CN211946276U - Equipment for recovering solid sulfur containing impurities on ground - Google Patents

Abstract

The utility model relates to a sulphur recovery technical field, concretely relates to fall to ground and contain impurity solid sulphur recovery plant. The equipment for recovering the solid sulfur containing impurities on the ground comprises: the inner cavity of the recovery container is used for accommodating the solid sulfur containing impurities falling to the ground; the heating cavity is arranged around the inner cavity of the recovery container and is used for heating the fallen solid sulfur containing impurities and liquefying the sulfur in the fallen solid sulfur, and the heating cavity is used for introducing heating fluid and/or a heating element is arranged in the heating cavity; the filter screen is detachably arranged in the inner cavity of the recovery container and is used for supporting and placing the solid sulfur containing impurities on the ground so as to allow the liquid sulfur to pass through and filter the impurities when the sulfur is liquefied; the liquid sulfur collecting structure is located below the filter screen, the heated liquid sulfur is filtered by the filter screen, impurities are filtered, and the liquid sulfur is collected by the liquid sulfur collecting structure to be clean and recycled.

Description

Equipment for recovering solid sulfur containing impurities on ground

Technical Field

The utility model relates to a sulphur recovery technical field, concretely relates to fall to ground and contain impurity solid sulphur recovery plant.

Background

At present, the production of sulfur comprises the processes of liquid sulfur production, liquid sulfur storage, liquid sulfur transportation, sulfur particle storage, sulfur particle transportation and the like.

In the processes of liquid sulfur production, liquid sulfur storage and liquid sulfur transportation, leakage of liquid sulfur occurs due to equipment sealing problems, and the leaked liquid sulfur falls on the ground to be solidified and forms a solid mixture with impurities on the ground, wherein the solid mixture takes sulfur as a main component.

A large amount of sulfur powder is also present on the ground around the sulfur silo storing the sulfur granules, and the sulfur powder forms a solid mixture with sulfur as a main component together with impurities such as dust, sand, stones and the like on the ground.

In addition, when the sulfur production equipment is overhauled and disassembled, and sulfur in the disassembled sulfur equipment and the pipeline is cleaned, corrosive substances on the inner walls of the equipment and the pipeline and the sulfur form a solid mixture taking the sulfur as a main component.

The solid mixture mainly containing sulfur is called as the solid sulfur containing impurities on the ground, and the solid sulfur containing impurities on the ground cannot be directly recovered due to more impurities, does not meet the index of a sulfur product and cannot be sold.

The solid sulfur containing impurities falling to the ground belongs to dangerous waste according to the safety and environmental protection management regulations, needs to be transported to a designated place for centralized treatment, and has high treatment cost. If the solid sulfur containing impurities falling to the ground is discarded at will, resource waste and environmental pollution are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fall to ground and contain impurity solid sulphur recovery plant to the processing cost who falls to the ground among the solution prior art and contain impurity solid sulphur existence is high, polluted environment and the extravagant problem of resource.

The utility model discloses a fall to ground and contain impurity solid sulphur recovery plant adopts following technical scheme:

the equipment for recovering solid sulfur containing impurities on the ground comprises:

the inner cavity of the recovery container is used for accommodating the solid sulfur containing impurities falling to the ground;

the heating cavity is arranged around the inner cavity of the recovery container and is used for heating the fallen solid sulfur containing impurities and liquefying the sulfur in the fallen solid sulfur, and the heating cavity is used for introducing heating fluid and/or a heating element is arranged in the heating cavity;

the filter screen is detachably arranged in the inner cavity of the recovery container and is used for supporting and placing the solid sulfur containing impurities on the ground so as to allow the liquid sulfur to pass through and filter the impurities when the sulfur is liquefied;

the liquid sulfur collecting structure is positioned below the filter screen, and the liquid sulfur recovery structure adopts one of the following modes:

(1) the bottom of the recovery container is provided with a liquid sulfur outlet which is used for connecting a sulfur recovery pipeline to recover sulfur;

(2) the bottom of the recovery container is provided with a liquid sulfur collecting cavity for collecting sulfur in a centralized way.

The utility model has the advantages that: when the solid sulfur containing impurities falling to the ground is recycled, the solid sulfur containing impurities falling to the ground is supported and placed on a filter screen; then, heating fluid and/or heating element through heating cavity to falling to the ground and including impurity solid sulphur to heat to make sulphur liquefaction wherein, liquid sulphur filters the back through the filter screen, and the filtration impurity passes through liquid sulphur and collects clean liquid sulphur through liquid sulphur collection structure, realizes retrieving, has solved among the prior art and has fallen to the ground and to contain the problem that the processing cost is high, polluted environment and resource waste that impurity solid sulphur exists.

According to the preferable technical scheme, the liquid sulfur outlet is formed in the bottom of the recovery container, the heating cavity is used for introducing heating fluid, the upper portion of the heating cavity is provided with a fluid inlet, the lower portion of the heating cavity is provided with a fluid outlet, the bottom of the inner cavity of the recovery container is provided with a heating structure, and the heating structure is located below the filter screen and used for heating the liquid sulfur passing through the filter screen.

Has the advantages that: heating fluid gets into from the fluid import on heating cavity upper portion, it heats to fall to the ground to contain impurity solid sulphur, later flow from the fluid export of heating cavity lower part, flow to the lower part in-process from heating cavity upper portion at heating fluid, it can absorb heating fluid's partial heat to fall to the ground to contain impurity solid sulphur, heating fluid itself also has certain calorific loss, through setting up heating structure in the filter screen lower part, can guarantee that the liquid sulphur through the filter screen keeps in certain temperature range, make liquid sulphur have good mobility, conveniently discharge to the recovery vessel through the liquid sulphur export.

As a preferred technical solution, the heating structure is a heating coil.

Has the advantages that: the heating fluid in the heating coil and the heating fluid in the heating cavity can be from the same source, so that the arrangement of the heating structure is convenient.

As a preferable technical scheme, the heating cavity is used for introducing heating fluid, a baffle plate is arranged in the heating cavity, and the baffle plate extends spirally along the up-down direction or a plurality of baffle plates are sequentially arranged at intervals along the up-down direction to form a baffling channel.

Has the advantages that: can guide heating fluid laminar flow through heating cavity everywhere through baffling passageway, realize falling to the ground and contain impurity solid sulphur's abundant heating, guarantee the heating effect.

As a preferred technical scheme, the number of the filter screens is at least two, the filter screens are arranged at intervals along the vertical direction, and the mesh number of the upper filter screen is smaller than that of the lower filter screen in the two adjacent filter screens.

Has the advantages that: through the filter screen more than two layers, realize falling to the ground and contain the hierarchical filtration of impurity solid sulphur, reach the purpose that improves the filter effect.

As the preferred technical scheme, the recovery container includes staving and upper cover, the upper cover closing cap is at the upper end opening part of staving, it still includes the filter screen support frame to fall to the ground to contain impurity solid sulphur recovery plant, the filter screen is fixed on the filter screen support frame, the filter screen support frame supports and places in the staving, the filter screen support frame is taken out, is put into through staving upper end opening to realize the filter screen with the removable assembly of recovery container.

Has the advantages that: the filter screen is fixed on the filter screen support frame, through with the filter screen support frame from staving upper end opening take out, put into realize promptly the filter screen with the removable assembly of recovery container, the installation and the dismantlement of filter screen are convenient, and then conveniently retrieve falling to the ground through this equipment and contain impurity solid sulphur.

According to a preferable technical scheme, the recovery container comprises a barrel body and an upper cover, the upper cover covers an opening at the upper end of the barrel body, the barrel body comprises an inner barrel body and an outer barrel body, and the inner barrel body and the outer barrel body are arranged at intervals to form the heating cavity.

Has the advantages that: the heating cavity can be formed by the interval between the inner barrel body and the outer barrel body, the structure of the recovery container is simple, and the design and the processing are convenient.

Preferably, an exhaust pipe is provided at an upper portion of the recovery container to discharge the exhaust gas in the recovery container to an exhaust gas treatment device.

Has the advantages that: exhaust gas is discharged to the exhaust gas treatment device through the exhaust pipe, and the direct discharge of the exhaust gas generated in the process of recovering sulfur to the atmosphere and the environmental pollution can be avoided.

As a preferred technical scheme, the recovery container comprises a barrel body and an upper cover, the upper cover is assembled at an opening at the upper end of the barrel body in a sealing mode, and the exhaust pipe is arranged on the upper cover.

Has the advantages that: when the exhaust pipe is fixedly installed, the exhaust pipe is directly fixed on the upper cover, and the upper cover is small in overall size and light in weight, so that the exhaust pipe is conveniently and fixedly installed on the upper cover.

According to the preferable technical scheme, a screw is fixed at the bottom of the barrel body, the upper end of the screw extends out of the barrel body, and a screw hole is formed in the upper cover so that the screw can penetrate through the screw and can be screwed on the screw through a nut to fix the upper cover and the barrel body.

Has the advantages that: the upper cover is stably assembled at the opening at the upper end of the barrel body, so that the problem that the upper cover is opened at a high temperature in the sulfur recovery process to generate waste gas to leak and pollute the environment is avoided.

Drawings

FIG. 1 is a schematic structural view of a falling impurity-containing solid sulfur recovery apparatus according toembodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a falling impurity-containing solid sulfur recovery apparatus according toembodiment 2 of the present invention;

FIG. 3 is a schematic structural view of a falling impurity-containing solid sulfur recovery apparatus according to anembodiment 3 of the present invention;

FIG. 4 is a schematic structural view of theembodiment 4 of the floor impurity-containing solid sulfur recovery apparatus of the present invention.

In the figure: 1-barrel body;

101-an inner barrel body;

102-an outer barrel body;

103-heating chamber inlet duct;

104-heating chamber outlet conduit;

105-coil inlet piping;

106-coil outlet piping;

107-a sulphur recovery pipeline;

108-an exhaust pipe;

109-screw;

110-a baffle;

111-upper cover;

112-a heating coil;

113-heating the chamber;

114-a nut;

115-liquid sulfur outlet valve;

116-a sealing gasket;

2-a filter;

201-upper filter screen;

202-lower filter screen;

203-a filter screen support frame;

204-a handle;

205-a separator;

206-upper baffle table;

207-lower baffle table;

208-a filter screen;

3-low pressure steam pipe network;

4-condensation water pipe network;

5-liquid sulfur pool;

6-an exhaust gas treatment device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 1:

as shown in figure 1, the floor type impurity-containing solid sulfur recovery equipment comprises a recovery container, wherein the recovery container comprises abarrel body 1 and anupper cover 111, theupper cover 111 is hermetically assembled at an opening at the upper end of thebarrel body 1, and an inner cavity used for accommodating the floor type impurity-containing solid sulfur is formed by theupper cover 111 and thebarrel body 1. Thebarrel body 1 specifically comprises aninner barrel body 101 and anouter barrel body 102, wherein the outer diameter of theinner barrel body 101 is smaller than the inner diameter of theouter barrel body 102, theinner barrel body 101 is arranged in theouter barrel body 102 and is arranged at intervals with theouter barrel body 102, and a barrel-shapedheating cavity 113 arranged around the inner cavity of the recovery container is formed between theinner barrel body 101 and theouter barrel body 102. The inner cavity of theinner barrel body 101 is the inner cavity of the recovery container, and the inner cavity is used for accommodating solid sulfur containing impurities falling to the ground.

Theheating cavity 113 is used for low-pressure steam to pass through, the low-pressure steam constitutes heating fluid introduced into theheating cavity 113 in the embodiment, and the falling impurity-containing solid sulfur placed in thebarrel body 1 is heated through the low-pressure steam so as to liquefy the sulfur. Specifically, as shown in fig. 1, the upper portion of theouter barrel 102 is provided with a fluid inlet, the lower portion of the outer barrel is provided with a fluid outlet, theheating cavity 113 is internally provided with a plurality ofbaffle plates 110, thebaffle plates 110 are arranged in a plurality, eachbaffle plate 110 is sequentially arranged at intervals along the up-down direction to form a baffle channel, and low-pressure steam entering from the fluid inlet is enabled to go down from top to bottom through the baffle channels, so that the heating effect on solid sulfur containing impurities on the ground is ensured.

As shown in figure 1, the equipment for recovering solid sulfur containing impurities on the ground also comprises a filter screen, wherein the filter screen is detachably arranged in the inner cavity of theinner barrel body 101 and is used for supporting the solid sulfur containing impurities on the ground. After the solid sulfur containing impurities falling to the ground is heated and liquefied, the impurities of the solid sulfur containing impurities falling to the ground are filtered and removed by the filter screen, so that the clean liquid sulfur passes through the filter screen, and the separation of the impurities of the solid sulfur containing impurities falling to the ground and the clean sulfur is realized.

For the convenience is retrieved liquid sulphur, fall to the ground and contain impurity solid sulphur recovery plant still including setting up the liquid sulphur recovery structure in the filter screen below, as shown in fig. 1, the liquid sulphur recovery structure in this embodiment is connected withsulphur recovery pipeline 107 including setting up the liquid sulphur export in staving 1 bottom. When the sulfur recovery device is used specifically, thesulfur recovery pipeline 107 is communicated with theliquid sulfur pool 5, a liquidsulfur outlet valve 115 is arranged between thesulfur recovery pipeline 107 and theliquid sulfur pool 5, and the liquid sulfur flowing out from the liquid sulfur outlet is directly discharged to theliquid sulfur pool 5 through thesulfur recovery pipeline 107 and is recovered.

Considering that in the process of flowing low-pressure steam from top to bottom, part of heat of the low-pressure steam is absorbed by the solid sulfur containing impurities falling to the ground, and part of the heat is lost, in order to ensure that the liquid sulfur passing through the filter screen has good fluidity, as shown in fig. 1, a heating structure is further arranged at the bottom of thebarrel body 1, the heating structure in this embodiment is aheating coil 112, and theheating coil 112 is specifically a serpentine coil. The heating fluid in theheating coil 112 is the same as the heating fluid in theheating chamber 113, and is low-pressure steam.

As shown in fig. 1, a heatingchamber inlet conduit 103 is fixed at the fluid inlet and a heatingchamber outlet conduit 104 is fixed at the fluid outlet; acoil inlet pipeline 105 is fixed at the inlet of theheating coil 112, acoil outlet pipeline 106 is fixed at the outlet of theheating coil 112, the heatingcavity inlet pipeline 103 and thecoil inlet pipeline 105 are both connected with a low-pressuresteam pipe network 3 of a sulfur production site, and the heatingcavity outlet pipeline 104 and thecoil outlet pipeline 106 are both connected with a condensedwater pipe network 4 of the sulfur production site. Meanwhile, valves are arranged between the heatingcavity inlet pipeline 103 and the low-pressuresteam pipe network 3, between thecoil inlet pipeline 105 and the low-pressuresteam pipe network 3, between the heatingcavity outlet pipeline 104 and the condensedwater pipe network 4, and between thecoil outlet pipeline 106 and the condensedwater pipe network 4.

When the solid sulfur containing impurities on the ground needs to be heated, the valves arranged between theheating cavity 113 and the low-pressuresteam pipe network 3, between theheating cavity 113 and the condensedwater pipe network 4, between theheating coil 112 and the low-pressuresteam pipe network 3 and between theheating coil 112 and the condensedwater pipe network 4 are opened. One path of low-pressure steam flows into theheating cavity 113 from the heatingcavity inlet pipeline 103, and after the solid sulfur containing impurities falls to the ground through thebaffle plate 110 layer by layer, condensed water is formed and is discharged from the heatingcavity outlet pipeline 104; the other path of low pressure steam flows into theheating coil 112 from thecoil inlet pipe 105, and forms condensed water after heating the liquid sulfur, and the condensed water is discharged from thecoil outlet pipe 106. The low-pressure steam is preferably saturated steam at 0.4 MPa.

It should be noted that eachbaffle plate 110 is a sector annular plate with a major arc structure, two opposite sides of the circumference of the sector annular plate form a notch of thebaffle plate 110, and the notches of twoadjacent baffle plates 110 are staggered from each other, so that the low-pressure steam falling through the notch of theupper baffle plate 110 cannot directly fall from the notch of thelower baffle plate 110, but horizontally flows along thelower baffle plate 110, thereby forming a baffling guiding effect, ensuring that the low-pressure steam flows from top to bottom layer by layer, and passes through each part of theheating cavity 113, thereby ensuring the heating effect. Thebaffle 110 is a structure in the prior art and will not be described in detail herein. Thebaffles 110 may be uniformly spaced along thebarrel 1 in the vertical direction, and the vertical distance between any twoadjacent baffles 110 may be different according to the requirement.

As shown in fig. 1, two filter screens are arranged at intervals in the up-down direction, one is anupper filter screen 201 arranged at the upper part, and the other is alower filter screen 202 arranged at the lower part, wherein the mesh number of theupper filter screen 201 is 40 meshes, and the mesh number of thelower filter screen 202 is 80. During the specific use, fall to the ground and contain impurity solid sulphur and place atlast filter screen 201, wait to fall to the ground and contain impurity solid sulphur and be heated the liquefaction back, filter earlier great solid impurity throughlast filter screen 201, then filter tiny solid impurity throughlower filter screen 202, liquid sulphur after the two-stage filtration can reach liquid sulphur product index requirement, later clean liquid sulphur flows to 1 bottoms of staving and discharges throughsulphur recovery pipeline 107 to be retrieved. The solid sulfur containing impurities falling to the ground is filtered in two layers, so that the purpose of graded filtering is realized, and the filtering effect is favorably improved.

As shown in fig. 1, theupper filter screen 201 and thelower filter screen 202 are respectively fixed on twopartition boards 205, and the twopartition boards 205 are fixed on the filterscreen support frame 203 along the up-down direction, so that theupper filter screen 201, thelower filter screen 202, the twopartition boards 205 and the filterscreen support frame 203 form a filter whole, in addition, twohandles 204 are symmetrically welded and fixed on the upper portion of the filterscreen support frame 203, and thehandles 204 and the filter whole form thefilter 2. Thehandle 204 facilitates the taking and placing of thefilter 2 in thebarrel 1.

As shown in fig. 1, the filterscreen support frame 203 comprises three support rods arranged at intervals, and when the filter screen is installed, the three support rods of the filterscreen support frame 203 are directly contacted with the bottom of theinner barrel 101, and thefilter 2 is supported and placed in theinner barrel 101, i.e., the installation of the filter screen in thebarrel 1 is realized. After the recovery treatment of the solid sulfur containing impurities falling to the ground is completed, theupper cover 111 is opened, and thefilter 2 is taken out from thebarrel body 1, namely, the filter screen is detached from thebarrel body 1.

As shown in FIG. 1, in order to stably fix thetub body 1 and theupper cover 111, ascrew 109 is fixed to the bottom of theinner tub body 101, the upper end of thescrew 109 extends out of thetub body 1, and ascrew hole 109 is formed in theupper cover 111. When fixing thetub 1 and theupper lid 111, theupper lid 111 is passed through thescrew 109, and then anut 114 fitted to thescrew 109 is screwed onto thescrew 109, that is, theupper lid 111 is press-fixed to thetub 1. In order to ensure the sealing performance between thebarrel body 1 and theupper cover 111, a sealinggasket 116 is further clamped between thebarrel body 1 and theupper cover 111, and theupper cover 111 is in sealing fit with thebarrel body 1 through the sealinggasket 116. In addition, the outer diameter of theupper cover 111 and the outer diameter of theouter tub 102 are the same in this embodiment.

As shown in fig. 1, theupper cover 111 is further provided with anexhaust pipe 108, theexhaust pipe 108 is communicated with the exhaustgas treatment device 6, in the process of recovering sulfur, after sulfur containing impurities falls to the ground and is heated, the generated exhaust gas is discharged to the exhaustgas treatment device 6 through theexhaust pipe 108, the generated exhaust gas is discharged after being combusted in the tail gas incinerator through the exhaustgas treatment device 6, and the whole treatment process is performed in a closed inner cavity formed by thebarrel body 1 and theupper cover 111 in an enclosing mode, so that the environment pollution is avoided.

The utility model discloses a fall to ground and contain impurity solid sulphur recovery plant installation:

the floor impurity-containing solid sulfur recovery device of the utility model is fixed on the sulfur production site, and the heatingcavity inlet pipeline 103 and thecoil inlet pipeline 105 are connected with the low-pressuresteam pipe network 3 on site; the heatingchamber outlet pipe 104 and thecoil outlet pipe 106 are connected to the on-site condensationwater pipe network 4; the liquid sulfur outlet pipeline is connected with theliquid sulfur pool 5 on site, and the flow of the liquid sulfur is controlled by the liquidsulfur outlet valve 115, so that the installation of the solid sulfur recovery equipment containing impurities on the ground on the sulfur production site is completed.

The utility model discloses a fall to ground and contain impurity solid sulphur recovery plant to retrieve the process flow of sulphur:

1. theupper cover 111 is opened, thefilter 2 is placed inside theinner barrel 101 through thescrew 109, so that the three support rods of the filterscreen support frame 203 are in contact with the bottom surface of theinner barrel 101, and the filter screen is mounted in thebarrel 1.

2. The collected solid sulfur containing impurities on the ground to be treated is placed on anupper filter screen 201 of thefilter 2.

3. Theupper cover 111 is inserted through thescrew 109 and fitted over the upper opening of thetub 1, and the recovery vessel is sealed by pressing theupper cover 111 and the sealingwasher 116 with thenut 114.

4. Theexhaust pipe 108 is connected to the exhaustgas treatment device 6.

5. The low-pressure steam in the low-pressuresteam pipe network 3 is introduced into theheating cavity 113 through the heatingcavity inlet pipeline 103, and the condensed water after heat exchange is merged into the condensedwater pipe network 4 through the heatingcavity outlet pipeline 104.

6. The low-pressure steam in the low-pressuresteam pipe network 3 is led into theheating coil 112 through thecoil inlet pipe 105, and the condensed water after heat exchange is merged into the condensedwater pipe network 4 through thecoil outlet pipe 106.

7. The liquid sulfur after melting, filtering and separating enters theliquid sulfur pool 5 through asulfur recovery pipeline 107, and the flow of the liquid sulfur is controlled through a liquidsulfur outlet valve 115.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 2:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: the filter screen in theabove embodiment 1 is provided with two, and two filter screens are arranged along the up-down direction at intervals to realize the two-stage filtration of the liquid sulfur. As shown in fig. 2, in this embodiment, only onefilter screen 208 is provided, and at this time, only one stage of filtration is performed on the liquid sulfur, and in order to ensure that the filtered liquid sulfur meets the requirement of the liquid sulfur product, the mesh number of the filter screen may be the same as or greater than that of the lower filter screen inembodiment 1.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 3:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: the two filter screens in theembodiment 1 are respectively fixed on the partition board, and the partition board is fixed on the filter screen support frame, so that the two filter screens, the filter screen support frame and the partition board form a filter. As shown in fig. 3, in the present embodiment, anupper baffle 206 and alower baffle 207 are fixed inside theinner barrel 101 along the vertical direction, thelower filter 202 is placed on thelower baffle 207, and thelower filter 202 is installed inside thebarrel 1 by the baffle action of thelower baffle 207 on thelower filter 202; theupper filter screen 201 is placed on theupper baffle 206, and theupper filter screen 201 is installed in thebarrel 1 by the stopping action of theupper baffle 206 on theupper filter screen 202.

It should be noted that, theupper filter screen 201 and thelower filter screen 202 both have certain rigidity, and can be independently supported on the corresponding baffle table, and theupper filter screen 201 can also support a certain weight of solid sulfur containing impurities falling to the ground, so as to ensure that the solid sulfur containing impurities falling to the ground cannot deform and fall off when a certain weight of solid sulfur containing impurities falling to the ground is placed on theupper filter screen 201.

If theupper filter screen 201 and thelower filter screen 202 are not enough to be supported on the corresponding baffle table independently, theupper filter screen 201 and thelower filter screen 202 can be respectively fixed on the partition plate, and theupper filter screen 201 and thelower filter screen 202 are supported on the corresponding baffle table through the partition plate. Of course, in other embodiments, the upper blocking table and the lower blocking table may be respectively provided with a threaded hole, and meanwhile, the upper filter screen and the lower filter screen are provided with corresponding mounting holes, and the upper filter screen and the upper blocking table, and the lower filter screen and the lower blocking table are fixed by bolts passing through the corresponding mounting holes and threaded holes.

The upper baffle table 206 and the lower baffle table 207 can be annular baffle tables arranged along the circumferential direction of the inner barrel body; or a plurality of upper baffle tables 206 are arranged at intervals along the circumferential direction of theinner barrel body 102, and each upper baffle table 206 blocks theupper filter screen 201 together; or, a plurality oflower retaining platforms 207 are arranged at intervals along the circumferential direction of theinner barrel 102, and eachlower retaining platform 207 retains thelower filter screen 202.

Compared with theembodiment 1, when the filter screens are installed and detached, the two filter screens need to be installed and detached separately, and the installation and detachment of the filter screens are not as convenient as theembodiment 1. Specifically, the processes of mounting and dismounting theupper filter screen 201 and thelower filter screen 201 are as follows: when thelower filter screen 202 is installed, the lower filter screen is placed on the lower baffle table 207 in an inclined manner, and when theupper filter screen 201 is installed, theupper filter screen 201 is directly placed on the upper baffle table 206; when detaching theupper filter 201, theupper filter 201 may be directly taken out by holding thehandle 204 with a hand, and when detaching thelower filter 201, thelower filter 201 may be taken out from thetub 1 by inclining thelower filter 201 at a certain angle.

When staving 1 has certain degree of depth, directly is difficult to get through the staff and putsfilter screen 202 down, can set up two at least handles onfilter screen 202 down by the symmetry, specifically when carrying out the installation and the dismantlement offilter screen 202 down, through the lever hook handle offilter screen 202 down that has the couple, carry out the installation and the dismantlement offilter screen 202 down. It should be noted that, if theupper baffle 206 is an annular baffle, an avoidance port through which the handle of thelower filter screen 202 passes should be reserved on theupper baffle 206; if theupper baffle 206 is spaced along the circumference of theinner barrel 102, the distance between two adjacentupper baffles 206 is sufficient for the handle of thelower filter screen 202 to pass through.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 4:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: the filter screen support frame in theabove embodiment 1 is welded and fixed with a handle. As shown in fig. 4, in this embodiment, the filternet support frame 203 is not provided with a handle. At this time, theupper filter screen 201 is directly grasped and held, and the two filter screens are mounted and dismounted in thebarrel body 1.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 5:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: the liquid sulfur recovery structure ofembodiment 1 includes a liquid sulfur outlet, and the liquid sulfur outlet is connected to a sulfur recovery pipeline to recover sulfur. In this embodiment, staving bottom no longer sets up liquid sulphur export, and cavity is collected including the liquid sulphur that sets up staving bottom to liquid sulphur recovery structure, collects sulphur through collecting the cavity.

It should be noted that the liquid sulfur collecting cavity can be formed by an inner barrel part positioned below the filter screen, at the moment, the liquid sulfur is stored in the liquid sulfur collecting cavity, and the filter is taken out after the solid sulfur containing impurities falling to the ground is completely liquefied; then pouring out the liquid sulfur; or, after the solid sulfur containing impurities falling to the ground is completely liquefied and cooled, taking out the filter; then, the cooled and solidified sulfur is scraped off from the inner barrel body through a corresponding tool and is poured out.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 6:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: heating fluid is introduced into the heating cavity in theembodiment 1, and solid sulfur containing impurities falling to the ground is heated, so that the sulfur in the solid sulfur is liquefied. In this embodiment, heating element is arranged in the heating cavity, and the solid sulfur containing impurities falling to the ground is heated by the heating element, so that the sulfur therein is liquefied. The heating element can be a resistance wire wound outside the inner barrel body or other electric heating structures.

Of course, in other embodiments, the heating element and the heating fluid may be both provided in the heating cavity as required, so as to further ensure the heating effect.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 7:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: the inner cavity bottom of the recovery container in theembodiment 1 is provided with the heating coil, and the heating coil is used as a heating structure to heat the liquid sulfur passing through the filter screen. In this embodiment, if everywhere temperature is all higher in the heating cavity for the liquid sulphur of staving bottom can not solidify, at this moment, also can no longer retrieve the container bottom and set up heating structure. Of course, in other embodiments, the heating coil ofembodiment 1 above may be replaced by an electric heating element.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 8:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: the heating chamber inembodiment 1 described above is provided with a baffle plate. In this embodiment, the heating cavity is no longer provided with a baffle plate inside, and the heating fluid directly enters the heating cavity from the heating cavity inlet pipeline, and after the solid sulfur containing impurities falling to the ground is heated, the condensed water is discharged from the heating cavity outlet pipeline.

Of course, in other embodiments, the baffle plate is a baffle plate extending spirally in the up-down direction, and a baffle channel is formed by the baffle plate to guide the heating fluid to flow through the heating cavity layer by layer in the up-down direction.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 9:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: the recycling container in theembodiment 1 includes a barrel body and an upper cover, and the barrel body and the upper cover are fixedly enclosed to form an inner cavity of the recycling container. In this embodiment, retrieve the container and include the casing, be equipped with operation window on the lateral wall of casing, operation window department is equipped with the shrouding for shutoff operation window, casing and shrouding enclose into the inner chamber of retrieving the container.

A heating water jacket is wound on the periphery of the shell, and low-pressure steam is introduced into the heating water jacket to heat the inner cavity of the recovery container.

At the moment, when the device is used for recovering solid sulfur containing impurities on the ground, the heating water jacket is firstly detached from the shell, the sealing plate is opened, and the filter screen is arranged in the inner cavity of the recovery container; then, placing the collected solid sulfur containing impurities on a filter screen, plugging and fixing a sealing plate at an operation window, and enabling a recovery container to form a closed space; and then, a heating water jacket is arranged outside the shell, so that normal heating is ensured. When the filter screen needs to be taken out, the heating water jacket is firstly detached from the shell, then the sealing plate is opened, and the filter screen is taken out.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 10:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: in theembodiment 1, the exhaust pipe is provided at the upper part of the recovery container, and the exhaust pipe is fixed to the upper lid, and the exhaust gas in the recovery container is discharged to the exhaust gas treatment device through the exhaust pipe. In this embodiment, the exhaust pipe is not disposed at the upper portion of the recovery container, and the exhaust gas in the recovery container is directly exhausted to the outside of the recovery container, at this time, the recovery container should be entirely placed in a closed space, and the exhaust pipe communicated with the exhaust gas treatment device is disposed in the closed space at one time, so as to exhaust the exhaust gas exhausted from the recovery container to the exhaust gas treatment device.

Of course, in other embodiments, the exhaust pipe may be fixed to the wall of the barrel body.

The utility model discloses a fall to the ground and contain impurity solid sulphur recovery plant's embodiment 11:

compared with theabove embodiment 1, the ground impurity-containing solid sulfur recovery equipment in the embodiment mainly has the following differences: the barrel body and the upper cover in theabove embodiment 1 are fixed by the screw and the nut. In this embodiment, the staving ring flange is fixed with to the outside of outer staving, covers on and is equipped with the upper cover ring flange that corresponds with the staving ring flange, and the upper cover lid is adorned on the staving to through the bolt that passes staving ring flange and upper cover ring flange, realize the fixed of staving and upper cover.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a fall to ground and contain impurity solid sulphur recovery plant which characterized by includes:

the inner cavity of the recovery container is used for accommodating the solid sulfur containing impurities falling to the ground;

the heating cavity is arranged around the inner cavity of the recovery container and is used for heating the fallen solid sulfur containing impurities and liquefying the sulfur in the fallen solid sulfur, and the heating cavity is used for introducing heating fluid and/or a heating element is arranged in the heating cavity;

the filter screen is detachably arranged in the inner cavity of the recovery container and is used for supporting and placing the solid sulfur containing impurities on the ground so as to allow the liquid sulfur to pass through and filter the impurities when the sulfur is liquefied;

the liquid sulfur collecting structure is positioned below the filter screen, and the liquid sulfur recovery structure adopts one of the following modes:

(1) the bottom of the recovery container is provided with a liquid sulfur outlet which is used for connecting a sulfur recovery pipeline to recover sulfur;

(2) the bottom of the recovery container is provided with a liquid sulfur collecting cavity for collecting sulfur in a centralized way.

2. The floor impurity-containing solid sulfur recovery plant of claim 1, wherein said liquid sulfur outlet is provided at the bottom of said recovery vessel, said heating chamber is used for introducing heating fluid, the upper part of said heating chamber is provided with a fluid inlet, the lower part of said heating chamber is provided with a fluid outlet, the bottom of the inner cavity of said recovery vessel is provided with a heating structure, said heating structure is located below said filter screen and used for heating the liquid sulfur passing through said filter screen.

3. The floor contaminated solid sulfur recovery apparatus of claim 2, wherein said heating structure is a heating coil.

4. The floor impurity-containing solid sulfur recovery plant as claimed in claim 1, wherein the heating chamber is used for introducing a heating fluid, and the heating chamber is provided with a baffle plate, the baffle plate extends spirally in the up-down direction or the baffle plate is provided with a plurality of baffle plates in the up-down direction at intervals in sequence to form a baffle passage.

5. The floor solid sulfur recovery equipment with impurities according to any one of claims 1 to 4, wherein the number of the filter screens is at least two, each filter screen is arranged at intervals along the vertical direction, and the mesh number of the upper filter screen is smaller than that of the lower filter screen in the two adjacent filter screens.

6. The floor impurity-containing solid sulfur recovery device according to any one of claims 1 to 4, wherein the recovery container comprises a barrel body and an upper cover, the upper cover is covered on the upper end opening of the barrel body, the floor impurity-containing solid sulfur recovery device further comprises a filter screen support frame, the filter screen is fixed on the filter screen support frame, the filter screen support frame is supported and placed in the barrel body, and the filter screen support frame is taken out from and put into the barrel body through the upper end opening of the barrel body so as to realize the detachable assembly of the filter screen and the recovery container.

7. The floor type impurity-containing solid sulfur recovery device as claimed in any one of claims 1 to 4, wherein the recovery container comprises a barrel body and an upper cover, the upper cover is covered on the upper opening of the barrel body, the barrel body comprises an inner barrel body and an outer barrel body, and the inner barrel body and the outer barrel body are arranged at intervals to form the heating cavity.

8. The standard sulfur recovery apparatus according to any one of claims 1 to 4, wherein an exhaust pipe is provided at an upper part of the recovery vessel to discharge the exhaust gas in the recovery vessel to an exhaust gas treatment device.

9. The floor impurity-containing solid sulfur recovery apparatus as claimed in claim 8, wherein said recovery vessel comprises a body and an upper cover, said upper cover is sealingly fitted to an upper opening of said body, and said exhaust pipe is provided on said upper cover.

10. The floor impurity-containing solid sulfur recovery device as claimed in claim 9, wherein the bottom of the barrel is fixed with a screw, the upper end of the screw extends out of the barrel, and the upper cover is provided with a screw hole for the screw to pass through and to be screwed on the screw by a nut to fix the upper cover and the barrel.

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