CN113002046B - Spiral extrusion type solid-liquid separator - Google Patents

Abstract

The invention relates to the technical field of livestock breeding and discloses a spiral extrusion type solid-liquid separator which comprises a barrel, wherein a water filtering barrel is fixedly arranged in an inner cavity of the barrel, a packing auger is movably arranged in the middle of the inner cavity of the barrel, a baffle is movably connected at the left end of the barrel, the baffle is movably connected with a left end fixing frame of the barrel through a first spring, and a liquid storage cavity is arranged in the middle of the inner wall of the side surface of the barrel. According to the invention, by arranging the hydraulic sealing-assisting mechanism, after the solid-liquid separator works for a period of time, the internal temperature can be gradually increased, so that the liquid in the liquid storage cavity is pushed out outwards through the liquid guide groove under the action of thermal expansion, and the first spring is positioned at one side of the baffle and can contract inwards, so that the first spring can be unfolded and pushed to seal the opening only through the expansion of the liquid to push the baffle, and the problem that the sealing efficiency of the solid-liquid separator is influenced due to the fact that the first spring needs to be in a compressed state for a long time when the solid-liquid separator is in a working state is solved.

Description

Spiral extrusion type solid-liquid separator

Technical Field

The invention relates to the technical field of livestock breeding, in particular to a spiral extrusion type solid-liquid separator.

Background

In the breeding industry, a screw extrusion solid-liquid separator is often needed to convey and separate solid and liquid of the livestock excrement so as to carry out subsequent environmental protection treatment on the livestock excrement, and the dryness and humidity of the livestock excrement after water separation are crucial to the efficiency of the subsequent fermentation and degradation processes.

Traditional screw extrusion formula solid-liquid separation machine's baffle mechanism divide into two kinds of lever and spring, and wherein spring baffle mechanism when sealing for a long time, can appear elastic fatigue's phenomenon gradually, leads to baffle mechanism's the ability of sealing to weaken gradually, influences solid-liquid separation efficiency of solid-liquid separation machine, and after solid-liquid separation machine worked for a long time, because inside temperature can rise fast, lead to inside high temperature back, can make inside dry material take place to smoke or the phenomenon that catches fire, influence the working life of equipment.

Disclosure of Invention

Aiming at the defects of the existing solid-liquid separator in the use process in the background technology, the invention provides a spiral extrusion type solid-liquid separator which has the advantages of hydraulic sealing assistance and high-temperature pressure reduction and solves the technical problems in the background technology.

The invention provides the following technical scheme: a spiral extrusion type solid-liquid separator comprises a barrel body, wherein a water filtering barrel is fixedly arranged in an inner cavity of the barrel body, a packing auger is movably arranged in the middle of the inner cavity of the barrel body, a baffle is movably connected to the left end of the barrel body, the baffle is movably connected with a left end fixing frame of the barrel body through a first spring, a liquid storage cavity is arranged in the middle of the inner wall of the side surface of the barrel body, a liquid guide groove is arranged in the inner cavity of a left side fixing frame of the barrel body, one end of the liquid guide groove is communicated with the liquid storage cavity, an ejector block is movably sleeved in the inner cavity at the other end of the liquid guide groove, a base plate is movably sleeved at the joint of the first spring and the baffle, a separation plate is fixedly arranged in the inner cavity of the separation plate, an auxiliary plate positioned on the right side of the separation plate is movably sleeved in the inner cavity of the separation plate, a cavity for the auxiliary plate to move is formed in the right side of the auxiliary plate, the auxiliary plate is T-shaped, and the middle of the auxiliary plate penetrates through the separation plate, the auxiliary plate, the base plate and the separating plate are made of magnetic materials, the left side of the separating plate has the same magnetic pole with the right side of the base plate, and the right side of the separating plate has a different magnetic pole with the left side of the auxiliary plate.

Preferably, the middle part of the inner wall of the side face of the barrel is provided with a overheating cavity positioned on the right side of the liquid storage cavity, one end of the overheating cavity is movably connected with a corrugated pipe, one end of the corrugated pipe is movably connected with a sealing plate, the other end of the sealing plate is movably connected with the middle cavity inside the side face of the barrel through a second spring, the cavity where the second spring is positioned is communicated with the liquid storage cavity through an air hole, and the sealing plate seals the air hole in a staggered manner.

Preferably, the vent hole has a small diameter.

The invention has the following beneficial effects:

1. according to the invention, by arranging the hydraulic sealing-assisting mechanism, after the solid-liquid separator works for a period of time, the internal temperature can be gradually increased, so that the liquid in the liquid storage cavity is pushed out outwards through the liquid guide groove under the action of thermal expansion, and the first spring is positioned at one side of the baffle and can contract inwards, so that the first spring can be unfolded and pushed to seal the opening only through the expansion of the liquid to push the baffle, and the problem that the sealing efficiency of the solid-liquid separator is influenced due to the fact that the first spring needs to be in a compressed state for a long time when the solid-liquid separator is in a working state is solved.

2. According to the invention, the high-temperature pressure reducing mechanism is arranged, so that when the internal temperature of the solid-liquid separator is too high due to long-time work, the corrugated pipe is expanded under the action of large expansion of liquid in the overheating cavity due to heating, the sealing plate is pushed to move to overcome the pressure of the second spring, and the vent hole is opened, so that the liquid in the liquid storage cavity can flow into the cavity on the side surface of the sealing plate through the vent hole, the liquid pressure in the liquid storage cavity and the liquid guide groove is reduced, the sealing force of the baffle plate is reduced, the water content of solid materials at the outlet of the solid-liquid separator is increased by a small amount, the phenomenon of smoking or firing of the solid materials is avoided, and after the solid materials fall out of the outlet, a small amount of liquid in the solid materials can be automatically dried under the action of high-temperature drying, so that the solid-liquid separation efficiency of the solid-liquid separator is ensured.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the seal-assist structure of the present invention;

FIG. 3 is a schematic view of a structural hush panel of the present invention;

FIG. 4 is an enlarged view of the point A in FIG. 3 according to the present invention.

In the figure: 1. a barrel; 2. a water filtration cartridge; 3. a packing auger; 4. a baffle plate; 5. a first spring; 6. a liquid storage cavity; 7. a liquid guide groove; 8. a top block; 9. a base plate; 10. a separation plate; 11. an auxiliary plate; 12. a superheating cavity; 13. a bellows; 14. a sealing plate; 15. a vent hole; 16. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a spiral extrusion type solid-liquid separator comprises acylinder body 1, awater filtering cylinder 2 is fixedly installed in an inner cavity of thecylinder body 1, apacking auger 3 is movably installed in the middle of the inner cavity of thecylinder body 1, abaffle 4 is movably connected to the left end of thecylinder body 1, thebaffle 4 is movably connected to a left end fixing frame of thecylinder body 1 through afirst spring 5, aliquid storage cavity 6 is arranged in the middle of the inner wall of the side surface of thecylinder body 1, aliquid guide groove 7 is arranged in the inner cavity of the left side fixing frame of thecylinder body 1, one end of theliquid guide groove 7 is communicated with theliquid storage cavity 6, anejector block 8 is movably sleeved in the inner cavity of the other end of theliquid guide groove 7, abase plate 9 is movably sleeved at the joint of thefirst spring 5 and thebaffle 4, aseparation plate 10 is fixedly installed in the inner cavity of thebaffle 4, anauxiliary plate 11 positioned on the right side of theseparation plate 10 is movably sleeved in the inner cavity of theseparation plate 10, the right side of theauxiliary plate 11 is provided with a cavity for theauxiliary plate 11 to move, theauxiliary plate 11 is T-shaped, the middle part of theauxiliary plate 11 penetrates through theseparating plate 10, theauxiliary plate 11, thebase plate 9 and theseparating plate 10 are made of magnetic materials, the left side of theseparating plate 10 has the same magnetic pole with the right side of thebase plate 9, and the right side of theseparation plate 10 and the left side of theauxiliary plate 11 have different magnetic poles, the internal temperature of the solid-liquid separator rises after a period of time, the liquid in theliquid storage cavity 6 absorbs heat of the solid-liquid separator and expands the liquid, so that thetop block 8 is pushed out through theliquid guide groove 7, thereby supporting thebaffle 4 by the liquid pressure in theliquid guide groove 7 and theliquid storage cavity 6, reducing the problem that when thefirst spring 5 is sealed for a long time in the solid-liquid separator, the long-term compression causes elastic fatigue, so that the service life of thefirst spring 5 is impaired.

Wherein, when in normal state, theauxiliary plate 11 and theseparating plate 10 are attracted under the action of the magnetic poles of the adjacent surfaces being different, so that the two form a whole, the magnetism of theseparating plate 10 is enhanced, so that under the action of the magnetic poles of the adjacent surfaces of thebase plate 9 and theseparating plate 10 being the same, thebase plate 9 is supported through magnetic repulsion force, thebase plate 9 is positioned at the outermost end of thebaffle 4 and extends outwards from thetop block 8, theauxiliary plate 11 is pushed inwards, after theseparating plate 10 is separated from theauxiliary plate 11, under the action of the weakened magnetism of theseparating plate 10, the magnetic repulsion force of theseparating plate 10 is weakened, so that thebase plate 9 is weakened by the pressure, thebase plate 9 is moved towards the inner side of thebaffle 4, and when thetop block 8 is in the outwards extending state, the pressure borne by thefirst spring 5 is not enough to compress the first spring, thereby ensuring the service life of thefirst spring 5, so that it is compressed only at the initial start-up of the device.

Wherein, the middle part of the inner wall of the side of thebarrel 1 is provided with a overheatingcavity 12 positioned on the right side of theliquid storage cavity 6, one end of the overheatingcavity 12 is movably connected with acorrugated pipe 13, one end of thecorrugated pipe 13 is movably connected with asealing plate 14, the other end of thesealing plate 14 is movably connected with the middle cavity inside the side of thebarrel 1 through asecond spring 16, the cavity where thesecond spring 16 is positioned is communicated with theliquid storage cavity 6 through anair vent 15, and thesealing plate 14 seals theair vent 15 in a staggered manner, so that when the solid-liquid separator is used for a long time and the temperature of the discharge end of the solid-liquid separator is higher, under the action of large expansion of the heated liquid in the overheatingcavity 12, thecorrugated pipe 13 extends outwards and pushes thesealing plate 14 to overcome the elastic force of thesecond spring 16 to move, so that theair vent 15 sealed in the staggered manner is opened, and the liquid in theliquid storage cavity 6 can flow into the cavity where thesealing plate 14 is positioned through theair vent 15, the liquid pressure in theliquid guide groove 7 is reduced, so that the sealing pressure of the hydraulic sealing assisting mechanism is reduced, solid materials for solid-liquid separation can be discharged in a state that a small amount of moisture is contained in the solid materials, the solid materials can still be quickly dried under the action of high-temperature drying after being discharged, the drying efficiency of the solid-liquid separator is guaranteed, and the situation that the excessively dried materials smoke or catch fire due to the fact that the temperature of the solid-liquid separator is too high is avoided.

The hole diameter of thevent hole 15 is small, and thevent hole 15 with the small hole diameter is arranged, so that when the temperature of the inner cavity of the solid-liquid separator gradually rises, slow infusion can be performed through thevent hole 15, the slow reduction of the pressure of the hydraulic sealing assisting mechanism is ensured, the problem that materials subjected to solid-liquid separation treatment are discharged under the condition of large water content due to the fact that the pressure of the hydraulic sealing assisting mechanism is reduced too fast is solved, and the working quality of the solid-liquid separator is ensured.

The using method of the invention is as follows: stirring a liquid dung pool, injecting water properly to enable liquid dung in the liquid dung pool to reach the working condition of a liquid dung pump, starting a machine to enable the liquid dung pump to pump the liquid dung to be treated into an inner cavity of a solid-liquid separator, enabling the liquid dung to be treated to be continuously conveyed to the front end of anauger 3 under the action of driving theauger 3 to rotate by a motor, enabling the liquid dung to be treated at the front end of theauger 3 to be continuously extruded under the elastic action of afirst spring 5 on abaffle 4, enabling internal liquid to be extruded out and to be discharged outwards through a water filteringcylinder 2, and enabling thebaffle 4 to be pushed open by overcoming the elastic force of thefirst spring 5 when the pressure at the front end of theauger 3 reaches a certain degree, and enabling fixed materials which are subjected to solid-liquid separation to be separated from an opening of the solid-liquid separator;

hydraulic sealing assistance: after the solid-liquid separator works for a certain time, the temperature of the inner cavity of the solid-liquid separator gradually rises, so that liquid in theliquid storage cavity 6 is heated to expand, theejector block 8 is ejected outwards through theliquid guide groove 7, theejector block 8 pushes theauxiliary plate 11 inwards under the action of liquid pressure, theauxiliary plate 11 is separated from theseparation plate 10, the magnetism of theseparation plate 10 is weakened, the magnetic repulsion force of theseparation plate 10 on thebase plate 9 is weakened, thebase plate 9 can move inwards under the pressure of thebaffle 4, thefirst spring 5 can be extended, and thebaffle 4 can still keep large force to seal the opening of the solid-liquid separator under the action of the liquid pressure in theliquid guide groove 7 pushing theejector block 8 outwards;

high-temperature decompression: when the solid-liquid separator works for a long time to cause the internal temperature to be too high, the liquid in the overheatingcavity 12 is heated and greatly expanded, thecorrugated pipe 13 extends outwards, thesealing plate 14 is pushed to overcome the elastic force of thesecond spring 16 to move, the staggered and sealedvent hole 15 is opened, the expanded liquid in theliquid storage cavity 6 and theliquid guide groove 7 can flow into a cavity where thesealing plate 14 is located through thevent hole 15, the liquid pressure in theliquid storage cavity 6 and theliquid guide groove 7 is reduced, the pressure of thebaffle 4 on the discharge hole of the solid-liquid separator is reduced, and the solid liquid dung which completes the solid-liquid separation can be discharged when the solid liquid dung contains a small amount of water.

It is noted that, herein, 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

Translated fromChinese

1.一种螺旋挤压式固液分离机，包括筒体(1)，所述筒体(1)的内腔固定安装有滤水筒(2)，所述筒体(1)内腔的中部活动安装有绞龙(3)，其特征在于：所述筒体(1)的左端活动连接有挡板(4)，所述挡板(4)与筒体(1)左端固定架通过第一弹簧(5)活动连接，所述筒体(1)侧面内壁的中部设置有储液腔(6)，所述筒体(1)左侧固定架的内腔设置有导液槽(7)，且导液槽(7)的一端与储液腔(6)连通，所述导液槽(7)另一端的内腔活动套接有顶块(8)，所述第一弹簧(5)和挡板(4)连接处活动套接有底座板(9)，所述挡板(4)的内腔固定安装有分离板(10)，所述分离板(10)的内腔活动套接有位于分离板(10)右侧的辅助板(11)，所述辅助板(11)的右侧开设有供辅助板(11)活动的空腔，所述辅助板(11)呈“T字形”，且中部贯穿分离板(10)，所述辅助板(11)和底座板(9)以及分离板(10)均为磁性材料制成，所述分离板(10)的左侧与底座板(9)右侧磁极相同，且分离板(10)右侧与辅助板(11)左侧磁极相异，所述筒体(1)侧面内壁的中部设置由位于储液腔(6)右侧的过热腔(12)，所述过热腔(12)的一端活动连接有波纹管(13)，所述波纹管(13)的一端活动连接有封口板(14)，所述封口板(14)的另一端与筒体(1)侧面内部中部空腔通过第二弹簧(16)活动连接，所述第二弹簧(16)所处空腔与储液腔(6)通过通气孔(15)连通，且封口板(14)将通气孔(15)错位封闭。1. A screw extrusion type solid-liquid separator, comprising a cylinder body (1), a water filter cylinder (2) is fixedly installed in the inner cavity of the cylinder body (1), and the middle part of the inner cavity of the cylinder body (1) An auger (3) is movably installed, and is characterized in that a baffle plate (4) is movably connected to the left end of the cylinder body (1), and the baffle plate (4) and the left end fixing frame of the cylinder body (1) pass through the first The spring (5) is movably connected, the middle part of the inner wall of the side surface of the cylinder body (1) is provided with a liquid storage cavity (6), and the inner cavity of the left fixing frame of the cylinder body (1) is provided with a liquid guide groove (7), And one end of the liquid guiding groove (7) is communicated with the liquid storage cavity (6), the inner cavity of the other end of the liquid guiding groove (7) is movably sleeved with a top block (8), and the first spring (5) and A base plate (9) is movably sleeved at the joint of the baffle plate (4), a separation plate (10) is fixedly installed in the inner cavity of the baffle plate (4), and the inner cavity of the separation plate (10) is movably sleeved with a The auxiliary plate (11) located on the right side of the separation plate (10), the right side of the auxiliary plate (11) is provided with a cavity for the auxiliary plate (11) to move, and the auxiliary plate (11) is in a "T shape" , and the middle part runs through the separation plate (10), the auxiliary plate (11), the base plate (9) and the separation plate (10) are all made of magnetic materials, and the left side of the separation plate (10) is connected to the base plate ( 9) The magnetic poles on the right side are the same, and the magnetic poles on the right side of the separation plate (10) are different from those on the left side of the auxiliary plate (11). An overheating chamber (12), one end of the overheating chamber (12) is movably connected with a bellows (13), and one end of the bellows (13) is movably connected with a sealing plate (14), the sealing plate (14) The other end is movably connected to the inner middle cavity of the side surface of the cylinder body (1) through a second spring (16), and the cavity where the second spring (16) is located is communicated with the liquid storage cavity (6) through a ventilation hole (15), And the sealing plate (14) seals the vent hole (15) by dislocation.2.根据权利要求1所述的一种螺旋挤压式固液分离机，其特征在于：所述通气孔(15)的孔径较小。2 . The screw extrusion type solid-liquid separator according to claim 1 , characterized in that: the diameter of the vent hole ( 15 ) is small. 3 .

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