CN202762411U - Horizontal type water-cooling reactor - Google Patents

Abstract

The utility model discloses a horizontal type water-cooling reactor which comprises a barrel body and a shell cover. The reactor is arranged horizontally, a catalyst feed port and a catalyst discharge port are arranged at the top and bottom of the barrel body respectively, a gas inlet and a gas outlet are arranged on the side surface of the barrel body, a vertical gas distribution plate and a gas collection plate are arranged in the barrel body, the lower ends of the gas distribution plate and the gas collection plate are respectively connected with the lower portion of the barrel body, the upper ends of the gas distribution plate and the gas collection plate are respectively movably connected with the upper portion of the barrel body, then reaction space for horizontally and laterally circulating a reaction gas is formed, and a catalyst layer is arranged in the reaction space. According to the horizontal type water-cooling reactor, the reaction gas horizontally and radially penetrates through the catalyst layer in the horizontal type reactor, which is different from a traditional vertical and radial flowing mode of the reaction gas, heat exchange media inside and outside pipes perform cross-flow heat exchange, the heat transfer coefficient and efficiency are high, bed temperature difference is small, the catalyst is convenient to feed and discharge, and the horizontal type water-cooling reactor is particularly applicable to the artificial natural gas production peak-shaving processing.

Description

A kind of Horizontal water cooling reactor

Technical field

The utility model relates to the chemical reaction device field, relates in particular to that a kind of catalyst layer has a narrow range of temperature, Horizontal water cooling reactor simple in structure, easy to maintenance.

Background technology

For gas-solid phase exothermic catalytic reactions such as pressurization synthesizing methanol, methylamine, methyl ether, ammonia, hydro carbons, general carrying out along with course of reaction, the reaction heat of constantly emitting can make the catalyst layer temperature raise, and in order to improve the efficient of reactor, need to shift out to reduce reaction temperature to reaction heat.

In the existing industrial reactor, with wider a kind of be that the cold shock of multistage unstripped gas reduces reaction temperature, this reactor during because of the unstripped gas cold shock colleague at Jiangdu temperature of reactor also reduced reactant concentration, affected synthetic ratio.Another kind of as German Lurgi company is used for the synthetic shell and tube reactor (DE2123950) of methyl alcohol, the pipe apparatus with catalyst inside, and unstripped gas enters from the top air inlet and is distributed to each pipe, synthesizing methanol in the tactile coal seam in pipe, lateral inflow between pipe.This tower has a narrow range of temperature, but the catalyst filling coefficient is little, and investment is large.Reactor common in the above-mentioned prior art is vertical reactor, its catalyst layer is often up to tens meters, bed resistance is large during the reaction gas perpendicular flow, and for making the even gas distribution grid that arranges of distribution of gas generally be positioned at the above and below of beds, cause catalyst loading and unloading very inconvenient, because device diameters is subject to transport restrictions, can't further improve the ability that maximizes and produce simultaneously.

The utility model content

For the problems referred to above, the purpose of this utility model provide a kind of catalyst layer have a narrow range of temperature, simple in structure, easy to maintenance, can be with burden requirement flexible modulation reaction chamber size and the Horizontal water cooling that is easy to maximize reactor.

For achieving the above object, the utility model is taked following technical scheme:

A kind of Horizontal water cooling reactor, comprise cylindrical shell and end socket, described reactor water placing flat, described cylindrical shell top and bottom are respectively equipped with the catalyst loading port and catalyst unloads outlet, described cylindrical shell side is provided with air inlet and gas outlet, described inner barrel is provided with upright gas distribution grid and gas collection plate, described gas distribution grid is connected the lower end and is connected with the cylindrical shell bottom respectively with the gas collection plate, described gas distribution grid is connected the upper end and is connected with the cylindrical shell top movable respectively with the gas collection plate, described gas distribution grid, gas collection plate and cylindrical shell top, cylindrical shell consists of reaction compartment between the bottom, is catalyst layer in the described reaction compartment.

When the utility model Horizontal water cooling reactor is used as heat transfer reactor, be distributed with some cold pipes in the described catalyst layer, described end socket is provided with water inlet pipe and the outlet pipe that connects drum.

Described cold pipe extends distribution along cylindrical shell horizontal direction or vertical direction, described cold pipe is divided into many group cooler tube bundles, the two ends of every group of cooler tube bundle connect a bobbin carriage, one end bobbin carriage of two adjacent groups cooler tube bundle was communicated with communicating pipe, other end bobbin carriage is communicated with communicating pipe with another end bobbin carriage of organizing adjacent cooler tube bundle, make all cooler tube bundles form series connection, the entrance point header of the cooler tube bundle of series connection be connected with port of export header with end socket on water inlet be connected with delivery port.

As a kind of preferred, the reative cell that is divided at least two connections in the described reaction compartment with vertical baffle, be provided with a gas passage between described dividing plate and cylindrical shell, described reative cell is communicated with the cylindrical shell cavity by air dividing plate or gas collection plate, the mobile opposite direction of reaction gas that adjacent reaction is indoor, i.e. series connection before and after the adjacent reaction chamber.

Or be divided at least two disconnected reative cells with vertical baffle in the described reaction compartment, be equipped with air inlet and gas outlet on the corresponding cylindrical shell of each reative cell, the gas outlet of each reative cell is connected with the air inlet of adjacent reaction chamber, makes all reative cells front and back series connection.The Horizontal water cooling reactor of said structure can connect to form air cooling-water-cooled combined reactor with the air cooling heat transfer reactor, the air inlet of described Horizontal water cooling reactor is connected with the tube side outlet of air cooling heat transfer reactor, the gas outlet of described Horizontal water cooling reactor is connected with the outer catalyst layer import of the pipe of air cooling heat transfer reactor, is provided with bypass between the cold air import of described air cooling heat exchanger and cold air outlet.

In the horizontal reactor of minute two Room or multicell can only use wherein partially catalyzed agent low when producing load, for example will wherein during underload-gas inlet and outlet of chamber or multicell closes, only open Room import and export and get final product.When connecting with the air cooling reactor, also can import and export at the cold air of air cooling reactor and establish the cold air bypass, inactive air cooling reactor when treating underload, cold air directly advances the Horizontal water cooling reactor, when avoiding underload in the air cooling reactor reaction heat few, contain methanol reactor and in the air cooling reactor, lowered the temperature by cold air in the pipe and be condensate in catalyst layer and cause the catalyst efflorescence.

As a kind of preferred, the reative cell in the described reaction compartment is two, and the heat exchanger tubes in two reative cells are the U-shaped pipe, and the U-shaped cooler tube bundle reversed arrangement in two reative cells.As further preferred, the cooler tube bundle in described two reative cells is external drum byproduct steam all.

Described catalyst layer bottom also is provided with inactive ceramic ball layer, and described catalyst layer top also is provided with pressing plate.

The Horizontal water cooling reactor of minute two Room or multicell is particularly useful for the technique that Artificial Natural Gas is produced peak regulation in above-mentioned, described inside reactor is divided at least two disconnected reative cells with dividing plate, equal loading catalyst in each reative cell is selected wherein-individual or a plurality of reative cell serial or parallel connections participation reactions as required.

The utility model is owing to take above technical scheme, and it has the following advantages:

1. different to the type of flow from traditional reaction gas vertical diameter, reaction gas passes catalyst layer in the horizontal reactor with horizontal radial in the utility model, pipe internal-external heat exchanger medium cross-flow heat exchange, improve heat transfer coefficient and efficient, reduce the temperature difference, gas collection plate and gas distribution grid are installed in respectively the both sides of catalyst layer simultaneously, make catalyst loading and unloading convenient; Avoid catalyst and powder outside foot passage is taken tower out of.

2. the utility model reactor can divide two Room or multicell according to actual needs, according to producing load choice for use wherein a Room or multicell, adopt the mode of serial or parallel connection, regulating measure is flexible, makes the utility model reactor have the more widely scope of application than traditional reactor.

3. the utility model reactor is applicable to the peak regulation of coal Artificial Natural Gas engineering processed, when summer, reduced with natural gas in the city, improve methanol output, enable simultaneously two reative cells this moment, when increase methanol output decline for the Artificial Natural Gas consumption winter, only enable a reative cell and get final product, easy to adjust flexible.

Description of drawings

Fig. 1 is the structure top view of a kind of embodiment of the utility model Horizontal water cooling reactor, and its middle cooling pipe is straight tube.

Fig. 2 is A-A cross sectional view among Fig. 1.

Fig. 3 is the structure side view of Horizontal water cooling reactor shown in Figure 1.

Fig. 3 a, Fig. 3 b are two kinds of arranged direction schematic diagrames of bobbin carriage in the utility model Horizontal water cooling reactor.

Fig. 4 is the structure top view of a kind of embodiment of the utility model Horizontal water cooling reactor, and its middle cooling pipe is the U-shaped pipe.

Fig. 5 is the structure side view of Horizontal water cooling reactor shown in Figure 4.

Fig. 6 is the schematic diagram that Horizontal water cooling reactor shown in Figure 5 connects the drum byproduct steam.

Fig. 7 is the structure top view of a kind of embodiment of the utility model Horizontal water cooling reactor, and wherein reaction compartment is divided into the reative cell that two series connection are communicated with.

Fig. 8 is the structure top view of a kind of embodiment of the utility model Horizontal water cooling reactor, and wherein reaction compartment is divided into the reative cell that three series connection are communicated with.

Fig. 9 is the structure top view of a kind of embodiment of the utility model Horizontal water cooling reactor, and wherein reaction compartment is divided into the schematic diagram that two disconnected reative cell series connection are used.

Figure 10 is the schematic diagram that Horizontal water cooling reactor shown in Figure 9 is connected with the air cooling reactor and used.

Figure 11 is two reative cells of horizontal reactor shown in Figure 9 schematic diagrames that use in parallel.

Figure 12 is the structure side view of a kind of embodiment of the utility model Horizontal water cooling reactor, and wherein reaction compartment is divided into two disconnected reative cells, is the cold pipe of U-shaped in each reative cell, and two reative cells all connect drum.

Figure 13 is the structure top view of Horizontal water cooling reactor shown in Figure 12.

Description of reference numerals:

1-housing 2-catalyst loading port 3-catalyst unloads the cold pipe 8-of outlet 4-air inlet 5-gas outlet 6-reaction compartment 7-catalyst 9-gas distribution grid 10-gas collection plate 11-bobbin carriage 12-delivery port 13-water inlet 14-dividing plate 15-inert ball 16-pressing plate 17-drum 18-steam outlet pipe 100-communicatingpipe 101a-first header 101b-second header 102a-the3rd header 102b-tetrad case 103a-5-linkedcase 103b-the6th header 104a-the7th header 104b-the 8th header 1701-first drum 1702-the second drum

The specific embodiment

Be described in detail of the present utility model below in conjunction with drawings and Examples.

Embodiment 1

Such as Fig. 1, the utility model Horizontal water cooling reactor shown in 2, comprisecylindrical shell 1 and end socket, described reactor water placing flat, described cylindrical shell top and bottom are respectively equipped withcatalyst loading port 2 andcatalyst unloads outlet 3, described cylindrical shell side is provided withair inlet 4 andgas outlet 5, described inner barrel both sides are provided with uprightgas distribution grid 9 andgas collection plate 10, the lower end that describedgas distribution grid 9 is connected with the gas collection plate is connected with the cylindrical shell bottom respectively, the upper end that describedgas distribution grid 9 is connected with the gas collection plate is connected with the cylindrical shell top movable respectively, describedgas distribution grid 9,gas collection plate 10 and cylindrical shell top, consist of reaction compartment 6 between the cylindrical shell bottom, be catalyst layer in the described reaction compartment 6, the catalyst layer below is filled withCeramic Balls 5, the catalyst layer top is provided withpressing plate 16, and useprocedure center platen 16 can move down along with the catalyst reduction contraction.

As shown in Figure 3, described end socket is provided withwater inlet pipe 13 and theoutlet pipe 12 that connects drum, be distributed with some cold pipes 7 in the described catalyst layer, described cold pipe 7 extends distribution along the cylindrical shell horizontal direction, described cold pipe 7 is divided into many group cooler tube bundles, the two ends of every group of cooler tube bundle connect a bobbin carriage, and (for example the first tube bank two ends are thefirst bobbin carriage 101a and thesecond bobbin carriage 101b, the second tube bank two ends are the3rd bobbin carriage 102a and the4th bobbin carriage 102b, the 3rd tube bank two ends are the5th bobbin carriage 103a and the6th bobbin carriage 103b, the 4th tube bank two ends are the7th bobbin carriage 104a and the8th bobbin carriage 104b ... by that analogy), one end bobbin carriage of two adjacent groups cooler tube bundle was communicated with communicatingpipe 100, namely thesecond bobbin carriage 101b is communicated with communicatingpipe 100 with the4th bobbin carriage 102b, the3rd bobbin carriage 102a is communicated with the5th bobbin carriage 103a, the4th bobbin carriage 102b is communicated with the6th bobbin carriage 103b ... by that analogy, make all cooler tube bundles form series connection, the general import end bobbin carriage of the cooler tube bundle after the series connection be connected with general export end bobbin carriage with end socket onwater inlet 13 are connected with delivery port and are connected.The arranged direction of above-mentioned bobbin carriage can be arranged along the horizontal diameter direction in cylindrical shell cross section shown in Fig. 3 a, also can shown in Fig. 3 b, arrange along the perpendicular diameter direction in cylindrical shell cross section.

When above-mentioned reactor used, reaction gas entered fromair inlet 4, and evenly distributing throughgas distribution grid 9 enters catalyst layer, andsynthetic reaction 5 goes out reactor bygas collection plate 10 from the gas outlet under the catalyst layer catalytic action.

Embodiment 2

Horizontal water cooling reactor shown in Fig. 4,5, basic structure are withembodiment 1, and different places is that the cold pipe in the catalyst layer is the U-shaped pipe.This reactor isexternal drum 17 byproduct steams as shown in Figure 6.

Embodiment 3

Horizontal water cooling reactor as shown in Figure 7, basic structure is withembodiment 1, different places is to be divided into a dividingplate 14 in the described reaction compartment reative cell of two connections, three sides of described dividingplate 14 are connected with cylindrical shell respectively, leave gas passage between another side and cylindrical shell one side, described reative cell is communicated with gas passage bygas distribution grid 9 orgas collection plate 10, the mobile opposite direction of reaction gas that adjacent reaction is indoor, it is series connection (more clear for making reaction chamber structure, as not draw cold pipe among Fig. 7) before and after the adjacent reaction chamber.

Embodiment 4

Horizontal water cooling reactor as shown in Figure 8, structure are withembodiment 3, and different places is to be divided into two dividing plates in the described reaction compartment reative cell of three connections.

Embodiment 5

Horizontal water cooling reactor as shown in Figure 9, basic structure is withembodiment 1, different places are, described reaction compartment is divided into two disconnected reative cells with a dividingplate 14, four limits of described dividingplate 14 all are connected with cylindrical shell, be equipped withair inlet 4 andgas outlet 5 on the corresponding cylindrical shell of each reative cell, thegas outlet 5 of each reative cell is connected with theair inlet 4 of adjacent reaction chamber, makes all reative cells front and back series connection.As shown in figure 10, the Horizontal water cooling reactor of said structure can connect to form air cooling-water-cooled combined reactor with the air cooling heat transfer reactor, the air inlet of described Horizontal water cooling reactor is connected with the tube side outlet of air cooling heat transfer reactor, the gas outlet of described Horizontal water cooling reactor is connected with the outer catalyst layer import of the pipe of air cooling heat transfer reactor, is provided with bypass between the cold air import of described air cooling heat exchanger and cold air outlet.

Embodiment 6

Horizontal water cooling reactor as shown in figure 11, structure be withembodiment 5, but it adopts in use is air inlet in parallel, the mode of giving vent to anger.

Embodiment 7

Horizontal water cooling reactor as shown in figure 12, basic structure are withembodiment 1, and different places is that the reaction compartment inner-use clapboard is divided into two disconnected reative cells, are equipped with the cooler tube bundle that the U-shaped pipe forms in each reative cell, and the U-shaped pipe arragement direction of two Room is opposite.Two each external drum byproduct steams of reative cell.

The reactor of this version is used for producing 1000000 tons of methyl alcohol peak regulation coal Artificial Natural Gas engineerings processed per year, and when summer, reduced with natural gas in the city, the methyl alcohol load was namely produced 1200000 tons of productions per year by 120%, at this moment uses two reative cells, catalyst for methanol loading amount 250M³, when increased for the Artificial Natural Gas consumption winter, methanol output dropped to 60% when namely producing 600000 tons of methyl alcohol per year, only with a reative cell catalyst 125M³

Be that the bedding and padding sealing is all arranged between bobbin carriage and inner walls between above-mentioned each two ends, figure middle cooling pipe bundle left and right sides bobbin carriage, make reative cell and foot have the end socket cavity to separate, avoid inlet gas and work off one's feeling vent one's spleen closely to enter from the end socket cavity reduction reaction efficiency.

Embodiment 8

The utility model consersion unit is used for the methyl alcohol synthetic reaction, uses water as cooling medium, and as shown in Figure 6, the external drum byproduct steam of reactor, drum are communicated with set of heat exchange tubes and can vaporize under 2～4MPa pressure.5 meters of reactor diameters, dress NC307 catalyst for methanol 150M³Converge with having circulated with shell method producing synthesis gas from coal, pressure 8.0MPa advances methyl alcohol synthetic reactor through being heated to 220 ℃, now catalyst layer catalytic action is synthesizing methanol about in the of lower 260 ℃, and the temperature of this catalyst layer can be communicated with the drum pressure for vaporization by set of heat exchange tubes and regulate control.Same another set of heat exchange tubes of regulating is communicated with the drum pressure for vaporization, can make the catalyst for methanol layer carry out the methyl alcohol synthetic reaction under 240 ℃ of left and right sides temperature, is 0.5 o'clock at circulating air and virgin gas ratio, going out the tower methanol content is 10%, 5488 tons of methyl alcohol daily outputs are produced 1830000 tons per year, and data see the following form:

Claims (8)

1. Horizontal water cooling reactor, comprise cylindrical shell and end socket, it is characterized in that: described reactor water placing flat, described cylindrical shell top and bottom are respectively equipped with the catalyst loading port and catalyst unloads outlet, described cylindrical shell side is provided with air inlet and gas outlet, described inner barrel is provided with upright gas distribution grid and gas collection plate, described gas distribution grid, the lower end of gas collection plate is connected with the cylindrical shell bottom respectively, described gas distribution grid, the upper end of gas collection plate is connected with the cylindrical shell top movable respectively, but consisting of the reaction compartment of horizontal cross circulation reaction gas, is catalyst layer in the described reaction compartment.

2. Horizontal water cooling reactor as claimed in claim 1 is characterized in that: be distributed with some cold pipes in the described catalyst layer, described end socket is provided with water inlet pipe and the outlet pipe that connects drum.

3. Horizontal water cooling reactor as claimed in claim 2, it is characterized in that: described cold pipe is divided into many group cooler tube bundles, the two ends of every group of cooler tube bundle connect a bobbin carriage, one end bobbin carriage of two adjacent groups cooler tube bundle was communicated with communicating pipe, other end bobbin carriage is communicated with communicating pipe with another end bobbin carriage of organizing adjacent cooler tube bundle, make all cooler tube bundles form series connection, the entrance point header of cooler tube bundle of series connection is connected with water inlet pipe with port of export header and is connected with outlet pipe, and described bobbin carriage is along horizontal diameter direction or the perpendicular diameter direction layout in cylindrical shell cross section.

4. Horizontal water cooling reactor as claimed in claim 1 or 2, it is characterized in that: the reative cell that is divided at least two connections in the described reaction compartment with vertical baffle, leave the space between one vertical side of described dividing plate and cylindrical shell one side, its excess-three side is connected with cylindrical shell respectively, described reative cell is communicated with the cylindrical shell cavity by air dividing plate or gas collection plate, the mobile opposite direction of reaction gas that adjacent reaction is indoor, i.e. series connection before and after the adjacent reaction chamber.

5. Horizontal water cooling reactor as claimed in claim 1 or 2, it is characterized in that: be divided at least two disconnected reative cells with vertical baffle in the described reaction compartment, be equipped with air inlet and gas outlet on each reative cell place cylindrical shell, the gas outlet of each reative cell is connected with the air inlet of adjacent reaction chamber, makes all reative cells front and back series connection.

6. Horizontal water cooling reactor as claimed in claim 5, it is characterized in that: described reative cell is two, described cold pipe is the U-shaped pipe, the U-shaped cooler tube bundle reversed arrangement in two reative cells.

7. Horizontal water cooling reactor as claimed in claim 1 is characterized in that: described catalyst layer bottom is inactive ceramic ball layer, and described catalyst layer top is provided with pressing plate.

8. one kind is utilized the air cooling that Horizontal water cooling reactor as claimed in claim 4 forms-water-cooled combined reactor, it is characterized in that: described Horizontal water cooling reactor and air cooling heat transfer reactor connect to form air cooling-water-cooled combined reactor, the air inlet of described Horizontal water cooling reactor is connected with the tube side outlet of air cooling heat transfer reactor, the gas outlet of described Horizontal water cooling reactor is connected with the outer catalyst layer import of the pipe of air cooling heat transfer reactor, is provided with bypass between the cold air import of described air cooling heat exchanger and cold air outlet.

Images