Deflation recovery structure of methanol synthesis device

Abstract

The utility model discloses a deflation recovery structure of a methanol synthesis device, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixed disc, and the top of the fixed disc is fixedly connected with a limiting rod. The protective cover is adopted to cover and protect the tube bundle type container body, external objects are prevented from directly impacting the surface of the tube bundle type container body, and when the device shakes during transportation, the tube bundle type container body can be driven to shake, for example, when the tube bundle type container body shakes to drive the supporting table to move downwards, the tube bundle type container body cannot shake. When the pipe bundle type container body is transported, the supporting column and the movable disc can be driven to move downwards, then the first compressed spring is compressed, the first compressed spring indirectly buffers the pipe bundle type container body according to the relation between the acting force and the counter-acting force, the pipe bundle type container body can be further buffered through the buffering assembly, and the pipe bundle type container body is prevented from being violently shaken during transportation; the device has the advantages of being good in protection effect, good in recovery effect and high in safety coefficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas recovery technical field, concretely is a kind of methanol synthesis device's release recovery structure. BACKGROUND

[0002] In the methanol production project of coke oven gas, on the one hand, due to the hydrogen-rich and carbon-poor nature of coke oven gas, the hydrogen content reaches 60%, even in the methanol production process, the coke oven gas is converted into CO by using pure oxygen conversion, and the hydrogen-to-carbon ratio in the converted synthesis gas raw gas is much higher than the ideal ratio required for methanol synthesis, a large amount of hydrogen exists in the purge gas, and the hydrogen volume fraction in the purge gas as the production waste gas of the methanol synthesis device is more than 70%, which can be used as raw material gas for hydrogen purification.

[0003] The utility model patent with publication (announcement) number CN214653631U discloses a device for producing hydrogen from methanol purge gas, which uses methanol purge gas discharged from the methanol separator to contain a small amount of methanol water, so that after cooling, the methanol water is removed by a gas-liquid separator, and then the raw gas is stored in a raw gas storage tank. At this time, the raw gas temperature is low, and if it is directly introduced into the hollow fiber membrane separator, the hollow fiber membrane will be damaged, so before that, the raw gas is heated by a tubular heat exchanger, and then the hydrogen separated by the membrane is introduced into a pressure swing adsorber for further purification, which reduces the burden on the pressure swing adsorber and improves the purity and recovery rate of hydrogen. After purification, the hydrogen is compressed, and the hydrogen to be used is obtained, which improves the utilization rate and added value of methanol purge gas and significantly improves the efficiency. The device uses a pipe bundle container to collect hydrogen, but the existing pipe bundle container is generally composed of multiple high-pressure cylinders (pipe bundles), which are fixed together by a frame to form a complete transportation unit. The existing pipe bundle container has poor anti-collision effect and poor shock resistance, which increases the risk coefficient during transportation. SUMMARY

[0004] To solve the problems in the background art, the purpose of the present utility model is to provide a methanol synthesis device release recovery structure with good protection effect, good recovery effect and high safety factor.

[0005] To achieve the above object, the utility model provides following technical scheme: A kind of methanol synthesis device's release recovery structure, including bottom plate, the top of the bottom plate is fixedly connected with fixed disc, the top of the fixed disc is fixedly connected with limiting rod, the number of the limiting rod is several, the surface of the limiting rod is slidably connected with movable disc, the bottom of the movable disc is fixedly connected with first compression spring, the bottom of the first compression spring is fixedly connected with fixed disc, the top of the movable disc is fixedly connected with support column, the top of the support column is fixedly connected with support table, the top of the support table is fixedly connected with pipe bundle container body, the bottom of the support table is provided with buffer assembly, the periphery of the top of the support table is fixedly connected with sleeve, the inside of the sleeve is slidably connected with movable column, the top of the movable column is fixedly connected with protective cover.

[0006] As the utility model is preferred, the buffer assembly includes the chute being arranged at the left and right sides of the bottom of the support table, and the inside of the chute is slidably connected with the movable plate, the bottom of the movable plate is fixedly connected with the roller, the left and right sides of the bottom of the support table are fixedly connected with the fixed plate, the surface of the movable plate is fixedly connected with the second compression spring, the number of the second compression spring is several, one end of the second compression spring away from the movable plate is fixedly connected with the fixed plate, the top of the bottom plate is fixedly connected with trapezoidal table, and the roller is rollingly connected with the trapezoidal table.

[0007] As the utility model is preferred, the left and right sides of the top of the bottom plate are fixedly connected with the damping rod, and the damping rod is fixedly connected with the support table.

[0008] As the utility model is preferred, the inside of the sleeve is screw-connected with the bolt, the surface of the movable column is provided with the clamping groove, the bolt is inserted with the clamping groove, and the surface of the bolt is sprayed with rust-proof paint.

[0009] As the utility model is preferred, the bottom of the support table is fixedly connected with the protective cover.

[0010] As the utility model is preferred, the periphery of the top of the protective cover is fixedly connected with the lifting ring.

[0011] Compared with prior art, the utility model has the beneficial effects as follows:

[0012] 1. The utility model discloses a protective cover is covered to the pipe bundle container body, avoids the direct impact of external object to the surface of pipe bundle container body, when the device is shaken when transporting, will drive pipe bundle container body to shake, for example, when the support platform is driven to go down because pipe bundle container body shakes, will drive support column and movable disc to go down, and then compresses first compression spring, according to the relationship between force and reaction, first compression spring indirectly buffers pipe bundle container body, through the buffering assembly, can further buffer pipe bundle container body, avoid pipe bundle container body to be shaken violently when transporting, the device has the advantages of good protection effect, good recovery effect and high safety factor.

[0013] 2. The utility model discloses through the setting of buffering assembly, when pipe bundle container body is shaken when transporting, for example, when the support platform is driven to go down because pipe bundle container body shakes, then drive movable plate to go down, then drive roller to go down, under the action of the two sides of trapezoidal table slope, when movable plate drives roller to go down, trapezoidal table promotes the roller and movable plate of two sides to be far away from each other, then compresses second compression spring, according to the relationship between force and reaction, second compression spring indirectly buffers pipe bundle container body. DRAWINGS

[0014] Figure 1 It is the structure schematic drawing of the utility model;

[0015] Figure 2 It is the pipe bundle container body structure schematic drawing of the utility model;

[0016] Figure 3 It is the utility model Figure 2 It is the structure enlarged diagram of A place in the utility model;

[0017] Figure 4 It is the structure enlarged diagram of B place in the utility model. Figure 2

[0018] In the drawing: 1, bottom plate; 2, fixed disc; 3, limit rod; 4, movable disc; 5, first compression spring; 6, support column; 7, support platform; 8, pipe bundle container body; 9, sleeve; 10, movable column; 11, protective cover; 12, buffering assembly; 13, movable plate; 14, roller; 15, fixed plate; 16, second compression spring; 17, trapezoidal table; 18, bolt; 19, damping rod; 20, protective cover; 21, lifting ring. DETAILED DESCRIPTION

[0019] ​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0020] As shown in Figures 1 to 4 A methanol synthesis device exhaust gas recovery structure, including the bottom plate 1, the top of the bottom plate 1 is fixedly connected with the fixed disc 2, the top of the fixed disc 2 is fixedly connected with the limiting rod 3, the number of limiting rods 3 is several, the surface of the limiting rod 3 is slidably connected with the movable disc 4, the bottom of the movable disc 4 is fixedly connected with the first compression spring 5, the bottom of the first compression spring 5 is fixedly connected with the fixed disc 2, the top of the movable disc 4 is fixedly connected with the support column 6, the top of the support column 6 is fixedly connected with the support table 7, the top of the support table 7 is fixedly connected with the pipe bundle container body 8, the bottom of the support table 7 is provided with a buffer assembly 12, the periphery of the top of the support table 7 is fixedly connected with the sleeve 9, the inside of the sleeve 9 is slidably connected with the movable column 10, the top of the movable column 10 is fixedly connected with the protective cover 11, the pipe bundle container body 8 and the support table 7 are connected through a plurality of fastening screws, when the operator transports the pipe bundle container body 8 to the destination, in order to facilitate the operator to release the hydrogen gas in the pipe bundle container body 8, the operator can disassemble the fastening screw through the tool, so that the pipe bundle container body 8 and the support table 7 are separated, thereby facilitating the operator to release the hydrogen gas in the pipe bundle container body 8.

[0021] Referring to Figure 2 and Figure 4 , the buffer assembly 12 includes a sliding groove arranged on the left and right sides of the bottom of the support table 7, and the inside of the sliding groove is slidably connected with the movable plate 13, the bottom of the movable plate 13 is fixedly connected with the roller 14, the left and right sides of the bottom of the support table 7 are fixedly connected with the fixed plate 15, the surface of the movable plate 13 is fixedly connected with the second compression spring 16, the number of the second compression spring 16 is several, the end of the second compression spring 16 away from the movable plate 13 is fixedly connected with the fixed plate 15, the top of the bottom plate 1 is fixedly connected with the trapezoidal table 17, the roller 14 is rollingly connected with the trapezoidal table 17.

[0022] As a technical optimization scheme of the utility model, through the setting of buffer assembly 12, when the pipe bundle container body 8 shakes during transportation, for example, the pipe bundle container body 8 drives the support table 7 to move down due to shaking, in turn drives the movable plate 13 to move down, in turn drives the roller 14 to move down, under the action of the two sides of the trapezoidal table 17, when the movable plate 13 drives the roller 14 to move down, the trapezoidal table 17 pushes the roller 14 and the movable plate 13 on both sides away from each other, in turn compresses the second compression spring 16, according to the relationship between the force and the reaction force, the second compression spring 16 indirectly buffers the pipe bundle container body 8.

[0023] Reference Figure 1 And Figure 2 The bottom plate 1 top is fixedly connected with the damping rod 19 on both sides, and the damping rod 19 is fixedly connected with the support table 7.

[0024] As a technical optimization scheme of the utility model, through the setting of the damping rod 19, the support table 7 and the pipe bundle container body 8 can be prevented from reciprocating up and down and rebounding due to the buffering of the first compression spring 5 and the second compression spring 16, in turn play the role of shock absorption, the damping rod 19 is the existing mature technology, and the present application will not be described in detail here.

[0025] Reference Figures 1 to 3 The sleeve 9 is internally threadedly connected with a bolt 18, the surface of the movable column 10 is provided with a clamping groove, the bolt 18 is inserted into the clamping groove, and the surface of the bolt 18 is sprayed with rust-proof paint.

[0026] As a technical optimization scheme of the utility model, through the setting of the bolt 18 and the clamping groove, the operator can tighten the bolt 18, so that the bolt 18 is inserted into the clamping groove, in turn locks the position of the movable column 10, in turn locks the position of the protective cover 11.

[0027] Reference Figure 1 The bottom of the support table 7 is fixedly connected with a protective cover 20.

[0028] As a technical optimization scheme of the utility model, through the setting of the protective cover 20, external objects can be prevented from impacting the components between the bottom plate 1 and the support table 7 to a certain extent.

[0029] Reference Figure 1 The protective cover 11 top is fixedly connected with a lifting ring 21 around.

[0030] As a technical optimization scheme of the utility model, through the setting of the lifting ring 21, the operator can hoist the protective cover 11 through the hoisting equipment.

[0031] The working principle and use process of the utility model: when using, the methanol synthesis tower exhausts the hydrogen production assembly to extract hydrogen, and then collects the extracted hydrogen in the pipe bundle container body 8, the above hydrogen production assembly has been disclosed in the utility model of publication (announcement) No. CN214653631U, the detailed process of methanol synthesis device hydrogen production is not repeated in detail herein, the device covers and protects the pipe bundle container body 8 through the protective cover 11, avoids that external objects directly impact the surface of the pipe bundle container body 8, when the device is shaken during transportation, the pipe bundle container body 8 will be shaken, for example, when the pipe bundle container body 8 is moved down due to shaking, the support column 6 and the movable disc 4 will be moved down, and then the first compression spring 5 is compressed, according to the relationship between force and counterforce, the first compression spring 5 indirectly buffers the pipe bundle container body 8, through the buffering assembly 12, the pipe bundle container body 8 can be further buffered, and the pipe bundle container body 8 is prevented from being violently shaken during transportation.

[0032] It should be noted that, in this document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the present utility model have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present utility model, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A hydrogen release recovery structure of a methanol synthesis apparatus comprising a base plate (1), characterized by: The top of the bottom plate (1) is fixedly connected with a fixed disc (2), the top of the fixed disc (2) is fixedly connected with a limiting rod (3), the number of the limiting rod (3) is several, the surface of the limiting rod (3) is slidably connected with a movable disc (4), the bottom of the movable disc (4) is fixedly connected with a first compression spring (5), the bottom of the first compression spring (5) is fixedly connected with the fixed disc (2), the top of the movable disc (4) is fixedly connected with a support column (6), the top of the support column (6) is fixedly connected with a support table (7), the top of the support table (7) is fixedly connected with a pipe bundle container body (8), the bottom of the support table (7) is provided with a buffer assembly (12), the periphery of the top of the support table (7) is fixedly connected with a sleeve (9), the inside of the sleeve (9) is slidably connected with a movable column (10), the top of the movable column (10) is fixedly connected with a protective cover (11).

2. A vent gas recovery structure for a methanol synthesis plant according to claim 1, characterized in that: The buffer assembly (12) includes a chute arranged on the left and right sides of the bottom of the support table (7), and the inside of the chute is slidably connected with a movable plate (13), the bottom of the movable plate (13) is fixedly connected with a roller (14), the left and right sides of the bottom of the support table (7) are fixedly connected with a fixed plate (15), the surface of the movable plate (13) is fixedly connected with a second compression spring (16), the number of the second compression spring (16) is several, one end of the second compression spring (16) away from the movable plate (13) is fixedly connected with the fixed plate (15), the top of the bottom plate (1) is fixedly connected with a trapezoidal table (17), the roller (14) is rollingly connected with the trapezoidal table (17).

3. A vent gas recovery structure for a methanol synthesis plant according to claim 1, characterized in that: The left and right sides of the top of the bottom plate (1) are fixedly connected with a damping rod (19), the damping rod (19) is fixedly connected with the support table (7).

4. The vent gas recovery structure of a methanol synthesis apparatus according to claim 1, characterized by: The inside of the sleeve (9) is threadedly connected with a bolt (18), the surface of the movable column (10) is provided with a clamping groove, the bolt (18) is inserted into the clamping groove, the surface of the bolt (18) is sprayed with rust-proof paint.

5. The vent gas recovery structure of a methanol synthesis apparatus according to claim 1, characterized by: The bottom of the support table (7) is fixedly connected with a protective cover (20).

6. A vent gas recovery structure for a methanol synthesis unit according to claim 1, characterized in that: The periphery of the top of the protective cover (11) is fixedly connected with a lifting ring (21). The periphery of the top of the protective cover (11) is fixedly connected with a lifting ring (21).

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