A device for recovering evaporated gas from a carbon dioxide storage tank
By designing a carbon dioxide storage tank evaporation gas recovery device that can buffer and push pressure relief tank structure and a graded collection tank structure, the shortcomings of existing devices in staging pressure relief and gas buffering are solved, and the gas liquefaction efficiency is improved.
Patent Information
- Application Number
- CN202421053609.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The existing carbon dioxide storage tank evaporation gas recovery device is inconvenient to perform hierarchical pressure relief during use, and it is impossible to effectively buffer gas, affecting the gas liquefaction efficiency.
A carbon dioxide storage tank evaporation gas recovery device including a bufferable push pressure relief tank structure and a bufferable hierarchical collection tank structure is designed. The device introduces gas through the air conduit, uses a pressure relief tank and push plate to perform multi-stage pressure relief, and uses a buffer tank to buffer gas to prevent excessive or too small air pressure from affecting liquefaction.
It realizes convenient hierarchical pressure relief work during use, and prevents excessive or too small air pressure from being too large during gas buffering, improving gas liquefaction efficiency.
Smart Images

Figure CN222717980U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of gas recovery equipment, and in particular relates to a device for recovering evaporated gas from a carbon dioxide storage tank. Background Art
[0002] Carbon dioxide is a carbon oxide and a common compound in the air. It is colorless, odorless, non-combustible and non-flammable under normal pressure. It is slightly soluble in water to form carbonic acid. During the production, storage and transportation of carbon dioxide, due to its own physical properties, it cannot be stored and transported at ultra-low temperatures and low pressures like oxygen, nitrogen, argon, etc. The existing carbon dioxide storage tank evaporated gas recovery device includes a carbon dioxide storage tank body, a rectangular plate, a support rod, a pressure reducing valve, a carbon dioxide compressor, a liquid guide tube, an air guide tube, a sealed chamber, a piston, a compression spring, a movable rod, a reset spring, a copper sheet, a battery, an electrical connector, a rectangular chamber, and a battery chamber. This carbon dioxide storage tank evaporated gas recovery device is not convenient for graded pressure relief during use and cannot perform gas caching during use, which easily affects the gas liquefaction. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a carbon dioxide storage tank evaporated gas recovery device, which improves the gas collection mechanism during use to facilitate graded pressure relief work and sets a buffer mechanism during use to prevent affecting the gas liquefaction efficiency.
[0004] A device for recovering evaporated gas from a carbon dioxide storage tank comprises a carbon dioxide storage tank body, the bottom end of which is bolted with support rods; the bottom ends of the support rods are bolted to the middle position of the upper end of a bottom plate; an air guide pipe is threadedly connected to the top right side of the carbon dioxide storage tank body; an additional tank is bolted to the middle position of the right side of the carbon dioxide storage tank body; a liquid guide pipe is threadedly connected to the bottom right side of the carbon dioxide storage tank body; a carbon dioxide compressor is bolted to the middle position of the inner bottom end of the additional tank, and is characterized in that a pressure relief tank structure that can be pushed bufferingly is provided at the inner bottom end of the additional tank; and a graded collection tank structure that can be cached is provided at the lower middle position of the inner wall of the additional tank.
[0005] Preferably, the bufferable and pushable pressure relief tank structure includes a support plate, a pressure relief tank is bolted to the middle position of the upper end of the support plate; springs are fixed to the inner bottom end of the pressure relief tank in sequence from left to right; the upper end of the spring is fixed to the bottom end of the push plate; a driving rod passes through the right side of the upper end of the support plate; the right side of the bottom end of the driving rod passes through the middle position of the upper end of the control box; a contact copper plate is bolted to the middle position of the inner wall of the control box; and a battery is bolted to the inner bottom end of the control box.
[0006] Preferably, the cacheable graded collection tank structure includes a cache tank, a connecting pipe is threadedly connected to the middle position of the upper end of the cache tank; the upper end of the connecting pipe is threadedly connected to the middle position of the bottom end of the collection pipe; the first pressure relief pipe is threadedly connected to the middle position of the left side of the collection pipe; and the second pressure relief pipe is threadedly connected to the middle position of the right side of the collection pipe.
[0007] Compared with the prior art, the beneficial effects of the utility model are:
[0008] In the utility model, the arrangement of the support plate, the pressure relief tank, the spring, the push plate, the driving rod, the control box, the contact copper plate and the storage battery is conducive to guiding the gas into the pressure relief tank through the air guide pipe during the recycling process, and then the push plate is pushed downward by the continuous increase in air pressure, and then the gas is guided through the first pressure relief pipe, and the pressure is relieved through the second pressure relief pipe when the pressure increases, which is convenient for multi-stage pressure relief work during work.
[0009] In the utility model, the arrangement of the buffer tank, the connecting pipe, the collecting pipe, the first pressure relief pipe and the second pressure relief pipe is conducive to gas caching through the buffer tank during use, which is convenient for gas caching during work and prevents the gas liquefaction from being affected by excessive or insufficient gas pressure. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural schematic diagram of the utility model;
[0011] Figure 2 It is a structural schematic diagram of the structure of the pressure relief tank capable of buffering and pushing according to the utility model;
[0012] Figure 3 It is a structural schematic diagram of the cacheable graded collection tank structure of the utility model.
[0013] In the figure:
[0014] 1. Carbon dioxide storage tank body; 2. Support rod; 3. Bottom plate; 4. Air guide tube; 5. Additional tank; 6. Liquid guide tube; 7. Carbon dioxide compressor; 8. Buffering and pushing pressure relief tank structure; 81. Support plate; 82. Pressure relief tank; 83. Spring; 84. Push plate; 85. Driving rod; 86. Control box; 87. Contact copper plate; 88. Battery; 9. Buffering and grading collection tank structure; 91. Cache tank; 92. Connecting pipe; 93. Collection pipe; 94. First pressure relief pipe; 95. Second pressure relief pipe. DETAILED DESCRIPTION
[0015] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1 and attached Figure 2As shown, a carbon dioxide storage tank evaporated gas recovery device includes a carbon dioxide storage tank body 1, a support rod 2, a bottom plate 3, an air guide tube 4, an additional tank 5, a liquid guide tube 6, a carbon dioxide compressor 7, a buffer-pushing pressure relief tank structure 8 and a buffer-able graded collection tank structure 9, wherein the bottom end of the carbon dioxide storage tank body 1 is bolted with a support rod 2; the bottom end of the support rod 2 is bolted to the middle position of the upper end of the bottom plate 3; the right top of the carbon dioxide storage tank body 1 is threadedly connected with an air guide tube 4; the right middle position of the carbon dioxide storage tank body 1 is bolted with an additional tank 5; the right bottom of the carbon dioxide storage tank body 1 is threadedly connected with a liquid guide tube 6; the carbon dioxide compressor 7 is bolted to the middle position of the inner bottom end of the additional tank 5; the inner bottom end of the additional tank 5 is provided with a buffer-pushing pressure relief tank structure 8; the lower part of the inner wall middle position of the additional tank 5 is provided with a buffer-able graded collection tank structure 9; the buffer-pushing pressure relief tank structure 8 includes a support plate 81, a pressure relief tank 82, a spring 83, a push plate 84, a driving rod 85, and a control box 86, contact copper plate 87 and battery 88, a pressure relief tank 82 is bolted to the middle position of the upper end of the support plate 81; a spring 83 is fixed to the inner bottom end of the pressure relief tank 82 from left to right; the upper end of the spring 83 is fixed to the bottom end of the push plate 84; a driving rod 85 is passed through the right side of the upper end of the support plate 81; the right side of the bottom end of the driving rod 85 passes through the middle position of the upper end of the control box 86; a contact copper plate 87 is bolted to the middle position of the inner wall of the control box 86; the inner bottom end of the control box 86 The battery 88 is fixed with bolts; when in use, the carbon dioxide storage tank body 1 is fixed in a suitable position, and then the carbon dioxide storage tank body 1 is filled through the filling pipe arranged at the bottom end of the carbon dioxide storage tank body 1, and after filling, the carbon dioxide is gasified and passes through the air guide pipe 4 to enter the interior of the pressure relief tank 82, and then the air pressure pushes the push plate 84 to move downward, and at the same time drives the driving rod 85 to move downward, and then the right side of the bottom end of the driving rod 85 contacts the upper end of the copper plate 87, and then the gas enters the interior of the carbon dioxide compressor 7 for compression.
[0016] In this embodiment, combined with the Figure 3As shown, the cacheable graded collection tank structure 9 includes a cache tank 91, a connecting pipe 92, a collecting pipe 93, a first pressure relief pipe 94 and a second pressure relief pipe 95. The middle position of the upper end of the cache tank 91 is threadedly connected with the connecting pipe 92; the upper end of the connecting pipe 92 is threadedly connected to the middle position of the bottom end of the collecting pipe 93; the left middle position of the collecting pipe 93 is threadedly connected with the first pressure relief pipe 94; the right middle position of the collecting pipe 93 is threadedly connected with the second pressure relief pipe 95; during the compression process, the gas passes through the first pressure relief pipe 94, the collecting pipe 93 and the connecting pipe 92 and then enters the interior of the cache tank 91 for caching, and during the caching process, the gas enters the interior of the carbon dioxide compressor 7 to realize compression, and during the compression process, the gas is cached through the cache tank 91 to prevent the gas pressure from being too high or too low to affect the purpose of gas liquefaction, thereby completing the evaporation gas recovery work.
[0017] In this embodiment, specifically, the support rod 2 is arranged in a triangle; the air guide tube 4 and the liquid guide tube 6 are respectively made of L-shaped stainless steel pipes; the upper end of the liquid guide tube 6 is threadedly connected to the middle position of the bottom end of the carbon dioxide compressor 7.
[0018] In the present embodiment, specifically, the push plate 84 is slidably arranged at the inner top of the pressure relief tank 82; the left side of the bottom end of the driving rod 85 is bolted to the middle position on the right side of the upper end of the push plate 84; a sealing ring is arranged at the connection between the upper end of the pressure relief tank 82 and the driving rod 85; a copper block is fixed to the right side of the bottom end of the driving rod 85 and an insulating layer is arranged on the upper end of the copper block, and the driving rod 85 adopts an elastic PVC rod.
[0019] In this embodiment, specifically, the support plate 81 is bolted to the middle position of the inner wall of the additional tank 5; the bottom end of the air guide pipe 4 is bolted to the middle position of the upper end of the pressure relief tank 82 and connected.
[0020] In this embodiment, specifically, the connecting pipe 92 and the collecting pipe 93 are arranged in a T shape; the first pressure relief pipe 94 and the second pressure relief pipe 95 are respectively made of U-shaped stainless steel pipes.
[0021] In the present embodiment, specifically, the buffer tank 91 is bolted to the lower middle position of the inner wall of the additional tank 5; the first pressure relief pipe 94 passes through the inner middle position of the left side of the support plate 81 and is connected to the upper middle position of the left side of the pressure relief tank 82; the second pressure relief pipe 95 passes through the inner middle position of the right side of the support plate 81 and is connected to the lower right side of the pressure relief tank 82; the bottom middle position of the buffer tank 91 is connected to the upper middle position of the carbon dioxide compressor 7 through a pipeline.
[0022] How it works
[0023] In the utility model, when in use, the carbon dioxide storage tank body 1 is fixed in a suitable position, and then the filling work is carried out through the filling pipe arranged at the bottom end of the carbon dioxide storage tank body 1. After filling, the carbon dioxide is gasified and then passes through the air guide pipe 4 to enter the interior of the pressure relief tank 82, and then the pushing plate 84 is pushed downward by the air pressure, and at the same time drives the driving rod 85 to move downward, and then the right side of the bottom end of the driving rod 85 contacts the upper end of the copper plate 87, and then the gas enters the interior of the carbon dioxide compressor 7 for compression work. During the compression process, the gas passes through the first pressure relief pipe 94, the collecting pipe 93 and the connecting pipe 92 and enters the interior of the buffer tank 91 for caching work, and during the caching process, the gas enters the interior of the carbon dioxide compressor 7 to realize compression work, and during the compression process, the gas is cached through the buffer tank 91 to prevent the air pressure from being too high or too low to affect the purpose of gas liquefaction, thereby completing the evaporated gas recovery work.
[0024] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.
Claims
1. A carbon dioxide storage tank evaporated gas recovery device, comprising a carbon dioxide storage tank body (1), wherein the bottom end of the carbon dioxide storage tank body (1) is respectively bolted with a support rod (2); the bottom end of the support rod (2) is respectively bolted to the middle position of the upper end of the bottom plate (3); the right top of the carbon dioxide storage tank body (1) is threadedly connected with an air guide pipe (4); the right middle position of the carbon dioxide storage tank body (1) is bolted with an additional tank (5); the right bottom of the carbon dioxide storage tank body (1) is threadedly connected with a liquid guide pipe (6); the inner bottom middle position of the additional tank (5) is bolted with a carbon dioxide compressor (7); characterized in that, The additional tank (5) in the carbon dioxide storage tank evaporation gas recovery device is provided with a buffer-pushing pressure relief tank structure (8) at the inner bottom end; a buffer-pushing graded collection tank structure (9) is provided at the lower middle position of the inner wall of the additional tank (5); the buffer-pushing pressure relief tank structure (8) comprises a support plate (81), and a pressure relief tank (82) is bolted to the middle position of the upper end of the support plate (81); springs (83) are fixed to the inner bottom end of the pressure relief tank (82) from left to right; the upper end of the spring (83) is fixed to the bottom end of the push plate (84); a driving rod (85) penetrates the right side of the upper end of the support plate (81); the right side of the bottom end of the driving rod (85) penetrates the middle position of the upper end of the control box (86); a contact copper plate (87) is bolted to the middle position of the inner wall of the control box (86); and a storage battery (88) is bolted to the inner bottom end of the control box (86).
2. The device for recovering evaporated gas from a carbon dioxide storage tank according to claim 1, characterized in that: The cacheable graded collection tank structure (9) comprises a cache tank (91), wherein a connecting pipe (92) is threadedly connected to the middle position of the upper end of the cache tank (91); the upper end of the connecting pipe (92) is threadedly connected to the middle position of the bottom end of the collection pipe (93); the first pressure relief pipe (94) is threadedly connected to the middle position of the left side of the collection pipe (93); and the second pressure relief pipe (95) is threadedly connected to the middle position of the right side of the collection pipe (93).
3. The device for recovering evaporated gas from a carbon dioxide storage tank according to claim 1, characterized in that: The support plate (81) is bolted to the middle position of the inner wall of the additional tank (5); the bottom end of the air guide pipe (4) is bolted to the middle position of the upper end of the pressure relief tank (82) and connected.
4. The device for recovering evaporated gas from a carbon dioxide storage tank according to claim 2, characterized in that: The buffer tank (91) is bolted to the middle position of the lower part of the inner wall of the additional tank (5); the middle position of the bottom end of the buffer tank (91) is connected to the middle position of the upper end of the carbon dioxide compressor (7) through a pipeline.