CN220939171U - Carbon dioxide double-tower rectifying and separating system - Google Patents
Carbon dioxide double-tower rectifying and separating system Download PDFInfo
- Publication number
- CN220939171U CN220939171U CN202323010171.6U CN202323010171U CN220939171U CN 220939171 U CN220939171 U CN 220939171U CN 202323010171 U CN202323010171 U CN 202323010171U CN 220939171 U CN220939171 U CN 220939171U
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- China
- Prior art keywords
- movable frame
- rectifying
- carbon dioxide
- plate
- control
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 21
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 21
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 abstract description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 230000033001 locomotion Effects 0.000 description 15
- 230000000903 blocking effect Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008014 freezing Effects 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses a carbon dioxide double-tower rectifying and separating system, which belongs to the field of rectifying and separating, and comprises a bottom plate, wherein two rectifying and separating tanks are fixedly arranged at the top of the bottom plate, through pipes are arranged at the bottoms of the two rectifying and separating tanks, control valves are arranged on the two through pipes, an air inlet component is arranged between the tops of the two rectifying and separating tanks, the air inlet component comprises a movable frame, an air inlet pipe is fixedly communicated with the front surface of the movable frame, and exhaust pipes are fixedly communicated with the two sides of the movable frame. The utility model is used for controlling the blockage of the two exhaust pipes through the arrangement of the switch component, not only has the function of air inlet control, but also can form flow control work, and through the arrangement of the two material injection components, not only has inhibitor replenishing work, but also has the control work of inhibitor replenishing quantity, thereby further improving the functionality and the practicability of the separation system.
Description
Technical Field
The utility model relates to the technical field of rectification separation, in particular to a carbon dioxide double-tower rectification separation system.
Background
The utility model discloses a device for preventing system freeze blocking in a carbon dioxide double-tower rectification separation system, which belongs to the technical field of carbon dioxide rectification separation. The device for preventing the system from being frozen and blocked comprises at least one antifreezing instilling tank which is communicated with a feed gas conveying pipeline in front of the rectifying separation tower in a parallel manner. Compared with the prior art, the system freezing and blocking prevention device is arranged in the carbon dioxide double-tower rectification separation system, and methanol is dripped into the carbon dioxide double-tower rectification separation system through the system freezing and blocking prevention device, so that the crystallization condition of water in the rectification separation tower can be obviously improved, the freezing and blocking condition of water in the rectification separation tower can be solved, the relative volatility difference between the methanol and the carbon dioxide is large, the methanol can be automatically separated in the rectification separation system, and the product quality cannot be influenced.
According to the above patent, when the existing rectification separation system is operated, certain defects exist, such as the flow of the inlet air cannot be controlled, so that the rectification separation load is easily increased, in the process of the inlet air, the driving force of the air flow cannot be utilized to extract the inhibitor, and the independent feeding is needed, so that the subsequent reaction work is influenced, and the practicability of the rectification separation device is further reduced.
Disclosure of utility model
The utility model aims to provide a carbon dioxide double-tower rectifying and separating system to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double tower rectification piece-rate system of carbon dioxide, includes the bottom plate, the top fixed mounting of bottom plate has two rectification knockout drum, two the bottom of rectification knockout drum all is provided with the siphunculus, and all is provided with the control valve on two siphunculus, two be provided with the subassembly that admits air between the top of rectification knockout drum, the subassembly that admits air includes the movable frame, the front fixed intercommunication of movable frame has the intake pipe, the both sides of movable frame all are fixed the intercommunication and are had the blast pipe, two the blast pipe other end respectively with the inside intercommunication of two rectification knockout drums, two all be provided with venturi on the blast pipe, two the blast pipe all is provided with annotates the material subassembly through venturi, the internally mounted of movable frame has switch assembly.
Further, annotate the material subassembly and include annotating the feed cylinder, annotate the fixed intercommunication in bottom of feed cylinder and have a control section of thick bamboo, the fixed intercommunication in bottom of control section of thick bamboo has the extraction pipe, and the other end and the venturi of extraction pipe are connected.
Further, a conical through hole is formed between the material injection cylinder and the control cylinder, a movable plate is connected to the control cylinder in a sliding manner, a plurality of guide-out holes are formed in the movable plate, a conical piston is fixedly arranged at the top of the movable plate, a threaded rod is connected to the bottom of the control cylinder in a threaded manner, and the top end of the threaded rod is rotationally connected with the bottom of the movable plate.
Further, the top of annotating the feed cylinder is provided with sealed apron, and is provided with the breather pipe on the sealed apron, and is provided with the check valve on the breather pipe.
Further, the switch assembly comprises two moving plates which are transversely connected to the inside of the movable frame in a sliding mode and a driving plate which is longitudinally connected to the inside of the movable frame in a sliding mode, driving rods are hinged between two sides of the driving plate and inner side faces of the two moving plates, and sealing plugs are fixedly connected to outer side faces of the two moving plates.
Further, the back of the movable frame is fixedly connected with an electric telescopic rod through a bracket, and the telescopic end of the electric telescopic rod is fixedly connected with the back of the driving plate through an operation rod.
The utility model provides a carbon dioxide double-tower rectifying and separating system, which has the following beneficial effects:
According to the utility model, through the arrangement of the air inlet component, the air to be rectified and separated can be discharged into the two rectifying and separating tanks, the two rectifying and separating tanks are used for separating, and through the arrangement of the switch component, the two air outlet pipes are used for blocking and controlling, so that the device has the function of air inlet control, can also form flow control, and through the arrangement of the two material injection components, the device not only has inhibitor replenishing work, but also has inhibitor replenishing amount control work, and the functionality and practicality of the separating system are further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of an air intake assembly according to the present utility model;
FIG. 3 is a cross-sectional view of the structure of the cartridge of the present utility model;
FIG. 4 is a schematic view of a movable frame according to the present utility model;
fig. 5 is a cross-sectional bottom view of the movable frame of the present utility model.
In the figure: 1. a bottom plate; 2. a rectifying and separating tank; 3. a through pipe; 4. a switch assembly; 41. a motion plate; 42. a driving plate; 43. a driving rod; 44. a sealing plug; 45. an electric telescopic rod; 5. an air intake assembly; 51. a movable frame; 52. an air inlet pipe; 53. an exhaust pipe; 54. a venturi tube; 6. a material injection assembly; 61. a material injection cylinder; 62. a control cylinder; 63. an extraction tube; 64. a tapered through hole; 65. a moving plate; 66. a conical piston; 67. a threaded rod; 68. and sealing the cover plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
First embodiment
The utility model provides the technical scheme that: as shown in fig. 1-5, in this embodiment, a carbon dioxide double-tower rectification separation system includes a bottom plate 1, two rectification separation tanks 2 are fixedly installed at the top of the bottom plate 1, through pipes 3 are respectively provided at the bottoms of the two rectification separation tanks 2, control valves are respectively provided on the two through pipes 3, an air inlet component 5 is provided between the tops of the two rectification separation tanks 2, the air inlet component 5 includes a movable frame 51, the front surface of the movable frame 51 is fixedly communicated with an air inlet pipe 52, two sides of the movable frame 51 are fixedly communicated with air outlet pipes 53, the other ends of the two air outlet pipes 53 are respectively communicated with the interiors of the two rectification separation tanks 2, venturi pipes 54 are respectively provided on the two air outlet pipes 53, an injection component 6 is respectively provided on the two air outlet pipes 53 through the venturi pipes 54, and a switch component 4 is installed inside the movable frame 51;
Through the arrangement of the air inlet component 5, the air to be rectified and separated can be discharged into the two rectifying and separating tanks 2, the two rectifying and separating tanks 2 are used for separating, through the arrangement of the switch component 4, the two air outlet pipes 53 are used for blocking and controlling, not only the air inlet control function is achieved, but also the flow control work can be achieved, through the arrangement of the two material injection components 6, the inhibitor replenishing work is achieved, the inhibitor replenishing amount control work is achieved, and the functionality and the practicability of the separating system are further improved;
The inhibitor adopts methanol, and the alcoholic hydroxyl of the methanol can form hydrogen bonds with water molecules to prevent the growth of crystals, so that the methanol can obviously improve the crystallization condition of water in the rectifying and separating tank 2, and finally the water molecules are separated in the rectifying and separating process, thereby solving the problem of freezing and blocking of water in the rectifying and separating tank 2. Meanwhile, the relative volatility of carbon dioxide is 1, and the relative volatility of methanol is 0.00841, which are greatly different, so that the methanol can be discharged from the bottom of the tower along with other heavy components in the rectification separation process, and the product quality is not affected.
Further, the injection assembly 6 comprises an injection cylinder 61, a control cylinder 62 is fixedly communicated with the bottom of the injection cylinder 61, an extraction pipe 63 is fixedly communicated with the bottom of the control cylinder 62, and the other end of the extraction pipe 63 is connected with the venturi tube 54;
the supply of inhibitor is controlled by the provision of a cartridge 61 for storing the inhibitor, a control cartridge 62 for controlling the amount of inhibitor supplied, and a venturi tube 54.
Further, a conical through hole 64 is formed between the material injection barrel 61 and the control barrel 62, a movable plate 65 is slidably connected in the control barrel 62, a plurality of guiding holes are formed in the movable plate 65, a conical piston 66 is fixedly arranged at the top of the movable plate 65, a threaded rod 67 is connected with the bottom of the control barrel 62 in a threaded manner, and the top end of the threaded rod 67 is rotatably connected with the bottom of the movable plate 65;
Through the rotation of hand to threaded rod 67, can drive movable plate 65 up-and-down motion, through the motion of movable plate 65 up-and-down, can drive conical piston 66 up-and-down motion, through the motion of conical piston 66 up-and-down, can control conical through-hole 64, not only have the inhibitor supply work, have the control work of inhibitor supply volume moreover, further improved the functionality and the practicality of piece separating system.
Further, a sealing cover plate 68 is arranged at the top of the material injection barrel 61, a vent pipe is arranged on the sealing cover plate 68, and a one-way valve is arranged on the vent pipe;
By the provision of the sealing cover 68 for sealing the top of the cartridge 61, by the provision of the vent tube, better extraction of the venturi 54 is facilitated.
Further, the switch assembly 4 comprises two moving plates 41 which are transversely and slidably connected to the inside of the movable frame 51, and a driving plate 42 which is longitudinally and slidably connected to the inside of the movable frame 51, wherein driving rods 43 are hinged between two sides of the driving plate 42 and inner side surfaces of the two moving plates 41, and sealing plugs 44 are fixedly connected to outer side surfaces of the two moving plates 41;
The driving plate 42 moves forwards and backwards to drive the two driving rods 43 to perform fan-shaped movement, so that the two moving plates 41 can be driven to perform opposite or opposite movement, the two sealing plugs 44 can be driven to perform opposite or opposite movement through the opposite or opposite movement of the two moving plates, and the two sealing plugs 44 can lose blocking of the two exhaust pipes 53 to form air inlet work; by the opposite movement of the two sealing plugs 44 in opposite directions, the two exhaust pipes 53 can be blocked to stop the air intake operation, and by the distance between the sealing plugs 44 and the exhaust pipes 53, the flow control operation can be also formed.
Further, the back of the movable frame 51 is fixedly connected with an electric telescopic rod 45 through a bracket, and the telescopic end of the electric telescopic rod 45 is fixedly connected with the back of the driving plate 42 through an operation rod;
the electric telescopic rod 45 is used for driving the operating rod to move in a telescopic way, and the driving plate 42 can be driven to move back and forth by the telescopic movement of the operating rod.
The utility model provides a carbon dioxide double-tower rectifying and separating system, which has the following specific working principle:
The gas is discharged into the movable frame 51 through the gas inlet pipe 52, the gas is discharged into the two rectifying separation tanks 2 through the two gas discharge pipes 53 on the movable frame 51, rectifying separation work is formed, the driving plate 42 can be driven to move back and forth through the arrangement of the electric telescopic rod 45, the driving plate 42 can be driven to move in a fan shape through the movement of the driving plate 42, the two driving rods 43 can be driven to move relatively or relatively away from each other, the two sealing plugs 44 can be driven to move relatively or relatively away from each other through the movement of the two driving plates relatively or relatively away from each other, the two gas discharge pipes 53 are further subjected to blocking control, the setting of the two venturi tubes 54 is used for extracting the inhibitor of the material injection cylinder 61 through negative pressure, the threaded rod 67 can be driven to move up and down through the movement of the moving plate 65 through the rotation of the hand, the conical piston 66 can be driven to move up and down through the movement of the moving plate 65, the conical piston 66 can be driven to move up and down through the conical piston 66, the conical through hole 64 can be controlled, and further the inhibitor replenishment control work is formed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a two tower rectification piece-rate systems of carbon dioxide, includes bottom plate (1), the top fixed mounting of bottom plate (1) has two rectification knockout drum (2), two the bottom of rectification knockout drum (2) all is provided with siphunculus (3), and all is provided with the control valve on two siphunculus (3), its characterized in that: two be provided with between the top of rectifying separation jar (2) subassembly (5) admitting air, subassembly (5) admitting air is including movable frame (51), the front fixed intercommunication of movable frame (51) has intake pipe (52), the both sides of movable frame (51) are all fixed to be linked together and are had blast pipe (53), two the blast pipe (53) other end respectively with the inside intercommunication of two rectifying separation jar (2), two all be provided with venturi (54) on blast pipe (53), two blast pipe (53) all are provided with annotate material subassembly (6) through venturi (54), the internally mounted of movable frame (51) has switch assembly (4).
2. The carbon dioxide double-tower rectifying and separating system according to claim 1, wherein: the material injection assembly (6) comprises a material injection cylinder (61), a control cylinder (62) is fixedly communicated with the bottom of the material injection cylinder (61), an extraction pipe (63) is fixedly communicated with the bottom of the control cylinder (62), and the other end of the extraction pipe (63) is connected with a venturi tube (54).
3. The carbon dioxide double-tower rectifying and separating system according to claim 2, wherein: the automatic feeding device is characterized in that a conical through hole (64) is formed between the feeding barrel (61) and the control barrel (62), a movable plate (65) is connected to the control barrel (62) in a sliding mode, a plurality of guiding-out holes are formed in the movable plate (65), a conical piston (66) is fixedly arranged at the top of the movable plate (65), a threaded rod (67) is connected to the bottom of the control barrel (62) in a threaded mode, and the top end of the threaded rod (67) is connected with the bottom of the movable plate (65) in a rotating mode.
4. The carbon dioxide double-tower rectifying and separating system according to claim 2, wherein: the top of annotating feed cylinder (61) is provided with sealed apron (68), and is provided with the breather pipe on sealed apron (68), and is provided with the check valve on the breather pipe.
5. The carbon dioxide double-tower rectifying and separating system according to claim 1, wherein: the switch assembly (4) comprises two moving plates (41) which are transversely and slidably connected to the inside of the movable frame (51) and a driving plate (42) which is longitudinally and slidably connected to the inside of the movable frame (51), driving rods (43) are hinged between two sides of the driving plate (42) and inner side surfaces of the two moving plates (41), and sealing plugs (44) are fixedly connected to outer side surfaces of the two moving plates (41).
6. The carbon dioxide double-tower rectifying and separating system according to claim 5, wherein: the back of the movable frame (51) is fixedly connected with an electric telescopic rod (45) through a bracket, and the telescopic end of the electric telescopic rod (45) is fixedly connected with the back of the driving plate (42) through an operation rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323010171.6U CN220939171U (en) | 2023-11-08 | 2023-11-08 | Carbon dioxide double-tower rectifying and separating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323010171.6U CN220939171U (en) | 2023-11-08 | 2023-11-08 | Carbon dioxide double-tower rectifying and separating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220939171U true CN220939171U (en) | 2024-05-14 |
Family
ID=90975935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323010171.6U Active CN220939171U (en) | 2023-11-08 | 2023-11-08 | Carbon dioxide double-tower rectifying and separating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939171U (en) |
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2023
- 2023-11-08 CN CN202323010171.6U patent/CN220939171U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |