CN220834842U - Pressure swing adsorption hydrogen recovery steady voltage system - Google Patents
Pressure swing adsorption hydrogen recovery steady voltage system Download PDFInfo
- Publication number
- CN220834842U CN220834842U CN202322605222.3U CN202322605222U CN220834842U CN 220834842 U CN220834842 U CN 220834842U CN 202322605222 U CN202322605222 U CN 202322605222U CN 220834842 U CN220834842 U CN 220834842U
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- Prior art keywords
- hydrogen
- pressure
- buffer tank
- regulating valve
- tank
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 98
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 98
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 31
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 28
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 8
- 238000013022 venting Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 6
- 238000003786 synthesis reaction Methods 0.000 abstract description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical group ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 150000002431 hydrogen Chemical class 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model provides a pressure swing adsorption hydrogen recovery pressure stabilizing system, which comprises an adsorption tower, wherein one side of the adsorption tower is sequentially provided with a hydrogen outlet buffer tank and a hydrogen intermediate tank, the adsorption tower is communicated with the hydrogen outlet buffer tank through a pipeline, the hydrogen outlet buffer tank is communicated with the hydrogen intermediate tank through a first hydrogen conveying pipeline, the first hydrogen conveying pipeline is sequentially provided with a first pressure gauge and a first regulating valve, one side of the hydrogen intermediate tank is provided with a hydrogen buffer tank, and the hydrogen buffer tank and the hydrogen intermediate tank are communicated through a second hydrogen conveying pipeline. The utility model has simple structure, convenient use and easy maintenance, controls the pressure of the hydrogen production buffer tank and the hydrogen intermediate tank through the interlocking of the regulating valve and the pressure gauge, stabilizes the hydrogen conveying pressure, recovers the hydrogen, reduces the production cost and is widely applied to the field of chloroethylene synthesis.
Description
Technical Field
The utility model belongs to the technical field of chloroethylene synthesis, and relates to a pressure swing adsorption hydrogen recovery pressure stabilizing system.
Background
The rectified tail gas is heated by a raw material gas heater and then enters an adsorption tower to be adsorbed, adsorbed chloroethylene and acetylene are desorbed and then are conveyed to a mixed dehydration station through a Roots blower, purified gas obtained after one-stage adsorption is used as raw material gas of a hydrogen recovery system, and hydrogen obtained from the adsorption tower is buffered by a hydrogen buffer tank and then is conveyed to a hydrogen chloride synthesis station. The flow of the rectified tail gas is unstable, so that the pressure fluctuation of hydrogen sent to the synthesis of hydrogen chloride is large, and the operation of a synthesis furnace is influenced, therefore, the hydrogen recovered by pressure swing adsorption can only be discharged, the hydrogen cannot be recycled, and the raw material waste is caused.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model provides the pressure swing adsorption hydrogen recovery pressure stabilizing system which has the advantages of simple structure, low manufacturing cost, convenient use and easy maintenance, solves the problems of large hydrogen pressure fluctuation, difficult recovery and the like, and improves the recovery rate of raw material hydrogen.
For this purpose, the utility model adopts the following technical scheme:
Pressure swing adsorption hydrogen recovery steady voltage system, including adsorption tower (1), one side of adsorption tower (1) is equipped with out hydrogen buffer tank (2) and hydrogen intermediate tank (6) in proper order, adsorption tower (1) are linked together through the pipeline with out hydrogen buffer tank (2), be linked together through first hydrogen pipeline (3) between out hydrogen buffer tank (2) and hydrogen intermediate tank (6), be equipped with first manometer (4) and first governing valve (5) on first hydrogen pipeline (3) in proper order, one side of hydrogen intermediate tank (6) is equipped with hydrogen buffer tank (13), and both are linked together through second hydrogen pipeline (10).
Further, the second hydrogen delivery pipe (10) is provided with a vent pipe (9) arranged in parallel therewith.
Further, a second pressure gauge (7), a third regulating valve (11) and a third pressure gauge (12) are sequentially arranged on the second hydrogen conveying pipeline (10).
Further, a second regulating valve (8) is arranged on the emptying pipeline (9).
Further, the second regulating valve (8) is connected with the third regulating valve (11) and the third pressure gauge (12) in parallel, and the second regulating valve (8) is connected with the second pressure gauge (7) in series.
The utility model has the beneficial effects that:
The hydrogen delivery pressure is stabilized by controlling the pressure of the hydrogen producing buffer tank and the hydrogen intermediate tank through the interlocking of the regulating valve and the pressure gauge, so that the hydrogen can be recovered, the production cost is reduced, and the hydrogen delivery pressure regulator is widely applied to the field of chloroethylene synthesis; specifically:
1. The hydrogen delivery pressure is ensured to be stable through the hydrogen outlet buffer tank and the hydrogen middle tank;
2. the pressure of the hydrogen buffer tank and the hydrogen intermediate tank is ensured to be stable by regulating the pressure through the regulating valve and releasing the pressure through the blow-down pipe;
3. According to the utility model, the control valve is interlocked with the pressure gauge, so that the automatic control of the system is realized, and the manual operation is reduced.
Drawings
Fig. 1 is a schematic diagram of a system structure according to the present utility model.
In the figure, a 1-adsorption tower, a 2-hydrogen outlet buffer tank, a 3-first hydrogen conveying pipeline, a 4-first pressure gauge, a 5-first regulating valve, a 6-hydrogen intermediate tank, a 7-second pressure gauge, an 8-second regulating valve, a 9-emptying pipeline, a 10-second hydrogen conveying pipeline, an 11-third regulating valve, a 12-third pressure gauge and a 13-hydrogen buffer tank.
Detailed Description
The technical scheme of the utility model is described in the following with reference to the accompanying drawings and the implementation method.
As shown in fig. 1, the pressure swing adsorption hydrogen recovery pressure stabilizing system comprises an adsorption tower (1), wherein one side of the adsorption tower (1) is sequentially provided with a hydrogen outlet buffer tank (2) and a hydrogen intermediate tank (6), the adsorption tower (1) is communicated with the hydrogen outlet buffer tank (2) through a pipeline, and the hydrogen outlet buffer tank (2) is communicated with the hydrogen intermediate tank (6) through a first hydrogen conveying pipeline (3).
The first hydrogen conveying pipeline (3) is sequentially provided with a first pressure gauge (4) and a first regulating valve (5), one side of the hydrogen intermediate tank (6) is provided with a hydrogen buffer tank (13), and the first pressure gauge and the first regulating valve are communicated through a second hydrogen conveying pipeline (10).
The second hydrogen conveying pipeline (10) is provided with an emptying pipeline (9) which is connected in parallel with the second hydrogen conveying pipeline, and the second hydrogen conveying pipeline (10) is sequentially provided with a second pressure gauge (7), a third regulating valve (11) and a third pressure gauge (12); the emptying pipeline (9) is provided with a second regulating valve (8).
The second regulating valve (8) is connected with the third regulating valve (11) and the third pressure gauge (12) in parallel, and the second regulating valve (8) is connected with the second pressure gauge (7) in series.
The pressure swing adsorption hydrogen enters the hydrogen outlet buffer tank (2) from the adsorption tower (1), the pressure of the hydrogen outlet buffer tank (2) is controlled by interlocking the first regulating valve (5) and the first pressure gauge (4), the hydrogen coming out of the hydrogen outlet buffer tank (2) enters the hydrogen intermediate tank (6), the hydrogen delivering pressure of the hydrogen buffer tank (13) is controlled by the third regulating valve (11) and the third pressure gauge (12), the pressure of the hydrogen intermediate tank (6) is controlled by the second regulating valve (8) and the second pressure gauge (7), and the pressure of the hydrogen intermediate tank (6) exceeds the index and is discharged through the discharging pipeline (9).
Claims (5)
1. Pressure swing adsorption hydrogen recovery steady voltage system, a serial communication port, including adsorption tower (1), one side of adsorption tower (1) is equipped with out hydrogen buffer tank (2) and hydrogen intermediate tank (6) in proper order, adsorption tower (1) are linked together through the pipeline with out hydrogen buffer tank (2), be linked together through first hydrogen pipeline (3) between out hydrogen buffer tank (2) and hydrogen intermediate tank (6), be equipped with first manometer (4) and first governing valve (5) on first hydrogen pipeline (3) in proper order, one side of hydrogen intermediate tank (6) is equipped with hydrogen buffer tank (13), and both are linked together through second hydrogen pipeline (10).
2. Pressure swing adsorption hydrogen recovery pressure stabilizing system according to claim 1, characterized in that the second hydrogen delivery conduit (10) is provided with a vent conduit (9) arranged in parallel therewith.
3. The pressure swing adsorption hydrogen recovery pressure stabilizing system according to claim 1, wherein the second hydrogen conveying pipeline (10) is sequentially provided with a second pressure gauge (7), a third regulating valve (11) and a third pressure gauge (12).
4. Pressure swing adsorption hydrogen recovery pressure stabilizing system according to claim 2, characterized in that the venting pipe (9) is provided with a second regulating valve (8).
5. The pressure swing adsorption hydrogen recovery pressure stabilizing system according to claim 4, wherein the second regulating valve (8) is connected in parallel with the third regulating valve (11) and the third pressure gauge (12), and the second regulating valve (8) is connected in series with the second pressure gauge (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605222.3U CN220834842U (en) | 2023-09-25 | 2023-09-25 | Pressure swing adsorption hydrogen recovery steady voltage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605222.3U CN220834842U (en) | 2023-09-25 | 2023-09-25 | Pressure swing adsorption hydrogen recovery steady voltage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220834842U true CN220834842U (en) | 2024-04-26 |
Family
ID=90746940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322605222.3U Active CN220834842U (en) | 2023-09-25 | 2023-09-25 | Pressure swing adsorption hydrogen recovery steady voltage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220834842U (en) |
-
2023
- 2023-09-25 CN CN202322605222.3U patent/CN220834842U/en active Active
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| GR01 | Patent grant |