CN220119169U - Water carrying device in tail gas removal pipeline - Google Patents
Water carrying device in tail gas removal pipeline Download PDFInfo
- Publication number
- CN220119169U CN220119169U CN202320733274.6U CN202320733274U CN220119169U CN 220119169 U CN220119169 U CN 220119169U CN 202320733274 U CN202320733274 U CN 202320733274U CN 220119169 U CN220119169 U CN 220119169U
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- CN
- China
- Prior art keywords
- water
- pipeline
- tail gas
- gas separation
- gas
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000000926 separation method Methods 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000007791 liquid phase Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000003795 desorption Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 18
- 238000005406 washing Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 95
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model relates to the technical field of low-temperature methanol washing, in particular to a water carrying device in a tail gas removal pipeline, which comprises parallel pipelines which are arranged beside a tail gas main pipeline, wherein a water inlet gas separation valve, a water gas separation module for realizing water-gas separation operation and a water outlet gas separation valve are sequentially arranged at the parallel pipelines along a tail gas travelling path, and a switch valve is further arranged on one section of tail gas main pipeline between an access end and an access end of the parallel pipelines; the utility model can effectively remove water in the tail gas, avoid bringing water into a chimney, recover water, ensure normal emission of the tail gas and avoid damage of the tail gas pipeline caused by liquid impact of water in the tail gas pipeline.
Description
Technical Field
The utility model relates to the technical field of low-temperature methanol washing, in particular to a device for removing water in a tail gas pipeline.
Background
A low temperature methanol washing apparatus is a device for absorbing acid gas by methanol. In order to maintain the absorption capacity of methanol for acid gases while reducing the volume circulation while using the apparatus, the apparatus is typically operated in a low temperature environment. The gas passing through H 2 After S concentration tower treatment, methanol and H are generated 2 Tail gas of S and other substances. After the tail gas is subjected to water washing treatment of the tail gas water washing tower, the tail gas can be directly discharged into the atmosphere under the condition of meeting the discharge requirement. The tail gas treated by the tail gas water scrubber can carry a large amount of water gas into a tail gas main pipeline, and the water gas is condensed and liquefied into drops in the pipeline. When the water drops move in the pipeline and reach a certain speed, the pipeline can be subjected to liquid impact, so that the tail gas pipeline is damaged under the impact of the liquid impact. When water drops are converged into water flow, the water flows in the chimney can be flooded, and the normal emission of tail gas is affected, so that the problem needs to be solved.
Disclosure of Invention
In order to avoid and overcome the technical problems in the prior art, the utility model provides the device for removing the water in the tail gas pipeline, which can effectively remove the water in the tail gas, avoid bringing the water into a chimney, recover the water, ensure the normal emission of the tail gas and avoid the damage of the tail gas pipeline caused by the liquid impact of the water in the tail gas pipeline.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a take water device in desorption tail gas pipeline, includes the parallel pipeline of arranging in parallel at tail gas main pipeline side, and this parallel pipeline department has arranged water vapour separation valve, is used for realizing the water vapour separation operation's water vapour separation module and water vapour separation valve in proper order along tail gas travel path, still is provided with the ooff valve on the one section tail gas main pipeline that is located between the access end of parallel pipeline and the access end.
As still further aspects of the utility model: the water-gas separation module comprises a water-gas separation tank and a demister positioned in the water-gas separation tank.
As still further aspects of the utility model: the water-gas separation device comprises a serial pipeline connected to a water outlet of a water-gas separation module, wherein water-gas separation liquid-phase pipeline valves and a water delivery pump for realizing pressurized water delivery are sequentially arranged at the serial pipeline along a water outlet travelling path.
As still further aspects of the utility model: the water-gas separation device comprises a water backflow module, wherein the water backflow module comprises a backflow pipeline arranged beside the water-gas separation module, two ends of the backflow pipeline are connected with a water-gas separation tank and a pump outlet pipeline, a backflow valve is arranged on the backflow pipeline, and the backflow module further comprises a pump outlet electromagnetic valve for controlling a water outlet end.
As still further aspects of the utility model: a water-gas separating tank liquid level meter for monitoring the liquid level in the water-gas separating tank is arranged beside the water-gas separating tank.
As still further aspects of the utility model: the signal sending end formed by the water-gas separation tank liquid level meter and the pump outlet electromagnetic valve is the control end of the pump outlet electromagnetic valve.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model can effectively remove a large amount of water carried in the tail gas, thereby effectively preventing water from condensing in the pipeline, avoiding flooding of a chimney and avoiding damage of a tail gas pipeline caused by water hammer in the pipeline.
2. The utility model pressurizes the separated water by the water delivery pump, so that the separated water can enter the methanol-water separation tower for recycling.
3. According to the utility model, the reflux module is added, so that the liquid level in the water-gas separation tank is low, the electromagnetic valve of the pump outlet is closed, and the reflux valve is opened, thereby ensuring that the water conveying pump can normally operate.
4. The utility model realizes the linkage control function of the water-gas separation liquid level meter, the reflux valve and the pump outlet electromagnetic valve by adding the water-gas separation tank liquid level meter and electrically connecting the control end of the pump outlet electromagnetic valve.
Drawings
FIG. 1 is a schematic diagram of a device for removing tail gas line water.
1. A tail gas main line; 2. a tail gas main line valve; 3. a water inlet gas separation pipeline; 4. a water inlet gas separation valve; 5. a water-gas separation tank; 6. a water-gas separation level gauge; 7. a water-gas separation pipeline; 8. a water-gas separation valve; 9. a water-gas separation liquid phase pipeline; 10. a water-gas separation liquid phase pipeline valve; 11. a water delivery pump; 12. a pump outlet line; 13. a pump outlet electromagnetic valve; 14. a return line; 15. a return valve; 16. a foam remover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present utility model is a device for removing water in a tail gas pipeline, which mainly includes a parallel pipeline arranged beside a tail gas main pipeline 1, a water inlet and gas separation valve 4 arranged on the parallel pipeline, a water-gas separation tank 5 connected behind the water inlet and gas separation valve 4 for implementing water-gas separation operation, a foam remover 16 positioned inside the water-gas separation tank 5, a water outlet and gas separation valve 8 arranged on a water outlet and gas separation pipeline 7 connected to a tail gas outlet of the water-gas separation tank 5, and a switch valve arranged on a section of tail gas main pipeline between an inlet end and an outlet end of the parallel pipeline.
The water outlet of the water-gas separation tank is provided with a serial pipeline, a water-gas separation liquid phase pipeline valve 10 and a water delivery pump 11 for realizing pressurized delivery of water are connected to the serial pipeline, and the separated water is delivered to the methanol-water separation tower for recycling after being pressurized by the pump. The device also comprises a backflow module, wherein the backflow module comprises a backflow pipeline 14 arranged beside the water-gas separation tank, two ends of the backflow pipeline 14 are connected with the water-gas separation tank 5 and the pump outlet pipeline 12, a backflow valve 15 is arranged on the backflow pipeline 14, and the backflow module also comprises a pump outlet electromagnetic valve 13 which is positioned at the pump outlet pipeline 12 and is connected with a control water outlet end; a water-gas separating tank liquid level gauge 6 for monitoring the liquid level in the water-gas separating tank 5 is arranged beside the water-gas separating tank 5; the signal sending end formed by the water-gas separation tank liquid level meter 6 is electrically connected with the control end of the pump opening electromagnetic valve 13.
The tail gas enters a tail gas main pipeline 1, a tail gas main pipeline 2 is closed, the tail gas enters a tail gas water inlet and gas separation tank pipeline 3, a valve 4 of the water inlet and gas separation tank is opened, the tail gas is sent into a water and gas separation tank 5 and passes through a demister 16, and water in the tail gas is separated; opening a separating tank valve 8, and sending the separated tail gas without water into a tail gas main pipe 1 through a water and gas separating tank pipeline 7, and then discharging through a chimney; the separated water flows into a liquid phase pipeline 9 at the bottom of the water-gas separation tank, a liquid phase pipeline valve 10 at the bottom of the water-gas separation tank is opened to enter a water delivery pump 11, the water is delivered into an outlet pipeline 12 of the pump after being pressurized by the water delivery pump 11, an outlet electromagnetic valve 13 of the pump is opened, and the water is delivered to a methanol-water separation tower for recycling.
When the liquid level in the water-gas separation tank 5 is low, the pump outlet electromagnetic valve 13 is closed, and meanwhile, after the reflux valve 15 is opened, the separated water flows back into the water-gas separation tank 5, so that the water in the water-gas separation tank 5 is kept at a high water level and continuously works until the separated water in the water-gas separation tank 5 is supplemented, the liquid level in the water-gas separation tank 5 rises to a preset height, and when the water level rising to the preset height is detected by the water-gas separation liquid level meter 6, the pump outlet electromagnetic valve 13 is controlled to be automatically opened, and the water is sent to the methanol-water separation tower for recycling.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a take water installation in desorption tail gas pipeline which characterized in that: the device comprises parallel pipelines which are arranged beside a tail gas main pipeline (1), wherein a water inlet gas separation valve (4), a water gas separation module for realizing water gas separation operation and a water outlet gas separation valve (8) are sequentially arranged at the parallel pipelines along a tail gas advancing path, and a section of tail gas main pipeline between an access end and an access end of the parallel pipelines is also provided with a switch valve.
2. The water carrying device in a tail gas removal pipeline according to claim 1, wherein: the water-gas separation module comprises a water-gas separation tank (5) and a foam remover (16) positioned in the water-gas separation tank (5).
3. The water carrying device in a tail gas removal pipeline according to claim 2, wherein: comprises a serial pipeline connected with a water outlet of the water-gas separation module, and a water-gas separation liquid-phase pipeline valve (10) and a water delivery pump (11) for realizing pressurized water delivery are sequentially arranged at the serial pipeline along a water outlet travelling path.
4. A water carrying device in a tail gas removal line according to claim 2 or 3, wherein: the water-gas separation device comprises a water backflow module, wherein the water backflow module comprises a backflow pipeline (14) arranged beside the water-gas separation module, two ends of the backflow pipeline (14) are connected with a water-gas separation tank (5) and a pump outlet pipeline (12), a backflow valve (15) is arranged on the backflow pipeline (14), and the water backflow module further comprises a pump outlet electromagnetic valve (13) which is positioned at a pump outlet pipeline (12) and controls a water outlet end.
5. The water carrying device in a tail gas removal pipeline according to claim 4, wherein: a water-gas separating tank liquid level meter (6) for monitoring the liquid level in the water-gas separating tank (5) is arranged beside the water-gas separating tank (5).
6. The water carrying device in the tail gas removal pipeline according to claim 5, wherein: the signal sending end formed by the water-gas separation tank liquid level meter (6) is electrically connected with the control end of the electromagnetic valve (13) at the pump port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733274.6U CN220119169U (en) | 2023-04-06 | 2023-04-06 | Water carrying device in tail gas removal pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320733274.6U CN220119169U (en) | 2023-04-06 | 2023-04-06 | Water carrying device in tail gas removal pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220119169U true CN220119169U (en) | 2023-12-01 |
Family
ID=88915382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320733274.6U Active CN220119169U (en) | 2023-04-06 | 2023-04-06 | Water carrying device in tail gas removal pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220119169U (en) |
-
2023
- 2023-04-06 CN CN202320733274.6U patent/CN220119169U/en active Active
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