CN220490485U - Chemical liquid material negative pressure sampling recovery system - Google Patents
Chemical liquid material negative pressure sampling recovery system Download PDFInfo
- Publication number
- CN220490485U CN220490485U CN202321916690.6U CN202321916690U CN220490485U CN 220490485 U CN220490485 U CN 220490485U CN 202321916690 U CN202321916690 U CN 202321916690U CN 220490485 U CN220490485 U CN 220490485U
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- negative pressure
- pipeline
- sampling
- tank
- chemical liquid
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- 238000005070 sampling Methods 0.000 title claims abstract description 54
- 239000011344 liquid material Substances 0.000 title claims abstract description 29
- 239000000126 substance Substances 0.000 title claims abstract description 24
- 238000011084 recovery Methods 0.000 title claims description 24
- 238000004064 recycling Methods 0.000 claims abstract description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 21
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- 238000012824 chemical production Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the technical field of chemical material liquid sampling and recycling, and particularly relates to a chemical liquid material negative pressure sampling and recycling system. The utility model comprises a negative pressure tank, a steam jet vacuum pump and a breathing tank, wherein the top of the negative pressure tank is provided with a nitrogen pipeline, a recycling barrel pipeline and a recycling header pipe, the top of the negative pressure tank is connected with the bottom of the breathing tank through a pipeline, the top of the breathing tank is connected with the steam jet vacuum pump through a pipeline, the recycling header pipe is provided with a plurality of sampling funnels, and the steam jet vacuum pump is provided with a medium-pressure steam inlet and a steam condenser. The utility model has convenient sampling and recycling operation and high safety.
Description
Technical Field
The utility model belongs to the technical field of chemical material liquid sampling and recycling, and particularly relates to a chemical liquid material negative pressure sampling and recycling system.
Background
In chemical production, due to the specificity of materials, the liquid chemical materials are stored in a tank usually and are in a nitrogen sealing state, and the transportation in the production process is also carried out by adopting a pumping pipe, so that a closed environment is maintained. However, sampling analysis is unavoidable, which may cause exposure of materials, and improper sampling operation may cause material overflow to cause environmental pollution, and may cause unstructured emission of VOCS when sampling volatile materials.
Aiming at extremely toxic or inflammable and explosive liquid materials, a closed sampling device is generally adopted for sampling, but the closed sampling cost is high, the operation is inconvenient, the sampling flow is quite complex, and the method is not suitable for sampling all chemical liquid materials, in particular for the liquid materials which occupy larger non-extremely toxic and non-inflammable and explosive materials in chemical production materials.
The sampling port of the liquid material which is not extremely toxic and flammable and explosive is usually arranged at the positive pressure position of the pump outlet, so that the sampling operation has great potential safety hazards, and if the valve is opened too much, the material flow is large, so that the waste and the environmental pollution are caused, and the person can be splashed; in addition, the liquid material after sampling analysis can be recovered, and the liquid material is usually recovered to the system in a dumping way when the liquid amount is small, and the liquid material needs to be recovered by means of tools when the liquid amount is large, so that time and labor are wasted, and the safety risk of splashing hurting people is also existed when the liquid material is recovered.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a chemical liquid material negative pressure sampling and recycling system which is convenient to sample and recycle and high in safety.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model relates to a chemical liquid material negative pressure sampling recovery system, which comprises a negative pressure tank, a steam jet vacuum pump and a respiration tank, wherein a nitrogen pipeline, a recovery barrel material pipeline and a recovery header pipe are arranged at the top of the negative pressure tank, the top of the negative pressure tank is connected with the bottom of the respiration tank through a pipeline, the top of the respiration tank is connected with the steam jet vacuum pump through a pipeline, the recovery header pipe is provided with a plurality of sampling funnels, and the steam jet vacuum pump is provided with a medium-pressure steam inlet and a steam condenser.
Preferably, the nitrogen line is provided with a valve.
Preferably, the recycling bin material pipeline is provided with a valve, and the tail end of the recycling bin material pipeline is connected with the metal hose and the recycling gun head.
Preferably, the bottom of the sampling funnel is provided with a valve, and the sampling funnel is arranged corresponding to the sampling port of the chemical liquid material storage tank.
Preferably, a valve is arranged on a connecting pipeline of the breathing tank and the steam jet vacuum pump.
Preferably, a valve is arranged on a connecting pipeline of the breathing tank and the negative pressure tank.
Preferably, the lower part of the negative pressure tank is connected with the centrifugal pump through a pipeline.
Preferably, the negative pressure tank is provided with a level gauge and a pressure gauge.
Preferably, the steam condenser is connected to the sewage system.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has convenient sampling and recycling operation, adopts a negative pressure system, avoids splashing of liquid materials to hurt people, and eliminates potential safety hazard; the negative pressure tank is led out of the recycling bin material pipeline, so that time and labor are saved for recycling a large amount of feed liquid such as a large bin, a tank and the like; the negative pressure tank is provided with a liquid level meter and a pressure gauge, and the amount of feed liquid in the tank and the negative pressure condition are monitored at any time; the nitrogen is adopted to break the negative pressure state, so that the material is protected.
Drawings
FIG. 1 is a schematic structural diagram of a chemical liquid material negative pressure sampling and recycling system;
in the figure: 1. a negative pressure tank; 2. a steam jet vacuum pump; 3. a breathing pot; 4. a nitrogen line; 5. a recycling bin material pipeline; 6. a recovery header; 7. a sampling funnel; 8. a medium pressure steam inlet; 9. a steam condenser; 10. and (3) a centrifugal pump.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1, the chemical liquid material negative pressure sampling and recycling system comprises a negative pressure tank 1, a steam jet vacuum pump 2 and a respiration tank 3, wherein a nitrogen pipeline 4, a recycling bin pipeline 5 and a recycling header 6 are arranged at the top of the negative pressure tank 1, the top of the negative pressure tank 1 is connected with the bottom of the respiration tank 3 through a pipeline, the top of the respiration tank 3 is connected with the steam jet vacuum pump 2 through a pipeline, the recycling header 6 is provided with 2 sampling points, the sampling points are provided with sampling funnels 7, and the steam jet vacuum pump 2 is provided with a medium-pressure steam inlet 8 and a steam condenser 9.
The nitrogen line 4 is provided with a valve.
The recycling bin material pipeline 5 is provided with a valve, and the tail end of the recycling bin material pipeline 5 is connected with a metal hose and a recycling gun head.
The bottom of the sampling funnel 7 is provided with a valve, and the sampling funnel 7 corresponds to the chemical liquid material storage tank sampling port.
The connecting pipeline of the breathing tank 3 and the steam jet vacuum pump 2 is provided with a valve.
The connecting pipeline of the breathing tank 3 and the negative pressure tank 1 is provided with a valve.
The lower part of the negative pressure tank 1 is connected with a centrifugal pump 10 through a pipeline.
The negative pressure tank 1 is provided with a liquid level meter and a pressure gauge.
The steam condenser 9 is connected with the sewage system.
The working process of the utility model comprises the following steps:
the negative pressure tank 1 is vacuumized by the steam jet vacuum pump 2, and a certain negative pressure state is kept daily, and at the moment, the valve of the nitrogen pipeline 4, the valve of the recovery header 6 and the valve of the recovery barrel material pipeline 5 are all closed.
During sampling, the sampling funnel 7 valve is opened, the sampling port valve of the chemical liquid material storage tank is opened, feed liquid is discharged into the sampling funnel 7, meanwhile, the negative pressure in the negative pressure tank 1 can suck feed liquid and VOCS into the negative pressure tank 1, the splashing of the feed liquid is avoided, the container is used for receiving the feed liquid at the sampling port, after sampling is completed, the sampling port valve of the chemical liquid material storage tank is closed, and after the feed liquid in the sampling funnel 7 is completely sucked into the negative pressure tank 1, the sampling funnel 7 valve is closed. During this process, the vapor jet vacuum pump 2 is continuously operated to maintain the negative pressure state in which the negative pressure tank 1 is kept stable.
When a large amount of feed liquid is recovered, a recovery gun head of a recovery barrel feed pipeline 5 is placed in a charging basket, a valve of the recovery barrel feed pipeline 5 is opened, the feed liquid is sucked to a negative pressure tank 1, in the process, a steam jet vacuum pump 2 continuously operates to keep the negative pressure tank 1 in a stable negative pressure state, the feed liquid in the charging basket is continuously sucked, and the valve of the recovery barrel feed pipeline 5 is closed until the recovery is finished.
When the liquid level gauge shows that the liquid in the negative pressure tank 1 reaches a specified liquid level, the valves on the steam jet vacuum pump 2 and the breathing tank 3 are closed, the valve of the nitrogen pipeline 4 is opened, nitrogen is filled, the negative pressure state of the negative pressure tank 1 is broken, the centrifugal pump 10 is opened, and the liquid is pumped to a recovery system for recovery.
Claims (8)
1. A chemical liquid material negative pressure sampling recovery system which is characterized in that: including negative pressure jar (1), steam jet vacuum pump (2) and breathing jar (3), negative pressure jar (1) top is equipped with nitrogen gas pipeline (4), recycling bin pipeline (5) and retrieves header (6), negative pressure jar (1) top is through pipeline connection breathing jar (3) bottom, breathe jar (3) top and pass through pipeline connection steam jet vacuum pump (2), retrieve header (6) and be equipped with a plurality of sample point, the sample point is equipped with sampling funnel (7), steam jet vacuum pump (2) are equipped with middling pressure steam inlet (8) and steam condenser (9).
2. The chemical liquid material negative pressure sampling recovery system according to claim 1, wherein: the nitrogen pipeline (4) is provided with a valve.
3. The chemical liquid material negative pressure sampling recovery system according to claim 1, wherein: the recycling bin material pipe (5) is provided with a valve, and the tail end of the recycling bin material pipe (5) is connected with a metal hose and a recycling gun head.
4. The chemical liquid material negative pressure sampling recovery system according to claim 1, wherein: the bottom of the sampling funnel (7) is provided with a valve.
5. The chemical liquid material negative pressure sampling recovery system according to claim 1, wherein: the connecting pipeline of the breathing tank (3) and the steam jet vacuum pump (2) is provided with a valve.
6. The chemical liquid material negative pressure sampling recovery system according to claim 1, wherein: the connecting pipeline of the breathing tank (3) and the negative pressure tank (1) is provided with a valve.
7. The chemical liquid material negative pressure sampling recovery system according to claim 1, wherein: the lower part of the negative pressure tank (1) is connected with a centrifugal pump (10) through a pipeline.
8. The chemical liquid material negative pressure sampling recovery system according to claim 1, wherein: the negative pressure tank (1) is provided with a liquid level meter and a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321916690.6U CN220490485U (en) | 2023-07-20 | 2023-07-20 | Chemical liquid material negative pressure sampling recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321916690.6U CN220490485U (en) | 2023-07-20 | 2023-07-20 | Chemical liquid material negative pressure sampling recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490485U true CN220490485U (en) | 2024-02-13 |
Family
ID=89832111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321916690.6U Active CN220490485U (en) | 2023-07-20 | 2023-07-20 | Chemical liquid material negative pressure sampling recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220490485U (en) |
-
2023
- 2023-07-20 CN CN202321916690.6U patent/CN220490485U/en active Active
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