CN214369321U - Chromatogram tail gas recovery processing system - Google Patents
Chromatogram tail gas recovery processing system Download PDFInfo
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- CN214369321U CN214369321U CN202023131526.3U CN202023131526U CN214369321U CN 214369321 U CN214369321 U CN 214369321U CN 202023131526 U CN202023131526 U CN 202023131526U CN 214369321 U CN214369321 U CN 214369321U
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- air inlet
- jet pump
- tail gas
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Abstract
The utility model provides a chromatogram tail gas recovery processing system, include: the nitrogen gas jar, retrieve the jar, the jet pump, filter the relief pressure valve, first definite value ware, second definite value ware and automatic flowing back valve, the nitrogen gas jar sets up with the jet pump is parallelly connected, nitrogen gas jar air inlet and the first air inlet of jet pump are respectively through pipeline and nitrogen gas input port connection, filter the relief pressure valve and install on the pipeline of nitrogen gas input port, first definite value ware is installed in nitrogen gas jar air inlet department, the first air inlet department at the jet pump is installed to the second definite value ware, pass through the pipe connection between the air inlet of retrieving the jar and the chromatogram tail gas export, the second air inlet of pipeline and jet pump is passed through to the gas outlet of retrieving the jar is connected, the gas outlet of jet pump passes through the feed inlet of pipe connection to torch, the liquid outlet at the recovery jar is installed to automatic flowing back valve. The chromatographic tail gas recovery treatment system can recover part of tail gas in a chromatograph, can also perform combustion treatment on the incompletely recovered tail gas, and is economical and environment-friendly.
Description
Technical Field
The utility model relates to a chromatogram tail gas treatment technical field, concretely relates to chromatogram tail gas recovery processing system.
Background
When the chromatograph is used for quantitative and qualitative analysis, a certain amount of toxic and harmful gas (including mercury vapor, gaseous hydride and metal compounds) can be generated, and along with a part of heat, the toxic and harmful gas has potential threat to the body health of laboratory personnel, the generated heat is gathered to generate certain influence on the service life of a working lamp in the atomic gasification chamber, the test result is unstable and inaccurate, and therefore, the purification, absorption and heat dissipation treatment of the tail gas of the chromatograph is very necessary.
Under the general condition, chromatograph tail gas absorbing device all adopts simple wide-mouth ventilation absorption to handle, adopts some equipment such as ventilation kitchen, fan to directly absorb tail gas promptly, and traditional technique adopts non-closed processing, can not absorb these poisonous and harmful gas completely, has great potential safety hazard to the healthy existence of experimenter.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides a chromatogram tail gas recovery processing system both can retrieve the partial tail gas in the chromatogram, also can carry out combustion processing, not only economy but also environmental protection to retrieving incomplete tail gas.
In order to realize the technical proposal, the utility model provides a chromatogram tail gas recovery processing system, which comprises a nitrogen tank, a recovery tank, a jet pump, a filter pressure reducing valve, a first valuator, a second valuator and an automatic liquid discharge valve, wherein the nitrogen tank is connected with the jet pump in parallel, the air inlet of the nitrogen tank and the first air inlet of the jet pump are respectively connected with a nitrogen input port through pipelines, the filter pressure reducing valve is arranged on the pipeline of the nitrogen input port, the first valuator is arranged at the air inlet of the nitrogen tank, the second valuator is arranged at the first air inlet of the jet pump, a first ball valve is arranged on the pipeline connecting the filter pressure reducing valve and the first valuator, a fourth ball valve is arranged on the pipeline connecting the filter pressure reducing valve and the second valuator, the air outlet of the nitrogen tank and the first air inlet of the recovery tank are connected through pipelines, a third ball valve is arranged on the pipeline connecting the air outlet of the nitrogen tank and the first air inlet of the recovery tank, the second air inlet of the recovery tank is connected with the chromatographic tail gas outlet through a pipeline, the first flow regulating valve is installed on a connecting pipeline between the second air inlet of the recovery tank and the chromatographic tail gas outlet, the gas outlet of the recovery tank is connected with the second air inlet of the jet pump through a pipeline, the second flow regulating valve is installed on a pipeline connected with the second air inlet of the recovery tank, the gas outlet of the jet pump is connected to a feed inlet of a torch through a pipeline, the sixth ball valve is installed on a pipeline connected between the gas outlet of the jet pump and the feed inlet of the torch, and the automatic liquid discharge valve is installed at the liquid outlet of the recovery tank.
In above-mentioned technical scheme, jet pump is with nitrogen gas as power, take out into certain vacuum with chromatogram tail gas recovery tank, make chromatogram tail gas take out recovery tank storage, cooperation between first valuator and the second valuator, the volume that can the interior tail gas of accurate control recovery tank was retrieved, unnecessary tail gas is carried to the torch pipeline through the jet pump and is carried out combustion process, in order to guarantee not to influence chromatography, prevent that recovery tank vacuum is too high, increase the vacuum that the nitrogen gas jar comes the balanced recovery tank, make the vacuum of recovery tank invariable at the within range of settlement, fully retrieve tail gas under the condition of normal operating with the chromatographic analyzer.
Preferably, a first rotameter is arranged on a pipeline between the first flow regulating valve and the second air inlet of the recovery tank, a second rotameter is arranged on a pipeline connecting the third ball valve and the first air inlet of the recovery tank, and a third rotameter is arranged on a pipeline connecting the second flow regulating valve and the second air inlet of the jet pump. The flow of gas in each pipeline can be reflected in real time through each arranged rotor flow meter, so that the gas flow in the pipeline can be better controlled through the first flow regulating valve and the second flow regulating valve.
Preferably, a first check valve is installed on a pipeline connected between the first flow regulating valve and the first rotor flowmeter, a second check valve is installed on a pipeline connected between the third ball valve and the second rotor flowmeter, a third check valve is installed on a pipeline connected between the second flow regulating valve and the third rotor flowmeter, and a fourth check valve is installed on a pipeline connected between the jet pump and the sixth ball valve. Through setting up the check valve, can effectively prevent the gas refluence, strengthen entire system's security performance.
Preferably, a first pressure gauge is installed at a discharge port of the filtering and pressure reducing valve, a second pressure gauge is installed on the nitrogen tank, a third pressure gauge is installed on the recycling tank, and a fourth pressure gauge is installed on a pipeline connected between the second valuator and the third flow regulating valve. The pressure in each pipeline and the container can be monitored in real time by arranging the pressure gauge, and the safety of the system is ensured.
Preferably, a second ball valve is arranged at the sewage draining port of the nitrogen tank.
Preferably, a fifth ball valve is arranged on a pipeline connected between the automatic drain valve and the drain outlet of the recovery tank.
The utility model provides a pair of chromatogram tail gas recovery processing system's beneficial effect lies in: the chromatographic tail gas recovery processing system is simple in structure and ingenious in design, can recover partial tail gas in a chromatograph, can also perform combustion processing on the tail gas which is not completely recovered, and is economical and environment-friendly. During actual operation, the efflux pump is with nitrogen gas as power, take out chromatogram tail gas recovery tank into certain vacuum, make chromatogram tail gas take out recovery tank storage, cooperation through between first valuator and the second valuator, the volume that can the interior tail gas of accurate control recovery tank was retrieved, unnecessary tail gas is carried to the torch pipeline through the efflux pump and is carried out combustion process, in order to guarantee not to influence chromatographic analysis, prevent that recovery tank vacuum is too high, increase the vacuum that the nitrogen gas jar comes the balanced recovery tank, make the vacuum of recovery tank invariable at the within range of settlement, fully retrieve tail gas under the condition of normal operating with the chromatogram appearance with guaranteeing.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
In the figure: 1. a nitrogen tank; 2. a recovery tank; 3. a jet pump; 4. a filtering pressure reducing valve; 5. a first ball valve; 6. a first setter; 7. a first flow regulating valve; 8. a first rotor flowmeter; 9. a second ball valve; 10. a third ball valve; 11. a second rotameter; 12. a second flow regulating valve; 13. a third rotameter; 14. a fourth ball valve; 15. a second valuator; 16. a third flow rate regulating valve; 17. a fifth ball valve; 18. an automatic drain valve; 19. a sixth ball valve; 20. a first check valve; 21. a second one-way valve; 22. a third check valve; 23. a fourth check valve; 24. a first pressure gauge; 25. a second pressure gauge; 26. a third pressure gauge; 27. and a fourth pressure gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.
Example (b): a chromatographic tail gas recovery processing system.
Referring to fig. 1, a chromatogram tail gas recovery processing system comprises a nitrogen tank 1, a recovery tank 2, a jet pump 3, a filtering pressure reducing valve 4, a first setter 6, a second setter 15 and an automatic drain valve 18, wherein the nitrogen tank 1 is connected with the jet pump 3 in parallel, an air inlet of the nitrogen tank 1 and a first air inlet of the jet pump 3 are respectively connected with a nitrogen input port through pipelines, the filtering pressure reducing valve 4 is installed on a pipeline of the nitrogen input port, the first setter 6 is installed at an air inlet of the nitrogen tank 1, the second setter 15 is installed at a first air inlet of the jet pump 3, a first ball valve 5 is installed on a pipeline connecting the filtering pressure reducing valve 4 with the first setter 6, a fourth ball valve 14 is installed on a pipeline connecting the filtering pressure reducing valve 4 with the second setter 15, an air outlet of the nitrogen tank 1 is connected with the first air inlet of the recovery tank 2 through a pipeline, a third ball valve 10 is installed on a pipeline connecting an air outlet of the nitrogen tank 1 with the first air inlet of the recovery tank 2, the second air inlet of the recovery tank 2 is connected with the chromatogram tail gas outlet through a pipeline, a first flow regulating valve 7 is arranged on a connecting pipeline between the second air inlet of the recovery tank 2 and the chromatogram tail gas outlet, the air outlet of the recovery tank 2 is connected with the second air inlet of the jet pump 3 through a pipeline, a second flow regulating valve 12 is arranged on a pipeline between the air outlet of the recovery tank 2 and the second air inlet of the jet pump 3, the air outlet of the jet pump 3 is connected with the feed inlet of a torch through a pipeline, a sixth ball valve 19 is arranged on a pipeline between the air outlet of the jet pump 3 and the feed inlet of the torch, an automatic liquid discharge valve 18 is arranged on the liquid outlet of the recovery tank 2, a fifth ball valve 17 is arranged on a pipeline between the automatic liquid discharge valve 18 and the liquid discharge outlet of the recovery tank 2, a second ball valve 9 is arranged at the sewage discharge outlet of the nitrogen tank 1, and a first rotor flowmeter 8 is arranged on a pipeline between the first flow regulating valve 7 and the second air inlet of the recovery tank 2, a second rotor flow meter 11 is arranged on a pipeline of the third ball valve 10 connected with the first air inlet of the recovery tank 2, a third rotor flow meter 13 is arranged on a pipeline of the second flow regulating valve 12 connected with the second air inlet of the jet pump 3, and the flow of gas in each pipeline can be reflected in real time through the arranged rotor flow meters, so that the gas flow in the pipeline can be better controlled through the first flow regulating valve 7 and the second flow regulating valve 12; a first check valve 20 is arranged on a pipeline connected between the first flow regulating valve 7 and the first rotor flowmeter 8, a second check valve 21 is arranged on a pipeline connected between the third ball valve 10 and the second rotor flowmeter 11, a third check valve 22 is arranged on a pipeline connected between the second flow regulating valve 12 and the third rotor flowmeter 13, a fourth check valve 23 is arranged on a pipeline connected between the jet pump 3 and the sixth ball valve 19, and by arranging the check valves, gas backflow can be effectively prevented, and the safety performance of the whole system is enhanced; the discharge gate department of filtering and reducing valve 4 installs first manometer 24, installs second manometer 25 on the nitrogen gas jar 1, installs third manometer 26 on the recovery jar 2, installs fourth manometer 27 on the pipeline of being connected between second constant value ware 15 and the third flow control valve 16, can real-time supervision each pipeline and the pressure in the container through setting up the manometer, ensures system safety.
The chromatographic tail gas recovery processing system is simple in structure and ingenious in design, can recover partial tail gas in a chromatograph, can also perform combustion processing on the tail gas which is not completely recovered, and is economical and environment-friendly. In actual work, jet pump 3 is as power with nitrogen gas, take out into certain vacuum with chromatogram tail gas recovery tank 2, make chromatogram tail gas take out recovery tank 2 and store, cooperation between first valuator 6 and second valuator 15, the volume that can 2 interior tail gas of accurate control recovery tank retrieve, unnecessary tail gas is carried to the torch pipeline through jet pump 3 and is carried out combustion process, do not influence chromatographic analysis in order to guarantee, prevent that recovery tank 2 vacuum is too high, increase nitrogen gas tank 1 and come the vacuum of balanced recovery tank 2, make recovery tank 2's vacuum invariant in the within range of settlement, fully retrieve tail gas under the condition of normal operating with the chromatographic analyzer.
The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the accompanying drawings, and therefore, all equivalents and modifications that can be accomplished without departing from the spirit of the present invention are within the protection scope of the present invention.
Claims (6)
1. The utility model provides a chromatogram tail gas recovery processing system, includes nitrogen gas jar, recovery jar, jet pump, filters relief pressure valve, first valuator, second valuator and automatic flowing back valve, its characterized in that: the nitrogen tank is connected with the jet pump in parallel, an air inlet of the nitrogen tank and a first air inlet of the jet pump are respectively connected with the nitrogen input port through pipelines, the filtering and reducing valve is arranged on the pipeline of the nitrogen input port, the first valuator is arranged at the air inlet of the nitrogen tank, the second valuator is arranged at the first air inlet of the jet pump, a first ball valve is arranged on the pipeline connected with the filtering and reducing valve and the first valuator, a fourth ball valve is arranged on the pipeline connected with the second valuator, an air outlet of the nitrogen tank is connected with the first air inlet of the recovery tank through a pipeline, a third ball valve is arranged on the pipeline connected with the air outlet of the nitrogen tank and the first air inlet of the recovery tank, a second air inlet of the recovery tank is connected with the tail gas outlet of the chromatogram through a pipeline, and a first flow regulating valve is arranged on the connecting pipeline between the second air inlet of the recovery tank and the tail gas outlet of the chromatogram, the gas outlet of the recovery tank is connected with the second gas inlet of the jet pump through a pipeline, the second flow regulating valve is installed on the pipeline connecting the gas outlet of the recovery tank with the second gas inlet of the jet pump, the gas outlet of the jet pump is connected to the feed inlet of a torch through a pipeline, the sixth ball valve is installed on the pipeline connecting the gas outlet of the jet pump and the feed inlet of the torch, and the automatic liquid discharge valve is installed at the liquid outlet of the recovery tank.
2. The chromatographic tail gas recovery processing system of claim 1, characterized in that: and a first rotor flowmeter is arranged on a pipeline between the first flow regulating valve and the second air inlet of the recovery tank, a second rotor flowmeter is arranged on a pipeline connecting the third ball valve and the first air inlet of the recovery tank, and a third rotor flowmeter is arranged on a pipeline connecting the second flow regulating valve and the second air inlet of the jet pump.
3. The chromatographic tail gas recovery processing system according to claim 2, characterized in that: a first one-way valve is installed on a pipeline connected between the first flow regulating valve and the first rotor flowmeter, a second one-way valve is installed on a pipeline connected between the third ball valve and the second rotor flowmeter, a third one-way valve is installed on a pipeline connected between the second flow regulating valve and the third rotor flowmeter, and a fourth one-way valve is installed on a pipeline connected between the jet pump and the sixth ball valve.
4. The chromatographic tail gas recovery processing system according to claim 3, characterized in that: the discharge port of the filtering and pressure reducing valve is provided with a first pressure gauge, the nitrogen tank is provided with a second pressure gauge, the recovery tank is provided with a third pressure gauge, and a fourth pressure gauge is arranged on a pipeline connected between the second valuator and the third flow regulating valve.
5. The chromatographic tail gas recovery processing system of claim 1, characterized in that: and a second ball valve is arranged at a sewage discharge port of the nitrogen tank.
6. The chromatographic tail gas recovery processing system of claim 1, characterized in that: and a fifth ball valve is arranged on a pipeline connected between the automatic drain valve and the drain outlet of the recovery tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023131526.3U CN214369321U (en) | 2020-12-23 | 2020-12-23 | Chromatogram tail gas recovery processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023131526.3U CN214369321U (en) | 2020-12-23 | 2020-12-23 | Chromatogram tail gas recovery processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214369321U true CN214369321U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023131526.3U Active CN214369321U (en) | 2020-12-23 | 2020-12-23 | Chromatogram tail gas recovery processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214369321U (en) |
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2020
- 2020-12-23 CN CN202023131526.3U patent/CN214369321U/en active Active
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