CN221038887U - Sulfur hexafluoride production gas filtering and detecting device - Google Patents
Sulfur hexafluoride production gas filtering and detecting device Download PDFInfo
- Publication number
- CN221038887U CN221038887U CN202322679189.9U CN202322679189U CN221038887U CN 221038887 U CN221038887 U CN 221038887U CN 202322679189 U CN202322679189 U CN 202322679189U CN 221038887 U CN221038887 U CN 221038887U
- Authority
- CN
- China
- Prior art keywords
- sulfur hexafluoride
- detecting device
- gas
- removal tank
- acid removal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 31
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 title claims abstract description 24
- 239000002253 acid Substances 0.000 claims abstract description 49
- 239000003513 alkali Substances 0.000 claims abstract description 26
- 230000001502 supplementing effect Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 59
- 239000000428 dust Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the technical field of gas detection devices, and particularly relates to a sulfur hexafluoride production gas filtering detection device. The sulfur hexafluoride production gas filtering and detecting device comprises an acid removal tank (1), a water remover (2) and a dryer (3), wherein the acid removal tank (1) is connected with the water remover (2), the water remover (2) is connected with the dryer (3), an alkali supplementing cup (5) is arranged on the acid removal tank (1), a liquid level meter (7) is arranged on the acid removal tank (1), and a drain pipe (13) is arranged on the acid removal tank (1). The filtering and detecting device for the sulfur hexafluoride production gas provided by the utility model prolongs the service life of the gas chromatograph and recovers three wastes.
Description
Technical Field
The utility model belongs to the technical field of gas detection devices, and particularly relates to a sulfur hexafluoride production gas filtering detection device.
Background
Sulfur hexafluoride (SF 6) gas is colorless gas, has excellent arc extinguishing performance and good electric insulation performance, and is a new generation ultrahigh voltage insulation medium material superior to air and oil. Sulfur hexafluoride is used in circuit breaker, high voltage transformer, mutual inductor, high voltage transmission line, gas sealing combined capacitor, etc. with excellent insulating performance and arc extinguishing performance. Electronic grade high purity sulfur hexafluoride is an ideal electronic etchant used in microelectronics technology. The preparation method is generally obtained by directly combining elemental fluorine and sulfur, and other fluorides generated in the reaction process can be subjected to aftertreatment such as heating to obtain sulfur hexafluoride. In the production process, sulfur hexafluoride gas needs to be monitored on line, so that the purity of the sulfur hexafluoride gas is controlled.
At present, the gas chromatograph on-line detection is realized by directly connecting the gas chromatograph with a production system through a sampling pipeline and then detecting. However, other impurities in the generated gas are easy to block an internal filter column and a pipeline of the gas chromatograph after the gas is used for a long time, so that inaccurate results are caused, and the service life of equipment is seriously influenced.
CN203606328U discloses a gas chromatograph measuring device for sulfur hexafluoride decomposition products, the input ends of the first six-way quantitative valve and the second six-way quantitative valve are connected with sulfur hexafluoride gas, the output end of the first six-way quantitative valve is sequentially connected with the thermal conductivity cell measuring arm through the first sample inlet and the first chromatographic column, the output end of the second six-way quantitative valve is sequentially connected with the FPD detector through the second sample inlet and the second chromatographic column, the air inlet end of the drying tube is connected with carrier gas, the output end is respectively connected with the input end of the second six-way quantitative valve and the thermal conductivity cell reference arm, and the output end of the thermal conductivity cell reference arm is connected with the input end of the first six-way quantitative valve. The device is only dried before entering the gas chromatograph, but impurities in the device are not removed, and the problem of blockage of the gas chromatograph is avoided.
Disclosure of utility model
The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing a sulfur hexafluoride production gas filtering and detecting device, which prolongs the service life of a gas chromatograph and recovers three wastes.
The sulfur hexafluoride production gas filtering and detecting device comprises an acid removal tank, a water remover and a dryer, wherein the acid removal tank is connected with the water remover, the water remover is connected with the dryer, an alkali supplementing cup is arranged on the acid removal tank, a liquid level meter is arranged on the acid removal tank, and a drain pipe is arranged on the acid removal tank. The interior of the dryer is filled with silica gel particles. The acid removing tank, the dehydrator and the dryer are used for filtering and removing dust impurities and acid gas in the gas. The water remover is internally provided with foam-catching filler, so that the moisture carried by the gas when the gas comes out of the acid removal tank is removed.
Preferably, the acid removal tank is provided with an air inlet and an air outlet. The acid removal tank is internally filled with potassium hydroxide solution.
Preferably, the acid removal tank is connected with the production system, and a gas valve is arranged between the acid removal tank and the production system.
Preferably, the outlet of the dryer is connected with the gas chromatograph, and an air outlet valve is arranged between the outlet and the gas chromatograph.
Preferably, an air inlet valve is arranged between the dehydrator and the dryer.
Preferably, an alkali supplementing valve is arranged between the acid removing tank and the alkali supplementing cup.
Preferably, the drain pipe is provided with a drain valve.
When the sulfur hexafluoride production gas filtering and detecting device works, gas from a production system firstly enters the acid removal tank from the gas inlet, then sequentially enters the dehydrator and the dryer to remove dust impurities and acid gas in the gas, and then enters the gas chromatograph to be monitored on line. The alkali supplementing cup arranged on the acid removing tank is filled with potassium hydroxide solution with the mass concentration of 2% -15%, alkali liquor is filled in the alkali supplementing cup when alkali is replaced, the blow-down valve is opened first, then the alkali supplementing valve of the alkali supplementing cup is opened, waste alkali is replaced out of the acid removing tank, and air entering the acid removing tank is prevented from influencing detection.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the sulfur hexafluoride production gas filtering and detecting device, the acid removal tank is arranged to remove dust and acid gas carried by material gas to be detected, so that dust is prevented from entering the filter column and the sample injection pipeline of the gas chromatograph.
(2) According to the sulfur hexafluoride production gas filtering and detecting device, the dehydrator and the dryer are arranged to remove moisture carried by material gas to be detected, so that the moisture is prevented from entering the gas chromatograph.
(3) According to the sulfur hexafluoride production gas filtering and detecting device, waste liquid generated by the acid removal tank is recycled through the fluoride salt recycling device, so that zero emission of three wastes is achieved.
Drawings
FIG. 1 is a schematic diagram of a sulfur hexafluoride process gas filtering and detecting device according to the present utility model;
In the figure: 1. an acid removal tank; 2. a water remover; 3. a dryer; 4. an air inlet; 5. an alkali supplementing cup; 6. a blow-down valve; 7. a liquid level gauge; 8. an air outlet; 9. an alkali supplementing valve; 10. an air outlet valve; 11. a gas chromatograph; 12. an air inlet valve; 13. a blow-down pipe; 14. a gas valve; 15. a production system.
Detailed Description
The utility model is further illustrated below with reference to examples.
Example 1
As shown in fig. 1, the sulfur hexafluoride production gas filtering and detecting device comprises an acid removal tank 1, a water remover 2 and a dryer 3, wherein the acid removal tank 1 is connected with the water remover 2, the water remover 2 is connected with the dryer 3, an alkali supplementing cup 5 is arranged on the acid removal tank 1, a liquid level meter 7 is arranged on the acid removal tank 1, and a drain pipe 13 is arranged on the acid removal tank 1. The inside of the dryer 3 is filled with silica gel particles. The acid removing tank 1, the dehydrator 2 and the dryer 3 are used for filtering and removing dust impurities and acid gases in the gas. The water remover 2 is internally provided with foam-catching filler, and removes the moisture entrained when the gas comes out of the acid removal tank 1.
The acid removal tank 1 is provided with an air inlet 4 and an air outlet 8. The acid removal tank 1 is internally filled with potassium hydroxide solution.
The acid removal tank 1 is connected with a production system 15, and a gas valve 14 is arranged between the acid removal tank and the production system.
The outlet of the dryer 3 is connected with a gas chromatograph 11, and an air outlet valve 10 is arranged between the outlet and the gas chromatograph.
An air inlet valve 12 is arranged between the dehydrator 2 and the dryer 3.
An alkali supplementing valve 9 is arranged between the acid removing tank 1 and the alkali supplementing cup 5.
The blow-down pipe 13 is provided with a blow-down valve 6.
When the sulfur hexafluoride production gas filtering and detecting device works, gas from the production system 15 firstly enters the acid removal tank 1 from the gas inlet 4, then sequentially enters the dehydrator 2 and the dryer 3, dust impurities and acid gas in the gas are removed, and then enters the gas chromatograph 11 for on-line monitoring. The alkali supplementing cup 5 arranged on the acid removal tank 1 is filled with potassium hydroxide solution with the mass concentration of 2% -15%, alkali liquor is filled in the alkali supplementing cup 5 when alkali is replaced, the blow-down valve 6 is opened firstly, then the alkali supplementing valve 9 of the alkali supplementing cup 5 is opened, waste alkali is replaced out of the acid removal tank 1, and the influence on detection caused by air entering the acid removal tank 1 is avoided.
The sulfur hexafluoride production gas filtering and detecting device greatly prolongs the service life of the gas chromatograph filter column.
Of course, the foregoing is merely preferred embodiments of the present utility model and is not to be construed as limiting the scope of the embodiments of the present utility model. The present utility model is not limited to the above examples, and those skilled in the art will appreciate that the present utility model is capable of equally varying and improving within the spirit and scope of the present utility model.
Claims (7)
1. The utility model provides a sulfur hexafluoride production gas filters detection device which characterized in that: including deacidification jar (1), dehydrator (2), desicator (3), deacidification jar (1) be connected with dehydrator (2), dehydrator (2) be connected with desicator (3), deacidification jar (1) on be provided with and mend alkali cup (5), deacidification jar (1) on be provided with level gauge (7), deacidification jar (1) on be provided with blow off pipe (13).
2. The sulfur hexafluoride process gas filtering and detecting device of claim 1, wherein: the acid removal tank (1) is provided with an air inlet (4) and an air outlet (8).
3. The sulfur hexafluoride process gas filtering and detecting device of claim 1, wherein: the acid removal tank (1) is connected with a production system (15), and a gas valve (14) is arranged between the acid removal tank and the production system.
4. The sulfur hexafluoride process gas filtering and detecting device of claim 1, wherein: the outlet of the dryer (3) is connected with a gas chromatograph (11), and an air outlet valve (10) is arranged between the outlet and the gas chromatograph.
5. The sulfur hexafluoride process gas filtering and detecting device of claim 1, wherein: an air inlet valve (12) is arranged between the dehydrator (2) and the dryer (3).
6. The sulfur hexafluoride process gas filtering and detecting device of claim 1, wherein: an alkali supplementing valve (9) is arranged between the acid removing tank (1) and the alkali supplementing cup (5).
7. The sulfur hexafluoride process gas filtering and detecting device of claim 1, wherein: a drain valve (6) is arranged on the drain pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679189.9U CN221038887U (en) | 2023-10-07 | 2023-10-07 | Sulfur hexafluoride production gas filtering and detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679189.9U CN221038887U (en) | 2023-10-07 | 2023-10-07 | Sulfur hexafluoride production gas filtering and detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221038887U true CN221038887U (en) | 2024-05-28 |
Family
ID=91175339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322679189.9U Active CN221038887U (en) | 2023-10-07 | 2023-10-07 | Sulfur hexafluoride production gas filtering and detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221038887U (en) |
-
2023
- 2023-10-07 CN CN202322679189.9U patent/CN221038887U/en active Active
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| GR01 | Patent grant | ||
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