CN104792723B - Absorption device and method of mineral oil in sulfur hexafluoride gas - Google Patents
Absorption device and method of mineral oil in sulfur hexafluoride gas Download PDFInfo
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- CN104792723B CN104792723B CN201510189490.9A CN201510189490A CN104792723B CN 104792723 B CN104792723 B CN 104792723B CN 201510189490 A CN201510189490 A CN 201510189490A CN 104792723 B CN104792723 B CN 104792723B
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- China
- Prior art keywords
- mineral oil
- absorption
- sulfur hexafluoride
- semipermeable membrane
- hexafluoride gas
- Prior art date
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 72
- 239000002480 mineral oil Substances 0.000 title claims abstract description 51
- 235000010446 mineral oil Nutrition 0.000 title claims abstract description 51
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 46
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 159000000007 calcium salts Chemical class 0.000 claims description 4
- 238000003682 fluorination reaction Methods 0.000 claims description 4
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 238000002835 absorbance Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses an absorption device and a method of mineral oil in sulfur hexafluoride gas and belongs to the technical field of electric system devices. The absorption device of the mineral oil in the sulfur hexafluoride gas comprises an absorption cell (1), a gas inlet line and an exhaust line, wherein the bottom of the absorption cell is connected with the gas inlet line and the exhaust line; the absorption cell (1) is internally provided with a semipermeable membrane (2); the semipermeable membrane (2) is use for separating the gas inlet line from the exhaust line; and when the measured sulfur hexafluoride gas flows through the absorption cell (1), the semipermeable membrane (1) can separate the mineral oil from the sulfur hexafluoride gas. The invention further provides the absorption method using the absorption device of the mineral oil in the sulfur hexafluoride gas. The device and the method solve the problem of absorption incapability of the mineral oil in the sulfur hexafluoride gas at ordinary temperature and have the characteristics of complete absorption, simple device, convenience in implementation, high stability and the like.
Description
Technical field
The present invention relates to a kind of sulfur hexafluoride gas mineral oil in fluid absorption plant and method, belong to power system device technique
Field.
Background technology
Sulfur hexafluoride gas mineral oil in fluid content is sulfur hexafluoride gas quality control in industrial sulfur hexafluoride gas and operation
The crucial Testing index of system.For the mineral oil in sulfur hexafluoride gas, entered using the carbon tetrachloride solution of certain volume at present
Row absorbs, and due to carbon tetrachloride highly volatile, reaction unit must be placed in ice-water bath, it is impossible to which room temperature is carried out, and easily causes substantially
Error.In order to more accurately detect sulfur hexafluoride gas mineral oil in fluid content, ensure inflation power equipment safety, develop it is quick,
Effectively sulfur hexafluoride gas mineral oil in fluid content absorption process is necessary.
The content of the invention
It is an object of the invention to provide a kind of sulfur hexafluoride gas mineral oil in fluid absorption plant and method, overcome prior art
Middle employing carbon tetrachloride solution is absorbed, and reaction unit must be placed in ice-water bath, it is impossible to the defect that room temperature is carried out.
The present invention is adopted the following technical scheme that：A kind of sulfur hexafluoride gas mineral oil in fluid absorption plant, it is characterised in that bag
Include absorption cell, inlet line, exhaust lay out, the bottom of the absorption cell respectively with the inlet line, the exhaust lay out phase
Connection；The absorption cell is internally provided with semipermeable membrane, and the semipermeable membrane is used for separating inlet line with exhaust lay out, when tested
When sulfur hexafluoride gas pass through absorption cell, the semipermeable membrane can separate mineral oil with sulfur hexafluoride gas；The absorption cell
Two ends are provided with fluorination calcium salt window, for carrying out infrared detection to mineral oil；The top of the absorption cell is additionally provided with pressure biography
Sensor, for the pressure inside real-time monitoring absorption cell；The inlet line include air inlet, air relief valve, electromagnetic valve, it is described enter
QI KOU is connected with the air relief valve, and the air relief valve is connected with the electromagnetic valve, the electromagnetic valve and the absorption cell
Bottom is connected；The exhaust lay out includes air vent, and the air vent is connected with the bottom of the absorption cell.
Preferably, the two ends of the absorption cell can be with manual unlocking, for being convenient for changing semipermeable membrane；The two of the absorption cell
End is completely closed to gas after closing.
Preferably, the semipermeable membrane is PTFE filter membranes, and the aperture of the semipermeable membrane is 0.01 micron, the hole of the semipermeable membrane
More than the radial dimension of the sulfur hexafluoride gas molecule, the aperture of the semipermeable membrane is less than each hydrocarbon molecules in mineral oil in footpath
Radial dimension, is capable of achieving to intercept mineral oil completely, while do not stop sulfur hexafluoride gas, moisture passing through.
The present invention also proposes a kind of absorption process of utilization sulfur hexafluoride gas mineral oil in fluid absorption plant, and its feature exists
In specifically including following steps：
SS1 recovery by mineral oil：Control inlet line solenoid is opened, air relief valve is adjusted, hexafluoro is passed through with certain flow rate
Change sulfur gas, sulfur hexafluoride gas are discharged after semipermeable membrane by air vent, and mineral oil is intercepted by semipermeable membrane；
SS2 mineral oil is detected：After the completion of absorption, absorption cell is put in infrared spectrophotometer light path, measures semipermeable membrane
Absorbance at wave number 2930cm-1, completes detection.
The beneficial effect that the present invention is reached：（1）One kind of the present invention absorbs dress using sulfur hexafluoride gas mineral oil in fluid
The absorption process put changes traditional liquid absorption process, employs semipermeable membrane, solves absorbing liquid during recovery by mineral oil
Highly volatile affects the difficult point of experimental accuracy；（2）The semipermeable membrane of the present invention selects PTFE filter membranes, aperture to be more than sulfur hexafluoride gas
The components such as body, moisture, much smaller than each hydrocarbon component in mineral oil, are capable of achieving the interception completely of mineral oil, and not to other components
Impact, with absorb completely, device is simple and convenient to operate, stability is high the features such as；（3）Using one kind six of the present invention
Sulfur fluoride gas mineral oil in fluid absorption plant absorbs the mineral oil in sulfur hexafluoride gas, can effectively reduce drawing in absorption process
The various errors for rising, the detection for sulfur hexafluoride gas mineral oil in fluid content provides reliable foundation, is inflation power equipment
Safe and stable operation provide sound assurance.
Description of the drawings
Fig. 1 is a kind of structural representation of sulfur hexafluoride gas mineral oil in fluid absorption plant of the present invention.
The implication of labelling in figure：1- absorption cells, 2- semipermeable membranes, 3- air inlets, 4- air relief valve, 5- fluorination calcium salt windows, 6- is electric
Magnet valve, 7- air vents, 8- pressure transducers.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.Following examples are only used for clearly illustrating the present invention
Technical scheme, and can not be limited the scope of the invention with this.
As shown in Fig. 1 the structural representation of a kind of sulfur hexafluoride gas mineral oil in fluid absorption plant of the invention, this
Invention proposes a kind of sulfur hexafluoride gas mineral oil in fluid absorption plant, including absorption cell 1, inlet line, exhaust lay out, absorption cell
1 bottom is connected respectively with inlet line, exhaust lay out；Absorption cell 1 is internally provided with semipermeable membrane 2, and semipermeable membrane 2 is used for entering
Gas circuit separates with exhaust lay out, and when tested sulfur hexafluoride gas pass through absorption cell 1, semipermeable membrane 2 can be by mineral oil and hexafluoro
Change sulfur gas to separate；The two ends of absorption cell 1 are provided with fluorination calcium salt window 5, for carrying out infrared detection to mineral oil；Absorption cell 1
Top be additionally provided with pressure transducer 8, for the pressure inside real-time monitoring absorption cell 1；Inlet line include air inlet 3,
Air relief valve 4, electromagnetic valve 6, air inlet 3 is connected with air relief valve 4, and air relief valve 4 is connected with electromagnetic valve 6, electromagnetic valve 6 and absorption cell
1 bottom is connected；Exhaust lay out includes air vent 7, and air vent 7 is connected with the bottom of absorption cell 1.
The two ends of absorption cell 1 can be with manual unlocking, for being convenient for changing semipermeable membrane 2；To gas after the two ends closing of absorption cell 1
Body is completely closed.
Semipermeable membrane 2 is PTFE filter membranes, and the aperture of semipermeable membrane 2 is 0.01 micron, and the aperture of semipermeable membrane 2 is more than sulfur hexafluoride gas
The radial dimension of body molecule, the aperture of semipermeable membrane 2 is capable of achieving to mineral oil less than the radial dimension of each hydrocarbon molecules in mineral oil
Intercept completely, while do not stop sulfur hexafluoride gas, moisture passing through.
The present invention also propose a kind of absorption process of utilization sulfur hexafluoride gas mineral oil in fluid absorption plant, specifically include as
Lower step：
SS1 recovery by mineral oil：Control inlet line solenoid 6 is opened, air relief valve 4 is adjusted, with certain flow rate six are passed through
Sulfur fluoride gas, by being discharged by air vent 7 after semipermeable membrane 2, mineral oil is intercepted sulfur hexafluoride gas by semipermeable membrane 2；
SS2 mineral oil is detected：After the completion of absorption, absorption cell 1 is put in infrared spectrophotometer light path, measures semipermeable membrane
2 absorbances at wave number 2930cm-1, complete detection.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of sulfur hexafluoride gas mineral oil in fluid absorption plant, it is characterised in that including absorption cell (1), inlet line, aerofluxuss
Circuit, the bottom of the absorption cell is connected respectively with the inlet line, the exhaust lay out；The absorption cell (1) is internal
Be provided with semipermeable membrane (2), the semipermeable membrane (2) for inlet line is separated with exhaust lay out, when tested sulfur hexafluoride gas
During by absorption cell (1), the semipermeable membrane (2) can separate mineral oil with sulfur hexafluoride gas；The two ends of the absorption cell (1)
Fluorination calcium salt window (5) is provided with, for carrying out infrared detection to mineral oil；The top of the absorption cell (1) is additionally provided with pressure
Sensor (8), for the internal pressure of real-time monitoring absorption cell (1)；The inlet line includes air inlet (3), air relief valve
(4), electromagnetic valve (6), the air inlet (3) is connected with the air relief valve (4), the air relief valve (4) and the electromagnetic valve (6)
It is connected, the electromagnetic valve (6) is connected with the bottom of the absorption cell (1)；The exhaust lay out includes air vent (7), institute
State air vent (7) to be connected with the bottom of the absorption cell (1).
2. a kind of sulfur hexafluoride gas mineral oil in fluid absorption plant according to claim 1, it is characterised in that the absorption
The two ends in pond (1) can be with manual unlocking, for being convenient for changing semipermeable membrane (2)；To gas after the two ends closing of the absorption cell (1)
It is completely closed.
3. a kind of sulfur hexafluoride gas mineral oil in fluid absorption plant according to claim 2, it is characterised in that described semi-transparent
Film (2) is PTFE filter membranes, and the aperture of the semipermeable membrane (2) is 0.01 micron, and the aperture of the semipermeable membrane (2) is more than the hexafluoro
Change the radial dimension of sulfur gas molecule, the aperture of the semipermeable membrane (2) is less than the radial dimension of each hydrocarbon molecules in mineral oil, can
Realization is intercepted completely to mineral oil, while do not stop sulfur hexafluoride gas, moisture passing through.
4. the absorption process of a kind of sulfur hexafluoride gas mineral oil in fluid absorption plant described in a kind of utilization claim 1, it is special
Levy and be, specifically include following steps：
SS1 recovery by mineral oil：Control inlet line solenoid (6) is opened, air relief valve (4) is adjusted, with certain flow rate six are passed through
Sulfur fluoride gas, by being discharged by air vent (7) after semipermeable membrane (2), mineral oil is intercepted sulfur hexafluoride gas by semipermeable membrane (2)；
SS2 mineral oil is detected：After the completion of absorption, absorption cell (1) is put in infrared spectrophotometer light path, measures semipermeable membrane
(2) absorbance at wave number 2930cm-1, completes detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189490.9A CN104792723B (en) | 2015-04-21 | 2015-04-21 | Absorption device and method of mineral oil in sulfur hexafluoride gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189490.9A CN104792723B (en) | 2015-04-21 | 2015-04-21 | Absorption device and method of mineral oil in sulfur hexafluoride gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104792723A CN104792723A (en) | 2015-07-22 |
| CN104792723B true CN104792723B (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510189490.9A Active CN104792723B (en) | 2015-04-21 | 2015-04-21 | Absorption device and method of mineral oil in sulfur hexafluoride gas |
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| Country | Link |
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| CN (1) | CN104792723B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356464A (en) * | 2017-08-03 | 2017-11-17 | 国网安徽省电力公司电力科学研究院 | Hydrolyzable Absorption of Fluoride device in sulfur hexafluoride gas |
| CN107389589A (en) * | 2017-08-03 | 2017-11-24 | 国网安徽省电力公司电力科学研究院 | Detection absorption plant for sulfur hexafluoride gas |
| CN107300534A (en) * | 2017-08-03 | 2017-10-27 | 国网安徽省电力公司电力科学研究院 | Sulfur hexafluoride gas mineral oil in fluid detection method of content |
| CN107328731A (en) * | 2017-08-03 | 2017-11-07 | 国网安徽省电力公司电力科学研究院 | Sulfur hexafluoride gas mineral oil in fluid content assaying method and device |
| CN107340266A (en) * | 2017-08-03 | 2017-11-10 | 国网安徽省电力公司电力科学研究院 | Sulfur hexafluoride gas detection absorption plant |
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| CN103076204A (en) * | 2013-01-15 | 2013-05-01 | 浙江省电力公司电力科学研究院 | Absorbing device for measuring mineral oil content during sulfur hexafluoride gas analysis |
| CN203798622U (en) * | 2014-02-28 | 2014-08-27 | 国家电网公司 | Device for absorbing mineral oil in sulfur hexafluoride gas |
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2015
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|---|---|---|---|---|
| DE19813432A1 (en) * | 1998-03-27 | 1999-09-30 | Michael Stetter | Gas leak detection apparatus for testing of components, such as automobile radiators and oil-coolers |
| CN102854167A (en) * | 2012-08-14 | 2013-01-02 | 浙江中一检测研究院股份有限公司 | Method for determination of concentration of mineral oil mist in workshop air |
| CN103076204A (en) * | 2013-01-15 | 2013-05-01 | 浙江省电力公司电力科学研究院 | Absorbing device for measuring mineral oil content during sulfur hexafluoride gas analysis |
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| CN104792723A (en) | 2015-07-22 |
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