CN104785089B - Sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device and method - Google Patents
Sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device and method Download PDFInfo
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- CN104785089B CN104785089B CN201510189688.7A CN201510189688A CN104785089B CN 104785089 B CN104785089 B CN 104785089B CN 201510189688 A CN201510189688 A CN 201510189688A CN 104785089 B CN104785089 B CN 104785089B
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- gas
- absorption cell
- gas absorption
- valve
- magnetic valve
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 89
- 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
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title claims abstract description 23
- 239000002253 acid Substances 0.000 title claims abstract description 19
- 239000000126 substance Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 41
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 21
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims abstract description 5
- 241000009298 Trigla lyra Species 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 109
- 230000005587 bubbling Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device, including gas absorption cell, absorbing liquid, the absorbing liquid is arranged inside the gas absorption cell, the gas absorption cell is the slim-lined construction placed vertically, and the absorbing liquid is certain density sodium hydroxide solution；Being provided with the control piper of the gas absorption cell some can arbitrarily be opened and closed the magnetic valve of operation；The bottom of the gas absorption cell is connected with air inlet, and pressure-reducing valve, flow stabilizing valve are also connected with turn between the air inlet and the bottom of the gas absorption cell；The bottom of the gas absorption cell is also associated with automatic sampler, leakage fluid dram；Exhaust outlet is connected with the top of the gas absorption cell；Pressure sensor is provided with the top of the gas absorption cell.A kind of method that the present invention also proposes use sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device, with the characteristics of easy to operate, absorption efficiency is high, solution usage is few.
Description
Technical field
The present invention relates to a kind of sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device and method, belong to
Electrical equipment technical field.
Background technology
At present for the absorption of sulfur hexafluoride gas middle acid substance and hydrolyzable fluoride, purely manual dress is used under normal pressure
Put, experimental rig is complicated, infiltration rate is slow, and the contact area of gas and absorbent solution is limited, although big using liquid hold-up is absorbed,
But it is difficult to absorb complete, such absorption process reduces what acidity in sulfur hexafluoride gas, hydrolyzable content of fluoride were detected
The degree of accuracy, parallel test error is big, and time-consuming for experiment.It is lithium with the quickening of power industry extra-high voltage grid construction process
Sulphur gas acidity and hydrolyzable content of fluoride it is quick, accurately detect extremely urgent, therefore acid in research sulfur hexafluoride gas
Property material and hydrolyzable fluoride quick absorption process, automation can be achieved, test efficiency is improved.
The content of the invention
It is an object of the invention to provide a kind of sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device and
Method, solves the technical problem that experimental rig is complicated, infiltration rate is slow produced under normal pressure using purely manual device.
The present invention is adopted the following technical scheme that：A kind of sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride dress
Put, it is characterised in that including gas absorption cell, absorbing liquid, the absorbing liquid is arranged inside the gas absorption cell, the gas
Body absorption cell is the slim-lined construction placed vertically, and the absorbing liquid is certain density sodium hydroxide solution, can be absorbed lithium
Sulphur middle acid substance and hydrolyzable fluoride；Being provided with the control piper of the gas absorption cell some can arbitrarily be opened and closed
The magnetic valve of operation；The bottom of the gas absorption cell is connected with air inlet, the bottom of the air inlet and the gas absorption cell
Also it is connected with pressure-reducing valve, flow stabilizing valve between portion in turn；The bottom of the gas absorption cell is also associated with automatic sampler, discharge opeing
Mouthful, being quantitatively adding and discharging for absorbing liquid；Exhaust outlet is connected with the top of the gas absorption cell, when in gas absorption cell
Pressure is vented automatically when exceeding setting value；Pressure sensor is provided with the top of the gas absorption cell, gas can be shown in real time
Pressure in absorption cell.
Preferably, the magnetic valve includes magnetic valve one, magnetic valve two, magnetic valve three, magnetic valve four, the magnetic valve
One end is connected with the gas absorption cell；The other end of the magnetic valve one is connected with the automatic sampler, is used for
The addition of absorbing liquid；The other end of the magnetic valve two is connected with the flow stabilizing valve, the flow stabilizing valve and the pressure-reducing valve phase
Connection, the pressure-reducing valve is connected with the air inlet；The other end of the magnetic valve three is connected with the exhaust outlet, the electricity
Magnet valve three controls automatic shutter by the pressure sensor；The other end of the magnetic valve four is connected with the leakage fluid dram.
Preferably, the volume of the gas absorption cell is the ratio between 100ml, the height and radial dimension of the gas absorption cell
For 8:1, stroke of the gas in absorbing liquid can be greatly increased, absorbing liquid usage amount is effectively reduced.
Preferably, pressure enters rear self-assembling formation in gas in the gas absorption cell, and pressure is constant in 0.3 MPa, from
Dynamic control, without artificial pressure or decompression.
A kind of absorption process of use sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device, its feature
It is to specifically include following steps：
SS1 absorbing liquids are added：Magnetic valve one is opened, is automatically added to set the certain density sodium hydroxide solution of volume；
SS2 gases absorb：Magnetic valve two is opened, sulfur hexafluoride gas is via pressure-reducing valve, flow stabilizing valve, with uniform speed
Into gas absorption cell, the top of gas absorption cell is risen to from bottom bubbling；When pressure sensor is shown in gas absorption cell
When pressure reaches 0.3 MPa, magnetic valve two is closed, opens solenoid valve three discharges the gas after being absorbed with certain speed；Repeat
Above-mentioned steps are until the sulfur hexafluoride gas of prescribed volume absorbs and completed.
The beneficial effect that the present invention is reached：（1）The pressure formed in itself in absorption cell using sulfur hexafluoride gas, is increased
Big solubility factor of the foreign gas in absorbing liquid（ki）, ki values are bigger, and solubility of the foreign gas in absorbing liquid is higher,
It is easier to be reacted with absorbing liquid, it may advantageously facilitate absorption complete；（2）By gas absorption cell design height and radial dimension it
Than for 8:1 elongate, gas is risen to up at the top of absorption cell from gas absorption cell bottom bubbling, substantially increases gas and suction
The contact area of liquid is received, absorptivity of the absorbing liquid to foreign gas is further ensured that；（3）Both it ensure that sour in sulfur hexafluoride gas
Property absorbed complete with fluoride impurities, test period is greatlyd save again, and device simplifies, easy to operate, required absorbing liquid
Small volume, is that solid foundation has been laid in quick, the accurate analysis of sulfur hexafluoride gas quality.
Brief description of the drawings
Fig. 1 is that a kind of sulfur hexafluoride gas middle acid substance of the present invention and the structure of hydrolyzable Absorption of Fluoride device are shown
It is intended to.
The implication marked in figure：1- gas absorption cells, 2- magnetic valves one, 3- automatic samplers, 4- magnetic valves two, 5- air inlets
Mouthful, 6- pressure-reducing valves, 7- flow stabilizing valves, 8- pressure sensors, 9- magnetic valves three, 10- exhaust outlets, 11- magnetic valves four, 12- leakage fluid drams.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.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.
Fig. 1 is that a kind of sulfur hexafluoride gas middle acid substance of the present invention and the structure of hydrolyzable Absorption of Fluoride device are shown
It is intended to, the present invention proposes that a kind of sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device, including gas absorb
Pond 1, absorbing liquid, absorbing liquid are arranged inside gas absorption cell 1, and gas absorption cell 1 is the slim-lined construction placed vertically, absorbing liquid
For certain density sodium hydroxide solution, sulfur hexafluoride middle acid substance and hydrolyzable fluoride can be absorbed；Gas absorption cell 1
Being provided with control piper some can arbitrarily be opened and closed the magnetic valve of operation；The bottom of gas absorption cell 1 is connected with air inlet
5, also it is connected with pressure-reducing valve 6, flow stabilizing valve 7 between air inlet 5 and the bottom of gas absorption cell 1 in turn；The bottom of gas absorption cell 1
Automatic sampler 3, leakage fluid dram 12 are also associated with, being quantitatively adding and discharging for absorbing liquid；The top connection of gas absorption cell 1
There is exhaust outlet 10, be vented automatically when pressure exceedes setting value in gas absorption cell 1；The top of gas absorption cell 1 is provided with pressure
Force snesor 8, the pressure in gas absorption cell can be shown in real time.
Preferably, magnetic valve includes magnetic valve 1, magnetic valve 24, magnetic valve 39, magnetic valve 4 11, the one of magnetic valve
End is connected with gas absorption cell 1；The other end of magnetic valve 1 is connected with automatic sampler 3, for adding for absorbing liquid
Enter；The other end of magnetic valve 24 is connected with flow stabilizing valve 7, and flow stabilizing valve 7 is connected with pressure-reducing valve 6, pressure-reducing valve 6 and the phase of air inlet 5
Even；The other end of magnetic valve 39 is connected with exhaust outlet 10, and magnetic valve 39 controls automatic shutter by pressure sensor 8；Electromagnetism
The other end of valve 4 10 is connected with leakage fluid dram 12.
Preferably, the volume of gas absorption cell 1 is 100ml, and the ratio between the height and radial dimension of gas absorption cell 1 is 8:1,
Stroke of the gas in absorbing liquid can be greatly increased, absorbing liquid usage amount is effectively reduced.
Preferably, pressure enters rear self-assembling formation in gas in gas absorption cell 1, and pressure is constant in 0.3 MPa, automatic control
System, without artificial pressure or decompression.
A kind of absorption process of use sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device, specific bag
Include following steps：
SS1 absorbing liquids are added：Magnetic valve 1 is opened, the certain density NaOH for being automatically added to set volume is molten
Liquid；
SS2 gases absorb：Magnetic valve 24 is opened, sulfur hexafluoride gas is via pressure-reducing valve 6, flow stabilizing valve 7, with uniform speed
Degree enters gas absorption cell 1, and the top of gas absorption cell 1 is risen to from bottom bubbling；When pressure sensor 8 shows that gas absorbs
When pressure reaches 0.3 MPa in pond 1, magnetic valve 24 is closed, opens solenoid valve 39 discharges the gas after being absorbed with certain speed
Body；Repeat the above steps until the sulfur hexafluoride gas of prescribed volume absorbs and completed.
The beneficial effect that the present invention is reached：（1）The pressure formed in itself in absorption cell using sulfur hexafluoride gas, is increased
Big solubility factor of the foreign gas in absorbing liquid（ki）, ki values are bigger, and solubility of the foreign gas in absorbing liquid is higher,
It is easier to be reacted with absorbing liquid, it may advantageously facilitate absorption complete；（2）By gas absorption cell design height and radial dimension it
Than for 8:1 elongate, gas is risen to up at the top of absorption cell from gas absorption cell bottom bubbling, substantially increases gas and suction
The contact area of liquid is received, absorptivity of the absorbing liquid to foreign gas is further ensured that；（3）Both it ensure that sour in sulfur hexafluoride gas
Property absorbed complete with fluoride impurities, test period is greatlyd save again, and device simplifies, easy to operate, required absorbing liquid
Small volume, is that solid foundation has been laid in quick, the accurate analysis of sulfur hexafluoride gas quality.
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 the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deformed
Also it should be regarded as protection scope of the present invention.
Claims (2)
1. a kind of sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device, it is characterised in that inhaled including gas
Receives pond (1), absorbing liquid, the absorbing liquid are arranged at the gas absorption cell (1) inside, and the gas absorption cell (1) is vertical
The slim-lined construction of placement, the absorbing liquid be certain density sodium hydroxide solution, can absorb sulfur hexafluoride middle acid substance and
Hydrolyzable fluoride；Being provided with the control piper of the gas absorption cell (1) some can arbitrarily be opened and closed the electromagnetism of operation
Valve；The bottom of the gas absorption cell (1) is connected with air inlet (5), the air inlet (5) and the gas absorption cell (1)
Also it is connected with pressure-reducing valve (6), flow stabilizing valve (7) between bottom in turn；The bottom of the gas absorption cell (1) is also associated with entering automatically
Sample device (3), leakage fluid dram (12), being quantitatively adding and discharging for absorbing liquid；The row of being connected with the top of the gas absorption cell (1)
Gas port (10), is vented automatically when gas absorption cell (1) interior pressure exceedes setting value；Set at the top of the gas absorption cell (1)
Pressure sensor (8) is equipped with, the pressure in gas absorption cell (1) can be shown in real time；The magnetic valve include magnetic valve one (2),
Magnetic valve two (4), magnetic valve three (9), magnetic valve four (11), one end of the magnetic valve with the gas absorption cell (1) phase
Connection；The other end of the magnetic valve one (2) is connected with the automatic sampler (3), the addition for absorbing liquid；The electricity
The other end of magnet valve two (4) is connected with the flow stabilizing valve (7), and the flow stabilizing valve (7) is connected with the pressure-reducing valve (6), institute
Pressure-reducing valve (6) is stated with the air inlet (5) to be connected；The other end of the magnetic valve three (9) is connected with the exhaust outlet (10),
The magnetic valve three (9) controls automatic shutter by the pressure sensor (8)；The other end of the magnetic valve four (11) with it is described
Leakage fluid dram (12) is connected；The volume of the gas absorption cell (1) is 100ml, height and the radial direction of the gas absorption cell (1)
The ratio between size is 8:1, stroke of the gas in absorbing liquid can be greatly increased, absorbing liquid usage amount is effectively reduced；The gas is inhaled
Receives pond (1) interior pressure enters rear self-assembling formation in gas, and pressure is constant in 0.3MPa, automatically controls, without artificially pressing or subtracting
Pressure.
2. the suction of the sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device described in a kind of use claim 1
Receiving method, it is characterised in that specifically include following steps：
SS1 absorbing liquids are added：Magnetic valve one (2) is opened, is automatically added to set the certain density sodium hydroxide solution of volume；
SS2 gases absorb：Magnetic valve two (4) is opened, sulfur hexafluoride gas is via pressure-reducing valve (6), flow stabilizing valve (7), with uniform
Speed enters gas absorption cell (1), and the top of gas absorption cell (1) is risen to from bottom bubbling；Inhaled when pressure sensor 8 is shown
When pressure reaches 0.3MPa in receives pond, magnetic valve two (4), opens solenoid valve three (9), after being absorbed with certain speed discharge are closed
Gas；Repeat the above steps until the sulfur hexafluoride gas of prescribed volume absorbs and completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189688.7A CN104785089B (en) | 2015-04-21 | 2015-04-21 | Sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189688.7A CN104785089B (en) | 2015-04-21 | 2015-04-21 | Sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device and method |
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| Publication Number | Publication Date |
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| CN104785089A CN104785089A (en) | 2015-07-22 |
| CN104785089B true CN104785089B (en) | 2017-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561209A (en) * | 2017-08-03 | 2018-01-09 | 国网安徽省电力公司电力科学研究院 | Sulfur hexafluoride gas acidity detection method and device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576708A (en) * | 2017-08-03 | 2018-01-12 | 国网安徽省电力公司电力科学研究院 | Hydrolyzable the Determination Method of Fluoride and device in sulfur hexafluoride gas |
| CN107525829A (en) * | 2017-08-03 | 2017-12-29 | 国网安徽省电力公司电力科学研究院 | The detection method of hydrolyzable content of fluoride in sulfur hexafluoride gas |
| CN109632568A (en) * | 2018-12-31 | 2019-04-16 | 北京科泰特科技发展有限公司 | A kind of air detecting device |
| CN109603490A (en) * | 2019-02-20 | 2019-04-12 | 北京航空航天大学 | Acid-base neutralization device and gas purge system |
| CN111693341A (en) * | 2019-03-14 | 2020-09-22 | 中国石油化工股份有限公司 | Sampling device and sampling method thereof |
| CN113848311A (en) * | 2021-10-29 | 2021-12-28 | 西安热工研究院有限公司 | Volatile acid flushing detection system in phosphate fire-resistant oil oxidation stability testing process |
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|---|---|---|---|---|
| CN103543283A (en) * | 2013-10-14 | 2014-01-29 | 广东电网公司电力科学研究院 | Hydrogen fluoride gas detection device and method |
| CN204710085U (en) * | 2015-04-21 | 2015-10-21 | 国家电网公司 | Sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device |
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2015
- 2015-04-21 CN CN201510189688.7A patent/CN104785089B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543283A (en) * | 2013-10-14 | 2014-01-29 | 广东电网公司电力科学研究院 | Hydrogen fluoride gas detection device and method |
| CN204710085U (en) * | 2015-04-21 | 2015-10-21 | 国家电网公司 | Sulfur hexafluoride gas middle acid substance and hydrolyzable Absorption of Fluoride device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561209A (en) * | 2017-08-03 | 2018-01-09 | 国网安徽省电力公司电力科学研究院 | Sulfur hexafluoride gas acidity detection method and device |
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