CN209438316U - The device of sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture - Google Patents
The device of sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture Download PDFInfo
- Publication number
- CN209438316U CN209438316U CN201821904619.5U CN201821904619U CN209438316U CN 209438316 U CN209438316 U CN 209438316U CN 201821904619 U CN201821904619 U CN 201821904619U CN 209438316 U CN209438316 U CN 209438316U
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- gas
- sulfur hexafluoride
- adsorption column
- pipeline
- 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.)
- Active
Links
Landscapes
- Separation Of Gases By Adsorption (AREA)
Abstract
The device of sulfur hexafluoride gas, including mixed gas exhaust pipe, surge tank, pressure maintaining valve, mass flow controller, the first adsorption column, the second adsorption column, storage tank and nitrogen purge pipeline are purified from sulfur hexafluoride gas mixture；The utility model passes through the alternation and regeneration of the first adsorption column and the second adsorption column, can achieve continuous purification SF6The purpose of gas.The function of first sulfur hexafluoride sensor and the second sulfur hexafluoride sensor is to allow the first adsorption column and the second adsorption column that can reach the N of discharge for finding suitable absorption and reproduction time2Middle SF6Content is lower than the emission request of correlation standard, moreover it is possible to allow in regenerated adsorption column the SF being desorbed6Gas concentration is 90% or more；The utility model is novel in design, structure is simple, can be by SF in GIS device convenient for operation6/N2SF in mixed gas6It is purified to 90% or more, makes SF6SF is saved in recycling and reusing6Usage amount reduces operating cost.
Description
Technical field
The utility model belongs to sulfur hexafluoride purification technique field, in particular to a kind of to mention from sulfur hexafluoride gas mixture
The device of pure sulfur hexafluoride gas.
Background technique
For energy-saving and emission-reduction, SF can be reduced by finding one kind for Guo Wang company6Gas mixed gas in high-voltage switch gear, SF6/
N2Mixed gas is a kind of transition substitution SF6The method of gas, can by replacing a small amount of component in existing GIS device
To meet existing GIS device SF6/N2Mixed gas does dielectric.One 220KV GIS device passes through 30% SF of replacement6/
N2Mixed gas can save SF under identical application conditions6Usage amount 60% reaches and saves SF6The purpose of usage amount, from source
SF is reduced on head6The usage amount of gas, reduces SF indirectly6Gas leaks into the probability in space.For 30% SF6/N2 Recycling at
The pure SF of reason6The method of gas is obviously unworkable, it is therefore desirable to find a kind of new 30% SF of purification6/N2 SF in gas6Gas
Device and method.
Utility model content
Place to solve the deficiencies in the prior art, the utility model provides a kind of scientific in principle, can convenient for operation, safety
It leans on, the high device that sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture of purification efficiency.
The utility model adopts the following technical solution: the dress of sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture
It sets, including mixed gas exhaust pipe, surge tank, pressure maintaining valve, mass flow controller, the first adsorption column, the second adsorption column, deposits
Storage tank and nitrogen purge pipeline；
The gas outlet of mixed gas exhaust pipe and the air inlet of surge tank connect, along air-flow on mixed gas exhaust pipe
Direction is provided with pressure sensor and the first solenoid valve, and the gas outlet of surge tank and the air inlet of pressure maintaining valve connect, pressure maintaining valve
The connection of the air inlet of gas outlet and mass flow controller, the gas outlet of mass flow controller pass through the first absorption pipeline and the
The gas outlet of the connection of one adsorption column, mass flow controller is connect by the second absorption pipeline with the second adsorption column, the first absorption
Second solenoid valve is provided on pipeline, the second adsorption tube road is provided with third solenoid valve, and the first adsorption tube road is in the second electricity
The air outlet side of magnet valve and the second adsorption tube are connected with the first regeneration pipeline in the air outlet side of third solenoid valve on the road, and first again
It is provided with the 4th solenoid valve and the 5th solenoid valve on raw pipeline, the is connected between the first regeneration pipeline and the air inlet of storage tank
Two regeneration pipelines, the link position of the second regeneration pipeline and the first regeneration pipeline be located at the 4th solenoid valve and the 5th solenoid valve it
Between, the first compressor and the first sulfur hexafluoride sensor are disposed with along airflow direction in the second regeneration pipeline；
The gas outlet of first adsorption column is connected with the first evacuated tube, and the gas outlet of the second adsorption column is connected with the second emptying
It manages, is provided with the 6th solenoid valve in the first evacuated tube, the 7th solenoid valve, the outlet of the first evacuated tube are provided in the second evacuated tube
The gas outlet of mouth and the second evacuated tube is connect with the air inlet of nitrogen purge pipeline, is provided with the two or six on nitrogen purge pipeline
It is fluorinated sulfer sensor.
It is connected with pressurization exhaust pipe between the air inlet side and air outlet side of first solenoid valve, is pressurized edge on exhaust pipe
Airflow direction is disposed with the 8th solenoid valve and the second compressor.
By adopting the above technical scheme, sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture using the utility model
Method, comprising the following steps:
(1) gas outlet of the air inlet of mixed gas exhaust pipe and GIS device is connected；
(2) the pressure sensor monitoring SF that concentration of sulfur hexafluoride is 30% into GIS device6/N2The pressure P of mixed gas >
When 0.35Mpa, the first solenoid valve is opened, and the 8th solenoid valve is closed, and mixed gas enters buffering by mixed gas exhaust pipe
In tank；As pressure P < 0.35Mpa of mixed gas, the 8th solenoid valve is opened, and the first solenoid valve is closed, and the second compressor opens
It is dynamic, extract SF in GIS device6/N2Mixed gas is into surge tank；
(3) pressure is stabilized to 0.3Mpa, meets quality by the mixed gas inside surge tank by the pressure maintaining valve of big flow
Flow controller service pressure controls the mixed gas flow passed through by control mass flow controller；
Adsorbent in (4) first adsorption columns adsorbs sulfur hexafluoride gas, and the nitrogen in the first adsorption column is arranged by nitrogen
Blank pipe road is discharged in atmosphere, while the second adsorption column waits；
After adsorbent in (5) first adsorption columns adsorbs sulfur hexafluoride gas for a period of time, stop absorption, turn to regeneration,
In the sulfur hexafluoride storage to storage tank of absorption, while the second adsorption column adsorbs sulfur hexafluoride gas, the second adsorption column
Interior nitrogen is discharged in atmosphere by nitrogen purge pipeline；
After adsorbent in (6) second adsorption columns adsorbs sulfur hexafluoride gas for a period of time, stop absorption, turn to regeneration,
In the sulfur hexafluoride storage to storage tank of absorption, while the first adsorption column adsorbs sulfur hexafluoride gas, the first adsorption column
Interior nitrogen is discharged in atmosphere by nitrogen purge pipeline；
(7) step (5) and (6) are repeated, until SF in GIS device6/N2Mixed gas is exhausted.
The flow that mass flow controller controls mixed gas is 50-100L/min.
The process of step (4) specifically, second solenoid valve and the 6th solenoid valve are opened, third solenoid valve, the 4th solenoid valve,
5th solenoid valve and the 7th solenoid valve are closed, and the first compressor is closed, SF6/N2Mixed gas passes through the absorption in the first adsorption column
SF is adsorbed in agent6Gas, the second sulfur hexafluoride sensor monitor N2Middle SF6Content is lower than the emission request of correlation standard
When, the N in the first adsorption column2It is discharged into air by the first evacuated tube and nitrogen purge pipeline.
The process of step (5) is specifically, second solenoid valve, the 5th solenoid valve and the closing of the 6th solenoid valve, third solenoid valve
It is opened with the 7th solenoid valve, the sulfur hexafluoride gas in mixed gas is adsorbed by the adsorbent in the second adsorption column, the
Two sulfur hexafluoride sensors monitor N2Middle SF6N when content is lower than the emission request of correlation standard, in the second adsorption column2
It is discharged into air by the second evacuated tube and nitrogen purge pipeline；At the same time, the first absorption column regeneration, the 4th solenoid valve are beaten
It opens, starts the first compressor, the SF that will be adsorbed in the first adsorption column6It is drawn into storage tank, the inspection of the first sulfur hexafluoride sensor
Survey the SF being drawn into storage tank6Purity can make SF using above-mentioned desorption method6Gas concentration is 90% or more.
The process of step (6) is specifically, second solenoid valve and the 6th solenoid valve opening, third solenoid valve, the 4th solenoid valve
It is closed with the 7th solenoid valve, SF6/N2Mixed gas adsorbs SF by the adsorbent in the first adsorption column6Gas, the second hexafluoro
Change sulfer sensor and monitors N2Middle SF6N when content is lower than the emission request of correlation standard, in the first adsorption column2Pass through
One evacuated tube and nitrogen purge pipeline are discharged into air；At the same time, the second absorption column regeneration, the 5th solenoid valve are opened, are opened
Dynamic first compressor, the SF that will be adsorbed in the second adsorption column6It is drawn into storage tank, the detection of the first sulfur hexafluoride sensor is extracted
SF in storage tank6Purity can make SF using above-mentioned adsorption/desorption method6Gas concentration is 90% or more.
The utility model passes through the alternation and regeneration of the first adsorption column and the second adsorption column, can achieve continuous purification
SF6The purpose of gas.The function of first sulfur hexafluoride sensor and the second sulfur hexafluoride sensor is for finding suitable suction
The reproduction time is echoed, allows the first adsorption column and the second adsorption column that can reach the N of discharge2Middle SF6Content is lower than correlation standard
Emission request, moreover it is possible to allow in regenerated adsorption column the SF being desorbed6Gas concentration is 90% or more.
The utility model is novel in design, structure is simple, can be by SF in GIS device convenient for operation6/N2In mixed gas
SF6It is purified to 90% or more, makes SF6SF is saved in recycling and reusing6Usage amount reduces operating cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, the utility model purifies the device of sulfur hexafluoride gas from sulfur hexafluoride gas mixture, including mixed
Close gas exhaust pipe 1, surge tank 2, pressure maintaining valve 3, mass flow controller 4, the first adsorption column 5, the second adsorption column 6, storage
Tank 7 and nitrogen purge pipeline 8；
The gas outlet of mixed gas exhaust pipe 1 is connect with the air inlet of surge tank 2, edge on mixed gas exhaust pipe 1
Airflow direction is provided with pressure sensor 9 and the first solenoid valve 10, and the gas outlet of surge tank 2 is connect with the air inlet of pressure maintaining valve 3,
The gas outlet of pressure maintaining valve 3 is connect with the air inlet of mass flow controller 4, and the gas outlet of mass flow controller 4 passes through first
Absorption pipeline 11 is connect with the first adsorption column 5, and the gas outlet of mass flow controller 4 is inhaled by the second absorption pipeline 12 and second
Attached column 6 connects, and second solenoid valve 13 is provided on the first absorption pipeline 11, is provided with third solenoid valve on the second absorption pipeline 12
14, first absorption pipeline 11 on the air outlet side of second solenoid valve 13 with second adsorb pipeline 12 in third solenoid valve 14
Air outlet side is connected with the first regeneration pipeline 15, is provided with the 4th solenoid valve 16 and the 5th solenoid valve in the first regeneration pipeline 15
17, the second regeneration pipeline 18, the second regeneration pipeline 18 and are connected between the first regeneration pipeline 15 and the air inlet of storage tank 7
The link position of one regeneration pipeline 15 is between the 4th solenoid valve 16 and the 5th solenoid valve 17, along gas in the second regeneration pipeline 18
Stream direction is disposed with the first compressor 19 and the first sulfur hexafluoride sensor 20；
The gas outlet of first adsorption column 5 is connected with the first evacuated tube 21, and the gas outlet of the second adsorption column 6 is connected with second row
Blank pipe 22 is provided with the 6th solenoid valve 23 in first evacuated tube 21, is provided with the 7th solenoid valve 24 in the second evacuated tube 22, and first
The gas outlet of evacuated tube 21 and the gas outlet of the second evacuated tube 22 are connect with the air inlet of nitrogen purge pipeline 8, nitrogen purge
The second sulfur hexafluoride sensor 25 is provided on pipeline 8.
It is connected with pressurization exhaust pipe 26 between the air inlet side and air outlet side of first solenoid valve 10, is pressurized exhaust pipe
The 8th solenoid valve 27 and the second compressor 28 are disposed with along airflow direction on 26.
The method that sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture, includes the following steps,
(1) air inlet of mixed gas exhaust pipe 1 is connect with the gas outlet of GIS device 29；
(2) pressure sensor 9 monitors the SF that concentration of sulfur hexafluoride is 30% in GIS device 296/N2The pressure of mixed gas
When power P > 0.35Mpa, the first solenoid valve 10 open, the 8th solenoid valve 27 close, mixed gas by mixed gas exhaust pipe 1 into
Enter into surge tank 2；As pressure P < 0.35Mpa of mixed gas, the 8th solenoid valve 27 is opened, and the first solenoid valve 10 is closed,
The starting of second compressor 28, extracts SF in GIS device 296/N2Mixed gas is into surge tank 2；
(3) mixed gas of 2 the inside of surge tank passes through the pressure maintaining valve 3 of big flow, and pressure is stabilized to 0.3Mpa, meets matter
4 service pressure of flow controller is measured, the mixed gas flow passed through is controlled by control mass flow controller 4；
Adsorbent in (4) first adsorption columns 5 adsorbs sulfur hexafluoride gas, and the nitrogen in the first adsorption column 5 passes through nitrogen
Emptying pipeline 8 is discharged in atmosphere, while the second adsorption column 6 waits；
After adsorbent in (5) first adsorption columns 5 adsorbs sulfur hexafluoride gas for a period of time, stop absorption, turn to regeneration,
In the sulfur hexafluoride storage to storage tank 7 of absorption, while the second adsorption column 6 adsorbs sulfur hexafluoride gas, the second absorption
Nitrogen in column 6 is discharged in atmosphere by nitrogen purge pipeline 8；
After adsorbent in (6) second adsorption columns 6 adsorbs sulfur hexafluoride gas for a period of time, stop absorption, turn to regeneration,
In the sulfur hexafluoride storage to storage tank 7 of absorption, while the first adsorption column 5 adsorbs sulfur hexafluoride gas, the first absorption
Nitrogen in column 5 is discharged in atmosphere by nitrogen purge pipeline 8；
(7) step (5) and (6) are repeated, until SF in GIS device 296/N2Mixed gas is exhausted.
The flow that mass flow controller 4 controls mixed gas is 50-100L/min.
The process of step (4) is specifically, second solenoid valve 13 and the 6th solenoid valve 23 opening, third solenoid valve the 14, the 4th
Solenoid valve 16, the 5th solenoid valve 17 and the 7th solenoid valve 24 are closed, and the first compressor 19 is closed, SF6/N2Mixed gas passes through the
Adsorbent in one adsorption column 5 adsorbs SF6Gas, the second sulfur hexafluoride sensor 25 monitor N2Middle SF6Content is lower than correlation
N as defined in standard when emission request, in the first adsorption column 52Sky is discharged by the first evacuated tube 21 and nitrogen purge pipeline 8
In gas.
The process of step (5) is specifically, second solenoid valve 13, the 5th solenoid valve 17 and the closing of the 6th solenoid valve 23, third
Solenoid valve 14 and the 7th solenoid valve 24 are opened, and the sulfur hexafluoride gas in mixed gas passes through the adsorbent in the second adsorption column 6
It is adsorbed, the second sulfur hexafluoride sensor 25 monitors N2Middle SF6When content is lower than the emission request of correlation standard, the
N in two adsorption columns 62It is discharged into air by the second evacuated tube 22 and nitrogen purge pipeline 8；At the same time, the first absorption
Column 5 regenerates, and the 4th solenoid valve 16 is opened, and starts the first compressor 19, the SF that will be adsorbed in the first adsorption column 56It is drawn into storage
In tank 7, the first sulfur hexafluoride sensor 20 detects the SF being drawn into storage tank 76Purity, can using above-mentioned adsorption/desorption method
Make SF6Gas concentration is 90% or more.
The process of step (6) is specifically, second solenoid valve 13 and the 6th solenoid valve 23 opening, third solenoid valve the 14, the 4th
Solenoid valve 16 and the 7th solenoid valve 24 are closed, SF6/N2Mixed gas adsorbs SF by the adsorbent in the first adsorption column 56Gas
Body, the second sulfur hexafluoride sensor 25 monitor N2Middle SF6When content is lower than the emission request of correlation standard, the first absorption
N in column 52It is discharged into air by the first evacuated tube 21 and nitrogen purge pipeline 8；At the same time, the second adsorption column 6 is again
Raw, the 5th solenoid valve 17 is opened, and starts the first compressor 19, the SF that will be adsorbed in the second adsorption column 66It is drawn into storage tank 7,
First sulfur hexafluoride sensor 20 detects the SF being drawn into storage tank 76Purity can make SF using above-mentioned adsorption/desorption method6Gas
Bulk concentration is 90% or more.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (2)
1. purifying the device of sulfur hexafluoride gas from sulfur hexafluoride gas mixture, it is characterised in that: be evacuated including mixed gas
Pipeline, surge tank, pressure maintaining valve, mass flow controller, the first adsorption column, the second adsorption column, storage tank and nitrogen purge pipeline；
The gas outlet of mixed gas exhaust pipe and the air inlet of surge tank connect, along airflow direction on mixed gas exhaust pipe
It is provided with pressure sensor and the first solenoid valve, the gas outlet of surge tank and the air inlet of pressure maintaining valve connect, the outlet of pressure maintaining valve
Mouth is connect with the air inlet of mass flow controller, and the gas outlet of mass flow controller is inhaled by the first absorption pipeline and first
The gas outlet of attached column connection, mass flow controller is connect by the second absorption pipeline with the second adsorption column, the first absorption pipeline
On be provided with second solenoid valve, the second adsorption tube road is provided with third solenoid valve, and the first adsorption tube road is in second solenoid valve
Air outlet side and the second adsorption tube road in the air outlet side of third solenoid valve be connected with the first regeneration pipeline, the first regenerating tube
Road is provided with the 4th solenoid valve and the 5th solenoid valve, and second is connected between the first regeneration pipeline and the air inlet of storage tank again
The link position of raw pipeline, the second regeneration pipeline and the first regeneration pipeline is between the 4th solenoid valve and the 5th solenoid valve, and the
The first compressor and the first sulfur hexafluoride sensor are disposed with along airflow direction in two regeneration pipelines；
The gas outlet of first adsorption column is connected with the first evacuated tube, and the gas outlet of the second adsorption column is connected with the second evacuated tube, the
Be provided with the 6th solenoid valve in one evacuated tube, be provided with the 7th solenoid valve in the second evacuated tube, the gas outlet of the first evacuated tube and
The gas outlet of second evacuated tube is connect with the air inlet of nitrogen purge pipeline, and it is lithium to be provided with second on nitrogen purge pipeline
Sulfer sensor.
2. the device according to claim 1 for purifying sulfur hexafluoride gas from sulfur hexafluoride gas mixture, feature exist
In: it is connected with pressurization exhaust pipe between the air inlet side and air outlet side of the first solenoid valve, is pressurized on exhaust pipe along air-flow
Direction is disposed with the 8th solenoid valve and the second compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821904619.5U CN209438316U (en) | 2018-11-19 | 2018-11-19 | The device of sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821904619.5U CN209438316U (en) | 2018-11-19 | 2018-11-19 | The device of sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209438316U true CN209438316U (en) | 2019-09-27 |
Family
ID=68012511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821904619.5U Active CN209438316U (en) | 2018-11-19 | 2018-11-19 | The device of sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209438316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005413A1 (en) * | 2021-07-27 | 2023-02-02 | 中国南方电网有限责任公司超高压输电公司昆明局 | Device for recovering and treating sulfur hexafluoride gas under fully positive pressure conditions, and gas recovery system |
-
2018
- 2018-11-19 CN CN201821904619.5U patent/CN209438316U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005413A1 (en) * | 2021-07-27 | 2023-02-02 | 中国南方电网有限责任公司超高压输电公司昆明局 | Device for recovering and treating sulfur hexafluoride gas under fully positive pressure conditions, and gas recovery system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109432947A (en) | The device and method of sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture | |
| CN101259358B (en) | Continuous circulating type oil-gas adsorption recovery method | |
| CN201110847Y (en) | Adsorbing agent voltage transformation adsorptive separation performance test and infiltration flow experimental device | |
| CN101274752B (en) | Separation and utilization process for sulfuric dioxide and carbon dioxide in stack gas | |
| CN202237710U (en) | Energy-saving pressure swing adsorption gas separating device | |
| CN106040527B (en) | A kind of nitrogen charging Vacuum Pressure Impregnation Equipment and method | |
| KR101773437B1 (en) | Absorbing tower having complex absorption structure for oxygen generator | |
| CN103058144A (en) | Vacuum pressure swing adsorption oxygen generation system and control method thereof | |
| CN209438316U (en) | The device of sulfur hexafluoride gas is purified from sulfur hexafluoride gas mixture | |
| CN209065416U (en) | A kind of low pressure adsorbent oxygenerator | |
| CN202823095U (en) | High yield gas purifying device | |
| CN112516745A (en) | Low-concentration sulfur hexafluoride waste gas adsorption and purification device | |
| CN210631903U (en) | Pressure swing adsorption air separation nitrogen making device | |
| CN110394029A (en) | A kind of coal mine light concentration mash gas pressure-changed adsorption concentrating methane system and device | |
| CN205709851U (en) | efficient molecular sieve oxygenerator | |
| CN202237709U (en) | Control system for pressure varying adsorption gas separating equipment | |
| CN211936242U (en) | Tertiary oil gas recovery unit of filling station | |
| CN204816558U (en) | Novel activated carbon fiber adsorption material regeneration device | |
| CN208054913U (en) | A kind of single column air separating type nitrogen gas generating system | |
| CN207259151U (en) | A kind of PSA nitrogen gas generating systems | |
| CN207324425U (en) | Purifier for supercritical carbon dioxide Brayton cycle power generation system | |
| CN110643404A (en) | Two-stage series pressure swing adsorption methane purification system capable of improving methane recovery rate | |
| CN221536211U (en) | Waste gas treatment and purification device for vulcanization workshop | |
| CN212924410U (en) | Adsorption separation tank for nitrogen making machine | |
| CN214382631U (en) | A steady voltage auto-change over device for empty purification technology that divides |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |