CN110927295A - Long-term uninterrupted separation system for sulfide gas in GIS gas chamber - Google Patents

Long-term uninterrupted separation system for sulfide gas in GIS gas chamber Download PDF

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CN110927295A
CN110927295A CN201911194918.3A CN201911194918A CN110927295A CN 110927295 A CN110927295 A CN 110927295A CN 201911194918 A CN201911194918 A CN 201911194918A CN 110927295 A CN110927295 A CN 110927295A
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way valve
chromatographic column
carrier gas
gas pipeline
gas
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庄莉
梁懿
苏镇西
朱峰
马凤翔
徐杰
丁清
李涛
李云凡
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State Grid Information and Telecommunication Co Ltd
Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
Fujian Yirong Information Technology Co Ltd
Great Power Science and Technology Co of State Grid Information and Telecommunication Co Ltd
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State Grid Information and Telecommunication Co Ltd
Electric Power Research Institute of State Grid Anhui Electric Power Co Ltd
Fujian Yirong Information Technology Co Ltd
Great Power Science and Technology Co of State Grid Information and Telecommunication Co Ltd
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Priority to CN201911194918.3A priority Critical patent/CN110927295A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/04—Preparation or injection of sample to be analysed
    • G01N30/06—Preparation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors

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Abstract

本发明提供一种关于GIS气室中硫化物气体长期不间断分离系统，所述系统的六通阀与GIS气室相连，所述六通阀通过第一定量管连接至十通阀A，且所述六通阀通过第二定量管连接至十通阀B；第一载气管道通过十通阀A连接至第一定量管，第二载气管道依次连接十通阀A和十通阀B，第三载气管道通过十通阀B连接至第二定量管，第四载气管道连接至控温色谱柱箱；十通阀A和十通阀B之间通过第一连通管和第二连通管相连；十通阀A与第一色谱柱相连，十通阀B与第二色谱柱以及氦离子化检测器相连。本发明能够对检测气体进行长期不间断的分离检测，使组分相互干扰，无失真的响应被检测组分的含量变化。

Figure 201911194918

The present invention provides a long-term uninterrupted separation system for sulfide gas in a GIS gas chamber. The six-port valve of the system is connected to the GIS gas chamber, and the six-port valve is connected to the ten-port valve A through a first quantitative pipe. And the six-way valve is connected to the ten-way valve B through the second quantitative pipe; the first carrier gas pipeline is connected to the first quantitative pipe through the ten-way valve A, and the second carrier gas pipeline is connected to the ten-way valve A and the ten-way valve in turn. Valve B, the third carrier gas pipeline is connected to the second quantitative pipe through the ten-way valve B, and the fourth carrier gas pipeline is connected to the temperature-controlled chromatographic column box; The second communication pipe is connected; the ten-way valve A is connected with the first chromatographic column, and the ten-way valve B is connected with the second chromatographic column and the helium ionization detector. The invention can carry out long-term uninterrupted separation and detection of the detection gas, so that the components interfere with each other, and the content changes of the detected components can be responded to without distortion.

Figure 201911194918

Description

Long-term uninterrupted separation system for sulfide gas in GIS gas chamber
[ technical field ] A method for producing a semiconductor device
The invention relates to a long-term uninterrupted separation system for sulfide gas in a GIS (gas insulated switchgear) gas chamber.
[ background of the invention ]
SF in GIS gas cell6Gas, under high-temperature and high-pressure discharge, produces SF6Decomposition products are respectively as follows: h2S、COS、SO2F2、SO2F、SO2Etc. by detecting SF since sulfide components are key to judging failure6Judging whether the power equipment has potential faults or not according to the content of the decomposition products, so as to prevent the generation of the faults;
the main problems of the existing chromatographic analysis are that sulfide components can not be completely analyzed, the components interfere with each other, the component content can not be accurately analyzed, and the like.
[ summary of the invention ]
The invention aims to solve the technical problem of providing a long-term uninterrupted separation system for sulfide gas in a GIS gas chamber, which can carry out long-term uninterrupted separation detection on detected gas, so that components are mutually interfered, and the undistorted response is realized on the content change of the detected components.
The invention is realized by the following steps:
a long-term uninterrupted separation system for sulfide gas in a GIS gas chamber comprises an air-isolated carrier gas device, a central separation device, a gas supply device, a temperature-controlled chromatographic column box and a helium ionization detector,
the air-isolated type carrier gas device comprises a six-way valve, a first quantitative pipe and a second quantitative pipe, the central separation device comprises a ten-way valve A and a ten-way valve B, the gas supply device comprises a gas supply bottle group, a first carrier gas pipeline, a second carrier gas pipeline, a third carrier gas pipeline and a fourth carrier gas pipeline, the first carrier gas pipeline, the second carrier gas pipeline, the third carrier gas pipeline and the fourth carrier gas pipeline are connected with the gas supply bottle group, and the temperature control chromatographic column box comprises a first chromatographic column and a second chromatographic column;
the six-way valve is connected with the GIS air chamber, the six-way valve is connected to the ten-way valve A through a first quantitative pipe, and the six-way valve is connected to the ten-way valve B through a second quantitative pipe; the first carrier gas pipeline is connected to the first quantitative tube through a ten-way valve A, the second carrier gas pipeline is sequentially connected with the ten-way valve A and a ten-way valve B, the third carrier gas pipeline is connected to the second quantitative tube through the ten-way valve B, and the fourth carrier gas pipeline is connected to the temperature-controlled chromatographic column box; the ten-way valve A and the ten-way valve B are connected through a first communicating pipe and a second communicating pipe; the ten-way valve A is connected with the first chromatographic column, and the ten-way valve B is connected with the second chromatographic column and the helium ionization detector.
Further, the first chromatographic column environmental parameter is: column temperature 80 °, flow rate 15ml/min, fraction separation: h2S、COS、SO2F2、SO2F；
The second chromatographic column environmental parameters are as follows: column temperature 40 °, flow rate 5ml/min, fraction separation: SO (SO)2。
Further, the helium ionization detector is a PDD detector.
Furthermore, the gas cylinder group comprises a helium gas cylinder group and an air cylinder group, the helium gas cylinder group comprises a plurality of helium gas cylinders connected in series, the air cylinder group comprises at least one air cylinder, the helium gas cylinder group is connected with the first carrier gas pipeline, the second carrier gas pipeline and the third carrier gas pipeline, and the air cylinder group is connected with the fourth carrier gas pipeline.
Further, when the separation system starts the activation treatment, the first chromatographic column and the second chromatographic column output air flow rate of 0.5MPa and 50ml/min under the control of the air bottle group, and the temperature is controlled to carry out the activation of the chromatographic columns by the temperature rise process of 50-300 ℃.
The invention has the following advantages:
the invention utilizes the switching of various valves and the separation action of the chromatographic column on the detection sample, can carry out uninterrupted separation detection on the sulfide gas in the GIS gas chamber, and can respond the content and the change of the components of the detected object without distortion; and when the performance of the chromatographic column is reduced, activation treatment can be carried out to achieve the performance resetting effect, and high-response separation and long-term separation detection of the components of the sample to be detected are realized.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a sampling circuit for a long term uninterrupted separation system of sulfide gas in a GIS gas chamber according to the present invention.
FIG. 2 is a schematic diagram of a first chromatographic column sample injection circuit of a long-term uninterrupted separation system for sulfide gas in a GIS gas chamber.
FIG. 3 is a schematic diagram of a second chromatographic column sample injection circuit of a long-term uninterrupted separation system for sulfide gas in a GIS gas chamber.
The reference numbers are as follows:
1-temperature control chromatographic column box, 2-helium ionization detector, 3-six-way valve, 4-first quantitative tube, 5-second quantitative tube, 6-ten-way valve A, 7-ten-way valve B, 8-gas supply bottle group, 9-first carrier gas pipeline, 10-second carrier gas pipeline, 11-third carrier gas pipeline, 12-fourth carrier gas pipeline, 13, first chromatographic column, 14-second chromatographic column, 15-first communicating pipe, 16-second communicating pipe, 81-helium bottle group and 82-air bottle group
[ detailed description ] embodiments
Referring to fig. 1-3, the invention relates to a long-term uninterrupted separation system for sulfide gas in a GIS gas chamber, which comprises an air-isolated carrier gas device, a central separation device, a gas supply device, a temperature-controlled chromatographic column box 1 and a helium ionization detector 2,
the air-isolated carrier gas device comprises a six-way valve 3, a first quantitative pipe 4 and a second quantitative pipe 5, the central separation device comprises a ten-way valve A6 and a ten-way valve B7, the gas supply device comprises a gas supply bottle group 8, a first carrier gas pipeline 9, a second carrier gas pipeline 10, a third carrier gas pipeline 11 and a fourth carrier gas pipeline 12 which are connected with the gas supply bottle group 8, and the temperature-controlled chromatographic column box 1 comprises a first chromatographic column 13 and a second chromatographic column 14;
the six-way valve 3 is connected with the GIS air chamber, the six-way valve 3 is connected to the ten-way valve A6 through a first quantitative pipe 4, and the six-way valve 3 is connected to the ten-way valve B7 through a second quantitative pipe 5; the first carrier gas pipeline 9 is connected to the first quantitative tube 4 through a ten-way valve A6, the second carrier gas pipeline 10 is sequentially connected with the ten-way valve A6 and a ten-way valve B7, the third carrier gas pipeline 11 is connected to the second quantitative tube 5 through the ten-way valve B7, and the fourth carrier gas pipeline 12 is connected to the temperature-controlled chromatographic column box 1; the ten-way valve A6 is connected with the ten-way valve B7 through a first communicating pipe 15 and a second communicating pipe 16; the ten-way valve A6 is connected with the first chromatographic column 13, and the ten-way valve B7 is connected with the second chromatographic column 14 and the helium ionization detector 2.
The first chromatographic column 13 environmental parameters: column temperature 80 °, flow rate 15ml/min, fraction separation: h2S、COS、SO2F2、SO2F；
Environmental parameters of the second chromatography column 14: column temperature 40 °, flow rate 5ml/min, fraction separation: SO (SO)2。
The helium ionization detector 2 is a PDD detector.
The gas cylinder group 8 comprises a helium gas cylinder group 81 and an air cylinder group 82, the helium gas cylinder group 81 comprises a plurality of helium gas cylinders connected in series, the air cylinder group 82 comprises at least one air cylinder, the helium gas cylinder group 81 is connected with a first carrier gas pipeline 9, a second carrier gas pipeline 10 and a third carrier gas pipeline 11, and the air cylinder group 82 is connected with a fourth carrier gas pipeline 12.
When the separation system starts the activation treatment, the first chromatographic column 13 and the second chromatographic column 14 control and output air flow rate of 0.5MPa and 50ml/min through the air bottle group 82, and the temperature is controlled to carry out chromatographic column activation by the temperature rise process of 50-300 ℃.
The working process of the invention is as follows:
step 1, referring to fig. 1, when sampling is performed: gas in the GIS gas chamber sequentially passes through the ports 2 and 3 of the six-way valve 3, the ports 3 and 2 of the ten-way valve A6, the first quantitative pipe 4, the ports 5 and 4 of the ten-way valve A6, the ports 3 and 2 of the ten-way valve B7, the second quantitative pipe 5 and the ports 5 and 4 of the ten-way valve B7, finally returns to the port 6 of the six-way valve 3, is discharged through the port 1 of the six-way valve 3, and when the first quantitative pipe 4 and the second quantitative pipe 5 are filled with samples, the six-way valve 3 switches valve ports to cut off gas and isolate air;
step 2, referring to fig. 2, when the first chromatography column 13 is injected: the helium bottle group 81 is started to supply helium, the helium enters the first carrier gas pipeline 9, then passes through the port 1 and the port 2 of the ten-way valve A6, then enters the first quantitative tube 4, and the gas sample to be detected in the first quantitative tube 4 is conveyed to the first chromatographic column 13 of the temperature-controlled chromatographic column box 1 from the port 5 and the port 6 of the ten-way valve A6 in sequence for separation (the first chromatographic column 13 is used for separating a component H2S、COS、SO2F2、SO2F) (ii) a The separated sample sequentially passes through the 10 ports and the 9 ports of the ten-way valve A6 and the 8 ports and the 9 ports of the ten-way valve B7, and finally enters a PDD detector for detection.
Step 3, referring to fig. 3, when the second chromatographic column 14 is injected: the helium bottle group 81 is started to supply helium, the helium enters the third carrier gas pipeline 11, then passes through the port 1 and the port 2 of the ten-way valve B7, then enters the second quantitative tube 5, and the gas sample to be detected in the second quantitative tube 5 is conveyed to the second chromatographic column 14 of the temperature-controlled chromatographic column box 1 from the port 5 and the port 6 of the ten-way valve B7 in sequence for separation (the second chromatographic column 14 separates components: SO)2) (ii) a After separationThe sample passes through the 8 ports and the 9 ports of the ten-way valve B7 in sequence and finally enters the PDD detector for detection.
And finally, combining the detection results of the two times to obtain the component content of the sample to be detected.
And continuously circulating the steps.
When the system is in sampling operation, the second carrier gas pipeline 10 is sequentially connected with the ports 8 and 9 of the ten-way valve A6 and the ports 8 and 9 of the ten-way valve B7, and is finally connected to the PDD detector; when the ten-way valve A6 is in sample injection operation, the second carrier gas conduit 10 is connected to the 8 port of the ten-way valve A6 and directly evacuated through the 7 port of the ten-way valve A6.
When the chromatographic column needs to be activated, the air bottle group 82 is adjusted to control and output the air flow rate of 0.5MPa and 50ml/min, the first chromatographic column 13 and the second chromatographic column 14 of the temperature-controlled chromatographic column box 1 are supplied with air through the fourth carrier gas pipeline 12, and the temperature is controlled to carry out the chromatographic column activation through the temperature rise process of 50-300 ℃.
The invention utilizes the switching of various valves and the separation action of the chromatographic column on the detection sample, can carry out uninterrupted separation detection on the sulfide gas in the GIS gas chamber, and can respond the content and the change of the components of the detected object without distortion; and when the performance of the chromatographic column is reduced, activation treatment can be carried out to achieve the performance resetting effect, and high-response separation and long-term separation detection of the components of the sample to be detected are realized.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.

Claims (5)

1.一种关于GIS气室中硫化物气体长期不间断分离系统，其特征在于：所述系统包括隔绝空气式载气装置、中心分离装置、供气装置、控温色谱柱箱以及氦离子化检测器，1. about a long-term uninterrupted separation system of sulfide gas in the GIS gas chamber, it is characterized in that: described system comprises isolated air carrier gas device, central separation device, air supply device, temperature-controlled chromatographic column box and helium ionization Detector, 所述隔绝空气式载气装置包括六通阀、第一定量管以及第二定量管，所述中心分离装置包括十通阀A和十通阀B，所述供气装置包括供气瓶组以及与供气瓶组相连的第一载气管道、第二载气管道、第三载气管道和第四载气管道，所述控温色谱柱箱包括第一色谱柱和第二色谱柱；The isolated air carrier gas device includes a six-way valve, a first quantitative pipe and a second quantitative pipe, the central separation device includes a ten-way valve A and a ten-way valve B, and the gas supply device includes a gas supply cylinder group. and a first carrier gas pipeline, a second carrier gas pipeline, a third carrier gas pipeline and a fourth carrier gas pipeline connected to the gas supply cylinder group, and the temperature-controlled chromatographic column box includes a first chromatographic column and a second chromatographic column; 所述六通阀与GIS气室相连，所述六通阀通过第一定量管连接至十通阀A，且所述六通阀通过第二定量管连接至十通阀B；所述第一载气管道通过十通阀A连接至第一定量管，所述第二载气管道依次连接十通阀A和十通阀B，所述第三载气管道通过十通阀B连接至第二定量管，所述第四载气管道连接至控温色谱柱箱；所述十通阀A和十通阀B之间通过第一连通管和第二连通管相连；所述十通阀A与第一色谱柱相连，所述十通阀B与第二色谱柱以及氦离子化检测器相连。The six-way valve is connected to the GIS air chamber, the six-way valve is connected to the ten-way valve A through a first quantitative pipe, and the six-way valve is connected to the ten-way valve B through a second quantitative pipe; A carrier gas pipeline is connected to the first quantitative pipe through the ten-way valve A, the second carrier gas pipeline is connected to the ten-way valve A and the ten-way valve B in sequence, and the third carrier gas pipeline is connected to the ten-way valve B through the ten-way valve B. The second quantitative tube, the fourth carrier gas pipeline is connected to the temperature-controlled chromatographic column box; the ten-way valve A and the ten-way valve B are connected through a first communication tube and a second communication tube; the ten-way valve A is connected to the first chromatographic column, and the ten-way valve B is connected to the second chromatographic column and the helium ionization detector. 2.根据权利要求1所述的一种关于GIS气室中硫化物气体长期不间断分离系统，其特征在于：所述第一色谱柱环境参数：柱温80°，流速15ml/min，分离组分：H2S、COS、SO2F2、SO2F；2. a kind of long-term uninterrupted separation system about sulfide gas in GIS gas chamber according to claim 1, is characterized in that: described first chromatographic column environmental parameter: column temperature 80 °, flow velocity 15ml/min, separation group Points: H 2 S, COS, SO 2 F 2 , SO 2 F; 所述第二色谱柱环境参数：柱温40°，流速5ml/min，分离组分：SO2。The environmental parameters of the second chromatographic column: the column temperature is 40°, the flow rate is 5ml/min, and the separation component: SO 2 . 3.根据权利要求1所述的一种关于GIS气室中硫化物气体长期不间断分离系统，其特征在于：所述氦离子化检测器为PDD检测器。3 . The long-term uninterrupted separation system for sulfide gas in a GIS gas chamber according to claim 1 , wherein the helium ionization detector is a PDD detector. 4 . 4.根据权利要求1所述的一种关于GIS气室中硫化物气体长期不间断分离系统，其特征在于：所述气瓶组包括氦气瓶组和空气瓶组，所述氦气瓶组包括复数个串联的氦气瓶，所述空气瓶组包括至少一空气瓶，所述氦气瓶组与第一载气管道、第二载气管道以及第三载气管道相连，所述空气瓶组与第四载气管道相连。4. A long-term uninterrupted separation system for sulfide gas in a GIS gas chamber according to claim 1, wherein the gas cylinder group comprises a helium cylinder group and an air cylinder group, and the helium cylinder group Including a plurality of helium cylinders connected in series, the air cylinder group includes at least one air cylinder, the helium cylinder group is connected with the first carrier gas pipeline, the second carrier gas pipeline and the third carrier gas pipeline, the air cylinder The group is connected to the fourth carrier gas line. 5.根据权利要求4所述的一种关于GIS气室中硫化物气体长期不间断分离系统，其特征在于：当分离系统开启活化处理时，第一色谱柱、第二色谱柱通过所述空气瓶组控制输出0.5MPa、50ml/min的空气流速，并控制温度由50-300℃的升温过程进行色谱柱活化。5. The long-term uninterrupted separation system for sulfide gas in the GIS gas chamber according to claim 4, characterized in that: when the separation system is activated for activation, the first chromatographic column and the second chromatographic column pass through the air The bottle group controls the output air flow rate of 0.5MPa and 50ml/min, and controls the temperature to activate the chromatographic column through the heating process of 50-300℃.
CN201911194918.3A 2019-11-28 2019-11-28 Long-term uninterrupted separation system for sulfide gas in GIS gas chamber Pending CN110927295A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102353737A (en) * 2011-08-26 2012-02-15 广东电网公司电力科学研究院 Detection device for detecting sulfur hexafluoride electrical equipment fault gas
CN202305489U (en) * 2011-11-07 2012-07-04 福建亿榕信息技术有限公司 Chromatographic instrument for detecting failure of SF6 electric equipment
CN104155402A (en) * 2014-08-27 2014-11-19 上海华爱色谱分析技术有限公司 Helium ionization gas chromatography system for analyzing decomposition products of SF6
CN104198638A (en) * 2014-08-20 2014-12-10 国家电网公司 Chromatographic analysis system and method for detecting sulfur hexafluoride decomposition products
CN104849376A (en) * 2015-06-15 2015-08-19 国网山西省电力公司电力科学研究院 Chromatographic test device capable of prolonging lifespan of chromatographic column and test method thereof
US20190107517A1 (en) * 2016-10-31 2019-04-11 Electric Power Research Institute Of Guangdong Power Grid Co., Ltd. Refilling-type online chromatographic detector for sulphur hexafluoride decomposition products
CN211652717U (en) * 2019-11-28 2020-10-09 福建亿榕信息技术有限公司 Long-term uninterrupted separation system for sulfide gas in GIS gas chamber

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102353737A (en) * 2011-08-26 2012-02-15 广东电网公司电力科学研究院 Detection device for detecting sulfur hexafluoride electrical equipment fault gas
CN202305489U (en) * 2011-11-07 2012-07-04 福建亿榕信息技术有限公司 Chromatographic instrument for detecting failure of SF6 electric equipment
CN104198638A (en) * 2014-08-20 2014-12-10 国家电网公司 Chromatographic analysis system and method for detecting sulfur hexafluoride decomposition products
CN104155402A (en) * 2014-08-27 2014-11-19 上海华爱色谱分析技术有限公司 Helium ionization gas chromatography system for analyzing decomposition products of SF6
CN104849376A (en) * 2015-06-15 2015-08-19 国网山西省电力公司电力科学研究院 Chromatographic test device capable of prolonging lifespan of chromatographic column and test method thereof
US20190107517A1 (en) * 2016-10-31 2019-04-11 Electric Power Research Institute Of Guangdong Power Grid Co., Ltd. Refilling-type online chromatographic detector for sulphur hexafluoride decomposition products
CN211652717U (en) * 2019-11-28 2020-10-09 福建亿榕信息技术有限公司 Long-term uninterrupted separation system for sulfide gas in GIS gas chamber

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