CN112305136A - Combined carrier gas supply device of insulating oil chromatography online monitoring system - Google Patents
Combined carrier gas supply device of insulating oil chromatography online monitoring system Download PDFInfo
- Publication number
- CN112305136A CN112305136A CN202011136657.2A CN202011136657A CN112305136A CN 112305136 A CN112305136 A CN 112305136A CN 202011136657 A CN202011136657 A CN 202011136657A CN 112305136 A CN112305136 A CN 112305136A
- Authority
- CN
- China
- Prior art keywords
- air
- carrier gas
- gas supply
- supply device
- drying device
- 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.)
- Pending
Links
- 239000012159 carrier gas Substances 0.000 title claims abstract description 31
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000004587 chromatography analysis Methods 0.000 title claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 41
- 239000004065 semiconductor Substances 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000005245 sintering Methods 0.000 claims abstract description 20
- 238000009825 accumulation Methods 0.000 claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 238000013375 chromatographic separation Methods 0.000 claims description 10
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 8
- 238000004887 air purification Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000012806 monitoring device Methods 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
Classifications
-
- 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
- G01N30/16—Injection
- G01N30/20—Injection using a sampling valve
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Drying Of Gases (AREA)
Abstract
The application provides a pair of combination formula carrier gas air feeder of insulating oil chromatogram on-line monitoring system, separately carries out the integrated design with three functions of transmission and control, the air storage of air purification, convenient installation in the insulating oil chromatogram on-line monitoring device of different specifications, does not receive the space restriction. The metal powder sintering filter and the semiconductor drying device are used for dehumidifying air, and the evolved air is stored in the air storage tank, so that compressed air with reliable quality can be provided, and the quality of the compressed air is ensured to meet the separation requirement of a chromatographic column. The device is also provided with a gas accumulation flowmeter, and when the measurement of the gas accumulation flowmeter reaches a set value, the purified air is used for reversely blowing the metal powder sintering filter, so that the system is automatically cleaned without maintenance, and the workload of field operators is reduced. In conclusion, the device has the advantages of reliable gas supply, no maintenance, small volume and combined layout, and can be suitable for insulating oil chromatography online monitoring systems with various specifications.
Description
Technical Field
The application relates to the technical field of power equipment on-line monitoring, in particular to a combined type carrier gas supply device of an insulating oil chromatography on-line monitoring system.
Background
The insulating oil chromatographic on-line monitoring system is provided with a chromatographic analysis unit and a chromatographic separation unit 101, wherein the chromatographic analysis unit is used for analyzing the content of each component (mainly comprising hydrogen, carbon monoxide, carbon dioxide, methane, ethane, ethylene and acetylene) of dissolved gas in insulating oil on line so as to obtain the internal operation conditions of oil-filled electrical equipment such as an oil-filled transformer, a reactor and a mutual inductor, and troubleshooting and diagnosing fault problems in time according to the internal operation conditions of the equipment, so that the oil-filled electrical equipment and a power grid system can be safely and stably operated.
The chromatographic separation unit 101 needs to use compressed air with a certain pressure as a carrier gas to achieve an effective separation of the components of the dissolved gas in the insulating oil. The common carrier gas supply device used by the insulating oil chromatography on-line monitoring system uses compressed air filled in a steel cylinder as a carrier gas source. However, many manufacturers with the capability of manufacturing the insulating oil chromatography online monitoring system have no unified regulation on the carrier gas supply device, so that the compressed gas steel cylinders used by different manufacturers have different specifications, and the volume of the carrier gas supply device cannot be produced by adopting a fixed specification.
Based on this, the application provides a combination formula carrier gas air feeder of insulating oil chromatogram on-line monitoring system for solve the carrier gas air feeder based on insulating oil chromatogram on-line monitoring system, the technical problem that the device volume is limited.
Disclosure of Invention
The application provides a combination formula carrier gas air feeder of insulating oil chromatogram on-line monitoring system to solve the carrier gas air feeder based on insulating oil chromatogram on-line monitoring system, the technical problem that the device volume is limited.
The application provides a combined carrier gas supply device of an insulating oil chromatography online monitoring system, which comprises a metal powder sintering filter, a semiconductor drying device, an air storage tank and a controller; the gas outlet of the metal powder sintering filter is communicated with the gas inlet of the semiconductor drying device; an air inlet is formed in the metal powder sintering filter; the air outlet of the semiconductor drying device is communicated with the air inlet of the air storage tank; a booster pump and a three-way electromagnetic valve are sequentially arranged between the semiconductor drying device and the air storage tank; the gas outlet of the semiconductor drying device is communicated with the gas inlet of the booster pump; an air inlet of the three-way electromagnetic valve is communicated with an air outlet of the booster pump, and two air outlets of the three-way electromagnetic valve are respectively communicated with an air inlet of the semiconductor drying device and an air inlet of the air storage tank; a pressure sensor is arranged in the air storage tank; the air storage tank is communicated with the chromatographic separation unit through a pressure stabilizing valve;
the controller is connected with the booster pump, the three-way electromagnetic valve and the pressure sensor; and the controller controls the start and stop of the booster pump according to the pressure value of the pressure sensor.
Optionally, an automatic evacuation valve is arranged on the semiconductor drying device.
Optionally, a humidity sensor is arranged between the booster pump and the three-way electromagnetic valve.
Optionally, the humidity sensor is connected with the controller; and the controller controls the switch of the air outlet of the three-way electromagnetic valve according to the humidity value of the humidity sensor.
Optionally, a gas accumulation flowmeter is arranged between the air storage tank and the pressure stabilizing valve; and the gas accumulation flowmeter is communicated with the metal powder sintering filter through an electromagnetic valve.
Optionally, the metal powder sintered filter is communicated with the semiconductor drying device through a hose and a quick plug.
Optionally, the semiconductor drying device is communicated with the booster pump through a hose and a quick plug.
Optionally, the hose is made of polytetrafluoroethylene.
Optionally, the booster pump is communicated with the air storage tank through a stainless steel pipe.
Optionally, the air storage tank is communicated with the chromatographic separation unit through a stainless steel pipe.
The application provides a combination formula carrier gas air feeder of insulating oil chromatogram on-line monitoring system, with air purification, the transmission and the control of air, three function separation carry out the integrated design of air storage, the installation that can be convenient is not restricted by the space in the insulating oil chromatogram on-line monitoring device of different specifications. The metal powder sintering filter and the semiconductor drying device are used for dehumidifying air, and the purified air is stored in the air storage tank, so that the compressed air with reliable quality can be provided, and the quality of the compressed air is ensured to meet the separation requirement of the chromatographic column. The device is also provided with a gas accumulation flowmeter, and when the measurement of the gas accumulation flowmeter reaches a set value, the purified air is used for reversely blowing the metal powder sintering filter, so that the system is automatically cleaned without maintenance, and the workload of field operators is reduced. In conclusion, the device has the advantages of reliable gas supply, no maintenance, small volume and combined layout, and can be suitable for insulating oil chromatography online monitoring systems with various specifications.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a combined carrier gas supply device of an insulating oil chromatography online monitoring system provided in an embodiment of the present application;
illustration of the drawings:
wherein, 1-metal powder sintering filter; 2-semiconductor drying device; 3-an air storage tank; 4-a controller; 5-an air inlet; 6-a booster pump; 7-three-way electromagnetic valve; 8-a pressure sensor; 9-a pressure maintaining valve; 10-automatic emptying valve; 11-a humidity sensor; 12-gas accumulation flow meter; 13-a solenoid valve; 101-chromatographic separation unit.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as exemplifications of systems and methods consistent with certain aspects of the application, as recited in the claims.
Referring to fig. 1, a schematic structural diagram of a combined carrier gas supply device of an online insulating oil chromatography monitoring system according to an embodiment of the present application is provided.
The application provides a combination formula carrier gas air feeder of insulating oil chromatogram on-line monitoring system, including metal powder sintering filter 1, semiconductor drying device 2, air storage tank 3 and controller 4.
The gas outlet of the metal powder sintering filter 1 is communicated with the gas inlet of the semiconductor drying device 2. The metal powder sintered filter 1 is provided with an air inlet 5. The air outlet of the semiconductor drying device 2 is communicated with the air inlet of the air storage tank 3. A booster pump 6 and a three-way electromagnetic valve 7 are sequentially arranged between the semiconductor drying device 2 and the air storage tank 3. And the air outlet of the semiconductor drying device 2 is communicated with the air inlet of the booster pump 6. And the air inlet of the three-way electromagnetic valve 7 is communicated with the air outlet of the booster pump 6, and the two air outlets of the three-way electromagnetic valve 7 are respectively communicated with the air inlet of the semiconductor drying device 2 and the air inlet of the air storage tank 3. A pressure sensor 8 is arranged inside the air storage tank 3. The air storage tank 3 is communicated with a chromatographic separation unit 101 through a pressure stabilizing valve 9.
Specifically, the metal powder sintered filter 1 and the semiconductor drying device 2 are used for dehumidifying air, so that compressed air with reliable quality can be provided, and the quality of the compressed air can be ensured to meet the separation requirement of a chromatographic column.
Specifically, the surge damping valve 9 controls the opening of the opening/closing member in the valve body to regulate the flow rate of the medium, reduces the pressure of the medium, regulates the opening of the opening/closing member by the action of the pressure after the valve to keep the pressure after the valve within a certain range, and keeps the outlet pressure within a set range under the condition that the inlet pressure is constantly changed to protect the subsequent equipment.
The controller 4 is connected with the booster pump 6, the three-way electromagnetic valve 7 and the pressure sensor 8. The controller 4 controls the start and stop of the booster pump 6 according to the pressure value of the pressure sensor 8.
The application provides a combination formula carrier gas air feeder of insulating oil chromatogram on-line monitoring system, with air purification, the transmission and the control of air, three function separation carry out the integrated design of air storage, the installation that can be convenient is not restricted by the space in the insulating oil chromatogram on-line monitoring device of different specifications. The metal powder sintering filter 1 and the semiconductor drying device 2 are used for dehumidifying air, and the purified air is stored in the air storage tank 3, so that the compressed air with reliable quality can be provided, and the quality of the compressed air can meet the separation requirement of a chromatographic column. The device is also provided with a gas accumulation flowmeter 12, and when the measurement of the gas accumulation flowmeter 12 reaches a set value, the purified air is used for reversely blowing the metal powder sintering filter 1, so that the system is automatically cleaned without maintenance, and the workload of field operators is reduced. In conclusion, the device has the advantages of reliable gas supply, no maintenance, small volume and combined layout, and can be suitable for insulating oil chromatography online monitoring systems with various specifications.
In some embodiments of the present application, an automatic evacuation valve 10 is provided on the semiconductor drying apparatus 2.
In particular, the automatic drain valve 10 is used to drain water from the semiconductor drying apparatus 2.
In some embodiments of the present application, a humidity sensor 11 is disposed between the booster pump 6 and the three-way solenoid valve 7.
In some embodiments of the present application, the humidity sensor 11 is connected to the controller 4. And the controller 4 controls the opening and closing of the air outlet of the three-way electromagnetic valve 7 according to the humidity value of the humidity sensor 11.
In some embodiments of the present application, a gas accumulation flow meter 12 is disposed between the air storage tank 3 and the pressure maintaining valve 9. The gas accumulation flowmeter 12 is communicated with the metal powder sintered filter 1 through an electromagnetic valve 13.
Specifically, the gas accumulation flowmeter 12 performs back purging on the filter element in the metal powder sintered filter 1, and normal operation in environments with different air quality can be realized by setting a back purging period of the gas accumulation flowmeter 12. The running environment with better air quality can set a larger accumulated flow value, and the back flushing period is properly prolonged. And vice versa.
In some embodiments of the present application, the metal powder sintered filter 1 communicates with the semiconductor drying device 2 through a hose and a quick plug.
In some embodiments of the present application, the semiconductor drying device 2 communicates with the booster pump 6 through a hose and a quick connector.
In some embodiments of the present application, the material of the hose is polytetrafluoroethylene.
The polytetrafluoroethylene hose has excellent chemical stability, corrosion resistance, self-lubricating non-adhesiveness, electrical insulation and excellent ageing resistance, and is usually used for conveying strong corrosive media at high temperature. The corrosion-resistant coating can be used at-60-250 ℃ for a long time, has reliable and excellent corrosion resistance, and is widely applied to industries such as national defense, aerospace, electronics, electrical, chemical, machinery, instruments, medical treatment, food and the like.
The quick plug is a joint which can realize the connection or disconnection of pipelines without tools. It is time-saving, labor-saving, economical, environment-friendly and convenient for transportation.
In some embodiments of the present application, the booster pump 6 communicates with the air tank 3 through a stainless steel pipe.
Specifically, the stainless steel pipe is a hollow long round steel material, and is widely used mainly for industrial transportation pipelines and mechanical structural parts such as petroleum, chemical engineering, medical treatment, food, light industry, mechanical instruments and the like. The stainless steel pipe is an economic section steel material, is an important product in the steel industry, usually accounts for about 8 to 16 percent of the total weight of all steel materials, has extremely wide application range in national economy, is an economic section steel material for saving metal, is an important component of high-efficiency steel materials, and particularly has great requirements in industries such as petroleum drilling, smelting, conveying and the like. A large number of various stainless steel pipes are also required in geological drilling, chemical engineering, construction industry, machinery industry, aircraft and automobile manufacturing, as well as in boiler, medical equipment, furniture and bicycle manufacturing. The stainless steel pipe has a hollow section, so that the stainless steel pipe is suitable for being used as a conveying pipeline of liquid, gas and solid. Meanwhile, compared with round steel with the same weight, the steel pipe has large section coefficient and large bending and torsion resistance strength, so the steel pipe also becomes an important material for various machines and building structures. Structures and components made of stainless steel tubing have a larger section modulus than solid components.
In the device that this application provided, pipeline before booster pump 6 passes through polytetrafluoroethylene hose and fast plug connection, and pipeline behind the booster pump 6 passes through nonrust steel pipe and connects. The used polytetrafluoroethylene hose of device that this application provided and all can freely be crooked with nonrust steel pipe, make things convenient for device combination and installation.
In some embodiments of the present application, the air reservoir 3 communicates with the chromatographic separation unit 101 through a stainless steel tube.
The application discloses a method for using a combined carrier gas supply device of an insulating oil chromatography on-line monitoring system is as follows:
when the pressure sensor 8 detects that the pressure value in the air storage tank 3 is lower than 0.6MPa, the controller 4 controls the automatic emptying valve 10 in the semiconductor drying device 2 to start and stop once, so that the purpose of draining water of the semiconductor drying device 2 is achieved. After the automatic evacuation valve 10 is closed, the booster pump 6 is simultaneously activated to suck air from the air inlet 5 and to remove impurities such as particles and dust from the air by passing through the metal powder sintered filter 1.
The air filtered by the metal powder sintered filter 1 enters a semiconductor drying device 2, and the semiconductor drying device 2 is used for removing moisture in the air.
The purified and dried gas is judged by a humidity sensor 11, and after the humidity is qualified, the qualified air enters the air storage tank 3 through a three-way electromagnetic valve 7. When the humidity does not meet the requirement, air enters the inlet of the semiconductor drying device 2 through the three-way electromagnetic valve 7.
When the pressure sensor 8 detects that the pressure of the air storage tank 3 reaches 0.8MPa, the booster pump 6 stops working.
The air outlet of the air storage tank 3 is communicated with a pressure stabilizing valve 9, and the chromatographic separation unit 101 of the chromatographic air inlet system of the insulating oil chromatography online detection system is arranged. The pressure value in the air storage tank 3 is controlled between 0.6MPa and 0.8 MPa. The outlet pressure of the pressure stabilizing valve 9 is set according to the rated values of the inlet pressure of chromatographic columns of different manufacturers, and is generally 0.5 MPa.
When the measurement of the gas accumulation flowmeter 12 reaches a set value (the set value is generally 50L-80L), the controller 4 controls the electromagnetic valve 13 to be opened, so that the air purified by the metal powder sintering filter 1 and the semiconductor drying device 2 reversely sweeps the filter element in the metal powder sintering filter 1, and the purpose of automatic cleaning and maintenance-free of the device is achieved.
According to the technical scheme, the combined carrier gas supply device of the insulating oil chromatography on-line monitoring system has the advantages that three functions of air purification, air transmission and control and air storage are separately combined. The use of the metal powder sintered filter 1 and the semiconductor drying device 2 to dehumidify air and store the purified air in the air tank 3 enables the supply of compressed air of reliable quality. In addition, a gas accumulation flowmeter 12 is provided to reversely purge the filter element in the metal powder sintered filter 1 with the purified air.
In practical application, the device can be conveniently installed in insulating oil chromatography on-line monitoring devices of different specifications without space limitation, and the metal powder sintering filter 1 and the semiconductor drying device 2 ensure that the quality of compressed air meets the separation requirement of a chromatographic column. The design of the gas accumulation flowmeter 12 enables the system to be automatically cleaned without maintenance, and reduces the workload of field operators. In conclusion, the device has the advantages of reliable gas supply, no maintenance, small volume and combined layout, and can be suitable for insulating oil chromatography online monitoring systems with various specifications.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (10)
1. A combined carrier gas supply device of an insulating oil chromatography online monitoring system is characterized by comprising a metal powder sintering filter (1), a semiconductor drying device (2), an air storage tank (3) and a controller (4);
the gas outlet of the metal powder sintering filter (1) is communicated with the gas inlet of the semiconductor drying device (2); an air inlet (5) is formed in the metal powder sintering filter (1); the air outlet of the semiconductor drying device (2) is communicated with the air inlet of the air storage tank (3); a booster pump (6) and a three-way electromagnetic valve (7) are sequentially arranged between the semiconductor drying device (2) and the air storage tank (3); the gas outlet of the semiconductor drying device (2) is communicated with the gas inlet of the booster pump (6); an air inlet of the three-way electromagnetic valve (7) is communicated with an air outlet of the booster pump (6), and two air outlets of the three-way electromagnetic valve (7) are respectively communicated with an air inlet of the semiconductor drying device (2) and an air inlet of the air storage tank (3); a pressure sensor (8) is arranged in the air storage tank (3); the air storage tank (3) is communicated with the chromatographic separation unit (101) through a pressure stabilizing valve (9);
the controller (4) is connected with the booster pump (6), the three-way electromagnetic valve (7) and the pressure sensor (8); and the controller (4) controls the start and stop of the booster pump (6) according to the pressure value of the pressure sensor (8).
2. Combined carrier gas supply device according to claim 1, characterized in that an automatic evacuation valve (10) is provided on the semiconductor drying device (2).
3. The combined carrier gas supply device according to claim 1, wherein a humidity sensor (11) is provided between the booster pump (6) and the three-way solenoid valve (7).
4. The combined carrier gas supply device according to claim 3, wherein the humidity sensor (11) is connected to the controller (4); and the controller (4) controls the opening and closing of the air outlet of the three-way electromagnetic valve (7) according to the humidity value of the humidity sensor (11).
5. The combined carrier gas supply device according to claim 1, wherein a gas accumulation flow meter (12) is arranged between the air storage tank (3) and the pressure stabilizing valve (9); the gas accumulation flowmeter (12) is communicated with the metal powder sintering filter (1) through an electromagnetic valve (13).
6. The combined carrier gas supply device according to claim 1, wherein the metal powder sintered filter (1) communicates with the semiconductor drying device (2) through a hose and a quick plug.
7. The combined carrier gas supply device according to claim 1, wherein the semiconductor drying device (2) communicates with the booster pump (6) through a hose and a quick plug.
8. The combined carrier gas supply device according to claim 6 or 7, wherein the hose is made of polytetrafluoroethylene.
9. The combined carrier gas supply device according to claim 1, wherein the booster pump (6) communicates with the air reservoir (3) through a stainless steel tube.
10. The combined carrier gas supply device according to claim 1, wherein the air reservoir (3) communicates with the chromatographic separation unit (101) through a stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136657.2A CN112305136A (en) | 2020-10-22 | 2020-10-22 | Combined carrier gas supply device of insulating oil chromatography online monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011136657.2A CN112305136A (en) | 2020-10-22 | 2020-10-22 | Combined carrier gas supply device of insulating oil chromatography online monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112305136A true CN112305136A (en) | 2021-02-02 |
Family
ID=74328470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011136657.2A Pending CN112305136A (en) | 2020-10-22 | 2020-10-22 | Combined carrier gas supply device of insulating oil chromatography online monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112305136A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06194353A (en) * | 1992-06-30 | 1994-07-15 | Hideo Ueda | Method and system for generating carrier gas |
| CN202683079U (en) * | 2011-02-22 | 2013-01-23 | 三菱丽阳株式会社 | Membrane separation treating device |
| CN202729869U (en) * | 2012-07-25 | 2013-02-13 | 北京朗新明环保科技有限公司南京分公司 | Automatic integrated coagulation, clarification and filtration device |
| CN104034829A (en) * | 2014-05-29 | 2014-09-10 | 大连世有电力科技有限公司 | Gas supply device for transformer oil chromatography on-line monitoring system |
| CN104747406A (en) * | 2015-02-27 | 2015-07-01 | 安徽寅时压缩机制造有限公司 | Natural gas compressor with dehumidification function |
| CN207020135U (en) * | 2017-07-04 | 2018-02-16 | 江苏海立普电力科技有限公司 | A kind of chromatography online monitoring system for transformer oil |
| CN110108824A (en) * | 2019-05-24 | 2019-08-09 | 国电南瑞科技股份有限公司 | A kind of non-maintaining substation's oil chromatography carrier gas module |
| CN210874737U (en) * | 2019-08-07 | 2020-06-30 | 广东电网有限责任公司 | Gaseous clean system of chromatograph |
-
2020
- 2020-10-22 CN CN202011136657.2A patent/CN112305136A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06194353A (en) * | 1992-06-30 | 1994-07-15 | Hideo Ueda | Method and system for generating carrier gas |
| CN202683079U (en) * | 2011-02-22 | 2013-01-23 | 三菱丽阳株式会社 | Membrane separation treating device |
| CN202729869U (en) * | 2012-07-25 | 2013-02-13 | 北京朗新明环保科技有限公司南京分公司 | Automatic integrated coagulation, clarification and filtration device |
| CN104034829A (en) * | 2014-05-29 | 2014-09-10 | 大连世有电力科技有限公司 | Gas supply device for transformer oil chromatography on-line monitoring system |
| CN104747406A (en) * | 2015-02-27 | 2015-07-01 | 安徽寅时压缩机制造有限公司 | Natural gas compressor with dehumidification function |
| CN207020135U (en) * | 2017-07-04 | 2018-02-16 | 江苏海立普电力科技有限公司 | A kind of chromatography online monitoring system for transformer oil |
| CN110108824A (en) * | 2019-05-24 | 2019-08-09 | 国电南瑞科技股份有限公司 | A kind of non-maintaining substation's oil chromatography carrier gas module |
| CN210874737U (en) * | 2019-08-07 | 2020-06-30 | 广东电网有限责任公司 | Gaseous clean system of chromatograph |
Non-Patent Citations (2)
| Title |
|---|
| 国家机械工业局行业管理司 等: "仪器仪表产品目录 第1册", 煤炭工业出版社, pages: 142 * |
| 李学锋 等: "空气发生器用于油色谱在线监测装置的应用研究", 《宁夏电力》, no. 04, 28 August 2020 (2020-08-28) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112305136A (en) | Combined carrier gas supply device of insulating oil chromatography online monitoring system | |
| CN201470193U (en) | Filter | |
| TWI786951B (en) | Filter apparatus with vented core | |
| CN206740730U (en) | A kind of gas circuit cascaded structure of gas on-line monitoring system | |
| CN104236621A (en) | Benzene hydrogenation engineering instrument pipeline and tap component manufacturing and mounting method | |
| CN212276276U (en) | Air compression compensation device | |
| CN208417595U (en) | A kind of novel and multifunctional valve | |
| CN206637172U (en) | A kind of band monitoring and the pressure balancing type expansion joint of bypass straight tube of safeguard function | |
| CN215641060U (en) | Gas supply device of oil chromatography on-line monitoring system | |
| CN206943558U (en) | A kind of split type pneumatic actuator for flotation Valve controlling | |
| CN209210858U (en) | A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit | |
| CN207406888U (en) | A kind of exhaust apparatus for pneumatic actuator | |
| CN207570778U (en) | A kind of voltage-resisting test apparatus | |
| CN205282893U (en) | Automatically controlled cabinet anticorrosives | |
| CN204193679U (en) | A kind of micro positive pressure protection device | |
| CN204693041U (en) | medical compressed air system | |
| CN211779294U (en) | High-pressure liquid pneumatic control valve | |
| CN204709970U (en) | Positive voltage type anti-explosion motor instrument wind filters sedimentation device | |
| CN108591521A (en) | Novel and multifunctional valve | |
| CN208975359U (en) | A kind of gas-filtering device for Chemical Manufacture | |
| CN204387558U (en) | A kind of adaptive joint of water-cooled vacuum pump gas exhaust duct | |
| CN2091391U (en) | Direct-flow full flow stop valve | |
| CN219119356U (en) | Air inlet system and generator set | |
| CN221440439U (en) | Reverse osmosis equipment raw water tank liquid level sensor device for treating high-concentration brine | |
| CN221037903U (en) | Detection device for simulating permeability of pipeline in hydrogen/helium service environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210202 |