CN110989702B - Sulfur hexafluoride gas micro-water standard exceeding online charged treatment device and treatment method - Google Patents
Sulfur hexafluoride gas micro-water standard exceeding online charged treatment device and treatment method Download PDFInfo
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- CN110989702B CN110989702B CN201911246326.1A CN201911246326A CN110989702B CN 110989702 B CN110989702 B CN 110989702B CN 201911246326 A CN201911246326 A CN 201911246326A CN 110989702 B CN110989702 B CN 110989702B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/035—Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power
- G05D11/08—Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing concentration of mixture, e.g. measuring pH value
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/035—Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power
- G05D11/08—Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing concentration of mixture, e.g. measuring pH value
- G05D11/10—Controlling ratio of two or more flows of fluid or fluent material with auxiliary non-electric power by sensing concentration of mixture, e.g. measuring pH value by sensing moisture of non-aqueous liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses an online electrified treatment device and method for exceeding the standard of sulfur hexafluoride gas micro-water, and solves the problems of time and labor waste and easy power failure loss of the existing treatment method. The quick plug-pull joint (13) is plugged in SF 6 In the charging/discharging port of the electric equipment, the third manual valve (18) and the first manual valve (15) are opened to allow SF to flow 6 SF in electrical equipment 6 Gas is introduced into the first SF 6 In a gas pressure vessel (1), a first gas circulation pump (5) and a first SF are started 6 Gas micro-water detector (3) for SF 6 Detecting the micro-water content of the gas, if the micro-water content is larger than an allowable value, opening a second manual valve, a fourth manual valve, a sixth manual valve, a fifth manual valve and a seventh manual valve, starting a third gas circulating pump (12), and carrying out SF gas adsorption through an adsorption tank 6 Neutralizing a first SF in an electrical device 6 SF in gas pressure vessels 6 The moisture in the gas is treated. The operation is safe, simple and convenient.
Description
Technical Field
The invention relates to electrical equipment filled with sulfur hexafluoride gas, in particular to an online electrified treatment device and method for excessive micro-water content of a circuit breaker or a GIS combined electrical appliance filled with sulfur hexafluoride gas.
Background
At present, SF 6 In the process of live operation of electrical equipment, if the micro-water content of sulfur hexafluoride gas filled in the electrical equipment exceeds the standard, the safe operation of the equipment is endangered; the existing processing method comprises the following steps: when the micro water is detected to exceed the standard, a method for processing the sulfur hexafluoride gas by power failure is adopted, the method for processing the sulfur hexafluoride gas by power failure after power failure is to wind a layer of heating tape outside the equipment, control the temperature within a certain range, then vacuumize the equipment, and repeatedly replace the equipment by high-purity nitrogen until the micro water content of the sulfur hexafluoride gas filled in the equipment is qualified and stable.
Disclosure of Invention
The invention provides an online electrified treatment device and method for sulfur hexafluoride gas with excessive micro-water, which solve the problems of time and labor waste and easy power failure loss of the existing treatment method.
The invention solves the technical problems by the following technical scheme:
the sulfur hexafluoride gas micro-water standard exceeding online charged treatment device comprises SF 6 Air charging and discharging port, quick plugging connector and first SF of electrical equipment 6 Gas pressure vessel, second SF 6 Gas pressure vessel, first SF 6 Gas micro-water detector and second SF 6 Gas micro-water detector, first gas circulating pump, second gas circulating pump, first refrigerator and second refrigeratorA first adsorption tank, a second adsorption tank, an adsorption tank heating device and a third gas circulation pump, wherein the first SF gas circulation pump is used for absorbing the first SF gas 6 A first gas micro-water detection circulating pipeline is arranged on the gas pressure container, and a first SF is arranged on the first gas micro-water detection circulating pipeline 6 A gas micro-water detector and a first gas circulating pump at a first SF 6 A first manual valve is arranged on the gas inlet of the gas pressure container, and the first SF 6 A second manual valve and a first SF are arranged on an air outlet of the gas pressure container 6 The gas pressure container is communicated with the gas inlet pipeline through a first manual valve, and the other end of the gas inlet pipeline is inserted into the SF through a quick plug-in connector 6 The air inlet pipeline of the air charging and discharging port of the electrical equipment is provided with a third manual valve and first SF 6 The gas pressure container is communicated with the adsorption tank input pipeline through a second manual valve, the other end of the adsorption tank input pipeline is communicated with the input end of the first adsorption tank, a fourth manual valve is arranged on the input end of the first adsorption tank, an adsorption tank output pipeline is connected to the output end of the first adsorption tank, the other end of the adsorption tank output pipeline is communicated with the input port of a third gas circulating pump, a fifth manual valve is arranged on the output end of the first adsorption tank, a first circulation returning pipeline is connected to the output port of the third gas circulating pump, the other end of the first circulation returning pipeline is communicated with the first SF 6 The other gas inlets of the gas pressure vessels are communicated together and are communicated with each other at the first SF 6 The gas pressure container is connected with a first refrigerator, and the first adsorption tank is provided with an adsorption tank heating device.
The first adsorption tank is connected with a second adsorption tank in parallel, a sixth manual valve is arranged on the input end of the second adsorption tank, a seventh manual valve is arranged on the output end of the second adsorption tank, and the second adsorption tank is connected with an adsorption tank heating device.
At the second SF 6 A second gas micro-water detection circulating pipeline is arranged on the gas pressure container, and a second SF is arranged on the second gas micro-water detection circulating pipeline 6 Gas micro-water detector, second gas circulating pump, and second SF 6 The gas inlet of the gas pressure container is communicated with the gas inlet through an eighth manual valveThe pipes being connected together, the second SF 6 The gas pressure container is communicated with the input pipeline of the adsorption tank through a ninth manual valve on the gas outlet and is filled with the second SF 6 A second circulating return pipeline is arranged between the other gas inlet of the gas pressure container and the output port of the third gas circulating pump, and a second SF gas circulating loop is arranged between the other gas inlet of the gas pressure container and the output port of the third gas circulating pump 6 The gas pressure container is connected with a second refrigerating machine.
A treatment method of a sulfur hexafluoride gas micro-water standard exceeding online charged treatment device comprises the following steps:
firstly, inserting the quick plug-in connector into SF 6 Opening the third manual valve and the first manual valve in the charging/discharging port of the electrical equipment to allow SF to flow 6 SF in electrical equipment 6 Gas is introduced into the first SF 6 In a gas pressure vessel, first SF 6 SF in gas pressure vessels 6 Pressure of gas and SF 6 SF in electrical equipment 6 The pressure of the gas is balanced;
second step, start first gas circulation pump and first SF 6 Gas micro-water detector for the first SF 6 SF in gas pressure vessels 6 Detecting the micro water content of the gas, and if the micro water content is greater than an allowable value, performing the next step;
and thirdly, opening a second manual valve, a fourth manual valve, a sixth manual valve, a fifth manual valve and a seventh manual valve, starting a third gas circulating pump, and performing SF gas adsorption through the first adsorption tank and the second adsorption tank 6 Neutralizing a first SF in an electrical device 6 SF in gas pressure vessels 6 Treating the water content of the gas until SF 6 The micro-water content in the gas is reduced until the desired set point is reached.
Compared with the prior art, the invention can reduce the investment of manpower and material resources, can also reduce the expensive economic loss caused by power failure, and has safe, simple and convenient operation and wide application prospect.
Drawings
FIG. 1 is a schematic view of the present invention.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the sulfur hexafluoride gas micro-water standard exceeding online charged treatment device comprises SF 6 Charging and discharging port, quick plugging joint 13 and first SF of electrical equipment 6 Gas pressure vessel 1, second SF 6 Gas pressure vessel 2, first SF 6 Gas micro-water detector 3, second SF 6 A gas micro-water detector 4, a first gas circulating pump 5, a second gas circulating pump 6, a first refrigerator 7, a second refrigerator 8, a first adsorption tank 9, a second adsorption tank 10, an adsorption tank heating device 11 and a third gas circulating pump 12, wherein in the first SF 6 A first gas micro-water detection circulating pipeline 14 is arranged on the gas pressure container 1, and a first SF is arranged on the first gas micro-water detection circulating pipeline 14 6 A gas micro-water detector 3 and a first gas circulation pump 5 at a first SF 6 A first manual valve 15 is provided at an inlet of the gas pressure vessel 1, and the first SF gas 6 A second manual valve 16 is arranged on the air outlet of the gas pressure container 1, and a first SF 6 The gas pressure container 1 is communicated with a gas inlet pipeline 17 through a first manual valve 15, and the other end of the gas inlet pipeline 17 is inserted in SF through a quick plug-in connector 13 6 The air inlet pipe 17 of the charging/discharging port of the electric equipment is provided with a third manual valve 18, and the first SF 6 The gas pressure container 1 is communicated with an adsorption tank input pipeline 19 through a second manual valve 16, the other end of the adsorption tank input pipeline 19 is communicated with the input end of a first adsorption tank 9, a fourth manual valve 20 is arranged on the input end of the first adsorption tank 9, an adsorption tank output pipeline 21 is connected to the output end of the first adsorption tank 9, the other end of the adsorption tank output pipeline 21 is communicated with the input port of a third gas circulating pump 12, a fifth manual valve 22 is arranged on the output end of the first adsorption tank 9, a first circulation returning pipeline 23 is connected to the output port of the third gas circulating pump 12, the other end of the first circulation returning pipeline 23 is communicated with a first SF (sulfur hexafluoride) pipeline 19 6 The other inlets 24 of the gas pressure vessels 1 are connected together in the first SF 6 The gas pressure vessel 1 is connected to a first refrigerator 7, and the first adsorption tank 9 is provided with an adsorption tank heating device 11.
The second canister 10 is connected in parallel to the first canister 9, a sixth manual valve 25 is provided at an input end of the second canister 10, a seventh manual valve 26 is provided at an output end of the second canister 10, and the second canister 10 is connected to the canister heater 11.
At the second SF 6 A second gas micro-water detection circulating pipeline 27 is arranged on the gas pressure container 2, and a second SF is arranged on the second gas micro-water detection circulating pipeline 27 6 A gas micro-water detector 4, a second gas circulating pump 6 and a second SF 6 The gas inlet of the gas pressure container 2 is communicated with the gas inlet pipeline 17 through an eighth manual valve 28, and the second SF gas 6 The gas pressure vessel 2 is connected to the canister inlet line 19 via a ninth manual valve 29 at the outlet, at the second SF 6 A second circulation return pipe 31 is provided between the other gas inlet 30 of the gas pressure vessel 2 and the outlet of the third gas circulation pump 12, and a second SF gas is fed into the second SF 6 The gas pressure vessel 2 is connected to a second refrigerator 8.
A treatment method of a sulfur hexafluoride gas micro-water standard exceeding online charged treatment device comprises the following steps:
firstly, inserting the quick plug-in connector 13 in SF 6 In the charging/discharging port of the electric equipment, the third manual valve 18 and the first manual valve 15 are opened to allow SF to flow 6 SF in electrical equipment 6 Gas is introduced into the first SF 6 In the gas pressure vessel 1, the first SF is 6 SF in gas pressure vessel 1 6 Pressure of gas and SF 6 SF in electrical equipment 6 The pressure of the gas is balanced;
second step, start first gas circulation pump 5 and first SF 6 Gas micro-water detector 3 for the first SF 6 SF in gas pressure vessel 1 6 Detecting the micro water content of the gas, and if the micro water content is greater than an allowable value, performing the next step;
third, the second manual valve 16, the fourth manual valve 20, the sixth manual valve 25, the fifth manual valve 22, and the seventh manual valve 26 are opened, the third gas circulation pump 12 is started, and the SF is treated by the first adsorption tank 9 and the second adsorption tank 10 6 Neutralizing the first SF in the electrical equipment 6 SF in gas pressure vessel 1 6 Treating the water content in the gas until SF 6 The micro-water content in the gas is reduced until the desired set point.
The invention mainly comprises a gas diffusion exchange system and SF 6 The gas drying system is composed of a gas diffusion exchange system composed of SF 6 Gas pressure vessel, gas circulation pump, SF 6 The system comprises two sets of gas micro-water detectors and a refrigerating machine, wherein one set of the system is used as a spare set; SF 6 SF in gas pressure vessels and electrical equipment 6 The gas keeps constant pressure, and SF in the electrical equipment is generated when the electrical equipment runs 6 The gas temperature is increased to spontaneously turn to SF 6 Diffusion in gas pressure vessels, SF 6 Dried SF in gas pressure vessels 6 The gas also spontaneously diffuses towards the electrical apparatus, the refrigerator being intended to reduce SF 6 When the temperature of the external environment is low, refrigeration is not needed, and when the temperature of the external environment is high, refrigeration is needed to improve the diffusion effect; thereby completing SF in the electrical equipment 6 Gas and SF 6 Dry SF in gas pressure vessels 6 Diffusion exchange of gases, SF 6 Real-time detection of SF by gas micro-water detector 6 SF in gas pressure vessels 6 Once the micro-water content in the gas approaches the maximum allowable water content value, a standby gas diffusion exchange system is firstly opened and then closed so as to ensure SF in the operation process of the equipment 6 The water content of the gas is in a standard range to realize charged SF 6 Carrying out online treatment on micro water of electrical equipment; the SF 6 The gas drying system consists of an adsorption tank, an adsorption tank heating device and a gas circulating pump, wherein the SF gas 6 SF gas pressure vessel with higher water content 6 Gas enters the adsorption tank, SF 6 The water in the gas is absorbed by the adsorbent in the adsorption tank, the adsorbent is regenerated by the heating device of the adsorption tank, two groups of adsorption tanks are adopted, and SF 6 The water in the gas can be repeatedly adsorbed to dry the gas, and the dried SF 6 Gas is returned to SF by gas circulating pump 6 The gas pressure container is ready for use.
Claims (1)
1. AThe sulfur hexafluoride gas micro-water overproof on-line charged treatment method includes SF 6 Air charging and discharging port, quick plugging joint (13) and first SF of electrical equipment 6 Gas pressure vessel (1), second SF 6 A gas pressure vessel (2), a first SF 6 Gas micro-water detector (3) and second SF 6 The gas micro-water detector (4), the first gas circulating pump (5), the second gas circulating pump (6), the first refrigerator (7), the second refrigerator (8), the first adsorption tank (9), the second adsorption tank (10), the adsorption tank heating device (11) and the third gas circulating pump (12) are arranged on a first SF (sulfur hexafluoride) gas circulating pump 6 A first gas micro-water detection circulating pipeline (14) is arranged on the gas pressure container (1), and a first SF (sulfur hexafluoride) is arranged on the first gas micro-water detection circulating pipeline (14) 6 A gas micro-water detector (3) and a first gas circulating pump (5) at a first SF 6 A first manual valve (15) is arranged on the gas inlet of the gas pressure container (1), and the first SF gas 6 A second manual valve (16) is arranged on the gas outlet of the gas pressure container (1), and the first SF 6 The gas pressure container (1) is communicated with the gas inlet pipeline (17) through a first manual valve (15), and the other end of the gas inlet pipeline (17) is inserted into SF through a quick plug-in connector (13) 6 In the charging/discharging port of the electric equipment, a third manual valve (18) is arranged on the gas inlet pipeline (17), and the first SF 6 The gas pressure container (1) is communicated with an adsorption tank input pipeline (19) through a second manual valve (16), the other end of the adsorption tank input pipeline (19) is communicated with the input end of a first adsorption tank (9), a fourth manual valve (20) is arranged at the input end of the first adsorption tank (9), an adsorption tank output pipeline (21) is connected to the output end of the first adsorption tank (9), the other end of the adsorption tank output pipeline (21) is communicated with the input port of a third gas circulating pump (12), a fifth manual valve (22) is arranged at the output end of the first adsorption tank (9), a first circulation returning pipeline (23) is connected to the output port of the third gas circulating pump (12), and the other end of the first circulation returning pipeline (23) is communicated with first SF 6 Another gas inlet of the gas pressure container (1) ((24 Are connected together at a first SF 6 The gas pressure container (1) is connected with a first refrigerator (7), and an adsorption tank heating device (11) is arranged on the first adsorption tank (9); a second adsorption tank (10) is connected in parallel to the first adsorption tank (9), a sixth manual valve (25) is arranged at the input end of the second adsorption tank (10), a seventh manual valve (26) is arranged at the output end of the second adsorption tank (10), and the second adsorption tank (10) is connected with an adsorption tank heating device (11); at the second SF 6 A second gas micro-water detection circulating pipeline (27) is arranged on the gas pressure container (2), and a second SF is arranged on the second gas micro-water detection circulating pipeline (27) 6 A gas micro-water detector (4), a second gas circulating pump (6) and a second SF 6 The gas inlet of the gas pressure container (2) is communicated with the gas inlet pipeline (17) through an eighth manual valve (28), and the second SF 6 The gas pressure container (2) is communicated with an adsorption tank input pipeline (19) through a ninth manual valve (29) on a gas outlet and is positioned at the second SF 6 A second circulation return pipeline (31) is arranged between the other gas inlet (30) of the gas pressure container (2) and the output port of the third gas circulation pump (12), and a second SF gas is arranged 6 The gas pressure container (2) is connected with a second refrigerating machine (8); the method is characterized by comprising the following steps:
firstly, a quick plug-in connector (13) is plugged in SF 6 In the charging/discharging port of the electric equipment, the third manual valve (18) and the first manual valve (15) are opened to allow SF to flow 6 SF in electrical equipment 6 Gas is introduced into the first SF 6 In the gas pressure vessel (1), the first SF is added 6 SF in a gas pressure vessel (1) 6 Pressure of gas and SF 6 SF in electrical equipment 6 The pressure of the gas is balanced;
second step, start first gas circulation pump (5) and first SF 6 A gas micro-water detector (3) for the first SF 6 SF in a gas pressure vessel (1) 6 Detecting the micro water content of the gas, and if the micro water content is greater than an allowable value, performing the next step;
thirdly, opening a second manual valve (16), a fourth manual valve (20), a sixth manual valve (25), a fifth manual valve (22) and a seventh manual valve (26), starting a third gas circulating pump (12), and performing SF gas exchange through a first adsorption tank (9) and a second adsorption tank (10) 6 Neutralizing the first SF in the electrical equipment 6 SF in a gas pressure vessel (1) 6 Treating the water content in the gas until SF 6 The micro-water content in the gas is reduced until the desired set point.
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| CN201911246326.1A CN110989702B (en) | 2019-12-08 | 2019-12-08 | Sulfur hexafluoride gas micro-water standard exceeding online charged treatment device and treatment method |
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| CN201911246326.1A CN110989702B (en) | 2019-12-08 | 2019-12-08 | Sulfur hexafluoride gas micro-water standard exceeding online charged treatment device and treatment method |
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| CN110989702B true CN110989702B (en) | 2023-04-07 |
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