CN201196896Y - Vacuum hot oil spraying and drying system of ultra-large transformer - Google Patents
Vacuum hot oil spraying and drying system of ultra-large transformer Download PDFInfo
- Publication number
- CN201196896Y CN201196896Y CNU2007203104968U CN200720310496U CN201196896Y CN 201196896 Y CN201196896 Y CN 201196896Y CN U2007203104968 U CNU2007203104968 U CN U2007203104968U CN 200720310496 U CN200720310496 U CN 200720310496U CN 201196896 Y CN201196896 Y CN 201196896Y
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Abstract
The utility model relates to a vacuum hot oil spraying and drying system for an overlarge transformer, which comprises the transformer, and is characterized in that the vacuum hot oil spraying and drying system consists of a spraying, heating and cleaning circuit, a technical oil self-circulation circuit, a ventilating device, a measuring device and a vacuum device which are respectively connected with the transformer. The vacuum hot oil spraying and drying system has the advantages that: firstly, the spraying flow is large and the work efficiency is high; secondly, the vacuum hot oil spraying and drying system is favorable for evaporation of internal moisture of a body isolator; thirdly, vacuum-pumping is matched with release of the vacuum state at a definite period, so that moisture can be greatly eliminated; fourthly, hot oil is sprayed into foggy state, so that the vacuum hot oil spraying and drying system can reduce the impulsive force of oil droplets on a body and enlarge the contact surface of the hot oil and the body isolator, and is favorable for heating the body isolator; fifthly, the hot oil is utilized to wash the body, so that the body is cleaned and the body isolator is improved; and sixthly, the vacuum hot oil spraying and drying system has the characteristics of large flow and inherent filtration of technical oil, and the flow of the technical oil reaches 70 cubic meters per hour.
Description
(1) technical field:
The utility model relates to a kind of heating oil in vacuum spray drying system, especially a kind of oversize transformer heating oil in vacuum spray drying system.
(2) background technology:
According to 6.6 regulations of DL/T573-95 " power transformer maintenance guide rule ",, need carry out dried to transformer when transformer makes moist or device body insulation when descending.The on-the-spot drying means commonly used of transformer has at present: methods such as eddy current vacuumize, hot blast vacuumize, deep fat spraying vacuum drying, drying out by circulating hot oil, short circuit vacuumize and zero-sequence current drying, but these methods can not improve the dried insulation property of transformer body especially effectively, and spray flow is little.
(3) utility model content:
The purpose of this utility model is to design a kind of oversize transformer heating oil in vacuum spray drying system, and its spray flow is big, high efficiency, can be effectively to the device body insulation carry out drying, and remover body impurity.
The technical solution of the utility model is: a kind of oversize transformer heating oil in vacuum spray drying system, comprise transformer, it is characterized in that this system also comprises spray heated wash loop, technical oil self circular loop, air interchanger, measurement mechanism and vacuum plant, spray heated wash loop, technical oil self circular loop, air interchanger, measurement mechanism and vacuum plant are connected with transformer respectively.
Above-mentioned said transformer is connected with attemperator, and attemperator is at least a in heat-insulation layer or the heater.
Above-mentioned said spray heated wash loop is equipped with oil pump I, Pressure gauge I, heater and spray equipment successively; The import of said oil pump I connects transformer, and its outlet connects the import of heater; The outlet of said heater connects the import of spray equipment, and spray equipment is connected to the inside of transformer; Said Pressure gauge I is installed on the loop.
Above-mentioned said spray heated wash is equipped with flowmeter in the loop.
Above-mentioned said technical oil self circular loop is equipped with oil pump II, pressure Table II and filter successively; The import of said oil pump II connects transformer, and outlet connects the import of filter; The outlet of filter connects transformer.
Above-mentioned said air interchanger is a dry air generator.
Above-mentioned said measurement mechanism comprises temperature measuring equipment and surveys the vacuum pressure device, is connected with transformer respectively; Survey the vacuum pressure device and comprise the vacuum gauge of measuring low vacuum respectively and the vacuum gauge of measuring high vacuum.
Above-mentioned said vacuum plant comprises vacuum pump and condenser, and wherein the import of condenser connects transformer, and outlet connects the import of vacuum pump.
Superiority of the present utility model is: (1) spray flow is big, and high efficiency can effectively insulate to the device body and carry out drying, and remover body impurity; (2) utilize vacuum plant to reduce the interior pressure of fuel tank, reduce the vapourizing temperature of water, help the evaporation of device body insulation internal moisture; (3) vacuumize and regularly remove vacuum and cooperate and carry out, moisture is got rid of in a large number; (4) with the deep fat atomisation, can reduce the impulse force of oil droplet to the device body, can enlarge the contact-making surface of deep fat and device body insulation again, help the heating of device body insulation, droplet when dirty, can adsorb the moisture in the non-conductive fibre pore along the device body simultaneously, accelerates the eliminating of moisture; (5) utilize deep fat that the device body is washed, the cleaner body improves the insulation of device body; (6) have that flow is big, the characteristics of technical oil inherent filtration, the technical oil flow reaches 70m
3/ h uses but the technical oil of syringe body installs the filtration repetitive cycling after filtration.
(4) description of drawings:
Fig. 1 is the related a kind of structured flowchart that is used for oversize transformer heating oil in vacuum spray drying system of the utility model.
Fig. 2 is the related a kind of structural representation that is used for oversize transformer heating oil in vacuum spray drying system of the utility model.
Wherein, 1 is transformer, and 2 for measuring the vacuum gauge of low vacuum, 3 is dry air generator, and 4 for measuring the vacuum gauge of high vacuum, and 5 is heater, 6 is flowmeter, and 7 is filter, and 8a is Pressure gauge I, 8b is the pressure Table II, and 9a is oil pump I, and 9b is oil pump II, 10 is attemperator, and 11 is temperature measuring equipment, and 12 is spray equipment, 13 is condenser, and 14 is vacuum pump.
(5) embodiment:
Embodiment: a kind of oversize transformer heating oil in vacuum spray drying system (seeing Fig. 1, Fig. 2), comprise transformer 1, it is characterized in that being made of spray heated wash loop, technical oil self circular loop, air interchanger, measurement mechanism and vacuum plant, spray heated wash loop, technical oil self circular loop, air interchanger, measurement mechanism and vacuum plant are connected with transformer 1 respectively.
Above-mentioned said transformer 1 is connected with attemperator 10, and attemperator is at least a in heat-insulation layer or the heater.
Above-mentioned said spray heated wash loop is equipped with oil pump I 9a, Pressure gauge I 8a, heater 5 and spray equipment 12 successively; The import of said oil pump I9a connects transformer 1, and its outlet connects the import of heater 5; The outlet of said heater 5 connects the import of spray equipment 12, and spray equipment 12 is connected to the inside of transformer; Said Pressure gauge I 8a is installed on the loop.
Above-mentioned said spray heated wash is equipped with flowmeter 6 in the loop.
Above-mentioned said technical oil self circular loop is equipped with oil pump II 9b, pressure Table II 8b and filter 7 successively; The import of said oil pump II 9b connects transformer 1, and outlet connects the import of filter 7; The outlet of filter 7 connects transformer 1.
Above-mentioned said air interchanger is a dry air generator 3.
Above-mentioned said measurement mechanism comprises temperature measuring equipment 11 and surveys the vacuum pressure device, is connected with transformer 1 respectively; Survey the vacuum pressure device and comprise the vacuum gauge 2 of measuring low vacuum respectively and the vacuum gauge 4 of measuring high vacuum.
Above-mentioned said vacuum plant comprises vacuum pump 14 and condenser 13, and wherein the import of condenser 13 connects transformer 1, and outlet connects the import of vacuum pump 14.
Claims (8)
1. oversize transformer heating oil in vacuum spray drying system, comprise transformer, it is characterized in that this system also comprises spray heated wash loop, technical oil self circular loop, air interchanger, measurement mechanism and vacuum plant, spray heated wash loop, technical oil self circular loop, air interchanger, measurement mechanism and vacuum plant are connected with transformer respectively.
2. according to the said a kind of oversize transformer heating oil in vacuum spray drying of claim 1 system, it is characterized in that said transformer is connected with attemperator, attemperator is at least a in heat-insulation layer or the heater.
3. according to the said a kind of oversize transformer heating oil in vacuum spray drying of claim 1 system, it is characterized in that said spray heated wash loop is equipped with oil pump I, Pressure gauge I, heater and spray equipment successively; The import of said oil pump I connects transformer, and its outlet connects the import of heater; The outlet of said heater connects the import of spray equipment, and spray equipment is connected to the inside of transformer; Said Pressure gauge I is installed on the loop.
4. according to claim 1 or 3 said a kind of oversize transformer heating oil in vacuum spray drying systems, it is characterized in that in the said spray heated wash loop flowmeter being installed.
5. according to the said a kind of oversize transformer heating oil in vacuum spray drying of claim 1 system, it is characterized in that said technical oil self circular loop is equipped with oil pump II, pressure Table II and filter successively; The import of said oil pump II connects transformer, and outlet connects the import of filter; The outlet of filter connects transformer.
6. according to the said a kind of oversize transformer heating oil in vacuum spray drying of claim 1 system, it is characterized in that said air interchanger is a dry air generator.
7. according to the said a kind of oversize transformer heating oil in vacuum spray drying of claim 1 system, it is characterized in that said measurement mechanism comprises temperature measuring equipment and surveys the vacuum pressure device, is connected with transformer respectively; Survey the vacuum pressure device and comprise the vacuum gauge of measuring low vacuum respectively and the vacuum gauge of measuring high vacuum.
8. according to the said a kind of oversize transformer heating oil in vacuum spray drying of claim 1 system, it is characterized in that said vacuum plant comprises vacuum pump and condenser, wherein the import of condenser connects transformer, and outlet connects the import of vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203104968U CN201196896Y (en) | 2007-12-12 | 2007-12-12 | Vacuum hot oil spraying and drying system of ultra-large transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203104968U CN201196896Y (en) | 2007-12-12 | 2007-12-12 | Vacuum hot oil spraying and drying system of ultra-large transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196896Y true CN201196896Y (en) | 2009-02-18 |
Family
ID=40416526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203104968U Expired - Fee Related CN201196896Y (en) | 2007-12-12 | 2007-12-12 | Vacuum hot oil spraying and drying system of ultra-large transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201196896Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101964251A (en) * | 2010-08-19 | 2011-02-02 | 中国西电电气股份有限公司 | Transformer coil drying and oil spraying device and process |
| CN102074346A (en) * | 2010-12-06 | 2011-05-25 | 保定天威集团有限公司 | Drying process of high-voltage current transformer body |
| CN101901671B (en) * | 2009-05-25 | 2011-12-21 | 甘肃省电力公司兰州超高压输变电公司 | Hot oil-circulating automatic heating device of large-size transformer |
| CN103594233A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | 220kV main transformer on-site insulation drying device and technology thereof |
| CN106710809A (en) * | 2015-08-12 | 2017-05-24 | 特变电工沈阳变压器集团有限公司 | Vapor-phase drying system and processing method of on-site +/-800KV converter transformer in power station |
| CN111634527A (en) * | 2020-05-29 | 2020-09-08 | 广东能建电力设备厂有限公司 | Transformer body storage device and method for storing transformer body |
-
2007
- 2007-12-12 CN CNU2007203104968U patent/CN201196896Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901671B (en) * | 2009-05-25 | 2011-12-21 | 甘肃省电力公司兰州超高压输变电公司 | Hot oil-circulating automatic heating device of large-size transformer |
| CN101964251A (en) * | 2010-08-19 | 2011-02-02 | 中国西电电气股份有限公司 | Transformer coil drying and oil spraying device and process |
| CN102074346A (en) * | 2010-12-06 | 2011-05-25 | 保定天威集团有限公司 | Drying process of high-voltage current transformer body |
| CN103594233A (en) * | 2013-11-29 | 2014-02-19 | 国家电网公司 | 220kV main transformer on-site insulation drying device and technology thereof |
| CN103594233B (en) * | 2013-11-29 | 2016-07-06 | 国家电网公司 | A kind of 220kV main transformer scene insulation torrefaction device and technique thereof |
| CN106710809A (en) * | 2015-08-12 | 2017-05-24 | 特变电工沈阳变压器集团有限公司 | Vapor-phase drying system and processing method of on-site +/-800KV converter transformer in power station |
| CN111634527A (en) * | 2020-05-29 | 2020-09-08 | 广东能建电力设备厂有限公司 | Transformer body storage device and method for storing transformer body |
| CN111634527B (en) * | 2020-05-29 | 2022-06-21 | 广东能建电力设备厂有限公司 | Method for storing transformer body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN GUANGDA POWER CO., LTD. Free format text: FORMER OWNER: TIANJIN SANYUAN POWER TRANSFORMER CO. Effective date: 20140423 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300402 BEICHEN, TIANJIN TO: 300250 HEDONG, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140423 Address after: 300250 Tianjin City Hedong District Weiguo Road No. 157 Patentee after: Tianjin Guangda electric power limited liability company Address before: 300402 Torch Hotel, ZOJE Science Park, Beichen Science Park, Tianjin, 302 Patentee before: Tianjin Sanyuan Power Transformer Co. |
|
| DD01 | Delivery of document by public notice |
Addressee: Tianjin Guangda electric power limited liability company Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20161212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |