CN104517702A - Oil injection process for oil-immersed transformer - Google Patents
Oil injection process for oil-immersed transformer Download PDFInfo
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- CN104517702A CN104517702A CN201410857242.2A CN201410857242A CN104517702A CN 104517702 A CN104517702 A CN 104517702A CN 201410857242 A CN201410857242 A CN 201410857242A CN 104517702 A CN104517702 A CN 104517702A
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- oil
- pouring
- transformer
- tank
- vacuum tank
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Abstract
The invention discloses an oil injection process for an oil-immersed transformer. The oil injection process comprises the following steps: finishing assembling the oil-immersed transformer; (2) placing the oil-immersed transformer in air for oil injection until a transformer body is immersed by oil; (3) placing the transformer into a vacuum tank or a pouring tank; (4) extracting air in the vacuum tank or the pouring tank by using a rotary vane pump until the vacuum degree is lower than 5kPa; (5) continuing extracting air in the vacuum tank or the pouring tank by using a lobe pump until the vacuum degree is 50 to 100Pa, and keeping the vacuum degree for 40 to 60 minutes; (6) opening a valve of the vacuum tank or the pouring tank; (7) finally supplementing oil to the oil-immersed transformer, and after oil injection is finished, screwing an oil injection valve of the oil-immersed transformer. The oil injection process can be finished without a heating procedure, so that efficiency is greatly improved; moreover, air remaining in an oil tank in the oil-immersed transformer can be smoothly discharged, so that the quality of the transformer is ensured, and the service life of the transformer is prolonged.
Description
Technical field
The present invention relates to a kind of oiling technique, be specifically related to a kind of oil-filled transformer oiling technique.
Background technology
Oil-filled transformer vacuum oil operation can be divided into eight steps: (1) opens tank door, is hung onto by transformer on chassis, enters tank, be inserted into by oil fuel tube on product oil level indicator, closes tank door; (2) open heating system, oil storage, lubricating can are warmed to uniform temperature; (3) lubricating can is evacuated to 200Pa, keeps the stipulated time; (4) on flowmeter, set flow, settings are a little less than oil mass needed for product; (5) select to open oiling valve knob and start oiling; (6) oiling is complete, keeps vacuum (20 ~ 30) min; (7) evacuation valve, lobe pump, sliding vane rotary pump is closed; (8) open charge valve and remove vacuum, product goes out tank.This oiling complex operation, requires professional equipment, invests high, and quiet after oiling to put the time long, and quantity limits by tank body size and oil-out, affect transformer production capacity, be not suitable for large-scale production, and air not easily drains, and affects transformer quality.
Summary of the invention
The present invention in order to solve the problem, thus provides a kind of oil-filled transformer oiling technique.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of oil-filled transformer oiling technique, described oiling technique comprises the steps:
(1) oil-filled transformer has been assembled, and be transported to oiling region;
(2) oil-filled transformer is placed oiling in atmosphere, oil level floods device body;
(3) oil-filled transformer that oiling completes is put in vacuum tank or pouring can, and close the valve of vacuum tank or pouring can;
(4) air in sliding vane rotary pump extracting vacuum tank or pouring can is used, until the vacuum degree in vacuum tank or pouring can is less than 5kPa;
(5) re-use the air that lobe pump continues in extracting vacuum tank or pouring can, until the vacuum degree in vacuum tank or pouring can is 50 ~ 100Pa, then keep 40 ~ 60min;
(6) open the valve of vacuum tank or pouring can, oil-filled transformer is transported to filling region;
(7) finally repairing is carried out to oil-filled transformer, after being filled by oil, screw the fuel feeding valve of oil-filled transformer.
By technique scheme, the invention has the beneficial effects as follows:
Oiling technique provided by the invention, does not need heating process just can complete, substantially increases efficiency, and can to discharge in oil-filled transformer air residual in fuel tank smoothly, ensure that the quality of transformer, extends transformer useful life.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further below.
A kind of oil-filled transformer oiling technique provided by the invention, it comprises the steps:
(1) oil-filled transformer has been assembled, and be transported to oiling region;
(2) oil-filled transformer is placed oiling in atmosphere, oil level floods device body;
(3) oil-filled transformer that oiling completes is put in vacuum tank or pouring can, and close the valve of vacuum tank or pouring can;
(4) air in sliding vane rotary pump extracting vacuum tank or pouring can is used, until the vacuum degree in vacuum tank or pouring can is less than 5kPa;
(5) re-use the air that lobe pump continues in extracting vacuum tank or pouring can, until the vacuum degree in vacuum tank or pouring can is 50 ~ 100Pa, then keep 40 ~ 60min;
(6) open the valve of vacuum tank or pouring can, oil-filled transformer is transported to filling region;
(7) finally repairing is carried out to oil-filled transformer, after being filled by oil, screw the fuel feeding valve of oil-filled transformer.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (1)
1. an oil-filled transformer oiling technique, is characterized in that, described oiling technique comprises the steps:
(1) oil-filled transformer has been assembled, and be transported to oiling region;
(2) oil-filled transformer is placed oiling in atmosphere, oil level floods device body;
(3) oil-filled transformer that oiling completes is put in vacuum tank or pouring can, and close the valve of vacuum tank or pouring can;
(4) air in sliding vane rotary pump extracting vacuum tank or pouring can is used, until the vacuum degree in vacuum tank or pouring can is less than 5kPa;
(5) re-use the air that lobe pump continues in extracting vacuum tank or pouring can, until the vacuum degree in vacuum tank or pouring can is 50 ~ 100Pa, then keep 40 ~ 60min;
(6) open the valve of vacuum tank or pouring can, oil-filled transformer is transported to filling region;
(7) finally repairing is carried out to oil-filled transformer, after being filled by oil, screw the fuel feeding valve of oil-filled transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857242.2A CN104517702A (en) | 2014-12-30 | 2014-12-30 | Oil injection process for oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857242.2A CN104517702A (en) | 2014-12-30 | 2014-12-30 | Oil injection process for oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104517702A true CN104517702A (en) | 2015-04-15 |
Family
ID=52792878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410857242.2A Pending CN104517702A (en) | 2014-12-30 | 2014-12-30 | Oil injection process for oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104517702A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140014A (en) * | 2015-09-24 | 2015-12-09 | 江苏宏源电气有限责任公司 | Method for oil injection of liquid immersed type distribution transformer |
| CN111810466A (en) * | 2020-07-04 | 2020-10-23 | 中国石油天然气集团有限公司 | Oil injection device and oil injection process |
Citations (9)
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|---|---|---|---|---|
| KR100953506B1 (en) * | 2009-08-26 | 2010-04-16 | 주식회사엠제이 | A removal apparatus of residual pcbs by chemical cleaning and vacuum treatment of oil immersed transformer |
| CN201663034U (en) * | 2009-11-12 | 2010-12-01 | 吉林省电力有限公司白山供电公司 | Sleeve vacuum oiling device |
| CN201708008U (en) * | 2010-06-17 | 2011-01-12 | 中国石化集团胜利石油管理局电力管理总公司 | Vacuum oiling device |
| CN102290225A (en) * | 2011-04-29 | 2011-12-21 | 大连互感器有限公司 | Vacuum oil filling process for oil-immersed inverted current transformer |
| CN202300961U (en) * | 2011-09-30 | 2012-07-04 | 自贡市华瑞过滤设备制造有限公司 | Frequency conversion vacuum oil-injecting machine |
| CN202434296U (en) * | 2011-12-23 | 2012-09-12 | 上海置信电气非晶有限公司 | Onsite vacuum oil-changing system of transformer |
| CN202487338U (en) * | 2012-03-02 | 2012-10-10 | 申达电气集团有限公司 | Vacuum oil filling system for transformer |
| CN202732345U (en) * | 2012-08-22 | 2013-02-13 | 四川高精净化设备有限公司 | Vacuum air exhauster |
| CN202724753U (en) * | 2012-08-21 | 2013-02-13 | 四川高精净化设备有限公司 | Disacidifying regeneration type vacuum oil purifier |
-
2014
- 2014-12-30 CN CN201410857242.2A patent/CN104517702A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100953506B1 (en) * | 2009-08-26 | 2010-04-16 | 주식회사엠제이 | A removal apparatus of residual pcbs by chemical cleaning and vacuum treatment of oil immersed transformer |
| CN201663034U (en) * | 2009-11-12 | 2010-12-01 | 吉林省电力有限公司白山供电公司 | Sleeve vacuum oiling device |
| CN201708008U (en) * | 2010-06-17 | 2011-01-12 | 中国石化集团胜利石油管理局电力管理总公司 | Vacuum oiling device |
| CN102290225A (en) * | 2011-04-29 | 2011-12-21 | 大连互感器有限公司 | Vacuum oil filling process for oil-immersed inverted current transformer |
| CN202300961U (en) * | 2011-09-30 | 2012-07-04 | 自贡市华瑞过滤设备制造有限公司 | Frequency conversion vacuum oil-injecting machine |
| CN202434296U (en) * | 2011-12-23 | 2012-09-12 | 上海置信电气非晶有限公司 | Onsite vacuum oil-changing system of transformer |
| CN202487338U (en) * | 2012-03-02 | 2012-10-10 | 申达电气集团有限公司 | Vacuum oil filling system for transformer |
| CN202724753U (en) * | 2012-08-21 | 2013-02-13 | 四川高精净化设备有限公司 | Disacidifying regeneration type vacuum oil purifier |
| CN202732345U (en) * | 2012-08-22 | 2013-02-13 | 四川高精净化设备有限公司 | Vacuum air exhauster |
Non-Patent Citations (1)
| Title |
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| 张贤明: "高压、超高压电力变压器的真空注油", 《电网技术》, vol. 25, no. 8, 31 August 2001 (2001-08-31) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140014A (en) * | 2015-09-24 | 2015-12-09 | 江苏宏源电气有限责任公司 | Method for oil injection of liquid immersed type distribution transformer |
| CN111810466A (en) * | 2020-07-04 | 2020-10-23 | 中国石油天然气集团有限公司 | Oil injection device and oil injection process |
| CN111810466B (en) * | 2020-07-04 | 2022-07-22 | 中国石油天然气集团有限公司 | Oil injection device and oil injection process |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150415 |