CN103901333B - A kind of midget plant of transformer oil degassing dehydration - Google Patents
A kind of midget plant of transformer oil degassing dehydration Download PDFInfo
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- CN103901333B CN103901333B CN201210579564.6A CN201210579564A CN103901333B CN 103901333 B CN103901333 B CN 103901333B CN 201210579564 A CN201210579564 A CN 201210579564A CN 103901333 B CN103901333 B CN 103901333B
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Abstract
The present invention relates to the midget plant of a kind of transformer oil degassing dehydration；Oil tank is connected with telescopic degassing tank with single-pass electromagnetic valve B by three-way magnetic valve door, telescopic degassing tank is connected with vacuum buffer tank by single-pass electromagnetic valve C, vacuum buffer tank is connected with vacuum pump by single-pass electromagnetic valve D, and sampler is connected with three-way magnetic valve door by single-pass electromagnetic valve A, diaphragm type filter；Ultrasonic vibrator is fixed on telescopic degassing tank base bottom, and telescopic degassing tank is placed in the air bath of temperature controllable, is connected with electronic propeller repeatedly by connecting rod above telescopic degassing tank；The telescopic degassing tank connecting line with single-pass electromagnetic valve B is installed pressure transducer, mounting temperature sensor in air bath, vacuum buffer tank is installed vacuum pressure sensor；This device utilizes electronic propeller repeatedly, telescopic degassing tank and ultrasonic activation to combine to sample to carry out vacuum outgas and dehydration, improve degassing efficiency, and degassing rate is fast.
Description
Technical field
The present invention provides the midget plant that a kind of a small amount of transformer oil deaerates dehydration under vacuo, belongs to the processing technology field of use for laboratory transformer oil.
Background technology
For improving the electric strength of transformer oil, reducing the insulating properties indexs such as dielectric dissipation factor, transformer oil must process before injection device, to remove moisture, gas and the impurity in oil.The method of general commonly used heating evacuation fine filtering removes moisture, gas and the impurity being dissolved in transformer oil.At present, industrial, commonly used two kinds of technology: spraying dehydration degassing method and film dehydration degassing method, processed transformer oil is heated to about 50～70 DEG C through coarse oil filter and heater, it is recycled in degassing tank with oil pump, transformer oil spraying method formed mist of oil or forms very thin oil film by after some degassing element, under two-stage decompression state, making oil dissolved gas and moisture effusion, after degassing, send into oil storage tank through essence oil filter again.Laboratory is before investigating transformer oil insulating properties, need transformer oil sample is similar to industrial degassing processed, the transformer oil degassing processed technique device principle that Preliminary Exploitation is industrial, when carrying out equipment miniaturization, when finding to use gear pump as oil circulating pump, transformer oil can produce the acetylene gas of trace；When using centrifugal pump or magnetic force vane pump, under high vacuum state, transformer oil circulation is not smooth, and in cyclic process, produces a large amount of gas, directly affects the degassing dehydrating effect of transformer oil, is difficulty with under vacuum state sampling work.
Summary of the invention
It is an object of the invention to provide the midget plant of a kind of transformer oil degassing dehydration；Improve degassing efficiency, accelerate degassing rate, be easy under vacuum sampling and can realize fully automatic vacuum degassing dehydration.
The midget plant of transformer oil of the present invention degassing dehydration, including oil tank, diaphragm type filter, sampler, ultrasonic vibrator, telescopic degassing tank, air bath, connecting rod, electronic propeller repeatedly, vacuum buffer tank, vacuum pump, temperature sensor, pressure transducer, vacuum pressure sensor, three-way magnetic valve door and single-pass electromagnetic valve A, single-pass electromagnetic valve B, single-pass electromagnetic valve C, single-pass electromagnetic valve D；Oil tank 1 is connected with telescopic degassing tank with single-pass electromagnetic valve B by three-way magnetic valve door, telescopic degassing tank is connected with vacuum buffer tank by single-pass electromagnetic valve C, vacuum buffer tank is connected with vacuum pump by single-pass electromagnetic valve D, and sampler is connected with three-way magnetic valve door by single-pass electromagnetic valve A, diaphragm type filter；Ultrasonic vibrator is fixed on telescopic degassing tank base bottom, and telescopic degassing tank is placed in the air bath of temperature controllable, is connected with electronic propeller repeatedly by connecting rod above telescopic degassing tank；The telescopic degassing tank connecting line with single-pass electromagnetic valve B is installed pressure transducer, mounting temperature sensor in air bath, vacuum buffer tank is installed vacuum pressure sensor.
nullIts operation principle is: first，Single-pass electromagnetic valve AF1、Single-pass electromagnetic valve CF3 and single-pass electromagnetic valve DF4 is closed，Three-way magnetic valve door F connects oil tank、Single-pass electromagnetic valve BF2 is in open mode，After electronic propeller repeatedly promotes telescopic degassing tank to arrive most compressed state，Start to be pulled up telescopic degassing tank，Sample passes through three-way magnetic valve door F and single-pass electromagnetic valve BF2，Enter in telescopic degassing tank，After reaching maximum tension position，Close single-pass electromagnetic valve BF2，Open air bath heating function，Open vacuum pump，Open single-pass electromagnetic valve CF3 and single-pass electromagnetic valve DF4，Open ultrasonic vibrator the most again，It is de-gassed and is dehydrated，Suitable all after dates，Close ultrasonic vibrator，Starting electronic propeller repeatedly promotes telescopic degassing tank to be compressed，When vacuum buffer tank has oil sample to enter，Close single-pass electromagnetic valve CF3，When certain normal pressure occurs on pressure transducer，Open single-pass electromagnetic valve BF2,Three-way magnetic valve door turning film formula filter，Open single-pass electromagnetic valve AF1，And be connected with sampler，Complete to take sample work，Take off sampler，Close electronic propeller repeatedly、Vacuum pump and air bath heating function，Blowdown pressure.
Described diaphragm type filter, in order to after realizing degassing dehydration, the particle pollution degree of sample is down to minimum, and adopts diaphragm type filter, sandwich material be aperture be the fibrous membrane of 2 μm.
Described ultrasonic vibrator, uses the wideband can conditioning technology, it is achieved the regulation of frequency of vibration, reaches different degassing dehydrating effects.
Described telescopic degassing tank, uses stainless steel bellows expander technology.
Described electronic propeller repeatedly, uses electric linear to perform device (i.e. electric pushrod), the rotary motion of motor is converted to the driving means of the linear motion of push rod, to realize procedure auto-control.
Described sampler is the 250mL glass syringe with three-way valve.
Device of the present invention utilizes electronic propeller repeatedly and telescopic degassing tank combined technology to substitute and uses oil pump circulation oil-feed and oil extraction mode, sample is carried out vacuum outgas and dehydration, overcomes the various defects using oil pump.Using ultrasonic activation technology, improve degassing efficiency, its efficiency is up to more than 98%, and degassing rate is fast, and whole degasification process just can complete within 5 minutes, substantially reduces the working time, improves work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
In figure: 1, oil tank 2, diaphragm type filter 3, sampler 4, ultrasonic vibrator 5, telescopic degassing tank 6, air bath 7, connecting rod 8, electronic propeller repeatedly 9, vacuum buffer tank 10, vacuum pump S1, temperature sensor S2, pressure transducer S3, vacuum pressure sensor F, three-way magnetic valve door F1, single-pass electromagnetic valve AF2, single-pass electromagnetic valve BF3, single-pass electromagnetic valve CF4, single-pass electromagnetic valve D.
Detailed description of the invention
The midget plant of transformer oil of the present invention degassing dehydration, including oil tank 1, diaphragm type filter 2, sampler 3, ultrasonic vibrator 4, telescopic degassing tank 5, air bath 6, connecting rod 7, electronic propeller repeatedly 8, vacuum buffer tank 9, vacuum pump 10, temperature sensor S1, pressure transducer S2, vacuum pressure sensor S3, three-way magnetic valve door F and single-pass electromagnetic valve AF1, single-pass electromagnetic valve BF2, single-pass electromagnetic valve CF3, single-pass electromagnetic valve DF4；Oil tank 1 is connected with telescopic degassing tank 5 with single-pass electromagnetic valve BF2 by three-way magnetic valve door F, telescopic degassing tank 5 is connected with vacuum buffer tank 9 by single-pass electromagnetic valve CF3, vacuum buffer tank 9 is connected with vacuum pump 10 by single-pass electromagnetic valve DF4, and sampler 3 is connected with three-way magnetic valve door F by single-pass electromagnetic valve AF1, diaphragm type filter 2；Ultrasonic vibrator 4 is fixed on telescopic degassing tank 5 base bottom, and telescopic degassing tank 5 is placed in the air bath 6 of temperature controllable, is connected with electronic propeller repeatedly 8 by connecting rod 7 above telescopic degassing tank 5；The telescopic degassing tank 5 connecting line with single-pass electromagnetic valve BF2 installs pressure transducer S2, mounting temperature sensor S1 in air bath, vacuum buffer tank is installed vacuum pressure sensor S3.
Claims (6)
1. a midget plant for transformer oil degassing dehydration, including oil tank, diaphragm type filter, sampler, ultrasonic vibrator, telescopic degassing tank, air bath, connecting rod, electronic propeller repeatedly, vacuum buffer tank, vacuum pump, temperature sensor, pressure transducer, vacuum pressure sensor, three-way magnetic valve door, single-pass electromagnetic valve A, single-pass electromagnetic valve B, single-pass electromagnetic valve C and single-pass electromagnetic valve D；It is characterized in that: oil tank passes sequentially through three-way magnetic valve door and is connected with telescopic degassing tank with single-pass electromagnetic valve B, telescopic degassing tank is connected with vacuum buffer tank by single-pass electromagnetic valve C, vacuum buffer tank is connected with vacuum pump by single-pass electromagnetic valve D, and sampler passes sequentially through single-pass electromagnetic valve A and is connected with three-way magnetic valve door with diaphragm type filter；Ultrasonic vibrator is fixed on telescopic degassing tank base bottom, and telescopic degassing tank is placed in the air bath of temperature controllable, is connected with electronic propeller repeatedly by connecting rod above telescopic degassing tank；The telescopic degassing tank connecting line with single-pass electromagnetic valve B is installed pressure transducer, mounting temperature sensor in air bath, vacuum buffer tank is installed vacuum pressure sensor.
2. the midget plant of transformer oil degassing dehydration as claimed in claim 1, it is characterised in that: the sandwich material of described diaphragm type filter be aperture be the fibrous membrane of 2 μm.
3. the midget plant of transformer oil degassing dehydration as claimed in claim 1, it is characterised in that: described ultrasonic vibrator uses wideband adjustable, it is achieved the regulation of frequency of vibration, reaches different degassing dehydrating effects.
4. the midget plant of transformer oil degassing dehydration as claimed in claim 1, it is characterised in that: described telescopic degassing tank uses stainless steel bellows expander.
5. the midget plant of transformer oil degassing dehydration as claimed in claim 1, it is characterised in that: described electronic propeller repeatedly uses electric linear to perform device, and the rotary motion of motor is converted to the driving means of the linear motion of push rod.
6. the midget plant of transformer oil degassing dehydration as claimed in claim 1, it is characterised in that: described sampler is the 250mL glass syringe with three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579564.6A CN103901333B (en) | 2012-12-27 | 2012-12-27 | A kind of midget plant of transformer oil degassing dehydration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210579564.6A CN103901333B (en) | 2012-12-27 | 2012-12-27 | A kind of midget plant of transformer oil degassing dehydration |
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| CN103901333A CN103901333A (en) | 2014-07-02 |
| CN103901333B true CN103901333B (en) | 2016-08-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107064375B (en) * | 2017-06-07 | 2023-06-16 | 山东中惠仪器有限公司 | Standard gas quick dissolving device of transformer standard oil sample configuration system |
| CN109669111A (en) * | 2017-10-13 | 2019-04-23 | 中国石油天然气股份有限公司 | A kind of transformer oil degassing dehydration device |
| CN108452555B (en) * | 2018-01-25 | 2020-12-08 | 广东中鹏电气有限公司 | Water and gas removing method for insulating liquid for power equipment |
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| US4764344A (en) * | 1984-10-25 | 1988-08-16 | Bbc Brown, Boveri & Company Ltd. | Device for the determination of the quantitative composition of gases |
| CN87215960U (en) * | 1987-12-02 | 1988-10-05 | 汉中地区变压器厂 | Vacuum oil purifier for treating turbo oil |
| US5582509A (en) * | 1995-08-17 | 1996-12-10 | Bio-Rad Laboratories, Inc. | Circulating aspirator with improved temperature control |
| CN2851264Y (en) * | 2005-12-24 | 2006-12-27 | 邸维民 | Ultrasonic vacuum oil purifying device |
| CN101706482A (en) * | 2009-09-02 | 2010-05-12 | 江苏省电力试验研究院有限公司 | Full-automatic vacuum degasser and degassing method thereof |
| CN101703839A (en) * | 2009-11-06 | 2010-05-12 | 重庆工商大学 | Internal heated vacuum purification method and device |
| CN201768400U (en) * | 2010-08-13 | 2011-03-23 | 珠海原铭电力设备有限公司 | Vacuum oil-gas separator for on-line monitoring of transformer |
| CN202307429U (en) * | 2011-10-25 | 2012-07-04 | 江苏省电力公司南通供电公司 | Novel on-load tapping switch online oil filtering device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100973504B1 (en) * | 2010-05-10 | 2010-08-03 | 이명수 | Apparatus and method for filtering and refining transformer insulation oil in live wire |
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2012
- 2012-12-27 CN CN201210579564.6A patent/CN103901333B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4764344A (en) * | 1984-10-25 | 1988-08-16 | Bbc Brown, Boveri & Company Ltd. | Device for the determination of the quantitative composition of gases |
| CN87215960U (en) * | 1987-12-02 | 1988-10-05 | 汉中地区变压器厂 | Vacuum oil purifier for treating turbo oil |
| US5582509A (en) * | 1995-08-17 | 1996-12-10 | Bio-Rad Laboratories, Inc. | Circulating aspirator with improved temperature control |
| CN2851264Y (en) * | 2005-12-24 | 2006-12-27 | 邸维民 | Ultrasonic vacuum oil purifying device |
| CN101706482A (en) * | 2009-09-02 | 2010-05-12 | 江苏省电力试验研究院有限公司 | Full-automatic vacuum degasser and degassing method thereof |
| CN101703839A (en) * | 2009-11-06 | 2010-05-12 | 重庆工商大学 | Internal heated vacuum purification method and device |
| CN201768400U (en) * | 2010-08-13 | 2011-03-23 | 珠海原铭电力设备有限公司 | Vacuum oil-gas separator for on-line monitoring of transformer |
| CN202307429U (en) * | 2011-10-25 | 2012-07-04 | 江苏省电力公司南通供电公司 | Novel on-load tapping switch online oil filtering device |
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