CN109003786A - A kind of transformer oil intelligent microwave vacuum treatment installation - Google Patents

A kind of transformer oil intelligent microwave vacuum treatment installation Download PDF

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Publication number
CN109003786A
CN109003786A CN201810818765.4A CN201810818765A CN109003786A CN 109003786 A CN109003786 A CN 109003786A CN 201810818765 A CN201810818765 A CN 201810818765A CN 109003786 A CN109003786 A CN 109003786A
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CN
China
Prior art keywords
oil
vacuum
microwave
pump
transformer oil
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.)
Granted
Application number
CN201810818765.4A
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Chinese (zh)
Other versions
CN109003786B (en
Inventor
林晓铭
宋仕江
陈君
阮肇华
陈领
林荣辉
连鸿松
何捷
林跃
余海泳
孙文迪
黄凌
陈建炜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Fujian Electric Power Co Ltd
Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Shaowu Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Fujian Electric Power Co Ltd
Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
Shaowu Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by State Grid Fujian Electric Power Co Ltd, Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd, Shaowu Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Fujian Electric Power Co Ltd
Priority to CN201810818765.4A priority Critical patent/CN109003786B/en
Publication of CN109003786A publication Critical patent/CN109003786A/en
Application granted granted Critical
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G53/00Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
    • C10G53/02Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Transformer Cooling (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Fats And Perfumes (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The present invention relates to a kind of transformer oil intelligent microwave vacuum treatment installations, comprising: oil-feed pump, filter, shielding heating compartment, vacuum tank and oil outlet pump;Oil-feed pump accesses filter through oil inlet solenoid valve and first pipe;Filter accesses shielding heating compartment through second pipe;It is separately provided for providing the Microwave emission rifle of microwave heating function in multiple through-holes that shielding heating compartment top opens up, Microwave emission rifle is connected to microwave generator;It shields heating compartment and accesses vacuum tank through third pipeline;Through the 4th pipeline and out, solenoid accesses oil outlet pump to vacuum tank;Oil-feed pump, oil inlet solenoid valve, microwave generator, solenoid and oil outlet pump are connected to controller out.The present invention proposes device, selectively contained humidity in transformer oil is removed, without heating wire and electrical bar to the direct-fired danger of oil, reaches safe and efficient, quick, environmentally friendly online oil filtration purpose, package unit can accomplish intelligent small size, be easy to incorporate in smart grid construction.

Description

A kind of transformer oil intelligent microwave vacuum treatment installation
Technical field
The present invention relates to a kind of transformer oil intelligent microwave vacuum treatment installations.
Background technique
Traditional main transformer vacuum oil filtering device is to carry out circulating-heating to whole transformer oil using heating wire, electrical bar to take out very Sky dehydration degassing process, achievees the purpose that improve transformer oil quality in main transformer, due to being heated to whole transformer oil, Therefore online processing device volume is huge, and transformer oil can not to be penetrated as microwave selective for heating wire, electrical bar Moisture content is heated, directly oil can only be heated, cause uneven, low efficiency, the temperature near heating wire, electrical bar is high, Distant place temperature is low, while directly to oil heating, there are insecurity factors for heating wire, electrical bar, and oil easily occurs and crosses heat deterioration, very To the major accident for causing fire.
Summary of the invention
The purpose of the present invention is to provide a kind of transformer oil intelligent microwave vacuum treatment installations, to overcome in the prior art Existing defect.
To achieve the above object, the technical scheme is that a kind of transformer oil intelligent microwave vacuum treatment installation, packet It includes: oil-feed pump, filter, shielding heating compartment, vacuum tank and oil outlet pump;The oil-feed pump is managed through oil inlet solenoid valve and first Road accesses the filter;The filter accesses the shielding heating compartment through second pipe;It opens on the shielding heating compartment top If multiple through-holes in be separately provided for providing the Microwave emission rifle of microwave heating function, the Microwave emission rifle is all connected with To a microwave generator;The shielding heating compartment accesses the vacuum tank through third pipeline;The vacuum tank through the 4th pipeline with And solenoid accesses the oil outlet pump out;It is the oil-feed pump, the oil inlet solenoid valve, the microwave generator, described fuel-displaced Solenoid valve and the oil outlet pump are connected to controller.
In an embodiment of the present invention, the filter top is additionally provided with safety valve.
In an embodiment of the present invention, a controller is additionally provided in the shielding heating compartment to be connected and for detecting shielding The temperature sensor of interior temperature in heating compartment.
In an embodiment of the present invention, the side of the vacuum tank is additionally provided with the vacuum for detecting vacuum degree in tank body Table, for adjusting the vacuum release valve of vacuum condition in tank, the vacuum pump for vacuumizing and for detecting tank level height The electric contact oil level indicator of degree;The vacuum meter, the vacuum release valve, the vacuum pump, the electric contact oil level indicator are all connected with To controller.
In an embodiment of the present invention, it is respectively arranged in the through-hole that the 4th pipeline side opens up and is connected with controller Dielectric strength sensor, characteristic gas sensor and trace moisture sensor.
In an embodiment of the present invention, the controller is PLC and frequency converter.
Compared to the prior art, the invention has the following advantages: a kind of transformer oil proposed by the present invention is intelligently micro- Wave vacuum treatment installation is nonpolar insulating liquid using transformer oil, but its internal contained humidity is the characteristic of polar molecule, Microwave heating is that polar molecule inner high speed is made to vibrate high-efficiency heating, and to the principle that nonpolar transformer oil can penetrate, is had Contained humidity in transformer oil is removed by selectivity, and without heating wire and electrical bar to oily direct-fired risk factor, Reach safe and efficient, quick, environmentally friendly online oil filtration purpose, package unit can accomplish intelligent small size, be easy to incorporate intelligent electricity In net construction.
Detailed description of the invention
Fig. 1 is a kind of transformer oil intelligent microwave vacuum treatment installation in the present invention;
Fig. 2 is a kind of transformer oil intelligent microwave vacuum treatment installation workflow schematic diagram in the present invention;
Fig. 3 is a kind of transformer oil intelligent microwave vacuum treatment installation control module control principle block diagram in the present invention.
[label declaration]: 1- oil-feed pump, 2- oil inlet solenoid valve, 3- first pipe, 4- filter, 5- safety valve, 6- second Pipeline, 7- shield heating compartment, 8- microwave generator, 9- Microwave emission rifle, 10- temperature sensor, 11- third pipeline, 12- vacuum Tank, 13- vacuum meter, 14- vacuum release valve, 15- electric contact oil level indicator, 16- vacuum pump, the 4th pipeline of 17-, 18- dielectric strength Sensor, 19- characteristic gas sensor, 20- trace moisture sensor, 21- go out solenoid, 22- oil outlet pump.
Specific embodiment
With reference to the accompanying drawing, technical solution of the present invention is specifically described.
A kind of transformer oil intelligent microwave vacuum treatment installation proposed by the present invention, comprising: oil-feed pump 1, filter 4, screen Cover heating compartment 7, vacuum tank 12 and oil outlet pump 22;Oil-feed pump accesses filter through oil inlet solenoid valve 2 and first pipe 3;It crosses Filter accesses shielding heating compartment through second pipe 6;It is separately provided for mentioning in multiple through-holes that shielding heating compartment top opens up For the Microwave emission rifle 9 of microwave heating function, Microwave emission rifle is connected to a microwave generator 8;Heating compartment is shielded through third Pipeline 11 accesses vacuum tank 12;Through the 4th pipeline 17 and out, solenoid 21 accesses oil outlet pump 22 to vacuum tank;Oil-feed pump, oil inlet Solenoid valve, microwave generator, solenoid and oil outlet pump are connected to controller out.
In the present embodiment, filter top is additionally provided with safety valve 5.
In the present embodiment, a controller is additionally provided in shielding heating compartment to be connected and for interior in detection shielding heating compartment The temperature sensor 10 of temperature.
In the present embodiment, the side of vacuum tank is additionally provided with vacuum meter 13 for detecting vacuum degree in tank body, is used for Adjust the vacuum release valve 14 of vacuum condition, the vacuum pump 16 for vacuumizing and for detecting innage in tank Electric contact oil level indicator 15;Vacuum pump, electric contact oil level indicator are connected to controller.
In the present embodiment, the dielectric strength being connected with controller is respectively arranged in the through-hole that the 4th pipeline side opens up Sensor 18, characteristic gas sensor 19 and trace moisture sensor 20.
In the present embodiment, controller is PLC and frequency converter.
In order to allow those skilled in the art to further appreciate that technical solution proposed by the present invention, combined with specific embodiments below It is illustrated.
A kind of transformer oil intelligent microwave vacuum treatment installation proposed by the present invention, including transformer oil microwave selective add Hot systems, on-line monitoring system, control module, vacuum flush system, into and out of oily device and connecting pipe etc..
Transformer oil microwave selective heating system includes: filter, shielding heating compartment, microwave generator, temperature sensing Device, microwave generator etc..
On-line monitoring system includes: transformer oil micro-water content sensor, transformer oil dielectric strength sensor, transformer Oily characteristic gas content level sensor etc..
Controller includes frequency converter and PLC.PLC can also be substituted by using other microprocessors.Controller is according in advance The program that programming is arranged carries out intelligent control processing to transformer's oil-treatment device.
Vacuum flush system includes: vacuum pump, vacuum tank, vacuum release valve etc..
It include: into and out of oil pump, into and out of solenoid, electric contact oil level indicator, safety valve etc. into and out of oily device.
Further, the outlet of oil-feed pump connects oil inlet solenoid valve, and is connected to filter oil inlet, mistake with first pipe Filter oil outlet is connected to the oil inlet of shielding heating compartment by second pipe, and the oil outlet for shielding heating compartment passes through third pipeline It is connected to vacuum tank oil inlet, vacuum tank oil outlet is connected to fuel-displaced pump inlet, vacuum by the 4th pipeline and out solenoid The air entry of pump is connected to the bleeding point of vacuum tank.
Further, electric contact oil level indicator, electric contact vacuum meter, temperature sensor, transformer oil micro-water content sensor, The output end of transformer oil dielectric strength sensor, transformer oil characteristic gas content level sensor etc. is electrically connected in control The input terminal of device, the output end of controller are electrically connected in microwave emitter, become into and out of solenoid into and out of oil pump Frequency controller, the input terminal of vacuum pump, vacuum release valve etc..
Further, transformer oil microwave selective heating system include: filter, shielding heating compartment, microwave generator, Temperature sensor, microwave controller etc..Microwave generator is fitted with multiple Microwave emission rifles, and each Microwave emission rifle respectively penetrates screen Heating compartment outer wall is covered, into inner cavity, and is uniformly installed on inner cavity top, the microwave energy that microwave generator generates is uniform respectively It is delivered to each ejecting gun, emitting microwave radiation to the transformer oil entered in shielding heating compartment by ejecting gun can be carried out heating, The appearance interlayer of shielding heating compartment is the material manufacture that can be shielded barrier microwave and leak, and temperature sensing probe passes through shielding heating compartment Top exterior walls, and go deep into the transformer oil for shielding heating compartment, thermometric is carried out to the transformer oil of shielding heating compartment and signal passes It is defeated.
Further, the oil to be processed squeezed by oil-feed pump removes mechanical admixture in oil, filtered oil through filter It into shielding heating compartment, opens microwave generator and emits microwave, since transformer oil is nonpolarity or polarity very little substance, and become Contained humidity is polar substances in depressor oil, and microwave energy penetrates nonpolar transformer oil, selective to transformer oil first Middle contained humidity carries out acutely oscillation heating removing, then whole to heated the transformer oil flowed through in heating compartment.
Further, on-line monitoring system includes: transformer oil micro-water content sensor, transformer oil dielectric strength sensing Device, transformer oil characteristic gas content level sensor etc..Transformer oil micro-water content sensor, transformer oil dielectric strength sensing Device, transformer oil characteristic gas content level sensor etc. be mounted on vacuum tank oil outlet the 4th pipeline and out solenoid it Between, sensor probe passes through tube wall and gos deep into transformer oil, and the above detecting line sensor can be to through transformer oil intelligence Treated that transformer oil carries out on-line checking respectively for microwave vacuum processing unit, and will test data and be transmitted to control module, Intelligent control operation is carried out according to the program for pre-entering parameter setting programming by control module.
Further, vacuum flush system includes: vacuum pump, vacuum tank, vacuum meter, vacuum release valve etc., is added by shielding The carrying steam heat transformer oil that hot cabin is come, enters vacuum tank with film-form, under vacuum conditions rapidly by Residual water and The steam of entrainment, is taken away by vacuum pump, after the completion of vacuumizing work, need to open vacuum release valve, system vacuum is destroyed, extensive It after multiple normal pressure, could shut down, vacuum meter is for monitoring vacuum tank vacuum degree.
Further, controller is via designer in advance by transformer oil quality control index parameter, comprising: transformer Oily micro-water content, dielectric strength, characteristic gas content, power system transformer oil characteristic gas are as follows: hydrogen, methane, ethane, second This 7 kinds of characteristic gas such as alkene, acetylene, carbon monoxide, carbon dioxide.
Further, when handled oil quality is poor, when each sensor detection Con trolling index is not seriously up to standard, controller control Transformer oil intelligent microwave vacuum treatment installation processed increases power output, including increase microwave radiation, increase vacuum pump power output etc., it is on the contrary ?.Controller also presets and is programmed with: oil level, pressure Con trolling index etc.,.When oil level rises to setting value, it is automatically closed Oil-feed pump and oil inlet solenoid valve are reopened when oil level is down to setting value.When system pressure reaches setting value, control Safety valve pressure release processed, to guarantee system safety.Frequency converter is controlled by control module, enables vacuum pump and into and out of oil pump according to negative The degree converting operation of lotus and processing oil quality, when load is big, oil quality is poor, frequency is increased, and vice versa.
Further, device provided by the invention is polarity for the non-polar nature of transformer oil and internal contained humidity The characteristics of molecule, provides the design of microwave generator, shielding heating compartment and auxiliary facility;Microwave polar molecule is vibrated and is heated Technique is combined with transformer oil vacuum dehydration degasification technique, and design microwave oscillation vacuumizes oil-filtering apparatus;By frequency control system System applies in processing unit, when transformer oil moisture content is more, poor quality when, processing unit output is big, and vice versa, reaches Efficiently, environmentally friendly purpose;Mating intelligent automatic-control device, intelligent control operation.
The above are preferred embodiments of the present invention, and all any changes made according to the technical solution of the present invention, generated function is not When range beyond technical solution of the present invention, all belong to the scope of protection of the present invention.

Claims (6)

1. a kind of transformer oil intelligent microwave vacuum treatment installation characterized by comprising oil-feed pump, filter, shielding heating Cabin, vacuum tank and oil outlet pump;The oil-feed pump accesses the filter through oil inlet solenoid valve and first pipe;The filtering Device accesses the shielding heating compartment through second pipe;It is respectively set in multiple through-holes that the shielding heating compartment top opens up useful In providing the Microwave emission rifle of microwave heating function, the Microwave emission rifle is connected to a microwave generator;The shielding adds The vacuum tank is accessed through third pipeline in hot cabin;The vacuum tank is described fuel-displaced through the 4th pipeline and out solenoid access Pump;The oil-feed pump, the oil inlet solenoid valve, the microwave generator, solenoid and the oil outlet pump out are electric Property is connected to controller.
2. a kind of transformer oil intelligent microwave vacuum treatment installation according to claim 1, which is characterized in that the filtering Safety valve is additionally provided at the top of device.
3. a kind of transformer oil intelligent microwave vacuum treatment installation according to claim 1, which is characterized in that the shielding A controller is additionally provided in heating compartment to be connected and for detecting the temperature sensor for shielding interior temperature in heating compartment.
4. a kind of transformer oil intelligent microwave vacuum treatment installation according to claim 1, which is characterized in that the vacuum The side of tank is additionally provided with the vacuum for detecting the vacuum meter of vacuum degree in tank body, for adjusting vacuum condition in tank and discharges Valve, the vacuum pump for vacuumizing and the electric contact oil level indicator for detecting innage;The vacuum pump, the electricity Contact oil level indicator is electrically connected to controller.
5. a kind of transformer oil intelligent microwave vacuum treatment installation according to claim 1, which is characterized in that the described 4th Be respectively arranged in the through-hole that pipeline side opens up the dielectric strength sensor being connected with controller, characteristic gas sensor and Trace moisture sensor.
6. a kind of transformer oil intelligent microwave vacuum treatment installation according to claim 1, which is characterized in that the control Device is PLC and frequency converter.
CN201810818765.4A 2018-07-24 2018-07-24 Intelligent microwave vacuum treatment device for transformer oil Active CN109003786B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810818765.4A CN109003786B (en) 2018-07-24 2018-07-24 Intelligent microwave vacuum treatment device for transformer oil

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Application Number Priority Date Filing Date Title
CN201810818765.4A CN109003786B (en) 2018-07-24 2018-07-24 Intelligent microwave vacuum treatment device for transformer oil

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CN109003786A true CN109003786A (en) 2018-12-14
CN109003786B CN109003786B (en) 2021-08-31

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1440190A (en) * 1972-11-23 1976-06-23 Boc International Ltd Electrical transformers
JPH04188711A (en) * 1990-11-21 1992-07-07 Aichi Electric Co Ltd Method and apparatus for decontamination of transformer using regenerated oil
CN1171976A (en) * 1996-08-09 1998-02-04 铁道部电气化工程局三处电气设备厂 Multifunctional vacuum oil filter
WO2001046353A1 (en) * 1999-12-21 2001-06-28 Industrial Microwave Technologies, Inc. Process for treating waste oil
CN1648213A (en) * 2005-01-07 2005-08-03 陈列 Method for breaking emulsion and dewatering for emulsified raw oil using mirowave and device for realizing said method
CN201298426Y (en) * 2008-11-13 2009-08-26 济南安塞自动化技术有限公司 On-line vacuum heating oil filter
CN204144021U (en) * 2014-09-30 2015-02-04 杭州电缆股份有限公司 A kind of testing transformer reconditioner
CN104771933A (en) * 2015-04-02 2015-07-15 周建伟 Lubricating oil vacuum microwave water removing device
CN105112088A (en) * 2015-08-21 2015-12-02 国家电网公司 On-line removing device for corrosive sulfur in dielectric oil of operational power transformer
CN105754702A (en) * 2016-02-16 2016-07-13 国网河南省电力公司电力科学研究院 System and treatment method for recovering properties of waste transformer oil
CN105833566A (en) * 2016-05-06 2016-08-10 成都艾比科生物科技有限公司 Chemical microwave demulsification device
CN206558317U (en) * 2017-01-23 2017-10-13 重庆恩氏过滤设备制造有限公司 A kind of filtration system for transformer oil vacuum filter

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1440190A (en) * 1972-11-23 1976-06-23 Boc International Ltd Electrical transformers
JPH04188711A (en) * 1990-11-21 1992-07-07 Aichi Electric Co Ltd Method and apparatus for decontamination of transformer using regenerated oil
CN1171976A (en) * 1996-08-09 1998-02-04 铁道部电气化工程局三处电气设备厂 Multifunctional vacuum oil filter
WO2001046353A1 (en) * 1999-12-21 2001-06-28 Industrial Microwave Technologies, Inc. Process for treating waste oil
CN1648213A (en) * 2005-01-07 2005-08-03 陈列 Method for breaking emulsion and dewatering for emulsified raw oil using mirowave and device for realizing said method
CN201298426Y (en) * 2008-11-13 2009-08-26 济南安塞自动化技术有限公司 On-line vacuum heating oil filter
CN204144021U (en) * 2014-09-30 2015-02-04 杭州电缆股份有限公司 A kind of testing transformer reconditioner
CN104771933A (en) * 2015-04-02 2015-07-15 周建伟 Lubricating oil vacuum microwave water removing device
CN105112088A (en) * 2015-08-21 2015-12-02 国家电网公司 On-line removing device for corrosive sulfur in dielectric oil of operational power transformer
CN105754702A (en) * 2016-02-16 2016-07-13 国网河南省电力公司电力科学研究院 System and treatment method for recovering properties of waste transformer oil
CN105833566A (en) * 2016-05-06 2016-08-10 成都艾比科生物科技有限公司 Chemical microwave demulsification device
CN206558317U (en) * 2017-01-23 2017-10-13 重庆恩氏过滤设备制造有限公司 A kind of filtration system for transformer oil vacuum filter

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* Cited by examiner, † Cited by third party
Title
赵付章: "《电力系统自动装置》", 31 March 2016 *

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