CN105845376A - Bubble suppression method and device of large-scale transformer during live-line oil filtering - Google Patents
Bubble suppression method and device of large-scale transformer during live-line oil filtering Download PDFInfo
- Publication number
- CN105845376A CN105845376A CN201610321376.1A CN201610321376A CN105845376A CN 105845376 A CN105845376 A CN 105845376A CN 201610321376 A CN201610321376 A CN 201610321376A CN 105845376 A CN105845376 A CN 105845376A
- Authority
- CN
- China
- Prior art keywords
- oil
- vacuum
- transformer
- bubble
- charged
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a bubble suppression method and device of a large-scale transformer during live-line oil filtering. The device comprises a transformer live-line oil filtering device and a live-line oil filtering unit, wherein a vacuum bubble elimination device and a forced bubble removal device are connected in series in the transformer live-line oil filtering device, the vacuum bubble elimination device adopts a vacuum pump to vacuumize a vacuum pot, the vacuum degree reaches 5-150Pa, and the flow rate of transformer oil is controlled to be 30-150L/min. By the device, the safety risk of bubbles to transformer running during live-line oil filtering of the large-scale transformer can be effectively avoided, and the product production is very convenient to achieve; and with the adoption of the bubble suppression method and device of the large-scale transformer during live-line oil filtering, the live-line oil filtering unit is improved, live-line oil filtering operation in a transformer site is safely and efficiently facilitated, and thus, the device has potential and expected economic benefit.
Description
Technical field
The present invention relates to a kind of transformer belt electrofiltration oil, particularly relate to a kind of high-power transformer band
Bubble suppressing method during electrofiltration oil.The invention still further relates to realize the charged oil strain of this high-power transformer
Time bubble suppressing method device.
Background technology
Operating oil-immersed power transformer installing, during oiling and maintenance etc.,
Inevitable that certain content gas enters.Due to the bubble being present in transformer oil
Can remain the state of suspension, movement in transformer tank body, high-power transformer is running
During there is the strongest electric field, when bubble suspended in oil inherently draws through forceful electric power place
Playing shelf depreciation, when there is a large amount of bubble, can seriously reduce apparatus insulated performance, even
Cause apparatus insulated puncturing, cause operating transformer to damage.
Owing to electrical network power supply reliability requires more and more higher, transformator power off time is increasingly
Limited, operating transformer is carried out oil strain process, does not affect the properly functioning of transformator simultaneously
Just become increasingly necessary to.But, charged carry out oil strain process, oil product will be accelerated in transformation
Circulation within device, easily produces substantial amounts of bubble, brings safety wind to operating transformer
Danger.Therefore, how to suppress the bubble produced during charged oil strain, by risk control to
Low, it is that can charged oil strain one of the key issue of popularization and application.Current existing transformator
Charged oil-filtering apparatus CN 201420510502.4 is to use deterioration tank and purification pot, by
The disconnected mode controlled improves safety, but does not considers the suppression problem of bubble.
Summary of the invention
First technical problem that the invention solves the problems that is to provide one and can effectively suppress to become
Depressor bubble, and the large-scale transformation of other security risk will not be brought to operating transformer
Bubble suppressing method during device charged oil strain.
Second technical problem that the invention solves the problems that is to provide one and realizes this large-scale transformation
The device of bubble suppressing method during device charged oil strain.
In order to solve above-mentioned first technical problem, the high-power transformer that the present invention provides is charged
Bubble suppressing method during oil strain, sets including transformer belt electricity oil-filtering apparatus and charged oil strain thereof
Standby, in described transformer belt electricity oil-filtering apparatus a kind of bubbles of vacuum cancellation element of series connection and
One mandatory bubble removal device；The vacuum of described bubbles of vacuum cancellation element reaches
5～150Pa；The flow speed control of transformer oil is 30～150L/min.
Described mandatory bubble removal device is arranged on the oil-feed of described charged oil filtering unit
Guan Hou, described bubbles of vacuum cancellation element is arranged on the fuel-displaced of described charged oil filtering unit
Guan Qian.
In order to solve above-mentioned second technical problem, what the present invention provided realizes high-power transformer
The device of bubble suppressing method during charged oil strain, including transformer belt electricity oil-filtering apparatus and band thereof
Electricity oil filtering unit, in described transformer belt electricity oil-filtering apparatus, a kind of bubbles of vacuum of series connection disappears
Except device and a mandatory bubble removal device.
The structure of described bubbles of vacuum cancellation element is: the top of vacuum oil tank is provided with transformation
Device oil nozzle, the aperture 0.5～30mm of described transformer oil shower nozzle, described vacuum
A diameter of the 1 of oil tank～2m, highly 1～3m, it is provided with 3～8 in described vacuum oil tank
Layer dividing plate, the length 0.9～1.8m of described dividing plate, described vacuum oil tank connects to be had
Vacuum pump；The bottom of vacuum oil tank is provided with oil drain out.
Described vacuum pump is bipolar rotary-vane vaccum pump.
Described forced action type bubble removal device is mainly by oil suction chamber, working chamber, impeller, fuel-displaced
Chamber and exhaustor composition, described oil suction chamber connects oil inlet pipe, and the described oil pocket that goes out connects
Having oil exit pipe, described oil inlet pipe to align described impeller, described working chamber connects described
Exhaustor.
The internal diameter 20～100mm of described oil inlet pipe and oil exit pipe, the size of described impeller:
Impeller inlet width of blade b1=20～100mm, exit vane width b2=10～90mm,
Impeller inlet diameter D1=100～300mm, impeller outlet diameter D2=200～400mm,
Vane inlet geometry angle b1a=10～30 °, blade exit geometry angle b2a=10～35 °,
The length 100～600mm of described working chamber, the diameter 40～200 of described oil-discharging cavity
mm。
Described mandatory bubble removal device is arranged on the oil inlet pipe of described charged oil filtering unit
After, described bubbles of vacuum cancellation element is arranged on the flowline of described charged oil filtering unit
Before.
Use technique scheme high-power transformer charged oil strain time bubble suppressing method and
Its device, bubbles of vacuum cancellation element and mandatory bubble removal device are by the gas in transformer oil
Bubble carries out bubbles of vacuum and eliminates and mandatory bubble removal, and it provides the benefit that, invention can
Effectively solve the safety wind that operating transformer is caused by high-power transformer charged filter bubble in oil
Danger, is highly convenient for realizing production.Bubble suppression when using high-power transformer charged oil strain
Method, improves charged oil filtering unit, is conducive to carrying out substation field is safe and efficient
Charged oil strain works.These advantages of the present invention so that high-power transformer charged oil strain seasonal epidemic pathogens
Bubble suppressing method is provided with wider array of range of application in actual promoting the use of, thus has latent
Economic benefit expection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mandatory bubble removal device of the device that the present invention provides.
Fig. 2 is the structural representation of the bubbles of vacuum cancellation element of the device that the present invention provides.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Seeing Fig. 1 and Fig. 2, during the high-power transformer charged oil strain that the present invention provides, bubble presses down
Method processed, including transformer belt electricity oil-filtering apparatus and charged oil filtering unit thereof, at transformer belt
In electricity oil-filtering apparatus, a kind of bubbles of vacuum cancellation element 9 of series connection and a mandatory bubble go
Except device 8；Bubbles of vacuum cancellation element 9 uses vacuum pump to carrying out evacuation, and vacuum reaches
To 5～150Pa；The flow speed control of transformer oil is 30～150L/min.
Seeing Fig. 1 and Fig. 2, what the present invention provided realizes high-power transformer charged oil strain seasonal epidemic pathogens
The device of bubble suppressing method, including transformer belt electricity oil-filtering apparatus and charged oil filtering unit thereof,
In transformer belt electricity oil-filtering apparatus a kind of bubbles of vacuum cancellation element 9 of series connection and one strong
Property bubble removal device 8 processed.Transformer belt electricity oil-filtering apparatus is that CN 201420510502.4 is public
The transformer belt electricity oil-filtering apparatus opened.
Specifically, the structure of bubbles of vacuum cancellation element 9 is: the top of vacuum oil tank 14
It is provided with transformer oil shower nozzle 10, the aperture 0.5～30mm of transformer oil shower nozzle 10, vacuum
A diameter of the 1 of oil tank 14～2m, highly 1～3m, it is provided with 3～8 in vacuum oil tank 14
Layer dividing plate 11, the length 0.9～1.8m of dividing plate 11, vacuum oil tank 14 connection has bipolar
Rotary-vane vaccum pump 13；The bottom of vacuum oil tank 14 is provided with oil drain out 12.
Forced action type bubble removal device 8 is mainly by oil suction chamber 5, working chamber 2, impeller 7, fuel-displaced
Chamber 3 and exhaustor 4 form, and oil suction chamber 5 connects oil inlet pipe 1, and going out oil pocket 3 connection has
Oil exit pipe 6, oil inlet pipe 1 aligns described impeller 7, and described working chamber 2 connects described
Exhaustor 4.
Specifically, the internal diameter 20～100mm of oil inlet pipe 1 and oil exit pipe 6, the chi of impeller 7
Very little: impeller inlet width of blade b1=20～100mm, exit vane width b2=10～
90mm, impeller inlet diameter D1=100～300mm, impeller outlet diameter D2=200～400
Mm, vane inlet geometry angle b1a=10～30 °, blade exit geometry angle b2a=10～35
°, the length 100～600mm of working chamber 2, the diameter 40～200mm of oil-discharging cavity 3.
Provide below a kind of embodiment.
Bubble suppressing method and device thereof during the high-power transformer charged oil strain that the present invention provides,
Including transformer belt electricity oil-filtering apparatus, a kind of vacuum of series connection in transformer belt electricity oil-filtering apparatus
Air-vent 9 and a mandatory bubble removal device 8.
(1) bubbles of vacuum cancellation element 9 has transformer oil shower nozzle 10, and transformer oil sprays
The aperture 5mm of 10, the bottom of vacuum oil tank 14 is provided with oil drain out 12, vacuum oil tank
The diameter of 14 to 1m, highly 1.5m, in vacuum oil tank 14, tool haves three layers dividing plate 11,
Length 0.9m of dividing plate 11, uses commercially available bipolar rotary-vane vaccum pump 13 to vacuum oil tank
14 carry out evacuation, power 1500W, vacuum 70Pa；
(2) mandatory bubble removal device 8, the internal diameter of oil inlet pipe 1 and oil exit pipe 6 uses 50
Mm, impeller 7 is commercially available TD type centrifugal pump impeller, a size of: impeller inlet width of blade
B1=50mm, exit vane width b2=40mm, impeller inlet diameter D1=180mm,
Impeller outlet diameter D2=280mm, b1a=18 ° of vane inlet geometry angle, blade exit is several
What b2a=21 ° of angle, working chamber length 300mm, oil-discharging cavity diameter 100mm；
(2) after mandatory bubble removal device 8 is arranged on the oil inlet pipe of charged oil filtering unit, very
Before air bubble cancellation element 9 is arranged on the flowline of charged oil filtering unit；
(3) oil pump is commercially available SN type screw pump, power 500W, flow velocity 50L/min.
Claims (8)
1. bubble suppressing method during high-power transformer charged oil strain, including transformer belt
Electricity oil-filtering apparatus and charged oil filtering unit thereof, is characterized in that: at described transformer belt electrofiltration
A kind of bubbles of vacuum cancellation element of series connection and a mandatory bubble removal device in oil device；Institute
The vacuum of the bubbles of vacuum cancellation element stated reaches 5～150Pa；The flow velocity of transformer oil
Control 30～150L/min.
Bubble suppression side during high-power transformer the most according to claim 1 charged oil strain
Method, is characterized in that: described mandatory bubble removal device is arranged on described charged oil strain and sets
After standby oil inlet pipe, described bubbles of vacuum cancellation element is arranged on described charged oil strain and sets
Before standby flowline.
3. realize bubble suppression side during the charged oil strain of the high-power transformer described in claim 1
The device of method, including transformer belt electricity oil-filtering apparatus and charged oil filtering unit thereof, is characterized in that:
In described transformer belt electricity oil-filtering apparatus a kind of bubbles of vacuum cancellation element of series connection (9) and
One mandatory bubble removal device (8).
The most according to claim 3 when realizing high-power transformer charged oil strain bubble press down
The device of method processed, is characterized in that: the structure of described bubbles of vacuum cancellation element (9) is:
The top of vacuum oil tank (14) is provided with transformer oil shower nozzle (10), described transformer oil shower nozzle
(10) aperture 0.5～30mm, a diameter of the 1～2m of described vacuum oil tank (14),
Highly 1～3m, it is provided with 3～8 layers of dividing plate (11) in described vacuum oil tank (14), described
The length 0.9～1.8m of dividing plate (11), described vacuum oil tank (14) connects vacuum
Pump；The bottom of described vacuum oil tank (14) is provided with oil drain out (12).
The most according to claim 4 when realizing high-power transformer charged oil strain bubble press down
The device of method processed, is characterized in that: described vacuum pump is bipolar rotary-vane vaccum pump (13).
6. according to realizing high-power transformer charged oil strain seasonal epidemic pathogens described in claim 3 or 4
The device of bubble suppressing method, is characterized in that: described forced action type bubble removal device (8) is main
By oil suction chamber (5), working chamber (2), impeller (7), go out oil pocket (3) and exhaustor (4) forms,
Described oil suction chamber (5) connects oil inlet pipe (1), and described oil pocket (3) connection that goes out has oil extraction
Pipe (6), described oil inlet pipe (1) aligns described impeller (7), described working chamber (2)
Exhaustor (4) described in connection.
The most according to claim 6 when realizing high-power transformer charged oil strain bubble press down
The device of method processed, is characterized in that: described oil inlet pipe (1) and the internal diameter of oil exit pipe (6)
20～100mm, the size of described impeller (7): impeller inlet width of blade b1=20～
100mm, exit vane width b2=10～90mm, impeller inlet diameter D1=100～
300mm, impeller outlet diameter D2=200～400mm, vane inlet geometry angle b1a=10～
30 °, blade exit geometry angle b2a=10～35 °, the length of described working chamber (2)
100～600mm, the diameter 40～200mm of described oil-discharging cavity (3).
8. according to realizing high-power transformer charged oil strain seasonal epidemic pathogens described in claim 3 or 4
The device of bubble suppressing method, is characterized in that: described mandatory bubble removal device (8) is installed
After the oil inlet pipe of described charged oil filtering unit, described bubbles of vacuum cancellation element (9)
Before being arranged on the flowline of described charged oil filtering unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321376.1A CN105845376A (en) | 2016-05-16 | 2016-05-16 | Bubble suppression method and device of large-scale transformer during live-line oil filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321376.1A CN105845376A (en) | 2016-05-16 | 2016-05-16 | Bubble suppression method and device of large-scale transformer during live-line oil filtering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105845376A true CN105845376A (en) | 2016-08-10 |
Family
ID=56593524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610321376.1A Pending CN105845376A (en) | 2016-05-16 | 2016-05-16 | Bubble suppression method and device of large-scale transformer during live-line oil filtering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105845376A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375504A (en) * | 2018-11-06 | 2019-02-22 | 江西北斗变电科技有限公司 | The method of winding insulation bubble formation control based on Fuzzy Neural PID control |
| CN115372738A (en) * | 2022-08-18 | 2022-11-22 | 国网安徽省电力有限公司亳州供电公司 | Risk prediction method and device for relay protection of power system |
| CN115382253A (en) * | 2022-08-18 | 2022-11-25 | 国能神皖合肥发电有限责任公司 | Oil station return oil metering device capable of eliminating thin oil bubbles |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123358U (en) * | 1992-04-22 | 1992-12-02 | 渝州大学 | High efficiency vacuum oil filtering equipment |
| CN102641610A (en) * | 2012-05-07 | 2012-08-22 | 齐齐哈尔科诺科技有限公司 | Foam elimination device for vacuum oil purification |
| CN203311985U (en) * | 2013-06-21 | 2013-11-27 | 浙江申工变压器制造有限公司 | On-line oil filter transformer |
| CN203408554U (en) * | 2013-08-02 | 2014-01-29 | 齐齐哈尔市金车工业公司 | Vacuum electric adsorption oil purifier |
| CN203990067U (en) * | 2014-06-27 | 2014-12-10 | 安徽龙溪外贸麻油制造有限公司 | The degassed vacuum oil purifier of a kind of froth breaking |
| CN204066956U (en) * | 2014-09-05 | 2014-12-31 | 国家电网公司 | Transformer belt electricity oil-filtering apparatus |
| CN105387027A (en) * | 2014-09-04 | 2016-03-09 | 泰州市瑞驰动力机械有限公司 | Efficient bubble removing device |
-
2016
- 2016-05-16 CN CN201610321376.1A patent/CN105845376A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2123358U (en) * | 1992-04-22 | 1992-12-02 | 渝州大学 | High efficiency vacuum oil filtering equipment |
| CN102641610A (en) * | 2012-05-07 | 2012-08-22 | 齐齐哈尔科诺科技有限公司 | Foam elimination device for vacuum oil purification |
| CN203311985U (en) * | 2013-06-21 | 2013-11-27 | 浙江申工变压器制造有限公司 | On-line oil filter transformer |
| CN203408554U (en) * | 2013-08-02 | 2014-01-29 | 齐齐哈尔市金车工业公司 | Vacuum electric adsorption oil purifier |
| CN203990067U (en) * | 2014-06-27 | 2014-12-10 | 安徽龙溪外贸麻油制造有限公司 | The degassed vacuum oil purifier of a kind of froth breaking |
| CN105387027A (en) * | 2014-09-04 | 2016-03-09 | 泰州市瑞驰动力机械有限公司 | Efficient bubble removing device |
| CN204066956U (en) * | 2014-09-05 | 2014-12-31 | 国家电网公司 | Transformer belt electricity oil-filtering apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375504A (en) * | 2018-11-06 | 2019-02-22 | 江西北斗变电科技有限公司 | The method of winding insulation bubble formation control based on Fuzzy Neural PID control |
| CN109375504B (en) * | 2018-11-06 | 2022-04-19 | 江西北斗变电科技有限公司 | Winding insulation bubble generation control method based on fuzzy neural network PID control |
| CN115372738A (en) * | 2022-08-18 | 2022-11-22 | 国网安徽省电力有限公司亳州供电公司 | Risk prediction method and device for relay protection of power system |
| CN115382253A (en) * | 2022-08-18 | 2022-11-25 | 国能神皖合肥发电有限责任公司 | Oil station return oil metering device capable of eliminating thin oil bubbles |
| CN115372738B (en) * | 2022-08-18 | 2023-09-08 | 国网安徽省电力有限公司亳州供电公司 | Risk prediction method and device for relay protection of power system |
| CN115382253B (en) * | 2022-08-18 | 2024-02-06 | 国能神皖合肥发电有限责任公司 | Can eliminate oil station return oil metering device of thin oil bubble |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105845376A (en) | Bubble suppression method and device of large-scale transformer during live-line oil filtering | |
| CN202675930U (en) | Steam condenser vacuumizing cooling device | |
| CN202400987U (en) | Cleaning system of acetylene gas | |
| CN204661807U (en) | A kind of aluminium liquid degasification deslagging device | |
| CN202675929U (en) | Cooling device for improving vacuum effect of condenser | |
| CN202724863U (en) | Two-stage vacuum oil purifier | |
| CN204563837U (en) | Processing cooling water circulation dust pelletizing system moulded by wood | |
| CN204803307U (en) | Virus deactivation device | |
| CN204111500U (en) | A kind of for aluminum products water lotion recovery system | |
| CN203370425U (en) | Landfill gas pretreatment device | |
| CN208532357U (en) | Ozone disinfecting-sterilizing pretreatment system for sewage | |
| CN101915243B (en) | Emptying device of cooling fan submersible pump and control method | |
| CN202044803U (en) | High-vacuum condensing recovery system | |
| CN202833013U (en) | Water jet vacuum machine set | |
| CN204411778U (en) | Three grades of fine pumping systems | |
| CN215058148U (en) | Vacuum air supply device of screw vacuum pump | |
| CN203867922U (en) | Water-ring vacuum pump | |
| CN203362518U (en) | Water comprehensive utilization device of water ring vacuum pump | |
| CN204147648U (en) | A kind of atomizer for vacuum oil purifier | |
| CN204559297U (en) | A kind of water-cooled machine support preventing water channel fouling | |
| CN204007159U (en) | A kind of cooling water circulating device | |
| CN205127490U (en) | Water purification apparatus | |
| CN203841083U (en) | Dried mushroom softening and conveying machine | |
| CN204724014U (en) | A kind of emission-control equipment of equipment for dyeing and finishing | |
| CN206733459U (en) | A kind of EPS forming machines central vacuum system and EPS formation systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |