CN203839166U - Circulatory purifier for transformer oil - Google Patents

Circulatory purifier for transformer oil Download PDF

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Publication number
CN203839166U
CN203839166U CN201420138151.9U CN201420138151U CN203839166U CN 203839166 U CN203839166 U CN 203839166U CN 201420138151 U CN201420138151 U CN 201420138151U CN 203839166 U CN203839166 U CN 203839166U
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CN
China
Prior art keywords
oil
screen pipe
pipe
transformer
permanent magnet
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.)
Expired - Fee Related
Application number
CN201420138151.9U
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Chinese (zh)
Inventor
叶仁富
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.)
Zhejiang Proview Electric Applicance Co., Ltd
Original Assignee
ZheJiang Jiangshan Special Transformer 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.)
Filing date
Publication date
Application filed by ZheJiang Jiangshan Special Transformer Co Ltd filed Critical ZheJiang Jiangshan Special Transformer Co Ltd
Priority to CN201420138151.9U priority Critical patent/CN203839166U/en
Application granted granted Critical
Publication of CN203839166U publication Critical patent/CN203839166U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a circulatory purifier for transformer oil, which comprises a filter pipe, an oil inlet pipe and an oil outlet pipe, wherein two ends of the filter pipe are detachably connected with the oil inlet pipe and the oil outlet pipe respectively; a first valve is arranged on the oil inlet pipe; a second valve is arranged on the oil outlet pipe; a filter screen used for filtering impurities is arranged at one end of the filter pipe; the other end of the filter pipe is sleeved with a first permanent magnet and a second permanent magnet which are used for adsorbing iron scale; an oil drainage device is arranged at the bottom of the filter pipe. The circulatory purifier can be used for filtering the transformer oil completely to protect a transformer; the filter pipe can be demounted during the use of a transformer oil tank for cleaning to avoid blockage of a passage.

Description

Transformer oil circulation purifier
Technical field
The utility model relates to field transformer, especially relates to a kind of transformer oil circulation purifier.
Background technology
Transformer in use can discharge a large amount of heats, for reducing the heat of transformer, transformer can be placed in to the oil tank of transformer that transformer oil is housed, and absorbs the heat of the release of transformer by transformer oil, and then reduces the temperature of transformer; And in order to reduce the heat of transformer oil, also can on oil tank of transformer, connect heat sink, transformer oil is passed in heat sink and lowered the temperature.
Oil tank of transformer is through polishing by polylith iron plate, knock, the modes such as welding combine, in its manufacture process, can produce a large amount of impurity such as iron filings, and people only can brush several times with hairbrush conventionally before use, then a wiping uses cloth to wipe with, the impurity such as iron filings cannot be removed clean, simultaneously after packing transformer oil into, work along with heat sink, transformer oil can be taken the impurity motions such as the iron filings in oil tank of transformer out of, if cleaning not in time, enter in transformer and can damage transformer, affect the use of transformer, even burn transformer, and oil tank of transformer in use, remove inconvenient, and the impurity such as iron filings are very many, what have is also very little, remove very difficult.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of and can when heat radiation makes, clean impurity, and the cool cycles oil strainer of blocking channel not.
To achieve these goals, the utility model by the following technical solutions: a kind of transformer oil circulation purifier, comprise screen pipe, oil inlet pipe and flowline, described screen pipe two ends removably connect with oil inlet pipe and flowline respectively; Oil inlet pipe is provided with the first valve, and flowline is provided with the second valve; Described screen pipe one end is provided with the screen pack of impurity screening, and the screen pipe other end is arranged with the first permanent magnet and second permanent magnet of absorption iron filings; Screen pipe bottom is provided with jettison gear.
As preferably, described screen pack is recessed to form to a fuel-displaced side recess that holds impurity.
As preferably, described the first permanent magnet and described the second permanent magnet are arc, and are sheathed on the periphery of described screen pipe.
As preferably, the first permanent magnet of described arc and the radian scope of described the second permanent magnet are at 30 °-150 °.
As preferably, described screen pipe comprises and the oil-feed screen pipe being connected with described oil inlet pipe and the fuel-displaced screen pipe being connected with described flowline removably connects between described fuel-displaced screen pipe and oil-feed screen pipe; Described screen pack is located on oil-feed screen pipe, and described the first permanent magnet and described the second permanent magnet are located on fuel-displaced screen pipe.
As preferably, on described oil-feed screen pipe, with described fuel-displaced screen pipe junction, along inwall one circle, be provided with cannelure, described screen pack is located in this cannelure.
As preferably, also comprise liquid current relay.
As preferably, described screen pipe and described oil inlet pipe junction are provided with fuel-displaced sealing ring, and screen pipe and described flowline junction are provided with oil-feed sealing ring, between oil-feed screen pipe and fuel-displaced screen pipe, are provided with intermediate seal circle.
As preferably, described the first valve and described oil inlet pipe junction are provided with the first sealing ring, and described the second valve and described flowline junction are provided with the second sealing ring.
As preferably, described jettison gear is sealing bolt, and described the first valve and the second valve are butterfly valve.
Operation principle: described filter is clean impurity in transformer oil heat radiation process, transformer circulating oil filter is located between oil tank of transformer and heat abstractor, oil-feed for oil tank of transformer, be provided with screen pack, can filter out the impurity that oil tank of transformer inner volume is larger, and permanent magnet is set, can adsorb the iron filings of the small size that screen pack cannot filter, and this arranges and can automatically to the impurity such as iron filings in oil tank of transformer, filter, without manual operation, filter, avoid the impurity such as iron filings to enter transformer, and valve is set, during cleaning, only need valve-off, pull down screen pipe, cleaned out again and again loaded onto.
In sum, the utlity model has following advantage: can filter thoroughly transformer oil, and then transformer played to the effect of protection, in oil tank of transformer use procedure, also can pull down screen pipe and clear up, guarantee not blocking channel.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is A-A face structural representation in Fig. 1.
Fig. 3 is filter screen structure schematic diagram of the present utility model.
Embodiment
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out to clear, complete description.
As Figure 1-3, a transformer oil circulation purifier, comprises liquid current relay 6, screen pipe 1, oil inlet pipe 2 and flowline 3, and described screen pipe 1 two ends removably connect with oil inlet pipe 2 and flowline 3 respectively, this removable filter pipe is set, conveniently it is cleared up; It is upper that described liquid current relay 6 has been located at screen pipe 1, and this liquid current relay is set, and can the transformer oil flow in pipeline be measured and be shown, convenient observation, thereby impurity level in prediction screen pipe, then determine whether screen pipe is cleaned; Oil inlet pipe 2 is provided with the first valve 8, flowline 3 is provided with the second valve 9, described the first valve 8 is provided with the first sealing ring with oil inlet pipe 2 junctions, described the second valve 9 is provided with the second sealing ring with flowline 3 junctions, described the first valve and the second valve are butterfly valve, certainly can also be break valve, gate valve etc., the opening and closing that convenience valve is controlled flowline and oil inlet pipe passage are set, sealing ring is set and strengthen the sealing effectiveness between valve and oil inlet pipe and flowline.
Further, described screen pipe 1 oil-feed one end is provided with screen pack 11, and this screen pack can filter out the impurity such as iron filings that volume is larger, concrete, described screen pack 11 is recessed to form to a fuel-displaced side recess that holds impurity, the shape of this recess can be for multiple, as truncated cone-shaped, terrace with edge shape etc., and in the present embodiment, described screen pack 11 is pyramidal structure, screen pack 11 comprises tip and openend, openend is oil inlet end, openend is fixing by installing ring and screen pipe 1, on installing ring, be provided with vertically brace rod, this brace rod plays a supportive role to screen pack, brace rod avoids screen pack rock because of flowing of transformer oil, the screen pack of this shape can stop a large amount of impurity, while is blocking channel not.
Concrete, the fuel-displaced one end of screen pipe 1 is arranged with the permanent magnet 5 of absorption iron filings, and this permanent magnet 5 comprises the first permanent magnet 51 and the second permanent magnet 52, and the magnetic in the middle of being greater than according to the magnetic of physical principle magnet end is divided into two and strengthens its magnetic; In other embodiments, permanent magnet can be arranged on screen pipe inwall, on screen pipe 1 inwall, two holddown grooves be set, then permanent magnet 5 is located in this holddown groove, this arranges and can prevent that permanent magnet 5 from moving with transformer oil; And in the present embodiment, described the first permanent magnet 51 and the second permanent magnet 52 are all made as to arc, and be sheathed on the periphery of described screen pipe 1, the small size iron filings that this permanent magnet energy adsorption filter screen cannot filter out are set, the suction iron filings of permanent magnet are effective; The present embodiment adopts installation permanent magnet mode to be more prone to, convenient production, and do not affect the circulation of transformer in flowline.Further, the first permanent magnet 51 of described arc and the radian of the second permanent magnet 52 are all made as 60 °; Certainly, the radian of the first permanent magnet 51 and the second permanent magnet 52 can also be 30 °-59 ° or 61 °-150 °, and the magnetic force that the magnet formation within the scope of this radian is set is strong, is conducive to adsorb iron filings.
Concrete, described screen pipe 1 comprises oil-feed screen pipe 12 and fuel-displaced screen pipe 13, and described oil-feed screen pipe 12 is connected with described oil inlet pipe 2, and fuel-displaced screen pipe 13 is connected with described flowline 3, between described oil-feed screen pipe 12 and fuel-displaced screen pipe 13, removably connects; Described oil inlet pipe 2 and oil-feed screen pipe 12 junctions are provided with oil-feed sealing ring, flowline 3 is provided with fuel-displaced sealing ring with fuel-displaced screen pipe 13 junctions, between oil-feed screen pipe 12 and fuel-displaced screen pipe 13, be provided with intermediate seal circle 15, above-mentioned sealing ring is set, strengthened sealing effectiveness.Described screen pack 11 is located on oil-feed screen pipe 13, and permanent magnet 5 is sheathed on outside fuel-displaced screen pipe 13, and screen pipe is arranged to Split type structure, conveniently screen pipe is cleared up, and cleaning is more thorough.
When screen pack 11 is installed, can, by installing ring and the integrally welded structure of oil-feed screen pipe 12, realize fixing screen pack 11; And in the present embodiment, on described oil-feed screen pipe 12, with fuel-displaced screen pipe 13 junctions, along inwall one circle, be provided with cannelure, and described installing ring is located in this cannelure, and this is arranged on when clean, desirablely goes out screen pack and clears up, and clears up more thorough; In order further to increase impurity saturation, oil-feed one side that is positioned at screen pack 11 at described oil-feed screen pipe 12 forms holding tank 14, and this holding tank 14, for holding the impurity exceeding outside screen pack 11, is further avoided impurity too much and blocking pipe; Screen pipe 1 bottom is provided with jettison gear 7, concrete, jettison gear 7 is located at the bottom of holding tank 14, this jettison gear 7 is sealing bolt, can also be sealing plug, close the first valve and second valve behind the door, pull down jettison gear 7, can emit the transformer oil in screen pipe 1, the dismounting of convenient screen pipe.
Concrete, the flange that is connected to of described oil inlet pipe 2 and oil-feed screen pipe 12 is connected, and flowline 3 is connected with the flange that is connected to of fuel-displaced screen pipe 13, and fuel-displaced screen pipe 13 is connected also for flange connects with oil-feed screen pipe 12; And the connected mode of the first valve 8 and oil inlet pipe 2 and the second valve 9 are with the connected mode of flowline 3 also for flange is connected, and this connected mode is installed firmly, convenient disassembly.
Described filter is clean impurity in transformer oil heat radiation process, transformer circulating oil filter is located between oil tank of transformer and heat abstractor, can be used for the oil-feed of oil tank of transformer, also can be for oil tank of transformer fuel-displaced, screen pack and permanent magnet double filtration are set, be provided with screen pack, can filter out the impurity that oil tank of transformer inner volume is larger, and permanent magnet is set, can adsorb the iron filings of the small size that screen pack cannot filter, can automatically to the impurity such as iron filings in oil tank of transformer, filter, without manual operation, filter, and being set, valve can control the passage of closing screen pipe two ends, during cleaning, only need valve-off, pull down screen pipe, cleaned out again and again loaded onto, open valve, avoid the impurity such as iron filings to enter in transformer, damage transformer, and then transformer has been played to the effect of protecting, in oil tank of transformer use procedure, also can pull down screen pipe clears up simultaneously, guarantee not blocking channel.
When described filter is used for the oil-feed of oil tank of transformer, oil inlet pipe 2 is connected with heat abstractor, flowline 3 is connected with oil tank of transformer, its filter process: when the transformer oil in oil tank of transformer carries out circulation cooling, transformer oil motion drives the impurity such as iron filings to arrive in heat abstractor and dispel the heat from flowline, and the transformer oil after heat radiation drives impurity to enter the oil inlet pipe 2 that filter is housed; The impurity that volume is larger is filtered net 11 stop after, be deposited in holding tank, the iron filings of small volume pass screen pack 11 with transformer oil, arrive the fuel-displaced one end of screen pipe 1, by the first permanent magnet 51 and the second permanent magnet 52, adsorbed, the transformer oil after filter filters is got back in oil tank of transformer from flowline 3; Observe the flow velocity of the transformer oil of liquid current relay 6 demonstrations simultaneously, when transformer flow velocity is too low, need clear up filter.And by filter during for oil tank of transformer fuel-displaced, oil inlet pipe is connected with oil tank of transformer, flowline is connected with heat abstractor, and its filter process is similar during to oil-feed for oil tank of transformer.
Scale removal process: first close the first valve 8 and the second valve 9, end flowing of the interior transformer oil of pipeline, then the oil discharge screw of back-outing, the transformer oil in screen pipe 1 is emitted, turn on again screen pipe 1 two ends and oil inlet pipe 2 and the sealing bolt that flowline 3 is connected, unload screen pipe 1; Take off permanent magnet 5, iron filings are cleaned out, then screen pipe is split into oil-feed screen pipe 12 and fuel-displaced screen pipe 13, take off screen pack 11, thoroughly clean; After having cleared up, then oil discharge screw is tightened, screen pack 11 reinstalls oil-feed screen pipe 12, oil-feed screen pipe 12 is reinstalled into screen pipe 1 with fuel-displaced screen pipe 13, the two ends of screen pipe 1 are connected with flowline 3 with oil inlet pipe 2 respectively, and the oil discharge screw of screwing on, completes the installation after cleaning; Reopen the first valve 8 and the second valve 9, transformer oil flows through filter, and filter restarts to filter.
Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.

Claims (10)

1. a transformer oil circulation purifier, is characterized in that: comprise screen pipe (1), oil inlet pipe (2) and flowline (3), described screen pipe (1) two ends removably connect with oil inlet pipe (2) and flowline (3) respectively; Oil inlet pipe (2) is provided with the first valve (8), and flowline (3) is provided with the second valve (9); Described screen pipe (1) one end is provided with the screen pack (11) of impurity screening, and screen pipe (1) other end is arranged with the first permanent magnet (51) and second permanent magnet (52) of absorption iron filings; Screen pipe (1) bottom is provided with jettison gear (7).
2. the clean cooling-cycle device of transformer oil according to claim 1, is characterized in that: described screen pack (11) is recessed to form to a fuel-displaced side recess that holds impurity.
3. transformer oil circulation purifier according to claim 1, is characterized in that: described the first permanent magnet (51) and described the second permanent magnet (52) are arc, and are sheathed on the periphery of described screen pipe (1).
4. the transformer oil circulation purifier of stating according to claim 3, is characterized in that: first permanent magnet (51) of described arc and the radian scope of described the second permanent magnet (52) are at 30 °-150 °.
5. transformer oil circulation purifier according to claim 1, it is characterized in that: described screen pipe (1) comprises and the oil-feed screen pipe (12) being connected with described oil inlet pipe (2) and the fuel-displaced screen pipe (13) being connected with described flowline (3) removably connects between described fuel-displaced screen pipe (13) and oil-feed screen pipe (12); It is upper that described screen pack (11) is located at oil-feed screen pipe (3), and described the first permanent magnet (51) and described the second permanent magnet (52) are located on fuel-displaced screen pipe (13).
6. transformer oil circulation purifier according to claim 5, is characterized in that: on described oil-feed screen pipe (12), with described fuel-displaced screen pipe (13) junction, along inwall one circle, be provided with cannelure, described screen pack (11) is located in this cannelure.
7. transformer oil circulation purifier according to claim 1, is characterized in that: also comprise liquid current relay (6).
8. transformer oil circulation purifier according to claim 1, it is characterized in that: described screen pipe (1) is provided with fuel-displaced sealing ring with described oil inlet pipe (2) junction, screen pipe (1) is provided with oil-feed sealing ring with described flowline (3) junction, between oil-feed screen pipe (12) and fuel-displaced screen pipe (13), is provided with intermediate seal circle (15).
9. transformer oil circulation purifier according to claim 1, it is characterized in that: described the first valve (8) is provided with the first sealing ring with described oil inlet pipe (2) junction, described the second valve (9) is provided with the second sealing ring with described flowline (3) junction.
10. transformer oil circulation purifier according to claim 1, is characterized in that: described jettison gear (7) is sealing bolt, and described the first valve (8) and the second valve (9) are butterfly valve.
CN201420138151.9U 2014-03-26 2014-03-26 Circulatory purifier for transformer oil Expired - Fee Related CN203839166U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420138151.9U CN203839166U (en) 2014-03-26 2014-03-26 Circulatory purifier for transformer oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420138151.9U CN203839166U (en) 2014-03-26 2014-03-26 Circulatory purifier for transformer oil

Publications (1)

Publication Number Publication Date
CN203839166U true CN203839166U (en) 2014-09-17

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Application Number Title Priority Date Filing Date
CN201420138151.9U Expired - Fee Related CN203839166U (en) 2014-03-26 2014-03-26 Circulatory purifier for transformer oil

Country Status (1)

Country Link
CN (1) CN203839166U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871715A (en) * 2014-03-26 2014-06-18 浙江江山特种变压器有限公司 Transformer oil circulation purifier
CN109036791A (en) * 2018-07-23 2018-12-18 常熟市常源变压器有限公司 A kind of oil-immersed transformer automatic shunt filtration system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871715A (en) * 2014-03-26 2014-06-18 浙江江山特种变压器有限公司 Transformer oil circulation purifier
CN103871715B (en) * 2014-03-26 2016-02-03 浙江宝威电气有限公司 transformer oil circulation purifier
CN109036791A (en) * 2018-07-23 2018-12-18 常熟市常源变压器有限公司 A kind of oil-immersed transformer automatic shunt filtration system

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: ZHEJIANG BOTHWELL ELECTRIC CO., LTD.

Free format text: FORMER NAME: ZHEJIANG JIANGSHAN SPECIAL TRANSFORMER CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 324104, Jiang He industrial corridor No. 137, Qing Lake junction, Jiangshan, Zhejiang, Quzhou

Patentee after: Zhejiang Proview Electric Applicance Co., Ltd

Address before: 324104, Jiang He industrial corridor No. 137, Qing Lake junction, Jiangshan, Zhejiang, Quzhou

Patentee before: Zhejiang Jiangshan Special Transformer Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140917

Termination date: 20190326

CF01 Termination of patent right due to non-payment of annual fee