CN203839165U - Heat exchanger with oil purifier for transformer - Google Patents

Heat exchanger with oil purifier for transformer Download PDF

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Publication number
CN203839165U
CN203839165U CN201420138044.6U CN201420138044U CN203839165U CN 203839165 U CN203839165 U CN 203839165U CN 201420138044 U CN201420138044 U CN 201420138044U CN 203839165 U CN203839165 U CN 203839165U
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CN
China
Prior art keywords
oil
pipe
transformer
screen pipe
filter
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.)
Withdrawn - After Issue
Application number
CN201420138044.6U
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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 CN201420138044.6U priority Critical patent/CN203839165U/en
Application granted granted Critical
Publication of CN203839165U publication Critical patent/CN203839165U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a heat exchanger with an oil purifier for a transformer. The heat exchanger comprises a temperature reduction box and spiral temperature reduction pipes arranged in the temperature reduction box, wherein the temperature reduction pipes comprise a first oil inlet pipe and a first oil outlet pipe which are both connected with a transformer oil tank; a filter is arranged on the first oil inlet pipe and/or the first oil outlet pipe and comprises a connecting pipe; a valve is arranged at each of the two ends of the connecting pipe; a detachable filter pipe is arranged between the two valves and comprises an incoming oil filter pipe and an outgoing oil filter pipe which are detachably connected with each other; a filter screen for filtering impurities is arranged on the incoming oil filter pipe and concaves to the oil outlet side to form a recess for accommodating the impurities; a first permanent magnet and a second permanent magnet which are used for adsorbing scrap iron are arranged on the outgoing oil filter pipe; an oil drainage device is arranged at the bottom of the filter pipe. The heat exchanger has a good temperature reduction effect, can filter transformer oil, protects a transformer, allows the filter pipe to be detached for cleaning when the transformer oil tank is in use and ensures that the channel is not blocked.

Description

Install the transformer heat exchanger of oil cleaner additional
Technical field
The utility model relates to field transformer, especially relates to a kind of transformer heat exchanger that installs oil cleaner additional.
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 by transformer oil, absorbs the heat that transformer discharges, 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 be by polylith iron plate through polishing, knock, the mode such as welding combines, 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, the wiping that then uses cloth to wipe with, cannot remove the impurity such as iron filings clean.
Existing transformer oil circulation heat radiator can only play thermolysis to transformer oil, cannot remove the impurity of transformer oil in having, 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, removes very difficult.
Utility model content
The utility model is in order to overcome the deficiencies in the prior art, and providing a kind of can lower the temperature and the transformer heat exchanger that installs oil cleaner additional of removal of impurities to transformer oil.
To achieve these goals, the utility model is by the following technical solutions: a kind of transformer heat exchanger that installs oil cleaner additional, in comprising, establish the cooling box and the cooling pipe of being located at cooling box spiral of coolant, described cooling box comprises cooling medium import and cooling media outlet; Cooling pipe comprises the first oil inlet pipe and the first flowline being connected with oil tank of transformer, described the first oil inlet pipe and/or the first flowline are provided with filter, filter comprises tube connector, the two ends of tube connector are provided with the first valve and the second valve, between this first valve and the second valve, are provided with removable filter pipe; Screen pipe comprises oil-feed screen pipe and fuel-displaced screen pipe, between fuel-displaced screen pipe and oil-feed screen pipe, removably connects; Oil-feed screen pipe is provided with the screen pack of impurity screening, and screen pack is recessed to form to a fuel-displaced side recess that holds impurity, and described fuel-displaced screen pipe is provided with the first permanent magnet and second permanent magnet of absorption iron filings; Screen pipe bottom is provided with jettison gear.
As preferably, described oil-feed screen pipe is positioned at described screen pack oil-feed one side and forms and hold the holding tank that exceeds the outer impurity of screen pack.
As preferably, described the first permanent magnet and described the second permanent magnet are arc, and are sheathed on the periphery of described 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 control cabinet, liquid current relay, oil pump and Pressure gauge, described control cabinet is electrically connected to liquid current relay, Pressure gauge and oil pump.
As preferably, the first oil inlet pipe is provided with a plurality of oil-ins.
As preferably, described jettison gear is sealing bolt, and described the first valve and the second valve are butterfly valve.
Operation principle: described in install oil cleaner additional transformer with heat exchanger the circulation cooling for transformer oil, the cooling-down effect that cooling box has improved transformer oil is set, on it, be provided with filter, can also remove the impurity such as iron filings in transformer oil, described filter is provided with screen pack and permanent magnet two-filtration devices, 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, while oil tank of transformer in use also can be pulled down screen pipe and clear up, guarantee not blocking channel.
In sum; the utlity model has following advantage: the good cooling effect to transformer oil not only, can also 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 Figure 1A-A face structural representation.
Fig. 3 is filter screen structure schematic diagram of the present utility model.
Fig. 4 is brace rod structural representation 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 1-4, install a transformer heat exchanger for oil cleaner additional, comprise the cooling box 1 being connected with oil tank of transformer, cooling medium is housed in cooling box 1, cooling pipe is immersed in cooling medium, and described cooling box 1 comprises cooling medium import 11 and cooling media outlet 12; Selected cooling medium is water, and in other embodiments, and cooling medium can be the material that liquid nitrogen etc. has cooling-down effect; Described cooling pipe is helical structure, and by cooling box 1 bottom to cooling box roof spiral, this arranges and has increased the contact area of transformer oil with cooling medium, cooling-down effect is better, described cooling pipe comprises the first oil inlet pipe 8 and the first flowline 9, and this first oil inlet pipe 8 is all connected with oil tank of transformer with the first flowline 9, in order to make the oil circulation in oil tank of transformer more abundant, more comprehensively, described the first oil inlet pipe 8 is provided with a plurality of oil-ins in cooling.
Described the first flowline 9 is provided with filter, and certainly, filter also can be only located at the first oil inlet pipe 8 or on the first oil inlet pipe 8 and the first flowline 9, filter be all set.Concrete, described filter comprises tube connector, and this tube connector comprises the second oil inlet pipe 4, the second flowline and screen pipe 3, and described screen pipe 3 two ends removably connect with the second oil inlet pipe 4 and the second flowline respectively; Described screen pipe 3 comprises oil-feed screen pipe 32 and fuel-displaced screen pipe 33, described oil-feed screen pipe 32 and the second oil inlet pipe 4 removably connect, described fuel-displaced screen pipe 33 removably connects with described the second flowline, between described fuel-displaced screen pipe 33 and oil-feed screen pipe 32, removably connect, screen pipe is arranged to Split type structure, conveniently screen pipe is cleared up, and cleaning is more thorough; Described oil-feed screen pipe 32 and the second oil inlet pipe 4 junctions are provided with oil-feed sealing ring, fuel-displaced screen pipe 33 and the second flowline junction are provided with fuel-displaced sealing ring, between fuel-displaced screen pipe 33 and oil-feed screen pipe 32, be provided with intermediate seal circle, above-mentioned sealing ring is set, strengthened sealing effectiveness; Described the second oil inlet pipe 4 is provided with the first valve, and the second flowline is provided with the second valve; Described the first valve and the second oil inlet pipe 4 junctions are provided with the first sealing ring, the second valve and the second flowline junction are provided with the second sealing ring, the first valve and the second valve are butterfly valve, certainly can also be break valve, gate valve etc., convenience valve is set and controls the opening and closing of pipeline, sealing ring is set and has strengthened the sealing effectiveness between valve and oil inlet pipe and flowline.
Concrete, the flange that is connected to of described the second oil inlet pipe 4 and oil-feed screen pipe 32 is connected, and the second flowline is connected with the flange that is connected to of fuel-displaced screen pipe 33, and oil-feed screen pipe 32 is connected also for flange connects with fuel-displaced screen pipe 33; And the connected mode of the first valve and the second oil inlet pipe 4 and the second valve are with the connected mode of the second flowline also for flange is connected, and this connected mode is installed firmly, convenient disassembly.
Further, described oil-feed screen pipe 32 is provided with the screen pack 31 of impurity screening, and this screen pack can filter out the impurity such as iron filings that volume is larger, concrete, described screen pack 31 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 31 is pyramidal structure, screen pack 31 comprises tip and openend, openend is oil inlet end, openend is fixed by installing ring 311 and screen pipe, on installing ring 311, be provided with vertically brace rod 312, 312 pairs of screen packs of this brace rod work the effect of making, avoid 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, can, by installing ring 311 and the integrally welded structure of oil-feed screen pipe 32, realize fixing screen pack, and in the present embodiment, on described oil-feed screen pipe 32, with fuel-displaced screen pipe 33 junctions, along inwall one circle, be provided with cannelure, and described installing ring 311 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 31 at described oil-feed screen pipe 32 forms holding tank 34, and this holding tank, for holding the impurity that exceeds screen pack, further avoids impurity too much to stop up screen pipe, screen pipe 1 bottom is provided with jettison gear 7, concrete, jettison gear 7 is located at the bottom of holding tank 34, 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, on described fuel-displaced screen pipe 33, being arranged with the permanent magnet 6 that adsorbs iron filings, this permanent magnet 6 comprises the first permanent magnet 61 and the second permanent magnet 62; 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 fuel-displaced screen pipe 33 inwalls, on fuel-displaced screen pipe 33 inwalls, two holddown grooves are set, then the first permanent magnet 61 and the second permanent magnet 62 are arranged on respectively in two holddown grooves, this arranges and can prevent that permanent magnet 6 from moving with transformer oil; And in the present embodiment, described the first permanent magnet 61 and the second permanent magnet 62 are all made as to arc, and be sheathed on the periphery of described fuel-displaced screen pipe 33, 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 the mode that permanent magnet is installed to be more prone to, convenient production, and do not affect the circulation of transformer in pipeline.Further, the first permanent magnet 61 of described arc and the radian of the second permanent magnet 62 are all made as 60 °; Certainly, the radian of the first permanent magnet 61 and the second permanent magnet 62 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.
For the convenient supervision to transformer oil in heat abstractor, be also provided with control cabinet 5 and be located at liquid current relay 2, oil pump 81 and the Pressure gauge 82 on the first oil inlet pipe 8, described oil pump 81 is a plurality of; The flow velocity of transformer oil in the temperature of described liquid current relay 2 energy measuring transformer oil and pipeline, and the data of display measurement, convenient observation, thereby impurity level in prediction screen pipe, determine again whether screen pipe is cleaned, also there is temperature feedback function, use convenient simultaneously; Oil pressure in the interior display pipes of Pressure gauge 82, oil pump 81 is for accelerating the forced circulation of transformer oil, and then the radiating rate of quickening transformer oil, and described control cabinet 5 is electrically connected to liquid current relay 2, Pressure gauge 82, oil pump 81; When liquid current relay 2 detects transformer temperature when too high, high temperature signal can be sent to control cabinet 5, control cabinet 5 receives after signal, control cabinet 5 control oil pumps 81 are opened, start forced circulation heat radiation, strengthen the radiating effect of transformer oil, can fast cooling avoid transformer to burn out because of excess Temperature; When liquid current relay 2 detects transformer temperature when too low, low-temperature signal can be sent to control cabinet 5, control cabinet 5 receives after signal, control cabinet 5 control oil pumps 81 are closed, heat radiation circulation recovers normal, has shortened the operating time of oil pump simultaneously, thereby has saved electric energy.
The described transformer that installs oil cleaner additional is the circulation cooling for transformer oil with heat exchanger, on it, be provided with filter, can also remove the impurity such as iron filings in transformer oil, described filter is provided with screen pack and permanent magnet two-filtration devices, screen pack is set, 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.
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 cooling pipe from the first flowline 8, in cooling box 1, dispel the heat, the transformer oil after heat radiation drives impurity to enter the first oil inlet pipe 2 that filter is housed; The impurity that volume is larger is filtered net 31 stop after, be deposited in holding tank 34, the iron filings of small volume pass screen pack 31 with transformer oil, arrive the fuel-displaced one end of screen pipe 3, by the first permanent magnet 61 and the second permanent magnet 62, adsorbed, the transformer oil after filter filters is got back in oil tank of transformer; Observe the flow velocity of the transformer oil of liquid current relay 2 demonstrations simultaneously, when transformer flow velocity is too low, need clear up filter.And when filter is only located at the first oil inlet pipe 8 or is all located on the first oil inlet pipe 8 and the first flowline, similar when its filter process is only located on the first flowline to above-mentioned filter.
Scale removal process: first close the first valve and the second valve, end flowing of the interior transformer oil of pipeline, then the oil discharge screw of back-outing, the transformer oil in screen pipe 3 is emitted, turn on again screen pipe 3 two ends and the second oil inlet pipe 4 and the sealing bolt that the second flowline is connected, unload screen pipe 3; Take off permanent magnet 6, iron filings are cleaned out, then screen pipe 3 is split into oil-feed screen pipe 32 and fuel-displaced screen pipe 33, take off screen pack 31, thoroughly clean; After having cleared up, then oil discharge screw is tightened, screen pack 31 reinstalls oil-feed screen pipe 32, oil-feed screen pipe 32 is reinstalled into screen pipe 3 with fuel-displaced screen pipe 33, the two ends of screen pipe 3 are connected with the second flowline with the second oil inlet pipe 4 respectively, and the oil discharge screw of screwing on, completes the installation after cleaning; Reopen the first valve and the second valve, 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 (7)

1. install a transformer heat exchanger for oil cleaner additional, establish the cooling box (1) of coolant and be located at the cooling pipe of cooling box (1) spiral in comprising, described cooling box (1) comprises cooling medium import (11) and the media outlet (12) of lowering the temperature; Cooling pipe comprises the first oil inlet pipe (8) and the first flowline (9) being connected with oil tank of transformer, it is characterized in that: described the first oil inlet pipe (8) and/or the first flowline (9) are provided with filter, filter comprises tube connector, the two ends of tube connector are provided with the first valve and the second valve, are provided with removable filter pipe (3) between this first valve and the second valve; Screen pipe (3) comprises oil-feed screen pipe (32) and fuel-displaced screen pipe (33), between fuel-displaced screen pipe (33) and oil-feed screen pipe (32), removably connects; Oil-feed screen pipe (32) is provided with the screen pack (31) of impurity screening, and screen pack (31) is recessed to form to a fuel-displaced side recess that holds impurity, and described fuel-displaced screen pipe is provided with the first permanent magnet (61) and second permanent magnet (62) of absorption iron filings; Screen pipe (1) bottom is provided with jettison gear (7).
2. the transformer heat exchanger that installs oil cleaner additional according to claim 1, is characterized in that: described oil-feed screen pipe (32) is positioned at described screen pack (31) oil-feed one side formation and holds the holding tank (34) that exceeds the outer impurity of screen pack.
3. the transformer heat exchanger that installs oil cleaner additional according to claim 1, is characterized in that: described the first permanent magnet (61) and described the second permanent magnet (62) are arc, and is sheathed on the periphery of described fuel-displaced screen pipe (33).
4. the transformer heat exchanger that installs oil cleaner additional according to claim 1, it is characterized in that: on described oil-feed screen pipe (32) and described fuel-displaced screen pipe (33) junction, along inwall one circle, be provided with cannelure, described screen pack (31) is located in this cannelure.
5. the transformer heat exchanger that installs oil cleaner additional according to claim 1, it is characterized in that: also comprise control cabinet (5), liquid current relay (2), oil pump (81) and Pressure gauge (82), described control cabinet (5) is electrically connected to liquid current relay (2), Pressure gauge (82) and oil pump (81).
6. the transformer heat exchanger that installs oil cleaner additional according to claim 1, is characterized in that: the first oil inlet pipe (8) is provided with a plurality of oil-ins.
7. the transformer heat exchanger that installs oil cleaner additional according to claim 1, is characterized in that: described jettison gear (7) is sealing bolt, and described the first valve and the second valve are butterfly valve.
CN201420138044.6U 2014-03-26 2014-03-26 Heat exchanger with oil purifier for transformer Withdrawn - After Issue CN203839165U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420138044.6U CN203839165U (en) 2014-03-26 2014-03-26 Heat exchanger with oil purifier for transformer

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Application Number Priority Date Filing Date Title
CN201420138044.6U CN203839165U (en) 2014-03-26 2014-03-26 Heat exchanger with oil purifier for transformer

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Publication Number Publication Date
CN203839165U true CN203839165U (en) 2014-09-17

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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103985511A (en) * 2014-03-26 2014-08-13 浙江江山特种变压器有限公司 Heat exchanger for transformer additionally provided with oil purifier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103985511A (en) * 2014-03-26 2014-08-13 浙江江山特种变压器有限公司 Heat exchanger for transformer additionally provided with oil purifier
CN103985511B (en) * 2014-03-26 2016-01-13 浙江宝威电气有限公司 Install the transformer heat exchanger of oil cleaner additional

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
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.

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.

AV01 Patent right actively abandoned

Granted publication date: 20140917

Effective date of abandoning: 20160113

C25 Abandonment of patent right or utility model to avoid double patenting