CN204680519U - For the water-cooling system of oil-filled transformer - Google Patents
For the water-cooling system of oil-filled transformer Download PDFInfo
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- CN204680519U CN204680519U CN201520448778.9U CN201520448778U CN204680519U CN 204680519 U CN204680519 U CN 204680519U CN 201520448778 U CN201520448778 U CN 201520448778U CN 204680519 U CN204680519 U CN 204680519U
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Abstract
For the water-cooling system of oil-filled transformer, comprise water oil heat exchanger, water inlet pipe, outlet pipe and the oil inlet pipe be communicated with the fuel tank of transformer respectively and flowline, water oil heat exchanger comprises base plate, top board and multiple heat transferring plate, the four corners position of top board, base plate and heat transferring plate all offers through hole, each heat transferring plate is equipped with V-type projection, each heat transferring plate is mutually stacked to be placed between base plate and top board, between adjacent two heat transferring plates and through hole all by washer sealing to form the runner between plate; Water inlet pipe, outlet pipe, oil inlet pipe and flowline are communicated with four through holes that top board is arranged respectively, and water and oil are flowed in the respective runner in heat transferring plate both sides, and carry out heat exchange by heat transferring plate, water inlet pipe is provided with self force type temperature regulating valve.Transformer heat radiation of the present utility model adopts water-cooling system, controls by self force type temperature regulating valve the discharge entering water oil heat exchanger, thus the oil temperature in regulating oil tank.
Description
Technical field
The utility model relates to transformer technology field, is specifically related to a kind of water-cooling system for oil-filled transformer.
Background technology
Existing transforming plant main transformer cooling adopts the mode of oil mostly, enter hot summer, along with the arriving of hot weather and the increase of load, transformer temperature increases, record according in DL/T572-2010 " power transformer operating standard ": the requirement of " top-oil temperature of natural circulation cooling transformer generally should not often exceed 85 DEG C ", have to by drawing limited load to reduce transformer body temperature, and draw limited load to affect the actual use of load.
Utility model content
The purpose of this utility model is to provide a kind of water-cooling system for oil-filled transformer, by controlling the discharge of water cooling plant, reaches the object of the inner oil temperature of adjustment oil tank of transformer.
The technical scheme that the utility model is adopted for achieving the above object is: for the water-cooling system of oil-filled transformer, this water-cooling system is located at the low-pressure side of transformer, comprise water oil heat exchanger, water inlet pipe, outlet pipe and the oil inlet pipe be communicated with the fuel tank of transformer respectively and flowline, water oil heat exchanger comprises base plate, top board and multiple heat transferring plate, top board, the four corners position of base plate and heat transferring plate all offers through hole, each heat transferring plate is equipped with V-type projection, each heat transferring plate is mutually stacked to be placed between base plate and top board, between adjacent two heat transferring plates and through hole all by washer sealing to form the runner between plate, connected by fastening bolt between described base plate and top board, described water inlet pipe, outlet pipe, oil inlet pipe and flowline are communicated with four through holes that top board is arranged respectively, water and oil are flowed in the respective runner in heat transferring plate both sides, carries out heat exchange by heat transferring plate, oil inlet pipe and flowline are equipped with ball valve, and oil inlet pipe is provided with oil pump, water inlet pipe is provided with self force type temperature regulating valve.
Wherein, four through holes that top board is arranged are respectively equipped with two oil pipe adapters and two water pipe adapters, and two oil pipe adapters are communicated with flowline with oil inlet pipe respectively, and two water pipe adapters are communicated with outlet pipe with water inlet pipe respectively.
In the utility model, the bottom of fuel tank is provided with extension board, and described water oil heat exchanger is fixed on this extension board.
Further, the V-type on heat transferring plate adjacent between two in water oil heat exchanger is protruding is inverted mutually, is mutually inverted because V-type is protruding, makes fluid flowing in rotated three dimensional in adjacent two runners, produces turbulent flow, improve heat-transfer effect.
Water oil heat exchanger of the present utility model forms by multiple plate sealing is stacked, can increase as required or reduce No. of plates, can reach the object increasing or reduce heat exchange area.
Beneficial effect: transformer heat radiation of the present utility model adopts water-cooling circulating system, controls by self force type temperature regulating valve the discharge entering water oil heat exchanger in water inlet pipe, thus the oil temperature in regulating oil tank.Transducer meeting perception oil temperature in self force type temperature regulating valve, when oil temperature reaches uniform temperature, the valve open on self force type temperature regulating valve, cold water enters water oil heat exchanger by valve; Transformer oil after heating enters water oil heat exchanger by the ball valve on oil inlet pipe through oil pump; Deep fat and cold water carry out heat exchange by heat transferring plate, make oil temperature drop to uniform temperature, and the ball valve of transformer oil on flowline after cooling is sent to fuel tank again, and water flows out water oil heat exchanger by outlet pipe.Wherein, the V-type that the heat transferring plate that water oil heat exchanger adopts is arranged is protruding, can increase the disturbance to water and oily medium, make fluid media (medium) can reach turbulence state under the low speed, obtain higher heat-transfer effect.
Accompanying drawing explanation
Fig. 1 is oil-filled transformer overall schematic;
Fig. 2 is the enlarged diagram representing A in Fig. 1;
Fig. 3 is the schematic diagram of water oil heat exchanger;
Fig. 4 is the decomposition view of base plate, top board and heat transferring plate in water oil heat exchanger;
Fig. 5 is water-cooling system schematic diagram.
Reference numeral: 1, transformer, 2, fuel tank, 3, extension board, 4, water oil heat exchanger, 40, base plate, 41, top board, 42, heat transferring plate, 43, fastening bolt, 44, V-type is protruding, 5, water inlet pipe, 6, outlet pipe, 7, oil inlet pipe, 8, flowline, 9, through hole, 10, ball valve, 11, oil pump, 12, self force type temperature regulating valve, 13, oil pipe adapter, 14, water pipe adapter.
Embodiment
For the water-cooling system of oil-filled transformer, transformer 1 as shown in Figure 1, its both sides are provided with high-pressure side and low-pressure side, and this water-cooling system is located at the low-pressure side of transformer 1.Water-cooling system as shown in Figure 2, comprise water oil heat exchanger 4, water inlet pipe 5, outlet pipe 6, oil inlet pipe 7 and flowline 8, oil inlet pipe 7 and flowline 8 are all communicated with the fuel tank 2 of transformer 1, and the bottom of fuel tank 2 is provided with extension board 3, and described water oil heat exchanger 4 is fixed on this extension board 3.In addition, fuel tank 2 is equipped with oil level indicating gage and thermometer, is convenient to observe inner oil level and temperature.
As shown in Figure 3 and Figure 4, water oil heat exchanger 4 comprises base plate 40, top board 41 and multiple heat transferring plate 42, the four corners position of base plate 40, top board 41 and heat transferring plate 42 all offers through hole, each heat transferring plate 42 is equipped with V-type projection 44, each heat transferring plate 42 is mutually stacked to be placed between base plate 40 and top board 41, wherein, the V-type on adjacent between two heat transferring plate 42 is protruding is inverted mutually.Between adjacent two heat transferring plates 42 and through hole, all by washer sealing, is formed the runner between plate, is connected between described base plate 40 and top board 41 by fastening bolt 43; Described water inlet pipe 5, outlet pipe 6, oil inlet pipe 7 and flowline 8 are communicated with four through holes that top board 41 is arranged respectively, water and oil are flowed in the respective runner in heat transferring plate 42 both sides, carries out heat exchange by heat transferring plate 42; Oil inlet pipe 7 and flowline 8 are equipped with ball valve, and oil inlet pipe 7 is provided with oil pump 11, water inlet pipe 5 is provided with self force type temperature regulating valve 12.
As shown in Figure 2 and Figure 4, four through holes that top board 41 is arranged are respectively equipped with two oil pipe adapters 13 and two water pipe adapters 14, two oil pipe adapters 13 are communicated with flowline 8 with oil inlet pipe 7 respectively, and two water pipe adapters 14 are communicated with outlet pipe 6 with water inlet pipe 5 respectively.
As shown in Figure 5, the operation principle of this water-cooling system is: outside cold water enters into water oil heat exchanger 4 by self force type temperature regulating valve 12, transducer meeting perception oil temperature in self force type temperature regulating valve 12, when oil temperature reaches uniform temperature, valve open on self force type temperature regulating valve 12, cold water enters water oil heat exchanger 4 by valve, the deep fat brought into by oil pump 11 and cold water carry out heat exchange by heat transferring plate 42, make oil temperature drop to uniform temperature, the ball valve of transformer oil on flowline 8 after cooling is sent to fuel tank 2 again.Wherein, the V-type on heat transferring plate 42 protruding 44 is angled with the flow direction of liquid medium, when liquid passes through, causes fierce turbulent flow, thus improves heat-transfer effect.
As shown in Figure 4, aqueous medium flows between heat transferring plate from the through hole in top board 41 upper right corner, and flow out from the through hole in top board 41 lower right corner, in like manner, oily medium flows into from the through hole in top board 41 lower left corner, and flow out from the through hole in top board 41 upper left corner, four through holes are all sealed by packing ring, avoid aqueous medium and the mutual seepage of oily medium, under the sealing function of packing ring, make the just alternately flowing on the both sides of heat transferring plate of cold water and deep fat two media, carry out heat exchange.Owing to passing through in the gap of fluid media (medium) between heat transferring plate, the V-type projection 44 that heat transferring plate 42 is arranged makes fluid media (medium) constantly change flow direction, produce and rotate and reverse, form many fine eddy current, thus the particle of each several part in fluid media (medium) is constantly shifted rapidly, heat exchange is carried out rapidly.The utility model can change heat transferring plate 42 as required and arrange or change several heat transferring plates 42, can reach required path combination, adapt to new heat-exchanging state.
Claims (4)
1. for the water-cooling system of oil-filled transformer, it is characterized in that: this water-cooling system is located at the low-pressure side of transformer (1), comprise water oil heat exchanger (4), water inlet pipe (5), outlet pipe (6) and the oil inlet pipe (7) be communicated with the fuel tank (2) of transformer (1) respectively and flowline (8), water oil heat exchanger (4) comprises base plate (40), top board (41) and multiple heat transferring plate (42), base plate (40), the four corners position of top board (41) and heat transferring plate (42) all offers through hole, each heat transferring plate (42) is equipped with V-type projection (44), each heat transferring plate (42) is mutually stacked to be placed between base plate (40) and top board (41), between adjacent two heat transferring plates (42) and through hole all by washer sealing to form the runner between plate, connected by fastening bolt (43) between described base plate (40) and top board (41), described water inlet pipe (5), outlet pipe (6), oil inlet pipe (7) and flowline (8) respectively four through holes arranging upper with top board (41) are communicated with, water and oil are flowed in the runner separately of heat transferring plate (42) both sides, carries out heat exchange by heat transferring plate (42), oil inlet pipe (7) and flowline (8) are equipped with ball valve, and oil inlet pipe (7) is provided with oil pump (11), water inlet pipe (5) is provided with self force type temperature regulating valve (12).
2. the water-cooling system for oil-filled transformer according to claim 1, it is characterized in that: upper four through holes arranged of top board (41) are respectively equipped with two oil pipe adapters (13) and two water pipe adapters (14), two oil pipe adapters (13) are communicated with flowline (8) with oil inlet pipe (7) respectively, and two water pipe adapters (14) are communicated with outlet pipe (6) with water inlet pipe (5) respectively.
3. the water-cooling system for oil-filled transformer according to claim 1, is characterized in that: the bottom of fuel tank (2) is provided with extension board (3), and described water oil heat exchanger (4) is fixed on this extension board (3).
4. the water-cooling system for oil-filled transformer according to claim 1, is characterized in that: the V-type on heat transferring plate (42) adjacent between two in water oil heat exchanger (4) is protruding is inverted mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448778.9U CN204680519U (en) | 2015-06-29 | 2015-06-29 | For the water-cooling system of oil-filled transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520448778.9U CN204680519U (en) | 2015-06-29 | 2015-06-29 | For the water-cooling system of oil-filled transformer |
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| Publication Number | Publication Date |
|---|---|
| CN204680519U true CN204680519U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520448778.9U Active CN204680519U (en) | 2015-06-29 | 2015-06-29 | For the water-cooling system of oil-filled transformer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826041A (en) * | 2016-05-17 | 2016-08-03 | 许昌许继配电股份有限公司 | Combined oil immersed transformer of shield tunneling machine |
| CN107919613A (en) * | 2017-11-30 | 2018-04-17 | 顺特电气设备有限公司 | A kind of potential device being built in blower fan tower barrel and its cooling means |
| CN110379595A (en) * | 2019-07-04 | 2019-10-25 | 明珠电气股份有限公司 | A kind of Oversea wind power generation oil-immersed transformer and its installation method |
| CN113690023A (en) * | 2021-09-06 | 2021-11-23 | 浙江尔格科技股份有限公司 | Intelligent temperature regulating system and method for transformer oil |
-
2015
- 2015-06-29 CN CN201520448778.9U patent/CN204680519U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826041A (en) * | 2016-05-17 | 2016-08-03 | 许昌许继配电股份有限公司 | Combined oil immersed transformer of shield tunneling machine |
| CN105826041B (en) * | 2016-05-17 | 2018-06-19 | 许昌许继配电股份有限公司 | Shield machine combined type oil-immersed type transformer |
| CN107919613A (en) * | 2017-11-30 | 2018-04-17 | 顺特电气设备有限公司 | A kind of potential device being built in blower fan tower barrel and its cooling means |
| CN110379595A (en) * | 2019-07-04 | 2019-10-25 | 明珠电气股份有限公司 | A kind of Oversea wind power generation oil-immersed transformer and its installation method |
| CN110379595B (en) * | 2019-07-04 | 2024-04-12 | 明珠电气股份有限公司 | Oil immersed transformer for offshore wind power generation and installation method thereof |
| CN113690023A (en) * | 2021-09-06 | 2021-11-23 | 浙江尔格科技股份有限公司 | Intelligent temperature regulating system and method for transformer oil |
| CN113690023B (en) * | 2021-09-06 | 2023-09-01 | 浙江尔格科技股份有限公司 | Intelligent transformer oil temperature regulating system and intelligent transformer oil temperature regulating method |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 461000 Xuchang economic and Technological Development Zone, Henan, Xuchang Patentee after: Xuchang Xuji Power Distribution Co., Ltd. Address before: 461000 Xuchang economic and Technological Development Zone, Henan, Xuchang Patentee before: XUCHANG XUJI DISTRIBUTION CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 461000 Xuchang economic and Technological Development Zone, Henan, Xuchang Patentee after: Xuchang yushengchang Electric Co.,Ltd. Address before: 461000 Xuchang economic and Technological Development Zone, Henan, Xuchang Patentee before: XUCHANG XUJI DISTRIBUTION Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |