CN105355383A - 10kV oil-immersed transformer water cooling device - Google Patents
10kV oil-immersed transformer water cooling device Download PDFInfo
- Publication number
- CN105355383A CN105355383A CN201510938282.4A CN201510938282A CN105355383A CN 105355383 A CN105355383 A CN 105355383A CN 201510938282 A CN201510938282 A CN 201510938282A CN 105355383 A CN105355383 A CN 105355383A
- Authority
- CN
- China
- Prior art keywords
- oil
- fuel tank
- steel pipe
- water cooling
- case lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- H01F27/16—Water cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/10—Sealing by using sealing rings or sleeves only
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Closures For Containers (AREA)
Abstract
The invention discloses a 10kV oil-immersed transformer water cooling device. The 10kV oil-immersed transformer water cooling device comprises a transformer open oil tank and an oil tank cover for closing the transformer open oil tank, wherein a water cooling device for cooling the 10kV oil-immersed transformer is installed on the bottom of the oil tank cover; two end parts of a rectangular seamless stainless steel pipe formed in a bending manner of the water cooling device respectively penetrate through the top surface of the oil tank cover and are fixed on the oil tank cover by virtue of a sealing device. By adopting the 10kV oil-immersed transformer water cooling device, the temperature rising requirement of the 10kV oil-immersed transformer is met, compared with the existing 10kV oil-immersed transformer, consumption of production materials such as iron cores, wire stock, transformer oil and the like is reduced, and the idle loss of the 10kV oil-immersed transformer is also prevented; the leakage of oil in the transformer and cooling water in the rectangular seamless stainless steel pipe of the 10kV oil-immersed transformer oil tank is also prevented.
Description
Technical field
The invention belongs to a kind of 10kV oil-filled transformer cooling device, particularly belong to a kind of 10kV oil-filled transformer water cooling plant.
Background technology
At present, standard GB/T 1094 requires: 10kV oil-filled transformer structure is that transformer body and inner lead soak in transformer oil, and transformer oil plays the effect of insulation, arc extinguishing, heat radiation.General producer is in the design by strengthening the mode such as the heat radiation oil duct of coil, the cross-sectional area of increase electromagnetic wire with the requirement of satisfied reduction transformer temperature rise, the increasing of the heat radiation oil duct of coil, namely the increase of the cross-sectional area of electromagnetic wire adds iron core weight, the electromagnetic wire weight of 10kV oil-filled transformer, waste iron core, wire rod, transformer wet goods making material, improve the cost of manufacture of 10kV oil-filled transformer, also add the no-load loss of 10kV oil-filled transformer.How to make a kind of requirement that can meet the temperature rise of reduction 10kV oil-filled transformer, also need not increase the iron core weight of 10kV oil-filled transformer, electromagnetic wire weight to reduce the consumption of iron core, wire rod, transformer wet goods making material, can also prevent the 10KV oil-filled transformer water cooling plant of no-load loss from being the problem needing to solve.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of 10kV oil-filled transformer water cooling plant.Use this oil-filled transformer water cooling plant can not only meet the requirement reducing the temperature rise of 10kV oil-filled transformer, and iron core weight, the electromagnetic wire weight of 10kV oil-filled transformer can also be increased, the consumption of iron core, wire rod, transformer wet goods making material can be reduced, the no-load loss of 10kV oil-filled transformer can also be prevented.
The technical scheme that the present invention solves the problems of the technologies described above is: a kind of 10kV oil-filled transformer water cooling plant, comprise the fuel tank case lid of the uncovered fuel tank of transformer and the uncovered fuel tank of capping transformer, it is characterized in that: the water cooling plant reducing this 10kV oil-filled transformer temperature rise is equipped with in the bottom surface of described fuel tank case lid, the water cooling plant of this 10kV oil-filled transformer temperature rise of described reduction comprises at least 4 pieces of L shape fixed heads, the seamless stainless-steel pipe of bending coiling, this L shape fixed head has longer part and shorter part, the seamless stainless-steel pipe of this bending coiling has the planar section of a rectangular shape and two end sections of this planar section vertical, described at least 4 pieces of rectangular shapes of L shape fixed head are fixed on the bottom surface of this fuel tank case lid successively, the shorter part of this L shape fixed head parallels with the bottom surface of described fuel tank case lid, the planar section of the rectangular shape of seamless stainless-steel pipe of described bending coiling is arranged in the shorter part of at least 4 pieces of L shape fixed heads successively, two end sections of the seamless stainless-steel pipe of the bending coiling of described rectangular shape are each passed through this fuel tank hd top face and use sealing device to be fixedly mounted on fuel tank and cover, the sealing device of two end sections of the seamless stainless-steel pipe of described fuel tank case lid and rectangular shape bending coiling comprises sealing flange, O-ring seal, sealing nut, glue pearl, hexagon socket head cap screw, sealing compression plate, the seamless stainless-steel pipe end sections that described sealing flange cover is filled with rectangular shape bending coiling is through this fuel tank hd top face and be fixedly mounted on fuel tank and cover, sealing ring flange is provided with O-ring seal through the inner surface of described fuel tank hd top face portions end and the outer surface of the seamless stainless-steel pipe end sections of rectangular shape bending coiling, sealing ring flange is also installed with sealing nut through in described fuel tank hd top face part, sealing ring flange is provided with glue pearl between the terminal interior surface of fuel tank case lid bottom surface lower part and the outer surface of the seamless stainless-steel pipe end sections of rectangular shape bending coiling, and described sealing compression plate uses hexagon socket head cap screw to be fixedly mounted on the bottom that sealing ring flange is positioned at fuel tank case lid bottom surface lower part,
The seamless stainless-steel pipe of described bending coiling is long is 5-6 rice, diameter is 15-20 ㎜;
The outer surface of the inner surface of described sealing flange and the seamless stainless-steel pipe end sections of rectangular shape bending coiling is interference fit;
Described sealing flange is welded and fixed this fuel tank and covers, and adopts single or double full weld;
The water cooling plant of this 10kV oil-filled transformer temperature rise of described reduction comprises 4 pieces of L shape fixed heads, and these 4 pieces of rectangular shapes of L shape fixed head are fixed on the bottom surface of this fuel tank case lid successively.
The invention has the beneficial effects as follows: owing to have installed the water cooling plant reducing this 10kV oil-filled transformer temperature rise in the bottom surface of fuel tank case lid of the present invention, and two end sections reducing the seamless stainless-steel pipe of the bending coiling of the rectangular shape of the water cooling plant of this 10kV oil-filled transformer temperature rise are each passed through this fuel tank case lid and use sealing device to be fixedly mounted on fuel tank and cover.In 10kV oil tank for oil immersion type transformer during transformer oil 60 DEG C of temperature, long 5-6 rice, diameter are the water-cooled seamless stainless-steel pipe radiating tube heat can taking away 1000W per hour of 15-20 ㎜, meet the requirement reducing the temperature rise of 10kV oil-filled transformer, reduce iron core, wire rod, transformer wet goods making material consumption relative to existing 10kV oil-filled transformer, prevent the no-load loss of 10kV oil-filled transformer; Have employed the Dual-sealing structure of O-ring seal and glue pearl between two end sections of the simultaneously seamless stainless-steel pipe of the bending coiling of 10kV oil immersed transformer fuel tank cover and rectangular shape, prevent leaking outside of the cooling water of the seamless stainless-steel pipe of the bending coiling of the transformer oil of 10kV oil tank for oil immersion type transformer and rectangular shape.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described;
Fig. 1 is vertical view of the present invention;
Fig. 2 is the seamless stainless-steel pipe stereogram of bending coiling of the present invention;
Fig. 3 is front view of the present invention;
Fig. 4 is the schematic diagram of sealing device of two end sections of the seamless stainless-steel pipe of fuel tank case lid of the present invention and rectangular shape bending coiling;
In accompanying drawing: 1. the uncovered fuel tank of transformer, 2. fuel tank case lid, 3.L shape fixed head, the seamless stainless-steel pipe of 4. bending coiling, 5. sealing flange, 6. O-ring seal, 7. sealing nut, 8. glue pearl, 9. hexagon socket head cap screw, 10. sealing compression plate.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of 10kV oil-filled transformer water cooling plant, comprise the fuel tank case lid 2 of the uncovered fuel tank of transformer 1 and the uncovered fuel tank 1 of capping transformer, it is characterized in that: the water cooling plant reducing this 10kV oil-filled transformer temperature rise is equipped with in the bottom surface of described fuel tank case lid 2, the water cooling plant of this 10kV oil-filled transformer temperature rise of described reduction comprises 4 pieces of L shape fixed heads 3, the seamless stainless-steel pipe 4 of bending coiling, this L shape fixed head 3 has longer part and shorter part, the seamless stainless-steel pipe 4 of this bending coiling has the planar section of a rectangular shape and two end sections of this planar section vertical, described 4 pieces of rectangular shapes of L shape fixed head 3 are fixed on the bottom surface of this fuel tank case lid 2 successively, the shorter part of this L shape fixed head 3 parallels with the bottom surface of described fuel tank case lid 2, the planar section of the rectangular shape of seamless stainless-steel pipe 4 of described bending coiling is arranged in the shorter part of 4 pieces of L shape fixed heads 3 successively, two end sections of the seamless stainless-steel pipe of the bending coiling of described rectangular shape are each passed through this fuel tank case lid 2 end face and use sealing device to be fixedly mounted on fuel tank case lid 2, described fuel tank case lid 2 comprises sealing flange 5 with the sealing device of two end sections of the seamless stainless-steel pipe of rectangular shape bending coiling, O-ring seal 6, sealing nut 7, glue pearl 8, hexagon socket head cap screw 9, sealing compression plate 10, the seamless stainless-steel pipe end sections that described sealing flange 5 cover is filled with rectangular shape bending coiling passes this fuel tank case lid 2 end face and is fixedly mounted on fuel tank case lid 2, sealing ring flange 5 is provided with O-ring seal 6 through the inner surface of described fuel tank case lid 2 summit portion end and the outer surface of the seamless stainless-steel pipe end sections of rectangular shape bending coiling, sealing ring flange 5 is also installed with sealing nut 7 through on described fuel tank case lid 2 summit portion, sealing ring flange 5 is provided with glue pearl 8 between the terminal interior surface of fuel tank case lid 2 bottom surface lower part and the outer surface of the seamless stainless-steel pipe end sections of rectangular shape bending coiling, described sealing compression plate 10 use hexagon socket head cap screw 9 to be fixedly mounted on bottom that sealing ring flange 5 is positioned at fuel tank case lid 2 bottom surface lower part,
Seamless stainless-steel pipe 4 length of described bending coiling is 5 meters, diameter is 20 ㎜;
The outer surface of the inner surface of described sealing flange 5 and the seamless stainless-steel pipe end sections of rectangular shape bending coiling is interference fit.
Embodiment 2
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of 10kV oil-filled transformer water cooling plant, comprise the fuel tank case lid 2 of the uncovered fuel tank of transformer 1 and the uncovered fuel tank 1 of capping transformer, it is characterized in that: the water cooling plant reducing this 10kV oil-filled transformer temperature rise is equipped with in the bottom surface of described fuel tank case lid 2, the water cooling plant of this 10kV oil-filled transformer temperature rise of described reduction comprises 6 pieces of L shape fixed heads 3, the seamless stainless-steel pipe 4 of bending coiling, this L shape fixed head 3 has longer part and shorter part, the seamless stainless-steel pipe 4 of this bending coiling has the planar section of a rectangular shape and two end sections of this planar section vertical, described 6 pieces of rectangular shapes of L shape fixed head 3 are fixed on the bottom surface of this fuel tank case lid 2 successively, the shorter part of this L shape fixed head 3 parallels with the bottom surface of described fuel tank case lid 2, the planar section of the rectangular shape of seamless stainless-steel pipe 4 of described bending coiling is arranged in the shorter part of 6 pieces of L shape fixed heads 3 successively, two end sections of the seamless stainless-steel pipe of the bending coiling of described rectangular shape are each passed through this fuel tank case lid 2 end face and use sealing device to be fixedly mounted on fuel tank case lid 2, described fuel tank case lid 2 comprises sealing flange 5 with the sealing device of two end sections of the seamless stainless-steel pipe of rectangular shape bending coiling, O-ring seal 6, sealing nut 7, glue pearl 8, hexagon socket head cap screw 9, sealing compression plate 10, the seamless stainless-steel pipe end sections that described sealing flange 5 cover is filled with rectangular shape bending coiling passes this fuel tank case lid 2 end face and is fixedly mounted on fuel tank case lid 2, sealing ring flange 5 is provided with O-ring seal 6 through the inner surface of described fuel tank case lid 2 summit portion end and the outer surface of the seamless stainless-steel pipe end sections of rectangular shape bending coiling, sealing ring flange 5 is also installed with sealing nut 7 through on described fuel tank case lid 2 summit portion, sealing ring flange 5 is provided with glue pearl 8 between the terminal interior surface of fuel tank case lid 2 bottom surface lower part and the outer surface of the seamless stainless-steel pipe end sections of rectangular shape bending coiling, described sealing compression plate 10 use hexagon socket head cap screw 9 to be fixedly mounted on bottom that sealing ring flange 5 is positioned at fuel tank case lid 2 bottom surface lower part,
Seamless stainless-steel pipe 4 length of described bending coiling is 6 meters, diameter is 15 ㎜;
The outer surface of the inner surface of described sealing flange 5 and the seamless stainless-steel pipe end sections of rectangular shape bending coiling is interference fit;
Described sealing flange 5 is welded and fixed on this fuel tank case lid 2, adopts single or double full weld.
By above-mentioned description, those skilled in the art in the scope not departing from this invention technological thought, can carry out various change and revise within protection scope of the present invention completely.Unaccomplished matter of the present invention, belongs to the common practise of those skilled in the art.
Claims (5)
1. a 10kV oil-filled transformer water cooling plant, comprises the fuel tank case lid of the uncovered fuel tank of transformer and the uncovered fuel tank of capping transformer, it is characterized in that: the water cooling plant reducing this 10kV oil-filled transformer temperature rise is equipped with in the bottom surface of described fuel tank case lid, the water cooling plant of this 10kV oil-filled transformer temperature rise of described reduction comprises at least 4 pieces of L shape fixed heads, the seamless stainless-steel pipe of bending coiling, this L shape fixed head has longer part and shorter part, the seamless stainless-steel pipe of this bending coiling has the planar section of a rectangular shape and two end sections of this planar section vertical, described at least 4 pieces of rectangular shapes of L shape fixed head are fixed on the bottom surface of this fuel tank case lid successively, the shorter part of this L shape fixed head parallels with the bottom surface of described fuel tank case lid, the planar section of the rectangular shape of seamless stainless-steel pipe of described bending coiling is arranged in the shorter part of at least 4 pieces of L shape fixed heads successively, two end sections of the seamless stainless-steel pipe of the bending coiling of described rectangular shape are each passed through this fuel tank hd top face and use sealing device to be fixedly mounted on fuel tank and cover, the sealing device of two end sections of the seamless stainless-steel pipe of described fuel tank case lid and rectangular shape bending coiling comprises sealing flange, O-ring seal, sealing nut, glue pearl, hexagon socket head cap screw, sealing compression plate, the seamless stainless-steel pipe end sections that described sealing flange cover is filled with rectangular shape bending coiling is through this fuel tank hd top face and be fixedly mounted on fuel tank and cover, sealing ring flange is provided with O-ring seal through the inner surface of described fuel tank hd top face portions end and the outer surface of the seamless stainless-steel pipe end sections of rectangular shape bending coiling, sealing ring flange is also installed with sealing nut through in described fuel tank hd top face part, sealing ring flange is provided with glue pearl between the terminal interior surface of fuel tank case lid bottom surface lower part and the outer surface of the seamless stainless-steel pipe end sections of rectangular shape bending coiling, and described sealing compression plate uses hexagon socket head cap screw to be fixedly mounted on the bottom that sealing ring flange is positioned at fuel tank case lid bottom surface lower part.
2. a kind of 10kV oil-filled transformer water cooling plant according to claim 1, is characterized in that: the seamless stainless-steel pipe of described bending coiling long for 5-6 rice, diameter be 15-20 ㎜.
3. a kind of 10kV oil-filled transformer water cooling plant according to claim 1, is characterized in that: the outer surface of the inner surface of described sealing flange and the seamless stainless-steel pipe end sections of rectangular shape bending coiling is interference fit.
4. a kind of 10kV oil-filled transformer water cooling plant according to claim 1, is characterized in that: described sealing flange is welded and fixed this fuel tank and covers, and adopts single or double full weld.
5. a kind of 10kV oil-filled transformer water cooling plant according to any one of Claims 1-4, it is characterized in that: the water cooling plant of this 10kV oil-filled transformer temperature rise of described reduction comprises 4 pieces of L shape fixed heads, these 4 pieces of rectangular shapes of L shape fixed head are fixed on the bottom surface of this fuel tank case lid successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938282.4A CN105355383B (en) | 2015-12-15 | 2015-12-15 | A kind of 10KV oil-filled transformers water cooling plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938282.4A CN105355383B (en) | 2015-12-15 | 2015-12-15 | A kind of 10KV oil-filled transformers water cooling plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105355383A true CN105355383A (en) | 2016-02-24 |
| CN105355383B CN105355383B (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510938282.4A Active CN105355383B (en) | 2015-12-15 | 2015-12-15 | A kind of 10KV oil-filled transformers water cooling plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378177A (en) * | 2018-12-06 | 2019-02-22 | 四川星脉电子科技有限责任公司 | Oil-immersed transformer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1543287A1 (en) * | 1987-12-21 | 1990-02-15 | Всесоюзный Научно-Исследовательский Институт Молекулярной Биологии | Device for airtight taking of samples of liquid |
| JPH09275016A (en) * | 1996-04-05 | 1997-10-21 | Hitachi Ltd | Static induction electric device and its tank |
| CN2288316Y (en) * | 1996-10-25 | 1998-08-19 | 杨长生 | Internal sealed centre-line butterfly valve |
| CN201311821Y (en) * | 2008-12-08 | 2009-09-16 | 刘乾光 | Oil-immersed water-cooled transformer |
| CN201557047U (en) * | 2009-08-20 | 2010-08-18 | 李欣怡 | Oil-immersed water-cool rectifying power supply cooler for surface treatment |
| CN202585023U (en) * | 2012-04-18 | 2012-12-05 | 河南勃达微波设备有限责任公司 | Water cooling structure of oil-immersed transformer for microwave equipment |
| CN204361889U (en) * | 2015-01-29 | 2015-05-27 | 北京石油化工学院 | Oil immersed water cool type crude oil dehydration electric power explosion-proof fuel tank |
| CN205230739U (en) * | 2015-12-15 | 2016-05-11 | 济南银河电气有限公司 | 10kV oil -immersed transformer water cooling plant |
-
2015
- 2015-12-15 CN CN201510938282.4A patent/CN105355383B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1543287A1 (en) * | 1987-12-21 | 1990-02-15 | Всесоюзный Научно-Исследовательский Институт Молекулярной Биологии | Device for airtight taking of samples of liquid |
| JPH09275016A (en) * | 1996-04-05 | 1997-10-21 | Hitachi Ltd | Static induction electric device and its tank |
| CN2288316Y (en) * | 1996-10-25 | 1998-08-19 | 杨长生 | Internal sealed centre-line butterfly valve |
| CN201311821Y (en) * | 2008-12-08 | 2009-09-16 | 刘乾光 | Oil-immersed water-cooled transformer |
| CN201557047U (en) * | 2009-08-20 | 2010-08-18 | 李欣怡 | Oil-immersed water-cool rectifying power supply cooler for surface treatment |
| CN202585023U (en) * | 2012-04-18 | 2012-12-05 | 河南勃达微波设备有限责任公司 | Water cooling structure of oil-immersed transformer for microwave equipment |
| CN204361889U (en) * | 2015-01-29 | 2015-05-27 | 北京石油化工学院 | Oil immersed water cool type crude oil dehydration electric power explosion-proof fuel tank |
| CN205230739U (en) * | 2015-12-15 | 2016-05-11 | 济南银河电气有限公司 | 10kV oil -immersed transformer water cooling plant |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378177A (en) * | 2018-12-06 | 2019-02-22 | 四川星脉电子科技有限责任公司 | Oil-immersed transformer |
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| Publication number | Publication date |
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| CN105355383B (en) | 2017-03-29 |
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Effective date of registration: 20220922 Address after: No. 101, Huiyuan Road, Jinshui Street, Pingyin County, Jinan City, Shandong Province, 250400 Patentee after: Jinan Huasheng Electric Co.,Ltd. Address before: 250400 Pingyin Industrial Park, Jinan City, Shandong Province Patentee before: JINAN GALAXY ELECTRIC Co.,Ltd. |
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