CN204834267U - Vegetable insulating oil cooling system for oil -immersed transformer - Google Patents
Vegetable insulating oil cooling system for oil -immersed transformer Download PDFInfo
- Publication number
- CN204834267U CN204834267U CN201520667153.1U CN201520667153U CN204834267U CN 204834267 U CN204834267 U CN 204834267U CN 201520667153 U CN201520667153 U CN 201520667153U CN 204834267 U CN204834267 U CN 204834267U
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- oil
- transformer
- heat exchanger
- circulation circuit
- insulating
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Abstract
The utility model provides a vegetable insulating oil cooling system for oil -immersed transformer, which comprises a radiator, transformer and heat exchanger, transformer and heat exchanger set up in the sealing chamber of subsurface, the radiator setting is subaerial transformer and heat exchanger top, be provided with insulating oily circulation circuit between transformer and heat exchanger, be provided with insulating oil in insulating oily circulation circuit, be provided with coolant oil circulation circuit between radiator and heat exchanger, insulating oily circulation circuit goes out oil pipe including insulating oil pipe of advancing and insulation, the coolant oil return circuit is advanced oil pipe and is cooled off an oil pipe including the cooling, the oily circulation circuit of insulation, coolant oil circulation circuit be provided with the oil pump respectively, beneficial effect provides two independent coolant oil circulation system in underground on the ground, still with the coolant oil replacement for vegetable insulating oil, avoided the problem of using mineral insulating oil, reduced the risk of leaking, reduced environmental pollution.
Description
Technical field
The utility model belongs to transformer Cooling equipment technical field, is specifically related to a kind of oil-filled transformer vegetable insulating oil cooling system.
Background technology
At present, the type of cooling of the underground substation oil-filled transformer existing in the world mode such as adopt self-cold radiating, oil-air cooling, oil-water cooling, oil-oil cooling but, wherein oil-oil cooling system is used more mode.The cooled oil of existing oil-oil cooling system and cold oil are all use transformer mineral insulating oil, and this system exists following problem: a, mineral insulation oil flash and burning point are low, have the possibility of blasting with fire high; B, transformer discharge a large amount of CO when scrapping mineral insulating oil burning disposal
2, can global greenhouse effect be caused; When c, transformer occur to leak, mineral insulating oil natural decomposition power in soil is very low, and depth of soil can be caused to pollute.
Utility model content
The purpose of this utility model is to provide one and overcomes prior art deficiency, provide two, the above and below ground independently cold oil circulatory system, also cold oil is replaced with vegetable insulating oil, avoid the problem using mineral insulating oil, reduce the risk of leakage, decrease environmental pollution.
To achieve these goals, the concrete technical scheme that the utility model adopts is:
A kind of oil-filled transformer vegetable insulating oil cooling system, key is: comprise radiator, transformer and heat exchanger, transformer and heat exchanger are arranged in underground closed chamber, radiator is arranged on the ground above transformer and heat exchanger, insulating oil circulation circuit is provided with between transformer and heat exchanger, insulating oil is provided with in insulating oil circulation circuit, cold oil circulation circuit is provided with between radiator and heat exchanger, insulating oil is provided with in cold oil circulation circuit, insulating oil circulation circuit comprises insulation oil inlet pipe and insulation flowline, transformer oil-in and heat exchanger heating agent oil-out are tightly connected by insulation oil inlet pipe, transformer oil-out and heat exchanger heating agent inlet seal connect by insulation flowline, cold oil loop comprises cooling oil inlet pipe and cooling flowline, radiator oil-in and heat exchanger refrigerant oil-out are tightly connected by cooling oil inlet pipe, radiator oil-out and heat exchanger refrigerant oil-in are tightly connected by cooling flowline, described insulating oil circulation circuit, cold oil circulation circuit is respectively arranged with oil pump.
Described insulating oil circulation circuit, cold oil circulation circuit are also respectively arranged with valve, oil stream indicating device.
The quantity of described radiator is one, two or more.
The quantity of described heat exchanger is one, two or more.
Be provided with cold oil fuel reserve tank above described radiator, cold oil fuel reserve tank is communicated with radiator.
Be provided with insulating oil fuel reserve tank above described transformer, insulating oil fuel reserve tank is communicated with transformer.
Described cold oil is vegetable insulating oil.
The beneficial effects of the utility model are: owing to providing two, the above and below ground independently cold oil circulatory system, also cold oil is replaced with vegetable insulating oil, carry out oil-oily heat exchange by heat exchanger and cooling system is divided into two independently the insulating oil circulatory system of transformer side and the heat sink side cold oil circulatory systems.Use oil-oil heat exchanger to be divided into risk that two pressure-bearings that independently circulatory system can improve oil tank of transformer cause leakage, safe and reliable; Use ground self-cooling type radiator noise can reach lower noise environment requirement.Use vegetable insulating oil cooling system, cold oil point of origin is high, and security performance is reliable; Thermal transmission coefficient is high, and cooling performance is good; Suppress the discharge of CO2, prevent greenhouse effect; Biological degradability is good, reduces environmental pollution, and described filter can use the carbon distribution of rear generation by filtering insulating oil in time for a long time, ensures the normal operation of equipment.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
In accompanying drawing, 1, transformer, 2, heat exchanger, 3, radiator, 4, cold oil fuel reserve tank, 5, insulating oil fuel reserve tank.
Embodiment
The utility model is a kind of oil-filled transformer vegetable insulating oil cooling system, owing to providing two, the above and below ground independently cold oil circulatory system, also cold oil is replaced with vegetable insulating oil, avoid the problem using mineral insulating oil, reduce the risk of leakage, decrease environmental pollution.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Specific embodiment, as shown in Figure 1, a kind of oil-filled transformer vegetable insulating oil cooling system, comprise radiator 3, transformer 1 and heat exchanger 2, transformer 1 and heat exchanger 2 are arranged in underground closed chamber, radiator 3 are arranged on the ground above transformer 1 and heat exchanger 2.Insulating oil loop is provided with between transformer 1 and heat exchanger 2, insulating oil is provided with in insulating oil circulation circuit, cold oil circulation circuit is provided with between radiator 3 and heat exchanger 2, cooling insulating oil is provided with in cold oil circulation circuit, in order to avoid the problem using mineral insulating oil to occur contaminated environment, cold oil is replaced with vegetable insulating oil.In order to improve heat exchange efficiency, the quantity of heat exchanger 2 and radiator 3 is all one, two or more.Insulating oil is provided with in insulating oil circulation circuit, insulating oil circulation circuit comprises insulation oil inlet pipe and insulation flowline, transformer 1 oil-in and heat exchanger 2 heating agent oil-out are tightly connected by insulation oil inlet pipe, transformer 1 oil-out and heat exchanger 2 Heating medium are tightly connected by insulation flowline, cold oil loop comprises cooling oil inlet pipe and cooling flowline, radiator 3 oil-in and heat exchanger 2 refrigerant oil-out are tightly connected by cooling oil inlet pipe, radiator 3 oil-out and heat exchanger 2 refrigerant oil-in are tightly connected by cooling flowline, described insulating oil circulation circuit, cold oil circulation circuit is respectively arranged with oil pump.
For the ease of controlling and safeguarding, be also respectively arranged with valve, oil stream indicating device at insulating oil circulation circuit, cold oil circulation circuit.
Because oil can expand with heat and contract with cold, to be heated spilling to prevent oil, after preventing oil cooling, radiator pasta is too low, cold oil fuel reserve tank 4 is provided with above radiator 3, cold oil fuel reserve tank 4 is communicated with radiator 3, above transformer 1, be also provided with insulating oil fuel reserve tank 5, insulating oil fuel reserve tank 5 is communicated with transformer 1.
Insulating oil circulation circuit in use, is first filled insulating oil by the utility model, and cold oil circulation circuit fills vegetable insulating oil.Cold oil circulation circuit uses the benefit of vegetable insulating oil to be that vegetable oil is for rapeseed oil: flash-point and the burning point of a, rapeseed insulating oil are high, reduces the possibility of blasting with fire, improves security performance; The burning-point of mineral insulating oil is 144 DEG C, and the burning-point of rapeseed oil is 334 DEG C, so rapeseed oil meets the requirement of high fire protecting performance; B, rapeseed insulating oil are produced and can be printed CO when discarding
2discharge capacity prevent greenhouse effect, improve environmental performance; Rapeseed oil transformer compared with using the traditional transformer of mineral oils insulating oil, manufacture and discarded time CO2 emissions approximately can reduce 90%; C, biological degradability are good, are easily decomposed by the microorganisms in natural environment, little on the impact of environment; Mineral oil biological degradation rate only has about 30%, rapeseed insulating oil biological degradation rate >97%, is a kind of insulating oil of environment-protecting clean; The ratio of heat transfer coefficient of d, rapeseed insulating oil is with the mineral insulation innage under operating mode, and cooling performance is relatively high; The thermal transmission coefficient 0.181W/mK of the rapeseed insulating oil of 50 DEG C, the thermal transmission coefficient 0.125W/mK of mineral insulating oil, the cooling performance of rapeseed insulating oil is relatively high; E, rapeseed insulating oil are that refining is extracted from plantation edible vegetable oil, and supply stability is very high.
After starting cooling system, the insulating oil circulation circuit that transformer 1, heat exchanger 2 are formed and the cold oil circulation circuit that heat exchanger 2, radiator 3 are formed carry out heat exchange in heat exchanger 2, exhaled from radiator 3 by the heat of transformer 1 makes transformer 1 keep low-temperature condition always, owing to providing two, the above and below ground independently cold oil circulatory system, also cold oil is replaced with vegetable insulating oil, avoid the problem using mineral insulating oil, reduce the risk of leakage, decrease environmental pollution.Be used in ground its noise of self-cooling type radiator 3 and can reach lower noise environment requirement, use vegetable insulating oil cooling system, cold oil point of origin is high, and security performance is reliable; Thermal transmission coefficient is high, and cooling performance is good; Print CO
2discharge, prevent greenhouse effect; Biological degradability is good, reduces environmental pollution.
Claims (7)
1. an oil-filled transformer vegetable insulating oil cooling system, it is characterized in that: comprise radiator (3), transformer (1) and heat exchanger (2), transformer (1) and heat exchanger (2) are arranged in underground closed chamber, radiator (3) is arranged on the ground of transformer (1) and heat exchanger (2) top, insulating oil circulation circuit is provided with between transformer (1) and heat exchanger (2), insulating oil is provided with in insulating oil circulation circuit, cold oil circulation circuit is provided with between radiator (3) and heat exchanger (2), insulating oil is provided with in cold oil circulation circuit, insulating oil circulation circuit comprises insulation oil inlet pipe and insulation flowline, transformer (1) oil-in and heat exchanger (2) heating agent oil-out are tightly connected by insulation oil inlet pipe, transformer (1) oil-out and heat exchanger (2) Heating medium are tightly connected by insulation flowline, cold oil loop comprises cooling oil inlet pipe and cooling flowline, radiator (3) oil-in and heat exchanger (2) refrigerant oil-out are tightly connected by cooling oil inlet pipe, radiator (3) oil-out and heat exchanger (2) refrigerant oil-in are tightly connected by cooling flowline, described insulating oil circulation circuit, cold oil circulation circuit is respectively arranged with oil pump.
2. a kind of oil-filled transformer vegetable insulating oil cooling system according to claim 1, is characterized in that: described insulating oil circulation circuit, cold oil circulation circuit are also respectively arranged with valve, oil stream indicating device.
3. a kind of oil-filled transformer vegetable insulating oil cooling system according to claim 1, is characterized in that: the quantity of described radiator (3) is one, two or more.
4. a kind of oil-filled transformer vegetable insulating oil cooling system according to claim 1, is characterized in that: the quantity of described heat exchanger (2) is one, two or more.
5. a kind of oil-filled transformer vegetable insulating oil cooling system according to claim 1, it is characterized in that: described radiator (3) top is provided with cold oil fuel reserve tank (4), and cold oil fuel reserve tank (4) is communicated with radiator (3).
6. a kind of oil-filled transformer vegetable insulating oil cooling system according to claim 1, it is characterized in that: described transformer (1) top is provided with insulating oil fuel reserve tank (5), and insulating oil fuel reserve tank (5) is communicated with transformer (1).
7. a kind of oil-filled transformer vegetable insulating oil cooling system according to claim 1, is characterized in that: described insulating oil is vegetable insulating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520667153.1U CN204834267U (en) | 2015-08-31 | 2015-08-31 | Vegetable insulating oil cooling system for oil -immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520667153.1U CN204834267U (en) | 2015-08-31 | 2015-08-31 | Vegetable insulating oil cooling system for oil -immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834267U true CN204834267U (en) | 2015-12-02 |
Family
ID=54691839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520667153.1U Expired - Fee Related CN204834267U (en) | 2015-08-31 | 2015-08-31 | Vegetable insulating oil cooling system for oil -immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834267U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405621A (en) * | 2015-12-25 | 2016-03-16 | 中国能源建设集团广东省电力设计研究院有限公司 | Split-type arrangement method and structure of gas transformer |
| CN111537854A (en) * | 2020-05-14 | 2020-08-14 | 哈尔滨理工大学 | Temperature-variable multifunctional sample chamber |
| CN112557993A (en) * | 2020-11-13 | 2021-03-26 | 广东电网有限责任公司广州供电局 | Vegetable oil transformer thermal fault simulation system based on eddy current heating |
-
2015
- 2015-08-31 CN CN201520667153.1U patent/CN204834267U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405621A (en) * | 2015-12-25 | 2016-03-16 | 中国能源建设集团广东省电力设计研究院有限公司 | Split-type arrangement method and structure of gas transformer |
| CN111537854A (en) * | 2020-05-14 | 2020-08-14 | 哈尔滨理工大学 | Temperature-variable multifunctional sample chamber |
| CN112557993A (en) * | 2020-11-13 | 2021-03-26 | 广东电网有限责任公司广州供电局 | Vegetable oil transformer thermal fault simulation system based on eddy current heating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180831 |