CN207217235U - A kind of main transformer cooling heat radiator - Google Patents
A kind of main transformer cooling heat radiator Download PDFInfo
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- CN207217235U CN207217235U CN201720783958.1U CN201720783958U CN207217235U CN 207217235 U CN207217235 U CN 207217235U CN 201720783958 U CN201720783958 U CN 201720783958U CN 207217235 U CN207217235 U CN 207217235U
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Abstract
The utility model provides a kind of main transformer cooling heat radiator, including：Main transformer, oil pump and the shell and tube liquid metal cooler with main transformer external connection, the main transformer is built with transformer oil, cooling pipe is set in the shell and tube liquid metal cooler, the transformer oil is delivered in shell and tube liquid metal cooler by oil pump, is contacted with cooling pipe；Liquid metal is housed in the cooling pipe.Main transformer top sets cold oil import and cold oil inlet valve, and the main transformer bottom sets hot oil outlet and deep fat delivery valve.Main transformer cooling heat radiator provided by the utility model, compared with prior art is using water cooling, the liquid metal that the utility model uses is as refrigerant, the liquid metal boiling point used in cooling pipe is typically larger than 2200 DEG C, avoid the suddenly change of liquid refrigerants pressure in flowing, reducing causes the possibility of equipment burnout because temperature is too high, improves the reliability and security of device.
Description
Technical field
Transformer Cooling technical field is the utility model is related to, more particularly to a kind of main transformer cooling heat radiator.
Background technology
In the process of running, due to effect electrically and magnetically, its coil and iron core can generate heat main transformer, such as can not in time by
This heat is taken away, the major accident that main transformer will be caused to burn or even explode, it is therefore necessary to pass through the transformer oil being full of in main transformer
Stream cools down coil and iron core, and the heat that transformer oil stream is taken away need to carry out heat exchange by heat abstractor, after cooling
Cold oil stream enter back into main transformer and cooled down.
Traditional main transformer type of cooling is mainly air blast cooling, natural air cooled and three kinds of water cooling, although water cooling is economical, efficiency
Height, if if cooling water occurs in cooling system to main transformer Seepage, even minor leakage, also leads to serious consequence, and
And due to 100 degrees Celsius of the boiling point of water, alternate transformation easily occurs, has potential danger for the stability of device systems.
Utility model content
A kind of the defects of the utility model is solution prior art stability, security is bad, there is provided main transformer cooling
Heat abstractor.
The utility model provides a kind of cooling heat radiator, including：Main transformer, oil pump and with connect outside main transformer
The shell and tube liquid metal cooler connect, the main transformer is built with transformer oil, the shell and tube liquid metal cooler
Middle setting cooling pipe, the transformer oil are delivered in shell and tube liquid metal cooler by oil pump, connect with cooling pipe
Touch；Liquid metal is housed in the cooling pipe.
Wherein, the main transformer top sets cold oil import and cold oil inlet valve, and the main transformer bottom sets heat
Oil export and deep fat delivery valve, the hot oil outlet are entered by the transformer oil pipeline of oil pump and shell and tube liquid metal cooler
Mouth connection.
Wherein, described device also includes air cooler, and the air cooler outside the shell and tube liquid metal cooler with connecting
Connect.
Wherein, the air cooler includes fin.
Wherein, the cooling pipe connection transfer tube, the import of the transfer tube are connected with the outlet of the cooling pipe,
The outlet of the transfer tube is connected with the import of the cooling pipe.
Wherein, the transfer tube is electromagnetic drive pump.
Wherein, the shell and tube liquid metal cooler carries preheating device.
Wherein, described liquid metal be gallium-base alloy, indium-base alloy, bismuth-base alloy, gallium-indium-tin alloy, Na-K alloy,
One kind in gallium indium tin Na-K alloy, mercury gallium-indium-tin alloy and mercury Na-K alloy.
Wherein, the gallium-base alloy is gallium base bianry alloy or gallium based multicomponent alloy；The indium-base alloy closes for indium bismuth copper
One kind in gold or indium bismuth tin alloy；The bismuth-base alloy is bismuth indium stannum alloy or bismuth indium red brass.
Wherein, the liquid metal also includes：
Diameter is mixed between 100nm to 900nm heat conduction particle (such as copper, gold, silver, diamond) or magnetic-particle is (such as
Ferroso-ferric oxide).
Main transformer cooling heat radiator provided by the utility model, the transformer oil in main transformer are conveyed by oil pump
To shell and tube liquid metal cooler, transformer oil is in shell and tube liquid metal cooler by using liquid metal as the cold of refrigerant
But tube-cooled.Compared with prior art is using water cooling, the liquid metal that the utility model uses is as refrigerant, in cooling pipe
The liquid metal boiling point of use is typically larger than 2200 DEG C, avoids the suddenly change of liquid refrigerants pressure in flowing, reduce because
The too high possibility for causing equipment burnout of temperature, so as to improve the reliability of device and security, simplifies the design of equipment
And manufacture, and further simplify the operation of equipment.
Using liquid metal as refrigerant, surface tension is higher than water, and liquid metals is less susceptible to leak, it is not necessary to fills again
Note.In addition, steam pressure is low at room temperature, thermal conductivity factor is high, operating temperature range is big for liquid metal, and with oxygen and water not
Easily chemically react, various advantages make it to substitute water in heat exchange.Although liquid metals relative cost is higher, by
In its reusable edible, cleanliness without any pollution, it is not easy to leak, maintenance cost and processing cost are well below water, so that liquid
The operating cost of metallic recuperator is less than water cooling heat exchanger.
Brief description of the drawings
Fig. 1 is the main transformer cooling heat radiator schematic diagram provided according to the utility model embodiment；
In figure, 1：Main transformer；2：Oil pump；3：Transformer oil；4：Shell and tube liquid metal cooler；5：Liquid metal；
6：Liquid metal transfer tube；7：Air cooler；8：Cooling pipe.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is explicitly described, it is clear that described reality
It is the utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, it is new to belong to this practicality
The scope of type protection.
Fig. 1 is the main transformer cooling heat radiator schematic diagram provided according to the utility model embodiment, as shown in figure 1,
The device includes：
Main transformer 1, oil pump 2 and the shell and tube liquid metal cooler 4 with main transformer external connection, the main transformer
Depressor sets cooling pipe 8 built with transformer oil 3 in the shell and tube liquid metal cooler 4, the transformer oil 3 is logical
Cross oil pump 2 to be delivered in shell and tube liquid metal cooler 4,8 are contacted with cooling pipe；Liquid is housed in the cooling pipe 8
Metal 5.
Main transformer, abbreviation main transformer, English name：Generator step-up transformer, abbreviation GSU
Transformer or GSU.Its function is exactly to pass through the required transformer for waiting level power supply for system.Main transformer 1 is built with change
Depressor oil 3, transformer oil is also known as insulating oil, refers to the mineral type insulating oil from the natural path class mixture of petroleum refining.It
Main component is alkane, naphthene series's saturated hydrocarbons, the compound such as aromatic series unsaturated hydrocarbons.The side's of being commonly called as canopy oil, light yellow clear liquid,
Relative density 0.895.Freezing point<-45℃.Transformer oil is widely used in the equipment such as transformer's type and breaker class.
Shell and tube liquid metal cooler 4 includes transformer oil and cooling pipe 8, and liquid is housed in the cooling pipe 8
Metal 5.Transformer oil 3 in main transformer 1 is delivered to shell and tube liquid metal cooler 4, the transformer oil by oil pump 2
3 are cooled down in shell and tube liquid metal cooler 4 by the cooling pipe using liquid metal as refrigerant.The oil pump 2 is used to become
Depressor oil 3 is delivered in shell and tube liquid metal cooler 8 and contacts with cooling pipe 8
Main transformer cooling heat radiator provided by the utility model, the transformer oil in main transformer are conveyed by oil pump
To shell and tube liquid metal cooler, transformer oil is in shell and tube liquid metal cooler by using liquid metal as the cold of refrigerant
But tube-cooled.Compared with prior art is using water cooling, the liquid metal that the utility model uses is as refrigerant, in cooling pipe
The liquid metal boiling point of use is typically larger than 2200 DEG C, avoids the suddenly change of liquid refrigerants pressure in flowing, reduce because
The too high possibility for causing equipment burnout of temperature, so as to improve the reliability of device and security, simplifies the design of equipment
And manufacture, and further simplify the operation of equipment.
On the basis of above-described embodiment, the top of main transformer 1 sets cold oil import and cold oil inlet valve, the master
The bottom of transformer 1 sets hot oil outlet and deep fat delivery valve, and the hot oil outlet is cooled down by oil pump 2 and shell and tube liquid metal
The transformer oil pipeline import connection of device 4.
Specifically, the bottom of main transformer 1 is provided with hot oil outlet and deep fat delivery valve, and oil pump 2 is by transformer oil 3 from deep fat
Outlet is delivered to the transformer oil pipeline import of shell and tube liquid metal cooler 4, and transformer oil 3 is by using liquid metal as refrigerant
Cooling pipe 8 cool down after, flow to cold oil import from the transformer oil tube outlet of shell and tube liquid metal cooler 4.Use liquid
State metal avoids the suddenly change of pressure in flowing as refrigerant, and causes the possibility of equipment burnout because temperature is too high
It is much lower, so as to improve the reliability of performance loop and security.Cold oil import is back to after transformer oil is cooled, is reached
To the effect recycled.
On the basis of the various embodiments described above, the main transformer cooling heat radiator that the utility model embodiment provides also wraps
Include air cooler, the air cooler and the shell and tube liquid metal cooler external connection.
Aerial cooler be using surrounding air as cooling medium, it is horizontal to plunder outside finned tube, obtain high-temperature technology fluid in pipe
To the equipment of cooling or condensation, referred to as " air cooler ", it is also referred to as " air-cooled type heat exchanger ".Air cooler is also referred to as fin blower fan,
Commonly use it and replace water-cooled shell-pipe heat exchanger cooling medium.Air cooler and shell and tube liquid metal cooler external connection,
After liquid metal 5 absorbs the heat in transformer oil, circulated in cooling pipe 8 and heat is brought to air cooler 7, passed through
Wind-cooling heat dissipating takes away heat, reduces liquid metal temperature and then continues to participate in circulation cooling.Air cooler carries fin, fin
The sheet metal for needing the heat-exchanger rig surface for carrying out heat transfer stronger by increasing thermal conductivity is that typically in, increases heat-exchanger rig
Heat exchange surface area, the sheet metal with this function are referred to as fin.
On the basis of the various embodiments described above, cooling pipe connects transfer tube, the import of transfer tube and going out for cooling pipe
Mouth connection, the outlet of transfer tube and the import of cooling pipe connect.After liquid metal 5 absorbs the heat in transformer oil 3, pass through
Transfer tube 6 drives liquid metal 5 to be circulated in cooling pipe 8 and heat is brought to air cooler 7, by wind-cooling heat dissipating heat
Amount is taken away, and reduces liquid metal temperature and then continues to participate in circulation cooling.
On the basis of the various embodiments described above, the transfer tube is electromagnetic drive pump.Magnetic force driving pump is by permanent magnetism shaft coupling
The operation principle of device is applied to the new product of centrifugal pump, and main material has stainless steel, enhancing polypropylene, engineering plastics.Design is closed
Reason, technique are advanced, have hermetically sealed, No leakage, corrosion resistant feature, and its performance reaches the advanced level of same kind of products at abroad.
Magnetic force driving pump general classification：Stainless steel magnetic force driving pump, plastic magnetic transfer tube, high-temp. magnetic power pump, self-priming magnetic force drive
Dynamic pump.Because electromagnetic drive pump is without any mechanical moving element, therefore cooling pipe operation is without mechanical loss, efficiency high, power consumption
Low, energy-saving effect is substantially better than traditional water-cooling system, and noiseless.
On the basis of the various embodiments described above, the shell and tube liquid metal cooler carries preheating device.In transformer
Before hot oil outlet flows into shell and tube liquid metal cooler 4, preheating device adds oil 3 to shell and tube liquid metal cooler
Heat.Preheating device can cut down the temperature difference, avoid thermal shock.
On the basis of the various embodiments described above, described liquid metal is gallium-base alloy, indium-base alloy, bismuth-base alloy, gallium
One kind in indium stannum alloy, Na-K alloy, gallium indium tin Na-K alloy, mercury gallium-indium-tin alloy and mercury Na-K alloy.
Wherein, the gallium-base alloy is gallium base bianry alloy or gallium based multicomponent alloy, such as gallium-indium alloy or gallium tin alloy,
Indium-base alloy is one kind in indium bismuth copper alloy or indium bismuth tin alloy；Bismuth-base alloy is bismuth indium stannum alloy or bismuth indium red brass.
On the basis of the various embodiments described above, liquid metal also includes：
Diameter is mixed between 100nm to 900nm heat conduction particle (such as copper, gold, silver, diamond) or magnetic-particle is (such as
Ferroso-ferric oxide).
The liquid metal that can be used in the utility model embodiment is as shown in the table：
| Liquid metal | Each component mass fraction | Fusing point |
| Gallium-indium-tin alloy | Ga：62%th, In：25%th, Sn：13% | 11℃ |
| Gallium-indium alloy | Ga：75.5%th, In：24.5% | 15.7℃ |
| Gallium tin alloy | Ga：86.5%th, Sn：13.5% | 20.5℃ |
| Indium bismuth tin alloy | In：51.5%th, Bi：32%th, Sn：16.5% | 60℃ |
| Bismuth indium alloy | Bi：33.7%th, In：66.3% | 72℃ |
| Indium bismuth red brass | In：26%th, Bi：56%th, Sn：17%th, Zn：1% | 79℃ |
| Bismuth indium stannum alloy | Bi：54%th, In：29.7%th, Sn：16.3% | 81℃ |
| Indium red brass | In：52.2%th, Sn：46%th, Zn：1.8% | 108℃ |
| Bismuth tin alloy | Bi：58%th, Sn：42% | 138℃ |
Embodiment 1
In the present embodiment, liquid metal is that (wherein each component mass fraction is Ga to gallium-indium-tin alloy：62%th, In：25%th,
Sn：13%), its fusing point is 11 DEG C.As shown in figure 1, the device is cold including main transformer 1, oil pump 2 and shell and tube liquid metal
But device 4, transformer oil is loaded with the main transformer 1, and the top of main transformer 1 sets cold oil import and cold oil oil-feed
Valve, the bottom of main transformer 1 are provided with hot oil outlet and deep fat delivery valve, and the oil pump 2 goes out heat transformer oil 3 from deep fat
Mouth is delivered to the transformation oil pipe line import of shell and tube liquid metal cooler 4, and the transformer oil 3 is cooled after the cooling of pipeline 8
Cold oil import is flow to from the transformer oil tube outlet of shell and tube liquid metal cooler 4.The device also includes air cooler 7 and driving
The transfer tube 6 that liquid metal 5 circulates in cooling pipe 8, the air cooler 7 are used for the heat transformer for absorbing liquid metal 5
Heat caused by oil 3 is taken away.Because electromagnetic pump is without any mechanical moving element, therefore heat exchanger operation is without mechanical loss, effect
Rate is high, and low in energy consumption, energy-saving effect is substantially better than traditional water-cooling system, and noiseless.
Embodiment 2
In the present embodiment, liquid metal is that (wherein each component mass fraction is Ga to gallium-indium alloy：75.5%th, In：
24.5%), its fusing point is 15.7 DEG C.As shown in figure 1, the device includes main transformer 1, oil pump 2 and shell and tube liquid metal
Cooler 4, transformer oil is loaded with the main transformer 1, and the top of main transformer 1 sets cold oil import and cold oil oil-feed
Valve, the bottom of main transformer 1 are provided with hot oil outlet and deep fat delivery valve, and the oil pump 2 goes out heat transformer oil 3 from deep fat
Mouth is delivered to the transformation oil pipe line import of shell and tube liquid metal cooler 4, and the transformer oil 3 is cooled after the cooling of pipeline 8
Cold oil import is flow to from the transformer oil tube outlet of shell and tube liquid metal cooler 4.The outlet of cooling pipe 8 and transfer tube 6
Import connection, the outlet of transfer tube 6 is connected with the import of cooling pipe 8, and cooling fins are provided with outside cooling pipe 8, row
After liquid metal 5 absorbs the heat of transformer oil in tubular type liquid metal cooler 4, liquid metal 5 is driven cold by transfer tube 6
But in pipeline 8 circulation heat is brought to air cooler 7, heat is taken away by wind-cooling heat dissipating, make liquid metal temperature reduce into
And continue to participate in circulation cooling.
Embodiment 3
In the present embodiment, liquid metal is that (wherein each component mass fraction is Ga to gallium tin alloy：86.5%th, Sn：
13.5%), its fusing point is 20.5 DEG C.Implementation is the same as embodiment 1.
Embodiment 4
In the present embodiment, liquid metal is that (wherein each component mass fraction is In to indium bismuth tin alloy：51.5%th, Bi：
32%th, Sn：16.5%), its fusing point is 60 DEG C.Implementation is the same as embodiment 1.
Embodiment 5
In the present embodiment, liquid metal is that (wherein each component mass fraction is Bi to bismuth indium alloy：33.7%th, In：
66.3%), its fusing point is 72 DEG C.Implementation is the same as embodiment 1.
Embodiment 6
In the present embodiment, liquid metal is that (wherein each component mass fraction is In to indium bismuth red brass：26%th, Bi：
56%th, Sn：17%th, Zn：1%), its fusing point is 79 DEG C.Implementation is the same as embodiment 2.
Embodiment 7
In the present embodiment, liquid metal is that (wherein each component mass fraction is Bi to bismuth indium stannum alloy：54%th, In：
29.7%th, Sn：16.3%), its fusing point is 81 DEG C.Implementation is the same as embodiment 2.
Embodiment 8
In the present embodiment, liquid metal is that (wherein each component mass fraction is In to indium red brass：52.2%th, Sn：
46%th, Zn：1.8%), its fusing point is 108 DEG C.Implementation is the same as embodiment 2.
Embodiment 9
In the present embodiment, liquid metal is that (wherein each component mass fraction is Bi to bismuth tin alloy：58%th, Sn：42%), its
Fusing point is 138 DEG C.Implementation is the same as embodiment 2.
Main transformer cooling heat radiator provided by the utility model, compared with prior art is using water cooling, this practicality is new
The liquid metal that type uses is as refrigerant, and the liquid metal boiling point used in cooling pipe is typically larger than 2200 DEG C, liquid metals
It is monophasic fluid at normal temperatures, operating pressure remains low level, avoids the suddenly change of liquid refrigerants pressure in flowing,
Reducing causes the possibility of equipment burnout because temperature is too high, so as to improve the reliability of device and security, simplifies equipment
Design and manufacture, and further simplify the operation of equipment.Although liquid metals relative cost is higher, because it is recyclable
Utilize, cleanliness without any pollution, be not easy to leak, maintenance cost and processing cost are well below water, so that liquid metals heat exchanger
Operating cost be less than water cooling heat exchanger.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of protection of the utility model.
All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., should be included in this reality
Within new protection domain.
Claims (10)
- A kind of 1. main transformer cooling heat radiator, it is characterised in that including：Main transformer, oil pump and the shell and tube liquid metal cooler with main transformer external connection, in the main transformer Equipped with transformer oil, cooling pipe is set, the transformer oil is conveyed by oil pump in the shell and tube liquid metal cooler Into shell and tube liquid metal cooler, contacted with cooling pipe；Liquid metal is housed in the cooling pipe.
- 2. device according to claim 1, it is characterised in that the main transformer top sets cold oil import and cold oil to enter Fuel tap, the main transformer bottom set hot oil outlet and deep fat delivery valve, the hot oil outlet to pass through oil pump and shell and tube liquid The transformer oil pipeline import connection of state metal cooler.
- 3. device according to claim 1, it is characterised in that described device also includes air cooler, the air cooler and institute State shell and tube liquid metal cooler external connection.
- 4. device according to claim 3, it is characterised in that the air cooler includes fin.
- 5. device according to claim 1, it is characterised in that the cooling pipe connects transfer tube, the transfer tube Import is connected with the outlet of the cooling pipe, and the outlet of the transfer tube is connected with the import of the cooling pipe.
- 6. device according to claim 5, it is characterised in that the transfer tube is electromagnetic drive pump.
- 7. device according to claim 1, it is characterised in that row, the shell and tube liquid metal cooler fill with preheating Put.
- 8. device according to claim 1, it is characterised in that described liquid metal is gallium-base alloy, indium-base alloy, bismuth One in based alloy, gallium-indium-tin alloy, Na-K alloy, gallium indium tin Na-K alloy, mercury gallium-indium-tin alloy and mercury Na-K alloy Kind.
- 9. device according to claim 8, it is characterised in that the gallium-base alloy is gallium base bianry alloy or gallium Quito member Alloy；The indium-base alloy is one kind in indium bismuth copper alloy or indium bismuth tin alloy；The bismuth-base alloy be bismuth indium stannum alloy or Bismuth indium red brass.
- 10. device according to claim 1, it is characterised in that the liquid metal also includes：It is mixed with heat conduction particle or magnetic-particle of the diameter between 100nm to 900nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720783958.1U CN207217235U (en) | 2017-06-30 | 2017-06-30 | A kind of main transformer cooling heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720783958.1U CN207217235U (en) | 2017-06-30 | 2017-06-30 | A kind of main transformer cooling heat radiator |
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| Publication Number | Publication Date |
|---|---|
| CN207217235U true CN207217235U (en) | 2018-04-10 |
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ID=61812448
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720783958.1U Active CN207217235U (en) | 2017-06-30 | 2017-06-30 | A kind of main transformer cooling heat radiator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741909A (en) * | 2019-02-01 | 2019-05-10 | 广东粤电阳江海上风电有限公司 | A kind of maritime transformer station transformer fresh water cooled integrated equipment |
| CN114597637A (en) * | 2022-03-08 | 2022-06-07 | 中国科学院理化技术研究所 | Reconfigurable antenna |
-
2017
- 2017-06-30 CN CN201720783958.1U patent/CN207217235U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741909A (en) * | 2019-02-01 | 2019-05-10 | 广东粤电阳江海上风电有限公司 | A kind of maritime transformer station transformer fresh water cooled integrated equipment |
| CN114597637A (en) * | 2022-03-08 | 2022-06-07 | 中国科学院理化技术研究所 | Reconfigurable antenna |
| CN114597637B (en) * | 2022-03-08 | 2023-12-19 | 中国科学院理化技术研究所 | reconfigurable antenna |
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