CN210537182U - Auxiliary spraying device for external air cooling of direct current converter station - Google Patents
Auxiliary spraying device for external air cooling of direct current converter station Download PDFInfo
- Publication number
- CN210537182U CN210537182U CN201920451861.XU CN201920451861U CN210537182U CN 210537182 U CN210537182 U CN 210537182U CN 201920451861 U CN201920451861 U CN 201920451861U CN 210537182 U CN210537182 U CN 210537182U
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- Prior art keywords
- heat dissipation
- pipe
- air cooling
- fan
- upper heat
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- 238000001816 cooling Methods 0.000 title claims abstract description 77
- 238000005507 spraying Methods 0.000 title claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 230000017525 heat dissipation Effects 0.000 claims abstract description 60
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 239000000945 filler Substances 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000498 cooling water Substances 0.000 abstract description 7
- 238000000889 atomisation Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 239000006199 nebulizer Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 206010060904 Freezing phenomenon Diseases 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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Abstract
The utility model discloses an auxiliary spray device that is used for outer forced air cooling of direct current conversion station, including last heat dissipation case, lower storage water tank, outer wind cold wind pipe, blast pipe, back flow, fan, ultrasonic atomization ware head, heat preservation insulating layer, filler pipe, metal fin, sealed cowling and sealing washer. The utility model has the advantages that: go up the lateral surface of heat dissipation case and be fixed with multi-disc and last heat dissipation case surface vertically's metal fin respectively, the radiating effect of heat dissipation case is gone up in the improvement, the thermal insulation layer is the outside close-fitting of parcel form and lower storage water tank and is in the same place, effectively avoid the phenomenon of freezing that low temperature caused winter, ensure to atomize all the time and spray the operation, the ultrasonic nebulizer head can arouse down the cooling water in the storage water tank and produce the fog, the fog sprays on the upper surface of last heat dissipation incasement lateral wall and outer wind-cooling pipe through blast pipe and fan, a large amount of heats are taken away in the drive of steam and wind, form the circulation atomizing and spray, be favorable to the.
Description
Technical Field
The utility model relates to an auxiliary spray set specifically is an auxiliary spray set who is used for outer forced air cooling of direct current convertor station, belongs to electric power heat sink technical field.
Background
The converter valve is core equipment of a direct current transmission project, expected direct current voltage is obtained by sequentially connecting three-phase alternating current voltage to a direct current end, power control is achieved, and the value of the converter valve accounts for 22-25% of the total price of complete equipment of a converter station. The converter valve is designed by applying the latest technologies and research achievements of a power electronic technology, a light-operated conversion technology, a high-voltage technology, a control technology, a voltage-sharing technology, a cooling technology and an insulating material for high voltage. And a valve cooling system plays an important role in safe and stable operation of the converter valve, and comprises an inner cooling system and an outer cooling system. The internal cooling system comprises water cooling, air cooling, oil cooling and Freon cooling; the external cooling system is divided into external water cooling and external air cooling. The valve cooling system cools the converter valve which is the core equipment of the direct-current system through the internal cooling system, takes away a large amount of heat generated in the operation process of the converter valve, and ensures the reliable operation of the converter valve. The internal cooling systems used in the valve cooling systems of the present direct current converter stations are usually water cooled. For a direct current converter station installed in a severe cold area in winter (the outdoor temperature is lower than zero), if a mode that an external water cooling system cools an internal water cooling system is adopted, the condition of freezing of cooling water is easy to occur, so that the valve cooling system cannot normally operate, the temperature of a heating element is overhigh, and the normal work of a converter valve is influenced. Therefore, for the dc converter station installed in the severe cold area in winter, a cooling method of cooling the internal water cooling system by the external air cooling system is preferably adopted. However, due to the limited cooling capacity of the external air cooling system, the valve cooling system cannot normally operate in extreme high-temperature weather in summer, so that the temperature of the heating element is too high, and the normal operation of the converter valve is affected.
The special auxiliary spraying device is needed for the purpose and comprises a water pump, wherein the water inlet of the water pump is communicated with a cooling water pipe, and the water outlet of the water pump is communicated with a spraying water pipe; the cooling water pipe is communicated with a water inlet of the water pump through the water treatment filter; the water outlet of the water pump is communicated with the spray header through a water softener; a plurality of spray heads are arranged on the spray header; all the parts connected in sequence adopt flexible pipe connection. Although the existing device makes up the defect of insufficient cooling capacity of the external air cooling system of the direct current converter station in extreme high-temperature weather in summer, the normal operation of the valve cooling system is ensured, and the device is suitable for auxiliary cooling of the external air cooling system of the direct current converter station in severe cold weather in winter and extreme high-temperature weather in summer, the overall adopted equipment cost is higher, the heat dissipation effect is poor, and the spray pipe is easily frozen in winter, so that the overall heat dissipation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be used for outer forced air cooling's of direct current converter station auxiliary spray set in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: an auxiliary spraying device for external air cooling of a direct current converter station comprises an upper heat dissipation box, a lower water storage box, an external air cooling pipe, an exhaust pipe, a return pipe, a fan, an ultrasonic atomizer head, a heat insulation layer, a water feeding pipe, a metal radiating fin, a sealing cover and a sealing ring; the upper heat dissipation box and the lower water storage tank made of plastics form a main body structure of the device, the upper heat dissipation box is arranged above the lower water storage tank, the upper surface of the outer air cooling pipe is fixedly connected with the upper heat dissipation box, the lower surface of the outer air cooling pipe is fixedly connected with the lower water storage tank, two ends of the upper heat dissipation box and the lower water storage tank are respectively communicated through an exhaust pipe and a return pipe which penetrate through the outer air cooling pipe and have a diameter smaller than that of the outer air cooling pipe, a fan blowing air to the return pipe through the exhaust pipe is fixed in the upper heat dissipation box, air flow generated by the fan flows through the inner side wall of the upper heat dissipation box and the upper surface of the outer air cooling pipe, a plurality of ultrasonic atomizer heads are arranged at the bottom of the lower water storage tank below the exhaust pipe, a heat preservation and insulation layer is arranged on the outer wall of the water storage tank, a water adding pipe is, the sealed cowling is settled in last heat dissipation incasement, just fixed mounting has the fan in the sealed cowling, just the sealed cowling is provided with the sealing washer with the junction of fan.
Preferably, in order to improve the heat dissipation effect of the upper heat dissipation box, a plurality of metal heat dissipation fins vertical to the surface of the upper heat dissipation box are respectively fixed on the outer side surface of the upper heat dissipation box, and the metal heat dissipation fins are arranged in parallel.
Preferably, in order to better protect the motor of the fan, the motor of the fan is wrapped by a sealing cover supported in the upper heat dissipation box, and a sealing ring in contact with the sealing cover is sleeved at the penetrating part of the motor.
Preferably, in order to effectively avoid the icing phenomenon caused by low temperature in winter through heat preservation and heat insulation of the lower water storage tank for storing water, the heat preservation and heat insulation layer is wrapped and tightly attached to the outer part of the lower water storage tank.
Preferably, in order to make a plurality of ultrasonic atomization wares head not influence each other in work, make simultaneously that the cooling effect is more comprehensive more high-efficient, ultrasonic atomization ware head is arranged the formula in the bottom of storage water tank under and is arranged, and is parallel connection between the ultrasonic atomization ware head.
Preferably, in order to form the circulating atomization spray, the water-saving resource, the upper heat dissipation box and the lower water storage box are communicated through an exhaust pipe and a return pipe which penetrate through the outer air cooling pipe.
The utility model has the advantages that: the auxiliary spraying device for the external air cooling of the direct current converter station is reasonable in design, a plurality of metal radiating fins vertical to the surface of the upper radiating box are fixed on the outer side surface of the upper radiating box respectively, the metal radiating fins are arranged in parallel, the radiating effect of the upper radiating box is improved, a motor of a fan is wrapped by a sealing cover supported in the upper radiating box, a sealing ring in contact with the sealing cover is sleeved at the penetrating part of the motor, the motor of the fan is better protected, a heat preservation and insulation layer is wrapped and tightly attached to the outer part of a lower water storage tank, when the auxiliary spraying device is used, the lower water storage tank for storing water can effectively avoid the freezing phenomenon caused by low temperature in winter through heat preservation and insulation, the atomizing spraying operation can be ensured all the time, the ultrasonic atomizer heads are arranged at the bottom of the lower water storage tank and are connected in parallel, so that the work of the ultrasonic atomizer heads is not influenced, can arouse the cooling water in the lower storage water tank and produce the fog, the fog sprays on the upper surface of last heat dissipation incasement wall and outer wind cold air pipe through blast pipe and fan, a large amount of heats are taken away in the drive of steam and wind, make outer wind cold air pipe temperature reduce rapidly through last heat dissipation case, cooling effect is more comprehensive more high-efficient, go up heat dissipation case and lower storage water tank and communicate through blast pipe and the back flow that runs through outer wind cold air pipe, can form the circulation atomizing and spray, the water phase is in sealed circulation, play the effect of heat-radiating medium, the almost anhydrous loss of whole cooling process, the water resource has been practiced thrift greatly, be favorable to the enterprise to reduce the operation cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the lower water storage tank of the present invention.
In the figure: 1. the ultrasonic atomizer comprises an upper radiating box, a lower water storage tank, a 3 external air cooling pipe, a 4 exhaust pipe, a 5 return pipe, a 6 fan, a 7 ultrasonic atomizer head, a 8 thermal insulation layer, a 9 water adding pipe, a 10 metal radiating fin, 11 sealing covers, 12 sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an auxiliary spray device for external air cooling of a dc converter station includes an upper heat dissipation box 1, a lower water storage tank 2, an external air cooling pipe 3, an exhaust pipe 4, a return pipe 5, a fan 6, an ultrasonic atomizer head 7, a heat preservation and insulation layer 8, a water feeding pipe 9, a metal heat dissipation fin 10, a sealing cover 11 and a sealing ring 12; the device is characterized in that the upper heat dissipation box 1 and the lower water storage tank 2 made of plastic form a main structure of the device, the upper heat dissipation box 1 is arranged above the lower water storage tank 2, the upper surface of the outer air cooling pipe 3 is fixedly connected with the upper heat dissipation box 1, the lower surface of the outer air cooling pipe 3 is fixedly connected with the lower water storage tank 2, two ends of the upper heat dissipation box 1 and the lower water storage tank 2 are respectively communicated with a backflow pipe 5 through an exhaust pipe 4 which penetrates through the outer air cooling pipe 3 and has a diameter smaller than that of the outer air cooling pipe 3, a fan 6 which blows air to the backflow pipe 5 through the exhaust pipe 4 is fixed in the upper heat dissipation box 1, air flow generated by the fan 6 flows through the inner side wall of the upper heat dissipation box 1 and the upper surface of the outer air cooling pipe 3, the model of the fan 6 is DLS-CFJ01-1, a plurality of ultrasonic atomizer heads 7 are arranged at the bottom of the lower water storage tank 2 below, the outer wall of storage water tank 2 is provided with thermal insulation layer 8, is close to intercommunication is fixed with filler pipe 9 on the lower storage water tank 2 lateral wall of outer wind cold-blast pipe 3, metal fin 10 is connected at the outer wall of last radiator box 1, sealed cowling 11 is settled in last radiator box 1, just fixed mounting has fan 6 in the sealed cowling 11, just the junction of sealed cowling 11 and fan 6 is provided with sealing washer 12.
The outer side surface of the upper heat dissipation box 1 is respectively fixed with a plurality of metal heat dissipation fins 10 which are vertical to the surface of the upper heat dissipation box 1, the metal heat dissipation fins 10 are arranged in parallel, the heat dissipation effect of the upper heat dissipation box 1 is improved, the motor of the fan 6 is wrapped by the sealing cover 11 which is supported in the upper heat dissipation box 1, the penetrating part of the motor is sleeved with the sealing ring 12 which is in contact with the sealing cover 11, the motor of the fan 6 is better protected, the heat preservation and insulation layer 8 is wrapped and tightly attached to the outer part of the lower water storage tank 2, when in use, the lower water storage tank 2 for storing water can effectively avoid the freezing phenomenon caused by low temperature in winter through heat preservation and insulation, the atomizing spray operation can be ensured all the time, the ultrasonic atomizer heads 7 are arranged at the bottom of the lower water storage tank 2, and are connected in parallel between the ultrasonic atomizer heads 7, so that the work of, can arouse the cooling water in the lower storage water tank 2 and produce the fog, the fog sprays on the upper surface of last heat dissipation case 1 inside wall and outer wind cold air pipe 3 through blast pipe 4 and fan 6, and a large amount of heats are taken away in the drive of steam and wind, makes outer wind cold air pipe 3 temperature reduce rapidly through last heat dissipation case 1, and cooling effect is more comprehensive more high-efficient, go up heat dissipation case 1 and lower storage water tank 2 and communicate through blast pipe 4 and back flow 5 that run through outer wind cold air pipe 3, can form the circulation atomizing and spray, the water phase is in sealed circulation, plays heat-radiating medium's effect, and the almost anhydrous loss of whole cooling process has practiced thrift the water resource greatly, is favorable to the enterprise to reduce the operation cost.
The working principle is as follows: when using this an auxiliary spray device for direct current converter station outer forced air cooling, the cooling water in storage water tank 2 produces the fog under the work arouses by multiunit ultrasonic nebulizer head 7, and the fog sprays on the upper surface of last heat dissipation case 1 inside wall and outer wind cooling pipe 3 through blast pipe 4 fan 6, and a large amount of heats are taken away in the drive of steam and wind, makes outer wind cooling pipe 3 temperature reduce rapidly through last heat dissipation case 1 to realize the outer forced air cooling's of direct current converter station supplementary cooling.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an auxiliary spray set that is used for outer forced air cooling of direct current converter station which characterized in that: the device comprises an upper heat dissipation box (1), a lower water storage box (2), an external air cooling pipe (3), an exhaust pipe (4), a return pipe (5), a fan (6), an ultrasonic atomizer head (7), a heat preservation and insulation layer (8), a water adding pipe (9), a metal heat dissipation sheet (10), a sealing cover (11) and a sealing ring (12); the device is characterized in that the upper heat dissipation box (1) and a lower water storage tank (2) made of plastic form a main structure of the device, the upper heat dissipation box (1) is arranged above the lower water storage tank (2), the upper surface of the outer air cooling pipe (3) is fixedly connected with the upper heat dissipation box (1), the lower surface of the outer air cooling pipe (3) is fixedly connected with the lower water storage tank (2), two ends of the upper heat dissipation box (1) and the lower water storage tank (2) are respectively communicated with a return pipe (5) through an exhaust pipe (4) which penetrates through the outer air cooling pipe (3) and has a diameter smaller than that of the outer air cooling pipe (3), a fan (6) which blows air from an exhaust pipe (4) to the return pipe (5) is fixed in the upper heat dissipation box (1), air flow generated by the fan (6) flows through the inner side wall of the upper heat dissipation box (1) and the upper surface of the outer air cooling pipe (3), a plurality of ultrasonic atomizer heads (7) are arranged at the bottom of, the outer wall of storage water tank (2) is provided with thermal insulation layer (8), is close to intercommunication is fixed with filler pipe (9) on the lower storage water tank (2) lateral wall of outer wind cold-blast pipe (3), metal fin (10) are connected at the outer wall of last radiating box (1), install in last radiating box (1) seal boot (11), just fixed mounting has fan (6) in seal boot (11), just seal boot (11) are provided with sealing washer (12) with the junction of fan (6).
2. The auxiliary spraying device for the external air cooling of the direct current converter station according to claim 1, characterized in that: the outer side surface of the upper heat dissipation box (1) is respectively fixed with a plurality of metal heat dissipation fins (10) vertical to the surface of the upper heat dissipation box (1), and the metal heat dissipation fins (10) are arranged in parallel.
3. The auxiliary spraying device for the external air cooling of the direct current converter station according to claim 1, characterized in that: the motor of the fan (6) is wrapped by a sealing cover (11) supported in the upper heat dissipation box (1), and a sealing ring (12) in contact with the sealing cover (11) is sleeved at the penetrating position of the motor.
4. The auxiliary spraying device for the external air cooling of the direct current converter station according to claim 1, characterized in that: the heat insulation layer (8) is wrapped and closely attached to the outer part of the lower water storage tank (2).
5. The auxiliary spraying device for the external air cooling of the direct current converter station according to claim 1, characterized in that: the ultrasonic atomizer heads (7) are arranged at the bottom of the lower water storage tank (2), and the ultrasonic atomizer heads (7) are connected in parallel.
6. The auxiliary spraying device for the external air cooling of the direct current converter station according to claim 1, characterized in that: the upper heat dissipation box (1) is communicated with the lower water storage box (2) through an exhaust pipe (4) and a return pipe (5) which penetrate through the outer air cooling pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451861.XU CN210537182U (en) | 2019-04-04 | 2019-04-04 | Auxiliary spraying device for external air cooling of direct current converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451861.XU CN210537182U (en) | 2019-04-04 | 2019-04-04 | Auxiliary spraying device for external air cooling of direct current converter station |
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| Publication Number | Publication Date |
|---|---|
| CN210537182U true CN210537182U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920451861.XU Expired - Fee Related CN210537182U (en) | 2019-04-04 | 2019-04-04 | Auxiliary spraying device for external air cooling of direct current converter station |
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| Country | Link |
|---|---|
| CN (1) | CN210537182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114745924A (en) * | 2022-04-21 | 2022-07-12 | 国网湖北省电力有限公司直流公司 | Auxiliary sprayer for external air cooling of direct current converter station |
-
2019
- 2019-04-04 CN CN201920451861.XU patent/CN210537182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114745924A (en) * | 2022-04-21 | 2022-07-12 | 国网湖北省电力有限公司直流公司 | Auxiliary sprayer for external air cooling of direct current converter station |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 |
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| CF01 | Termination of patent right due to non-payment of annual fee |