CN206707945U - A kind of cooling system of wind turbine power generation unit - Google Patents

A kind of cooling system of wind turbine power generation unit Download PDF

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Publication number
CN206707945U
CN206707945U CN201720463051.7U CN201720463051U CN206707945U CN 206707945 U CN206707945 U CN 206707945U CN 201720463051 U CN201720463051 U CN 201720463051U CN 206707945 U CN206707945 U CN 206707945U
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CN
China
Prior art keywords
heat exchanger
power generation
wind turbine
generation unit
turbine power
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CN201720463051.7U
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Chinese (zh)
Inventor
王立群
刘铭
郝锦鹏
李健
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Datang Shandong Yantai Electric Power Development Co Ltd
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Datang Shandong Yantai Electric Power Development Co Ltd
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Priority to CN201720463051.7U priority Critical patent/CN206707945U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model provides a kind of cooling system of wind turbine power generation unit, belongs to technical field of wind power generator.Purpose is that solve the cooling line of blower fan generator set heat radiation system in the prior art and part to set unreasonable, and coolant circulation line has many places intersection, the problem of can not obtaining optimal radiating effect in actual use.Cooling system, including pumping plant, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, water collector, water knockout drum, 3rd heat exchanger is arranged on outside blower fan nacelle, First Heat Exchanger is arranged on above the generator of wind turbine power generation unit, second heat exchanger is arranged on above the gear-box of wind turbine power generation unit, the water inlet of the delivery port connection pumping plant of 3rd heat exchanger, the delivery port connection water knockout drum water inlet of pumping plant, water knockout drum, water collector control the Inlet and outlet water of the second heat exchanger and the 3rd heat exchanger.The cooling system of wind turbine power generation unit of the present utility model is particularly suitable for installing and using in the Large-scale Wind Turbines higher to cooling requirements.

Description

A kind of cooling system of wind turbine power generation unit
Technical field
Technical field of wind power generator is the utility model is related to, particularly relates to a kind of cooling system of wind turbine power generation unit.
Background technology
Blower fan is wind-driven generator, is a kind of widely used TRT using clean energy resource.
For the especially large-scale wind-driven generator of blower fan, one of the problem of radiating is maximum in use.Transported in blower fan During row, the generator set device in cabin can produce substantial amounts of heat, if timely these heats can not be discharged, just The normal work of generating set can be influenceed, it has to shut down cooling, have a strong impact on the efficiency of unit.
The cooling system of current existing wind turbine power generation unit has air-cooled, water cooling, air-cooled and water cooling three kinds of masters such as to be combined Mode is wanted, air cooling way is not the optimal type of cooling, big due to easily bringing the dust in external environment condition into engine room inside In type blower fan, generating set is typically to be cooled down with the mode of water cooling.
The operating efficiency of cooling heat radiation system be people be concerned about a major issue, existing generating set water-cooling In system, Chinese utility model patent CN 205823599U, a kind of cooler environment of enclosed wind turbine power generation unit is disclosed System, although it possesses the basic function of water-cooling, because its cooling line and part set unreasonable, cooling There is many places intersection in liquid circulation line, can not obtain optimal radiating effect in actual use.
Utility model content
The technical problems to be solved in the utility model is the cooling line of blower fan generator set heat radiation system in the prior art With part set it is unreasonable, there is many places intersection in coolant circulation line, can not obtain optimal radiating in actual use The problem of effect.
In order to solve the above technical problems, of the present utility model implement to provide a kind of cooling system of wind turbine power generation unit, bag Include pumping plant, the cooling system of the wind turbine power generation unit also includes First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, catchmented Device, water knockout drum, other parts are arranged at blower fan nacelle in addition to the 3rd heat exchanger in the cooling system of the wind turbine power generation unit Inside, the First Heat Exchanger are arranged on above the generator of wind turbine power generation unit, and second heat exchanger is arranged on blower fan hair Above the gear-box of group of motors, the water inlet of the delivery port connection pumping plant of the 3rd heat exchanger, the delivery port connection point of pumping plant Water heater inlet mouth, water knockout drum delivery port are respectively communicated with First Heat Exchanger, the water inlet of the second heat exchanger, First Heat Exchanger, second The delivery port of heat exchanger connects the water inlet of water collector, and the delivery port of water collector connects the 3rd heat exchanger water inlet.
Further, the First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger are plate type heat exchanger.
Further, it is also connected with expansion drum between the 3rd heat exchanger and pumping plant.
Further, it is also connected with water purifier between the expansion drum and pumping plant.
Further, it is also connected with sealant supplement cylinder between the water purifier and expansion drum.
Further, the sealant supplement cylinder is provided with valve.
Above-mentioned technical proposal of the present utility model has the beneficial effect that:
In such scheme, by designing a kind of cooling system of wind turbine power generation unit, mainly pass through system unit and pipeline The improvement of setting, compared to existing water-cooling heat radiating system, coolant circulation is more unobstructed, and system configuration is more reasonable, cooling effect Fruit is more preferable.The cooling system of wind turbine power generation unit of the present utility model is particularly suitable for the large scale wind hair higher to cooling requirements Installed and used in group of motors.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the cooling system of wind turbine power generation unit of the present utility model;
Fig. 2 is the structural representation of the heat exchanger of wind turbine power generation unit of the present utility model;
Fig. 3 is structure and the annexation signal of the main coolant circulation member of wind turbine power generation unit of the present utility model Figure.
[main element symbol description]
1st, pumping plant;
2nd, First Heat Exchanger;
3rd, the second heat exchanger;
4th, the 3rd heat exchanger;
5th, water collector;
6th, water knockout drum;
7th, expansion drum;
8th, water purifier;
9th, sealant supplement cylinder;
10th, valve.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing And specific embodiment is described in detail.
The utility model is to solve the cooling line of blower fan generator set heat radiation system in the prior art and part setting Unreasonable, there is many places intersection in coolant circulation line, the problem of optimal radiating effect can not be obtained in actual use and Design.
As shown in figure 1, the cooling system of wind turbine power generation unit, critical piece changes including pumping plant 1, First Heat Exchanger 2, second Hot device 3, the 3rd heat exchanger 4, wherein, the 3rd heat exchanger 4 is arranged on the outside of blower fan nacelle, for carrying out hot friendship with extraneous air Change, the coolant in circulation line is cooled, the generator heat-radiation of the predominantly generating set of First Heat Exchanger 2, the second heat exchanger 3 Predominantly the box portion radiating of generating set, First Heat Exchanger 2, the second heat exchanger 3 are intake and controlled by water knockout drum 6, and first Heat exchanger 2, the water outlet of the second heat exchanger 3 are controlled by water collector 5.
As shown in Fig. 2 in the present embodiment, what First Heat Exchanger 2, the second heat exchanger 3, the 3rd heat exchanger 4 used is Plate type heat exchanger, plate type heat exchanger be formed by a series of sheet metal closed assemblies with certain bellows-shaped it is a kind of new and effective Heat exchanger.Thin rectangular shape passage is formed between various plates, heat exchange is carried out by plate.Plate type heat exchanger be liquid-liquid, liquid- Vapour carries out the ideal equipment of heat exchange.It has small heat exchange efficiency height, heat loss, advantages of compact and light structure, floor space is small, installs It is easy to clean, be widely used, the features such as service life is long.Under uniform pressure damaed cordition, its ratio of heat transfer coefficient shell and tube changes Hot device is high 3-5 times, and floor space is 1/3rd of pipe heat exchanger, and heat recovery rate may be up to more than 90%.
As shown in figure 3, in the present embodiment, following improved embodiment is additionally provided:
Expansion drum 7 is connected between 3rd heat exchanger 4 and pumping plant 1, expansion drum 7 is used for when the coolant pressure in circulation line Become hour raising pressure, keep liquid communication smooth, oil or water can be used in cooling medium.
Water purifier 8 is connected between expansion drum 7 and pumping plant 1, water purifier 8 is used to purify coolant.
Sealant supplement cylinder 9 is also connected between water purifier 8 and expansion drum 7, sealant supplement cylinder 9 is used to supplement cooling medium for circulation line. Valve 10, control cooling medium addition are set on sealant supplement cylinder 9.
The operation principle of the cooling system of wind turbine power generation unit provided by the utility model is:
Cooling medium flows out from pumping plant 1, flows into the heat exchanger 3 of First Heat Exchanger 2 and second through water knockout drum 6, is changed first The hot heat exchanger 3 of device 2 and second circulates, and is the cooling of the part such as generator and gear-box, and cooling medium is from the He of First Heat Exchanger 2 The 3rd heat exchanger 4 is flowed into through water collector 5 after being flowed out in second heat exchanger 3, cooling medium carries out heat exchange cooling with outside air, The expanded tank 7 of cooling medium after cooling pressurizes, and after water purifier 8 purifies, flows back to pumping plant 1, continues cycling through.As circulation line lacks Water, then valve 10 is opened, coolant flows into circulation line from sealant supplement cylinder 9, supplements cooling medium.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement The scope of protection of the utility model is also should be regarded as with retouching.

Claims (6)

1. a kind of cooling system of wind turbine power generation unit, including pumping plant, it is characterised in that the radiating system of the wind turbine power generation unit System also includes First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, water collector, water knockout drum, the radiating of the wind turbine power generation unit Other parts are arranged inside blower fan nacelle in addition to the 3rd heat exchanger in system, and the First Heat Exchanger is arranged on wind turbine power generation Above the generator of unit, second heat exchanger is arranged on above the gear-box of wind turbine power generation unit, the 3rd heat exchanger Delivery port connection pumping plant water inlet, the delivery port connection water knockout drum water inlet of pumping plant, water knockout drum delivery port is respectively communicated with the The water inlet of one heat exchanger, the second heat exchanger, First Heat Exchanger, the delivery port of the second heat exchanger connect the water inlet of water collector Mouthful, the delivery port of water collector connects the 3rd heat exchanger water inlet.
2. the cooling system of wind turbine power generation unit according to claim 1, it is characterised in that the First Heat Exchanger, Two heat exchangers, the 3rd heat exchanger are plate type heat exchanger.
3. the cooling system of wind turbine power generation unit according to claim 1, it is characterised in that the 3rd heat exchanger and pump Expansion drum is also connected between standing.
4. the cooling system of wind turbine power generation unit according to claim 3, it is characterised in that the expansion drum and pumping plant it Between be also connected with water purifier.
5. the cooling system of wind turbine power generation unit according to claim 4, it is characterised in that the water purifier and expansion drum Between be also connected with sealant supplement cylinder.
6. the cooling system of wind turbine power generation unit according to claim 5, it is characterised in that the sealant supplement cylinder is provided with valve Door.
CN201720463051.7U 2017-04-28 2017-04-28 A kind of cooling system of wind turbine power generation unit Active CN206707945U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720463051.7U CN206707945U (en) 2017-04-28 2017-04-28 A kind of cooling system of wind turbine power generation unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720463051.7U CN206707945U (en) 2017-04-28 2017-04-28 A kind of cooling system of wind turbine power generation unit

Publications (1)

Publication Number Publication Date
CN206707945U true CN206707945U (en) 2017-12-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108426028A (en) * 2018-01-30 2018-08-21 山东中车风电有限公司 A kind of air to air cooling wind turbine gearbox cooling system and its control method
WO2021248715A1 (en) * 2020-06-09 2021-12-16 新疆金风科技股份有限公司 Cooling system and wind power generator set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108426028A (en) * 2018-01-30 2018-08-21 山东中车风电有限公司 A kind of air to air cooling wind turbine gearbox cooling system and its control method
WO2021248715A1 (en) * 2020-06-09 2021-12-16 新疆金风科技股份有限公司 Cooling system and wind power generator set

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