CN201818442U - Heat exchange system of direct-drive wind generating set - Google Patents
Heat exchange system of direct-drive wind generating set Download PDFInfo
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- CN201818442U CN201818442U CN2010205590657U CN201020559065U CN201818442U CN 201818442 U CN201818442 U CN 201818442U CN 2010205590657 U CN2010205590657 U CN 2010205590657U CN 201020559065 U CN201020559065 U CN 201020559065U CN 201818442 U CN201818442 U CN 201818442U
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- engine room
- air
- heat exchange
- heat exchanger
- air channel
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a heat exchange system of a direct-drive wind generating set, belonging to the technical field of the wind generating set. The heat exchange system comprises a heat exchanger, an internal circulation fan, an external circulation fan and an engine room wall air duct arranged on the inner wall of an engine room cover, wherein an internal circulation inlet channel of the heat exchanger is connected with an air outlet of the engine room wall air duct, and an internal circulation outlet channel of the heat exchanger is connected with the internal circulation fan; the external circulation fan is arranged in an external circulation outlet channel of the heat exchanger; an air outlet of the external circulation outlet channel is connected at an air outlet of the engine room cover in a sealing way and is communicated with the outside; and when in work, an air inlet of the engine room wall air duct is connected with an air outlet of a unit electric generator. The heat exchange system realizes heat exchange between internal circulating air and external circulating air and ensures the internal circulating air and external circulating air not to be mixed together. After heat exchange, the temperature of the internal circulating air is reduced, and the internal circulating air is discharged into an engine room through the internal circulation outlet channel; and after heat exchange, the temperature of the external circulating air is increased, and the external circulating air is directly discharged outside the engine room through the external circulation outlet channel; therefore, the temperature in the engine room is effectively reduced.
Description
Technical field
The invention belongs to the wind-driven generator technical group field, particularly relate to a kind of direct wind-driven generator group heat-exchange system, be applicable to marine direct wind-driven generator group.
Technical background
The direct wind-driven generator group has been cancelled heavy, the baroque step-up gear of quality, and number of spare parts is wanted much less than double-fed wind power generator group, thereby has improved the reliability and the utilization ratio of wind power generating set; Simultaneously, the direct wind-driven generator group adopts the full power converter technique, can significantly improve the quality of power supply, alleviates the impact to electrical network, and passes through function than the easier realization low voltage of double-fed wind power generator group, satisfies the needs of electrical network to wind-electricity integration.In view of above remarkable advantage, the correlation technique of direct wind-driven generator group is able to fast development in recent years.At present domesticly developed direct wind-driven generator groups such as 1.5MW, 2.5MW, and to be incorporated into the power networks.But it is blank that 3.0MW direct wind-driven generator group still belongs at home, and how tame main frame manufacturer is stepping up in the research and development.
For the wind-powered electricity generation industrial market, because the offshore wind turbine cost is bigger, the single-machine capacity that promotes wind power generating set becomes inexorable trend.The characteristics that humidity of the air is big in the ocean climate, salinity is high just become one of difficult problem that need overcome.Adopt hermetically sealed cabin, and be equipped with dehumidifying, anti-salt fog system guarantees the component normally operation in projected life in the cabin.The cabin of sealing is that the complete machine heat radiation has brought severe difficulty.
Summary of the invention
At the technical problem of above-mentioned existence, the invention provides a kind of direct wind-driven generator group heat-exchange system, it can reduce the temperature of engine room inside.Be applicable to marine direct wind-driven generator group.
To achieve these goals, technological scheme of the present invention is as follows:
The present invention includes heat exchanger, interior circulating fan, outer circulation blower fan and place the machinery space bulkhead air channel of engine room cover inwall, the interior loop head passage of described heat exchanger is connected with machinery space bulkhead air channel exhaust outlet, loop exit passage is connected with interior circulating fan in it, the outer circulation blower fan places in the outer circulation outlet passage of heat exchanger, the exhaust outlet of outer circulation outlet passage is sealedly connected on the exhaust outlet place of engine room cover, with outside UNICOM, during work, the intake grill in machinery space bulkhead air channel is connected with the set generator exhaust outlet.
Described machinery space bulkhead air channel is the glass fibre reinforced plastics air channel, and its exhaust outlet is connected with interior loop head passage by bellows.
The present invention has following advantage:
The present invention connects inside and outside circulating fan respectively on heat exchanger, and interior circulating fan is connected with the set generator exhaust outlet by the machinery space bulkhead air channel, the outer circulation blower fan places in the outer circulation outlet passage with nacelle exterior UNICOM, has realized the heat exchange between the inside and outside circulating air and don't they are mixed each other.The inner circulating air temperature of finishing heat exchange reduces, and is drained into engine room inside by interior loop exit passage; The outer circulation air raises through heat exchange temperature, directly enters nacelle exterior by the outer circulation outlet passage.Effectively reduce the temperature in the cabin.
Machinery space bulkhead air channel among the present invention possesses following advantage: 1. saved the space of engine room inside, simplified the structure for along the glass fibre reinforced plastics air channel that the cabin inwall has; 2. glass fibre reinforced plastic material is corrosion-resistant, and the life-span in glass fibre reinforced plastics air channel is longer than the life-span of soft passage, can reach 20 years according to designing requirement, has improved the reliability of equipment greatly; 3. the heat conductivity of glass fibre reinforced plastic material is low, only is 1.25-1.67kJ/ (mhK) under the room temperature.The glass fibre reinforced plastics air channel can effectively reduce the thermal radiation to cabin of hot air in transmission course, has reduced the temperature of engine room inside indirectly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the linkage structure schematic representation of heat exchanger part among Fig. 1.
Fig. 3 is a machinery space bulkhead air channel perspective view among Fig. 1.
Among the figure: 1. intake grill, 2. machinery space bulkhead air channel, 3. bellows, 4. in loop head, 5. exhaust outlet, 6. outer circulation outlet passage, 7. in the loop exit passage, 8. in circulating fan, 9. heat exchanger, 10. outer circulation blower fan, 11. base plates, 12. engine room cover.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
Embodiment 1: as Fig. 1, Fig. 2, shown in Figure 3, the present invention includes heat exchanger 9, interior circulating fan 8, outer circulation blower fan 10 and place the machinery space bulkhead air channel 2 of engine room cover 12 inwalls, described heat exchanger 9 is fixed in the engine room cover 12 by base plate 11, loop head passage 4 is connected with the exhaust outlet in machinery space bulkhead air channel 2 in it, loop exit passage 7 is connected with interior circulating fan 8 in it, outer circulation blower fan 10 places in the outer circulation outlet passage 6 of heat exchanger 9, the exhaust outlet 5 of outer circulation outlet passage 6 is sealedly connected on the exhaust outlet place of engine room cover 12, with outside UNICOM, during work, the intake grill 1 in machinery space bulkhead air channel 2 is connected with the set generator exhaust outlet.
As Fig. 1, shown in Figure 3, this routine described machinery space bulkhead air channel 2 is the glass fibre reinforced plastics air channel, and its exhaust outlet is connected with interior loop head passage 4 by bellows 3.This example is installed two heat-exchange systems of the present invention in engine room cover 12, adopt air-air heat exchange method, and the transfer of heat that is used for generator is produced does not make the engine room inside air mix with outside air again in the nacelle exterior environment.
When this example reached critical value when generator-temperature detection, heat-exchange system started.Heat exchanger 9 models are JHE0850-0900-040-2EDK-2-0-0-0900, and its heat-exhcanger core is the hollow sheeting slice structure, and the spoiler on its plate can increase the efficiently radiates heat area.Heat exchanger 9 is arranged in nacelle rear, and loop head passage 4 links by machinery space bulkhead air channel 2 and generator exhaust outlet in it.As shown in Figure 2, during work, the hot air that generator is produced by interior circulating fan 8 is in interior circulation air path suction heat exchanger 9, and the blower fan of outer circulation simultaneously 10 is pumped into extraneous natural air in the heat exchanger 9 through outer circulation outlet passage 6.Though inside and outside circuit air all comes together in the heat exchanger 9, but difference is: interior circuit hot air is partly to pass through from the inner hollow of plate, and the cool air of outer circulation passes through between the plate, and inside and outside circuit air channel is not communicated with each other.Like this, just realized the heat exchange between the inside and outside circulating air and don't they are mixed each other.The inner circulating air temperature of finishing heat exchange reduces, and is drained into engine room inside by interior loop exit passage 7; The outer circulation air raises through heat exchange temperature, directly enters nacelle exterior by outer circulation outlet passage 6.
This routine described machinery space bulkhead air channel 2 is glass fibre reinforced plastics air channels of directly making on the two side in the cabin, is communicated with by bellows 3 between interior circulation air path and glass fibre reinforced plastics air channel.By the overall structural arrangement of heat-exchange system in this example in the cabin, the hot air that generator is discharged is through a short circle circulation, and its temperature is the highest can to reduce by 30 ℃, thereby can guarantee blower fan normally operation under full load condition.
Claims (2)
1. direct wind-driven generator group heat-exchange system, it is characterized in that: comprise heat exchanger, interior circulating fan, outer circulation blower fan and place the machinery space bulkhead air channel of engine room cover inwall, the interior loop head passage of described heat exchanger is connected with machinery space bulkhead air channel exhaust outlet, loop exit passage is connected with interior circulating fan in it, the outer circulation blower fan places in the outer circulation outlet passage of heat exchanger, the exhaust outlet of outer circulation outlet passage is sealedly connected on the exhaust outlet place of engine room cover, with outside UNICOM, during work, the intake grill in machinery space bulkhead air channel is connected with the set generator exhaust outlet.
2. direct wind-driven generator group heat-exchange system according to claim 1 is characterized in that: described machinery space bulkhead air channel is the glass fibre reinforced plastics air channel, and its exhaust outlet is connected with interior loop head passage by bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205590657U CN201818442U (en) | 2010-10-13 | 2010-10-13 | Heat exchange system of direct-drive wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205590657U CN201818442U (en) | 2010-10-13 | 2010-10-13 | Heat exchange system of direct-drive wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818442U true CN201818442U (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205590657U Expired - Fee Related CN201818442U (en) | 2010-10-13 | 2010-10-13 | Heat exchange system of direct-drive wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818442U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619706A (en) * | 2012-04-27 | 2012-08-01 | 东方电气集团东方汽轮机有限公司 | Offshore wind power generation unit |
| CN103178657A (en) * | 2011-12-20 | 2013-06-26 | 北京金风科创风电设备有限公司 | Heat dissipation structure of wind driven generator |
| CN106523301A (en) * | 2016-12-19 | 2017-03-22 | 国电联合动力技术(连云港)有限公司 | Pressurization and dehumidification device for cabin of marine wind turbine generator system |
| CN107642466A (en) * | 2017-10-18 | 2018-01-30 | 江苏兆胜科技股份有限公司 | A kind of marine high-power half directly drives hollow cooler |
-
2010
- 2010-10-13 CN CN2010205590657U patent/CN201818442U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178657A (en) * | 2011-12-20 | 2013-06-26 | 北京金风科创风电设备有限公司 | Heat dissipation structure of wind driven generator |
| CN102619706A (en) * | 2012-04-27 | 2012-08-01 | 东方电气集团东方汽轮机有限公司 | Offshore wind power generation unit |
| CN106523301A (en) * | 2016-12-19 | 2017-03-22 | 国电联合动力技术(连云港)有限公司 | Pressurization and dehumidification device for cabin of marine wind turbine generator system |
| CN106523301B (en) * | 2016-12-19 | 2024-02-09 | 国能联合动力技术(连云港)有限公司 | Cabin pressurizing and dehumidifying device of offshore wind turbine generator system |
| CN107642466A (en) * | 2017-10-18 | 2018-01-30 | 江苏兆胜科技股份有限公司 | A kind of marine high-power half directly drives hollow cooler |
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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: 20110504 Termination date: 20181013 |