CN103134340A - Inlet air management device of air cooling island environmental wind management utilization system - Google Patents
Inlet air management device of air cooling island environmental wind management utilization system Download PDFInfo
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- CN103134340A CN103134340A CN2011103759778A CN201110375977A CN103134340A CN 103134340 A CN103134340 A CN 103134340A CN 2011103759778 A CN2011103759778 A CN 2011103759778A CN 201110375977 A CN201110375977 A CN 201110375977A CN 103134340 A CN103134340 A CN 103134340A
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- air cooling
- deflector
- flow guide
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Abstract
The invention discloses an inlet air management device of an air cooling island environmental wind management utilization system, and relates to a system used for managing and utilizing environmental lateral wind around an air cooling island of an air cooling unit of a thermal power plant. The inlet air management device is composed of flow guide plates, a flow guide plate membrane, a communicated wind collection pipe (or an air bellow), an inlet check valve and an air distribution pipeline. According to the inlet air management device of the air cooling island environmental wind management utilization system, the flow guide plates are used for dividing the lower portion of an air cooling platform of the air cooling island into two areas, and due to the fact the inner area is protected by a flow guide plate 2, the inner area can be matched with a draught fan of the air cooling island to build a stable draught fan inlet wind flow field. The middle separation board membrane is used between the flow guide plate 2 and a flow guide plate 1 and divides the outer area into a plurality of flow guide tapes, the wind from the outer area is guided by the flow guide tapes and introduced into the wind collection pipe (or the air bellow) through the check valve designed on the wind collection pipe (or the air bellow), the check valve is closed on a back wind surface or a lateral wind surface, and the wind in the wind collection pipe (or the air bellow) is used as power air flow to be blown towards the air cooling island through the air distribution pipeline.
Description
Technical field
The invention belongs to the thermal power generation field, particularly air cooling island of air cooling unit surrounding environment crosswind is managed the system of utilization.
Background technology
Air-Cooling Island is the key equipment of thermal power plant Air-cooled Unit, is to set up steam turbine vacuum, and the necessary condition that the cold junction thermal source is taken away.Yet due to the existence of environment crosswind, with and the uncontrollability of direction and wind speed, economy, safety, the stable operation of unit has all been brought very large challenge.
The environment crosswind mainly can cause hot reflux, upset air cooling blower fan inlet flow field etc., causes the problems such as the Air-Cooling Island ventilation temperature rises, the ventilation flow field is disorderly, heat transfer effect is poor.Mainly take at present to improve the air cooling platform Height of Wind Break Wall both at home and abroad, reduce the environment Wind effect in ways such as air cooling platform air inlet increase guide vanes.
Present technology mostly rests on and weakens on the aspect of environment crosswind on Air-Cooling Island heat exchange impact, utilizes effect not too obvious to ambient wind.
Summary of the invention
The negative effect that Air-Cooling Island is produced in order fundamentally to overcome the environment crosswind, and the environment crosswind is converted into the low-temperature receiver that can control fully and effectively utilize, the present invention is divided into inside and outside two zones with the heat transmission equipment periphery.Inner region is less to the susceptibility of ambient wind, can coordinate air cooling blower fan to set up to stablize the cold wind source.Outskirt utilizes valley effect and non-return air door, and crosswind is initiatively introduced the pipe (or bellows) of calling prisoners in after letting them out for exercise, and by rectification and cloth wind system, the ambient wind of income is effectively utilized.
Technical scheme of the present invention is as follows:
The air intake management devices of a kind of Air-Cooling Island ambient wind management and utilization system.It is characterized in that: this device is comprised of the pipe (or bellows) of calling prisoners in after letting them out for exercise of deflector, deflector barrier film, connection, non-return flap and wind-distributing pipe road.
Described deflector is by deflector 1(or ground along the ground direction) and with deflector 2(that ground forms certain angle of flare can be curved surface, can be also the plane) form, by deflector 2, Air-Cooling Island air cooling platform bottom is divided into two zones, zone between deflector 2 and Air-Cooling Island is called inner region, deflector 2 and deflector 1(or ground) between the zone be called outskirt.Deflector on each direction utilizes the central dividing plate film to be separated into a plurality of diversion belts between the outside of deflector 2 and deflector 1 as required, and diversion belt be the wind comes from by design at the non-return flap introducing in pipe (or bellows) outside of the calling prisoners in after letting them out for exercise pipe (or bellows) of calling prisoners in after letting them out for exercise this direction.Pipe (or bellows) the mutually UNICOM of calling prisoners in after letting them out for exercise of different directions, the ambient wind after collecting blows to the Air-Cooling Island heat exchanger by the wind-distributing pipe road.The flow distribution in wind-distributing pipe road can be optimized design according to different units flow fields needs, or is designed to adjustable.
Innovative point of the present invention is:
1. deflector 2 can play the effect of windbreak, and the environment crosswind is kept apart, and is subjected to ambient wind to affect very little inner region as the stable air inlet of Air-Cooling Island with foundation.
2. deflector 2 and deflector 1(or ground) set up in different directions different outskirts, each outskirt is separated into little diversion belt as required, utilize the valley effect that the wind of windward side is all collected by diversion belt, and introduce by the non-return flap that root is connected with the pipe (or bellows) of calling prisoners in after letting them out for exercise and call prisoners in after letting them out for exercise pipe (or bellows) as power wind.
3. the pipe (or bellows) of calling prisoners in after letting them out for exercise designs non-return flap on each direction, guarantee that the wind in lee face is called prisoners in after letting them out for exercise pipe (or bellows) can not leak away.
4. the ambient wind after collecting by pipe (or bellows) rectification of calling prisoners in after letting them out for exercise after, blow to the Air-Cooling Island heat exchanger by the wind-distributing pipe road by design direction.
5. can realize that by this device the Air-Cooling Island air intake is even, eliminate the air-flow dead band, and can reduce gas-flow resistance, improve cooling effectiveness, reduce the unit back pressure.
Description of drawings
Fig. 1 is a kind of embodiment schematic diagram provided by the invention.
The specific embodiment
Below in conjunction with accompanying drawing, operation principle of the present invention, concrete structure and enforcement are further described:
Fig. 1 is for the invention provides a kind of embodiment schematic diagram.The present invention utilizes deflector 2 that air cooling platform bottom air intake region separation is inner region and outskirt two zones.Inner region is not subjected to the external environment wind effect substantially owing to being subject to going along with sb. to guard him of deflector 2, can coordinate the Air-Cooling Island blower fan to set up stable blower fan air intake flow field.
When outskirt becomes the windward side, the wind comes from the guiding of diversed plate along deflector 1 outside and deflector barrier film, diversed plate 2 and deflector 1(or ground) between the valley effect that forms of gradual shrinkage runner accelerate, blow to the non-return air door at place, ground.Greater than the pressure in the pipe (or bellows) of calling prisoners in after letting them out for exercise, non-return flap is opened due to extraneous blast, and the pipe (or bellows) of calling prisoners in after letting them out for exercise begins to collect ambient wind.
When outskirt becomes lee face or crosswind face, be not less than the air pressure of outskirt due to the air pressure in the pipe (or bellows) of calling prisoners in after letting them out for exercise, non-return flap is closed, and the air in the pipe (or bellows) of calling prisoners in after letting them out for exercise can not leak.
The pipe (or bellows) of calling prisoners in after letting them out for exercise has been collected and has been formed certain blast after the environment crosswind, upwards blows to air cooling platform by the wind-distributing pipe road.Can realize the wind comes from of whichever direction all is converted into the power wind of the cooling Air-Cooling Island heat exchanger fin that makes progress.
According to the site layout project of Electric Factory Air-Cooling Island, one side is generally arranged by towards boiler, three faces have the possibility of the wind comes from, and arrange this air intake management devices in the direction that can form the side.
Claims (6)
1. the air intake management devices of an Air-Cooling Island ambient wind management and utilization system is characterized in that: this device is comprised of the pipe (or bellows) of calling prisoners in after letting them out for exercise of deflector, deflector barrier film, connection, non-return air door and wind-distributing pipe road.
2. deflector claimed in claim 1, is characterized in that it can being surface plate, can be also curved slab; Plate hight can carry out specific design according to the height of air cooling platform.
3. deflector barrier film claimed in claim 1, is characterized in that at right angle setting (or welding) in the outside of deflector, is divided into a plurality of parts to play with incoming flow wind.
4. the pipe (or bellows) of calling prisoners in after letting them out for exercise claimed in claim 1, is characterized in that being arranged in below air cooling platform, to collect the use of the wind comes from the deflector outside.
5. non-return air door claimed in claim 1 is characterized in that being arranged on and calls prisoners in after letting them out for exercise on pipe (or bellows), with the ambient wind active collection that the deflector guiding is come, and the wind in the pipe (or bellows) that prevents from calling prisoners in after letting them out for exercise leak lee face or crosswind face.
6. wind-distributing pipe claimed in claim 1 road, is characterized in that being connected with the pipe (or bellows) of calling prisoners in after letting them out for exercise, and blows to air cooling heat radiator with wind guiding front that will be wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103759778A CN103134340A (en) | 2011-11-23 | 2011-11-23 | Inlet air management device of air cooling island environmental wind management utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103759778A CN103134340A (en) | 2011-11-23 | 2011-11-23 | Inlet air management device of air cooling island environmental wind management utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103134340A true CN103134340A (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103759778A Pending CN103134340A (en) | 2011-11-23 | 2011-11-23 | Inlet air management device of air cooling island environmental wind management utilization system |
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| CN (1) | CN103134340A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575580Y (en) * | 2002-10-31 | 2003-09-24 | 山东大学 | Thermal circulating energy-saving water heater |
| CN101014817A (en) * | 2004-08-16 | 2007-08-08 | 沃特联合有限公司 | Apparatus and method for cooling of air |
| CN2938001Y (en) * | 2006-08-02 | 2007-08-22 | 黑龙江省华能电力技术有限公司 | Cooling water tower with air guide device |
| CN201289335Y (en) * | 2008-07-14 | 2009-08-12 | 上海金日冷却设备有限公司 | Wind deflector of cooling tower |
| CN201302422Y (en) * | 2008-11-27 | 2009-09-02 | 华北电力大学（保定） | Even air intake guiding device for natural ventilation cooling tower |
| CN102155850A (en) * | 2011-05-06 | 2011-08-17 | 哈尔滨工业大学（威海） | Direct air cooling island windbreak deflecting device for power station |
-
2011
- 2011-11-23 CN CN2011103759778A patent/CN103134340A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575580Y (en) * | 2002-10-31 | 2003-09-24 | 山东大学 | Thermal circulating energy-saving water heater |
| CN101014817A (en) * | 2004-08-16 | 2007-08-08 | 沃特联合有限公司 | Apparatus and method for cooling of air |
| CN2938001Y (en) * | 2006-08-02 | 2007-08-22 | 黑龙江省华能电力技术有限公司 | Cooling water tower with air guide device |
| CN201289335Y (en) * | 2008-07-14 | 2009-08-12 | 上海金日冷却设备有限公司 | Wind deflector of cooling tower |
| CN201302422Y (en) * | 2008-11-27 | 2009-09-02 | 华北电力大学（保定） | Even air intake guiding device for natural ventilation cooling tower |
| CN102155850A (en) * | 2011-05-06 | 2011-08-17 | 哈尔滨工业大学（威海） | Direct air cooling island windbreak deflecting device for power station |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |