CN203396257U - Wind controlling and guiding device of power station air cooling island - Google Patents
Wind controlling and guiding device of power station air cooling island Download PDFInfo
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- CN203396257U CN203396257U CN201320316895.0U CN201320316895U CN203396257U CN 203396257 U CN203396257 U CN 203396257U CN 201320316895 U CN201320316895 U CN 201320316895U CN 203396257 U CN203396257 U CN 203396257U
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Abstract
The utility model relates to a wind controlling and guiding device of a power station air cooling island. The wind controlling and guiding device of the power station air cooling island comprises a plurality of wind controlling and guiding walls arranged around the air cooling island, each wind controlling and guiding wall is composed of inner and outer two layers of louver type wind guiding plates of which the openings can be adjusted, and the axial directions of the rotating shafts of the louvers of the inner and outer two layers of louver type wind guiding plates are vertical with each other. The wind controlling and guiding device of the power station air cooling island can control and guide the environmental wind entering in the power station air cooling island effectively in allusion to various different environmental wind field statuses, thereby making the environmental wind entering in the power station air cooling island be most beneficial to the heat dissipation of the air cooling island. The wind controlling and guiding device of the power station air cooling island is very obvious in application effect, very simple in structure and low in cost, and has remarkable and very important effects on improving the operation economical efficiency and security of an air cooling unit, and possesses a very good popularization and application prospect for the high capacity direct air cooling unit that is put into operation at present.
Description
Technical field
The utility model relates to a kind of tune wind guiding device, especially relate to a kind of control wind guiding device for air cooling island of power plant, in order to regulate speed and the direction that enters the ambient wind in Air-Cooling Island, reach and reduce the object of ambient wind on the impact of Air-Cooling Island radiating effect the high Air-Cooling Island radiating effect of assisted Extraction.
Background technology
Along with developing rapidly of power industry, new clothes thermal power generation unit develops into gradually with large capacity, overcritical, the ultra supercritical unit of attaching most importance to, and water-deficient area (three northern areas of China) are given priority to high-capacity direct and connect Air-cooled Unit.For large quantities of Direct Air-cooled Unit that put into operation of concentrating, improve its performance driving economy and security, extremely urgent.The equipment such as the low-pressure section of Air-Cooling Island, steam turbine and phase Blowing stopper are generically and collectively referred to as the cold junction of Air-cooled Unit, and wherein the heat exchange efficiency of Air-Cooling Island is the key that affects Air-cooled Unit efficiency.Air-Cooling Island is arranged in natural wind field, directly be subject to the impact of surroundings wind field, in general, the factor that affects Air-Cooling Island heat exchange efficiency mainly contains: the layout of the height of the height of ambient wind velocity, wind direction, environment temperature, humidity, Air-Cooling Island self, control wind training wall and structure, on-site factory building itself and geographical position of living in etc., these external conditions play very important effect for the safety and economic operation of Air-cooled Unit.
When environment wind is during to Air-Cooling Island, the hot gas that ambient wind and air cooling heat radiator send carries out heat exchange.Hot gas particle and natural wind particle be doping mutually constantly, what the physical quantitys such as both speed, pressure, temperature all had a random nature on time and space springs up forward phenomenon, and form vortex between Air-Cooling Island and factory building, vortex hot blast is sucked by blower fan again through the space between Air-Cooling Island and factory building, thereby forms hot air reflux; Under atmospheric effect, the hot gas that radiator diffuses out is pushed back suddenly, produces equally hot air reflux simultaneously, causes heat exchange to worsen.In order to weaken the impact of hot air reflux on air cooling heat radiator heat exchange efficiency, the surrounding of the general air cooling platform in Direct Air-cooled Unit builds and controls wind training wall at present, yet, under the effect of surroundings wind field, the windward side of upper control wind training wall can form whirlpool, horizontal direction at fans entrance place forms a negative pressuren zone simultaneously, make all to suck the air-flow of blower fan, because of the effect of negative pressuren zone, entrainmented, on the contrary, the hot-air on air cooling heat radiator top is subject to the effect of surroundings wind field, at control wind training wall top, be folded to suddenly and accelerate downwards, hot-air is entrainmented the air cooling blower fan suction inlet place near control wind training wall under the effect of negative pressuren zone like this, thereby there is " pouring in down a chimney " phenomenon, cause inlet temperature higher than environment temperature, in order to suppress " pouring in down a chimney " phenomenon, some Air-Cooling Islands have installed again time control wind training wall additional, yet add, load after control wind training wall, first row heat exchange unit does not only improve heat transfer effect, heat exchange efficiency is lower on the contrary, this is because produced and streamed when wind runs into airfast lower control wind training wall, be a part of wind vertically upward, part wind vertically downward, especially downward wind and perpendicular to the wind facies mutual effect of lower control wind training wall, below first row blower fan, be camber line and cross first row blower fan, cause the efficiency of first row heat exchange unit lower.
Summary of the invention
The technical problems to be solved in the utility model is: in order to solve " keeping out the wind " technical deficiency that the Air-Cooling Island of current Air-cooled Unit adopts to overcome the surroundings wind field adverse effect that heat exchange brings to Air-Cooling Island, can not effectively improve the heat exchange environment of Air-Cooling Island the problem that help improves heat exchange efficiency, and a kind of control wind guiding device for air cooling island of power plant is disclosed, this control wind guiding device can control effectively and guide entering the ambient wind of air cooling island of power plant for various surroundings wind field situation, thereby the ambient wind that makes to enter Air-Cooling Island is conducive to the heat radiation of Air-Cooling Island (at least can not make ambient wind affect Air-Cooling Island heat radiation) most.
The utility model solves the technical scheme that its technical problem adopts: a kind of control wind guiding device for air cooling island of power plant, include some road control wind training walls of arranging around Air-Cooling Island, each road control wind training wall forms by inside and outside two-layer aperture adjustable shutter formula wind deflector, and the blinds rotating shaft of this inside and outside two-layer aperture adjustable shutter formula wind deflector is axially mutually vertical.This technology is adapted to upper and lower windbreak.
This application process and corresponding effect for the control wind guiding device of air cooling island of power plant is as follows: when ambient wind speed is very high, the blinds Close All of the inside and outside two-layer aperture adjustable shutter formula wind deflector of Jiang Ge road control wind training wall, thereby realize tight seal, can greatly reduce the adverse effect of ambient wind to Air-Cooling Island radiating effect; When ambient wind speed is moderate, blinds to the suitable angle (regulation) of opening the inside and outside two-layer aperture adjustable shutter formula wind deflector of the control wind training wall in windward side guides ambient wind towards the direction that is conducive to Air-Cooling Island heat radiation, meanwhile, the blinds of the inside and outside two-layer aperture adjustable shutter formula wind deflector of the control wind training wall in lee face can be closed (depending on the circumstances); When ambient wind speed is very low, blinds rotating shaft by closing control wind training wall is axially the first half of the aperture adjustable shutter formula wind deflector of horizontal direction (definiteness " half " not, depending on actual height situation) blinds effectively suppress hot air reflux, open the blinds of the latter half (equally not definiteness " half "), to be conducive to Air-Cooling Island heat radiation simultaneously; When without ambient wind, the blinds of the inside and outside two-layer aperture adjustable shutter formula wind deflector of all control wind training walls is all opened, realize the naturally rising of Air-Cooling Island.
For lower windbreak, will meet ambient wind wind direction shutter and all open; Leeward direction louver type baffle is entered to the oblique below of blower fan direction along surrounding air to be opened, after making as far as possible air enter blower fan below, first towards ground, flow, after Dai Yu meets on ground, upwards return and enter blower fan again, extend thus the distance that thermal environment air enters blower fan, overcome surrounding air simultaneously and skim over lower windbreak and cause the problem that first row fan efficiency is low.
For the ease of the automation of implement device, control, each blinds of described aperture adjustable shutter formula wind deflector is controlled aperture by the linkage of self rotating shaft and axle head by drive motors.
Say further, the axial of the blinds rotating shaft of the aperture adjustable shutter formula wind deflector of described each road control wind training wall internal layer is horizontal direction again, and the axial of the blinds rotating shaft of outer field aperture adjustable shutter formula wind deflector is vertical direction.The control wind guide functions that this preferred version can make control wind training wall to the improvement of Air-Cooling Island radiating effect with improve onset better.
Say further again, inside and outside two-layer in the blinds grouping of arbitrary layer of aperture adjustable shutter formula wind deflector arrange, all at least be divided into 3 groups in the horizontal direction or on vertical direction, each windows units of every group of inside and outside two-layer aperture adjustable shutter formula wind deflector that is divided into again at least 3 windows units ，Ge road control wind training walls in vertical direction or horizontal direction is corresponding mutually in distributing position and size.The benefit that the blinds grouping of aperture adjustable shutter formula wind deflector is arranged and be divided into windows units is, can guarantee the structural strength of blinds and whole aperture adjustable shutter formula wind deflector on the one hand, prevent it from deformation occurring when suffering high wind and impaired, impact is used; Facilitate according to actual needs the windows units of grouping is carried out to the division of aperture control area on the other hand, realize the aperture of each region (group) windows units and can establish by independence and freedom tune.
Each blinds of described aperture adjustable shutter formula wind deflector perpendicular to the axial cross section of its rotating shaft, be fusiformis, the blinds of this shape can farthest reduce the eddy current that produces when weakening ambient wind and skim over.
The described control wind training wall of arranging around Air-Cooling Island has 4 roads, and in rectangular layout, and this is most economical, the effective arrangement of control wind training wall.
The beneficial effects of the utility model are: should can to entering the ambient wind of air cooling island of power plant, control effectively and guide (change wind speed and direction) for various surroundings wind field situation for the control wind guiding device of air cooling island of power plant, thereby the ambient wind that makes to enter Air-Cooling Island is conducive to the heat radiation of Air-Cooling Island (at least can not make ambient wind affect Air-Cooling Island heat radiation) most, effect is very remarkable, to improving economy and the security of Air-cooled Unit operation, has played remarkable and vital effect.Should be also very simple for the control wind guiding device structure of air cooling island of power plant, cost is low, connects Air-cooled Unit have fabulous popularizing application prospect for the high-capacity direct putting into operation at present.
Accompanying drawing explanation
Fig. 1 is the structural representation of control wind guiding device of the present utility model.
Fig. 2 is the structural representation of control wind training wall of the present utility model.
Fig. 3, Fig. 4 are the keep out the wind structural representation of wind deflector of adjustable shutter formula of the present utility model, and in Fig. 3, the rotating shaft of blinds is axially horizontal direction, and in Fig. 4, the rotating shaft of blinds is axially vertical direction.
Fig. 5 be blinds of the present utility model perpendicular to the axial schematic cross-section of its rotating shaft.
In figure: 1. the control wind training wall 1-1. aperture adjustable shutter formula wind deflector that keeps out the wind
1-1-1. blinds 1-1-2. linkage.
The specific embodiment
A kind of control wind guiding device for air cooling island of power plant, as shown in Figures 1 to 4, it includes in the some road control wind training wall 1(Fig. 1 that arrange around Air-Cooling Island is 4 roads, the orthogonal surrounding that is configured in Air-Cooling Island of this 4 road control wind training wall, basic comprising is around a circle of Air-Cooling Island, during multiple tracks, being multiple tracks control wind training wall becomes polygon to be configured in the surrounding of Air-Cooling Island, around Air-Cooling Island, form a circle training wall), each road control wind training wall 1 is by interior, outer two-layer aperture adjustable shutter formula wind deflector 1-1 forms, and this is interior, the blinds 1-1-1 rotating shaft of outer two-layer aperture adjustable shutter formula wind deflector 1-1 axially mutually vertical.
Each blinds 1-1-1 of aperture adjustable shutter formula wind deflector 1-1 controls aperture by the linkage 1-1-2 of self rotating shaft and axle head by drive motors, and the automation of implement device is controlled.
The axial of the blinds 1-1-1 rotating shaft of the aperture adjustable shutter formula wind deflector 1-1 of each road control wind training wall 1 internal layer is horizontal direction, the blinds 1-1-1 rotating shaft of outer field aperture adjustable shutter formula wind deflector 1-1 be axially vertical direction, thereby the control wind guide functions of order control wind training wall 1 is to the improvement of Air-Cooling Island radiating effect and improve onset better.
Inside and outside two-layer in the blinds 1-1-1 grouping of arbitrary layer of aperture adjustable shutter formula wind deflector 1-1 arrange, all at least form 3 groups in the horizontal direction or on vertical direction, each windows units of every group of inside and outside two-layer aperture adjustable shutter formula wind deflector 1-1 that is divided into again at least 3 windows units ，Ge road control wind training walls 1 in vertical direction or horizontal direction is corresponding mutually in distributing position and size.Guarantee so on the one hand the structural strength of blinds 1-1-1 and whole aperture adjustable shutter formula wind deflector 1-1, prevent that it from deformation occurring when suffering high wind and impaired, impact is used; Facilitate according to actual needs the windows units of grouping is carried out to the division of aperture control area on the other hand, realize the aperture of each region (group) windows units and can establish by independence and freedom tune.
So, the blinds 1-1-1 in the vertical direction of the aperture adjustable shutter formula wind deflector 1-1 of control wind training wall 1 internal layer is divided at least 3 groups, every group has at least 3 windows units in the horizontal direction, the rotating shaft axle head of the blinds 1-1-1 of every group window unit is installed a linkage 1-1-2, with the unified aperture of controlling the blinds 1-1-1 of this group window unit, and the blinds 1-1-1 of outer field aperture adjustable shutter formula wind deflector 1-1 is divided at least 3 groups in the horizontal direction, every group of in the vertical direction has at least 3 windows units, but, because the rotating shaft of the blinds 1-1-1 of outer field aperture adjustable shutter formula wind deflector 1-1 is axially vertical direction, add the mating reaction of the aperture adjustable shutter formula wind deflector 1-1 of internal layer, so generally do not need grouping to regulate aperture, therefore, the blinds 1-1-1 unification of each group window unit of outer field aperture adjustable shutter formula wind deflector 1-1 realizes regulation by a linkage, concrete form as linkage 1-1-2, can be known various blinds opening adjustment mechanisms, at this, be not specifically limited.
Each blinds 1-1-1 of aperture adjustable shutter formula wind deflector 1-1 is fusiformis (referring to Fig. 5) perpendicular to the axial cross section of its rotating shaft, and the blinds 1-1-1 of this shape can farthest reduce the eddy current that produces while skimming over weakening ambient wind.
For fear of inside and outside two-layer aperture adjustable shutter formula wind deflector 1-1 when the aperture of adjusting separately, interfere with each other, the blinds that the distance between inside and outside two-layer aperture adjustable shutter formula wind deflector 1-1 is preferably not less than internal layer aperture adjustable shutter formula wind deflector 1-1 at the blinds perpendicular to the axial projected length of rotating shaft and outer aperture adjustable shutter formula wind deflector 1-1 perpendicular to half of the axial projected length sum of rotating shaft.
The control wind training wall 1 of arranging around Air-Cooling Island has 4 roads, and in rectangular layout, and this is control wind training wall 1 most economical, effective arrangement.
Application process and corresponding effect according to the control wind guiding device for air cooling island of power plant of above-described embodiment are as follows: when ambient wind speed is very high, all blinds 1 ?1 ?1 Close All of inside and outside two-layer aperture adjustable shutter formula wind deflector 1 ?1 of Jiang Ge road control wind training wall 1, thereby realize tight seal, can greatly reduce the adverse effect of ambient wind to Air-Cooling Island radiating effect; When ambient wind speed is moderate, open the control wind training wall 1 in windward side inside and outside two-layer aperture adjustable shutter formula wind deflector 1 ?all blinds of 11 ?1 ?1 ambient wind is guided towards the direction that is conducive to Air-Cooling Island heat radiation to suitable angle (regulation), meanwhile, the inside and outside two-layer aperture adjustable shutter formula wind deflector 1 of the control wind training wall 1 in lee face ?all blinds of 11 ?1 ?1 can close (depending on the circumstances); When ambient wind speed is very low, by close control wind training wall 1 internal layer aperture adjustable shutter formula wind deflector 1 ?on 1 top one group or several group windows unit blinds 1 ?1 ?1 effectively suppress hot air reflux, open simultaneously this internal layer aperture adjustable shutter formula wind deflector 1 ?1 beneath one group or several group windows unit blinds 1 ?1 ?1, to be conducive to Air-Cooling Island heat radiation; When without ambient wind, all blinds 1 ?1 ?1 of inside and outside two-layer aperture adjustable shutter formula wind deflector 1 ?1 of all control wind training walls 1 is all opened, realize the naturally rising of Air-Cooling Island.Aperture adjustable shutter formula wind deflector 1 ?all blinds of 11 ?1 ?1 aperture by drive motors, control.
It should be noted that, in practice, for the upper windbreak (above controlling wind training wall) of air cooling island of power plant and at least one of lower windbreak (lower control wind training wall), adopt the shutter of above-mentioned control wind guiding device.The apical position of upper windbreak comprises following several situation: be parallel to steam-distributing pipe center line, be parallel to steam-distributing pipe top and be parallel to a kind of in steam-distributing pipe bottom, lower windbreak is positioned at the lower limb of air cooling island of power plant, its particular location can be set according to actual conditions, is connected or concordant with the blower fan place face of Air-Cooling Island than the top of following windbreak with the bottom of upper windbreak.
Although above-described embodiment is discussed with the structure of inside and outside two-layer aperture adjustable shutter formula wind deflector, the actual structure that only retains one deck aperture adjustable shutter formula wind deflector that also can adopt.
Above-described embodiment is only for the utility model of explaining, but not restriction to the utility model rights protection, the change of every any unsubstantiality carrying out on the basis of the utility model essence scheme, all should fall in protection domain of the present utility model.
Claims (7)
1. for a control wind guiding device for air cooling island of power plant, include some road control wind training walls (1) of arranging around Air-Cooling Island, it is characterized in that:
Each road control wind training wall (1) forms by inside and outside two-layer aperture adjustable shutter formula wind deflector (1-1), and blinds (1-1-1) rotating shaft of this inside and outside two-layer aperture adjustable shutter formula wind deflector (1-1) is axially mutually vertical.
2. the control wind guiding device for air cooling island of power plant according to claim 1, is characterized in that:
Each blinds (1-1-1) of described aperture adjustable shutter formula wind deflector (1-1) is controlled aperture by the linkage (1-1-2) of self rotating shaft and axle head by drive motors.
3. the control wind guiding device for air cooling island of power plant according to claim 1, is characterized in that:
The axial of blinds (1-1-1) rotating shaft of the aperture adjustable shutter formula wind deflector (1-1) of described each road control wind training wall (1) internal layer is horizontal direction, and the axial of blinds (1-1-1) rotating shaft of outer field aperture adjustable shutter formula wind deflector (1-1) is vertical direction.
4. the control wind guiding device for air cooling island of power plant according to claim 1, is characterized in that:
Inside and outside two-layer in blinds (1-1-1) grouping of arbitrary layer of aperture adjustable shutter formula wind deflector (1-1) arrange, all at least be divided into 3 groups in the horizontal direction or on vertical direction, each windows units of every group of inside and outside two-layer aperture adjustable shutter formula wind deflector (1-1) that is divided into again at least 3 windows units ，Ge road control wind training walls (1) in vertical direction or horizontal direction is corresponding mutually in distributing position and size.
5. the control wind guiding device for air cooling island of power plant according to claim 1, is characterized in that:
Each blinds (1-1-1) of described aperture adjustable shutter formula wind deflector (1-1) perpendicular to the axial cross section of its rotating shaft, be fusiformis.
6. the control wind guiding device for air cooling island of power plant according to claim 1, is characterized in that:
The described control wind training wall (1) of arranging around Air-Cooling Island has 4 roads, and in rectangular layout.
7. the control wind guiding device for air cooling island of power plant according to claim 1, is characterized in that:
Described control wind guiding device is arranged at the upper windbreak of air cooling island of power plant and at least one party in lower windbreak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320316895.0U CN203396257U (en) | 2013-06-03 | 2013-06-03 | Wind controlling and guiding device of power station air cooling island |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320316895.0U CN203396257U (en) | 2013-06-03 | 2013-06-03 | Wind controlling and guiding device of power station air cooling island |
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| CN203396257U true CN203396257U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320316895.0U Expired - Lifetime CN203396257U (en) | 2013-06-03 | 2013-06-03 | Wind controlling and guiding device of power station air cooling island |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278025A (en) * | 2013-06-03 | 2013-09-04 | 国电龙源电力技术工程有限责任公司 | Air controlling and flow guiding device for air cooling island of power station |
| CN103940253A (en) * | 2014-04-04 | 2014-07-23 | 中国能源建设集团广东省电力设计研究院 | Wind guide device and direct air cooling system provided with same |
| CN111750438A (en) * | 2019-08-12 | 2020-10-09 | 广东赛诺威节能环保科技有限公司 | Air conditioner combined type intelligence cooling system |
-
2013
- 2013-06-03 CN CN201320316895.0U patent/CN203396257U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278025A (en) * | 2013-06-03 | 2013-09-04 | 国电龙源电力技术工程有限责任公司 | Air controlling and flow guiding device for air cooling island of power station |
| CN103940253A (en) * | 2014-04-04 | 2014-07-23 | 中国能源建设集团广东省电力设计研究院 | Wind guide device and direct air cooling system provided with same |
| CN103940253B (en) * | 2014-04-04 | 2016-01-27 | 中国能源建设集团广东省电力设计研究院有限公司 | Air ducting and be provided with the direct air cooling system of this air ducting |
| CN111750438A (en) * | 2019-08-12 | 2020-10-09 | 广东赛诺威节能环保科技有限公司 | Air conditioner combined type intelligence cooling system |
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Granted publication date: 20140115 |