CN103292613B - Steam power plant's cooling tower abat-vent - Google Patents
Steam power plant's cooling tower abat-vent Download PDFInfo
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- CN103292613B CN103292613B CN201310205548.5A CN201310205548A CN103292613B CN 103292613 B CN103292613 B CN 103292613B CN 201310205548 A CN201310205548 A CN 201310205548A CN 103292613 B CN103292613 B CN 103292613B
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- daughter board
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- cooling tower
- vent
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Abstract
The invention provides a kind of steam power plant's cooling tower abat-vent of new structure.This abat-vent structure is stacked, this structure can effectively save taking up room of abat-vent, and air inlet size can be regulated easily according to the change of cooling tower external environment condition, thus change the intake of cooling tower, ensure the normal operation of cooling tower.This abat-vent is made up of stacked deep bead, deep bead bracing or strutting arrangement and steel wire rope power transmission device.Stacked deep bead connects into as a whole by guide rail, by cable for transferring power, abat-vent is slided in supporting construction, thus enable abat-vent according to the air inlet size of the suitable adjustment cooling tower of the change of external environment condition, play antifreeze effect of keeping out the wind, ensure the normal operation of cooling tower in Various Seasonal.
Description
Technical field
The present invention relates to a kind of abat-vent, be specifically related to the new structure of a kind of steam power plant cooling tower abat-vent.
Background technology
Because China northeast and North China's meteorological condition in winter are severe, the cooling tower of winter operation all there will be extension ice phenomenon in various degree.After cooling tower air inlet occurs freezing phenomenon, the incoming air area of air inlet will be reduced, cause the intake of cooling tower to reduce, affect the cooling effect of cooling tower.Filler in cooling tower freezes and will the efficiency of filler be caused to reduce, and after filler freezes, will partial filler be drawn bad, affect the cooling effect of cooling tower.Freeze the generation of phenomenon, will increase structural loads, the serious xoncrete structure of tower body that even can cause destroys, and reduces the service life of structure.
The conventional method that phenomenon is frozen in cooling tower control hangs deep bead on herringbone pillar, withstands the cold wind in winter, ensures the intake of cooling tower and the balance of Ta Nei temperature.But along with the fast development of power industry, Generator Set is gone into operation operation in succession, single-machine capacity constantly increases, the drenching area also corresponding increase of cooling tower, the height of the air inlet of cooling tower is caused to increase, cause the area of this deep bead hung large, Heavy Weight, hanging and extract deep bead needs to consume very large man power and material.And this deep bead well damage in the process used, be difficult to ensure the tightness of abat-vent, can not the extension ice phenomenon in effectively preventing cooling tower winter.Due to the intrinsic design feature of this deep bead, it can not adjust the size of air inlet automatically according to the change of cooling tower external environment condition, thus changes the intake of cooling tower, improves the efficiency of cooling tower fully.
Summary of the invention
The object of the invention is to carry enough a kind of abat-vent of cooling tower of new structure, this abat-vent adopts stacked structure, this structure can effectively save taking up room of abat-vent, and can according to the change of cooling tower external environment condition, adjust the size of cooling tower air inlet easily, thus change the intake of cooling tower, ensure the normal operation of cooling tower.
This abat-vent is by stacked deep bead, and supporting structure for wind shield and steel wire rope power transmission device form.Each abat-vent unit passes through the supporting construction of deep bead together with the original annular fastener for connection of cooling tower, and become as a whole by Plate Welding between each abat-vent unit and adjacent abat-vent unit, thus enable abat-vent " parcel " tightly live cooling tower.Each abat-vent unit is again independent, and its motion can not affect the normal work of other abat-vent unit.
Each abat-vent unit is connected to become parts by multiple daughter board that keeps out the wind by the guide rail on its both sides, the adjacent daughter board that keeps out the wind can be slided freely within the specific limits by guide rail, and several like this daughter board that keeps out the wind just is connected to become a deep bead that can be free to slide by the guide rail on its both sides.The support of this deep bead is born by the supporting construction of abat-vent.Supporting construction forms as a whole by the C-type steel guide rail of both sides and the steel wire rope fixed pulley support on top and deep bead back support steel frame construction by welding means, it can ensure that abat-vent unit can slide on fixing track, and can reduce the distortion of deep bead as much as possible under Action of Wind pressure.The C-type steel guide rail of bracing or strutting arrangement, as the guide rail of deep bead movement, installs roller additional in the lower end of deep bead and two ends, left and right, thus ensures that deep bead can slide in the fixed range in C-type steel guide rail.By cable for transferring power, steel wire rope is utilized to pull the daughter board that keeps out the wind of the bottom, the daughter board that keeps out the wind of bottom promotes the daughter board or pull the daughter board that keeps out the wind on top of keeping out the wind on top, thus make that deep bead is regular in C-type steel guide rail to be moved up and down freely, complete abat-vent changes suitable adjustment cooling tower air inlet size according to external environment condition, regulate intake, ensure the normal operation of cooling tower.
Accompanying drawing explanation
Fig. 1 is abat-vent integral installation schematic diagram;
Fig. 2 is connecting overall schematic diagram between abat-vent unit;
Fig. 3 is abat-vent cellular installation side schematic view;
Fig. 4 is after-poppet and annular fastener for connection schematic diagram
Fig. 5 is abat-vent unit principle schematic;
Fig. 6 is guide rails assembling schematic diagram;
Fig. 7 is the whole pull-up front view of deep bead;
Fig. 8 is the layout drawing of C-type steel guide rail internal trolley;
Fig. 9 is abat-vent unit transmission system schematic diagram;
Figure 10 is the canoe that steel wire rope is taken turns online;
Figure 11 is the second line wheel power transmission line schematic diagram;
Figure 12 is the second line wheel power transmission line schematic diagram;
Figure 13 is abat-vent whole unit power transmission line schematic diagram.
In figure: 1-C shaped steel guide rail; 2-cooling tower; 3-annular steel pipe; A-first gear wind apparatus unit; B-second gear wind apparatus unit; C-third gear wind apparatus unit; D-after-poppet and deep bead combination; 4-after-poppet; 5-deep bead; The mono-sleeve of 6-; 7-guide rail; 8-duplex sleeve; 9-first keeps out the wind daughter board; 10-second keeps out the wind daughter board; 11-third gear wind daughter board; 12-fourth gear wind daughter board; Keep out the wind in the middle of 13 framework; 14-deep bead connector; Keep out the wind on the right side of 15-framework; 16-thrust frame; Keep out the wind on the left of 17-framework; 18-side roller; 19-bottom roller; 22-direct current generator; 23-shaft coupling; 24-first kind line is taken turns; 25-Equations of The Second Kind line is taken turns; 28-fixed pulley; 29-first steel wire rope; 30 second steel wire ropes; 32-first directive wheel; 33-second directive wheel; 34-the 3rd directive wheel; 35-first movable pulley; 36-second movable pulley; 37-the 4th directive wheel; 40-clamping device.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
As shown in Figure 1, because the area of cooling tower 2 is very large, therefore the cooling tower abat-vent of the present invention's design adopts the thought of modularized design, cooling tower abat-vent is designed to abat-vent unit separate one by one, each abat-vent unit is fixed on after-poppet 4 shown in annular steel pipe 3 on cooling tower and C-type steel guide rail 1 and Fig. 3 is connected on cooling tower by original, connect as a whole by the junction steel plate between adjacent C shaped steel guide rail 1 and upper bracket between each abat-vent unit, thus enable cooling tower abat-vent " parcel " tightly live cooling tower.
Fig. 2 is connecting overall schematic diagram between abat-vent unit.By modular thought, cooling tower abat-vent is divided into several abat-vent unit as first gear wind apparatus unit A, second gear wind apparatus unit B and third gear wind apparatus unit C, by each abat-vent unit is linked together, form an entirety, each abat-vent unit is relatively independent to another abat-vent unit, control respectively, thus complete the requirement of cooling tower abat-vent according to the adjustment intake of external environment condition feature timely and appropriate discovery, ensure that cooling tower efficiently runs normally.
Fig. 3 is abat-vent cellular installation side schematic view.Each abat-vent unit tightly relies on cooling tower, deep bead 5 due to abat-vent unit is structures that another direction size relative differs greatly in a direction, in order to increase the rigidity of structure of deep bead, after-poppet 4 is installed additional after deep bead 5,, reduce the distortion of deep bead under wind-force effect.As shown on the right side of Fig. 3, after-poppet 4 coordinates with deep bead 5 and forms stepped stacked after-poppet and deep bead combination D.As shown in Figure 4, after-poppet 4 clamps original annular steel pipe 3 on cooling tower by clamping device 40, thus is fixed on cooling tower by after-poppet 4.
As seen in figs. 5-6, the deep bead of each abat-vent unit is connected to become a deep bead that can be free to slide at relative position by four pieces of relatively independent daughter boards that keep out the wind (first keep out the wind daughter board 9, second keep out the wind daughter board 10, third gear wind daughter board 11, fourth gear wind daughter board 12) by guide rail 7.Each daughter board structure of keeping out the wind is as second kept out the wind shown in daughter board 10 in Fig. 6, and upper end sleeve is duplex sleeve 8, and lower end is single sleeve 6, and guide rail 7 is fixed between duplex sleeve 8 and single sleeve 6.First of the superiors daughter board 9 top and bottom of keeping out the wind all only install single sleeve 6 additional, and undermost fourth gear wind daughter board 12 only installs duplex sleeve 8 additional and do not install guide rail 7 additional.Middle second keep out the wind daughter board 10 and third gear wind daughter board 11 upper end installs duplex sleeve additional, and lower end installs single sleeve additional.The connecting mode of adjacent two daughter boards that keep out the wind is described for the adjacent second keep out the wind daughter board 10 and third gear wind daughter board 11, second daughter board that keeps out the wind is linked together by the duplex sleeve 8 of self and the guide rail 7 of third gear wind daughter board 11, so just can ensure second keep out the wind daughter board 10 and third gear wind daughter board 11 can relative sliding within the specific limits, the connecting mode of other adjacent daughter board that keeps out the wind is identical with the second connecting mode kept out the wind between daughter board 10 with third gear wind daughter board 11.When undermost fourth gear wind daughter board 12 under tension, it will move upward along guide rail 7, when the duplex sleeve 8 on it contacts with the duplex sleeve 8 on third gear wind daughter board 11, drive third gear wind daughter board 11 is moved upward together, it is same when the duplex sleeve 8 that the duplex sleeve 8 on third gear wind daughter board 11 and second keeps out the wind on daughter board 10 contacts, the daughter board 10 that drive second kept out the wind moves upward together, and the motion state of final deep bead is as shown on the right side of Fig. 5.In like manner, the working method that deep bead falls is identical with the working method of deep bead pull-up, does not repeat here.
Fig. 7 is the whole pull-up front view of deep bead.In order to deep bead can be made to be convenient to dismounting and to change, each daughter board that keeps out the wind to be kept out the wind framework 13 by centre, and keep out the wind framework 17 in left side, and right side framework 15 3 part of keeping out the wind connects into as a whole by deep bead connector 14.Simultaneously in order to deep bead can be stable in motion process motion, other daughter board that keeps out the wind except undermost fourth gear wind daughter board 12 installs thrust frame 16 additional, such bottom keep out the wind the thrust of daughter board first pass to top keep out the wind daughter board thrust frame 16 on instead of on duplex sleeve 8, can ensure that thrust is transmitted more steady, also can ensure the coordinated movement of various economic factors between deep bead daughter board.
Fig. 8 is the layout drawing of C-type steel guide rail internal trolley.In order to make deep bead 5 can according to the motion of fixing movement locus and the resistance reduced in deep bead motion process in C-type steel guide rail 1, install side roller 18 and bottom roller 19 additional at the side of deep bead and bottom respectively.
Fig. 9 is abat-vent unit transmission system schematic diagram.The power source of this abat-vent comes from direct current generator 22, slow down through decelerator, be connected by shaft coupling 23 and power transmission shaft, drive drive axis, first kind line wheel 24 and Equations of The Second Kind line wheel 25 power transmission shaft be equipped with, simultaneously on supporting structure for wind shield upper bracket, fixed pulley 28 is housed, what fixed pulley 28 was used for changing steel wire rope pulls direction, and the first steel wire rope 29 and the second steel wire rope 30 are connected on fourth gear wind daughter board 12.As shown in Figure 10, because the second steel wire rope 30 on first kind line wheel 24 is different with the winding direction of the first steel wire rope 29 on Equations of The Second Kind line wheel 25, when direct current generator 22 rotates counterclockwise, first kind line wheel 24 will do take-up action, pull fourth gear wind daughter board 12 to diagram upper direction, Equations of The Second Kind line wheel 25 will do pay-off wire action simultaneously, by fixed pulley 28, coordinate fourth gear wind daughter board 12 to move upward.When direct current generator 22 clockwise rotates, Equations of The Second Kind line wheel 25 does take-up action, and by fixed pulley 28, pull fourth gear wind daughter board 12 to diagram moved beneath, first kind line wheel 24 does unwrapping wire action simultaneously, coordinates fourth gear wind daughter board 12 to move downward.Thus rotating clockwise and rotating counterclockwise by motor, drive fourth gear wind daughter board 12 to move downward or upward, complete the action with pull-up of putting down of deep bead 5.
As figs 11-13, when direct current generator 22 rotates clockwise, Equations of The Second Kind line wheel 25 is driven to rotate clockwise, Equations of The Second Kind line wheel 25 will pull the first steel wire rope 29 to do take-up action, first steel wire rope 29 is by surface-based 4th directive wheel 37, be arranged on the 3rd directive wheel 34 on fourth gear wind daughter board 12, fixed pulley 28, be arranged on the first the first directive wheel 32 kept out the wind on daughter board 9, the second directive wheel 33 be arranged on fourth gear wind daughter board 12 pulls fourth gear wind daughter board 12 to move upward with the first movable pulley 35 be connected on fourth gear wind daughter board 12, first kind line wheel 24 rotates clockwise simultaneously, do unwrapping wire action, second steel wire rope 30 is by surface-based 4th directive wheel 37 and the second movable pulley 36 be connected on fourth gear wind daughter board 12, fourth gear wind daughter board 12 is coordinated to move upward.When direct current generator 22 rotates counterclockwise, first kind line wheel 24 is driven to rotate counterclockwise, do take-up action, first kind line wheel 24 pulls fourth gear wind daughter board 12 to move downward by above-mentioned power transmission line, Equations of The Second Kind line wheel rotates counterclockwise simultaneously, coordinates fourth gear wind daughter board 12 to move downward by above-mentioned power transmission line.By the motion control to fourth gear wind daughter board 12, the pull-up realizing the deep bead 5 of abat-vent unit and the action put down.
Claims (1)
1. steam power plant's cooling tower abat-vent, it is characterized in that, comprise abat-vent unit, described abat-vent unit is connected on cooling tower by the annular steel pipe (3) on cooling tower and C-type steel guide rail (1) and after-poppet (4), described abat-vent unit is made up of deep bead (5), and described deep bead comprises relatively independent first and to keep out the wind daughter board (9), second keeps out the wind daughter board (10), third gear wind daughter board (11), fourth gear wind daughter board (12), described first keeps out the wind daughter board (9), second keeps out the wind daughter board (10), third gear wind daughter board (11), fourth gear wind daughter board (12) is by single sleeve (6), guide rail (7), duplex sleeve (8) links together, and described first keeps out the wind daughter board (9), second keeps out the wind daughter board (10), third gear wind daughter board (11), the each free middle apron wind framework (13) of fourth gear wind daughter board (12), keep out the wind framework (17) in left side, the right side framework (15) that keeps out the wind is linked into an integrated entity by deep bead connector (14), also comprise motor (22), it is connected by shaft coupling (23) and power transmission shaft, first kind line wheel (24) and Equations of The Second Kind line wheel (25) power transmission shaft be equipped with, fixed pulley (28) is housed on supporting structure for wind shield upper bracket, the first steel wire rope (29) and the second steel wire rope (30) are connected on fourth gear wind daughter board (12) simultaneously, after-poppet (4) coordinates with deep bead (5) and forms stepped stacked after-poppet and deep bead combination (D), after-poppet (4) is clamped on the annular steel pipe (3) of cooling tower by clamping device (40), single sleeve is all equipped with at daughter board (9) top and bottom of keeping out the wind in first of the superiors, duplex sleeve is equipped with in undermost fourth gear wind daughter board (12) upper end, duplex sleeve is equipped with in middle second keep out the wind daughter board (10) and third gear wind daughter board (11) upper end, single sleeve is equipped with in lower end, first keeps out the wind daughter board (9), second keeps out the wind daughter board (10), third gear wind daughter board (11) also comprises the guide rail (7) be connected between sleeve, first is made to keep out the wind daughter board (9) by the slip of sleeve on guide rail, second keeps out the wind daughter board (10), third gear wind daughter board (11), fourth gear wind daughter board (12) is connected and relative motion successively, side roller (18) and bottom roller (19) are equipped with in the side of deep bead (5) and bottom, first steel wire rope (29) successively by surface-based 4th directive wheel (37), the 3rd directive wheel (34) be arranged on fourth gear wind daughter board (12), fixed pulley (28), be arranged on the first keep out the wind the first directive wheel (32) on daughter board (9), the second directive wheel (33) be arranged on fourth gear wind daughter board (12) and be connected with fourth gear wind daughter board (12) with the first movable pulley (35) be connected on fourth gear wind daughter board (12), second steel wire rope (30) is connected with fourth gear wind daughter board (12) with the second movable pulley (36) be connected on fourth gear wind daughter board (12) by surface-based 4th directive wheel (37) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310205548.5A CN103292613B (en) | 2013-05-29 | 2013-05-29 | Steam power plant's cooling tower abat-vent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310205548.5A CN103292613B (en) | 2013-05-29 | 2013-05-29 | Steam power plant's cooling tower abat-vent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103292613A CN103292613A (en) | 2013-09-11 |
| CN103292613B true CN103292613B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310205548.5A Expired - Fee Related CN103292613B (en) | 2013-05-29 | 2013-05-29 | Steam power plant's cooling tower abat-vent |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115314B (en) * | 2015-08-13 | 2024-01-02 | 华北水利水电大学 | Automatic quaternary wind preventing device for cooling tower inlet |
| CN106017198A (en) * | 2016-07-05 | 2016-10-12 | 华北电力大学（保定） | Upper outer lifting lower inner inclined off-axis combined plate type wind shielding device of cooling tower |
| CN105953635A (en) * | 2016-07-05 | 2016-09-21 | 华北电力大学（保定） | Upper outer lifting and lower outer inclined center shaft combined plate type cooling tower wind shielding device |
| CN105890435A (en) * | 2016-07-05 | 2016-08-24 | 华北电力大学（保定） | Cooling tower wind shielding device combining upper outer lifting type wind shielding plates with lower outer longitudinal oblique shaft type wind shielding plates |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100921674B1 (en) * | 2009-07-02 | 2009-10-19 | 주식회사 하이옥스 | Sealed cooling tower |
| CN101881574A (en) * | 2010-05-31 | 2010-11-10 | 金坛市塑料厂 | Synchronous rotation on-off mechanism of wind boards |
| CN202599208U (en) * | 2012-04-05 | 2012-12-12 | 黑龙江龙煤矿业集团股份有限公司双鸭山分公司虹焱热电有限公司 | Adjustable roller blind wind shield board of cooling tower |
| CN202676004U (en) * | 2012-07-09 | 2013-01-16 | 大唐黑龙江发电有限公司哈尔滨第一热电厂 | Wind shield device of cooling tower in heat-engine plant |
| CN102788527A (en) * | 2012-09-09 | 2012-11-21 | 李尚勇 | Water tower wind board |
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2013
- 2013-05-29 CN CN201310205548.5A patent/CN103292613B/en not_active Expired - Fee Related
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Granted publication date: 20160106 Termination date: 20160529 |