CN202676004U - Wind shield device of cooling tower in heat-engine plant - Google Patents
Wind shield device of cooling tower in heat-engine plant Download PDFInfo
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- CN202676004U CN202676004U CN 201220328535 CN201220328535U CN202676004U CN 202676004 U CN202676004 U CN 202676004U CN 201220328535 CN201220328535 CN 201220328535 CN 201220328535 U CN201220328535 U CN 201220328535U CN 202676004 U CN202676004 U CN 202676004U
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- cooling tower
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- vent
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Abstract
The utility model discloses a wind shield device of a cooling tower in a heat-engine plant. The wind shield device comprises a plurality of pieces of independent wind shield cloth arranged on air inlets around the cooling tower, and a control device for controlling the wind shield cloth to be opened or closed. According to the utility model, the defect of regulation of the traditional straight plate suspension type wind shield antifreeze mode is overcome, the natural ventilating quantity of the cooling tower is conveniently regulated at any place, the operation time of disassembling the traditional straight plate suspension type wind shield plate is greatly shortened, stable control of the temperature of the circulating water inlet of the cooling tower is ensured, the vacuum degree of a unit is rapidly improved, the coal consumption of the unit is reduced, and the icing condition of the cooling tower is improved, the purposes of saving energy and reducing emission are achieved, better economic benefit can be created, and the personal accident risk of the personal for disassembling the wind shield plate is avoided.
Description
Technical field
The utility model relates to a kind of deep bead, is specifically related to a kind of roller shutter type wind shielding structure for the Cooling Water From Thermal Power Plants tower.
Background technology
Heat factory has generally all built cooling tower, and the cooling tower Main Function is that recirculated cooling water is sprayed therein, makes it directly to contact with air the cooling device of the dissipation of heat that carries by evaporation and convection current handle in the atmosphere.Some local structure that adopts the cooling tower unification, namely cancel chimney and will enter cooling tower after the boiler exhaust gas process gas cleaning processing, under cooling tower internal heat air effect, make flue gas and entrained amounts of residual contamination do thereof obtain a kind of fume emission mode of larger lifting.No matter its working condition of the cooling tower of the sort of mode all will be subjected to the impact of thermal power plant's workload (quantity of circulating water), surrounding environment (temperature, humidity, wind-force), such as thermal power plant when improving generated energy, need to increase quantity of circulating water, accelerate cooling procedure, when external environment is low, temperature in the cooling tower is remained on to a certain degree, just need to reduce quantity of circulating water.When external environment is too low, just need to take some safeguard procedures to cooling tower, Xinjiang, Qinghai such as NORTHWEST CHINA, cold, the very long area of some winter climates such as the Inner Mongol in northeast, Liaoning, Shenyang, Harbin, crossing cold temperature can cause cooling tower to freeze, affect the normal operation of cooling tower, therefore must adopt various antifreezing measures to avoid cooling tower to freeze.
Standard practice is at the air inlet place of cooling tower deep bead to be set in the prior art, according to the size of cooling tower air inlet, adopts straight plate suspension type deep bead to be used for antifreeze and adjusts Inlet Temperature of Circulating Water, generally by from top to bottom order multilayer is set.After deep bead has been installed, in order to adjust circulating water temperature and to improve the unit vacuum, need frequent dismounting deep bead.The dismounting deep bead needs manually-operated, and the disassemble and assemble work amount is large, man-hour long (whenever tear or fill one deck deep bead open and need 3～4 hours), controlled circulation coolant-temperature gage well during this.When wind is large in the winter time in addition, also can't carry out the disassemble and assemble work of deep bead, and owing to be manually-operated, the words of misoperation can be damaged deep bead, deep bead is descended slowly and lightly affects production in the pond, have the personal injury risk and salvage deep bead.In addition after winter, the cooling tower top froze, the ice phenomenon that often can fall, operating personnel have also increased the danger that the ice that falls is hurted sb.'s feelings for a long time at tower bottom dismounting deep bead.
The utility model content
For solving the deep bead dismounting inconvenience of prior art moderate heat power plant cooling tower, and the problem of damaging easily deep bead and causing casualties, the utility model provides a kind of roller shutter type of automatic control cloth draw off gear that keeps out the wind, utilize the Artificial Control automatic rolling to put the cloth that keeps out the wind, not only improved folding and unfolding speed but also can avoid the hurt sb.'s feelings generation of phenomenon of ice.Concrete scheme is as follows: a kind of thermal power plant cooling tower abat-vent, it is characterized in that, and comprise a plurality of cloth that independently keep out the wind that are arranged on cooling tower circumference air inlet place, control the drive unit that the cloth that keeps out the wind is opened and packed up.
Packing up and putting down for the cloth that conveniently keeps out the wind: described drive unit comprises sprocket wheel, two bearings, roll bar and chain ropes, described bearing is enclosed within respectively the two ends of roll bar and fixes with cooling tower, sprocket wheel is fixed on an end of roll bar, the chain rope hangs on the sprocket wheel and can spur sprocket wheel and drives the roll bar rotation, and the top of the described cloth that keeps out the wind is fixed on the roll bar.
Be the keep out the wind wind resistance of cloth of raising: the lower end of the described cloth that keeps out the wind is provided with the weight linear meter wide with the cloth that keeps out the wind.
For improving the air inlet sealing effect: the position corresponding with the cloth that keeps out the wind, the bottom of described cooling tower is provided with the fixture of fixed weight bar.
Be the cloth that keeps out the wind after fixedly putting down: described fixture is stay hook, retainer ring, geometrical clamp or static line.
For the cloth of strengthening keeping out the wind to the wind support strength: the air inlet place of described cooling tower is fixed with the screen cloth that increases the cloth support strength that keeps out the wind, described screen cloth is keeping out the wind between cloth and the cooling tower, the top of screen cloth is fixed on the top of cooling tower air inlet, and bottom support on the ground or fix on the ground.
For improving the intensity of screen cloth: fixed frame is set around the described screen cloth, and screen cloth is fixed on the air inlet place of cooling tower by fixed frame, and described drive unit is fixed on the fixed frame.
Meet water freezing for avoiding drive unit: be provided with bucker on the described drive unit, described bucker is the projecting plate that is arranged on the fixed frame of screen cloth and can shelters from sprocket wheel, bearing and roll bar.
For keeping the current state of the cloth that keeps out the wind: be provided with the backing pin that prevents sprocket wheel rotation or the fixing fixed hook of chain rope on the described fixed frame.
For being easy for installation and removal: described screen cloth is wide to be 1.3～2 meters, and length is 2～3 meters, and the described cloth that keeps out the wind is wide 1～2.2 meter, and length is 2～3 meters.
The utility model is realized packing up and opening of the flexible cloth that keeps out the wind by roll bar, not only reduced operating personnel's operation sequence, and improved folding and unfolding speed, it is time saving and energy saving to utilize chain and bearing to drive the roll bar rotation, screen cloth not only can improve the support strength of the cloth that keeps out the wind, and provides support the basis for the cloth that keeps out the wind.Utilize weight linear meter to strengthen to keep out the wind the wind resistance of cloth self, be conducive to simultaneously keep out the wind cloth in folding and unfolding.Arrange on the ground or the fixture of cooling tower bottom, the cloth of can avoiding keeping out the wind is blown afloat by high wind.The screen cloth that fixed frame has been installed has not only been strengthened the intensity of screen cloth, and for drive unit provides the basis is installed, and has also made things convenient for installation and removal simultaneously.
The utility model has overcome the adjustment drawback of traditional antifreeze mode of straight plate suspension type deep bead, the cooling tower natural ventilation rate is adjusted whenever and wherever possible easily, shortened greatly the operating time of traditional straight plate suspension type deep bead dismounting, guaranteed cooling-tower circulating water inlet temperature control stable, fast improve the unit vacuum, reduce the unit coal consumption and improve the cooling tower situation of freezing, reached the purpose of energy-saving and emission-reduction, and can create good economic benefit, avoided simultaneously dismounting deep bead personnel's personal injury risk.
Description of drawings
Fig. 1 structural representation of the present utility model.
Attached number in the figure explanation: 1-keep out the wind cloth, 101-weight linear meter, 102-fixture, 2-roll bar, 3-bearing, 4-sprocket wheel, 5-chain rope, 501-stay hook, 6-screen cloth, 601-fixed frame, 7-bucker
The specific embodiment
As shown in Figure 1, abat-vent of the present utility model comprises a plurality of cloth 1 that independently keep out the wind that are arranged on cooling tower circumference air inlet place, and controls the drive unit that the cloth 1 that keeps out the wind is opened and packed up.The cloth 1 that keeps out the wind is block structure, the upper end contacts with the top of cooling tower air inlet, the lower end contacts with the bottom of cooling tower air inlet, the single cloth 1 that keeps out the wind is as the criterion with the longitudinal space that can block the cooling tower air inlet, can all seal by the air inlet that whole cooling tower is circumferential after a plurality of cloth 1 sides that keep out the wind are in contact with one another.Drive unit comprises sprocket wheel 4, two bearings 3, roll bar 2 and chain ropes 5, wherein two bearings 3 are enclosed within respectively the two ends of roll bar 2, and then bearing 3 is fixed on the cooling tower, sprocket wheel 4 is fixed on an end of roll bar 2, chain rope 5 hangs on the sprocket wheel 4 and can spur sprocket wheel 4 and drives roll bar 2 rotations, and the top of the cloth 1 that keeps out the wind is fixed on the roll bar 2.
Utilize chain rope 5 pulling sprocket wheels 4 to drive roll bar 2 rotations during use, after roll bar 2 rotations, be fixed on the roll bar 2 keep out the wind cloth 1 namely centered by roll bar 2 Kai Shi Chan around, continuous pulling chain rope 5, the cloth 1 that keeps out the wind the most at last is rolled onto on the roll bar 2 fully, realizes opening of cooling tower air inlet, when needs seal the air inlet of cooling tower, pulling chain rope 5 band movable sprockets 4 rotate round about again, and the cloth 1 that is about to keep out the wind is opened gradually, finally fully the cooling tower air inlet is sheltered from.
After opening, cloth 1 waved back and forth by windage in order to prevent from keeping out the wind, the weight linear meter 101 wide with the cloth 1 of keeping out the wind is set in the lower end of the cloth 1 that keeps out the wind, utilize weight linear meter 101 strengthen the keeping out the wind sagging power of cloth 1, weight linear meter 101 can adopt iron rod or steel rod, concrete weight is definite according to the wind-force size of locality, but also will consider the driving force of drive unit.Mounting structure adopts following manner: the cloth seam of then making one plug-in mounting weight linear meter 101 is upwards rolled in the bottom of the cloth 1 that 1, will keep out the wind, and weight linear meter 101 is inserted in the cloth seam again.2, directly weight linear meter 101 usefulness iron wires, rope one class are banded in the bottom of the cloth 1 that keeps out the wind.3, insert the cloth seam formation counterweight of the cloth bottom of keeping out the wind with stone one class weight.Weight linear meter 101 and the cloth 1 of keeping out the wind is wide, and can prevent from the keeping out the wind side of cloth 1 is torn by wind, and improves the sealing effect of air inlet.Stability for the cloth 1 that keeps out the wind after further reinforcement is opened, the position corresponding with the cloth 1 of keeping out the wind arranges the fixture 102 of fixed weight bar 101 in the bottom of cooling tower, and fixture 101 can adopt and be fixed on stay hook, retainer ring, geometrical clamp or static line on the ground.
Chain rope 5 can be the chain that engages with sprocket wheel 4 upper raised teeths, for reducing the length of chain rope 5, chain rope 5 is set to annular enclosed structure, thereby utilizes its circulation pulling sprocket wheel 4 to make roll bar 2 in bearing 3 interior rotations, the length of chain rope 5 stand in 4 times energy normal operatings of sprocket wheel with operating personnel and gets final product.
For wind loading rating in the middle of it after improving the cloth 1 that keeps out the wind and leaving behind, at the fixing screen cloth 6 that increases cloth 1 support strength that keeps out the wind in the air inlet place of cooling tower, screen cloth 6 is installed in and keeps out the wind between cloth 1 and the cooling tower, the top of screen cloth 6 is fixed on the top of cooling tower air inlet, bottom support on the ground or fix on the ground, the size of screen cloth 6 and cloth 1 size coupling but the transverse width width less than the cloth 1 that keeps out the wind that keeps out the wind, screen cloth 6 in the utility model is wide to be 1.3～2 meters, length is 2～3 meters, and the described cloth 1 that keeps out the wind is wide 1～2.2 meter, and length is 2～3 meters, can adjust according to concrete cooling tower size, preferred wide is 1.5 meters, and length is 2.4 meters, and the cloth that keeps out the wind is wide 1.7 meters, length is 2.4 meters, like this when a plurality of screen clothes when cooling tower distributes, cloth 1 side that keeps out the wind on it can overlap, and improves the wind loading rating of overall wind shielding cloth.Screen cloth 6 need to have certain hardness, generally adopts wire netting or steel wire, can not form wind like this to stop when cloth 1 volume that keeps out the wind gets on, and can support again the whole cloth that keeps out the wind after pulling down.Be further to improve the fastness of screen cloth 6, the fixed frame 601 that angle bar is made is set around screen cloth 6, screen cloth 6 can be fixed on the air inlet place of cooling tower by fixed frame 601 like this, fixed effect that further can screen cloth 6.For movement and the installation of convenient whole abat-vent, drive unit can be fixed on fixed frame 601 tops of screen cloth 6 simultaneously, when removing abat-vent, only need to remove the fixing of fixed frame 601 and get final product like this, equally also make things convenient for installation process.
Because cooling tower is a shape that is increased gradually to the top end of by, the water that the above is leaked down can drip on the drive unit, in the situation of cold weather, can freeze at drive unit, finally may freeze the bearing 3 of drive unit, sprocket wheel 4 or roll bar 2, therefore at drive unit bucker 7 is set, bucker 7 is on the fixed frame 601 that is arranged on screen cloth 6 and can shelter from sprocket wheel 4, the projecting plate of bearing 3 and roll bar 2, the water of spray that bucker 7 need to prevent cooling tower inside equally by wind to drive unit, therefore bucker is arranged on the inside and outside two sides of fixed frame 601 simultaneously, need to reserve some spaces between bucker 7 and the roll bar 2 more, folding appears in the scrolling process in cloth 1 even keep out the wind like this, also can hold lower.Also can only bucker 7 be arranged on sprocket wheel 4 and the bearing 3 in addition, concrete bucker 7 can adopt the structure of puggaree on the building window, or adopts the semi-surrounding structure that is enclosed within on bearing 3, the sprocket wheel 4.
In order to make the sprocket wheel 4 that is rolled onto the position keep stable, the position corresponding with sprocket wheel 4 arranges the backing pin that can be inserted into after the anglec of rotation in sprocket wheel 4 double wedges on fixed frame 601, backing pin is controlled by power transmission shaft, power transmission shaft is fixed on the side frame of fixed frame 601 by axle sleeve, the lower end of power transmission shaft connects a control handle, and the position of control handle can easily be controlled with operating personnel and get final product.When the cloth that the keeps out the wind place that puts in place, handle the control handle rotation, the backing pin of the power transmission shaft other end is changed in the double wedge of sprocket wheel, be about to sprocket wheel and be stuck in current location.Another fixed form is: stay hook 501 is set under the side frame of fixed frame 601, the double wedge groove of chain rope 5 is stuck in the stay hook 501, namely fixed the rotation of chain rope 5, also just controlled the rotation of sprocket wheel 4.
The cloth 1 that keeps out the wind can adopt the flexible material that canvas, Polypropylence Sheet, oilcloth one class can waterproof.
The above only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, anyly be familiar with the technical staff of this patent within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned prompting is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of the utility model scheme.
Claims (10)
1. thermal power plant's cooling tower abat-vent is characterized in that, comprises a plurality of cloth (1) that independently keep out the wind that are arranged on cooling tower circumference air inlet place, controls the drive unit that the cloth (1) that keeps out the wind is opened and packed up.
2. a kind of thermal power plant as claimed in claim 1 cooling tower abat-vent, it is characterized in that, described drive unit comprises sprocket wheel (4), two bearings (3), roll bar (2) and chain rope (5), described bearing (3) is enclosed within respectively the two ends of roll bar (2) and fixes with cooling tower, sprocket wheel (4) is fixed on an end of roll bar (2), chain rope (5) hangs over the upper sprocket wheel (4) that also can spur of sprocket wheel (4) and drives roll bar (2) rotation, and the top of the described cloth that keeps out the wind (1) is fixed on the roll bar (2).
3. a kind of thermal power plant as claimed in claim 2 cooling tower abat-vent is characterized in that the lower end of the described cloth that keeps out the wind (1) is provided with the weight linear meter (101) wide with the cloth that keeps out the wind (1).
4. a kind of thermal power plant as claimed in claim 3 cooling tower abat-vent is characterized in that the position corresponding with the cloth that keeps out the wind (1), the bottom of described cooling tower is provided with the fixture (102) of fixed weight bar (101).
5. a kind of thermal power plant as claimed in claim 4 cooling tower abat-vent is characterized in that described fixture (102) is stay hook, retainer ring, geometrical clamp or static line.
6. such as described any one thermal power plant's cooling tower abat-vent of claim 1-5, it is characterized in that, the air inlet place of described cooling tower is fixed with the screen cloth (6) that increases cloth (1) support strength that keeps out the wind, described screen cloth (6) is positioned between the cloth that keeps out the wind (1) and the cooling tower, the top of screen cloth (6) is fixed on the top of cooling tower air inlet, and bottom support on the ground or fix on the ground.
7. a kind of thermal power plant as claimed in claim 6 cooling tower abat-vent, it is characterized in that, described screen cloth (6) arranges fixed frame (601) all around, screen cloth (6) is fixed on the air inlet place of cooling tower by fixed frame (601), and described drive unit (102) is fixed on the fixed frame (601).
8. a kind of thermal power plant as claimed in claim 7 cooling tower abat-vent, it is characterized in that, be provided with bucker (7) on the described drive unit, the projecting plate of sprocket wheel (4), bearing (3) and roll bar (2) gone up and can shelter from by described bucker (7) for the fixed frame (601) that is arranged on screen cloth (6).
9. a kind of thermal power plant as claimed in claim 8 cooling tower abat-vent is characterized in that, is provided with the backing pin that prevents sprocket wheel (4) rotation or the fixing fixed hook (501) of chain rope (5) on the described fixed frame (601).
10. a kind of thermal power plant as claimed in claim 9 cooling tower abat-vent is characterized in that described screen cloth (6) wide is 1.3～2 meters, and length is 2～3 meters, and the described cloth that keeps out the wind (1) is wide 1～2.2 meter, and length is 2～3 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220328535 CN202676004U (en) | 2012-07-09 | 2012-07-09 | Wind shield device of cooling tower in heat-engine plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220328535 CN202676004U (en) | 2012-07-09 | 2012-07-09 | Wind shield device of cooling tower in heat-engine plant |
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| Publication Number | Publication Date |
|---|---|
| CN202676004U true CN202676004U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220328535 Expired - Fee Related CN202676004U (en) | 2012-07-09 | 2012-07-09 | Wind shield device of cooling tower in heat-engine plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676004U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138463A (en) * | 2013-03-20 | 2013-06-05 | 中国石油天然气股份有限公司吉林石化分公司 | Air volume regulator of electric motor fan |
| CN103292613A (en) * | 2013-05-29 | 2013-09-11 | 哈尔滨工业大学 | Wind stopping device of cooling tower of thermal power plant |
| CN105712102A (en) * | 2016-03-09 | 2016-06-29 | 太重（天津）滨海重型机械有限公司 | Damper door and hopper |
| CN108895882A (en) * | 2018-08-28 | 2018-11-27 | 大唐黑龙江发电有限公司哈尔滨第热电厂 | Cooling tower wraparound method screen |
-
2012
- 2012-07-09 CN CN 201220328535 patent/CN202676004U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138463A (en) * | 2013-03-20 | 2013-06-05 | 中国石油天然气股份有限公司吉林石化分公司 | Air volume regulator of electric motor fan |
| CN103292613A (en) * | 2013-05-29 | 2013-09-11 | 哈尔滨工业大学 | Wind stopping device of cooling tower of thermal power plant |
| CN105712102A (en) * | 2016-03-09 | 2016-06-29 | 太重（天津）滨海重型机械有限公司 | Damper door and hopper |
| CN108895882A (en) * | 2018-08-28 | 2018-11-27 | 大唐黑龙江发电有限公司哈尔滨第热电厂 | Cooling tower wraparound method screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160901 Address after: 150000 No. 99 Tang Long Street, Harbin, Heilongjiang, Songbei Patentee after: Datang Heilongjiang Energy Saving Service Co., Ltd. Address before: 150078, Heilongjiang, Harbin Province, Daoli District, Xinfa Town, Jianguo village, Datang Harbin first thermal power plant Patentee before: Harbin No.1 Thermoelectric Plant of Datang Heilongjiang Power Generation Co., Ltd. Patentee before: Datang Heilongjiang Power Generation Co., Ltd. |
|
| 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: 20130116 Termination date: 20200709 |