CN201138155Y - Anti-freezing device of air cooling heat radiator - Google Patents
Anti-freezing device of air cooling heat radiator Download PDFInfo
- Publication number
- CN201138155Y CN201138155Y CNU200720194403XU CN200720194403U CN201138155Y CN 201138155 Y CN201138155 Y CN 201138155Y CN U200720194403X U CNU200720194403X U CN U200720194403XU CN 200720194403 U CN200720194403 U CN 200720194403U CN 201138155 Y CN201138155 Y CN 201138155Y
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- China
- Prior art keywords
- air cooling
- cooling heat
- veil
- heat radiator
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an antiicer for an air-cooled radiator, consisting of a movable veil and a drive set of the mobile veil, which are installed horizontally below the tubular radiators, wherein, the drive set is used to veil to open the ventilation channel arranged below the air-cooled radiator. The veil of the radiator prevents the cold air below the air-cooled radiator from ascending to the tubular radiators, and the cold air passing through the air-cooled radiators is cut off, thus preventing the air-cooled radiators from being damaged by frost.
Description
Technical field
The utility model relates to air cooling heat radiator, is the air cooling heat radiator that can prevent from winter to form the natural air stream of the radiator of flowing through specifically.
Background technology
Air cooling heat radiator is that a kind of cold wind that utilizes is realized heat transmission equipment to medium cooling in the radiator, uses in the area that environment temperature is lower, has the advantage of saving refrigerant-water resource with respect to adopting the wet type heat exchanger.Air cooling heat radiator generally is below finned heat radiation tube bank blower fan to be installed, dry to the heat radiation tube bank by blower fan, utilize cold wind heat to be taken in the environment, reach the purpose that the steam state medium condensation of flowing in the heat radiation tube bank or liquid towards medium are cooled as cooling medium.Usually the tube bank of dispelling the heat is level or " people " font is installed in the blower fan top.
Be arranged in the large-scale heat transmission equipment that constitutes together by many groups air cooling heat radiator, be used for the occasion of the big heat exchange amount of needs.For example be used for material is carried out condensation, or steam power plant is used for condensation is carried out in the exhaust steam of Steam Turbine at chemical enterprise.
In recent years, because the water saving characteristic of Air-cooled Unit, in the thermal power plant of northern China water-deficient area, a large amount of cooling coolings of adopting Air-cooled Unit to be used for turbine discharge, make turbine discharge condense into water and enter Turbo-generator Set thermal cycle repeated use, and keep turbine discharge to have certain vacuum, to improve steam turbine acting ability.
The cooling capacity of Air-cooled Unit is subjected to environment temperature and extraneous windage bigger.When for example Air-cooled Unit was moved in the winter time, north cold area particularly was because the ambient atmosphere environment temperature is low, heat transfer temperature difference is big, radiator heat-dissipation is fast, so temperature crosses and can make the condensate water in the tube bank further be frozen into ice when low, is easy to take place the damage of freezing of air cooling heat radiator tube bank.Prevent from the radiator winter operation freeze injury to take place, become the important process in the Direct Air-cooled Unit winter operation.
At present, the antifreeze mode of Air-cooled Unit mainly contains following several:
(1) on the air cooling heat radiator steam-distributing pipe, installs the partition valve additional, guarantee that by the use amount that reduces the heat radiation tube bank tube bank and the non-use tube bank used are not damaged by frost.Because the steam-distributing pipe diameter is about 3000mm, existing major part is an imported valve, and cost is very high, and if leak, can make the damage of freezing of radiator tube bank equally, can not tackle the problem at its root.
(2) adopt the VFC mode, reduce rotation speed of fan in the winter time.Yet, because during winter operation, the cold and hot atmospheric density difference of Air-cooled Unit above and below is bigger, the hot-air rising on radiator top can cause that the cold air of radiator below rises automatically, form the free convection of passing radiating tube interfascicular crack at the radiator upper and lower, even its natural cooling capacity of machine of therefore not blowing in is still very strong, the phenomenon of freezing of radiator tube bank also can often take place, can not tackle the problem at its root.
(3) the 3rd, adopt manual type, can only prevent that hot-air scatters and disappears, and causes the waste of very big human and material resources at article such as some canvas of air cooling heat radiator outer cover.
The utility model content
The purpose of this utility model is to provide a kind of air cooling heat radiator defroster, and the damage problem is frozen in the moving heat radiation tube bank that causes of air spontaneous current when hanging down to solve winter temperature.
The utility model adopts following technical scheme: a kind of antifreezing type air cooling heat radiator, comprise the heat radiation tube bank and be installed in the blower fan that the below is restrained in heat radiation, it is characterized in that, in described heat radiation tube bank lower horizontal movable veil and drive unit thereof are installed, drive unit is used to control described veil and air cooling heat radiator leg space ventilation passage is covered and opens.
The utility model is by installing the veil of level below the heat radiation tube bank, veil is launched air cooling heat radiator leg space ventilation passage is covered fully by drive unit than the cold season joint in the winter time, make the cold airflow of air cooling heat radiator below can't rise to the heat radiation tube bank, be cut off through the cold airflow of air cooling heat radiator, reach and prevent that the air cooling heat radiator tube bank from freezing the effect of damage.After temperature raises, open this veil and then can make the blower fan operate as normal.
Description of drawings
Fig. 1 is the structural representation of air cooling heat radiator defroster of the present utility model.
Fig. 2 is a kind of type of drive schematic diagram.
Fig. 3 is in the schematic diagram of half-open position for a kind of veil.
The specific embodiment
Below in conjunction with the drawings and specific embodiments air cooling heat radiator defroster of the present utility model is described further, to help understanding content of the present utility model.
As shown in Figure 1, a kind of air cooling heat radiator and air cooling heat radiator defroster, comprise and be heat radiation tube bank 1 and the blower fan 2 that is installed in heat radiation tube bank 1 below and the ventilating duct 3 of blower fan that " people " font is installed, in the blower fan lower horizontal movable veil 5 and drive unit 4 thereof are installed, drive unit 4 is used to control described veil 5 and air cooling heat radiator leg space ventilation passage is covered and opens, make that veil 5 below air can not be to rising, can not form the air-flow of the heat radiation tube bank 1 of flowing through, reduced the rate of heat dispation of heat radiation tube bank 1, too fast the causing in pipe that prevent to dispel the heat frozen.
Veil and drive unit thereof can adopt multiple mode, as shown in Figure 1 to Figure 3, are a kind of implementations.Horizontal rail 6 is installed in (or top) both sides below being positioned at blower fan 2 below the heat radiation tube bank 1, one group of slide bar 5 two ends is installed in the horizontal rail 6, be connected with flexible shielding film 7 on the slide bar 5 or be similar to the same hinged folded sheet of folding door or Folding curtain formation veil, shielding film 7 can be cloth or plastic or other material, adopt the folding mode one end other end shown in Fig. 2 to be fixed motionless, or as being wound on the axle of takeup type curtain, structure is so that draw in and launch.Drive unit adopts servomotor 4, servomotor 4 output shafts directly or by speed changer are equipped with driving wheel 8, driving belt 10 stretch-draw are at driving wheel 8 and be installed on the driven pulley 9 of track other end position, and an outermost slide bar and driving belt 10 are fixedly connected.In conjunction with Fig. 2 and shown in Figure 3, utilize servomotor 4 to drive and transmit skin 10 by driving wheel 8, feed belt 10 drives outermost slide bars 5 when two lateral movements, and slide bar 5 just drives shielding film and launches or draw in, thus the purpose that the passage by cold air below the tube bank that realizes dispel the heat covers or opens.Can also travel switch 11 be installed in 5 two end point of travel positions of slide bar as required, so that it moves into place the back autostop.Except that adopting the driving belt transmission, can also adopt the multiple kinds of drive such as chain drive or rack-and-pinion transmission.Servomotor can also replace with air motor.This mode not only screening effect is good, and is convenient to the maintenance to blower fan.
Certainly, veil and drive unit thereof can also adopt electric-powered shutter or electric rolling, and its structure is not described in detail as prior art.Electric-powered shutter be installed in the air cooling steel construction the bottom or, adopt aerated film, utilize inflation and venting to realize the expansion of film, cover purpose to reach.If these devices adopt fire proofing to make, irregularly has fire-proof function.
Claims (4)
1, a kind of air cooling heat radiator defroster is characterized in that, in described heat radiation tube bank lower horizontal movable veil and drive unit thereof is installed, and drive unit is used to control described veil and air cooling heat radiator leg space ventilation passage is covered and opens.
2, air cooling heat radiator defroster as claimed in claim 1, it is characterized in that: horizontal rail is installed in both sides below described heat radiation tube bank, one group of slide bar two ends is installed in the described horizontal rail, be connected with flexible shielding film on the slide bar or hinged folded sheet forms described veil, the shielding film or the folded sheet other end are fixed; Described drive unit is a motor, drives described slide bar by transmission mechanism and slides along slide rail, makes shielding film or folded sheet open and draw in.
3, air cooling heat radiator defroster as claimed in claim 2, it is characterized in that: the driving wheel that described transmission mechanism comprises on the described motor output shaft directly or installs by speed changer, and driven pulley that is installed in the described slide rail other end, driving belt or chain stretch-draw are on driving wheel and driven pulley, and outermost slide bar is connected with described driving belt or chain in the described slide bar.
4, air cooling heat radiator defroster as claimed in claim 1 is characterized in that: described veil and drive unit thereof are electric-powered shutter, electric rolling, electric foldable plate or electric foldable curtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720194403XU CN201138155Y (en) | 2007-11-28 | 2007-11-28 | Anti-freezing device of air cooling heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720194403XU CN201138155Y (en) | 2007-11-28 | 2007-11-28 | Anti-freezing device of air cooling heat radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138155Y true CN201138155Y (en) | 2008-10-22 |
Family
ID=40038840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720194403XU Expired - Fee Related CN201138155Y (en) | 2007-11-28 | 2007-11-28 | Anti-freezing device of air cooling heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138155Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305555A (en) * | 2011-08-01 | 2012-01-04 | 山西省电力勘测设计院 | Indirect air cooling tower with horizontally arranged radiator and parameter determination method thereof |
| CN102330811A (en) * | 2011-07-29 | 2012-01-25 | 浙江伟博包装印刷品有限公司 | Gearbox |
| CN102328488A (en) * | 2011-07-29 | 2012-01-25 | 浙江伟博包装印刷品有限公司 | Speed changer |
-
2007
- 2007-11-28 CN CNU200720194403XU patent/CN201138155Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330811A (en) * | 2011-07-29 | 2012-01-25 | 浙江伟博包装印刷品有限公司 | Gearbox |
| CN102328488A (en) * | 2011-07-29 | 2012-01-25 | 浙江伟博包装印刷品有限公司 | Speed changer |
| CN102305555A (en) * | 2011-08-01 | 2012-01-04 | 山西省电力勘测设计院 | Indirect air cooling tower with horizontally arranged radiator and parameter determination method thereof |
| CN102305555B (en) * | 2011-08-01 | 2012-10-10 | 山西省电力勘测设计院 | Parameter determination method of indirect air cooling tower with horizontally arranged radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20091228 |