CN213179515U - Anti-freezing flow guide device of air cooling radiator - Google Patents
Anti-freezing flow guide device of air cooling radiator Download PDFInfo
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- CN213179515U CN213179515U CN202021430424.9U CN202021430424U CN213179515U CN 213179515 U CN213179515 U CN 213179515U CN 202021430424 U CN202021430424 U CN 202021430424U CN 213179515 U CN213179515 U CN 213179515U
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Abstract
The utility model discloses an air cooling radiator's guiding device that prevents frostbite, including the air cooling island, the guiding device that prevents frostbite is installed in the top exit on air cooling island, the guiding device that prevents frostbite is including installing in the mounting panel at air cooling island top, the band pulley is installed to the top both sides of mounting panel, the slide rail is installed to one side of band pulley, sliding connection has two sets of sliders on the slide rail, the exit that the top of mounting panel is located the air cooling island is equipped with two sets of guide plates, the hinge seat is installed to the bottom both sides of guide plate, structural design is novel, can prevent effectively that the air cooling island from freezing shortcoming that can not normally operate in winter, play fine frostproofing effect, when the circulation area regulation expandes in the air cooling island export simultaneously, reduce.
Description
Technical Field
The utility model relates to an air cooling radiator technical field specifically is an air cooling radiator's guiding device that prevents frostbite.
Background
Compared with the traditional wet-cooling thermal power generating unit, the water consumption can be saved by adopting the direct air cooling mode of the air cooling island, and the problems of plant address and capacity scale by water and the like do not exist, so that the water-deficient water-cooled wet-cooling thermal power generating unit is gradually the mainstream in northern China.
The direct air cooling mode uses ambient air as the cooling medium of steam turbine exhaust, and ambient air is by direct heating behind the condenser through the air cooling island, because the fan during operation forms the negative pressure zone in air cooling island bottom entrance, and the partial ambient air that heats can be sucked and form hot-blast backward flow phenomenon to the fan entry to reduce unit heat exchange efficiency, cause the quick rising of steam turbine backpressure even, threaten the safe operation of unit. The hot air backflow is mainly related to the structural size of the air cooling island, and the prevention and treatment measures adopted by each power plant at present are generally to build wind-blocking walls around the air cooling platform, so that an obvious effect is achieved. In addition, the hot air backflow is closely related to the height and the layout of surrounding buildings, and researches show that ambient air can form a vortex area between the air cooling platform and the plant, hot air in the vortex area passes through a gap between the air cooling island and the steam turbine room and then is sucked into the air cooling island by a fan, and the influence of the hot air backflow phenomenon is aggravated along with the increase of ambient wind speed.
Air cooling power stations in China are mostly built in areas with cold climate, large temperature difference all year round and day and night. In northern cold winter, the low temperature can cause the condenser to freeze in a large area and even frost crack to cause accidents. At present, the heat preservation method commonly adopted by the power plant is to cover a cotton blanket on the outer surface of a radiator for heat preservation, or to plug the cotton blanket in an air duct of an air inlet of a fan for weakening air circulation. Due to the large space of the air cooling island, the method has the problems of high labor intensity and easy blowing of the cotton blanket, and is difficult to achieve a good heat preservation effect.
Based on this, the utility model designs an air cooling radiator's guiding device that prevents frostbite to solve the above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air cooling radiator's guiding device that prevents frostbite to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air cooling radiator's guiding device that prevents frostbite, includes the air cooling island, the bottom import department in air cooling island installs the wind-guiding frame, install the fan on the wind-guiding frame, the inside in air cooling island is located the top of fan is installed and is joined in marriage steam pipe, finned tube bank and condensate header, it is located respectively to join in marriage steam pipe and condensate header the top and the bottom of finned tube bank, the guiding device that prevents frostbite is installed in the top exit in air cooling island, the guiding device that prevents frostbite is including installing in the mounting panel at air cooling island top, the band pulley is installed to the top both sides of mounting panel, and is two sets of connect through the belt between the band pulley, one side the band pulley is connected with driving motor's output, the slide rail is installed to one side of band pulley, sliding connection has two sets of sliders on the slide rail, the exit that the top, hinge seat is installed to the bottom both sides of guide plate, and two sets of one end of slider is connected respectively in the inboard and the outside of belt, and two sets of the other end of slider is connected with the hinge seat that sets up in the inboard of guide plate through the pivot, the hinge seat in the guide plate outside is fixed in through the pivot the tip of slide rail.
Preferably, the mounting plate is provided with a through cavity which is the same as the outlet of the air cooling island.
Preferably, a motor base is fixed at one end of the sliding rail, and the driving motor is fixed on the motor base.
Preferably, the sliding block comprises a first sliding block and a second sliding block which are connected to the sliding rail in a sliding mode, the first sliding block is fixedly connected with the outer side belt of the belt through a second connecting clamping block, and the second sliding block is fixedly connected with the inner side belt of the belt through the first connecting clamping block.
Preferably, the first sliding block and the second sliding block are symmetrically arranged on two sides of the top of the through cavity.
Preferably, two groups of the guide plates are symmetrically arranged on two sides of the top of the through cavity.
Preferably, the guide plate comprises two groups of first guide plates which are rotatably connected through a hinge shaft, rotating shafts are inserted into two ends of the sliding rail, and the bottom of one side, far away from the first guide plates, of the guide plate is connected with the rotating shafts through a hinge shaft seat.
Preferably, the tube core of the finned tube bundle is filled with a Freon heat exchange medium.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of air cooling radiator's guiding device that prevents frostbite structural design is novel, can prevent effectively that the air cooling island from freezing the shortcoming that can not normally operate in winter, plays fine frostproofing effect, when air cooling island export flow area adjusts the expansion simultaneously, reduces the space that occupies, simple structure, regulation nimble convenience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is an enlarged view of part a of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. an air cooling island; 2. an air guide frame; 3. a fan; 4. a steam distribution pipe; 5. a finned tube bundle; 6. a condensate header; 7. an anti-freezing flow guide device; 8. mounting a plate; 9. a pulley; 10. a belt; 11. a slide rail; 12. a slider; 121. a first sliding block; 122. a second sliding block; 13. connecting the first clamping block; 14. connecting a second clamping block; 15. a drive motor; 16. a baffle; 161. a first guide plate; 162. hinging a shaft; 17. a rotating shaft; 18. a hinge shaft seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides a technical solution: an anti-freezing flow guide device of an air cooling radiator comprises an air cooling island 1, wherein a wind guide frame 2 is installed at the bottom inlet of the air cooling island 1, a fan 3 is installed on the wind guide frame 2, a steam distribution pipe 4, a finned tube bundle 5 and a condensed water header 6 are installed in the air cooling island 1 and above the fan 3, the steam distribution pipe 4 and the condensed water header 6 are respectively located at the top and the bottom of the finned tube bundle 5, an anti-freezing flow guide device 7 is installed at the top outlet of the air cooling island 1, the anti-freezing flow guide device 7 comprises an installation plate 8 installed at the top of the air cooling island 1, belt wheels 9 are installed on two sides of the top of the installation plate 8, the two groups of belt wheels 9 are connected through a belt 10, one belt wheel 9 is connected with the output end of a driving motor 15, a slide rail 11 is installed on one side of the belt wheel 9, two groups of slide blocks 12 are slidably connected, hinge seats 18 are installed on two sides of the bottom of the guide plate 16, one ends of the two groups of sliding blocks 12 are respectively connected to the inner side and the outer side of the belt 10, the other ends of the two groups of sliding blocks 12 are connected with the hinge seats 18 arranged on the inner side of the guide plate 16 through rotating shafts 17, and the hinge seats 18 on the outer side of the guide plate 16 are fixed on the end portions of the sliding rails 11 through the rotating shafts 17.
Wherein, the mounting panel 8 is provided with a through cavity which is the same as the outlet of the air cooling island 1, the structural design is reasonable, and the air in the air cooling island 1 can be conveniently discharged.
Wherein, the one end of slide rail 11 is fixed with the motor cabinet, and driving motor 15 is fixed in on the motor cabinet.
The sliding block 12 comprises a first sliding block 121 and a second sliding block 122 which are connected to the sliding rail 11 in a sliding manner, the first sliding block 121 is fixedly connected with an outer side belt of the belt 10 through a second connecting clamping block 14, and the second sliding block 122 is fixedly connected with an inner side belt of the belt 10 through a first connecting clamping block 13; the first sliding block 121 and the second sliding block 122 are symmetrically arranged on two sides of the top of the through cavity and fixed on the first connecting clamping block 13 and the second connecting clamping block 14, so that when the belt 10 moves, the first sliding block 121 and the second sliding block 122 can synchronously move in opposite directions.
Wherein, the guide plate 16 includes two sets of guide plates 161 that rotate the connection mutually through articulated shaft 162, and the guide plate 16 comprises two guide plates 161, when the export flow area of air cooling island 1 is adjusted, can expand, when expanding, reduces the space that occupies, and the both ends of slide rail 11 are pegged graft and are had pivot 17, and one side bottom that guide plate 161 kept away from mutually is connected with pivot 17 through articulated shaft seat 18 for guide plate 161 takes place to rotate at the removal in-process.
The tube core of the finned tube bundle 5 is filled with a Freon heat exchange medium, and the freezing point temperature of Freon is-107 ℃ (minus 107 ℃), so freezing and cracking cannot occur even in severe cold temperature.
The specific working principle is as follows:
in order to avoid freezing of the condenser, when the ambient temperature is reduced or the gas generating capacity of the unit is reduced, the driving motor 15 is started to work, the belt 10 is driven to rotate through the two belt wheels 9, and each guide plate 16 consists of a first guide plate 161 and a hinge shaft 162, so that the first guide plate 161 positioned on the inner side synchronously moves outwards under the action of a first slider 121, a second slider 122, a first connecting clamping block 13 and a second connecting clamping block 14 which are fixed on the belt 10 in the movement process of the belt 19, the first guide plate 16 connected through the hinge shaft 162 is completely stretched, and the outlet of the air cooling island 1 is closed.
When the ambient temperature rises or the gas production of the unit increases, start driving motor 15 and carry out the counter rotation, adjust two guide plates 16 that connect through articulated shaft 162 and open to both sides, the opening between two guide plates 16 can be controlled moreover, and the air that is handled by the condenser will continue to rise along guide plate 16 after 1 export outflow of air cooling island, places the cold wind backward flow to improve air cooling unit heat exchange efficiency.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides an air cooling radiator's guiding device that prevents frostbite, includes air cooling island (1), its characterized in that: the air cooling island is characterized in that an air guide frame (2) is installed at an inlet at the bottom of the air cooling island (1), a fan (3) is installed on the air guide frame (2), a steam distribution pipe (4), a fin tube bundle (5) and a condensed water header (6) are installed above the fan (3) inside the air cooling island (1), the steam distribution pipe (4) and the condensed water header (6) are respectively located at the top and the bottom of the fin tube bundle (5), an anti-freezing flow guide device (7) is installed at an outlet at the top of the air cooling island (1), the anti-freezing flow guide device (7) comprises an installation plate (8) installed at the top of the air cooling island (1), belt wheels (9) are installed on two sides of the top of the installation plate (8), the two sets of belt wheels (9) are connected through belts (10), and the belt wheels (9) are connected with the output end of a driving motor (15), slide rail (11) are installed to one side of band pulley (9), sliding connection has two sets of sliders (12) on slide rail (11), the exit that the top of mounting panel (8) is located air cooling island (1) is equipped with two sets of guide plate (16), hinge axle seat (18) are installed to the bottom both sides of guide plate (16), and are two sets of the one end of slider (12) connect respectively in the inboard and the outside of belt (10), two sets of the other end of slider (12) is in with the setting through pivot (17) hinge axle seat (18) of guide plate (16) inboard are connected, hinge axle seat (18) in the guide plate (16) outside is fixed in through pivot (17) the tip of slide rail (11).
2. The antifreeze flow-guiding device of the air-cooled radiator of claim 1, wherein: the mounting plate (8) is provided with a through cavity which is the same as the outlet of the air cooling island (1).
3. The antifreeze flow-guiding device of the air-cooled radiator of claim 1, wherein: a motor base is fixed at one end of the sliding rail (11), and the driving motor (15) is fixed on the motor base.
4. The antifreeze flow-guiding device of the air-cooled radiator of claim 1, wherein: the sliding block (12) comprises a first sliding block (121) and a second sliding block (122) which are connected to the sliding rail (11) in a sliding mode, the first sliding block (121) is fixedly connected with the outer side belt of the belt (10) through a second connecting clamping block (14), and the second sliding block (122) is fixedly connected with the inner side belt of the belt (10) through a first connecting clamping block (13).
5. The antifreeze flow guiding device of the air-cooled radiator of claim 4, wherein: the first sliding block (121) and the second sliding block (122) are symmetrically arranged on two sides of the top of the through cavity.
6. The antifreeze flow-guiding device of the air-cooled radiator of claim 1, wherein: two groups of guide plates (16) are symmetrically arranged on two sides of the top of the through cavity.
7. The antifreeze flow-guiding device of the air-cooled radiator of claim 1, wherein: the guide plate (16) comprises two groups of first guide plates (161) which are rotatably connected through a hinge shaft (162), two ends of the sliding rail (11) are inserted with a rotating shaft (17), and the bottom of one side, far away from the first guide plates (161), of the guide plate is connected with the rotating shaft (17) through a hinge shaft seat (18).
8. The antifreeze flow-guiding device of the air-cooled radiator of claim 1, wherein: the tube core of the finned tube bundle (5) is filled with a Freon heat exchange medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021430424.9U CN213179515U (en) | 2020-07-20 | 2020-07-20 | Anti-freezing flow guide device of air cooling radiator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021430424.9U CN213179515U (en) | 2020-07-20 | 2020-07-20 | Anti-freezing flow guide device of air cooling radiator |
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| CN213179515U true CN213179515U (en) | 2021-05-11 |
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| CN202021430424.9U Active CN213179515U (en) | 2020-07-20 | 2020-07-20 | Anti-freezing flow guide device of air cooling radiator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418405A (en) * | 2021-06-01 | 2021-09-21 | 中广核工程有限公司 | Method and system for preventing nuclear power condenser from freezing |
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2020
- 2020-07-20 CN CN202021430424.9U patent/CN213179515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418405A (en) * | 2021-06-01 | 2021-09-21 | 中广核工程有限公司 | Method and system for preventing nuclear power condenser from freezing |
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