CN214502209U

CN214502209U - Ventilation system for closed cooling tower

Info

Publication number: CN214502209U
Application number: CN202120601926.1U
Authority: CN
Inventors: 夏楠
Original assignee: Wuxi Zhishui Environmental Protection Technology Co ltd
Current assignee: Wuxi Zhishui Environmental Protection Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-10-26
Anticipated expiration: 2031-03-24

Abstract

The application relates to the field of closed cooling towers, in particular to a ventilation system for a closed cooling tower. The air guide plate is hinged to the ventilation plate, and the ventilation plate is connected with a filter screen. The filter screen can be dismantled with the ventilating board and be connected, and the filter screen setting is close to the outside one side of cooling tower at the ventilating board. The present application has the effect of reducing the ingress of impurities and dust from the vent into the interior of the cooling tower.

Description

Ventilation system for closed cooling tower

Technical Field

The application relates to the field of closed cooling towers, in particular to a ventilation system for a closed cooling tower.

Background

The cooling tower has the function of exchanging heat between the fluid medium carrying the waste heat and air in the tower, transmitting the heat of the fluid medium to the air and dissipating the heat into the atmosphere, and cooling the fluid medium. Closed cooling towers are a variation and development of conventional cooling towers. The closed cooling tower is suitable for various cooling systems with higher requirements on circulating water quality, and has application prospects in electric power, chemical industry, steel, food and many industrial departments.

The closed cooling tower arranges the tubular heat exchanger in the tower, and the cooling effect is ensured through the heat exchange of circulated air, spray water and circulating water. Because of closed circulation, the water quality can be ensured not to be polluted, the high-efficiency operation of the main equipment is well protected, and the service life is prolonged. When the outside air temperature is low, the spray water system can be stopped, and the water-saving effect is achieved.

The utility model with the granted publication number CN212179623U discloses a closed cooling tower. The cooling tower comprises a tower body, wherein an air inlet is formed in the tower body, a plurality of heat exchange tubes are arranged in the tower body, an air guide shell with one sealed end is arranged on the inner wall of the tower body, the opening of the air guide shell is downward and higher than the air inlet, a plurality of air outlets are formed in one side, adjacent to the heat exchange tubes, of the air guide shell, and the air outlets are arranged between the heat exchange tubes in vertical arrangement.

In view of the above-mentioned related art, the inventor thinks that impurity dust in the air enters into the cooling tower from the air intake together with the air inside, and the air is discharged outside the cooling tower from gas outlet and fan gas vent, and impurity and dust drop in the water tank in the cooling tower because of the dead weight easily, and when the water pump started, impurity and dust can get into the water pump inside along with liquid together, wear the impeller in the water pump, and the water pump carries the liquid that contains impurity to the spray line, may also block the shower nozzle, leads to spraying unsmoothly.

SUMMERY OF THE UTILITY MODEL

In order to reduce the entry of impurities and dust from the vent into the interior of the cooling tower, the present application provides a ventilation system for a closed cooling tower.

The application provides a ventilation system for closed cooling tower adopts following technical scheme:

the utility model provides a ventilation system for closed cooling tower, is including being used for installing the ventilating board on the cooling tower lateral wall, the ventilating board rotates with the cooling tower to be connected, it has the aviation baffle to articulate on the ventilating board, the ventilating board is connected with the filter screen.

Through adopting above-mentioned technical scheme, set up the ventilating board at the cooling tower lateral wall, make outside air can enter into inside the cooling tower, carry out heat exchange with the liquid in the heat exchange tube, realize the cooling to the liquid in the heat exchange tube, connect the filter screen on the ventilating board, can reduce impurity and dust in the air effectively and get into inside the cooling tower, reduce the possibility that the water in the cooling tower water tank received the pollution. The ventilating plate is hinged to the air guide plate and is rotatably connected with the cooling tower, and the angle of the air guide plate can be adjusted according to the outdoor wind direction, so that more air enters the cooling tower, and better heat exchange is performed on the air and liquid in the heat exchange pipe.

Optionally, the filter screen and the ventilating board can be dismantled and be connected, the filter screen sets up in the ventilating board and is close to the outside one side of cooling tower.

Through adopting above-mentioned technical scheme, the filter screen can be dismantled with the ventilating board and be connected and the filter screen setting is in the outside one side of being close to the cooling tower, and the staff of being convenient for changes or clears up the filter screen.

Optionally, the cooling tower is rotatably connected with a driven gear, the driven gear is fixedly connected with the ventilation plate, and the driven gear is provided with a connecting hole.

Through adopting above-mentioned technical scheme, the drive driven gear rotates, realizes the rotation of ventilating board, sets up the connecting hole on driven gear for inside outside air can enter into the cooling tower.

Optionally, the cooling tower is rotatably connected with a driving gear, and the driving gear is meshed with a driven gear.

Through adopting above-mentioned technical scheme, the drive driving gear rotates, and the driving gear drives driven gear and rotates for the ventilating board rotates, makes inside the outside air can get into the cooling tower better, carries out heat exchange with the liquid in the heat exchange tube.

Optionally, the air deflector is hinged to the ventilation plate through a rotating shaft, the rotating shaft is rotatably connected with the ventilation plate, and the rotating shaft is fixedly connected with the air deflector.

Through adopting above-mentioned technical scheme, the drive axis of rotation rotates for the aviation baffle, adjusts the angle of aviation baffle, makes inside the outside air can enter into the cooling tower better.

Optionally, a disc is fixedly connected to one end of the rotating shaft in a coaxial mode, a guide rod is hinged to the disc in an eccentric mode, the ventilating plate is connected with a worm wheel in a rotating mode, and one end, far away from the disc, of the guide rod is hinged to the worm wheel in an eccentric mode.

By adopting the technical scheme, the worm gear is driven to rotate, so that the guide rod moves, the guide rod drives the disc to rotate, the rotating shaft coaxially and fixedly connected with the disc rotates, and the angle adjustment of the air deflector is realized.

Optionally, the ventilation plate is rotatably connected with a worm, and the worm is meshed with the worm wheel.

By adopting the technical scheme, the worm wheel is rotated by driving the worm to rotate, the angle of the air deflector is adjusted by driving the rotating shaft to rotate, the worm wheel and the worm have a self-locking function, and the air deflector can keep the angle after the proper angle is adjusted.

Optionally, the air deflector is provided in plurality, the disks are correspondingly provided in plurality, and the disks are hinged to the same guide rod.

By adopting the technical scheme, the air guide plates are arranged, so that the air guide plates have better guiding effect on the outside air, and the angle adjustment of the air guide plates can be realized by connecting the air guide plates with the same guide rod and driving one guide rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the filter screen, impurities and dust in the air are reduced from entering the cooling tower, the possibility of pollution of water in a water tank of the cooling tower is reduced, and the cyclic utilization rate of the water in the water tank is improved;

2. the ventilating plate is connected with the cooling tower in a rotating mode, the ventilating plate is hinged to the air guide plates, air inlet angles can be adjusted according to different wind directions, external air can better enter the cooling tower, and heat exchange is conducted between the external air and liquid in the heat exchange pipes.

Drawings

Fig. 1 is an exploded view of a ventilation system for a closed cooling tower.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an exploded view of a connection structure of the air deflection plate and the ventilation plate.

Description of reference numerals: 1. a cooling tower; 2. a ventilation board; 21. an air deflector; 22. a rotating shaft; 23. a disc; 24. a guide bar; 25. a worm gear; 26. a worm; 3. filtering with a screen; 40. a motor; 41. a driving gear; 42. a driven gear; 421. and connecting the holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a ventilation system for closed cooling tower.

Referring to fig. 1, the ventilation system for the closed cooling tower includes ventilation plates 2 installed on the side walls of a cooling tower 1, the ventilation plates 2 are rotatably connected to the cooling tower 1, and one ventilation plate 2 is provided on each side wall of the cooling tower 1.

Referring to fig. 2, the cooling tower 1 is rotatably connected with a driving gear 41, the cooling tower 1 is fixedly connected with a motor 40 through an extension plate, and an output shaft of the motor 40 is coaxially and fixedly connected with the driving gear 41. The cooling tower 1 is further rotatably connected with a driven gear 42, the driven gear 42 is meshed with the driving gear 41 and is fixedly connected with the ventilating plate 2, and the driven gear 42 is provided with a connecting hole 421.

The driving motor 40 rotates to rotate the driving gear 41 to rotate the driven gear 42, so that the ventilation board 2 can rotate.

Referring to fig. 2, 2 joints of ventilating board have filter screen 3, and filter screen 3 is located ventilating board 2 and keeps away from the inside one side of cooling tower 1. The filter screen 3 is convenient for workers to replace and clean.

Referring to fig. 3, a plurality of air deflectors 21 are hinged to the ventilation plate 2, and the plurality of air deflectors 21 are arranged in parallel. The air deflector 21 is fixedly connected with a rotating shaft 22, the rotating shaft 22 is rotatably connected with the ventilating plate 2, and the rotating shaft 22 is coaxially and fixedly connected with a disc 23. The ventilation board 2 is rotatably connected with a worm 26, and one end of the worm 26 is fixedly connected with a handle. The worm 26 is engaged with a worm wheel 25 which is rotatably connected with the ventilating plate 2, and the worm wheel 25 is eccentrically hinged with a guide rod 24. The guide rod 24 is eccentrically hinged to each of the plurality of disks 23.

The driving handle rotates, so that the worm 26 and the worm wheel 25 rotate, and the guide rod 24 drives the plurality of discs 23 to rotate, thereby realizing the angle adjustment of the plurality of air deflectors 21.

The implementation principle of the ventilation system for the closed cooling tower in the embodiment of the application is as follows: when the liquid in the heat exchange pipe in the cooling tower 1 is cooled, the handle is rotated according to the outdoor wind direction, the angle of the air deflector 21 is adjusted, and the motor 40 is driven to rotate the air deflector 2 to a proper angle. The air guide plates 21 and the air guide plates 2 around the cooling tower 1 can be in different angular positions. The adjustment of the ventilation board 2 and the air deflector 21 makes the air entering the cooling tower 1 more and perform better heat exchange with the liquid in the heat exchange pipe. Set up filter screen 3 on ventilating board 2 simultaneously, impurity and dust in can effectively reducing the air get into inside cooling tower 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A ventilation system for a closed cooling tower, comprising ventilation panels (2) for mounting on the side walls of the cooling tower (1), characterized in that: the ventilating plate (2) is rotatably connected with the cooling tower (1), an air deflector (21) is hinged to the ventilating plate (2), and the ventilating plate (2) is connected with a filter screen (3).

2. The ventilation system for a closed cooling tower according to claim 1, wherein: the filter screen (3) can be dismantled with ventilating board (2) and be connected, filter screen (3) set up in ventilating board (2) and are close to the outside one side of cooling tower (1).

3. The ventilation system for a closed cooling tower according to claim 1, wherein: the cooling tower (1) is rotatably connected with a driven gear (42), the driven gear (42) is fixedly connected with the ventilating plate (2), and the driven gear (42) is provided with a connecting hole (421).

4. The ventilation system for a closed cooling tower according to claim 3, wherein: the cooling tower (1) is rotationally connected with a driving gear (41), and the driving gear (41) is meshed with a driven gear (42) and is connected with the driven gear.

5. The ventilation system for a closed cooling tower according to claim 1, wherein: the air guide plate (21) is hinged to the ventilating plate (2) through a rotating shaft (22), the rotating shaft (22) is rotatably connected with the ventilating plate (2), and the rotating shaft (22) is fixedly connected with the air guide plate (21).

6. The ventilation system for a closed cooling tower of claim 5, wherein: the coaxial rigid coupling of one end of axis of rotation (22) has disc (23), disc (23) eccentric hinge has guide arm (24), ventilating board (2) rotate and are connected with worm wheel (25), the one end that disc (23) were kept away from in guide arm (24) is eccentric articulated with worm wheel (25).

7. The ventilation system for a closed cooling tower of claim 6, wherein: the ventilating plate (2) is rotatably connected with a worm (26), and the worm (26) is meshed with the worm wheel (25).

8. The ventilation system for a closed cooling tower of claim 6, wherein: the air guide plates (21) are arranged in a plurality, the discs (23) are correspondingly arranged in a plurality, and the discs (23) are hinged with the same guide rod (24).