CN214792631U

CN214792631U - Secondary spray type cooling tower

Info

Publication number: CN214792631U
Application number: CN202120028851.2U
Authority: CN
Inventors: 俞林忠
Original assignee: Shaoxing Yiken Environmental Technology Co ltd
Current assignee: Shaoxing Yiken Environmental Technology Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-11-19
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a secondary spray cooling tower, which comprises a cooling tower body, wherein a cooling chamber is formed at the middle position in the cooling tower body, the bottom of the cooling tower body is provided with a cooling water pool, the top of the cooling tower body is provided with an air outlet, a secondary spraying assembly is arranged in the cooling tower body and comprises a collecting tank, a collecting tank and a secondary water spraying pipe, the concentration box is fixed at the connecting position of two adjacent inner walls of the cooling tower body, the collecting grooves are fixed on the two adjacent inner walls and incline downwards towards the direction of the concentration box, one end of the collecting tank close to the collecting box is communicated to the inside of the collecting box, the secondary spray pipe is vertically arranged above the collecting box, a water pump is arranged in the collecting box, the lower end of the secondary spray pipe is positioned in the collecting box and is connected to the water pump, and a plurality of secondary spray heads are arranged on one side of the secondary spray pipe close to the center of the cooling tower body.

Description

Secondary spray type cooling tower

Technical Field

The utility model relates to a cooling tower technical field especially relates to a secondary atomizing cooling tower.

Background

The spray cooling tower adopts a spray ventilation atomization device, is driven by hydraulic power, the low-pressure liquid flow generates fog flow through a rotational flow atomization nozzle, the air-water ratio can reach 1.0-1.3, and atomized drops and tower inlet air exchange heat under the condition of fog to obtain the expected cooling effect. The hot water in the tower exchanges heat with the air entering the tower under the condition of fog, the heat transfer area and the air-water ratio are large, the heat transfer and mass transfer route between air and water is long, the heat transfer and mass transfer are sufficient, the cooling capacity of the tower is enhanced, and the cooling effect is obvious.

The waste heat generated in the industrial production or refrigeration process is generally carried away by cooling water, and the spray cooling tower has the function that the cooling water carrying the waste heat exchanges heat with air in the tower, so that the waste heat is transferred to the air and is dispersed to the atmosphere. The existing spray cooling tower is provided with a cooling chamber in the tower, a cooling water pool is arranged below the tower, and hot water drops into the cooling water pool after being cooled in the cooling chamber. However, in the actual cooling process, a lot of hot water is sprayed onto the inner wall of the cooling tower, and the hot water cannot be sufficiently contacted with the air in the cooling tower, but directly flows into the cooling water pool along the inner wall, thereby resulting in poor cooling effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a secondary atomizing cooling tower can improve the cooling tower and to the holistic cooling effect of hot water, makes the water that directly spouts on the inner wall also can be in the blowout cooling tower once more to with the air in the cooling tower contact and cool off, flow into the cooling water pond again and go. And the hot water sprayed twice can be prevented from being directly sprayed to the inner wall of the cooling tower again.

The above technical purpose of the present invention can be achieved by the following technical solutions: a secondary spray type cooling tower comprises a cooling tower body, a cooling chamber is formed in the middle of the cooling tower body, a cooling water pool is arranged at the bottom of the cooling tower body, an air outlet is formed in the top of the cooling tower body, a motor frame is arranged at the center of the air outlet, a fan assembly is arranged on the motor frame, a horizontal main spray pipe is arranged at the lower end of the inside of the cooling tower body, a plurality of water spray branch pipes are uniformly distributed on the main spray pipe, spray heads are arranged at one ends, far away from the main spray pipe, of the water spray branch pipes, the cross section of the cooling tower body is square, a secondary spray assembly is arranged inside the cooling tower body and comprises a collecting tank, a concentration tank and a secondary spray pipe, the concentration tank is fixed at the connection position of two adjacent inner walls of the cooling tower body, the collecting tank is fixed on the two adjacent inner walls and inclines downwards towards the direction of the concentration tank, one end of the collecting tank close to the concentrating box is communicated to the inside of the concentrating box, the secondary spray pipe is vertically arranged above the concentrating box, a water pump is arranged in the concentrating box, the lower end of the secondary spray pipe is located inside the concentrating box and connected to the water pump, and a plurality of secondary spray heads are arranged on one side of the secondary spray pipe close to the center of the cooling tower body.

Through the technical scheme, hot water directly sprayed onto the inner wall of the cooling tower body in the spraying head flows downwards to the collecting tank along the inner wall of the cooling tower body and continues to flow downwards to the concentration tank along the collecting tank, and the concentration tank collects the hot water which is not fully cooled. The hot water in the concentrated case collects and starts the water pump after more, and the hot water in the concentrated case is spout from the secondary spray head through the secondary spray pipe, and this internal air contact of hot water after spouting and cooling tower cools off again to guarantee that this part hot water also can have the chance and the abundant contact of air and cool off, improve the whole cooling efficiency of cooling tower.

The utility model discloses still further set up to: the cooling tower is characterized in that an air inlet part is arranged on the side wall of the lower part of the cooling tower body, inclined air inlet shutters are uniformly distributed on the air inlet part along the vertical direction, and one side of air inlet of each air inlet shutter inclines upwards.

Through above-mentioned technical scheme, the water that can prevent on the cooling tower body inner wall from flowing to the cooling tower body outside from air inlet shutter is located to the air inlet one side tilt up setting of air inlet shutter.

The utility model discloses still further set up to: the number of the secondary spraying assemblies is two, and the secondary spraying assemblies are respectively positioned at the diagonal positions inside the cooling tower body.

Through above-mentioned technical scheme, the diagonal angle sets up two secondary spraying subassemblies and just in time every secondary spraying subassembly is collected the hot water on its both sides inner wall respectively, improves collection efficiency on the one hand, and on the other hand diagonal angle sets up and can make spun hot water spout towards diagonal direction again, and spun hot water is farthest away from the opposite inner wall this moment, can not spout on the inner wall again.

The utility model discloses still further set up to: the secondary spray head is arranged obliquely upwards, and an included angle between the secondary spray head and the horizontal plane is 45-60 degrees.

Through above-mentioned technical scheme, the secondary atomising head slope upwards sets up and to make spun hot water drop again after upwards moving to can contact with the air in the cooling tower more.

The utility model discloses still further set up to: and a guide air duct is arranged below the air outlet, and an opening at the upper end of the guide air duct is gradually reduced towards one side of the air outlet.

Through above-mentioned technical scheme, this internal air of cooling tower concentrates through the air guide duct in the upward movement process and discharges from the air outlet, improves this internal air cycle efficiency of cooling tower.

The utility model discloses still further set up to: the fan assembly is located directly over the guide air duct and comprises an axial flow fan, an inverted speed reducer and a driving motor, the inverted speed reducer and the driving motor are both mounted on the motor frame, and the axial flow fan is arranged on an output shaft of the inverted speed reducer.

Through above-mentioned technical scheme, the fan subassembly enables the inside upper portion space of cooling tower body and forms the negative pressure to make the air get into the cooling tower body from the lower extreme of cooling tower body inside and upwards move, the heat exchange is accomplished with hot water in the motion process, finally discharges from air outlet department.

The utility model discloses still further set up to: the cooling tower is characterized in that a water collector is arranged in the cooling tower body and fixed on the inner wall of the cooling tower body, and the water collector is located below the flow guide air duct.

Through the technical scheme, the water collector can capture fine water drops brought out along with the air flow, so that the air blowing loss of the cooling tower is reduced.

Drawings

FIG. 1 is a schematic view of the internal structure of the cooling tower body of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a cross-sectional view taken along direction C of fig. 2 according to the present invention.

The reference numbers in the figures mean: 1. a cooling tower body; 2. a cooling chamber; 3. a cooling water pool; 4. an air outlet; 5. a motor frame; 6. a fan assembly; 7. an air inlet shutter; 8. a main spray pipe; 9. a water spray branch pipe; 10. a sprinkler head; 11. a secondary spray assembly; 12. collecting tank; 13. a concentration box; 14. a secondary water spray pipe; 15. a water pump; 16. a secondary spray head; 17. a drive motor; 18. an axial flow fan; 19. a flip-chip speed reducer; 20. a water collector; 21. and a guide air duct.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The present invention will be described below with reference to fig. 1 to 3.

The utility model provides a secondary atomizing cooling tower, includes cooling tower body 1, and the intermediate position forms cooling chamber 2 in the cooling tower body 1, and the bottom of cooling tower body 1 is provided with cooling water pool 3. The top of cooling tower body 1 is equipped with air outlet 4, and the below of air outlet 4 is provided with guide air duct 21, and guide air duct 21's upper end opening dwindles gradually to air outlet 4 one side, and the air in the cooling tower body 1 is concentrated through guide air duct 21 and is discharged from air outlet 4 in the upward movement process, improves the air cycle efficiency in the cooling tower body 1. The central point of air outlet 4 puts and is equipped with motor frame 5, is provided with fan subassembly 6 on the motor frame 5, and fan subassembly 6 enables the inside upper portion space of cooling tower body 1 and forms the negative pressure to make the air get into inside and upwards move of cooling tower body 1 from the lower extreme of cooling tower body 1, the heat exchange is accomplished with hot water in the motion process, finally discharges from air outlet 4.

Fan subassembly 6 is located guide air duct 21 directly over, and fan subassembly 6 includes axial fan 18, flip-chip speed reducer 19 and driving motor 17, and flip-chip speed reducer 19 and driving motor 17 are all installed on motor frame 5 and are fixed through the bolt, and axial fan 18 sets up on flip-chip speed reducer 19's output shaft, and driving motor 17 drives axial fan 18 through flip-chip speed reducer 19 speed reduction back and rotates. A water collector 20 is arranged in the cooling tower body 1, the water collector 20 is fixed on the inner wall of the cooling tower body 1, and the water collector 20 is positioned below the guide air duct 21. The water collector 20 can capture fine water drops brought out along with the airflow, so that the water loss caused by wind blowing of the cooling tower is reduced.

The lower part lateral wall of cooling tower body 1 is air inlet portion, has the air inlet shutter 7 of slope along vertical direction equipartition on the air inlet portion, and the air inlet one side tilt up setting of air inlet shutter 7, and the outside air of cooling tower body 1 can enter into the inside of cooling tower body 1 through air inlet shutter 7. The air inlet side of the air inlet shutter 7 is inclined upwards to prevent water on the inner wall of the cooling tower body 1 from flowing to the outside of the cooling tower body 1 from the air inlet shutter 7. The cooling tower comprises a cooling tower body 1, wherein a horizontal main spray pipe 8 is arranged at the lower end of the inside of the cooling tower body 1, a plurality of spray branch pipes 9 are uniformly distributed on the main spray pipe 8, spray heads 10 are arranged at one ends, far away from the main spray pipe 8, of the spray branch pipes 9, and hot water to be cooled flows into the spray branch pipes 9 through the main spray pipe 8 and is sprayed upwards to a cooling chamber 2 from the spray heads 10. The sprinkler head 10 sprays and atomizes hot water into the temperature reduction chamber 2, and ascends in the same direction as air introduced into the cooling tower body 1 to perform heat exchange. The fog drops rise to a certain height and naturally fall by self weight, and then meet the rising cold air to exchange heat again. The damp and hot air is discharged out of the tower by the fan assembly 6, and the cooled hot water falls downwards and is concentrated into the cooling water pool 3.

The cross section of the cooling tower body 1 is square, the inside of the cooling tower body 1 is provided with two secondary spraying assemblies 11, and the two secondary spraying assemblies 11 are respectively positioned at the diagonal positions inside the cooling tower body 1. Two secondary spraying subassemblies 11 are arranged diagonally, just in time, each secondary spraying subassembly 11 collects hot water on the inner walls of the two sides of the secondary spraying subassembly respectively, on one hand, the collection efficiency is improved, on the other hand, the diagonal arrangement can enable the hot water which is sprayed again to be sprayed towards the diagonal direction, and the hot water which is sprayed at the moment is farthest away from the opposite inner wall and cannot be sprayed onto the inner wall again. The secondary spray assembly 11 comprises a collecting tank 12, a collecting tank 13 and a secondary spray pipe 14, wherein the collecting tank 13 is fixed at the joint position of two adjacent inner walls of the cooling tower body 1. The collecting grooves 12 are fixed on two adjacent inner walls and incline downwards towards the direction of the collecting box 13, and one end of the collecting groove 12 close to the collecting box 13 is communicated to the inside of the collecting box 13. The secondary spray pipe is vertically arranged above the concentration box 13, and one side of the secondary spray pipe, which is close to the inner wall of the cooling tower body 1, is fixedly connected to the inner wall of the cooling tower body 1 through a pipeline bracket. A water pump 15 is arranged in the concentration box 13, and the lower end of the secondary spray pipe is located inside the concentration box 13 and connected to the water pump 15. The secondary spray pipe is provided with a plurality of secondary spray heads 16 in an arranging manner on one side close to the center of the cooling tower body 1, the secondary spray heads 16 are arranged obliquely upwards, and the included angle between each secondary spray head 16 and the horizontal plane is 45-60 degrees. The secondary spray head 16 is inclined upward so that the sprayed hot water can move upward and then fall, and thus can be in contact with more air in the cooling tower.

The hot water directly sprayed on the inner wall of the cooling tower body 1 in the sprinkler head 10 flows downwards along the inner wall of the cooling tower body 1 to the collecting tank 12 and continues to flow downwards along the collecting tank 12 to the collecting tank 13, and the collecting tank 13 collects the hot water which is not sufficiently cooled. The hot water in the concentrated box 13 is collected more and then the water pump 15 is started, the hot water in the concentrated box 13 is sprayed out from the secondary spray head 16 through the secondary spray pipe, and the hot water sprayed out again is in contact with the air in the cooling tower body 1 to be cooled, so that the hot water can be ensured to be in full contact with the air and to be cooled, and the overall cooling efficiency of the cooling tower is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a secondary spray formula cooling tower, includes cooling tower body (1), intermediate position forms cooling chamber (2) in cooling tower body (1), the bottom of cooling tower body (1) is provided with cooling water pool (3), the top of cooling tower body (1) is equipped with air outlet (4), the central point of air outlet (4) puts and is equipped with motor frame (5), be provided with fan subassembly (6), its characterized in that on motor frame (5): a horizontal main water spraying pipe (8) is arranged at the lower end of the inside of the cooling tower body (1), a plurality of water spraying branch pipes (9) are uniformly distributed on the main water spraying pipe (8), a spraying head (10) is arranged at one end, far away from the main water spraying pipe (8), of each water spraying branch pipe (9), the cross section of the cooling tower body (1) is square, a secondary spraying assembly (11) is arranged inside the cooling tower body (1), each secondary spraying assembly (11) comprises a collecting tank (12), a concentrating tank (13) and a secondary water spraying pipe (14), the concentrating tank (13) is fixed at the connecting position of two adjacent inner walls of the cooling tower body (1), the collecting tanks (12) are fixed on the two adjacent inner walls and incline downwards towards the direction of the concentrating tank (13), one end, close to the concentrating tank (13), of each collecting tank (12) is communicated with the inside of the concentrating tank (13), the secondary water spray pipes (14) are vertically arranged above the concentration box (13), a water pump (15) is arranged in the concentration box (13), the lower ends of the secondary water spray pipes (14) are located in the concentration box (13) and connected to the water pump (15), and a plurality of secondary spray heads (16) are arranged on one side, close to the center of the cooling tower body (1), of the secondary water spray pipes (14).

2. The secondary spray cooling tower of claim 1, wherein: the cooling tower is characterized in that an air inlet part is arranged on the side wall of the lower part of the cooling tower body (1), inclined air inlet shutters (7) are uniformly distributed on the air inlet part along the vertical direction, and one side of air inlet of each air inlet shutter (7) is inclined upwards.

3. The secondary spray cooling tower of claim 1, wherein: the number of the secondary spraying assemblies (11) is two, and the secondary spraying assemblies are respectively positioned at the diagonal positions inside the cooling tower body (1).

4. The secondary spray cooling tower of claim 1, wherein: secondary spray head (16) slope upwards sets up, and the contained angle between secondary spray head (16) and the horizontal plane is 45~ 60.

5. The secondary spray cooling tower of claim 1, wherein: a guide air duct (21) is arranged below the air outlet (4), and an opening at the upper end of the guide air duct (21) is gradually reduced towards one side of the air outlet (4).

6. The secondary spray cooling tower of claim 5, wherein: the fan assembly (6) is located right above the guide air duct (21), the fan assembly (6) comprises an axial flow fan (18), an inverted speed reducer (19) and a driving motor (17), the inverted speed reducer (19) and the driving motor (17) are both mounted on the motor frame (5), and the axial flow fan (18) is arranged on an output shaft of the inverted speed reducer (19).

7. The secondary spray cooling tower of claim 5, wherein: the cooling tower is characterized in that a water collector (20) is arranged in the cooling tower body (1), the water collector (20) is fixed on the inner wall of the cooling tower body (1), and the water collector (20) is located below the flow guide air cylinder (21).