CN220322100U

CN220322100U - Counterflow closed cooling tower

Info

Publication number: CN220322100U
Application number: CN202321614789.0U
Authority: CN
Inventors: 崔冰; 王世超; ***
Original assignee: Hebei Jinggang Kangming Technology Development Co ltd
Current assignee: Hebei Jinggang Kangming Technology Development Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2024-01-09
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses a countercurrent closed cooling tower, which comprises: the tower body, the bottom of the tower body is provided with a water collecting tank, and a buffer component is correspondingly arranged above the water collecting tank; a heat exchange coil is arranged above the buffer component; one side of the water collecting tank is communicated with a water pump, the water pump is fixedly connected in the tower body, the water outlet end of the water pump is communicated with a water outlet pipeline, the water outlet pipeline penetrates through the inner wall of the tower body and extends to the upper part of the heat exchange coil, the bottom end of the water outlet pipeline above the heat exchange coil is fixedly connected with a plurality of spray heads, and a water collector is arranged above the spray heads; the top of the tower body is provided with a top cover, an air outlet is fixedly arranged in the middle of the top cover, and an exhaust fan is arranged in the air outlet; an air inlet is formed in the inner wall of the tower body between the buffer component and the heat exchange coil, and a filter component is fixedly connected to the outer side of the air inlet. The utility model has the advantages that the filter plate replacement is convenient and efficient, and the user can be intelligently reminded to replace the filter plate in time; the volume of the water drops dropping into the water collecting tank is small, and the noise is small; the escape rate of the water vapor is low, and the waste of water resources is reduced.

Description

Counterflow closed cooling tower

Technical Field

The utility model belongs to the technical field of cooling equipment, and particularly relates to a countercurrent closed cooling tower.

Background

The cooling tower is a device which uses water as a circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the cooling device is an evaporation heat-dissipating device which utilizes the principles of heat dissipation by evaporation, convection heat transfer, radiation heat transfer and the like of heat taken away by evaporation by the steam generated by the heat exchange after the water is in flowing contact with air to dissipate the waste heat generated in the industry or in a refrigerating air conditioner to reduce the water temperature, is commonly used in the fields of a central air conditioner cooling system, a heating equipment cooling system and the like in life, and can be divided into various types, wherein an open type cooling tower and a closed type cooling tower are the most common two types.

In order to prevent that the dust from getting into the cooling tower, can set up the filter in air intake department, filter the impurity in the air, but the filter uses the back for a long time, can appear blocking up the condition, influence the cooling tower work, need the workman clear up often, and most filter dismantles the installation difficulty, influences cooling tower work efficiency. In addition, the cooling tower in the prior art also has the problems that the noise is large when condensed water drops into the water collecting tank, the steam is lack of collection in the use process, and the steam runs out of the cooling tower to cause water resource waste.

For this purpose, a counterflow closed cooling tower is proposed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a countercurrent closed cooling tower.

To achieve the above object, the present utility model provides a counterflow closed cooling tower comprising: the tower body, the bottom of the tower body is provided with a water collecting tank, and a buffer component is correspondingly arranged above the water collecting tank; a heat exchange coil is arranged above the buffer assembly; the water collecting tank is characterized in that one side of the water collecting tank is communicated with a water pump, the water pump is fixedly connected inside the tower body, the water outlet end of the water pump is communicated with a water outlet pipeline, the water outlet pipeline penetrates through the inner wall of the tower body and extends to the upper part of the heat exchange coil, a plurality of spray heads are fixedly connected at the bottom end of the water outlet pipeline above the heat exchange coil, and a water collector is arranged above the spray heads; the top of the tower body is provided with a top cover, an air outlet is fixedly arranged in the middle of the top cover, and an exhaust fan is arranged in the air outlet; an air inlet is formed in the inner wall of the tower body between the buffer component and the heat exchange coil, and a filter component is fixedly connected to the outer side of the air inlet.

Preferably, the filtering assembly comprises a filtering shell, the filtering shell is covered on the outer side of the air inlet, a filter screen is fixedly connected to one surface, far away from the tower body, of the filtering shell, a strip-shaped hole is formed in the top surface of the filtering shell, a first sliding groove is formed in one side, close to the tower body, of the strip-shaped hole, and a second sliding groove is formed in the bottom surface of the filtering shell, corresponding to the strip-shaped hole and the first sliding groove; a filter plate is arranged in the strip-shaped hole, the bottom surface of the filter plate is positioned in the second sliding groove, and a handle is fixedly connected to the top surface of the filter plate; the first sliding groove and the second sliding groove are internally provided with a plurality of springs, one end of each spring is fixedly connected to the side surfaces of the first sliding groove and the second sliding groove, and the other end of each spring is in butt joint with the side surfaces of the filter plates.

Preferably, a pressure sensor is fixedly connected to one end, close to the tower body, of the spring in the second sliding groove, a processor is fixedly connected to the bottom of the filtering shell, and a warning lamp is fixedly connected to the top of the filtering shell; the pressure sensor is electrically connected with the processor, and the processor is electrically connected with the warning lamp.

Preferably, the buffer assembly comprises a buffer gauze and a guide plate, the guide plate is fixedly connected to the inner wall of the tower body and inclines from the inner wall of the tower body to the center of the tower body, a through hole is formed in the center of the guide plate, and the upper part of the guide plate is in butt joint with the buffer gauze.

Preferably, the heat exchange coil is erected in the tower body through a coil frame, the heat exchange coil adopts an inclined arrangement mode, a port of the heat exchange coil, which is positioned above, extends out of the inner wall of the tower body to form a cooling water outlet, and a port of the heat exchange coil, which is positioned below, extends out of the inner wall of the tower body to form a cooling water inlet.

Preferably, a plurality of water baffles are fixedly connected below the exhaust fan, the water baffles are fixedly connected inside the air outlet, and the water baffles are obliquely arranged relatively.

Preferably, an access door is provided on the front surface of the tower body, and the access door is located above the buffer assembly and below the heat exchange coil.

Preferably, the bottom of the water collecting tank is communicated with a water supplementing pipeline.

Compared with the prior art, the utility model has the following advantages and technical effects:

the filter plate can be replaced by pulling the handle, the replacement is convenient and efficient, and the user can be intelligently reminded of replacing the filter plate in time by matching the spring with the pressure sensor, so that the filter plate is prevented from being poor in filtering effect after being used for a long time; the buffer component is used for receiving water drops dripping from a higher position, buffering the movement of the water drops, and the water drops drip into the water collecting tank through the buffer gauze, so that the volume of the water drops dripping into the water collecting tank is reduced, and the noise is reduced; the breakwater blocks, cools and collects ascending vapor, so that escape rate of the vapor is reduced, waste of water resources is reduced, production cost and use cost are saved, erosion of vapor to the exhaust fan is avoided, and service life of the exhaust fan is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:

FIG. 1 is a schematic view of the right side structure of a counterflow closed cooling tower according to the present utility model;

FIG. 2 is a schematic view of a left side structure of a counterflow closed cooling tower according to the present utility model;

FIG. 3 is a schematic view showing the internal structure of a counterflow closed cooling tower according to the present utility model;

FIG. 4 is an enlarged view of FIG. 3A in accordance with the present utility model;

in the figure: 1. a tower body; 2. a water collecting tank; 3. a heat exchange coil; 4. a water pump; 5. a water outlet pipe; 6. a spray head; 7. a water collector; 8. a top cover; 9. an air outlet; 10. an exhaust fan; 11. an air inlet; 12. a filter housing; 13. a filter screen; 14. a bar-shaped hole; 15. a first sliding groove; 16. a second sliding groove; 17. a filter plate; 18. a handle; 19. a spring; 20. a pressure sensor; 21. a processor; 22. a warning light; 23. a buffer gauze; 24. a deflector; 25. a coil pipe rack; 26. a cooling water outlet; 27. a cooling water inlet; 28. a water baffle; 29. an access door; 30. and (5) a water supplementing pipeline.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1 to 4, the present embodiment provides a counterflow closed cooling tower including: the device comprises a tower body 1, wherein a water collecting tank 2 is arranged at the bottom of the tower body 1, and a buffer component is correspondingly arranged above the water collecting tank 2; a heat exchange coil 3 is arranged above the buffer component; one side of the water collecting tank 2 is communicated with a water pump 4, the water pump 4 is fixedly connected inside the tower body 1, the water outlet end of the water pump 4 is communicated with a water outlet pipeline 5, the water outlet pipeline 5 penetrates through the inner wall of the tower body 1 to extend to the upper part of the heat exchange coil 3, a plurality of spray heads 6 are fixedly connected at the bottom end of the water outlet pipeline 5 above the heat exchange coil 3, and a water collector 7 is arranged above the spray heads 6; a top cover 8 is arranged at the top of the tower body 1, an air outlet 9 is fixedly arranged in the middle of the top cover 8, and an exhaust fan 10 is arranged in the air outlet 9; an air inlet 11 is formed in the inner wall of the tower body 1 between the buffer component and the heat exchange coil 3, and a filter component is fixedly connected to the outer side of the air inlet 11.

The cooling water to be cooled flows in the heat exchange coil 3, a certain amount of heat exchange water is added in the water collecting tank 2 in advance, the heat exchange water is pumped into the water outlet pipeline 5 by the water pump 4, then the water outlet pipeline 5 guides the heat exchange water to enter the upper part of the heat exchange coil 3 in the tower body 1, and the heat exchange water is sprayed on the surface of the heat exchange coil 3 through the spray head 6, so that the contact surface area between the high-temperature cooling water entering the tower and the air is expanded as much as possible, the hot water exchange between water vapor is increased, the heat of the high-temperature cooling water is transferred to the air, the temperature of the cooling water is reduced, a part of the heat exchange water flows down from the surface of the heat exchange tube, the water drops can meet the rising air flow in the descending process, the descending speed of water drops is delayed, the heat exchange time is prolonged, the heat exchange effect is increased, the heat exchange water drops are dripped into the water collecting tank 2 through the buffer component, pumped into the water outlet pipeline 5 again, the water drops are buffered by the buffer component, the dripped water drops are lowered into the water collecting tank 2, and the noise is reduced; the other part of the water absorbing the high temperature cooling water is evaporated into water vapor, the exhaust fan 10 extracts the water vapor in the tower body 1 upwards, and the water vapor is collected by the water collector 7 so as to reduce the circulation loss of the cooling water; at the same time, the exhaust fan 10 introduces air into the tower to generate air with high flow rate and steady flow, and the cooling water contacts with the wind fluid to exchange heat, thereby improving the cooling efficiency and ensuring the cooling effect. The filter component filters the air entering the tower body 1, so that impurities in the air are prevented from entering the tower body 1, and even the impurities are fused into heat exchange water and enter the water pump 4 to influence the work of the water pump 4.

In a further optimized scheme, the filtering assembly comprises a filtering shell 12, the filtering shell 12 is covered on the outer side of the air inlet 11, a filter screen 13 is fixedly connected to one surface of the filtering shell 12, which is far away from the tower body 1, a strip-shaped hole 14 is formed in the top surface of the filtering shell 12, a first sliding groove 15 is formed in one side, close to the tower body 1, of the strip-shaped hole 14, and a second sliding groove 16 is formed in the bottom surface of the filtering shell 12, corresponding to the strip-shaped hole 14 and the first sliding groove 15; a filter plate 17 is arranged in the strip-shaped hole 14, the bottom surface of the filter plate 17 is positioned in the second sliding groove 16, and a handle 18 is fixedly connected to the top surface of the filter plate; a plurality of springs 19 are arranged in the first sliding groove 15 and the second sliding groove 16, one end of each spring 19 is fixedly connected to the side surfaces of the first sliding groove 15 and the second sliding groove 16, and the other end of each spring 19 is abutted to the side surface of the filter plate 17.

The filter screen 13 carries out preliminary filtration to impurity in the air, prevents that great rubbish impurity etc. from getting into tower body 1, and filter 17 carries out secondary filtration to tiny impurity in the air, and during the use, hand-pull handle 18 passes bar hole 14 with filter 17 and places in first sliding tray 15 and second sliding tray 16, and spring 19 in first sliding tray 15 and the second sliding tray 16 has certain pressure to filter 17, makes filter 17 keep away from one side of tower body 1 in the next-door quality. The filter plate 17 can be replaced by pulling the handle 18, and the replacement is convenient and efficient.

In a further optimized scheme, one end, close to the tower body 1, of the spring 19 in the second sliding groove 16 is fixedly connected with a pressure sensor 20, the bottom of the filtering shell 12 is fixedly connected with a processor 21, and the top of the filtering shell 12 is fixedly connected with a warning lamp 22; the pressure sensor 20 is electrically connected with the processor 21, and the processor 21 is electrically connected with the warning lamp 22.

Along with the increase of the working time, the more the impurities in the filter plate 17 accumulate, the filter plate 17 is blocked, so that the wind pressure of the exhaust fan 10 on the filter plate 17 is increased, the filter plate 17 compresses the spring 19 and slides towards one ends of the first sliding groove 15 and the second sliding groove 16, which are close to the tower body 1, so that pressure is generated on the pressure sensor 20, the pressure sensor 20 senses the pressure and converts the pressure into an electric signal to be transmitted to the processor 21, the processor 21 transmits the electric signal to the warning lamp 22, the warning lamp 22 is enabled to be always on, and an operator is reminded of replacing the filter plate 17.

Further optimizing scheme, the buffer assembly includes buffering gauze 23 and guide plate 24, and guide plate 24 rigid coupling is in tower body 1 inner wall to incline to tower body 1 center from tower body 1 inner wall, the through-hole has been seted up at guide plate 24 center, guide plate 24 top and buffering gauze 23 butt.

The flow guide plate 24 guides the heat exchange water around to the middle buffer gauze 23, on one hand, the buffer gauze 23 receives water drops dripping from a higher position, and buffers the movement of the water drops, so that the noise is lower when the water drops drip into the water collecting tank 2 through the buffer gauze 23; on the other hand, the buffer gauze 23 filters impurities such as water rust possibly existing in the heat exchange water, so that the water pump 4 is prevented from being damaged due to the fact that the impurities enter the water pump 4 along with the heat exchange water to influence the work of the water pump 4.

Further optimizing scheme, heat exchange coil 3 erects inside tower body 1 through coil pipe frame 25, and heat exchange coil 3 adopts the slope arrangement mode, and the port that heat exchange coil 3 is located the top stretches out tower body 1 inner wall and is cooling water export 26, and the port that heat exchange coil 3 is located the below stretches out tower body 1 inner wall and is cooling water entry 27.

The heat exchange coil 3 adopts an inclined arrangement mode, which is beneficial to draining cooling water in the heat exchange coil 3 in winter and preventing the copper pipe from frost cracking; the cooling water in the heat exchange coil 3 flows in and out in the reverse direction with the heat exchange water sprayed out from the spray head 6, which is beneficial to the gradual cooling of the cooling water.

Further optimizing scheme, there are a plurality of breakwater 28 fixedly connected below the exhaust fan 10, and the breakwater 28 is fixedly connected inside the air outlet 9, and a plurality of breakwater 28 are set up in the slope relatively.

The breakwater 28 blocks the vapor which escapes from the water receiver 7, the breakwater 28 can play a certain deceleration effect on rising vapor, the retention time of the vapor is prolonged, more vapor is cooled and condensed into water, the waste of water resources is reduced, the production cost and the use cost are saved, meanwhile, the vapor is prevented from corroding the exhaust fan 10, and the service life of the exhaust fan 10 is prolonged.

Further optimizing scheme, the access door 29 has been seted up in tower body 1 front, and access door 29 is located buffer module top, heat exchange coil 3 below.

The access door 29 is used for overhauling the internal parts of the tower body 1, and is convenient for replacing the buffer screen 23.

Further optimizing scheme, the bottom of the water collecting tank 2 is communicated with a water supplementing pipeline 30.

The water replenishing pipe 30 is used for adding heat exchange water in the water collecting tank 2 before working and replenishing the heat exchange water after working in time.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A counterflow closed cooling tower comprising: the device comprises a tower body (1), wherein a water collecting tank (2) is arranged at the bottom of the tower body (1), and a buffer assembly is correspondingly arranged above the water collecting tank (2); a heat exchange coil (3) is arranged above the buffer assembly; one side of the water collecting tank (2) is communicated with a water pump (4), the water pump (4) is fixedly connected to the inside of the tower body (1), a water outlet pipeline (5) is communicated with a water outlet end of the water pump (4), the water outlet pipeline (5) penetrates through the inner wall of the tower body (1) and extends to the upper part of the heat exchange coil (3), a plurality of spray heads (6) are fixedly connected to the bottom end of the water outlet pipeline (5) above the heat exchange coil (3), and a water collector (7) is arranged above the spray heads (6); a top cover (8) is arranged at the top of the tower body (1), an air outlet (9) is fixedly arranged in the middle of the top cover (8), and an exhaust fan (10) is arranged in the air outlet (9); an air inlet (11) is formed in the inner wall of the tower body (1) between the buffer component and the heat exchange coil (3), and a filter component is fixedly connected to the outer side of the air inlet (11).

2. The counterflow closed cooling tower of claim 1, wherein: the filtering assembly comprises a filtering shell (12), the filtering shell (12) is covered on the outer side of the air inlet (11), a filter screen (13) is fixedly connected to one surface, far away from the tower body (1), of the filtering shell (12), a strip-shaped hole (14) is formed in the top surface of the filtering shell (12), a first sliding groove (15) is formed in one side, close to the tower body (1), of the strip-shaped hole (14), and a second sliding groove (16) is formed in the inner portion of the bottom surface of the filtering shell (12) corresponding to the strip-shaped hole (14) and the first sliding groove (15); a filter plate (17) is arranged in the strip-shaped hole (14), the bottom surface of the filter plate (17) is positioned in the second sliding groove (16), and a handle (18) is fixedly connected to the top surface of the filter plate; a plurality of springs (19) are arranged in the first sliding groove (15) and the second sliding groove (16), one end of each spring (19) is fixedly connected to the side surfaces of the first sliding groove (15) and the second sliding groove (16), and the other end of each spring is in butt joint with the side surfaces of the filter plates (17).

3. The counterflow closed cooling tower of claim 2, wherein: a pressure sensor (20) is fixedly connected to one end, close to the tower body (1), of the spring (19) in the second sliding groove (16), a processor (21) is fixedly connected to the bottom of the filtering shell (12), and a warning lamp (22) is fixedly connected to the top of the filtering shell (12); the pressure sensor (20) is electrically connected with the processor (21), and the processor (21) is electrically connected with the warning lamp (22).

4. The counterflow closed cooling tower of claim 1, wherein: the buffer assembly comprises a buffer gauze (23) and a guide plate (24), wherein the guide plate (24) is fixedly connected to the inner wall of the tower body (1) and inclines from the inner wall of the tower body (1) to the center of the tower body (1), a through hole is formed in the center of the guide plate (24), and the upper part of the guide plate (24) is abutted to the buffer gauze (23).

5. The counterflow closed cooling tower of claim 1, wherein: the heat exchange coil (3) is erected inside the tower body (1) through a coil pipe rack (25), the heat exchange coil (3) adopts an inclined arrangement mode, a port of the heat exchange coil (3) located above extends out of the inner wall of the tower body (1) to form a cooling water outlet (26), and a port of the heat exchange coil (3) located below extends out of the inner wall of the tower body (1) to form a cooling water inlet (27).

6. The counterflow closed cooling tower of claim 1, wherein: a plurality of water baffles (28) are fixedly connected below the exhaust fan (10), the water baffles (28) are fixedly connected inside the air outlet (9), and the water baffles (28) are obliquely arranged relatively.

7. The counterflow closed cooling tower of claim 1, wherein: an access door (29) is arranged on the front surface of the tower body (1), and the access door (29) is positioned above the buffer assembly and below the heat exchange coil (3).

8. The counterflow closed cooling tower of claim 1, wherein: the bottom of the water collecting tank (2) is communicated with a water supplementing pipeline (30).