CN214470194U

CN214470194U - Closed cooling tower with water distribution system

Info

Publication number: CN214470194U
Application number: CN202120603977.8U
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: 2021-10-22
Anticipated expiration: 2031-03-24

Abstract

The application relates to the field of closed cooling towers, in particular to a closed cooling tower with a water distribution system. The water-saving tower comprises a tower body, wherein a water collecting tank is arranged inside the tower body, the tower body is further provided with a spray pipeline, the spray pipeline is connected with the water collecting tank through a water pump and a water conveying pipeline, a heat exchange pipe is connected in the tower body, and the heat exchange pipe is located below the spray pipeline. The tower body is internally provided with a clapboard for separating circulating water, the clapboard is positioned below the heat exchange tube and is fixedly connected with the tower body, and the clapboard is obliquely arranged. This application has and to carry out refrigerated effect to the circulating water better.

Description

Closed cooling tower with water distribution system

Technical Field

The application relates to the field of closed cooling towers, in particular to a closed cooling tower with a water distribution system.

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 CN202141352U discloses a closed cooling tower. The cooling tower comprises a tower body, a fan, an air inlet and a heat exchanger. The upper part of the heat exchanger of the closed cooling tower is provided with a spraying device, and the lower part of the heat exchanger of the closed cooling tower is provided with a water collecting device.

In view of the above-mentioned related art, the inventor believes that the circulating water in the cooling tower flows out from the spraying device, and exchanges heat with the liquid in the heat exchange pipe, the temperature of the circulating water rises, the circulating water with higher temperature directly falls into the water collecting device in the cooling tower, and because the height of the cooling tower is limited, the time for the circulating water to contact with the air is short, and the cooling effect of the circulating water is poor.

SUMMERY OF THE UTILITY MODEL

In order to be able to cool the circulating water better, the application provides a closed cooling tower with water distribution system.

The application provides a closed cooling tower with water distribution system adopts following technical scheme:

the utility model provides a closed cooling tower with water distribution system, includes the tower body, the inside header tank that is provided with of tower body, the tower body still is provided with spray line, spray line passes through water pump and conduit with the header tank and is connected, the tower body in-connection has the heat exchange tube, the heat exchange tube is located spray line's below, be provided with the baffle that is used for the separation circulating water in the tower body, the baffle is located the below of heat exchange tube, baffle and tower body rigid coupling, the baffle slope sets up.

Through adopting above-mentioned technical scheme, connect the circulating water in the header tank, the circulating water transports to spray piping through water pump and conduit, and spray piping sprays the circulating water on the heat exchange tube of below, cools down the liquid in the heat exchange tube. The circulating water that sprays on the heat exchange tube drips on the baffle of below, because the baffle slope sets up, the circulating water that drips on the baffle flows along the baffle, has prolonged the whereabouts time of circulating water, and the circulating water can carry out the heat exchange simultaneously with baffle and air simultaneously, has improved the cooling effect of circulating water.

Optionally, a water leakage groove is formed in the partition plate, and the horizontal height of one end, close to the water leakage groove, of the partition plate is lower than that of the other end, far away from the water leakage groove, of the partition plate.

Through adopting above-mentioned technical scheme, seted up the water leakage groove on the baffle for the water that drips on the baffle can flow along the baffle upper surface, drips to the water collection case through the water leakage groove, realizes the circulation of water.

Optionally, the upper surface of the separator is corrugated.

Through adopting above-mentioned technical scheme, set up the upper surface that baffle and circulating water contacted into the corrugate, increased the area of contact of baffle upper surface and circulating water, further prolonged the drip time of circulating water, make the circulating water obtain better cooling effect.

Optionally, all be equipped with the ventilating board on the tower body both sides wall, the rigid coupling has the mounting panel that sets up with the ventilating board one-to-one in the tower body, the mounting panel is on a parallel with the ventilating board, the both ends of baffle respectively with two mounting panel rigid couplings.

Through adopting above-mentioned technical scheme, inside the outside air introduced the tower body by the ventilating board, carry out heat exchange with circulating water and the liquid in the heat-exchanger tube. And meanwhile, the mounting plate plays a role in fixing and supporting the partition plate.

Optionally, a plurality of vent holes are formed in the mounting plate.

Through adopting above-mentioned technical scheme, seted up the ventilation hole on the mounting panel for outside air can enter into more smoothly between a plurality of baffles, carries out heat exchange with circulating water and baffle on the baffle, further improves the cooling effect of circulating water.

Optionally, a filter screen parallel to the mounting plate is fixedly connected in the water collecting tank.

Through adopting above-mentioned technical scheme, can filter the circulating water that flows down from the baffle, reduce the impurity entering water pump in the circulating water, the impeller of wearing and tearing water pump.

Optionally, the number of the partition plates is multiple, the partition plates are arranged in the vertical direction, and one end of one partition plate, which is far away from the water leakage groove, is arranged corresponding to the water leakage groove of the partition plate adjacent to the upper side.

Through adopting above-mentioned technical scheme, set up a plurality of baffles, increased the whereabouts time of circulating water, further improved the cooling effect of circulating water.

Optionally, one end of the partition plate located at the lowest position, which is close to the water leakage groove, is provided with one side of the tower body, which is far away from the water pump.

Through adopting above-mentioned technical scheme for when making the circulating water flow down from the baffle, fall in the one side of keeping away from the water pump, make the circulating water reentrant water pump behind the filter screen.

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

1. by arranging the partition plate, the falling time of the circulating water is prolonged, and meanwhile, the circulating water can exchange heat with the partition plate and air simultaneously, so that the cooling effect of the circulating water is improved;

2. the surface of the clapboard is arranged to be corrugated, so that the dripping time of the circulating water is further prolonged, and the circulating water obtains better cooling effect;

3. set up the filter screen in the header, can filter the circulating water that flows down from the baffle, reduce the impurity entering water pump in the circulating water, the impeller of wearing and tearing water pump.

Drawings

FIG. 1 is a sectional view of a closed cooling tower with a water distribution system.

Fig. 2 is a schematic structural view of the separator.

Description of reference numerals: 1. a tower body; 11. a water collection tank; 111. filtering with a screen; 12. a spray pipe; 13. a water pump; 14. a water delivery pipeline; 15. a heat exchange pipe; 16. a ventilation board; 161. an air deflector; 2. a partition plate; 20. a water leakage groove; 201. a connecting portion; 202. a corrugated portion; 2021. a first inclined portion; 2022. a second inclined portion; 21. mounting a plate; 211. a vent hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses closed cooling tower with water distribution system.

Referring to fig. 1, the closed cooling tower with a water distribution system includes a tower body 1, a water collection tank 11 is provided at a lower portion of the tower body 1, a spray pipe 12 is provided at an upper portion thereof, and a heat exchange pipe 15 is provided between the spray pipe 12 and the water collection tank 11. A water pump 13 is arranged outside the tower body 1, the water inlet of the water pump 13 is communicated with the water collecting tank 11 through a pipeline, and the water outlet of the water pump 13 is communicated with the spraying pipeline 12 through a water conveying pipeline 14.

Circulating water is stored in the water collecting tank 11, when the heat exchange pipe 15 is cooled, the water pump 13 is started to convey the circulating water in the water collecting tank 11 to the spray pipeline 12 above, the circulating water flows out of the spray pipeline 12 and is sprayed onto the heat exchange pipe 15, and spraying water cooling of liquid in the heat exchange pipe 15 is achieved.

Referring to fig. 1, ventilation plates 16 are disposed on both side walls of the tower body 1, and a plurality of air deflectors 161 are fixedly connected to the ventilation plates 16. The tower body 1 is internally and fixedly connected with an installation plate 21 which is in one-to-one correspondence with the ventilation plates 16 through an extension plate, the installation plate 21 is parallel to the ventilation plates 16, and the installation plate 21 is provided with a plurality of ventilation holes 211. A plurality of partition boards 2 are fixedly connected between the two mounting plates 21. The partition 2 is located below the heat exchange tubes 15.

Circulating water flows out from the spray pipe 12 to cool the heat exchange pipe 15 and then falls on the partition board 2. The air outside the tower can enter the tower body 1 from the ventilating plate 16, flows into the heat exchange tube 15 through the gap between the mounting plate 21 and the inner wall of the tower body 1, and exchanges heat with the liquid in the heat exchange tube 15, so that the liquid in the heat exchange tube 15 is cooled. Air can also flow into the spaces between the plurality of partition plates 2 from the vent holes 211 of the mounting plate 21, and cool the partition plates 2 and the circulating water flowing over the partition plates 2.

Referring to fig. 1 and 2, the partition board 2 is obliquely arranged, the partition board 2 is provided with a water leakage groove 20, and the horizontal height of one end of the partition board 2 close to the water leakage groove 20 is lower than that of one end of the partition board 2 far away from the water leakage groove 20. A plurality of baffle 2 are arranged along vertical direction, and the one end of a baffle 2 far away from the water leakage groove 20 is arranged corresponding to the water leakage groove 20 of the adjacent baffle 2 above. One end of the baffle plate 2 positioned at the lowest position, which is close to the water leakage groove 20, is arranged at one side of the tower body 1, which is far away from the water pump 13. A filter screen 111 parallel to the mounting plate 21 is fixedly connected in the water collecting tank 11.

Circulating water flows out from the spray pipe 12 to cool the heat exchange pipe 15 and then falls on the partition board 2. Because the partition plate 2 is obliquely arranged, the circulating water flows to the lower water leakage groove 20 along the partition plate 2 and then falls to the next partition plate 2, and finally falls to one side of the water collection tank 11 far away from the water pump 13. The circulating water passes through the filter screen 111 and then enters the water pump 13 again, so that the cooling circulation of the circulating water is realized.

Referring to fig. 2, the separator 2 includes two connection portions 201 and a plurality of corrugated portions 202 integrally formed. The corrugated portion 202 on the side of the partition plate 2 is fixed to the two connecting portions 201. A water leakage groove 20 is formed between the two connecting portions 201. One end of the connecting portion 201 away from the corrugated portion 202 is fixedly connected to one mounting plate 21, and the corrugated portion 202 on the other side of the partition plate 2 is fixedly connected to the other mounting plate 21. The corrugated portion 202 includes a first inclined portion 2021 and a second inclined portion 2022. One end of the first inclined portion 2021 is fixedly connected to the second inclined portion 2022 of the adjacent corrugated portion 202, the other end is fixedly connected to the second inclined portion 2022, and one end of the second inclined portion 2022 away from the first inclined portion 2021 is fixedly connected to the first inclined portion 2021 of the adjacent corrugated portion 202. The connection end of the first inclined portion 2021 and the second inclined portion 2022 extends in a direction away from the lower end face of the separator 2.

The circulating water drops on the partition plate 2, and the circulating water flows down along the bellows portion 202 because the partition plate 2 is disposed obliquely. The provision of the bellows portion 202 increases the contact area of the upper surface of the diaphragm 2 with the circulating water.

The implementation principle of the closed cooling tower with the water distribution system in the embodiment of the application is as follows: when the heat exchange pipe 15 is cooled, the water pump 13 is started, circulating water flows out from the spray pipeline 12 and is sprayed onto the heat exchange pipe 15, and spraying water cooling of liquid in the heat exchange pipe 15 is achieved. Circulating water flows out from the spray pipe 12 to cool the heat exchange pipe 15 and then falls on the partition board 2. The circulating water flows to the lower water leakage groove 20 along the partition plate 2 and then falls to the next partition plate 2, and finally falls to one side of the water collection tank 11 far away from the water pump 13. The circulating water passes through the filter screen 111 and then enters the water pump 13 again, so that the cooling circulation of the circulating water is realized. Meanwhile, air outside the tower can enter the tower body 1 from the ventilation plate 16, and cooling of liquid and circulating water in the heat exchange tube 15 is achieved.

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. The utility model provides a closed cooling tower with water distribution system, includes tower body (1), inside header tank (11) that is provided with of tower body (1), tower body (1) still is provided with spray piping (12), spray piping (12) are connected through water pump (13) and conduit (14) with header tank (11), tower body (1) in-connection has heat exchange tube (15), heat exchange tube (15) are located the below of spray piping (12), its characterized in that: be provided with baffle (2) that are used for the separation circulating water in tower body (1), baffle (2) are located the below of heat exchange tube (15), baffle (2) and tower body (1) rigid coupling, baffle (2) slope sets up.

2. The closed cooling tower with water distribution system of claim 1, wherein: a water leakage groove (20) is formed in the partition plate (2), and the horizontal height of one end, close to the water leakage groove (20), of the partition plate (2) is lower than that of one end, far away from the water leakage groove (20), of the partition plate (2).

3. The closed cooling tower with water distribution system of claim 2, wherein: the upper surface of the clapboard (2) is corrugated.

4. The closed cooling tower with water distribution system of claim 1, wherein: all be equipped with ventilating board (16) on tower body (1) both sides wall, the rigid coupling has mounting panel (21) that set up with ventilating board (16) one-to-one in tower body (1), mounting panel (21) are on a parallel with ventilating board (16), the both ends of baffle (2) respectively with two mounting panel (21) rigid couplings.

5. The closed cooling tower with water distribution system of claim 4, wherein: a plurality of vent holes (211) are formed in the mounting plate (21).

6. The closed cooling tower with water distribution system of claim 4, wherein: a filter screen (111) parallel to the mounting plate (21) is fixedly connected in the water collecting tank (11).

7. The closed cooling tower with water distribution system of claim 2, wherein: the partition plates (2) are arranged in a plurality of numbers, the partition plates (2) are arranged in the vertical direction, and one end, far away from the water leakage groove (20), of each partition plate (2) is arranged corresponding to the water leakage groove (20) of the partition plate (2) adjacent to the upper side.

8. The closed cooling tower with water distribution system of claim 7, wherein: one end of the clapboard (2) which is positioned at the lowest position and is close to the water leakage groove (20) is provided with one side of the tower body (1) which is far away from the water pump (13).