CN213208710U

CN213208710U - Precooling type air cooling device

Info

Publication number: CN213208710U
Application number: CN202020962869.5U
Authority: CN
Inventors: 张留瑜; 薛永攀
Original assignee: Hefei Wanhao Energy Equipment Co ltd
Current assignee: Hefei Wanhao Energy Equipment Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-05-14
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a precooling type air cooling device, which comprises a precooling module, a heat exchange module and a spraying system, wherein the precooling module comprises a box body and a filler arranged in the box body, and the side surface of the box body is provided with at least one air inlet; the heat exchange module is communicated with the precooling module, the heat exchange module comprises a heat exchanger box body and a condensing coil arranged in the heat exchanger box body, and a plurality of air outlets are formed in the top of the heat exchanger box body; the spraying system comprises a water pump and a water supply pipeline, and the water supply pipeline is connected with a plurality of spraying water distributors which are uniformly arranged between the upper end surface of the filler and the top end of the box body. The utility model discloses a set up precooling module and heat exchange module, obtained higher heat exchange efficiency, avoided the scale deposit, can show simultaneously and reduce water resource consumption, avoid forming the water film and cause heat transfer thermal resistance grow, improved water distribution structure and spray water piping system design and prevented to block up, simplified the device structure, the maintenance of being convenient for.

Description

Precooling type air cooling device

Technical Field

The utility model relates to a heat transfer technical field, concretely relates to precooling formula air cooling device.

Background

The air cooling device has the advantages of simple structure, energy saving, water saving and the like, so that the air cooling device is widely applied. The air cooling device is mainly divided into a dry type air cooling device and an evaporative type air cooling device, wherein the dry type air cooling device adopts air as a medium to cool fluid in a pipe; the evaporative air cooling device adopts water as a cooling medium to cool fluid in the tube, and a composite evaporative air cooling device is developed at present, wherein a dry air cooling device and an evaporative air cooling device are combined in a cooling mode, and the dry air cooling device is used for precooling and then enters the evaporative air cooling device for further cooling, so that the heat exchange effect is improved.

However, after the composite evaporative air cooling device in the prior art is operated for a long time, dust in the air can be accumulated in the air cooling fins, so that unsmooth airflow and increased thermal resistance are caused, and the heat exchange effect is reduced; excessive dust enters the spray water to easily cause the blockage of the spray head; the sprayed water amount is difficult to control, the excessive water amount can cause the formation of a water film on the surface of the evaporative air cooler to cause the increase of heat transfer resistance, the heat exchange effect is reduced, and the heat exchange efficiency is reduced due to the small water amount; meanwhile, the composite evaporative air cooler is complex in structure and difficult to maintain.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the composite evaporative air cooling device is easy to scale and causes low heat exchange efficiency, the pipeline structure is complex, and the maintenance is difficult, the air cooling device which is simple in structure, ensures the heat exchange efficiency and is convenient to control and maintain is required to be provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a precooling type air cooling device, comprising:

the precooling module comprises a box body and a filler arranged in the box body, and at least one air inlet is formed in the side surface of the box body;

the heat exchange module is communicated with the precooling module and comprises a heat exchanger box body and a condensing coil arranged in the heat exchanger box body, and a plurality of air outlets are formed in the top of the heat exchanger box body; and

and the spraying system comprises a water pump and a water supply pipeline, and the water supply pipeline is connected with a plurality of spraying water distributors uniformly arranged between the upper end surface of the filler and the top end of the box body.

Furthermore, the fillers are made into a block structure by adopting a corrugated composite material, each filler is fixed with the bottom surface of the box body, each filler is isolated by a pressing plate, and the pressing plates can enable air to circulate.

Preferably, the air inlet and the air outlet are provided with fans for accelerating air circulation.

Preferably, the heat exchanger is a finned heat exchanger, and the fluid to be cooled flows into the inlet of the condensing coil, is cooled by the finned heat exchanger and then flows out of the outlet.

Preferably, a control valve is arranged between the spray water distributor and the water supply pipeline, and the spray speed is controlled by the control valve to ensure the cooling effect.

Further, the lower end face of the precooling module is connected with a water collecting tank, and the water collecting tank is provided with a liquid level meter and a sewage draining outlet.

Preferably, the water collecting tank is connected with the water pump through a water return pipe, and a water inlet of the water pump is higher than the bottom of the water collecting tank.

According to the above technical scheme, the utility model discloses a modular structure through setting up precooling module and heat exchange module both obtained higher heat exchange efficiency, avoided the scale deposit, can show simultaneously and reduce water resource consumption and avoid the fin to form the water film and cause the thermal resistance grow of conducting heat, has improved water distribution structure and spray water piping system design and has prevented to block up, and has simplified the device structure, the maintenance of being convenient for.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

in the figure: 1. a box body; 11. a filler; 12. an air inlet; 2. a heat exchanger box body; 21. a condenser coil; 22. An air outlet; 31. a water pump; 32. a water supply line; 33. a spray water distributor; 4. a fan; 5. a water collection tank; 51. a liquid level meter; 52. a sewage draining outlet; 53. a water return pipe.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

The precooling type air cooling device shown in fig. 1 comprises a precooling module, a heat exchange module and a spraying system, wherein the precooling module comprises a box body 1 and a filler 11 arranged in the box body, and the side surface of the box body is provided with at least one air inlet 12; the heat exchange module is communicated with the precooling module, the heat exchange module comprises a heat exchanger box body 2 and a condensing coil 21 arranged in the heat exchanger box body, and the top of the heat exchanger box body is provided with a plurality of air outlets 22; the spraying system comprises a water pump 31 and a water supply pipeline 32, and the water supply pipeline is connected with a plurality of spraying water distributors 33 which are uniformly arranged between the upper end surface of the filler and the top end of the box body.

The fillers 11 described in the preferred embodiment are made of corrugated composite materials into block structures, and in order to ensure that adjacent fillers are stable and prevent water from splashing at seams, each filler is fixed to the bottom surface of the box body, and each filler is isolated from another filler by a pressing plate 13, which can circulate air. Simultaneously for convenient later stage maintenance, box 1 is detachable construction. Because of the packing adopts ripple multilayer structure, dust in the air can obtain here to intercept and can not get into inside the air cooling device, guarantees the cleanness of heat exchanger fin, and precooling module can remove the clearance dust at any time simultaneously, maintains higher heat exchange efficiency.

In order to further improve the efficiency of precooling and heat exchange, the air inlet 12 and the air outlet 22 are provided with fans 4 for accelerating air circulation; the heat exchanger adopts a finned heat exchanger, and fluid to be cooled flows into the inlet of the condensing coil 21, is cooled by the finned heat exchanger and then flows out of the outlet; a control valve 34 is arranged between the spraying water distributor and the water supply pipeline, and the spraying speed is controlled by the control valve so as to ensure the cooling effect.

The end surface is connected with water catch bowl 5 under the precooling module, the water catch bowl pass through the wet return with water pump 31 is connected, flows through and packs the not evaporated spray water and collects the back and realize spray water circulation in flowing into the basin, the water economy resource, simultaneously the water catch bowl is provided with level gauge 51 and drain 52, is convenient for observe the water level variation in the basin and in time blowdown, the water inlet of water pump is higher than the water catch bowl bottom, can avoid the water pump to inhale debris and then get into spray line 32 and cause the jam.

In the specific use process, spray water is sent to the spray water distributor through a water supply pipeline by a water pump, the filler is uniformly wetted under the action of gravity, air is forced to pass through the filler through the air suction effect of a fan, the water on the filler is evaporated and absorbs the heat of the air along with the flow of the air in the process, the precooling of the air is realized, and the wetting speed can be controlled by a spray water control valve in the process to ensure the cooling effect; the pre-cooled wet air flows through the box body of the finned heat exchanger to cool the fluid in the condensation coil; the heated wet air is exhausted from the air outlet through the fan; the spray water which flows through the filler and is not evaporated is collected by the filler supporting plate and flows into the water tank to realize spray water circulation. If the environmental temperature is low, the spray water pump and part of the fans can be selected to be stopped.

The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A precooling type air cooling device is characterized by comprising:

the precooling module comprises a box body (1) and a filler (11) arranged in the box body, wherein the side surface of the box body is provided with at least one air inlet (12);

the heat exchange module is communicated with the precooling module and comprises a heat exchanger box body (2) and a condensing coil (21) arranged in the heat exchanger box body, and a plurality of air outlets (22) are formed in the top of the heat exchanger box body; and

the spraying system comprises a water pump (31) and a water supply pipeline (32), and the water supply pipeline is connected with a plurality of spraying water distributors (33) which are uniformly arranged between the upper end surface of the filler and the top end of the box body.

2. A precooling type air-cooling device according to claim 1, characterised in that the packings (11) are made of corrugated composite material in block structure, each packing is fixed to the bottom of the box, and each packing is isolated from the other by a pressure plate (13) which enables air to circulate.

3. Precooling air-cooling device according to claim 1, characterised in that the air inlet (12) and the air outlet (22) are provided with fans (4) for increasing the air circulation.

4. A precooling type air-cooling device according to claim 1, wherein the heat exchanger housing (2) is a finned heat exchanger housing, and the fluid to be cooled flows in from the inlet of the condensing coil (21), is cooled by the finned heat exchanger and then flows out from the outlet.

5. Precooling type air-cooling device according to claim 1, wherein a control valve (34) is arranged between the spray water distributor (33) and the water supply line (32), and the spraying speed is controlled by the control valve to ensure the cooling effect.

6. A precooling type air-cooling device according to claim 1, wherein a water collection tank (5) is connected to the lower end face of the precooling module, and the water collection tank is provided with a liquid level meter (51) and a sewage outlet (52).

7. Precooling air-cooling device according to claim 6, characterised in that the water collection sump (5) is connected to the water pump (31) via a return pipe (53) and that the water inlet of the water pump is located above the bottom of the water collection sump.