CN210292170U

CN210292170U - Evaporative cooling air handling unit

Info

Publication number: CN210292170U
Application number: CN201921032776.6U
Authority: CN
Inventors: 唐永戬; 张学海
Original assignee: Jiangsu Zhongliansheng Air Conditioning Equipment Co Ltd
Current assignee: Jiangsu Zhongliansheng Air Conditioning Equipment Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-04-10
Anticipated expiration: 2029-07-04

Abstract

The utility model relates to an air treatment equipment, an evaporation cooling air treatment unit specifically says so. It is characterized by that it includes a machine frame whose periphery is sealed, on said machine frame an air inlet and an air outlet are set. The inner side of the air inlet is provided with a filter, the inner side of the air outlet is connected with a fan, and an evaporative cooling wet film is arranged between the filter and the fan. A water collecting tank is arranged on the rack below the evaporative cooling wet film, a water pump is arranged on one side of the water collecting tank, and a water inlet of the water pump is communicated with an inner cavity of the water collecting tank through a pipeline. And a spray pipe is arranged on the rack above the evaporative cooling wet film and is connected with a water outlet of the water pump through a pipeline. The bottom of the water collecting tank is connected with a drain pipe, and a valve is arranged on the drain pipe. The evaporative cooling air handling unit applies evaporative cooling technology to the air handling unit, so that the evaporative cooling air handling unit is simple in structure and low in manufacturing and using cost.

Description

Evaporative cooling air handling unit

Technical Field

The utility model relates to an air treatment equipment, an evaporative cooling air treatment unit specifically says so, large-scale enclosure's such as specially adapted mill, workshop air cooling demand.

Background

The air handling unit is a centralized air handling system, which originates from a forced hot air heating and ventilating system with centralized equipment and air distribution and heating by air pipes. The basic air handling unit is an all-air single zone system that generally includes components such as a fan, heater, cooler, and filter. The basic working process is as follows: after fresh air outside the room is mixed with part of return air inside the room, harmful substances such as dust, smoke dust, black smoke, organic particles and the like in the air are filtered by a filter; the clean air is sent to a cooler or a heater for cooling or heating by a fan to a comfortable and appropriate degree, and then sent to a room. In order to meet the requirements of adjusting the temperature and the humidity of indoor air and the cleanliness, the traditional air treatment unit is provided with an air heater, an air cooler, an air humidifier, an air filter for purifying air, an air mixing box for adjusting fresh air and return air and a silencer for reducing the noise of a ventilator, the structure of the traditional air treatment unit is very complex, and the manufacturing and using cost of the air treatment unit is very high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an evaporative cooling air handling unit, this evaporative cooling air handling unit makes its simple structure in using evaporative cooling technique to the air handling unit, makes and use cost can reduce.

In order to solve the problems, the following technical scheme is adopted:

the utility model discloses an evaporative cooling air handling unit's characteristics are including sealed frame all around, have air intake and air outlet in this frame. The inner side of the air inlet is provided with a filter, the inner side of the air outlet is connected with a fan, and an evaporative cooling wet film is arranged between the filter and the fan. A water collecting tank is arranged on the rack below the evaporative cooling wet film, a water pump is arranged on one side of the water collecting tank, and a water inlet of the water pump is communicated with an inner cavity of the water collecting tank through a pipeline. And a spray pipe is arranged on the rack above the evaporative cooling wet film and is connected with a water outlet of the water pump through a pipeline. The bottom of the water collecting tank is connected with a drain pipe, and a valve is arranged on the drain pipe.

Further, the shower pipe includes a main pipe which is horizontally arranged in the longitudinal direction along the top of the evaporative cooling wet film. The two sides of the main pipe are uniformly distributed with water distribution pipes along the longitudinal direction, and water outlets of the water distribution pipes are bent downwards.

The bottom of water catch bowl has the drain pipe in addition, and has the valve on the drain pipe. An overflow pipe is arranged in the water collecting tank, and the lower end of the overflow pipe is connected with a drain pipe.

Wherein, the filter includes primary filter screen and well effect filter screen, and primary filter screen and well effect filter screen are vertical parallel arrangement, and primary filter screen is located air intake one side, well effect filter screen is located evaporation cooling wet film one side.

The fan is a centrifugal fan.

By adopting the scheme, the method has the following advantages:

the utility model discloses an evaporative cooling air handling unit, which comprises a frame with sealed periphery, wherein an air inlet and an air outlet are arranged on the frame; a filter is arranged on the inner side of the air inlet, a fan is connected to the inner side of the air outlet, and an evaporative cooling wet film is arranged between the filter and the fan; a water collecting tank is arranged on the rack below the evaporative cooling wet film, a water pump is arranged on one side of the water collecting tank, and a water inlet of the water pump is communicated with an inner cavity of the water collecting tank through a pipeline; a spray pipe is arranged on the rack above the evaporative cooling wet film and is connected with a water outlet of the water pump through a pipeline; the bottom of the water collecting tank is connected with a drain pipe, and a valve is arranged on the drain pipe. When the water-saving device is used, a certain amount of water is injected into the water collecting tank, and then the fan and the water pump are turned on simultaneously. The fan introduces the hot air from the outside into the air inlet, and harmful substances such as dust and the like are filtered and removed through the filter. The water pumped out from the water collecting tank by the water pump is sprayed on the evaporative cooling wet film through the spray pipe, so that the purified hot air can perform sufficient heat exchange with the moisture in the evaporative cooling wet film when passing through the evaporative cooling wet film, the moisture is evaporated, and the air temperature is reduced. The cooled air carries part of water vapor to be discharged from the air outlet through the fan, thereby achieving the effects of refrigeration and humidification. The evaporative cooling air handling unit applies the evaporative cooling technology to the air handling unit, and a cooler, a humidifier and the like are not required to be arranged, so that the evaporative cooling air handling unit is simple in structure and low in manufacturing cost. Meanwhile, the running process only needs to provide power for the water pump and the fan, and the use cost can be effectively reduced.

Drawings

FIG. 1 is a schematic view of the evaporative cooling air handling unit of the present invention (with the frame outer closure plate removed);

FIG. 2 is a schematic view of the evaporative cooling wet film and water collection sump of FIG. 1;

fig. 3 is a left side view of fig. 2.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, fig. 2 and fig. 3, the evaporative cooling air handling unit of the present invention includes a frame 1 sealed at the periphery, and an air inlet 2 and an air outlet 6 are provided on the frame 1. The inside of air intake 2 is provided with the filter, and the interior survey of air outlet 6 is connected with fan 7, is provided with evaporation cooling wet film 5 between filter and fan 7. A water collecting tank 8 is arranged on the rack 1 below the evaporative cooling wet film 5, a water pump 11 is arranged on one side of the water collecting tank 8, and a water inlet of the water pump 11 is communicated with an inner cavity of the water collecting tank 8 through a pipeline. And a spray pipe is arranged on the rack 1 above the evaporative cooling wet film 5 and is connected with a water outlet of the water pump 11 through a pipeline. The bottom of the water collecting tank 8 is connected with a drain pipe 9, and a valve is arranged on the drain pipe 9.

The shower pipe comprises a main pipe 3, and the main pipe 3 is longitudinally and horizontally arranged along the top of the evaporative cooling wet film 5. The two sides of the main pipe 3 are uniformly distributed with the water distribution pipes 4 along the longitudinal direction, and the water outlets of the water distribution pipes 4 are bent downwards. The structure of the main pipe 3 and the water distribution pipes 4 which are uniformly distributed is adopted, so that the spraying of the spraying pipes is ensured to be uniform, and the evaporative cooling wet film 5 is always kept in a uniform wet state.

The bottom of the water collecting tank 8 is also provided with a drain pipe 10, and the drain pipe 10 is provided with a valve. An overflow pipe 14 is arranged in the water collecting tank 8, and the lower end of the overflow pipe 14 is connected with the drainage pipe 10. The water collecting tank 8 is simultaneously provided with the drain pipe 10 and the sewage discharge pipe 9, the drain pipe 10 is connected with the overflow pipe 14 in the water collecting tank 8, when circulating water in the water collecting tank 8 is emptied, clean water at the upper part of the water collecting tank can be discharged from the drain pipe 10, and sewage with impurities at the lower part of the water collecting tank can be discharged from the sewage discharge pipe 9, so that sewage separation is realized.

Wherein, the filter includes primary filter screen 13 and well effect filter screen 12, and primary filter screen 13 is vertical parallel arrangement with well effect filter screen 12, and primary filter screen 13 is located air intake 2 one side, well effect filter screen 12 is located evaporation cooling wet film 5 one side. The fan 7 is a centrifugal fan 7.

When the water-saving device is used, a certain amount of water is injected into the water collecting tank 8, and then the fan 7 and the water pump 11 are turned on simultaneously. The fan 7 introduces the hot air from the outside into the air inlet 2, and the hot air is filtered by the primary filter screen 13 and the intermediate filter screen 12 in the filter to remove harmful substances such as dust and the like. The water pumped by the water pump 11 from the water collecting tank 8 is sprayed on the evaporative cooling wet film 5 through the spray pipe, so that the purified hot air can perform sufficient heat exchange with the moisture in the evaporative cooling wet film 5 when passing through the evaporative cooling wet film 5, the moisture is evaporated, and the air temperature is reduced. The cooled air carries part of water vapor to be discharged from the air outlet 6 through the fan 7, thereby achieving the effects of refrigeration and humidification. The evaporative cooling air handling unit applies the evaporative cooling technology to the air handling unit, and a cooler, a humidifier and the like are not required to be arranged, so that the evaporative cooling air handling unit is simple in structure and low in manufacturing cost. Meanwhile, the operation process only needs to provide power for the water pump 11 and the fan 7, and the use cost can be effectively reduced.

Claims

1. The evaporative cooling air handling unit is characterized by comprising a frame (1) with sealed periphery, wherein an air inlet (2) and an air outlet (6) are formed in the frame (1); a filter is arranged on the inner side of the air inlet (2), a fan (7) is connected to the inner side of the air outlet (6), and an evaporative cooling wet film (5) is arranged between the filter and the fan (7); a water collecting tank (8) is arranged on the rack (1) below the evaporative cooling wet film (5), a water pump (11) is arranged on one side of the water collecting tank (8), and a water inlet of the water pump (11) is communicated with an inner cavity of the water collecting tank (8) through a pipeline; a spray pipe is arranged on the rack (1) above the evaporative cooling wet film (5) and is connected with a water outlet of the water pump (11) through a pipeline; the bottom of the water collecting tank (8) is connected with a drain pipe (9), and a valve is arranged on the drain pipe (9).

2. The evaporative cooling air handling unit according to claim 1, wherein the shower comprises a main pipe (3), the main pipe (3) being horizontally arranged longitudinally along the top of the evaporative cooling wet film (5); the two sides of the main pipe (3) are uniformly distributed with the water distribution pipes (4) along the longitudinal direction, and the water outlets of the water distribution pipes (4) are bent downwards.

3. The evaporative cooling air handling unit according to claim 1, wherein the sump (8) also has a drain (10) at the bottom thereof, and the drain (10) has a valve; an overflow pipe (14) is arranged in the water collecting tank (8), and the lower end of the overflow pipe (14) is connected with a drain pipe (10).

4. The evaporative cooling air handling unit according to any of claims 1 to 3, wherein the filter includes a primary filter screen (13) and a secondary filter screen (12), the primary filter screen (13) and the secondary filter screen (12) are vertically arranged in parallel, and the primary filter screen (13) is located on the air inlet (2) side, and the secondary filter screen (12) is located on the evaporative cooling wet film (5) side.

5. The evaporative cooling air handling unit according to any of claims 1 to 3, wherein the fan (7) is a centrifugal fan (7).