CN217653993U

CN217653993U - Wet film air conditioning equipment

Info

Publication number: CN217653993U
Application number: CN202221617130.6U
Authority: CN
Inventors: 刘远辉; 何卫国; 雷朋飞; 张利
Original assignee: Guangdong PHNIX Eco Energy Solution Ltd
Current assignee: Guangdong PHNIX Eco Energy Solution Ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-25
Anticipated expiration: 2032-06-24

Abstract

The application discloses wet film air conditioning equipment includes: the fresh air handling unit is internally provided with a wet film heat exchanger, a sprayer positioned at the top of the wet film heat exchanger and a water receiving tray positioned at the bottom of the wet film heat exchanger, wherein a funnel-shaped water storage tank is arranged in the water receiving tray, a water outlet is formed in the bottom of the water storage tank, an overflow port higher than the water outlet is formed in the side part of the water storage tank, and the overflow port is connected with an overflow pipe extending out of the fresh air handling unit; and the temperature adjusting unit is provided with a water return port connected with the water outlet and a water outlet connected with the sprayer, and adjusts the temperature of the wet film heat exchanger by adjusting the water outlet temperature of the sprayer. The temperature of the wet film heat exchanger can be adjusted by the temperature adjusting unit so as to realize the adjustment of air in various different directions, and therefore, the wet film air conditioning equipment has the advantages of rich functions, strong adaptability and the like. When the water level was too high in the water tray, the overflow pipe can be with outside too much circulating water derives fresh air unit, avoids the inside ponding of fresh air unit.

Description

Wet film air conditioning equipment

Technical Field

The application relates to the technical field of air conditioners, in particular to wet film air conditioning equipment.

Background

The wet curtain air conditioner utilizes a fan to drive indoor air to circularly flow through a porous wet curtain surface to accelerate water evaporation and absorb heat for cooling, realizes certain cooling in a room, and simultaneously, water vapor formed by water evaporation continuously enters the air of the room to achieve the purposes of cooling and humidifying. However, the traditional wet curtain air conditioner adopts a normal-temperature water source, so that the temperature and humidity of an air conditioning room are difficult to adjust, and the air conditioning room is only limited by the relative humidity of air, the drier the air is, the larger the difference between the dry-bulb temperature and the wet-bulb temperature of the air is, the better the cooling effect is, and the worse the difference is; and the traditional wet curtain air conditioner can only achieve the effects of cooling and humidifying.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: there is provided a wet film air conditioning apparatus capable of solving the above-mentioned problems occurring in the prior art.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a wet film air conditioning apparatus comprising:

the fresh air handling unit is internally provided with a wet film heat exchanger, a sprayer positioned at the top of the wet film heat exchanger and a water receiving tray positioned at the bottom of the wet film heat exchanger, wherein a funnel-shaped water storage tank is arranged in the water receiving tray, a water outlet is formed in the bottom of the water storage tank, an overflow port higher than the water outlet is formed in the side part of the water storage tank, and the overflow port is connected with an overflow pipe extending out of the fresh air handling unit;

and the temperature adjusting unit is provided with a water return port connected with the water outlet and a water outlet connected with the sprayer, and adjusts the temperature of the wet film heat exchanger by adjusting the water outlet temperature of the sprayer.

Optionally, the water return port is connected with the water outlet through a water return pipe, the water outlet is connected with the sprayer through a water supply pipe, and a water pump is arranged in the water return pipe or the water supply pipe.

Optionally, the temperature adjusting unit includes a cooling device and a first heat exchanger having the water return port and the water outlet, and the cooling device is connected to the first heat exchanger to provide a cooling source or a heat source for the first heat exchanger.

Optionally, the cooling device is a cooling storage pool.

Optionally, the cooling device includes a second heat exchanger, a compressor, and a throttle valve, and the first heat exchanger, the compressor, the second heat exchanger, and the throttle valve are connected end to form a circulating refrigeration loop.

Optionally, the cooling device further includes a cooling fan disposed on one side of the second heat exchanger.

Optionally, the overflow pipe is connected to the second heat exchanger, and the overflow water of the water pan is guided to the second heat exchanger through the overflow pipe to assist in heat dissipation of the second heat exchanger.

Optionally, the second heat exchanger is connected with the heat exchange water tower through a water pipe.

Optionally, the fresh air unit is provided with a first air return opening located on the air inlet side of the wet film heat exchanger and a first air supply opening located on the air outlet side of the wet film heat exchanger, and a first air feeder connected with the first air supply opening is arranged in the fresh air unit.

Optionally, including the quick-witted case that has second return air inlet and second supply-air outlet, new fan group locates the machine incasement is close to one side of second return air inlet, the temperature adjusting unit set up in quick-witted incasement and being located the rear side of new fan group, machine incasement still is equipped with the connection the second forced draught blower of second supply-air outlet under the drive of second forced draught blower, follow the air that the second return air inlet got into passes through successively wet membrane heat exchanger with the second heat exchanger is followed the second supply-air outlet is discharged outside the machine case.

The beneficial effect of this application does: the utility model provides a wet film air conditioning equipment, in the wet film heat exchanger that sets up in fresh air unit, the water collector of the spray thrower and the bottom at its top is connected with the tempering unit respectively, and the tempering unit can adjust the temperature of wet film heat exchanger to the realization carries out the regulation of multiple not equidirectional to the air, if cooling humidification, cooling dehumidification, intensification humidification etc. so, the wet film air conditioning equipment of this scheme has advantages such as function abundance, strong adaptability.

In addition, the water collector bottom the fresh air handling unit still is provided with the overflow mouth of having connected the overflow pipe, and the vapor in the air condenses and leads to the circulating water volume to increase in the wet film heat exchanger, and then when leading to water level in the water collector too high, can lead out the fresh air handling unit with too much circulating water through the overflow pipe outside, avoids the inside ponding of fresh air handling unit.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings and examples.

FIG. 1 is a schematic structural diagram of one embodiment of a wet film air conditioning unit according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of another embodiment of a wet film air conditioning apparatus according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of another embodiment of a wet film air conditioning apparatus according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of another embodiment of a wet film air conditioning device according to an embodiment of the present application.

In the figure:

1. a fresh air handling unit; 11. a wet film heat exchanger; 12. a sprayer; 13. a water pan; 131. a water storage tank; 132. an overflow pipe; 14. a water return pipe; 15. a water supply pipe; 16. a water pump; 17. a first blower; 18. a filter; 2. a temperature adjusting unit; 21. a cold storage pool; 22. a first heat exchanger; 23. a second heat exchanger; 24. a compressor; 25. a throttle valve; 26. a heat radiation fan; 3. a heat exchange water tower; 4. a chassis; 5. and (5) a drying box.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the embodiments of the present application clearer, the following detailed description of the technical solutions of the embodiments of the present application makes clear that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 4, the present embodiment provides a wet film air conditioning apparatus including:

the fresh air handling unit 1 is internally provided with a wet film heat exchanger 11, a sprayer 12 positioned at the top of the wet film heat exchanger 11 and a water receiving tray 13 positioned at the bottom of the wet film heat exchanger 11, wherein a funnel-shaped water storage tank 131 is arranged in the water receiving tray 13, a water outlet is arranged at the bottom of the water storage tank 131, an overflow port higher than the water outlet is arranged at the side part of the water storage tank 131, and the overflow port is connected with an overflow pipe 132 extending out of the fresh air handling unit 1; the water storage tank 131 is arranged in a funnel shape, and the water outlet is arranged at the lowest point of the water storage tank 131, so that circulating water can be collected and discharged;

the temperature adjusting unit 2 is provided with a water return port connected with the water drainage port and a water outlet connected with the sprayer 12, and the temperature adjusting unit 2 adjusts the temperature of the wet film heat exchanger 11 by adjusting the water outlet temperature of the sprayer 12.

When the system works, the sprayer 12 sprays the circulating water subjected to temperature adjustment by the temperature adjusting unit 2 to the top of the wet film heat exchanger 11, the circulating water flows along the wet film heat exchanger 11 from top to bottom to form a water film, and air transversely blown through the wet film heat exchanger 11 exchanges heat with the water film, so that the temperature and the humidity of the air are adjusted; circulating water on the wet film heat exchanger 11 continuously flows downwards and is collected by the water receiving disc 13, and then flows back to the temperature regulating unit through the water outlet, and the temperature regulating unit continuously regulates the temperature of the circulating water to a target value; when the water level on the water pan 13 is too high, the water can be automatically discharged out of the fresh air handling unit 1 through the overflow pipe 132.

Based on the scheme of this embodiment, combine the humiture value of the actual air before the regulation and the humiture target value of the air after the regulation, utilize tempering unit 2 to adjust the temperature of circulating water to the suitable value, alright reach ideal air temperature and humidity regulation purpose, specifically as follows:

for high temperature dry air, when needing to cool and humidify it, directly adopt normal temperature water, or, through tempering unit 2 with the temperature regulation of circulating water to lower value, when high temperature dry air passes through wet film heat exchanger 11, the air carries out the heat exchange with the water film and realizes the cooling to the air, simultaneously because air humidity itself is lower, in this in-process water film part hydrone evaporates to the air, absorbs the air heat and makes temperature further reduce, increases air humidity simultaneously, has realized cooling humidification effect promptly.

To high temperature and high humidity air, when needing to its cooling dehumidification, refrigerate the cooling through thermoregulation unit 2 to the circulating water, when high temperature and high humidity air passes through wet film heat exchanger 11, the air carries out the heat exchange with the water film and realizes the cooling to the air, simultaneously because air humidity itself is high, the moisture of water film can't continue to evaporate to the air in, and because the air temperature reduces and leads to the saturation to reduce, the air need further appear moisture this moment to realize cooling dehumidification effect. In this process, the water in the air is separated and collected into the circulating water, so that the volume of the circulating water is increased, that is, the liquid level in the drip tray 13 is increased, and the excessive circulating water is discharged through the overflow pipe 132.

When low-temperature dry air needs to be heated and dehumidified, the temperature adjusting unit 2 heats circulating water to raise the temperature, when the low-temperature dry air passes through the wet film heat exchanger 11, the air and the water films exchange heat to raise the temperature of the air, meanwhile, because the humidity of the air is lower, part of water molecules in the water films are evaporated into the air in the process to increase the humidity of the air, although the water evaporation can absorb the heat of the air, the heat transferred to the control by the water films is more, and therefore the effect of heating and humidifying is achieved on the whole.

To sum up, based on the wet film air conditioning equipment that this embodiment provided, in the wet film heat exchanger 11 that sets up in fresh air unit 1, the spray thrower 12 at its top and the water collector 13 of bottom are connected with thermoregulation unit 2 respectively, and thermoregulation unit 2 can adjust the temperature of wet film heat exchanger to the realization carries out the regulation of multiple not equidirectional to the air, like cooling humidification, cooling dehumidification, intensification humidification etc. so, the wet film air conditioning equipment of this scheme has advantages such as abundant, strong adaptability of function.

In addition, the drain pan 13 in fresh air handling unit 1 bottom still is provided with the overflow mouth of having connected overflow pipe 132, and the vapor in the air condenses and leads to the circulating water volume to increase in wet membrane heat exchanger 11, and then leads to when the water level is too high in the drain pan 13, can lead out fresh air handling unit 1 with too much circulating water through overflow pipe 132 outside, avoids the inside ponding of fresh air handling unit 1.

In order to drive water to circularly flow, the water return port is connected with the water outlet through a water return pipe 14, the water outlet is connected with the sprayer 12 through a water supply pipe 15, and a water pump 16 is arranged in the water return pipe 14 or the water supply pipe 15. Specifically, the water pump 16 is arranged to drive the flow of the circulating water, so as to achieve the purpose of continuously providing the temperature-regulated circulating water for the wet film heat exchanger 11.

Further, the temperature adjusting unit 2 includes a cooling device and a first heat exchanger 22 having the water return port and the water outlet port, and the cooling device is connected to the first heat exchanger 22 to provide a cooling source or a heat source for the first heat exchanger 22. Specifically, the heat source provided by the cooling device exchanges heat with the circulating water in the first heat exchanger 22, so as to adjust the temperature of the circulating water.

In some of these embodiments, referring to fig. 1, the cooling device is a cold storage tank 21.

Specifically, the cold storage tank 21 has a cold storage function, and in some cases, can achieve a cost saving effect, such as: at night, in the electricity consumption valley period, the electricity price is low, and at the moment, the refrigerating system can be opened to refrigerate the cold storage tank, so that the cold storage tank stores cold; the cold storage pool is directly used for refrigerating the circulating water of the fresh air handling unit 1 by using the cold energy stored in the cold storage pool at night. Thereby realizing the peak-shifting power utilization and saving the cost.

In some of these embodiments, referring to fig. 2-3, the cooling device includes a second heat exchanger 23, a compressor 24, and a throttle 25, and the first heat exchanger 22, the compressor 24, the second heat exchanger 23, and the throttle 25 are connected end to form a circulating refrigeration loop.

Specifically, the principle is the same as that of a conventional air-conditioning refrigeration principle, when the first heat exchanger 22 needs to be refrigerated, the compressor 24 compresses a refrigerant into a high-pressure refrigerant, the high-pressure refrigerant is condensed in the second heat exchanger 23 to release heat, the high-pressure refrigerant forms a high-temperature low-pressure refrigerant after being throttled by the throttle valve 25, the high-temperature low-pressure refrigerant evaporates and absorbs heat in the first heat exchanger 22, and therefore the refrigeration of the first heat exchanger 22 is achieved; conversely, when the first heat exchanger 22 needs to be heated, the flow direction of the refrigerant in the loop may be changed.

In order to accelerate the heat dissipation of the second heat exchanger 23, in some embodiments, referring to fig. 2, the cooling device further includes a heat dissipation fan 26 disposed at one side of the second heat exchanger 23. Specifically, the cooling fan 26 can accelerate the air flow on the surface of the second heat exchanger 23, so as to accelerate the heat exchange of the second heat exchanger 23.

Further, the overflow pipe 132 is connected to the second heat exchanger 23, and overflow water of the water pan 13 is guided to the second heat exchanger 23 through the overflow pipe 132 to assist heat dissipation of the second heat exchanger 23. Specifically, the excess circulating water is led out to the second heat exchanger 23 through the overflow pipe 132, the circulating water can exchange heat with the second heat exchanger 23 to accelerate heat dissipation when flowing through the surface of the second heat exchanger 23, and meanwhile, under the action of the rapid airflow on the surface of the second heat exchanger 23, the circulating water is rapidly evaporated on the second heat exchanger 23, so that the condensation heat dissipation process of the refrigerant on the second heat exchanger 23 is further accelerated.

In some of these embodiments, referring to fig. 3, the second heat exchanger 23 is connected to the heat exchange water tower 3 by water pipes. Wherein, heat exchange water tower 3 can be the existing cooling water tower, also can be the hot water system of mud drying-machine.

When using in the mud drying-machine, the waste gas vent of mud drying-machine is connected to new trend unit 1, utilizes wet membrane heat exchanger 11 can be with the high temperature pollution that waste gas cooling caused in order to avoid direct emission waste gas, can play the scrubbing effect to waste gas simultaneously, reduces the dust content of waste gas, improves exhaust emission's cleanliness factor. Meanwhile, the second heat exchanger 23 is connected with a hot water system of the sludge dryer, so that heat in the waste gas can be recovered to a certain extent, and the heat is further recovered by heating hot water of the hot water system (for example, heating the hot water from 50 ℃ to 55 ℃), thereby reducing energy waste.

In order to drive the air flow in the fresh air handling unit 1, in some embodiments, referring to fig. 1 to 3, the fresh air handling unit 1 has a first return air inlet located on an air inlet side of the wet film heat exchanger 11 and a first supply air outlet located on an air outlet side of the wet film heat exchanger 11, and a first blower 17 connected to the first supply air outlet is provided in the fresh air handling unit 1. Specifically, during operation, under the driving of the first blower 17, air enters the fresh air handling unit 1 from the first air return port, passes through the wet film heat exchanger 11, and is discharged out of the fresh air handling unit 1 from the first air supply port.

In some embodiments, referring to fig. 4, the air conditioner includes a case 4 having a second air return opening and a second air supply opening, the fresh air handling unit 1 is disposed on one side of the case 4 close to the second air return opening, the temperature adjusting unit 2 is disposed in the case 4 and located on the rear side of the fresh air handling unit 1, a second air supply blower connected to the second air supply opening is further disposed in the case 4, under the driving of the second air supply blower, air entering from the second air return opening sequentially passes through the wet film heat exchanger 11 and the second heat exchanger 23, and then is discharged out of the case 4 through the second air supply opening.

Specifically, the structure of this embodiment may be applied to a dryer, such as a grain dryer, a laundry dryer, and the like. The dryer comprises a drying box 5, and during operation, high-temperature air in the drying box 5 absorbs moisture of a dried object to form high-temperature high-humidity air, then enters the case 4 from a second air return opening, is cooled and dehumidified when passing through the wet film heat exchanger 11, then is reheated to form high-temperature dry air when passing through the second heat exchanger 23, and then is conveyed back to the drying box 5 through a second air supply opening.

In each of the above embodiments, the filter 18 may be disposed at the first air return opening or the second air return opening, and the air may be filtered by the filter 18, so as to prevent the circulating water from being rapidly polluted, prolong the service life of the circulating water, and improve the cleanliness of the air.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship merely for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principles of the present application have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the present application and is not to be construed in any way as limiting the scope of the application. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present application without inventive effort, which shall fall within the scope of the present application.

Claims

1. A wet film air conditioning apparatus, comprising:

the fresh air handling unit (1) is internally provided with a wet film heat exchanger (11), a sprayer (12) positioned at the top of the wet film heat exchanger (11) and a water receiving tray (13) positioned at the bottom of the wet film heat exchanger (11), a funnel-shaped water storage tank (131) is arranged in the water receiving tray (13), the bottom of the water storage tank (131) is provided with a water outlet, the side part of the water storage tank is provided with an overflow port higher than the water outlet, and the overflow port is connected with an overflow pipe (132) extending out of the fresh air handling unit (1);

the temperature adjusting unit (2) is provided with a water return port connected with the water outlet and a water outlet connected with the sprayer (12), and the temperature adjusting unit (2) adjusts the temperature of the wet film heat exchanger (11) by adjusting the water outlet temperature of the sprayer (12).

2. Wet film air conditioning equipment according to claim 1, wherein the water return port and the water discharge port are connected by a water return pipe (14), the water outlet port and the shower (12) are connected by a water supply pipe (15), and a water pump (16) is provided in the water return pipe (14) or the water supply pipe (15).

3. Wet film air conditioning apparatus according to claim 2, wherein the temperature regulating unit (2) comprises a first heat exchanger (22) having the water return port and the water outlet port and a cooling device connected to the first heat exchanger (22) to provide a cooling source or a heating source for the first heat exchanger (22).

4. Wet film air conditioning apparatus according to claim 3, characterized in that the cooling means is a cold storage tank (21).

5. Wet film air conditioning apparatus according to claim 3, wherein said cooling means comprises a second heat exchanger (23), a compressor (24) and a throttle valve (25), said first heat exchanger (22), said compressor (24), said second heat exchanger (23) and said throttle valve (25) being connected end to form a circulating refrigeration circuit.

6. Wet film air conditioning unit according to claim 5, characterized in that said cooling means further comprise a radiator fan (26) arranged on the side of said second heat exchanger (23).

7. Wet film air conditioning plant according to claim 6, characterized in that the overflow pipe (132) is connected to the second heat exchanger (23), overflow water of the water tray (13) being conducted to the second heat exchanger (23) through the overflow pipe (132) to assist heat dissipation of the second heat exchanger (23).

8. Wet film air conditioning apparatus according to claim 5, characterized in that said second heat exchanger (23) is connected to the heat exchange water tower (3) by means of water pipes.

9. The wet film air conditioning equipment according to any one of claims 4 to 8, wherein the fresh air handling unit (1) has a first return air opening located at an air inlet side of the wet film heat exchanger (11) and a first supply air opening located at an air outlet side of the wet film heat exchanger (11), and a first supply air blower (17) connected with the first supply air opening is arranged in the fresh air handling unit (1).

10. The wet film air conditioning equipment according to claim 5, comprising a case (4) having a second air return opening and a second air supply opening, wherein the fresh air unit (1) is arranged at one side of the case (4) close to the second air return opening, the temperature adjusting unit (2) is arranged in the case (4) and is positioned at the rear side of the fresh air unit (1), a second air supply machine connected with the second air supply opening is further arranged in the case (4), and under the driving of the second air supply machine, air entering from the second air return opening passes through the wet film heat exchanger (11) and the second heat exchanger (23) successively and then is discharged out of the case (4) from the second air supply opening.