CN209763367U - Unit type air treatment equipment combining evaporative cooling and mechanical refrigeration - Google Patents

Abstract

The utility model discloses a unit type air treatment device combining evaporative cooling and mechanical refrigeration, which comprises a casing, the inside of the casing is divided into upper and lower layers by an air supply layer arranged in the middle of the casing, and the upper layer in the casing is provided with an evaporator Cooling unit, the lower layer in the shell is provided with a mechanical refrigeration unit connected to the evaporative cooling unit through pipes, and the air supply layer is provided with an air supply opening a leading to the evaporative cooling unit and an air supply opening b leading to the mechanical refrigeration unit . The unit type air treatment equipment combining evaporative cooling and mechanical refrigeration of the utility model combines evaporative cooling and mechanical refrigeration, realizes energy-saving refrigeration and can provide fresh air and humidification for the room at the same time.

Description

A unitary air handling equipment combining evaporative cooling and mechanical refrigeration

technical field

The utility model belongs to the technical field of air-conditioning equipment, and relates to a unit air treatment equipment combined with evaporative cooling and mechanical refrigeration.

Background technique

The evaporative cooling air-conditioning technology uses water as the cooling medium, utilizes the renewable energy "dry air energy", and on the basis of the temperature difference between the dry and wet bulbs of the outdoor air, absorbs heat and refrigerates through water evaporation, and is produced by direct or indirect contact between air and water. Clean cool air or hot cold water. This technology has been widely used at present, but evaporative cooling air conditioners are restricted by outdoor meteorological conditions. When the outdoor temperature is high, the temperature of cold air or cold water produced is also high, which cannot meet the thermal comfort requirements of indoor personnel for the environment.

Mechanical refrigeration is less affected by outdoor meteorological conditions, the temperature of the cold air or cold water produced is stable, and the reliability is high, but the cooling energy consumption is large, the COP of the refrigeration unit is relatively small, and it cannot provide fresh air and humidification for the room.

Therefore, the combination of evaporative cooling air-conditioning technology and mechanical refrigeration is an inevitable trend of development.

Utility model content

The purpose of this utility model is to provide a unit type air treatment equipment combining evaporative cooling and mechanical refrigeration, which can provide fresh air and humidification for the room while realizing energy-saving refrigeration.

The technical scheme adopted by the utility model is a unit air treatment equipment combining evaporative cooling and mechanical refrigeration, which includes a shell, and the inside of the shell is divided into upper and lower layers by setting the air supply layer in the middle of the shell. An evaporative cooling unit is arranged on the upper layer of the shell, and a mechanical refrigeration unit connected with the evaporative cooling unit through pipes is arranged on the lower layer of the housing, and the air supply flow port a leading to the evaporative cooling unit and the ventilation port a leading to the mechanical refrigeration unit are opened on the air supply layer. air supply outlet b;

The evaporative cooling unit includes fresh air outlets and air supply outlets respectively set on the corresponding side walls of the upper layer of the housing. The upper layer of the housing is provided with a direct evaporative cooling section, an equalizer plate a, an evaporator and a blower in sequence according to the direction of fresh air intake. The air supply flow port a is opened at the position between the air supply layer corresponding to the direct evaporative cooling section and the equalizer plate a, and the evaporator is connected to the mechanical refrigeration unit through a pipe;

The air supply flow port b is opened on the side of the air supply layer corresponding to the lower layer of the shell, and the mechanical refrigeration unit includes a flow equalizer b, a condenser, a compressor, an exhaust fan, and an exhaust air vent arranged in sequence in the lower layer of the shell in accordance with the air inlet direction. The condenser, compressor and evaporator are connected in sequence through pipelines to form a closed loop, and a throttling valve is also set on the pipeline between the condenser and the evaporator.

The utility model is also characterized in that,

The air supply port is a grid air supply port.

The direct evaporative cooling section includes packing, a water distributor is arranged above the packing, and a circulating water tank is arranged below the packing, and the water distributor and the circulating water tank are connected through a circulating water pipe.

The circulating water pipe is also provided with a water filter and a circulating water pump.

Multiple gate valves are uniformly arranged on the water distributor.

The circulating water tank is also connected with a water replenishment pipe and a drain pipe, and a ball float valve is also arranged in the circulating water tank, and the ball float valve is connected with the water replenishment pipe.

A valve is arranged on the drain pipe.

Four rollers are evenly arranged on the bottom of the housing.

The beneficial effects of the utility model are:

1. The unit type air treatment equipment of this utility model is placed indoors in hot summer, and the indoor return air first passes through the filler of the evaporative cooling unit to pre-cool and purify and filter the indoor air, and then passes through the evaporator, because Pre-cool the evaporative cooling unit, reduce the power of the mechanical refrigeration compressor, and achieve the purpose of energy saving;

2. The unit type air treatment equipment of the present utility model can cool down the indoor air by connecting the fresh air duct with the air supply port and only opening the direct evaporative cooling section of the evaporative cooling unit in the transitional season, and the fresh air is running, Improved indoor air quality;

3. The unit type air treatment equipment of the present invention, in the dry winter, only the direct evaporative cooling section is turned on, as an independent humidification device, to humidify the indoor air.

Description of drawings

Fig. 1 is the structural representation of the utility model unit type air treatment equipment;

Fig. 2 is a schematic structural view of the evaporative cooling unit in the unitary air treatment equipment of the present invention;

Fig. 3 is a structural schematic diagram of the mechanical refrigeration unit in the unitary air treatment equipment of the present invention;

Fig. 4 is a schematic diagram of the connection structure of the condenser, compressor and evaporator in the unitary air treatment equipment of the present invention.

In the figure, 1. Shell, 2. Fresh air outlet, 3. Water supply pipe, 4. Air supply outlet, 5. Air supply layer, 6. Air exhaust outlet, 7. Roller, 8. Direct evaporative cooling section, 9. Flow equalization Plate a, 10. Evaporator, 11. Air blower, 12. Filler, 13. Water distributor, 14. Circulating water tank, 15. Circulating water pipe, 16. Water filter, 17. Circulating water pump, 18. Drain pipe, 19. Float valve, 20. Valve, 21. Air supply port a, 22. Air supply port b, 23. Evening plate b, 24. Condenser, 25. Compressor, 26. Exhaust fan, 27. Throttle valve , 28. Gate valve.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model is a unit type air treatment equipment combining evaporative cooling and mechanical refrigeration. Two layers, the upper layer in the housing 1 is provided with an evaporative cooling unit, and the lower layer in the housing 1 is provided with a mechanical refrigeration unit connected to the evaporative cooling unit through pipes, as shown in Figure 2 and Figure 3, the air supply layer 5 is set There are air supply opening a21 leading to the evaporative cooling unit and air supply opening b22 leading to the mechanical refrigeration unit;

The evaporative cooling unit includes fresh air outlets 2 and air supply outlets 4 respectively arranged on the corresponding side walls of the upper layer of the housing 1. The upper layer of the housing 1 is provided with a direct evaporative cooling section 8, a flow equalizer a9, The evaporator 10 and the air blower 11, the air supply flow port a21 is set at the position between the air supply layer 5 corresponding to the direct evaporative cooling section 8 and the equalizer plate a9, and the evaporator 10 is connected to the mechanical refrigeration unit through a pipe;

The air supply flow port b22 is opened on the side of the air supply layer 5 corresponding to the lower layer of the housing 1, and the mechanical refrigeration unit includes a flow equalizer b23, a condenser 24, a compressor 25, Exhaust fan 26 and air outlet 6, as shown in Figure 4, condenser 24, compressor 25 and evaporator 10 are connected successively by pipeline and form closed circuit, also be provided with joint on the pipeline between condenser 24 and evaporator Flow valve 27.

The air supply port 4 is a grid air supply port.

The direct evaporative cooling section 8 includes a filler 12 , a water distributor 13 is arranged above the filler 12 , and a circulating water tank 14 is arranged below the filler 12 , and the water distributor 13 and the circulating water tank 14 are connected by a circulating water pipe 15 .

The circulating water pipe 15 is also provided with a water filter 16 and a circulating water pump 17 .

A plurality of gate valves 28 are uniformly arranged on the water distributor 13 .

The circulating water tank 14 is also connected with a water supply pipe 3 and a drain pipe 18 .

A ball float valve 19 is also arranged in the circulating water tank 14, and the ball float valve 19 is connected on the replenishing water pipe 3, and the drain pipe 18 is provided with a valve 20.

Four rollers 7 are evenly arranged on the bottom of the casing 1 .

The working process of the utility model unit type air treatment equipment is:

(1) In the hot summer

Place the unitized air treatment equipment of the present invention indoors to circulate the indoor air. Both the evaporative cooling unit and the mechanical refrigeration unit are turned on, and the indoor return air enters the casing through the fresh air outlet 2 under the suction of the blower 11 The upper layer of 1 passes through the direct evaporative cooling section 8, wherein, in the direct evaporative cooling section 8, the return air in the room of the direct evaporative cooling section 8 undergoes a heat and moisture exchange process in the packing 12 and the water drenched by the water distributor 13, pre-cooling and filtering the air, Then, a part of the pre-cooled air passes through the equalizer plate a9 to make the air flow rate more uniform and stable, then passes through the evaporator 10 for dehumidification and cooling, and finally is sent into the room by the air blower 11 through the grille air outlet 4; after pre-cooling Part of the air is sucked by the exhaust fan 26, enters the air supply layer 5 through the air supply flow port a21, and then enters the lower layer of the housing through the air supply flow port b22, and passes through the equalizer plate b23 to make the air flow rate uniform and the air Then flow through the condenser 24, take away the heat released by the refrigerant, absorb the waste heat and humidity, and then pass through the exhaust fan 26 and discharge it to the outside through the air outlet 6. The air outlet 6 is connected with an exhaust pipe connected to the outside. The heat is removed to the outdoor environment; because the air passing through the condenser 24 is pre-cooled by the direct evaporative cooling section 8, the energy efficiency ratio of mechanical refrigeration can be significantly improved, and the installed capacity of the compressor 25 can also be effectively reduced , The energy-saving effect is obvious.

(2) During the transition season

Connect the fresh air outlet 2 to the outdoor fresh air duct, run fresh air, turn on the direct evaporative cooling section 8 and the blower 11, and turn off the mechanical refrigeration unit on the lower floor. There is air flow in the upper layer of the shell 1, and there is no air flow in the lower layer of the shell 1, and the fresh air passes through. The fresh air pipe enters the direct evaporative cooling section 8 through the fresh air outlet 2, wherein, in the direct evaporative cooling section 8, the return air in the room of the direct evaporative cooling section 8 undergoes a heat-moisture exchange process in the filler 12 and the water dripped by the water distributor 13. The temperature difference between the balls cools and humidifies the air, pre-cools and filters the air, and the cooled fresh air passes through the equalizer a9 to make the air flow more uniform and stable, and finally the blower 11 sends it into the room through the grille air outlet 4 , to cool down the room, the fresh air operation reduces the age of the indoor air and improves the indoor air quality.

(3) In dry winter

For common residences and office building areas that adopt central heating, the interior is dry and the comfort level is poor, the unit air treatment equipment of the utility model can be used as a humidifying device to humidify the interior; in order to reduce the indoor heat load in winter, the fresh air outlet 2 is not connected The fresh air duct, open the direct evaporative cooling section 8, the blower 11, and the lower mechanical refrigeration unit are not turned on. There is air flow in the upper layer of the shell 1, and there is no air flow in the lower layer of the shell 1. The indoor circulating air is used, and the indoor air passes through the fresh air outlet. 2 Enter the direct evaporative cooling section 8, the direct evaporative cooling section 8, wherein, in the direct evaporative cooling section 8, the return air in the room of the direct evaporative cooling section 8 undergoes a heat and moisture exchange process in the filler 12 and the water drenched by the water distributor 13, humidifies the air and Filtered and humidified air passes through the equalizer plate a9 to make the air flow rate more uniform and stable, and finally sent into the room by the blower 11 through the grille air supply port 4 to humidify the indoor air.

The working process of the utility model water system is:

The water in the circulating water tank 14 is pumped by the circulating water pump 17 and filtered by the water filter 16, then sent to the water distributor 13 through the circulating water pipe 15, and sprayed by the water distributor 13. The multiple gate valves 28 set on the water distributor 13 It is used to adjust the water spray volume of the water distributor 13, and realize the control of the humidity of the air sent into the room by switching the number of different gate valves 28.

Claims (5)

1. The unit type air treatment equipment combining evaporative cooling and mechanical refrigeration is characterized by comprising a shell (1), wherein the shell (1) is divided into an upper layer and a lower layer by an air supply layer (5) arranged in the middle of the shell (1), the upper layer in the shell (1) is provided with an evaporative cooling unit, the lower layer in the shell (1) is provided with a mechanical refrigeration unit communicated with the evaporative cooling unit through a pipeline, and the air supply layer (5) is provided with an air supply flow port a (21) communicated with the evaporative cooling unit and an air supply flow port b (22) communicated with the mechanical refrigeration unit;

the evaporative cooling unit comprises a fresh air port (2) and an air supply port (4) which are respectively arranged on two corresponding side walls on the upper layer of the shell (1), a direct evaporative cooling section (8), a flow equalizing plate a (9), an evaporator (10) and an air feeder (11) are sequentially arranged in the upper layer of the shell (1) according to the fresh air inlet direction, an air supply flow port a (21) is formed in the position, corresponding to the air supply layer (5), between the direct evaporative cooling section (8) and the flow equalizing plate a (9), and the evaporator (10) is communicated with the mechanical refrigeration unit through a pipeline;

The mechanical refrigeration unit comprises a flow equalizing plate b (23), a condenser (24), a compressor (25), an exhaust fan (26) and an exhaust outlet (6) which are sequentially arranged in the lower layer of the shell (1) according to an air inlet direction, the condenser (24), the compressor (25) and the evaporator (10) are sequentially connected through pipelines to form a closed loop, and a throttle valve (27) is further arranged on the pipeline between the condenser (24) and the evaporator; the direct evaporative cooling section (8) comprises a filler (12), a water distributor (13) is arranged above the filler (12), a circulating water tank (14) is arranged below the filler (12), and the water distributor (13) is connected with the circulating water tank (14) through a circulating water pipe (15); the circulating water tank (14) is also connected with a water replenishing pipe (3) and a water drain pipe (18); the circulating water tank (14) is also internally provided with a float valve (19), the float valve (19) is connected to the water replenishing pipe (3), and the water drain pipe (18) is provided with a valve (20).

2. A unitary air treatment device according to claim 1, characterized in that the blow openings (4) are grille blow openings.

3. A unitary air treatment unit according to claim 1, characterized in that a water filter (16) and a circulating water pump (17) are also provided on the circulating water pipe (15).

4. The unitary air treatment device according to claim 1, wherein a plurality of gate valves (28) are uniformly arranged on the water distributor (13).

5. Unit air treatment device according to claim 1, characterized in that the bottom of the housing (1) is also evenly provided with four rollers (7).