CN203274089U - Press-in type stand pipe indirect evaporative cooling-hydrodynamic force water spraying chamber composite air conditioner - Google Patents

Abstract

The press-in vertical pipe indirect evaporative cooling-fluid power spray chamber composite air conditioner disclosed by the utility model includes an air conditioner shell, and the opposite side walls of the air conditioner shell are respectively provided with an air return port and an air supply port, inside the air conditioner shell According to the return air entering direction, there are disc type return air filter, new return air mixing chamber, vertical pipe indirect evaporative cooler, fluid power spray device and water baffle, and the top of the new return air mixing chamber is equipped with The fresh air outlet is provided with an air exhaust outlet on the top wall of the air conditioner housing corresponding to the upper part of the standpipe type indirect evaporative cooler. The composite air conditioner of the utility model realizes the two-stage treatment of humidity cooling such as indirect evaporative cooling and spraying in the spray room, increases the temperature drop range, improves the working environment of the workshop, and can be used as an auxiliary cold source in the cooling season, and shortens the cooling time. When the mechanical refrigeration is turned on, it can completely replace the mechanical refrigeration in some areas, and the energy saving effect is remarkable.

Description

Press-in riser indirect evaporative cooling-hydrodynamic spray chamber composite air conditioner

technical field

The utility model belongs to the technical field of air-conditioning equipment, and in particular relates to a press-in vertical pipe indirect evaporative cooling-fluid power water spray chamber composite air conditioner.

Background technique

At present, textile mills mainly use the traditional single-stage water spray room spraying air treatment method to cool down, but the air conditioning cooling effect of this method is limited. In the hot season, the opening time of mechanical refrigeration will be extended, resulting in an increase in energy consumption; in the transitional season, the limited temperature drop will increase the temperature of the workshop, which will affect the health of the staff and the quality of the product. At the same time, the higher workshop temperature shorten the life of the machine.

Utility model content

The purpose of this utility model is to provide a press-in vertical tube indirect evaporative cooling-fluid power spray room composite air conditioner, which realizes two-stage treatment of air such as indirect evaporative cooling and water spray room spraying, increasing The range of temperature drop is widened, and the operating time of artificial refrigeration is shortened.

The technical solution adopted by the utility model is that the press-in vertical pipe indirect evaporative cooling-fluid power spray chamber composite air conditioner includes an air conditioner shell, and the opposite side walls of the air conditioner shell are respectively provided with a return air outlet and a supply air outlet. The tuyere, the air conditioner housing is equipped with a disc-type return air filter, a fresh return air mixing chamber, a vertical pipe indirect evaporative cooler, a hydrodynamic water spray device and a water baffle in sequence according to the direction in which the return air enters, and the fresh return air is mixed. The top of the chamber is provided with a fresh air outlet, and the top wall of the air conditioner housing corresponding to the upper part of the standpipe type indirect evaporative cooler is provided with an exhaust outlet.

The utility model is also characterized in that,

The disc type return air filter includes a disc, the disc is provided with a mesh surface, and the center of the disc is provided with a rotating suction nozzle.

A blower fan is arranged in the fresh return air mixing chamber, and a plate-and-frame fresh air filter is arranged on the top of the fresh return air mixing chamber.

The vertical tube indirect evaporative cooler includes a vertical heat exchange tube device. The upper part of the vertical heat exchange tube device is provided with a water collecting pan, a water distributor and a packing type water collector in turn. The lower part of the vertical heat exchange tube device An air duct and a water collection box a are arranged in sequence, and a water filter a is arranged in the water collection box a, and the water filter a is connected to the water distributor through a circulating water pipe, and a water pump a is arranged on the circulating water pipe.

The packing type water eliminator is set at the same height as the plate and frame type fresh air filter.

The hydrodynamic sprinkler device includes two rows of vertical and oppositely arranged sprinkler pipes, the lower ends of the two rows of sprinkler pipes are connected through the water pipe a, and a hydrodynamic spray chamber is formed between the two rows of sprinkler pipes. Each row of spray pipes is provided with a plurality of target-type impinging flow nozzles for spraying at intervals, and the lower part of the hydrodynamic spray chamber is provided with a water collection box b, and the water pipe a passes through the water pipe b and the water filter set in the water collection box b b is connected, and the water pipe b is also provided with a water pump b and a three-way regulating valve, and the three-way regulating valve communicates with the cold water pipe.

The beneficial effects of the utility model are:

1) The composite air conditioner of this utility model adopts two-stage air treatment processes such as indirect evaporative cooling and water spray chamber spraying, which greatly improves the cooling effect and reduces the temperature of the workshop. It can be used as an auxiliary cold source in the cooling season and shorten the mechanical The opening time of refrigeration can completely replace the input of mechanical refrigeration in some areas, and the energy saving effect is remarkable.

2) The composite air conditioner of the present utility model adopts the vertical tube type indirect evaporative cooler, and the primary air flows outside the vertical heat exchange tube, which can effectively alleviate the problem of air blockage in textile workshops with high dust concentration .

3) The standpipe type indirect evaporative cooler in the composite air conditioner of the utility model adopts a single fan press-in type, which saves energy consumption and improves the energy efficiency ratio compared with the double fan indirect evaporative cooling.

4) The composite air conditioner of this utility model adopts the standpipe type indirect evaporative cooler, which saves the occupied space and alleviates the shortage of land.

5) The composite air conditioner of the utility model adopts a fluid power spray chamber, which alleviates the clogging problem of the nozzle, improves the heat and moisture exchange efficiency, and reduces the energy consumption of the water pump.

6) The composite air conditioner of the present utility model adopts a disc-type return air filter, which saves land occupation.

Description of drawings

Fig. 1 is the structural representation of the composite air conditioner of the present invention;

Fig. 2 is the structure schematic diagram of disc type return air filter in the composite air conditioner of the present invention;

Fig. 3 is a structural diagram of the riser-type indirect evaporative cooler in the compound air conditioner of the present invention.

In the figure, 1. Return air outlet, 2. Disc type return air filter, 3. Blower fan, 4. Vertical heat exchange tube device, 5. Water collection tank a, 6. Water filter a, 7. Water pump a, 8 .Water pump b, 9. Cold water pipe, 10. Three-way regulating valve, 11. Water filter b, 12. Water collection tank b, 13. Water baffle, 14. Air supply port, 15. Target impact flow nozzle, 16. Fluid power spray room, 17. Spray pipe, 18. Circulating water pipe, 19. Water distributor, 20. Packing water collector, 21. Air outlet, 22. Plate and frame fresh air filter, 23. Fresh air outlet, 24. new return air mixing chamber, 25. rotary suction nozzle, 26. water collection tray, 27 water pipe a, 28. water pipe b, 29. mesh surface.

Detailed ways

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

The structure of the press-in standpipe indirect evaporative cooling-fluid power spray chamber compound air conditioner of the present invention is shown in Figure 1, including an air conditioner casing, and air return ports are respectively arranged on the opposite side walls of the air conditioner casing 1. Air supply port 14, disc type return air filter 2, fresh return air mixing chamber 24, standpipe type indirect evaporative cooler, hydrodynamic water spray device and water retaining device are arranged in the air conditioner shell in sequence according to the direction of return air entry. Plate 13, fresh air outlet 23 is arranged on the top of the fresh return air mixing chamber, and air outlet 21 is arranged on the top wall of the air conditioner housing corresponding to the upper part of the standpipe type indirect evaporative cooler.

The disc type return air filter 2 has a structure as shown in FIG. 2 , including a disc on which a mesh surface 29 is arranged, and a rotating suction nozzle 25 is arranged in the center of the disc. After the disc-type return air filter 2 filters the return air of the workshop, the fiber dust and impurities are attached to the mesh surface 29 of the disc, and then sucked out by the rotary suction nozzle 25 on the disc-type return air filter 2 to clean the fiber dust. Centralized collection.

A blower 3 is arranged in the new return air mixing chamber 24 , and a plate-and-frame fresh air filter 22 is arranged on the top of the new return air mixing chamber 24 . The structure of the vertical pipe indirect evaporative cooler is shown in Figure 1 and Figure 3, including a vertical heat exchange tube device 4, and the upper part of the vertical heat exchange tube device 4 is sequentially provided with a water collecting pan 26 and a water distributor 19 , packing type water collector 20, the lower part of the vertical heat exchange tube device 4 is provided with an air duct and a water collection tank a5 in sequence, and a water filter a6 is arranged in the water collection tank a5, and the water filter a6 passes through the circulating water pipe 18 and the water distributor 19 is connected, and the circulating water pipe 18 is provided with a water pump a7.

The packing type water eliminator 20 is set at the same height as the plate and frame type fresh air filter 22 .

The structure of the hydrodynamic sprinkler device is shown in Figure 1. It includes two rows of vertical and opposite spray pipes 17. The lower ends of the two rows of spray pipes 17 are connected through the water pipe a27. 17 to form a hydrodynamic water spray chamber 16, and each row of spray pipes 17 is provided with a plurality of target-type impact flow nozzles 15 for spraying at intervals, and the bottom of the hydrodynamic water spray chamber 16 is provided with a water collection box b12, The water pipe a27 is connected to the water filter b11 provided in the water collection tank b12 through the water pipe b28, and the water pipe b28 is also provided with a water pump b8 and a three-way regulating valve 10, and the three-way regulating valve 10 communicates with the cold water pipe 9.

In the press-in type standpipe indirect evaporative cooling-fluid power spray chamber composite air conditioner of the utility model, the outdoor fresh air and the return air of the workshop are respectively filtered by the plate-and-frame fresh air filter 22 and the disc-type return air filter 2. The new return air mixing chamber 24 is fully mixed, and under the action of the blower 3, the mixed air is divided into two parts, and one part is used as the secondary air of the vertical pipe type indirect evaporative cooler to flow through the vertical heat exchange tube device 4, etc. Wet cooling treatment, heat and moisture exchange with circulating water and discharge; the other part flows through the vertical heat exchange tube device 4 as primary air, enters the fluid power spray chamber 16 after isohumid cooling treatment, and contacts with spray water , for heat and moisture exchange, and finally flows through the water baffle 13, and is sent into the workshop by the air outlet 14. Among them, in the vertical pipe indirect evaporative cooler, the primary air flows through the vertical heat exchange tube device 4, and the secondary air flows through the vertical heat exchange tube device 4 from bottom to top; the circulating water is sprayed by the water distributor 19 in the water collection In the tray 26, under the action of gravity, it flows through the vertical heat exchange tube device 4, contacts with the secondary air countercurrently to exchange heat and moisture, and then falls to the water collection tank a5.

Through the two-stage air treatment process of the indirect evaporative cooler in the standpipe and the spraying of the hydrodynamic water spray chamber 16, the cooling range is increased, the opening of the mechanical refrigerant is shortened or replaced, and the energy saving effect is obvious. The standpipe indirect evaporative cooler adopts a single fan press-in type, which reduces the initial investment and operating costs and improves the energy efficiency ratio. In addition, the indirect evaporative cooler adopts a vertical tube type, which can well alleviate the blockage of the air flow channel for the textile workshop with a high dust concentration, and at the same time greatly save the floor space.

The working process of the air system of the press-in type standpipe indirect evaporative cooling-fluid power spray room composite air conditioner of the utility model:

(1) Standpipe type indirect evaporative cooler secondary air system:

The return air from the workshop enters the air conditioner casing through the return air port 1, and enters the fresh return air mixing chamber 24 after being filtered by the disc return air filter 2. After being filtered, it enters the new return air mixing chamber 24 and is fully mixed with the return air. A part of the mixed air is used as the secondary air of the standpipe indirect evaporative cooler. Under the action of the blower 3, the secondary air flows through the standpipe type from bottom to top The vertical heat exchange tube device 4 of the indirect evaporative cooler is in countercurrent contact with the circulating water sprayed in the vertical heat exchange tube device 4, heat and moisture exchange occurs, the primary air outside the tube is equalized, and finally flows through the packing type The water eliminator 20 is discharged from the air outlet 21.

(2) The return air from the workshop enters the air conditioner casing through the return air outlet 1, and enters the fresh return air mixing chamber 24 after being filtered by the disc return air filter 2, and the outdoor fresh air enters the air conditioner casing through the fresh air outlet 23, and passes through the plate and frame fresh air After being filtered by the filter 22, it enters the new return air mixing chamber 24 and is fully mixed with the return air. The other part of the mixed air is used as the primary air of the standpipe indirect evaporative cooler. Under the action of the blower 3, the primary air flows through the standpipe and evaporates indirectly Outside the vertical heat exchange tube 4 of the cooler, the circulating water in the vertical heat exchange tube 4 and the secondary air undergo indirect heat exchange such as wet cooling, and then enter the fluid power spray chamber 16 to directly contact with the spray water Heat and mass exchange occurs, and finally flows through the water baffle 13, and is sent to the workshop by the air supply port 14 through the pipeline.

The working process of the press-in riser indirect evaporative cooling-fluid power spray chamber composite air conditioner water system of the utility model:

(1) Circulating water system of standpipe indirect evaporative cooler:

The circulating water in the water collecting tank a5, under the action of the water pump a7, is filtered by the water filter a6, enters the circulating water pipe 18 and is transported to the water distributor 19, and is sprayed by the water distributor 19 on the water collecting pan 26, under the action of gravity It enters the vertical heat exchange tube device 4 of the standpipe indirect evaporative cooler, contacts with the secondary air countercurrently to exchange heat and moisture, and exchanges heat indirectly with the primary air outside the vertical heat exchange tube device 4, and finally carries and washes down The dust impurity falls into the water collection tank a5 and repeats the cycle.

(2) Hydrodynamic spray chamber water system:

The spray water is in the water collection tank b12, and under the action of the water pump b8, it is filtered by the water filter b11 and flows to the three-way regulating valve 10. According to the requirements of the spray water temperature, it is mixed with the cold water in the cold water pipe 9 in proportion, and finally It is transported from the spray pipe 17 to the target impinging flow nozzle 15 for spraying, and after heat and moisture exchange with the primary air, it falls into the water collection tank b12 under the action of gravity and repeats the cycle.

The utility model combines the indirect evaporative cooler of the press-in standpipe with the hydrodynamic water spray chamber to construct the evaporative cooling air-conditioning unit, which effectively overcomes the shortcomings of the traditional air conditioning method, and combines the indirect evaporative cooling with the water spray chamber. The cooling range is increased, the indoor comfort is improved, the running time of mechanical refrigeration is shortened, and it is used as an auxiliary cold source of mechanical refrigeration in the cooling season, and it can completely replace mechanical refrigeration in some areas, and the energy saving effect is remarkable.

Claims (5)

1. The press-in vertical pipe indirect evaporative cooling-hydrodynamic water spray chamber compound air conditioner is characterized in that it includes an air-conditioning shell, and the opposite side walls of the air-conditioning shell are respectively provided with a return air outlet (1) and The air outlet (14), the air-conditioning housing is provided with a disc-type return air filter (2), a new return air mixing chamber (24), a standpipe type indirect evaporative cooler, a fluid power type Water spray device and water baffle (13), the top of the new return air mixing chamber (24) is provided with a fresh air outlet (23), and the top wall of the air conditioner housing corresponding to the upper part of the standpipe type indirect evaporative cooler An air outlet (21) is provided. the 2. The composite air conditioner according to claim 1, characterized in that, the disc-type return air filter (2) includes a disc on which a mesh surface (29) is arranged, and the center of the disc is A rotary suction nozzle (25) is provided. the 3. The composite air conditioner according to claim 1, characterized in that, the new return air mixing chamber (24) is provided with a blower (3), and the top of the new return air mixing chamber (24) is provided with a plate frame Type fresh air filter (22); The vertical tube type indirect evaporative cooler includes a vertical heat exchange tube device (4), and the upper part of the vertical heat exchange tube device (4) is sequentially provided with a water collecting pan (26), a water distributor (19 ) and packing type water eliminator (20), the lower part of the vertical heat exchange tube device (4) is provided with an air duct and a water collection tank a (5) in turn, and the water collection tank a (5) is provided with a water filter The water filter a (6), the water filter a (6) is connected to the water distributor (19) through the circulating water pipe (18), and the water pump a (7) is arranged on the circulating water pipe (18). the 4. The composite air conditioner according to claim 3, characterized in that the packing type water eliminator (20) is set at the same height as the plate and frame type fresh air filter (22). the 5. The composite air conditioner according to claim 1, characterized in that, the fluid dynamic water spray device includes two rows of vertical and opposite spray pipes (17), two rows of spray pipes ( The lower end of 17) is communicated with the water pipe a (27), and a hydrodynamic water spray chamber (16) is formed between two rows of spray pipes (17). Each row of spray pipes (17) is provided with a plurality of pairs of The target impinging flow nozzle (15) for spraying, the lower part of the hydrodynamic water spray chamber (16) is provided with a water collection tank b (12), and the water pipe a (27) connects with the water collection box b (28) The water filter b (11) set in the water tank b (12) is connected, and the water pipe b (28) is also equipped with a water pump b (8) and a three-way regulating valve (10), and the three-way regulating valve (10 ) communicate with the cold water pipe (9). the

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