CN203024307U - Two-stage evaporative cooling air conditioning unit utilizing pulse to treat circulation water - Google Patents

Abstract

The utility model discloses a two-stage evaporative cooling air-conditioning unit for pulse-processing circulating water, which comprises an air-conditioning shell, fresh air outlets and air supply ports are arranged on the opposite side walls of the air-conditioning shell, and the inside of the air-conditioning shell is arranged in sequence according to the incoming direction of fresh air. Inertial filter, tube indirect evaporative cooler with pulse water processor a, direct evaporative cooler with pulse water processor b, water baffle a and blower. The two-stage evaporative cooling air-conditioning unit of the utility model reduces scaling and bacteria and algae growth in the circulating water system through air filtration and pulse water treatment, and improves the cooling efficiency of the unit.

Description

A two-stage evaporative cooling air-conditioning unit with pulse treatment of circulating water

technical field

The utility model belongs to the technical field of air-conditioning equipment, in particular to a two-stage evaporative cooling air-conditioning unit for pulse-processing circulating water.

Background technique

In recent years, with the gradual deepening of research by domestic and foreign scholars, evaporative cooling technology has made great progress, and evaporative cooling air handling units have emerged as the times require. It has been widely used, and plays a good role in low carbon, energy saving and improving indoor air quality. However, the evaporative cooling air handling unit uses circulating water as the medium for cooling and cooling. Long-term operation will cause scaling, corrosion and bacterial growth in the circulating water system, which will not only greatly affect the heat exchange efficiency, but also reduce the air quality. quality.

At present, most of the solutions adopted are as follows: one is regular drainage and sewage discharge, which will cause waste of water resources while increasing the workload; the other is to add chemical substances to prevent scale and corrosion, but chemical treatment will inevitably bring more pollution Great economic pressure, resulting in secondary pollution will also bring serious environmental problems. It can be seen from this that the treatment of water quality and the reduction of drainage and water replenishment have become an important research direction of the circulating cooling water treatment of evaporative cooling air conditioners, and it is also an important part of promoting the application of evaporative cooling air conditioners to a wider range.

Contents of the invention

The purpose of the utility model is to provide a two-stage evaporative cooling air-conditioning unit for pulse treatment of circulating water. Through air filtration and pulse water treatment, scaling and bacteria and algae growth in the circulating water system are reduced, and the cooling efficiency of the unit is improved.

The technical solution adopted by the utility model is a two-stage evaporative cooling air-conditioning unit for pulse processing circulating water, including an air-conditioning shell, and a fresh air port and an air supply port are arranged on the opposite side walls of the air-conditioning shell. In the direction of entry, an inertial filter, a tubular indirect evaporative cooler with a pulse water processor a, a direct evaporative cooler with a pulse water processor b, a water baffle a and a blower are arranged in sequence.

The utility model is also characterized in that,

The structure of the tubular indirect evaporative cooler with pulse water processor a is as follows: it includes a heat exchange tube group, and the upper part of the heat exchange tube group is sequentially provided with a water distributor a, a water retaining plate b and a secondary exhaust fan. The top wall of the air-conditioning housing corresponding to the exhaust fan is provided with a secondary air outlet, and the lower part of the heat exchange tube group is provided with a sump a, which is connected to the water distributor a through the circulating water pipe a, and the pulse water processor a and the circulation The water pump a is arranged on the pipe connecting the circulating water pipe a and the water distributor a.

The structure of the direct evaporative cooler with pulse water processor b is as follows: it includes packing, the upper part of the packing is provided with a water distributor b, the lower part of the packing is provided with a sump b, and the sump b passes through the circulating water pipe b and the water distributor b connected, the pulse water processor b and the circulating water pump b are arranged on the pipe connecting the circulating water pipe b and the water distributor b.

The casing of the tubular indirect evaporative cooler is provided with a water processor control box, and the casing of the direct evaporative cooler is provided with a water processor control box.

The inertial filter is connected with the inertial filter dust remover outside the air conditioner housing through wires.

The beneficial effects of the utility model are:

1) The two-stage evaporative cooling air-conditioning unit of this utility model uses pulse technology to process circulating water, which can effectively prevent scaling and bacteria and algae growth in the circulating water system, improve heat exchange efficiency of heat exchangers, increase the concentration of circulating water, and reduce Reduce water consumption while avoiding local corrosion of equipment due to scaling.

2) The circulating water treatment method of the two-stage evaporative cooling air-conditioning unit of the utility model is a physical water treatment method, which avoids secondary pollution and high costs caused by chemical water treatment.

3) The pulse water treatment technology used by the two-stage evaporative cooling air-conditioning unit of the present utility model can operate in the harsh alkaline environment, making calcium carbonate a natural corrosion inhibitor, protecting the equipment and prolonging the service life of the unit.

4) The two-stage evaporative cooling air-conditioning unit of the present utility model adopts an inertial filter, and can also be used in areas with a lot of dusty weather, so that the application range of the two-stage evaporative cooling unit is wider.

5) The pulse water processor of the two-stage evaporative cooling air-conditioning unit of the utility model is easy to install, takes up little space, has a compact structure, and has high operating efficiency and long duration.

Description of drawings

Fig. 1 is the structural representation of the utility model two-stage evaporative cooling air-conditioning unit;

Fig. 2 is a structural schematic diagram of a pulse water processor installed on the shell of the evaporative cooler in the two-stage evaporative cooling air-conditioning unit of the present invention.

In the figure, 1. fresh air outlet, 2. inertial filter, 3. inertial filter dust remover, 4. tubular indirect evaporative cooler, 5. sump a, 6. pulse water processor a, 7. circulating water pump a , 8. Direct evaporative cooler, 9. Water baffle a, 10. Blower fan, 11. Air outlet, 12. Water distributor a, 13. Circulating water pipe a, 14. Shell of tubular indirect evaporative cooler, 15 .Water processor control box, 16. Water baffle b, 17. Secondary exhaust fan, 18. Water distributor b, 19. Pool b, 20. Circulating water pipe b, 21. Pulse water processor b, 22. Circulating water pump b.

Detailed ways

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

The structure of the two-stage evaporative cooling air-conditioning unit of the present invention is shown in Figure 1. An air outlet 11 is set on the wall, and an inertial filter 2, a tubular indirect evaporative cooler 4 with a pulse water processor a6, and a direct evaporative cooler 8 with a pulse water processor b21 are arranged in sequence in the air conditioner housing according to the incoming direction of fresh air , water baffle a9 and air blower 10.

The structure of the tubular indirect evaporative cooler 4 with the pulse water processor a6 is as follows: it includes a heat exchange tube group, and the upper part of the heat exchange tube group is sequentially provided with a water distributor a12, a water retaining plate b16 and a secondary exhaust fan 17, The top wall of the air conditioner housing corresponding to the secondary exhaust fan 17 is provided with a secondary air outlet, and the lower part of the heat exchange tube group is provided with a sump a5, which is connected to the water distributor a12 through the circulating water pipe a13, and the pulse water processor a6 and the circulating water pump a7 are arranged on the pipe connecting the circulating water pipe a13 and the water distributor a12.

The structure of the direct evaporative cooler 8 with pulse water processor b21 is as follows: it includes packing, the upper part of the packing is provided with a water distributor b18, and the lower part of the packing is provided with a water collection pool b19, and the water collection pool b19 is connected to the water distributor through the circulating water pipe b20 The b18 is connected, and the pulse water processor b21 and the circulating water pump b22 are arranged on the pipe connecting the circulating water pipe b20 and the water distributor b18.

The inertial filter 2 is connected with the inertial filter dust remover 3 outside the air conditioner casing by wires. The inertial filter 2 provided at the fresh air outlet 1 can effectively filter and remove dust from the outdoor fresh air and reduce the generation of dirt and impurities in the circulating water system.

In the two-stage evaporative cooling air-conditioning unit of the present utility model, the pulse water processors are respectively arranged in the circulating water systems of the indirect evaporative cooler 4 and the direct evaporative cooler 8, as shown in Fig. 2, in the unit with the pulse water processor a6 A water processor control box 15 is arranged on the shell 14 of the tubular indirect evaporative cooler or the direct evaporative cooler 8 with the pulse water processor b21, so as to facilitate the operation and management of personnel.

The working process of the air system of the utility model two-stage evaporative cooling air-conditioning unit:

As shown in Figure 1, the outdoor fresh air enters the air-conditioning housing from the fresh air outlet 1, and after being filtered by the inertial filter 2, it enters the indirect evaporative cooler 4 for isohumid cooling, and then enters the direct evaporative cooler 8 for isenthalpic cooling. It reaches the sub-wet bulb temperature lower than the wet bulb temperature of the outdoor air, and finally passes through the water baffle 9a, and is sent into the air-conditioning area by the air supply port 11 under the action of the blower 10.

The working process of the circulating water system of the utility model two-stage evaporative cooling air-conditioning unit:

The circulating water in the sump a5 of the tubular indirect evaporative cooler 4 with the pulse water processor a6, as shown in Figure 2, is sent to the pulse water processor a6 under the action of the circulating water pump a7, and then In a6, the pulsed electromagnetic field is used to treat the cooling water to complete scale inhibition and sterilization. The treated circulating water is transported to the water distributor a12 through the circulating water pipe a13 for spraying, and the secondary air or primary air is used for direct heat and moisture exchange to cool down, and finally returns to the In the sump a5, the cycle is repeated.

At the same time, the circulating water in the sump b19 of the direct evaporative cooler 8 is sent to the pulse water processor b21 through the circulating water pipe b20 under the action of the circulating water pump b22, and the pulse electromagnetic field is used in the pulse water processor b21 to treat the cooling water to complete the scale inhibition and sterilization, the treated circulating water is transported to the water distributor b18 through the circulating water pipe b20 for spraying, and performs direct heat and moisture exchange with secondary air or primary air to cool down, and finally returns to the sump b19 to repeat the cycle.

The evaporative cooling air-conditioning unit of the utility model is aimed at the problems in the actual application of the existing evaporative cooling air-conditioning units, and proposes an evaporative cooling air-conditioning unit using pulse technology to process circulating water. The unit is safe, efficient and environmentally friendly. The problem of circulating water quality will promote the large-scale application of the unit.

Claims (5)

1. A two-stage evaporative cooling air-conditioning unit for pulse-processing circulating water, characterized in that it includes an air-conditioning housing, and a fresh air outlet (1) and an air supply outlet (11) are arranged on the opposite side walls of the air-conditioning housing. According to the incoming direction of fresh air, inertial filter (2), tubular indirect evaporative cooler (4) with pulse water processor a (6) and direct evaporative cooler with pulse water processor b (21) are installed in the air conditioner housing in sequence. Cooler (8), water baffle a (9) and air blower (10). 2. The two-stage evaporative cooling air-conditioning unit according to claim 1, characterized in that the structure of the tube-type indirect evaporative cooler (4) with pulse water processor a (6) is: including heat exchange tubes The upper part of the heat exchange tube group is provided with a water distributor a (12), a water baffle b (16) and a secondary exhaust fan (17), and the air conditioning shell corresponding to the secondary exhaust fan (17) The top wall of the body is provided with a secondary air outlet, and the lower part of the heat exchange tube group is provided with a water collection pool a (5), and the water collection pool a (5) is connected to the water distributor a through the circulating water pipe a (13) (12) connection, the pulse water processor a (6) and circulating water pump a (7) are set on the pipe connecting the circulating water pipe a (13) and the water distributor a (12). 3. The two-stage evaporative cooling air-conditioning unit according to claim 1, characterized in that, the structure of the direct evaporative cooler (8) with pulse water processor b (21) is: it includes packing, and the packing The upper part of the filler is provided with a water distributor b (18), and the lower part of the packing is provided with a sump b (19). The pulse water processor b (21) and the circulating water pump b (22) are arranged on the pipe connecting the circulating water pipe b (20) and the water distributor b (18). 4. The two-stage evaporative cooling air-conditioning unit according to claim 2 or 3, characterized in that, the shell (14) of the tubular indirect evaporative cooler is provided with a water processor control box (15), so The shell of the direct evaporative cooler (8) is provided with a water processor control box (15). 5. The two-stage evaporative cooling air-conditioning unit according to claim 1, characterized in that the inertial filter (2) is connected to the inertial filter dust remover (3) outside the air-conditioning housing through wires.

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