CN103292399B - The Winter-summer dual purpose direct evaporative cooling air conditioner group of filler apportion arranged crosswise - Google Patents

Abstract

The winter and summer direct evaporative cooling air-conditioning unit disclosed by the present invention includes a unit casing and a solar water heater. The opposite side walls of the unit casing are respectively provided with fresh air outlets and air supply outlets. In the direction of entry, there are primary filter, first-stage direct evaporative cooler, second-stage direct evaporative cooler, rotary air equalizer and blower, first-stage direct evaporative cooler and second-stage direct evaporative cooler Arranged vertically and crosswise, the second-stage direct evaporative cooler is connected to the solar water heater and the first-stage direct evaporative cooler through a pipe network. The air-conditioning unit of the present invention organically combines solar water heaters with direct evaporative cooling air-conditioning units, and adopts the form of cross-arrangement of heat exchangers, which reduces the resistance of heat exchangers while increasing cooling efficiency, and fully exerts the leading role of evaporative cooling Function, so that the air conditioning unit has the advantages of environmental protection, high efficiency and energy saving.

Description

Winter and summer dual-purpose direct evaporative cooling air-conditioning unit arranged in rows and crosses

technical field

The invention belongs to the technical field of air-conditioning equipment, and in particular relates to a winter-summer dual-purpose direct evaporative cooling air-conditioning unit with fillers arranged in columns and crosses.

Background technique

With the continuous application and development of evaporative cooling technology, the requirements for evaporative cooling technology are getting higher and higher, not only in summer, but also in winter. At the same time, the existing evaporative cooling equipment needs to be continuously optimized in structure and improved in efficiency.

By increasing the contact area of the filler in the evaporative cooling equipment, the resistance of the direct evaporative cooler can be reduced, and the efficiency of the direct evaporative cooling can be improved at the same time, so as to meet the requirements of sending cold air in summer and hot air in winter.

Contents of the invention

The object of the present invention is to provide a direct evaporative cooling air-conditioning unit for winter and summer with fillers arranged in columns and crosses. The solar water heater is combined with the direct evaporative cooling air-conditioning unit, and the heat exchangers are arranged in columns and crosses to reduce heat transfer. While increasing the cooling efficiency while reducing the resistance of the device, it also gives full play to the leading role of evaporative cooling.

The technical solution adopted in the present invention is that the direct evaporative cooling air-conditioning unit for winter and summer, which is arranged in rows and crosses, includes a unit casing and a solar water heater, and fresh air outlets and air supply outlets are respectively arranged on the opposite side walls of the unit casing. The casing of the unit is equipped with a primary filter, a first-stage direct evaporative cooler, a second-stage direct evaporative cooler, a rotating air equalizer plate and a blower, and a first-stage direct evaporative cooler and a second-stage direct evaporative cooler according to the direction in which the fresh air enters. The first-stage direct evaporative coolers are arranged up and down in cross rows, the first-stage direct evaporative coolers are arranged on the upper part, the second-stage direct evaporative coolers are arranged on the lower part, and the second-stage direct evaporative coolers are connected to the solar water heater and the first Stage direct evaporative cooler connection.

The present invention is also characterized in that,

The first-stage direct evaporative cooler includes filler a and a water baffle a arranged at the rear of the filler a, the upper part of the filler a is provided with a nozzle a, and the lower part of the filler a and the water baffle a is set in the water collection tank a .

The second-stage direct evaporative cooler includes filler b and a water baffle b arranged at the rear of the filler b, the upper part of the filler b is provided with a nozzle b, and the lower part of the filler b and the water baffle b is set in the water collection tank b , a water filter is installed in the water collection tank b, the water filter is connected to a water supply pipe, a circulating water pump is arranged on the water supply pipe, the water supply pipe is connected to a water supply branch pipe a and a water supply branch pipe b, the water supply branch pipe a is connected to the nozzle b, and the water supply branch pipe b It is connected to the nozzle a, the water collection tank b is connected to the water collection tank a through a hose, and the upper part of the second-stage direct evaporative cooler is connected to the lower part of the first-stage direct evaporative cooler through a windshield.

Both the water supply branch pipe a and the water supply branch pipe b are provided with valves.

The pipe network structure between the second-stage direct evaporative cooler and the solar water heater in the unit shell is: the water collection tank b of the second-stage direct evaporative cooler is connected with a water supply pipe, and the solar water heater is connected to the water supply pipe through the water inlet pipe. There is a three-way valve.

The beneficial effects of the present invention are:

1. The winter and summer direct evaporative cooling air-conditioning unit of the present invention filters the outdoor fresh air through the primary effect filter, and then conducts heat and humidity treatment through two direct evaporative coolers arranged in rows and crosses, and passes through the respective water baffles. The carried water droplets are separated, and then passed through the rotating air distribution plate to equalize and mix the air, and then sent to the working area through the blower.

2. In the winter and summer direct evaporative cooling air-conditioning unit of the present invention, the two pieces of packing are arranged in rows and crosses. Under a certain unit section, the actual use area of the packing is increased, and the head-on wind speed of the packing is reduced, thereby reducing The resistance of the direct evaporative cooler is reduced; at the same time, the increase of the contact area improves the efficiency of the direct evaporative cooler.

3. In the winter and summer direct evaporative cooling air-conditioning unit of the present invention, the two direct evaporative coolers arranged in rows and crosses share a circulating water pump, and the valves on the pipelines are used to adjust the amount of water required for each, and the two direct evaporative coolers are set There are separate water collection tanks, and the two water collection tanks are connected by connecting hoses. The water in the upper water collection tank flows to the lower water collection tank by gravity, and then is supplied by the circulating water pump to circulate.

4. In the winter and summer direct evaporative cooling air-conditioning unit of the present invention, tap water is used to replenish water in summer, and the air is subjected to isenthalpic cooling and humidification treatment; in winter, solar water heaters are used to supplement hot water, and the hot water is sprayed on the filler to increase the temperature of the air Humidification treatment.

5. In the winter and summer direct evaporative cooling air-conditioning unit of the present invention, the air treated by the two direct evaporative coolers is fully mixed and evenly flowed by the rotating air equalizer plate, so that the temperature and humidity field of the airflow is more uniform, avoiding the The air entering the work area can cause discomfort to personnel.

6. When the humidity of the winter and summer direct evaporative cooling air-conditioning unit of the present invention is too high in the indoor working area, one of the direct evaporative coolers can be closed through a valve, thereby reducing the amount of air exchanged with circulating water for heat and humidity, and finally reducing purpose of humidity.

Description of drawings

Fig. 1 is a schematic structural view of the winter and summer direct evaporative cooling air conditioning unit of the present invention.

In the figure, 1. Fresh air outlet, 2. Primary filter, 3. Water collection tank a, 4. Nozzle a, 5. Packing a, 6. Water baffle a, 7. Connecting hose, 8. Wind baffle, 9. Water collection tank b, 10. Water filter, 11. Circulating water pump, 12. Valve, 13. Nozzle b, 14. Packing b, 15. Water baffle b, 16. Rotary air equalizer plate, 17. Blower , 18. Air outlet, 19. Solar water heater, 20. Water supply pipe, 21. Water supply branch a, 22. Water supply branch b, 23. Water supply pipe, 24. Water inlet pipe.

Detailed ways

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

The winter and summer dual-purpose direct evaporative cooling air-conditioning unit of the present invention, as shown in Figure 1, includes a unit casing and a solar water heater 19, and the opposite side walls of the unit casing are respectively provided with fresh air outlets 1, air supply The tuyere 18, the casing of the unit is provided with a primary filter 2, a first-stage direct evaporative cooler, a second-stage direct evaporative cooler, a rotary air equalizer plate 16 and a blower 17 in sequence according to the direction in which the fresh air enters. The evaporative cooler and the second-stage direct evaporative cooler are arranged vertically and crosswise, the first-stage direct evaporative cooler is arranged on the upper part, the second-stage direct evaporative cooler is arranged on the lower part, and the second-stage direct evaporative cooler passes through the pipe network It is connected with the solar water heater 19 and the first stage direct evaporative cooler.

The structure of the first-stage direct evaporative cooler is shown in Figure 1, including packing a5 and a water baffle a6 arranged at the rear of the packing a5, and the upper part of the packing a5 is provided with a nozzle a4, the filling a5 and the water baffle a6 The lower parts are all arranged in the water collection tank a3.

The structure of the second-stage direct evaporative cooler is shown in Figure 1. It includes packing b14 and a water baffle b15 arranged at the rear of the packing b14. The upper part of the packing b14 is provided with a nozzle b13, the packing b14 and the water baffle b15. The lower part is arranged in the water collection tank b9, the water collection tank b9 is provided with a water filter 10, the water filter 10 is connected with a water supply pipe 20, the water supply pipe 20 is provided with a circulating water pump 11, the water supply pipe 20 is connected with a water supply branch pipe a21 and a water supply pipe The branch pipe b22, the water supply branch pipe a21 is connected to the nozzle b13, the water supply branch pipe b22 is connected to the nozzle a4 of the first-stage direct evaporative cooler, the water collection tank b9 is connected to the water collection tank a3 through the hose 7, and the lower part of the first-stage direct evaporative cooler is connected to the A windshield 8 is arranged between the upper parts of the second-stage direct evaporative cooler.

Both the water supply branch pipe a21 and the water supply branch pipe b22 are provided with valves 12 .

The pipe network structure between the second-stage direct evaporative cooler and the solar water heater 19 in the casing of the unit is:

The water collecting tank b9 of the second-stage direct evaporative cooler is connected with a water supply pipe 23, and the solar water heater 19 is connected with the water supply pipe 23 through a water inlet pipe 24, and a three-way valve is arranged at the connection.

The fresh air enters the unit casing through the fresh air outlet 1, and the air filtered by the primary filter 2 is divided into two parts, which respectively pass through two direct evaporative coolers and circulating water for heat and moisture exchange, and the air treated by the unit is sent to into the workspace.

The two direct evaporative coolers in the casing of the unit are arranged in rows and crossed, with a windshield 8 arranged between them, and a water baffle is arranged behind the two direct evaporative coolers, which can separate the carried water droplets. The treated air is mixed and evenly flowed by the rotating air equalizing plate 16 before being sent to the working area.

The lower part of the two direct evaporative coolers is equipped with a water collection tank, and the two water collection tanks are connected through the connecting hose 7, and the circulating water in the water collection tank a3 of the first-stage direct evaporative cooler in the upper part flows into the second lower part by gravity. Two direct evaporative coolers share a water filter 10 and a circulating water pump 11; the circulating water pump 11 communicates with the water collecting tank b9, nozzle a4 and nozzle b13 respectively through water supply pipes. A valve 12 is provided on the water supply pipe to adjust the circulating water volume required by each of the two direct evaporative coolers, and one of the valves 12 can also be closed according to actual needs to reduce the humidity in the working area.

The primary effect filter 2 can purify the air, improve the heat and moisture exchange efficiency between the treated air and the direct evaporative cooler, and at the same time protect the direct evaporative cooler.

The water in the water collection tank b9 will be processed through a water filter to prevent the water outlets of the circulating water pump 11 and the water supply pipe 20, the water supply branch pipe a21, and the water supply branch pipe b22 from being blocked.

In order to avoid the inhomogeneity of the temperature and humidity field of the treated air, a rotating air equalizing plate 16 is provided on the front side of the blower 17 to fully mix and equalize the treated air before sending it into the working area.

In summer, the direct evaporative cooler connects tap water with replenishing pipe 23 for water supply, and in winter uses hot water generated by solar water heater 19 to spray filler a5 and filler b14 to heat and humidify the air.

The working process of the winter and summer direct evaporative cooling air conditioning unit of the present invention:

The fresh air enters through the fresh air outlet 1, and after passing through the primary filter 2 to filter the dust, it enters into two direct evaporative coolers arranged in rows and crosses, and passes through the water filter 10, the circulating water pump 11, the water supply pipe 20, and the water supply branch pipe a21, water supply branch pipe b22, nozzle a4 and nozzle b13 are finally sprayed to the circulating water on the surface of packing a5 and packing b14 for heat and moisture exchange, and the water separation of water retaining plate a6 after packing a5 and water retaining plate b15 after packing b14 After functioning, the air is fully mixed and evenly flowed by the rotating air equalizing plate 16, and finally sent into the working area by the air blower 17 through the air supply port 18.

In summer, tap water can be utilized to replenish water through the water supply pipe 23, and in winter, the hot water produced by the solar water heater 19 is sprayed onto the surface of the filler to heat and humidify the air. When the humidity in the working area is too high, the circulating water supply of one of the direct evaporative coolers can be closed through the valve 12, so as to reduce the humidity.

Claims (5)

1. the Winter-summer dual purpose direct evaporative cooling air conditioner group of filler apportion arranged crosswise, it is characterized in that, comprise machine unit shell and solar water heater (19), the two side that described machine unit shell is relative is respectively arranged with fresh wind port (1), air outlet (18), described machine unit shell is disposed with roughing efficiency air filter (2) by new wind approach axis, first order direct evaporative cooler, second level direct evaporative cooler, rotary air homogenizing plate (16) and pressure fan (17), described first order direct evaporative cooler and second level direct evaporative cooler are upper and lower apportion arranged crosswise, described first order direct evaporative cooler is arranged at top, described second level direct evaporative cooler is arranged at bottom, described second level direct evaporative cooler is connected with described solar water heater (19) and first order direct evaporative cooler by pipe network.

2. Winter-summer dual purpose direct evaporative cooling air conditioner group according to claim 1, it is characterized in that, described first order direct evaporative cooler, include filler a(5) and be arranged at filler a(5) the water fender a(6 at rear portion), described filler a(5) top be provided with nozzle a(4), described filler a(5) and described water fender a(6) bottom be all arranged at header tank a(3) in.

3. Winter-summer dual purpose direct evaporative cooling air conditioner group according to claim 1 and 2, it is characterized in that, described second level direct evaporative cooler, include filler b(14) and be arranged at filler b(14) the water fender b(15 at rear portion), described filler b(14) top be provided with nozzle b(13), described filler b(14) and described water fender b(15) bottom be all arranged at header tank b(9) in, described header tank b(9) in be provided with water filter (10), described water filter (10) is connected with feed pipe (20), described feed pipe (20) is provided with water circulating pump (11), described feed pipe (20) is connected with water supply arm a(21) and water supply arm b(22), described water supply arm a(21) with described nozzle b(13) be connected, described water supply arm b(22) with described nozzle a(4) be connected, described header tank b(9) by flexible pipe (7) and described header tank a(3) be connected, the top of described second level direct evaporative cooler is connected with the bottom of first order direct evaporative cooler by deep bead (8).

4. Winter-summer dual purpose direct evaporative cooling air conditioner group according to claim 3, is characterized in that, described water supply arm a(21) and water supply arm b(22) on be all provided with valve (12).

5. Winter-summer dual purpose direct evaporative cooling air conditioner group according to claim 3, is characterized in that, the second level direct evaporative cooler in described machine unit shell and the pipe network structure between solar water heater (19) are:

The header tank b(9 of described second level direct evaporative cooler) be connected with filling pipe (23), described solar water heater (19) is connected with described filling pipe (23) by water inlet pipe (24), and junction is provided with three-way valve.