CN203628884U - Stand-pipe-type direct-indirect two-level evaporative cold air machine - Google Patents

Abstract

The utility model discloses a standpipe type indirect-direct two-stage evaporative air conditioner, which includes a unit casing, an air inlet is provided in the center of the bottom of the unit casing, and an air blower and an air filter are sequentially arranged in the air inlet. There is an air deflector at the intersection of the two side walls and the bottom of the unit shell, and a standpipe indirect-direct two-stage evaporative cooling device is arranged symmetrically on the left and right sides of the unit shell, and two standpipe indirect-direct two-stage evaporative cooling devices Air deflector d in between, two risers indirect-direct two-stage evaporative cooling with air deflector c between the air filter, both risers indirect-direct two-stage evaporative cooling through exhaust air The pipe communicates with the interlayer of the indoor ceiling, and the air supply channel communicates with the room through the air supply pipe. The two-stage evaporative air conditioner of the utility model can not only perform indirect and direct two-stage evaporative cooling on the air, reduce the temperature of the air supply, but also reduce the occupied area, and the arrangement is convenient and flexible.

Description

A standpipe type indirect-direct two-stage evaporative air conditioner

technical field

The utility model belongs to the technical field of air-conditioning equipment, in particular to a standpipe type indirect-direct two-stage evaporative air conditioner.

Background technique

At present, most of the traditional household air conditioners are wall-mounted mechanical refrigeration air conditioners or floor cabinet mechanical refrigeration air conditioners. Due to the large population base and large proportion of rural population in our country, the energy consumption of household air conditioners is huge and difficult to pay.

At present, household evaporative air conditioners and cooling fans that have been widely promoted have remarkable energy-saving effects due to the use of low-carbon and environmentally friendly evaporative cooling technology. However, evaporative air conditioners and cooling fans only perform direct evaporative cooling on the air, and the cooling effect is limited. Therefore, the further promotion of evaporative cooling technology in the residential field is limited; and single-stage, multi-stage, and evaporative cooling air-conditioning units combined with mechanical refrigeration are difficult to apply in the residential field due to their large footprint.

Therefore, the development of a household evaporative air conditioner that occupies a small area and can perform multi-stage evaporative cooling of air at the same time has far-reaching significance for energy saving.

Utility model content

The purpose of this utility model is to provide a standpipe type indirect-direct two-stage evaporative air conditioner, which can not only perform indirect and direct two-stage evaporative cooling on the air, reduce the temperature of the air supply, but also reduce the occupied area and facilitate the layout flexible.

The technical solution adopted by the utility model is a standpipe type indirect-direct two-stage evaporative air conditioner, which includes an organic unit casing, an air inlet is arranged in the center of the bottom of the unit casing, and the air inlet is arranged in sequence according to the air entering direction. Air blower and air filter, the intersection of the opposite side walls of the unit shell and the bottom of the unit shell are respectively provided with air deflector a and air guide b, and the left and right sides of the unit shell are symmetrically provided with the first riser indirect - direct two-stage evaporative cooling device, second riser indirect-direct two-stage evaporative cooling device, between first riser indirect-direct two-stage evaporative cooling device and second riser indirect-direct two-stage evaporative cooling device The air supply channel is provided with an air deflector d in the air supply channel, the first vertical pipe indirect-direct two-stage evaporative cooling device, the second vertical pipe indirect-direct two-stage evaporative cooling device and the air filter are provided with air Deflector c, the indirect-direct two-stage evaporative cooling device of the first vertical pipe communicates with the interlayer of the indoor ceiling through the first exhaust pipe, and the indirect-direct two-stage evaporative cooling device of the second vertical pipe communicates with the indoor ceiling through the second exhaust pipe The interlayer is connected, and the top of the air supply channel communicates with the room through the air supply pipe.

The utility model is also characterized in that,

The blower is a press-in type blower.

An exhaust valve a is arranged in the first exhaust pipe;

An exhaust valve b is arranged in the second exhaust pipe;

An air supply valve is arranged in the air supply pipe.

The first riser indirect-direct two-stage evaporative cooling device includes a standpipe indirect evaporative cooler a and a direct evaporative cooler a, and the direct evaporative cooler a is arranged between the standpipe indirect evaporative cooler a and the air supply channel;

The second standpipe indirect-direct two-stage evaporative cooling device includes a standpipe indirect evaporative cooler b and a direct evaporative cooler b, and the direct evaporative cooler b is arranged between the standpipe indirect evaporative cooler b and the air supply channel.

The vertical pipe indirect evaporative cooler a includes a vertical heat exchange tube group a, the upper part of the vertical heat exchange tube group a is sequentially provided with an indirect water distributor a and a water collector a, and the lower part of the vertical heat exchange tube group a is sequentially An air duct and an indirect section water tank a are provided, and the indirect section water tank a communicates with the indirect section water distributor a through a water pipe and an indirect section circulating water pump a.

The vertical heat exchange tube group a is composed of a plurality of vertically arranged heat exchange tubes arranged in multiple rows and columns.

The vertical pipe indirect evaporative cooler b includes a vertical heat exchange tube group b, the upper part of the vertical heat exchange tube group b is sequentially provided with an indirect section water distributor b and a water collector b, and the lower part of the vertical heat exchange tube group b is sequentially An air duct and an indirect section water tank b are provided, and the indirect section water tank b communicates with the indirect section water distributor b through a water pipe and an indirect section circulating water pump b.

The vertical heat exchange tube group b is composed of a plurality of vertically arranged heat exchange tubes arranged in multiple rows and columns.

The direct evaporative cooler a includes filler a, the upper part of the filler a is provided with the direct section water distributor a, the lower part of the filler a is provided with the direct section water tank a, the direct section water tank a is connected with the direct section water distributor a through the water supply pipe, and the water supply The pipe is provided with a direct section circulating water pump a.

The direct evaporative cooler b includes filler b, the upper part of the filler b is provided with a direct section water distributor b, the lower part of the filler b is provided with a direct section water tank b, the direct section water tank b is connected to the direct section water distributor b through a water supply pipe, and the water supply The pipe is provided with a direct section circulating water pump b.

The beneficial effects of the utility model are:

1) The two-stage evaporative air conditioner of the utility model can perform indirect and direct two-stage treatment on the air, reduce the temperature of the air supply and improve indoor comfort, and has a wide range of applications.

2) In the two-stage evaporative air conditioner of the present utility model, the indirect evaporative cooler adopts the standpipe indirect evaporative cooler, which not only has the advantage of small footprint, but also alleviates the blockage of the primary air and secondary air channels.

3) In the two-stage evaporative air conditioner of the present utility model, a single fan press-in type is adopted, which can reduce equipment investment and operating costs, and can also reduce energy consumption.

4) In the two-stage evaporative air conditioner of this utility model, the low-temperature secondary exhaust air processed by the indirect evaporative cooler of the standpipe is first transported to the interlayer of the indoor ceiling, and after carrying the heat dissipation of the lamps and the heat storage of the roof, it is discharged outdoors. The energy utilization efficiency is high, and the energy saving effect is remarkable.

Description of drawings

Fig. 1 is a structural schematic diagram of a two-stage evaporative air conditioner of the present invention.

In the figure, 1. Blower fan, 2. Air filter, 3. Air deflector c, 7. Standpipe indirect evaporative cooler a, 8. Direct evaporative cooler a, 9. Standpipe indirect evaporative cooler b, 10 .Direct evaporative cooler b, 15. Air deflector d, 16. Air supply valve, 17. Air supply pipe;

4-1. Air deflector a, 5-1. Direct section water tank a, 6-1. Direct section circulating water pump a, 7-1. Indirect section circulating water pump a, 8-1. Indirect section water tank a, 9- 1. Vertical heat exchange tube group b, 10-1. Indirect section water distributor a, 11-1. Water collector a, 12-1. Exhaust valve a, 13-1. Direct section water distributor a, 14-1. Packing a, 15-1. The first air duct;

4-2. Air deflector b, 5-2. Direct section water tank b, 6-2. Direct section circulating water pump b, 7-2. Indirect section circulating water pump b, 8-2. Indirect section water tank b, 9- 2. Vertical heat exchange tube group b, 10-2. Indirect section water distributor b, 11-2. Water collector b, 12-2. Exhaust valve b, 13-2. Direct section water distributor b, 14-2. Filler b, 15-2. Second exhaust pipe.

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 air conditioner of the utility model is shown in Figure 1. It includes an organic unit casing. An air inlet is arranged in the center of the bottom of the unit casing. A blower 1 and an air filter 2 are arranged in the air inlet in sequence according to the direction of air entry. Air deflectors a4-1 and air deflectors b4-2 are respectively arranged at the intersection of the opposite side walls of the casing and the bottom of the unit casing, and the first riser indirect-direct two sides are symmetrically arranged on the left and right sides of the casing. One-stage evaporative cooling device, the second vertical pipe indirect-direct two-stage evaporative cooling device, the first vertical pipe indirect-direct two-stage evaporative cooling device and the second vertical pipe indirect-direct two-stage evaporative cooling device are provided with an air supply channel , there is an air deflector d15 in the air supply channel, and an air guide is set between the first vertical pipe indirect-direct two-stage evaporative cooling device, the second vertical pipe indirect-direct two-stage evaporative cooling device and the air filter 2 Slice c3, the indirect-direct two-stage evaporative cooling device of the first vertical pipe communicates with the interlayer of the indoor ceiling through the first air exhaust pipe 15-1, and the indirect-direct two-stage evaporative cooling device of the second vertical pipe passes through the second air exhaust pipe 15-1 2 is communicated with the indoor ceiling interlayer, and the top of the air supply channel is communicated with the room through the air supply pipe 17.

Blower 1 is a push-in type blower.

An exhaust valve a12-1 is arranged in the first air exhaust pipe 15-1; an air exhaust valve b12-2 is arranged in the second air exhaust pipe 15-2; and an air supply valve 16 is arranged in the air supply pipe 17.

The first riser indirect-direct two-stage evaporative cooling device, its structure is shown in Figure 1, including the standpipe indirect evaporative cooler a7 and the direct evaporative cooler a8, the direct evaporative cooler a8 is set on the standpipe indirect evaporative cooler Between a7 and the air supply channel; the vertical pipe indirect evaporative cooler a7 includes a vertical heat exchange tube group a9-1, and the upper part of the vertical heat exchange tube group a9-1 is sequentially provided with an indirect segment water distributor a10-1 and The water eliminator a11-1, the lower part of the vertical heat exchange tube group a9-1 are provided with an air duct and an indirect section water tank a8-1 in turn, and the indirect section water tank a8-1 passes through the water pipe, the indirect section circulating water pump a7-1 and the indirect section cloth The water tank a10-1 is connected; the vertical heat exchange tube group a9-1 is composed of a plurality of vertical heat exchange tubes arranged in multiple rows and columns. The direct evaporative cooler a8 includes packing a14-1, the upper part of the packing a14-1 is provided with the direct section water distributor a13-1, the lower part of the packing a14-1 is provided with the direct section water tank a5-1, and the direct section water tank a5-1 passes through The water supply pipe is connected to the direct section water distributor a13-1, and the direct section circulating water pump a6-1 is arranged on the water supply pipe.

The second standpipe indirect-direct two-stage evaporative cooling device, its structure is shown in Figure 1, including the standpipe indirect evaporative cooler b9 and the direct evaporative cooler b10, the direct evaporative cooler b10 is set on the standpipe indirect evaporative cooler Between b9 and the air supply channel; the vertical pipe indirect evaporative cooler b9 includes a vertical heat exchange tube group b9-2, and the upper part of the vertical heat exchange tube group b9-2 is sequentially provided with an indirect segment water distributor b10-2 and The water eliminator b11-2, the lower part of the vertical heat exchange tube group b9-2 are provided with an air duct and an indirect section water tank b8-2 in turn, and the indirect section water tank b8-2 passes through the water pipe, the indirect section circulating water pump b7-2 and the indirect section cloth The water tank b10-2 is connected; the vertical heat exchange tube group b9-2 is composed of multiple vertically arranged heat exchange tubes arranged in multiple rows and columns; the direct evaporative cooler b10 includes packing b14-2, packing b14- 2 The upper part is provided with the direct section water distributor b13-2, the lower part of the packing b14-2 is provided with the direct section water tank b5-2, the direct section water tank b5-2 is connected with the direct section water distributor b13-2 through the water pipe, and the water pipe is provided with Direct section circulating water pump b6-2.

The two-stage evaporative air conditioner of the utility model has a working process of the wind system as follows:

Under the action of the blower 1, the outdoor air is filtered by the air filter 2 and then enters the casing of the unit. Under the action of the air deflector c3, the air flow is divided into two parts, which respectively enter the left and right symmetrically arranged standpipes for indirect evaporative cooling Cooler and direct evaporative cooler for cooling; part of the air enters the first riser indirect-direct evaporative cooling device on the left, and enters the standpipe indirect evaporative cooler a9 under the guidance of the air deflector a4-1, and then The air flow is divided into primary air and secondary air. The primary air flows through the outside of the heat exchange tubes in the vertical heat exchange tube group a9-1, undergoes indirect heat exchange and other wet cooling with the water film in the tubes, and then enters the filler a14-1, and The circulating water film coated on the surface of the filler a14-1 contacts, and direct evaporative cooling occurs, and finally the air is guided by the air deflector d15, and is sent into the room by the air supply pipe 17 through the air supply valve 16; the secondary air flows through The inner side of the heat exchange tube of the standpipe indirect evaporative cooler a7 is in contact with the circulating water film covering the inside of the heat exchange tube, heat and moisture exchange occurs to cool down, and indirect heat exchange occurs with the primary air outside the tube, and then passes through the water eliminator a11 -1 collects the water, which is sent to the indoor ceiling interlayer by the exhaust valve a12-1 through the first exhaust pipe 15-1, and is discharged to the outside after carrying the lamps to dissipate heat and store heat on the roof; the other part of the air enters the second on the right Inside the riser indirect-direct evaporative cooling unit, the process is the same as flowing through the first riser indirect-direct evaporative cooling unit on the left.

The utility model two-stage evaporative air conditioner, its water system work flow is as follows:

(1) Circulating water system in vertical pipe indirect evaporative cooler:

The circulating water in the indirect section water tank a8-1, under the action of the indirect section circulating water pump a7-1, is transported to the indirect section water distributor a10-1 through the circulating water pipe, and the circulating water is sprayed on the standpipe indirect evaporative cooler a7 The inside of the heat exchange tube is covered on the inner wall of the tube, and falls along the tube wall under the action of gravity. It contacts with the secondary air countercurrently to exchange heat and moisture to cool down, and indirect heat exchange with the primary air outside the tube, and finally carries the washed dust and impurities. , fall into the indirect segment water tank a8-1, and repeat the cycle.

(2) Circulating water system in direct evaporative cooler:

The circulating water in the direct section water tank a5-1, under the action of the direct section circulating water pump a6-1, is transported to the direct section water distributor a13-1 through the circulating water pipe, and the circulating water is sprayed on the surface of the filler a14-1, and Uniform coating, and at the same time, heat and moisture exchange occurs in direct contact with the primary air flowing through the filler a14-1, and the air is subjected to isenthalpy humidification and cooling, and finally the circulating water falls into the direct section water tank a5-1 under the action of gravity, and the cycle is repeated .

Claims (10)

1. A standpipe type indirect-direct two-stage evaporative air conditioner, characterized in that it comprises an organic unit casing, an air inlet is arranged in the center of the bottom of the unit casing, and a blower ( 1) and the air filter (2), the intersection of the opposite side walls of the unit housing and the bottom of the unit housing are respectively provided with air guide vanes a (4-1), air guide vanes b (4 -2), the left and right sides of the unit shell are symmetrically provided with a first riser indirect-direct two-stage evaporative cooling device, a second standpipe indirect-direct two-stage evaporative cooling device, and the first riser indirect-direct An air supply channel is provided between the two-stage evaporative cooling device and the second vertical pipe indirect-direct two-stage evaporative cooling device, and an air deflector d (15) is provided in the air supply channel, and the first vertical An air deflector c (3) is arranged between the pipe indirect-direct two-stage evaporative cooling device, the second vertical pipe indirect-direct two-stage evaporative cooling device and the air filter (2), and the first vertical pipe indirect- The direct two-stage evaporative cooling device communicates with the indoor ceiling interlayer through the first exhaust pipe (15-1), and the second vertical pipe indirect-direct two-stage evaporative cooling device communicates with the indoor ceiling through the second exhaust pipe (15-2). The ceiling interlayer communicates, and the top of the air supply channel communicates with the room through the air supply pipe (17). 2. The two-stage evaporative air conditioner according to claim 1, characterized in that, the blower (1) is a press-in blower. 3. The two-stage evaporative air conditioner according to claim 1, characterized in that, an exhaust valve a (12-1) is arranged in the first exhaust pipe (15-1); The second exhaust pipe (15-2) is provided with an exhaust valve b (12-2); An air supply valve (16) is arranged in the air supply pipe (17). 4. The two-stage evaporative air cooler according to claim 1, characterized in that, the first riser indirect-direct two-stage evaporative cooling device includes a standpipe indirect evaporative cooler a (7) and direct evaporative cooling device a (8), the direct evaporative cooler a (8) is set between the standpipe indirect evaporative cooler a (7) and the air supply channel; The second standpipe indirect-direct two-stage evaporative cooling device includes a standpipe indirect evaporative cooler b (9) and a direct evaporative cooler b (10), and the direct evaporative cooler b (10) is arranged on the vertical Between the indirect evaporative cooler b (9) and the air supply channel. 5. The two-stage evaporative air cooler according to claim 4, characterized in that, the vertical pipe indirect evaporative cooler a (7) includes a vertical heat exchange tube group a (9-1), and the vertical The upper part of the vertical heat exchange tube group a (9-1) is sequentially provided with an indirect section water distributor a (10-1) and a water collector a (11-1), and the vertical heat exchange tube group a (9-1 ) is provided with an air duct and an indirect section water tank a (8-1) in sequence, and the indirect section water tank a (8-1) passes through the water pipe, the indirect section circulating water pump a (7-1) and the indirect section water distributor a ( 10-1) Connectivity. 6. The two-stage evaporative air cooler according to claim 5, characterized in that, the vertical heat exchange tube group a (9-1) is composed of a plurality of vertical heat exchange tubes arranged in multiple rows and columns . 7. The two-stage evaporative air cooler according to claim 4, characterized in that, the vertical pipe indirect evaporative cooler b (9) includes a vertical heat exchange tube group b (9-2), and the vertical The upper part of the vertical heat exchange tube group b (9-2) is sequentially provided with an indirect section water distributor b (10-2) and a water collector b (11-2), and the vertical heat exchange tube group b (9-2 ) is provided with an air duct and an indirect section water tank b (8-2) in sequence, and the indirect section water tank b (8-2) passes through the water pipe, the indirect section circulating water pump b (7-2) and the indirect section water distributor b ( 10-2) Connectivity. 8. The two-stage evaporative air cooler according to claim 7, characterized in that, the vertical heat exchange tube group b (9-2) is composed of a plurality of vertical heat exchange tubes arranged in multiple rows and columns . 9. The two-stage evaporative air cooler according to claim 4, characterized in that, the direct evaporative cooler a (8) includes filler a (14-1), and the upper part of the filler a (14-1) A direct section water distributor a (13-1) is provided, and a direct section water tank a (5-1) is provided at the lower part of the filler a (14-1), and the direct section water tank a (5-1) passes through the water supply pipe It is connected with the direct section water distributor a (13-1), and the direct section circulating water pump a (6-1) is arranged on the water supply pipe. 10. The two-stage evaporative air conditioner according to claim 4, characterized in that the direct evaporative cooler b (10) includes filler b (14-2), and the upper part of the filler b (14-2) The direct section water distributor b (13-2) is provided, and the direct section water tank b (5-2) is provided at the lower part of the filler b (14-2), and the direct section water tank b (5-2) passes through the water supply pipe It is connected with the direct section water distributor b (13-2), and the direct section circulating water pump b (6-2) is arranged on the water supply pipe.

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