CN217520318U

CN217520318U - Multistage indirect evaporation air-air heat exchanger with diaphragm through grooves

Info

Publication number: CN217520318U
Application number: CN202221419657.8U
Authority: CN
Inventors: 富一航; 黄水清
Original assignee: Shenyang Aolan Energy Saving Technology Co ltd
Current assignee: Liaoning Yuanliang Low Carbon Energy Saving Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-30
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a multistage indirect evaporation air-air heat exchanger with diaphragm leads to groove, the air-air heat exchanger body includes to be constituteed by wet passageway of new trend and return air dry channel. The fresh air wet channel and the return air dry channel are formed by combining a plurality of heat exchange plates and partition plates formed among the heat exchange plates. Every heat transfer board all has arranged the diaphragm in the groove along 45 degrees directions, the diaphragm in the groove be unilateral trompil on the heat transfer board, at the heat transfer board back, paste wet membrane paper, the thin and long strip that the reuse was tailor by the heat transfer board is pasted well according to the same distance, forms the wet passageway of new trend. The utility model discloses a unilateral is opened the diaphragm and is led to the groove on the heat transfer board, and the turn-ups phenomenon can not take place for the trompil in-process, can provide more unblocked air current passageway, and this kind of trompil mode windage is little, and processing is convenient, and the practicality is strong, and the multistage indirect evaporation air-air heat exchanger that consequently makes up and form has lower windage, higher heat exchange efficiency.

Description

Multistage indirect evaporation air-air heat exchanger with diaphragm through grooves

Technical Field

The utility model relates to an energy-saving heat exchanger technical field, concretely relates to empty heat exchanger of multistage indirect evaporation with diaphragm leads to groove.

Background

China has broad breadth, different regions have great climate difference, and compared with coastal summer hot and humid climate and northwest summer hot and dry region, the indirect evaporation technology can be fully utilized to cool primary air and provide cold air. Generally, an air-air heat exchanger utilizing indirect evaporation can provide cold air with the temperature about 5 degrees higher than the wet bulb temperature of working air flow, so that a multistage indirect evaporation technology can be utilized, heat and mass exchange is carried out on part of the working air flow and spray water in a wet channel, part of return air flow is cooled, and finally the air supply temperature of the return air can be reduced to about the wet bulb temperature of the working air flow.

However, when the working airflow is changed from the dry channel to the wet channel, the existing multistage indirect evaporation air-air heat exchanger has about half of the heat exchange area which is not utilized, and meanwhile, because the punching process is adopted for airflow steering, baffling resistance is brought to the working airflow, the wind resistance is increased, the air volume of the working airflow is reduced, and the heat exchange by the wind is not facilitated. The traditional mode of perforating on the heat exchange plate is double-sided perforating, and generally is round hole, the round hole is difficult to drill, and flanging is easy to generate in the processing process to block an airflow channel; meanwhile, holes are formed in the two sides of the heat exchange plates, air outlet among different heat exchange plates can be offset, wind resistance is large, the air-air heat exchanger is not beneficial to use, and the heat exchange efficiency of the multistage indirect evaporation heat exchanger is reduced.

SUMMERY OF THE UTILITY MODEL

To the problem of the above-mentioned prior art, the utility model aims to provide a multistage indirect evaporation air-air heat exchanger that has the logical groove of diaphragm with lower air supply temperature, wider range of application can be given factory building, data center or the cooling on other occasions under the low humid environment, and energy-conservation is showing, and the practicality is strong.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides an empty heat exchanger of multistage indirect evaporation with diaphragm leads to groove, including the heat exchanger body, its technical essential is: the heat exchanger body consists of a fresh air wet channel and a return air dry channel; the fresh air wet channel and the return air dry channel are formed by combining a plurality of heat exchange plates and partition plates formed among the heat exchange plates; diaphragm through grooves are arranged on each heat exchange plate along the direction of 45 degrees, holes are formed in one side of each heat exchange plate through the diaphragm through grooves, wet film paper is pasted on the back of each heat exchange plate, and then the wet film paper is pasted well according to the same distance by using slender strips formed by cutting the heat exchange plates, so that a fresh air wet channel is formed.

Preferably, the length of the side of the heat exchange plate in the longitudinal direction is 2:1 for functional partitioning, the upper part is used as a dry channel of return air, and the lower part is used as a fresh air channel.

Preferably, the lower part of the heat exchange plate is provided with a diaphragm through groove along the 45-degree direction, and the diaphragm through groove is provided with a hole on one side of the heat exchange plate.

Preferably, the indirect evaporation air-air heat exchanger with the diaphragm through groove is made of a high polymer material, plastic, copper foil or aluminum foil.

The utility model has the advantages and beneficial effects that: the utility model provides a multistage indirect evaporation air-air heat exchanger with diaphragm leads to groove, unilateral division diaphragm leads to groove on the heat transfer board, and the turn-ups phenomenon can not take place for the trompil in-process, can provide more unblocked air current passageway, and this kind of trompil mode windage is little, and processing is convenient, and the practicality is strong, and the multistage indirect evaporation air-air heat exchanger that consequently makes up and form has lower windage, higher heat exchange efficiency.

Drawings

FIG. 1 is a schematic plan view of a multi-stage indirect evaporative air-to-air heat exchanger with membrane through slots;

FIG. 2 is a schematic top view of a multi-stage indirect evaporative air-to-air heat exchanger with membrane channels;

FIG. 3 is a sectional view taken along line B-B of FIG. 2;

FIG. 4 is a sectional view taken along line C-C of FIG. 2;

FIG. 5 is another configuration of the diaphragm channel;

FIG. 6 is a schematic perspective view of an indirect evaporation air-to-air heat exchanger with diaphragm through grooves;

the reference numbers are as follows: 1. the air return channel part 2, the working air channel part 3, the diaphragm through groove 4, the fresh air inlet 5, the fresh air wet channel 6, the fresh air wet channel air outlet 7, the air return inlet 8 and the air return outlet.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-6, the utility model provides a multistage indirect evaporation air-to-air heat exchanger with diaphragm leads to groove, including the heat exchanger body, wherein: including the heat exchanger body, wherein: the heat exchanger body consists of a return air channel part 1 and a working air channel part 2, wherein a fresh air inlet 4 is arranged on one side of the working air channel part 2, and a fresh air wet channel air outlet 6 is arranged above the working air channel part; the novel air-conditioning system is characterized in that a return air dry channel is arranged in the return air flow channel part, a return air inlet 7 is arranged on one side of the return air dry channel, a return air outlet 8 is arranged on one side of the return air dry channel, and the fresh air wet channel 5 and the return air dry channel are formed by combining a plurality of heat exchange plates and partition plates among the heat exchange plates. All having arranged the diaphragm in the 45 degrees direction on every heat transfer board and leading to groove 3, diaphragm lead to groove 3 be unilateral trompil on the heat transfer board, at the heat transfer board back, paste and have wet membrane paper, the thin and long strip that the reuse was tailor by the heat transfer board is pasted well according to the same distance, forms new trend wet passageway 5. After the working airflow enters from the fresh air channel, the working airflow is finally discharged from the fresh air wet channel air outlet at the top of the working airflow channel part 2 along the fresh air channel which is separated by the slender strips.

In the application, the lower part of the heat exchange plate is provided with a diaphragm through groove along the 45-degree direction, and the diaphragm through groove is formed in a hole on the heat exchange plate on one side.

In the application, the heat exchange plate is pasted with the wet film paper, and then the slender strips cut by the heat exchange plate are pasted well according to the same distance, so that the back of the heat exchange plate is divided into a plurality of equally divided neutral spaces to form a plurality of equally divided fresh air wet channels.

In this application, the material that indirect evaporation air-air heat exchanger that has diaphragm logical groove used is macromolecular material, plastics, copper foil or aluminium foil.

In the application, a long strip which is cut by a plate which is 10mm wide and is made of the same material as the heat exchange plate is arranged on the back surface of the heat exchange plate, the back surface of the heat exchange plate is divided into a plurality of equal and equal-divided neutral spaces to form a plurality of equal and equal-divided fresh air wet channels, and the heat exchange plates adhered with the fresh air wet channels are stacked together to form the whole heat exchanger body.

In the present application, as shown in fig. 2, a certain gap is formed between the heat exchange plates in the indirect evaporation air-air heat exchanger with a diaphragm through groove, the width of the gap left between every two adjacent heat exchange plates is the same, fig. 3 is a plurality of equally divided fresh air wet channels 5 on the back of the heat exchange plates, fig. 4 is a schematic structural diagram of a plane where a return air inlet 7 and a return air outlet 8 are located, that is, the structures of fig. 3 and fig. 4 in fig. 2 are alternately arranged.

In this application, the structure of the diaphragm through groove may also be as shown in fig. 5, two sides of the diaphragm through groove are formed by two radian lines, and the only difference from fig. 1 is that the hole opened at one side of the heat exchange plate is the diaphragm through groove surrounded by two radians.

In the application, the heat exchange plates are provided with holes on one surface and are not provided with holes on the other surface, the holes on both surfaces of the heat exchange plates are provided in the prior art, the air outlets on both surfaces can be offset, and the circular holes are provided in the prior art, but the circular holes are difficult to actually process, and in the processing process, flanges are easy to generate, so that the airflow channel is blocked; the equal trompil in heat transfer board two sides simultaneously can appear the problem that the air-out was offset each other between the heat transfer board of difference, causes the windage to be bigger than normal, and this application only is in heat transfer board one side trompil, reduction windage that can be very much good, improves the work efficiency of heat exchanger.

The utility model discloses the method and the way of realizing this technical scheme are many specifically, above only the preferred embodiment of the utility model. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. The utility model provides an empty heat exchanger of multistage indirect evaporation with diaphragm leads to groove, including the heat exchanger body, its characterized in that: the heat exchanger body consists of a fresh air wet channel and a return air dry channel; the fresh air wet channel and the return air dry channel are formed by combining a plurality of heat exchange plates and partition plates formed among the heat exchange plates; every heat transfer board all has arranged the diaphragm in the groove along 45 degrees directions, the diaphragm in the groove be unilateral trompil on the heat transfer board, at the heat transfer board back, paste wet membrane paper, the thin and long strip that the reuse was tailor by the heat transfer board is pasted well according to the same distance, forms the wet passageway of new trend.

2. The multi-stage indirect evaporative air-to-air heat exchanger with membrane channels as claimed in claim 1, wherein:

the side length of the heat exchange plate in the longitudinal direction is 2:1 for functional partitioning, the upper part is used as an air return dry channel, and the lower part is used as a fresh air channel.

3. The multi-stage indirect evaporative air-to-air heat exchanger with membrane channels as claimed in claim 1 or 2, wherein:

diaphragm through grooves are arranged on the lower portion of the heat exchange plate along the 45-degree direction, and holes are formed in one side of the heat exchange plate.

4. The multi-stage indirect evaporative air-to-air heat exchanger with membrane channels as claimed in claim 1, wherein:

the indirect evaporation air-air heat exchanger with the diaphragm through groove is made of high polymer materials, plastics, copper foils or aluminum foils.