CN217541027U - Multistage near-dew-point indirect evaporation air-air heat exchanger heat exchange plate - Google Patents
Multistage near-dew-point indirect evaporation air-air heat exchanger heat exchange plate Download PDFInfo
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- CN217541027U CN217541027U CN202220890205.1U CN202220890205U CN217541027U CN 217541027 U CN217541027 U CN 217541027U CN 202220890205 U CN202220890205 U CN 202220890205U CN 217541027 U CN217541027 U CN 217541027U
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Abstract
The utility model discloses a multistage nearly dew point indirect evaporation air-air heat exchanger heat transfer board, the heat transfer board includes heat transfer board main part and change angle, the inboard of heat transfer board main part is provided with a plurality of directional airflow channel, the inboard of changing the angle is provided with diversion airflow channel, diversion airflow channel is linked together with directional airflow channel. The cutting lines are arranged on the surface of the heat exchange plate, rapid cutting can be performed according to the cutting lines according to application environment, and the direction of the air flow channel is changed by changing the angle. The multi-stage indirect evaporation air-air heat exchanger formed by the heat exchange plates is more widely used. Convenient replacement, simple structure and no need of increasing the cost of original production materials. Compared with an indirect evaporation heat exchanger, the multistage indirect evaporation air-air heat exchange plate with the structure has the advantages of higher wet bulb efficiency, lower air supply temperature, wider application and more remarkable energy-saving effect. The dew point indirect evaporation air-air heat exchanger is formed by utilizing the principle of multistage indirect evaporation, so that the energy is saved remarkably, and the practicability is high.
Description
Technical Field
The utility model relates to a heat exchanger technical field specifically is a multistage nearly dew point indirect evaporation air-air heat exchanger heat transfer board.
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 indoor air and provide cold air.
Generally, an air-air heat exchanger using indirect evaporation technology can only provide cold air with temperature about 5 degrees higher than the wet bulb temperature of working air flow, so that the multistage indirect evaporation technology can be used, partial working air flow and spray water are used for heat-mass exchange in a wet channel, partial working air flow is cooled, and finally the air supply temperature can be reduced to about the wet bulb temperature.
However, in the conventional multistage indirect evaporation air-air heat exchanger, when working air flows are converted from a dry channel to a wet channel, about half of the heat exchange area is not utilized, and meanwhile, because a punching process is adopted for air flow steering, baffling resistance is brought to the working air flows, and the heat exchange is not facilitated for air-air heat exchange. Therefore, the multistage indirect evaporation air-air heat exchanger capable of improving the evaporation efficiency and reducing the working airflow resistance is provided aiming at the defects of the original public technology, so that a novel indirect evaporation heat exchanger close to the dew point temperature can be produced more conveniently, the indoor air is cooled to the air supply temperature and then is reduced to the dew point temperature, the application range of indirect evaporation cooling is further expanded, and the application prospect is larger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multistage nearly dew point indirect evaporation air-air heat exchanger heat transfer board to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a multistage nearly dew point indirect evaporation air-air heat exchanger heat transfer board, the heat transfer board includes heat transfer board main part and change angle, the inboard of heat transfer board main part is provided with a plurality of directional air current passageways, the inboard of change angle is provided with diversion air current passageway, diversion air current passageway is linked together with directional air current passageway.
Preferably, the redirecting air flow channel is in transverse communication with the directional air flow channel.
Preferably, the direction-changing airflow channel is communicated with the directional airflow channel to form an L shape.
Preferably, the side surface of the heat exchange plate is provided with a cutting line.
Preferably, the transposition angle is an isosceles triangle.
Preferably, the connection part of the heat exchange plate main body and the exchange angle is provided with a connecting piece.
Preferably, the outer wall of the change angle is provided with a cavity communicated with the diversion airflow channel.
Preferably, hydrophilic layers are arranged on two sides of the outer portion of the heat exchange plate.
Compared with the prior art, the beneficial effects of the utility model are that: according to the heat exchange plate of the multistage near-dew-point indirect evaporation air-to-air heat exchanger, cutting lines are arranged on the surface of each heat exchange plate of the heat exchange plate, rapid cutting can be carried out according to the cutting lines, and the direction of an airflow channel can be changed by changing the angle. Compared with an indirect evaporation heat exchanger, the multistage indirect evaporation air-air heat exchange plate with the structure has the advantages of higher wet bulb efficiency, lower air supply temperature, wider application and more remarkable energy-saving effect. Convenient replacement, simple structure and no need of increasing the cost of original production materials. The application environment range of the multi-stage indirect evaporation air-air heat exchanger is expanded by changing the heat exchange plates, and the energy saving is more remarkable. The dew point indirect evaporation air-air heat exchanger is formed by utilizing the principle of multistage indirect evaporation, has small air supply resistance and high heat exchange efficiency, can be used for cooling plants, data centers or other occasions in a low-humidity environment, has remarkable energy saving effect and strong practicability.
Drawings
Fig. 1 is a schematic three-dimensional structure view of a heat exchange plate according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a side of a heat exchange plate according to a preferred embodiment of the present invention;
FIG. 3 is a schematic side sectional view of another alternative form of a heat exchanger plate according to a preferred embodiment of the present invention;
fig. 4 is a schematic side sectional view of another form of a heat exchange plate according to a preferred embodiment of the present invention.
In the figure: 1. the heat exchange plate comprises a heat exchange plate main body, 2, a directional airflow channel, 3, a cutting line, 4, a change angle, 5, a direction-changing airflow channel, 6, holes, 7 and a clamping angle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides a multistage nearly dew point indirect evaporation air-air heat exchanger heat transfer board, heat transfer board include heat transfer board main part 1 and change angle 4, and the inboard of heat transfer board main part 1 is provided with a plurality of directional air current passageways 2, and the inboard of changing angle 4 is provided with diversion air current passageway 5, and diversion air current passageway 5 is linked together with directional air current passageway 2.
The diversion airflow channel 5 is transversely communicated with the directional airflow channel 2.
The direction-changing airflow channel 5 is communicated with the directional airflow channel 2 to form an L shape.
The connecting part is arranged at the joint of the heat exchange plate main body 1 and the exchange angle 4, and the connecting part can be clamped and connected in a clamp or hook mode. The two ends of one side of the heat exchange plate main body 1 adjacent to the exchange angle 4 are respectively provided with a clamping angle 7 for clamping the exchange angle 4.
The outer wall of the transposed angle 4 is provided with a hollow 6 communicated with the diversion airflow channel 5.
The air-air heat exchanger comprises a directional air flow channel 2 for circulating indoor return air, a directional air flow channel 2 and a direction-changing air flow channel 5 for circulating working air, and holes 6 arranged along the bottom of the air-air heat exchanger. Both sides of the longitudinal channel side where the working air flows need to be covered with laminating paper or spraying hydrophilic coatings, and all the holes 6 are arranged along the bottom of the air-air heat exchanger. The working air flows forwards from the directional air flow channel 2, then the flow direction changes downwards, and enters the diversion air flow channel 5 through the hole 6. The diversion airflow channel 5 is a wet channel and intermittently sprays tap water from the top of the air-air heat exchanger.
Further, be wet passageway at the longitudinal passage of working gas flow circulation, need all need cover in the both sides of heat transfer board and have hydrophilic layer, hydrophilic layer is including drenching membrane paper or adding spraying hydrophilic coating, can follow the top of empty heat exchanger and spray the running water, and the running water flows into diversion airflow channel 5 for utilize the evaporation of water to absorb indoor air heat, realize waiting wet cooling.
Further, the heat exchange plate is manufactured by adopting the following method: draw cutting line 3 of a 45 degrees earlier at heat transfer panel one end or bottom of taking airflow channel, change angle 4 and be isosceles triangle, cut off heat transfer panel along cutting line 3, divide into heat transfer board main part 1 and change angle 4 with the heat transfer board, change 4 turning directions backs of angle, be connected the back along the cutting line direction with heat transfer board main part 1, in fact 90 degrees have been turned over the air current direction, at the bottom trompil of changing angle 4, in addition the deep bead makes the heat transfer board that becomes multistage nearly dew point indirect evaporation promptly.
Furthermore, one side of the heat exchange plate is equally divided into 10-20 airflow channels, the width of the airflow channels is not more than 10mm, the thickness of the airflow channels is the same as that of the heat exchange plate, and the airflow channels and the heat exchange plate are made of materials which are the same as that of the heat exchange plate to form reinforcing ribs and are tightly adhered to the heat exchange plate by glue and the like.
Furthermore, the heat exchange plates added with the reinforcing ribs are stacked one by one, and a circle of frame is manufactured around the heat exchange plates, so that the multi-stage near-dew-point indirect evaporation air-air heat exchanger is formed.
Furthermore, the material used by the multistage near-dew point indirect evaporation air-air heat exchanger can be plastic, PP or a high polymer material and the like.
Further, the room air is discharged from the other end after entering from the air inlet of directional airflow channel 2, and the working air flow enters from the air inlet of directional airflow channel 2 and is discharged from the top of turning airflow channel 5, and usually the top of the air-air heat exchanger can also be provided with tap water spray rows, and the air-air heat exchanger can work under two working conditions: namely dry and wet conditions. When the dry-bulb temperature of the working airflow is lower than the air supply dry-bulb temperature required by the indoor air, the dry-bulb temperature is a dry working condition, the spraying is not required to be started, when the dry-bulb temperature of the working airflow is higher than the air supply dry-bulb temperature reduction required by the indoor air, the wet working condition is a wet working condition, the spraying is required to be started, and the wet working condition is used for cooling the indoor air.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a multistage nearly dew point indirect evaporation air-air heat exchanger heat transfer board which characterized in that: the heat exchange plate comprises a heat exchange plate main body (1) and a change angle (4), wherein a plurality of directional airflow channels (2) are arranged on the inner side of the heat exchange plate main body (1), a turning airflow channel (5) is arranged on the inner side of the change angle (4), and the turning airflow channel (5) is communicated with the directional airflow channels (2).
2. The heat exchange plate of the multi-stage near-dew point indirect evaporation air-air heat exchanger of claim 1, wherein: the direction-changing airflow channel (5) is transversely communicated with the directional airflow channel (2).
3. The heat exchange plate of the multi-stage near-dew-point indirect evaporation air-to-air heat exchanger of claim 1, wherein: the direction-changing airflow channel (5) is communicated with the directional airflow channel (2) to form an L shape.
4. The heat exchange plate of the multi-stage near-dew point indirect evaporation air-air heat exchanger of claim 1, wherein: and cutting lines (3) are arranged on the side surfaces of the heat exchange plates.
5. The heat exchange plate of the multi-stage near-dew point indirect evaporation air-air heat exchanger of claim 1, wherein: the exchange angle (4) is an isosceles triangle.
6. The heat exchange plate of the multi-stage near-dew point indirect evaporation air-air heat exchanger of claim 1, wherein: and a connecting piece is arranged at the joint of the heat exchange plate main body (1) and the exchange angle (4).
7. The heat exchange plate of the multi-stage near-dew-point indirect evaporation air-to-air heat exchanger of claim 1, wherein: the outer wall of the exchange angle (4) is provided with a cavity (6) communicated with the diversion airflow channel (5).
8. The heat exchange plate of the multi-stage near-dew point indirect evaporation air-air heat exchanger of claim 1, wherein: hydrophilic layers are arranged on two sides of the outer portion of the heat exchange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220890205.1U CN217541027U (en) | 2022-04-18 | 2022-04-18 | Multistage near-dew-point indirect evaporation air-air heat exchanger heat exchange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220890205.1U CN217541027U (en) | 2022-04-18 | 2022-04-18 | Multistage near-dew-point indirect evaporation air-air heat exchanger heat exchange plate |
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| Publication Number | Publication Date |
|---|---|
| CN217541027U true CN217541027U (en) | 2022-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220890205.1U Active CN217541027U (en) | 2022-04-18 | 2022-04-18 | Multistage near-dew-point indirect evaporation air-air heat exchanger heat exchange plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217541027U (en) |
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2022
- 2022-04-18 CN CN202220890205.1U patent/CN217541027U/en active Active
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Address after: 110000 Room 102, No. 107 (gate 3), Dongbei Road, Dadong District, Shenyang, Liaoning Patentee after: Liaoning Yuanliang Low Carbon Energy Saving Technology Co.,Ltd. Address before: 116000 Room 102, No. 107 (3 gate), Dongbei Road, Dadong District, Shenyang City, Liaoning Province Patentee before: Shenyang Aolan Energy Saving Technology Co.,Ltd. |