CN110207518B - Gas-gas heat exchange system - Google Patents
Gas-gas heat exchange system Download PDFInfo
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- CN110207518B CN110207518B CN201910489572.3A CN201910489572A CN110207518B CN 110207518 B CN110207518 B CN 110207518B CN 201910489572 A CN201910489572 A CN 201910489572A CN 110207518 B CN110207518 B CN 110207518B
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- heat exchange
- gas
- exchange channel
- centrifugal fan
- projection line
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/08—Fluid driving means, e.g. pumps, fans
Abstract
The invention discloses a gas-gas heat exchange system which comprises a gas-gas heat exchanger, first centrifugal fan and second centrifugal fan, first centrifugal fan install near the concave surface at the import place of the first heat transfer passageway of gas-gas heat exchanger, first centrifugal fan's arc surface be close to the concave surface at the import place of first heat transfer passageway, follow inhale gas in gas-gas heat transfer system one side space, first centrifugal fan's centrifugal air supply direction with first heat transfer passageway gas flow direction matches, second centrifugal fan installs near the concave surface at the import place of gas-gas heat exchanger second heat transfer passageway, second centrifugal fan's arc surface be close to the concave surface at import place of second heat transfer passageway, follow inhale gas in the gas-gas heat transfer system opposite side space, second centrifugal fan's centrifugal air supply direction with second heat transfer passageway gas flow direction matches. The gas-gas heat exchange system effectively utilizes space, has high compactness, small resistance to gas, large heat exchange air quantity and high heat exchange efficiency.
Description
Technical Field
The invention relates to a gas-gas heat exchange system, in particular to a high-efficiency heat exchange and high-compactness gas-gas heat exchange system comprising a polygonal cylinder gas-gas heat exchanger and two centrifugal fans.
Background
The air-air heat exchange system generally adopts a rectangular cylinder air-air heat exchanger, and the arc surface of the first centrifugal fan and the arc surface of the second centrifugal fan are respectively close to a plane of the rectangular cylinder, so that the occupied space is large. In some gas-gas heat exchange systems, the gas flowing direction generates large-angle change in the rectangular cylinder gas-gas heat exchanger, resistance is increased, and unfavorable conditions such as stagnant zones exist. The current gas-gas heat exchange system faces the challenge of improving the heat exchange quantity and reducing the occupied space of the system. The rectangular cylinder air-to-air heat exchanger and centrifugal fan contact characteristics make the space occupied by such systems large. The heat exchange surface strengthening technology of the rectangular cylinder gas-gas heat exchanger needs to increase the resistance of the rectangular cylinder gas-gas heat exchanger at the cost, and the increase of the resistance reduces the gas flow provided by the fan to the system, so that the surface heat exchange strengthening is difficult to realize the improvement of the heat exchange quantity. The reasonable heat exchanger contact surface is provided with the arc surface of the centrifugal fan, so that the occupied space of the system can be visually reduced, and the heat exchange area of the heat exchanger cannot be lost. Moreover, the heat exchange channel matched with the air supply direction of the centrifugal fan can effectively reduce air resistance, increase air flow and further improve the heat exchange quantity of the system. The gas-gas heat exchange system with the two characteristics has no heat exchange efficiency loss on the basis of reducing the system space, so that the gas-gas heat exchange system has a wider application background and can be popularized to engineering application.
Disclosure of Invention
The invention aims to reduce the occupied space of a gas-gas heat exchange system and improve the heat exchange efficiency, and provides a high-efficiency heat exchange and high-compactness gas-gas heat exchange system comprising a polygonal cylinder gas-gas heat exchanger and two centrifugal fans.
The technical scheme adopted by the invention comprises the following steps:
a gas-gas heat exchange system comprises a gas-gas heat exchanger, a first centrifugal fan and a second centrifugal fan, wherein the gas-gas heat exchanger is a polygonal positive cylinder, the bottom surface is polygonal, a plurality of first heat exchange channels and a plurality of second heat exchange channels of the gas-gas heat exchanger are parallel to the bottom surface and are arranged in a staggered manner, the polygonal bottom surface consists of a first heat exchange channel inlet projection line, a first heat exchange channel outlet projection line, a second heat exchange channel inlet projection line and a second heat exchange channel outlet projection line, the first heat exchange channel inlet projection line is a broken line or a curve recessed into the polygonal bottom surface, the first centrifugal fan is installed near a concave surface where the first heat exchange channel inlet of the gas-gas heat exchanger is located, the arc surface of the first centrifugal fan is close to the concave surface where the first heat exchange channel inlet is located, and the first centrifugal fan sucks gas from a space on one side of the gas-gas heat exchange system, the projection line of the outlet of the first heat exchange channel is a broken line or a curve of a convex polygonal bottom surface, the projection line of the outlet of the first heat exchange channel is the same as the projection line of the inlet of the first heat exchange channel, the projection line of the inlet of the second heat exchange channel is a broken line or a curve of a concave polygonal bottom surface, the second centrifugal fan is installed near the concave surface where the inlet of the second heat exchange channel of the gas-gas heat exchanger is positioned, the arc surface of the second centrifugal fan is close to the concave surface where the inlet of the second heat exchange channel is positioned, the second centrifugal fan sucks gas from the space on the other side of the gas-gas heat exchange system, the projection line of the outlet of the second heat exchange channel is a broken line or a curve of a convex polygonal bottom surface, the projection line of the outlet of the second heat exchange channel is the same as the projection line of the inlet of the second heat exchange channel, and the gas in the first heat exchange channel flows along the projection, the gas in the second heat exchange channel flows along the projection line of the inlet of the first heat exchange channel, the centrifugal air supply direction of the first centrifugal fan is matched with the gas flow direction of the first heat exchange channel, and the centrifugal air supply direction of the second centrifugal fan is matched with the gas flow direction of the second heat exchange channel.
The other technical scheme of the invention is as follows:
a gas-gas heat exchange system comprises a gas-gas heat exchanger, a first centrifugal fan and a second centrifugal fan, wherein the gas-gas heat exchanger is a polygonal positive cylinder, the bottom surface is polygonal, a plurality of first heat exchange channels and a plurality of second heat exchange channels of the gas-gas heat exchanger are parallel to the bottom surface and are arranged in a staggered manner, the polygonal bottom surface consists of a first heat exchange channel inlet projection line, a first heat exchange channel outlet projection line, a second heat exchange channel inlet projection line, a second heat exchange channel outlet projection line and other straight lines or curves, the first heat exchange channel inlet projection line is a broken line or a curve recessed into the polygonal bottom surface, the first centrifugal fan is arranged near a concave surface where the first heat exchange channel inlet of the gas-gas heat exchanger is positioned, the circular arc surface of the first centrifugal fan is attached to the concave surface where the first heat exchange channel inlet is positioned, the first centrifugal fan sucks gas from a space on one side of the gas-gas heat exchange system, a projection line of an outlet of the first heat exchange channel is different from a projection line of an inlet of the first heat exchange channel, the first heat exchange channel can realize the same stroke from each point on the cross section to the outlet of the first heat exchange channel after a certain cross section which is the same as the outlet of the first heat exchange channel is arranged near the inlet of the first heat exchange channel, a projection line of an inlet of the second heat exchange channel is a broken line or a curve which is concave to a polygonal bottom surface, the second centrifugal fan is arranged near a concave surface where the inlet of the second heat exchange channel of the gas-gas heat exchanger is arranged, an arc surface of the second centrifugal fan is close to the concave surface where the inlet of the second heat exchange channel is arranged, the second centrifugal fan sucks gas from a space on the other side of the gas-gas heat exchange system, and the projection line of the outlet of the second heat exchange channel is different from the projection line, the second heat exchange channel has the same stroke from each point on the section to the outlet of the second heat exchange channel after a certain section which is the same as the outlet of the second heat exchange channel is arranged near the inlet of the second heat exchange channel, the centrifugal air supply direction of the first centrifugal fan is matched with the air flow direction of the first heat exchange channel, and the centrifugal air supply direction of the second centrifugal fan is matched with the air flow direction of the second heat exchange channel.
In the two schemes described above, the first and second,
the gas-gas heat exchange system at least needs one first heat exchange channel and one second heat exchange channel, and the heights of the first heat exchange channel and the second heat exchange channel are equal or unequal.
The height of each first heat exchange channel of the gas-gas heat exchange system is equal or different, and the height of each second heat exchange channel is equal or different.
Compared with the prior art, the invention has the advantages that:
the concave surface of the gas-gas heat exchanger in the gas-gas heat exchange system provided by the invention is close to the arc surface of the centrifugal fan, and the heat exchange channel of the gas-gas heat exchanger is a channel with a constant cross section, which is matched with the air supply direction of the centrifugal fan, and the gas flow direction in the heat exchange channel has no large-angle change. The existing air-air heat exchange system is used to use a rectangular cylinder air-air heat exchanger, and one plane of the rectangular cylinder air-air heat exchanger is close to the arc surface of the centrifugal fan, so that the space occupied by the system is increased. The total length of the concave surface of the gas-gas heat exchanger is obviously longer than the length of the inlet of a heat exchange channel for gas-gas heat exchange of a traditional rectangular cylinder, the windward area of the gas is obviously increased, the resistance can be effectively reduced, and the gas flow provided by the centrifugal fan is further improved. Compared with the traditional rectangular cylinder gas-gas heat exchange, the gas-gas heat exchanger can obviously improve the heat exchange area.
The heat exchange channel of the rectangular cylinder air-air heat exchanger is not matched with the air supply direction of the centrifugal fan, so that the resistance to air is increased. The gas in the gas-gas heat exchange of some rectangular cylinders needs to change the flowing direction of the gas by a large angle, so that the resistance is greatly increased, and unfavorable conditions such as stagnant zones exist. The gas-gas heat exchange system provided by the invention can reduce the occupied space of the system, does not lose the heat exchange area of the heat exchanger, reduces the gas resistance, increases the gas flow, and further improves the heat exchange quantity of the system.
Drawings
FIG. 1 is a schematic view of a gas-gas heat exchange system composed of a projection line of a first heat exchange channel inlet, a projection line of a first heat exchange channel outlet, a projection line of a second heat exchange channel inlet and a projection line of a second heat exchange channel outlet on a polygonal bottom surface of a gas-gas heat exchanger.
FIG. 2 is a schematic view of a gas-gas heat exchange system composed of a first heat exchange channel inlet projection line, a first heat exchange channel outlet projection line, a second heat exchange channel inlet projection line, a second heat exchange channel outlet projection line and a straight line on the polygonal bottom surface of the gas-gas heat exchanger.
FIG. 3 is a schematic perspective view of a polygonal cylindrical gas-gas heat exchanger with a polygonal bottom surface of the gas-gas heat exchanger, wherein the polygonal bottom surface of the gas-gas heat exchanger is composed of a first heat exchange channel inlet projection line, a first heat exchange channel outlet projection line, a second heat exchange channel inlet projection line, a second heat exchange channel outlet projection line and a straight line.
Fig. 4(a) is a schematic diagram comparing a gas-gas heat exchange system and a rectangular cylinder gas-gas heat exchange system, wherein the polygonal bottom surface of the gas-gas heat exchanger is composed of a first heat exchange channel inlet projection line, a first heat exchange channel outlet projection line, a second heat exchange channel inlet projection line and a second heat exchange channel outlet projection line.
Fig. 4(b) is a schematic diagram comparing a gas-gas heat exchange system and a rectangular cylinder gas-gas heat exchange system, wherein the polygonal bottom surface of the gas-gas heat exchanger of the present invention is composed of a first heat exchange channel inlet projection line, a first heat exchange channel outlet projection line, a second heat exchange channel inlet projection line, a second heat exchange channel outlet projection line and a straight line.
In the figure, 1, a gas-gas heat exchanger; 2. a first centrifugal fan; 3. a second centrifugal fan; 11. a first heat exchange channel; 12. a second heat exchange channel; 111. an inlet of a first heat exchange channel; 112. an outlet of the first heat exchange channel; 121. an inlet of a second heat exchange channel; 122. and the outlet of the second heat exchange channel.
Detailed Description
The embodiments of the present invention are described below with reference to the accompanying drawings:
an air-to-air heat exchange system comprises an air-to-air heat exchanger 1, a first centrifugal fan 2 and a second centrifugal fan 3.
Examples
1. Referring to fig. 1, the gas-gas heat exchanger 1 is a polygonal cylinder, the bottom surface is polygonal, the first heat exchange channels 11 and the second heat exchange channels 12 of the gas-gas heat exchanger 1 are parallel to the bottom surface and are arranged in a staggered manner, the polygonal bottom surface is composed of a first heat exchange channel inlet 111 projection line, a first heat exchange channel outlet 112 projection line, a second heat exchange channel inlet 121 projection line and a second heat exchange channel outlet 122 projection line, the first heat exchange channel inlet 111 projection line is a broken line or a curve recessed into the polygonal bottom surface, the first centrifugal fan 2 is installed near a concave surface where the first heat exchange channel inlet 111 of the gas-gas heat exchanger 1 is located, an arc surface of the first centrifugal fan 2 is close to the concave surface where the first heat exchange channel inlet 111 is located, the first centrifugal fan 2 sucks gas from a space on one side of the gas-gas heat exchange system, the first heat exchange channel outlet 112 projection line is a broken line or a curve protruding into the polygonal bottom surface, the projection line of the first heat exchange channel outlet 112 is the same as the projection line of the first heat exchange channel inlet 111, the projection line of the second heat exchange channel inlet 121 is a broken line or a curve which is concave to the polygonal bottom surface, the second centrifugal fan 3 is installed near the concave surface where the second heat exchange channel inlet 121 of the gas-gas heat exchanger 1 is located, the arc surface of the second centrifugal fan 3 is close to the concave surface where the second heat exchange channel inlet 121 is located, the second centrifugal fan 3 sucks gas from the space on the other side of the gas-gas heat exchange system, the projection line of the second heat exchange channel outlet 122 is a broken line or a curve which is convex to the polygonal bottom surface, the projection line of the second heat exchange channel outlet 122 is the same as the projection line of the second heat exchange channel inlet 121, the gas in the first heat exchange channel 11 flows along the projection line of the second heat exchange channel inlet 121, and the gas in the second heat exchange channel 12 flows along the projection line of the first heat exchange channel inlet 111, the centrifugal air supply direction of the first centrifugal fan 2 is matched with the air flow direction of the first heat exchange channel 11, and the centrifugal air supply direction of the second centrifugal fan 3 is matched with the air flow direction of the second heat exchange channel 12.
2. Referring to fig. 2, the gas-gas heat exchanger 1 is a polygonal cylinder, the bottom surface is polygonal, the first heat exchange channels 11 and the second heat exchange channels 12 of the gas-gas heat exchanger 1 are parallel to the bottom surface and are arranged in a staggered manner, the polygonal bottom surface is composed of a projection line of a first heat exchange channel inlet 111, a projection line of a first heat exchange channel outlet 112, a projection line of a second heat exchange channel inlet 121, a projection line of a second heat exchange channel outlet 122 and other straight lines or curved lines, the projection line of the first heat exchange channel inlet 111 is a broken line or a curved line recessed into the polygonal bottom surface, the first centrifugal fan 2 is installed near a concave surface where the first heat exchange channel inlet 111 of the gas-gas heat exchanger 1 is located, the arc surface of the first centrifugal fan 2 is close to the concave surface where the first heat exchange channel inlet 111 is located, and the first centrifugal fan 2 sucks gas from a space on one side of the gas-, the projection line of the first heat exchange channel outlet 112 is different from the projection line of the first heat exchange channel inlet 111, the first heat exchange channel 11 can realize the same stroke from each point on the cross section to the first heat exchange channel outlet 112 after a certain cross section which is the same as the outlet of the first heat exchange channel 11 is arranged near the inlet, the projection line of the second heat exchange channel inlet 121 is a broken line or a curve which is concave to a polygonal bottom surface, the second centrifugal fan 3 is arranged near a concave surface where the second heat exchange channel inlet 121 of the gas-gas heat exchanger 1 is arranged, the arc surface of the second centrifugal fan 3 is close to the concave surface where the second heat exchange channel inlet 121 is arranged, the second centrifugal fan 3 sucks gas from the space at the other side of the gas-gas heat exchange system, the projection line of the second heat exchange channel outlet 122 is different from the projection line of the second heat exchange channel inlet 121, and the second heat exchange channel is arranged near the inlet 121 after a certain cross section which is the same as the outlet of, the stroke from each point on the cross section to the outlet 122 of the second heat exchange channel is the same, the centrifugal air supply direction of the first centrifugal fan 2 is matched with the air flow direction of the first heat exchange channel 11, and the centrifugal air supply direction of the second centrifugal fan 3 is matched with the air flow direction of the second heat exchange channel 12.
Further, the polygonal cylinder gas-gas heat exchanger according to the present invention is shown in a schematic perspective view with reference to fig. 3. It can be seen intuitively that the concave surface where the cylindrical surface of the first centrifugal fan 2 is proximate to the inlet 111 of the first heat exchange channel and the concave surface where the cylindrical surface of the second centrifugal fan 3 is proximate to the inlet 121 of the second heat exchange channel can effectively utilize space, therefore, the gas-gas heat exchange system of the present invention has higher compactness compared with the conventional rectangular cylinder gas-gas heat exchange system, and the effect is more remarkable in the comparison schematic diagrams of the polygonal cylinder gas-gas heat exchange system and the rectangular cylinder gas-gas heat exchange system, as shown in fig. 4(a) and 4 (b).
Further, referring to fig. 4(a), the polygonal cylinder gas-gas heat exchanger of the present invention has the first heat exchange channel inlet 111 and the second heat exchange channel inlet 121 which are significantly longer than the heat exchange channel inlets of the conventional rectangular cylinder gas-gas heat exchanger, which means that the first heat exchange channel inlet 111 and the second heat exchange channel inlet 121 of the polygonal cylinder gas-gas heat exchanger of the present invention significantly increase the windward area of the gas, so as to effectively reduce the resistance and further improve the gas flow provided by the first centrifugal fan 2 and the second centrifugal fan 3. Referring to fig. 4(b), the gas-gas heat exchange system of the present invention has a higher compactness than the rectangular cylinder gas-gas heat exchange system, and the polygonal cylinder gas-gas heat exchanger can significantly increase the heat exchange area compared with the conventional rectangular cylinder gas-gas heat exchange system. The air supply direction matching of the first heat exchange channel inlet 111 and the first centrifugal fan 2 in the polygonal cylinder air-air heat exchange system can further reduce air resistance and increase the air flow of the first heat exchange channel 11. The matching of the air supply direction of the second heat exchange channel inlet 121 and the second centrifugal fan 3 can further reduce the air resistance and increase the air flow of the second heat exchange channel 12.
According to the characteristics, the polygonal cylinder gas-gas heat exchange system has higher compactness compared with the traditional rectangular cylinder gas-gas heat exchange system. The heat exchange area of the heat exchanger, the gas flow of the first heat exchange channel 11 and the gas flow of the second heat exchange channel 12 are increased, and further the heat exchange efficiency of the polygonal cylinder gas-gas heat exchange system is superior to that of the traditional rectangular cylinder gas-gas heat exchange system.
The gas-gas heat exchanger 1 in the gas-gas heat exchange system at least needs a first heat exchange channel 11 and a second heat exchange channel 12, and the heights of the first heat exchange channel 11 and the second heat exchange channel 12 are equal or unequal.
In the gas-gas heat exchange system, the heights of the first heat exchange channels 11 of the gas-gas heat exchanger 1 are equal or different, and the heights of the second heat exchange channels 12 are equal or different.
Claims (4)
1. A gas-gas heat exchange system comprises a gas-gas heat exchanger (1), a first centrifugal fan (2) and a second centrifugal fan (3), and is characterized in that the gas-gas heat exchanger (1) is a polygonal positive cylinder, the bottom surface is polygonal, a plurality of first heat exchange channels (11) and a plurality of second heat exchange channels (12) of the gas-gas heat exchanger (1) are parallel to the bottom surface and are arranged in a staggered manner, the polygonal bottom surface is formed by a first heat exchange channel inlet (111) projection line, a first heat exchange channel outlet (112) projection line, a second heat exchange channel inlet (121) projection line and a second heat exchange channel outlet (122) projection line, the first heat exchange channel inlet (111) projection line is a polygonal broken line or a curve recessed into the bottom surface, the first centrifugal fan (2) is installed near a concave surface of the gas-gas heat exchanger (1) where the first heat exchange channel inlet (111) is located, the arc surface of the first centrifugal fan (2) is close to the concave surface of the first heat exchange channel inlet (111) in position, the first centrifugal fan (2) sucks gas from the space on one side of the gas-gas heat exchange system, the projection line of the first heat exchange channel outlet (112) is a broken line or a curve of a convex polygonal bottom surface, the projection line of the first heat exchange channel outlet (112) is the same as that of the first heat exchange channel inlet (111), the projection line of the second heat exchange channel inlet (121) is a broken line or a curve of a concave polygonal bottom surface, the second centrifugal fan (3) is arranged near the concave surface of the gas-gas heat exchanger (1) where the second heat exchange channel inlet (121) is positioned, the arc surface of the second centrifugal fan (3) is close to the concave surface of the second heat exchange channel inlet (121) in position, and the second centrifugal fan (3) sucks gas from the space on the other side of the gas-gas heat exchange system, the projection line of the second heat exchange channel outlet (122) is a broken line or a curve protruding out of the polygonal bottom surface, the projection line of the second heat exchange channel outlet (122) is the same as the projection line of the second heat exchange channel inlet (121), the gas in the first heat exchange channel (11) flows along the projection line of the second heat exchange channel inlet (121), the gas in the second heat exchange channel (12) flows along the projection line of the first heat exchange channel inlet (111), the centrifugal air supply direction of the first centrifugal fan (2) is matched with the gas flow direction of the first heat exchange channel (11), and the centrifugal air supply direction of the second centrifugal fan (3) is matched with the gas flow direction of the second heat exchange channel (12).
2. A gas-gas heat exchange system comprises a gas-gas heat exchanger (1), a first centrifugal fan (2) and a second centrifugal fan (3), and is characterized in that the gas-gas heat exchanger (1) is a polygonal positive cylinder, the bottom surface is polygonal, a plurality of first heat exchange channels (11) and a plurality of second heat exchange channels (12) of the gas-gas heat exchanger (1) are parallel to the bottom surface and are arranged in a staggered manner, the polygonal bottom surface is composed of a first heat exchange channel inlet (111) projection line, a first heat exchange channel outlet (112) projection line, a second heat exchange channel inlet (121) projection line, a second heat exchange channel outlet (122) projection line and other straight lines or curved lines, the first heat exchange channel inlet (111) projection line is a broken line or a curved line recessed into the polygonal bottom surface, the first centrifugal fan (2) is installed near a concave surface where the first heat exchange channel inlet (111) of the gas-gas heat exchanger (1) is located, the arc surface of the first centrifugal fan (2) is close to the concave surface where the first heat exchange channel inlet (111) is located, the first centrifugal fan (2) sucks gas from a space on one side of the gas-gas heat exchange system, the projection line of the first heat exchange channel outlet (112) is different from the projection line of the first heat exchange channel inlet (111), the first heat exchange channel (11) can realize the same stroke from each point on the section to the first heat exchange channel outlet (112) after a certain section which is close to the inlet of the first heat exchange channel and is the same as the outlet of the first heat exchange channel, the projection line of the second heat exchange channel inlet (121) is a broken line or a curve which is concave to the polygonal bottom surface, the second centrifugal fan (3) is installed near the concave surface where the second heat exchange channel inlet (121) is located in the gas-gas heat exchanger (1), and the arc surface of the second centrifugal fan (3) is close to the concave surface where the second heat exchange channel inlet (121) is located, second centrifugal fan (3) follow inhale gas in the air-gas heat transfer system opposite side space, second heat transfer passageway export (122) projection line with second heat transfer passageway import (121) projection line inequality, second heat transfer passageway (12) near its import after certain cross-section the same rather than the export, can realize that every point on the cross-section is the same to the stroke of second heat transfer passageway export (122), the centrifugal air supply direction of first centrifugal fan (2) matches with first heat transfer passageway (11) gas flow direction, the centrifugal air supply direction of second centrifugal fan (3) matches with second heat transfer passageway (12) gas flow direction.
3. A gas-gas heat exchange system according to claim 1 or 2, wherein at least one first heat exchange channel (11) and one second heat exchange channel (12) are required, and the heights of the first heat exchange channel (11) and the second heat exchange channel (12) are equal or unequal.
4. A gas-gas heat exchange system according to claim 1 or 2, wherein each first heat exchange channel (11) is equal or different in height and each second heat exchange channel (12) is equal or different in height.
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| CN201910489572.3A CN110207518B (en) | 2019-06-06 | 2019-06-06 | Gas-gas heat exchange system |
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| CN201910489572.3A CN110207518B (en) | 2019-06-06 | 2019-06-06 | Gas-gas heat exchange system |
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| CN110207518B true CN110207518B (en) | 2020-07-14 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2638005A1 (en) * | 1976-08-24 | 1978-03-09 | Motoren Turbinen Union | Plate type heat exchanger for gases - has regulator polygonal plates with alternating dished corner features |
| US6374910B2 (en) * | 1997-01-27 | 2002-04-23 | Honda Giken Kogyo Kabushiki Kaisha | Heat exchanger |
| CN2773595Y (en) * | 2005-01-11 | 2006-04-19 | 山东大学 | Multilateral plate heat exchanger fins |
| KR100938802B1 (en) * | 2009-06-11 | 2010-01-27 | 국방과학연구소 | Heat exchanger having micro-channels |
| CN202254978U (en) * | 2011-08-25 | 2012-05-30 | 北京奇宏科技研发中心有限公司 | Polygonal reversing air heat exchanger |
| DE102012024549B4 (en) * | 2012-12-17 | 2018-02-01 | Al-Ko Therm Gmbh | Plate unit and gas-gas material exchanger |
| FI3271676T3 (en) * | 2015-03-17 | 2023-01-13 | Exchange element for passenger cabin and passenger cabin equipped with such an exchange element | |
| DK3372937T3 (en) * | 2017-03-10 | 2021-11-22 | Alfa Laval Corp Ab | PLATE PACKAGE FOR HEAT EXCHANGER DEVICES AND A HEAT EXCHANGER DEVICE |
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