CN112665437A - Total heat exchanger and assembling method thereof - Google Patents
Total heat exchanger and assembling method thereof Download PDFInfo
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- CN112665437A CN112665437A CN202110124409.4A CN202110124409A CN112665437A CN 112665437 A CN112665437 A CN 112665437A CN 202110124409 A CN202110124409 A CN 202110124409A CN 112665437 A CN112665437 A CN 112665437A
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- total heat
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- fixing net
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Abstract
The invention discloses a total heat exchanger and an assembling method thereof, wherein the total heat exchanger comprises an inner fixing net and an outer fixing net, a plurality of flow channel combined total heat exchange units are arranged in the inner fixing net and the outer fixing net in an annular shape at intervals, a plurality of axial flow channels are arranged in the flow channel combined total heat exchange units, and radial flow channels are arranged between adjacent gaps of the flow channel combined total heat exchange units. The invention also discloses an assembling method of the total heat exchanger. The total heat exchanger has the characteristics of high heat exchange efficiency, strong applicability and simple assembly.
Description
Technical Field
The invention relates to the technical field of total heat exchangers, in particular to a total heat exchanger and an assembling method thereof.
Background
The existing total heat exchanger of the fresh air ventilation system has the defects of low heat exchange rate, large wind loss, limited use space and the like due to airflow formed by opposite sides or opposite angles.
Disclosure of Invention
The invention aims to provide a total heat exchanger and an assembling method thereof, which have high heat exchange efficiency. The suitability is strong and the assembly is simple characteristics.
The invention can be realized by the following technical scheme:
the invention discloses a total heat exchanger which comprises an inner fixing net and an outer fixing net, wherein a plurality of flow channel combined total heat exchange units are arranged in the inner fixing net and the outer fixing net in an annular shape at intervals, a plurality of axial flow channels are arranged in the flow channel combined total heat exchange units, and radial flow channels are arranged between adjacent gaps of the flow channel combined total heat exchange units.
In the invention, the inner fixing net and the outer fixing net block objects such as hair, paper scraps and the like, and simultaneously fix the inner surface and the outer surface of the total heat exchanger.
Further, the full heat exchange unit of runner combination includes that inside is equipped with the axial runner body of axial runner, and the axial runner body passes through runner spacer centre gripping shaping.
Furthermore, the section of the axial flow passage body is in a non-equidistant wave shape and is arranged between the two flow passage spacers in a folded paper shape, and the amplitude of the non-equidistant wave shape is gradually increased from the inner fixing net to the outer fixing net. Therefore, the space of the axial flow passage is large outside and small inside, and when the indoor temperature is higher than the outdoor temperature, the space of the axial flow passage corresponds to the hot periphery and the cold center of the exhaust air flow of the total heat exchanger. The heat exchange area formed by reasonably distributing the temperature and humidity difference and the area is more reasonable, and the heat exchange rate is effectively improved.
Furthermore, two flow passage partition sheets of the same flow passage combined total heat exchange unit are vertically arranged between the inner fixing net and the outer fixing net in a holding mode. Through the vertical-holding type arrangement, a space of a radial flow channel is formed between the flow channel separation sheets which are adjacent and spaced, and the radial flow channel body and the axial flow channel body can be conveniently machined and formed. The convenience of processing and assembling is improved.
Furthermore, the surface of the flow channel spacer is provided with a radial flow channel body, and a plurality of radial flow channels are arranged on the radial flow channel body in a paper folding mode. Through directly setting up radial runner body on the surface of runner spacer, both make full use of space, the processing assembly of being convenient for again sets up the combination of a plurality of radial runners and axial runner effectively, and make full use of heat exchange space promotes heat exchange efficiency.
Furthermore, the radial flow passage body, the axial flow passage body and the flow passage spacer are all made of total heat exchange paper. The full heat exchange paper is adopted, so that the heat exchange efficiency is better, and the processing, folding, laminating and adhesive forming are very convenient.
Furthermore, the total heat exchanger also comprises an opening cover plate and a closing cover plate, and the opening cover plate and the closing cover plate are arranged at two ends of the inner fixed net and the outer fixed net. The upper surface and the lower surface of a total heat exchange area formed by the opening cover plate and the closing cover plate are mainly used for effectively fixing the radial flow passage body, the flow passage spacer and the axial flow passage body,
furthermore, the opening cover plate is in a ring shape, an elliptical ring shape, a rectangular ring shape, a triangular ring shape or a trapezoidal ring shape, the total heat exchanger is in a ring body, an elliptical ring body, a distance ring body, a triangular ring body or a trapezoidal ring body, the use requirements of different application scenes are met, and the full heat exchanger has a wide application prospect.
Another aspect of the present invention is to protect the total heat exchanger assembly method, including the steps of: the flow channel separation pieces are arranged on two sides of the axial flow channel body, and then the radial flow channel body is arranged on the flow channel separation pieces to form a plurality of flow channel combinations; the multiple flow passage combinations are stacked and placed according to the groove shape of the opening cover plate, a plurality of flow passage combination total heat exchange unit areas are formed, and then the total heat exchanger is integrally formed by fixedly packaging and molding the inner fixing net, the outer fixing net and the closed cover plate.
The total heat exchanger has the following beneficial effects:
the annular total heat exchanger is formed by convection stacking of a plurality of radial flow channels from the peripheral surface to the center and axial flow channels from the upper end surface to the lower end surface, and the large-area convection air channel effectively solves the problems of large wind loss and low total heat exchange rate of the conventional heat exchanger;
secondly, the applicability is strong, the total heat exchanger adopting the inner fixing net and the outer fixing net to form the structure main body is in a ring shape, and the using space of the structure is more suitable for installation of various machine types, particularly cylindrical and square spaces;
thirdly, the assembly is convenient, and in the assembly process, the flow channel partition plates are arranged on two sides of the axial flow channel body, and then the radial flow channel body is arranged on the flow channel partition plates; a plurality of combination stacks are placed according to the groove shape of the opening cover plate, a plurality of flow passage combination total heat exchange unit areas are formed, and then the whole heat exchanger is formed through the fixed packaging and forming of the inner fixing net, the outer fixing net and the closed cover plate.
Drawings
FIG. 1 is an exploded view of a cylindrical total heat exchanger according to the present invention;
FIG. 2 is a schematic cross-sectional view of a cylindrical total heat exchanger according to the present invention;
FIGS. 3-4 are schematic views of the A-A surface heat exchange structure of the cylindrical total heat exchanger according to the present invention;
FIG. 5 is a schematic view showing the variation of the wave-shaped amplitude in the axial flow channel section of the total heat exchanger according to the present invention;
FIG. 6 is an exploded view of the elliptical ring full heat exchanger of the present invention;
FIG. 7 is an exploded view of the trapezoidal ring full heat exchanger of the present invention;
the reference numbers in the drawings include: 1. an opening cover plate; 2. an inner fixed net; 3. The flow passage is combined with a total heat exchange unit; 4. an outer fixed net; 5. a closed cover plate; 6. a radial runner body; 7. a flow channel spacer; 8. an axial flow passage body.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the following detailed description of the present invention is provided with reference to the accompanying drawings.
Example 1
As shown in FIG. 1, the invention discloses a total heat exchanger, taking a cylindrical total heat exchanger as an example, and the invention discloses a total heat exchanger, which comprises an opening cover plate 1, a closed cover plate 5, an inner fixed net 2 and an outer fixed net 4, wherein an annular space is formed between the inner fixed net 2 and the outer fixed net 4, and the opening cover plate 1 and the closed cover plate 5 are arranged on two end parts of the inner fixed net 2 and the outer fixed net 4. The inner fixing net 2 and the outer fixing net 4 are provided with a plurality of runner combined total heat exchange units 3 at intervals in the annular inner part, a plurality of axial runners are arranged in the runner combined total heat exchange units 3, and radial runners are arranged between adjacent gaps of the runner combined total heat exchange units 3.
As shown in fig. 1, the flow channel combined total heat exchange unit 3 includes an axial flow channel body 8 having an axial flow channel therein, and the axial flow channel body 8 is formed by being held by a flow channel spacer 7. Two flow passage partition sheets 7 of the same flow passage combined total heat exchange unit are vertically arranged between the inner fixing net 2 and the outer fixing net 4. The surface of the runner spacer 7 is provided with a radial runner body 6, and a plurality of radial runners are arranged on the radial runner body 6 in a paper folding manner.
In this embodiment, the radial flow channel body, the axial flow channel body, and the flow channel spacer are all made of total heat exchange paper.
The working principle of the total heat exchanger of the invention is as follows: the indoor exhaust air (hot/cold) passes through the radial flow channel and then flows out from the opening cover plate to the outside from the central area through confluence; meanwhile, outdoor fresh air (cold/hot) flows through the axial flow channel from the opening of the outer ring of the opening cover plate and then flows out of the closed cover plate to the indoor, the radial flow channel and the axial flow channel are separated by the flow channel separation piece, and the flow channel separation piece is used for recovering heat and humidity.
The specific working process is described below with reference to fig. 2 to 4 as follows: in fig. 3, cold outdoor fresh air enters the indoor space through the axial flow channel, and hot indoor exhaust air passes through the radial flow channel and is discharged outwards through the central channel of the inner cavity of the inner fixing net; in fig. 4, hot outdoor fresh air enters the indoor space through the axial flow channel, cold indoor exhaust air is discharged outwards through the center of the inner cavity of the inner fixing net in the radial direction, the heat exchange processes of fig. 3 and fig. 4 are carried out synchronously, air exchange channels independent of each other are formed, the space is effectively utilized, and the heat exchange efficiency is improved.
Example 2
As shown in figure 2, the section of the axial flow passage body is arranged between the two flow passage spacers in a non-equidistant wave-shaped folded paper shape, and the amplitude of the non-equidistant wave-shaped folded paper shape is gradually increased from the inner fixing net to the outer fixing net.
Example 3
In the total heat exchanger, the opening cover plate is in a ring shape, an elliptical ring shape, a rectangular ring shape, a triangular ring shape or a trapezoidal ring shape, and the total heat exchanger is in a ring body, an elliptical ring body, a rectangular ring body, a triangular ring body or a trapezoidal ring body. Fig. 6 shows the structure of the total heat exchanger of the elliptical ring body; the configuration of a trapezoidal ring full heat exchanger is shown in fig. 7.
The annular total heat exchanger is formed by the convection stacking of a plurality of radial flow channels from the peripheral surface to the center and axial flow channels from the upper end surface to the lower end surface, and the large-area convection air channel effectively solves the problems of large wind loss and low total heat exchange rate of the conventional heat exchanger. The total heat exchanger is in a ring shape, and the using space of the structure is more suitable for installation of various machine types, particularly cylindrical and square spaces.
Example 4
Another aspect of the present invention is to protect the total heat exchanger assembly method, including the steps of: the flow channel separation pieces are arranged on two sides of the axial flow channel body, and then the radial flow channel body is arranged on the flow channel separation pieces to form a plurality of flow channel combinations; the multiple flow passage combinations are stacked and placed according to the groove shape of the opening cover plate, a plurality of flow passage combination total heat exchange unit areas are formed, and then the total heat exchanger is integrally formed by fixedly packaging and molding the inner fixing net, the outer fixing net and the closed cover plate.
In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above embodiments are only specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the invention.
Claims (9)
1. A total heat exchanger comprises an inner fixing net and an outer fixing net and is characterized in that a plurality of flow channel combined total heat exchange units are arranged in the inner fixing net and the outer fixing net in an annular shape at intervals, a plurality of axial flow channels are arranged in the flow channel combined total heat exchange units, and radial flow channels are arranged between adjacent gaps of the flow channel combined total heat exchange units.
2. The total heat exchanger according to claim 1, wherein: the runner combination total heat exchange unit comprises an axial runner body with an axial runner inside, and the axial runner body is clamped and formed through a runner spacer.
3. The total heat exchanger according to claim 2, wherein: the section of the axial flow passage body is in a non-equidistant wave shape and is arranged between the two flow passage spacers, and the amplitude of the non-equidistant wave shape is gradually increased along the inner fixing net and the outer fixing net.
4. The total heat exchanger according to claim 3, wherein: two flow passage separation pieces of the same flow passage combined total heat exchange unit are vertically arranged between the inner fixing net and the outer fixing net in a holding mode.
5. The total heat exchanger according to claim 4, wherein: the surface of the runner spacer is provided with a radial runner body, and a plurality of radial runners are arranged on the radial runner body in a paper folding mode.
6. The total heat exchanger according to claim 5, wherein: the radial flow channel body, the axial flow channel body and the flow channel spacer are all made of total heat exchange paper.
7. The total heat exchanger according to claim 6, wherein: the full heat exchanger also comprises an opening cover plate and a closing cover plate, wherein the opening cover plate and the closing cover plate are arranged at two ends of the inner fixing net and the outer fixing net.
8. The total heat exchanger according to claim 7, wherein: the opening cover plate is in a ring shape, an elliptical ring shape, a rectangular ring shape, a triangular ring shape or a trapezoidal ring shape, and the total heat exchanger is in a ring body, an elliptical ring body, a distance ring body, a triangular ring body or a trapezoidal ring body.
9. A method of assembling an enthalpy exchanger according to any one of claims 1 to 8, characterized by comprising the steps of: the flow channel separation pieces are arranged on two sides of the axial flow channel body, and then the radial flow channel body is arranged on the flow channel separation pieces to form a plurality of flow channel combinations; the multiple flow passage combinations are stacked and placed according to the groove shape of the opening cover plate, a plurality of flow passage combination total heat exchange unit areas are formed, and then the total heat exchanger is integrally formed by fixedly packaging and molding the inner fixing net, the outer fixing net and the closed cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124409.4A CN112665437A (en) | 2021-01-29 | 2021-01-29 | Total heat exchanger and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124409.4A CN112665437A (en) | 2021-01-29 | 2021-01-29 | Total heat exchanger and assembling method thereof |
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| Publication Number | Publication Date |
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| CN112665437A true CN112665437A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110124409.4A Pending CN112665437A (en) | 2021-01-29 | 2021-01-29 | Total heat exchanger and assembling method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669883A (en) * | 2021-06-30 | 2021-11-19 | 宁波方太厨具有限公司 | Total heat exchange core |
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| US20040055740A1 (en) * | 2002-09-20 | 2004-03-25 | Meshenky Steven P. | Internally mounted radial flow intercooler for a combustion air charger |
| US20120199335A1 (en) * | 2011-02-04 | 2012-08-09 | Lockheed Martin Corporation | Radial-flow heat exchanger with foam heat exchange fins |
| CN203869199U (en) * | 2014-04-16 | 2014-10-08 | 美的集团武汉制冷设备有限公司 | Outlet housing of air conditioner outdoor unit and air conditioner outdoor unit |
| CN105043143A (en) * | 2015-08-27 | 2015-11-11 | 西安交通大学 | Pipe type air-air heat exchanger in annular channel |
| WO2016095872A1 (en) * | 2014-12-15 | 2016-06-23 | 洛阳瑞昌石油化工设备有限公司 | Arc-shaped plate heat exchanger |
| US20170350655A1 (en) * | 2014-12-18 | 2017-12-07 | Maico Elektroapparate-Fabrik Gmbh | Heat exchanger and air device having said heat exchanger |
| CN211717233U (en) * | 2020-03-18 | 2020-10-20 | 无锡市冠云换热器有限公司 | Enclosed heat exchanger |
| CN211782935U (en) * | 2020-03-06 | 2020-10-27 | 东方电气风电有限公司 | Heat exchange core |
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2021
- 2021-01-29 CN CN202110124409.4A patent/CN112665437A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040055740A1 (en) * | 2002-09-20 | 2004-03-25 | Meshenky Steven P. | Internally mounted radial flow intercooler for a combustion air charger |
| US20120199335A1 (en) * | 2011-02-04 | 2012-08-09 | Lockheed Martin Corporation | Radial-flow heat exchanger with foam heat exchange fins |
| CN203869199U (en) * | 2014-04-16 | 2014-10-08 | 美的集团武汉制冷设备有限公司 | Outlet housing of air conditioner outdoor unit and air conditioner outdoor unit |
| WO2016095872A1 (en) * | 2014-12-15 | 2016-06-23 | 洛阳瑞昌石油化工设备有限公司 | Arc-shaped plate heat exchanger |
| US20170328645A1 (en) * | 2014-12-15 | 2017-11-16 | Luoyang Ruichang Petro-Chemical Equipment Co., Ltd. | Arc-shaped plate heat exchanger |
| US20170350655A1 (en) * | 2014-12-18 | 2017-12-07 | Maico Elektroapparate-Fabrik Gmbh | Heat exchanger and air device having said heat exchanger |
| CN105043143A (en) * | 2015-08-27 | 2015-11-11 | 西安交通大学 | Pipe type air-air heat exchanger in annular channel |
| CN211782935U (en) * | 2020-03-06 | 2020-10-27 | 东方电气风电有限公司 | Heat exchange core |
| CN211717233U (en) * | 2020-03-18 | 2020-10-20 | 无锡市冠云换热器有限公司 | Enclosed heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669883A (en) * | 2021-06-30 | 2021-11-19 | 宁波方太厨具有限公司 | Total heat exchange core |
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Application publication date: 20210416 |
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