CN116793114A - Transverse expansion structure of modularized capillary tube heat exchanger - Google Patents

Transverse expansion structure of modularized capillary tube heat exchanger Download PDF

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Publication number
CN116793114A
CN116793114A CN202310744897.8A CN202310744897A CN116793114A CN 116793114 A CN116793114 A CN 116793114A CN 202310744897 A CN202310744897 A CN 202310744897A CN 116793114 A CN116793114 A CN 116793114A
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CN
China
Prior art keywords
heat exchanger
expansion structure
end plate
regular
end plates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310744897.8A
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Chinese (zh)
Inventor
姜玉雁
王钊远
谭思聪
郭聪
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Qingdao Guoneng Yongtai Intelligent Equipment Co ltd
Beijing Institute of Technology BIT
Original Assignee
Qingdao Guoneng Yongtai Intelligent Equipment Co ltd
Beijing Institute of Technology BIT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Guoneng Yongtai Intelligent Equipment Co ltd, Beijing Institute of Technology BIT filed Critical Qingdao Guoneng Yongtai Intelligent Equipment Co ltd
Priority to CN202310744897.8A priority Critical patent/CN116793114A/en
Publication of CN116793114A publication Critical patent/CN116793114A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/163Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention discloses a transverse expansion structure of a modularized capillary tube heat exchanger, which comprises a sleeve and a plurality of heat exchange units arranged in the sleeve; the heat exchange units are arranged side by side and are detachably connected; the heat exchange unit comprises two regular polygon end plates and a plurality of micro-channel pipes arranged between the two regular polygon end plates; the edges of the regular polygon end plates at the two ends of the heat exchange units are aligned and spliced to form a transverse expansion structure; the two transverse expansion structures and the micro-channel pipes are fixedly arranged in the sleeve. The invention is based on the modularization principle, avoids the complex manual intubation process, simplifies the manufacturing flow, reduces the manufacturing cost and has strong flexibility through modularization combination, and can be suitable for the requirements of different scenes in engineering.

Description

Transverse expansion structure of modularized capillary tube heat exchanger
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a transverse expansion structure of a modularized capillary heat exchanger.
Background
Heat transfer technology is widely used in various fields, and common heat transfer technology requirements are mainly heat exchangers and thermal management devices. Among various heat exchangers, a microchannel heat exchanger has become an important direction of development of the current heat exchanger due to the advantages of high heat exchange coefficient, strong bearing capacity, compactness, light weight and the like. Microchannel heat exchangers are of various types, such as printed circuit board type, capillary tube type, etc., wherein capillary heat exchangers are a commercially valuable form of heat exchanger due to their low manufacturing cost and high capillary pressure resistance.
However, the disadvantage of capillary tube heat exchangers is that the vast number of capillaries need to be cannulated manually, which clearly greatly increases the difficulty and cost of manufacturing the heat exchanger. The cost is mainly concentrated on a large number of repeated artificial intubation works, the technical content is low, and the improvement and optimization are needed in the current times of mechanical and intelligent manufacturing.
Therefore, a transverse expansion structure of the modularized capillary tube heat exchanger is provided.
Disclosure of Invention
The invention aims to provide a transverse expansion structure of a modularized capillary heat exchanger, which aims to solve or improve at least one of the technical problems.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a transverse expansion structure of a modularized capillary tube heat exchanger, which comprises a sleeve and a plurality of heat exchange units arranged in the sleeve; the heat exchange units are arranged side by side and are detachably connected;
the heat exchange unit comprises two regular polygon end plates and a plurality of micro-channel pipes arranged between the two regular polygon end plates; the edges of the regular polygon end plates at the two ends of the heat exchange units are aligned and spliced to form a transverse expansion structure; the two transverse expansion structures and the micro-channel pipes are fixedly arranged in the sleeve.
According to the modularized capillary heat exchanger transverse expansion structure provided by the invention, the regular polygon end plate is a regular hexagon end plate; the edges of the regular hexagonal end plates are aligned and spliced to form the transverse expansion structure; the three opposite sides of the regular hexagon end plate extend outwards to form a first extension plate, and the other three sides are provided with first clamping grooves; the first clamping groove is detachably connected with a first extension plate of the adjacent regular hexagon end plate; the transverse expansion structure is fixedly arranged in the sleeve through the connecting component.
According to the transverse expansion structure of the modularized capillary tube heat exchanger, the connecting assembly comprises a plurality of connecting units, the connecting units are parallelograms, second clamping grooves are formed in two opposite sides of the connecting units, and second extension plates extend outwards from the other two sides; the first extending plates of the regular hexagon end plates positioned on the outer sides are detachably connected with the second clamping grooves, the first clamping grooves of the regular hexagon end plates positioned on the outer sides are detachably connected with the second extending plates, and a plurality of connecting units and a plurality of regular hexagon end plates are spliced to form a regular hexagon integral end plate; the integral end plate is fixedly connected with the sleeve.
According to the modularized capillary heat exchanger transverse expansion structure provided by the invention, the regular hexagon end plates are provided with the through holes, and the two ends of the micro-channel tubes are fixedly connected with the two regular hexagon end plates through the through holes.
According to the transverse expansion structure of the modularized capillary heat exchanger, the side length of the regular hexagonal end plate is 10-500 mm.
According to the modularized capillary heat exchanger transverse expansion structure provided by the invention, the side length of the integral regular hexagon end plate is an integral multiple of the side length of the regular hexagon end plate.
According to the transverse expansion structure of the modularized capillary heat exchanger, the length of the micro-channel tube is 0.1-1.5 m; the pipe diameter of the micro-channel pipe is 0.2 mm-4.0 mm.
According to the transverse expansion structure of the modularized capillary heat exchanger, the polygonal end plate is made of copper, stainless steel, high-temperature alloy steel, nickel alloy and titanium alloy;
the microchannel tube is made of copper, stainless steel and titanium alloy.
According to the transverse expansion structure of the modularized capillary heat exchanger, the heights of the first extension plate and the second extension plate are 1-10 mm;
the first clamping grooves and the second clamping grooves have the same depth, and are matched with the heights of the first extending plate and the second extending plate.
According to the transverse expansion structure of the modularized capillary tube heat exchanger, the spacing between a plurality of micro-channel tubes is 1 mm-8 mm.
The invention discloses the following technical effects:
based on the modularization principle, the heat exchanger is assembled by a plurality of heat exchange units in a modularization way, the edges of the regular polygon end plates are aligned and spliced to form a transverse expansion structure, and then the transverse expansion structure and the sleeve form the modularized heat exchanger; the complex manual intubation process is avoided, and only the heat exchange unit is processed by mechanical means and combined in a modularized manner;
compared with the prior art that a single tube plate is provided with a great number of capillary tube insertion tube manufacturing processes, the invention can realize the transverse modularization composition of the heat exchanger through the transverse expansion of a plurality of heat exchange units, thereby greatly simplifying the manufacturing flow, reducing the manufacturing cost of the capillary tube heat exchanger and reducing or avoiding the problems of dislocation and the like possibly occurring in the manufacturing process;
the heat exchanger has strong flexibility, and the heat exchanger combination forms of different forms are realized by adjusting the number of the heat exchange units, so that the heat exchange capacity of the heat exchanger has strong flexibility, and the heat exchanger can be suitable for the requirements of different scenes in engineering.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram illustrating the assembly of a plurality of heat exchange units according to the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of a regular hexagonal end plate according to the present invention;
FIG. 4 is a schematic diagram of a connection unit according to the present invention;
FIG. 5 is a schematic view of the structure of the integral end plate of the regular hexagon of the present invention;
FIG. 6 is a schematic view of a regular hexagonal end plate for use as the integral end plate of the present invention;
FIG. 7 is a schematic view of a regular hexagonal integral end plate of the present invention employing three regular hexagonal end plates;
FIG. 8 is a schematic view of a regular hexagonal integral end plate of the present invention employing twelve regular hexagonal end plates;
FIG. 9 is a schematic view of a regular hexagonal integral end plate of the present invention employing nineteen regular hexagonal end plates;
FIG. 10 is a schematic view of a regular hexagonal integral end plate according to example 2 of the present invention;
wherein, 1, the sleeve; 2. a microchannel tube; 3. a regular hexagonal end plate; 4. a first extension plate; 5. a first clamping groove; 6. a connection unit; 7. a second clamping groove; 8. a second extension plate; 9. and a through hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-10, the invention provides a transverse expansion structure of a modularized capillary tube heat exchanger, which comprises a sleeve 1 and a plurality of heat exchange units arranged in the sleeve 1; the heat exchange units are arranged side by side and are detachably connected;
the heat exchange unit comprises two regular polygon end plates and a plurality of micro-channel pipes 2 arranged between the two regular polygon end plates; the edges of the regular polygon end plates at the two ends of the heat exchange units are aligned and spliced to form a transverse expansion structure; the two transverse expansion structures and the micro-channel pipes 2 are fixedly arranged in the sleeve 1;
the heat exchange units are arranged in such a way that the edges of the regular polygon end plates are aligned and spliced so as to enhance the connection stability between the heat exchange units;
based on the modularization principle, the heat exchanger is assembled by a plurality of heat exchange units in a modularization way, the edges of the regular polygon end plates are aligned and spliced to form a transverse expansion structure, and then the transverse expansion structure and the sleeve 1 form the modularized heat exchanger; the complex manual intubation process is avoided, and only the heat exchange unit is processed by mechanical means and combined in a modularized manner;
compared with the prior art that a single tube plate is provided with a great number of capillary tube insertion tube manufacturing processes, the invention can realize the transverse modularization composition of the heat exchanger through the transverse expansion of a plurality of heat exchange units, thereby greatly simplifying the manufacturing flow, reducing the manufacturing cost of the capillary tube heat exchanger and reducing or avoiding the problems of dislocation and the like possibly occurring in the manufacturing process;
the heat exchanger has strong flexibility, and the heat exchanger combination forms of different forms are realized by adjusting the number of the heat exchange units, so that the heat exchange capacity of the heat exchanger has strong flexibility, and the heat exchanger can be suitable for the requirements of different scenes in engineering.
Further optimizing the scheme, the regular polygon end plate is a regular hexagon end plate 3; the edges of the regular hexagonal end plates 3 are aligned and spliced to form a transverse expansion structure; the opposite three sides of the regular hexagon end plate 3 extend outwards to form a first extension plate 4, and the other three sides are provided with first clamping grooves 5; the first clamping groove 5 is detachably connected with the first extension plate 4 of the adjacent regular hexagonal end plate 3; the transverse expansion structure is fixedly arranged in the sleeve 1 through the connecting component; the transverse expansion structure is formed by closely paving the regular hexagonal end plates 3.
In a further optimized scheme, the connecting assembly comprises a plurality of connecting units 6, the connecting units 6 are parallelograms, second clamping grooves 7 are formed in two opposite sides of the connecting units 6, and second extension plates 8 extend outwards from the other two sides; the first extension plates 4 and the second clamping grooves 7 of the regular hexagonal end plates 3 positioned at the outer side are detachably connected, the first clamping grooves 5 and the second extension plates 8 of the regular hexagonal end plates 3 positioned at the outer side are detachably connected, and a plurality of connecting units 6 and a plurality of regular hexagonal end plates 3 are assembled to form a regular hexagonal integral end plate; the integral end plate is fixedly connected with the sleeve 1;
the two end faces of the sleeve 1 are provided with mounting grooves matched with the shape of the regular hexagonal integral end plates, the regular hexagonal integral end plates are mounted on the end face of the sleeve 1 through the mounting grooves and are fixedly connected through welding, and therefore integral assembly of the heat exchanger is achieved; the integral end plate which is finally combined into the regular hexagon can be realized through the plurality of connecting units 6, so that the outer sleeve 1 has almost the same form, is convenient to install in the sleeve 1, is more beneficial to realizing industrial large-scale manufacturing, and reduces the production cost; the combination of the connecting unit 6 and the regular hexagonal end plate 3 can enable final welding to form the combined structure illustrated in fig. 7-9;
after combination, the integral end plate of the regular hexagon is formed repeatedly, an installation groove structure matched with the shape of the integral end plate of the regular hexagon can be processed on the outer sleeve 1, the integral end plate of the regular hexagon is installed on the end face of the sleeve 1 through the installation groove and fixedly connected through welding, the integral assembly of the heat exchanger is realized, and then a primary side working medium inlet and outlet and a secondary side heat exchange medium inlet and outlet are designed on the integral structure of the heat exchanger; the design method of the primary side working medium inlet and outlet and the secondary side heat exchange medium inlet and outlet is the prior art, and is not repeated here.
In a further optimization scheme, a plurality of through holes 9 are formed in the regular hexagonal end plates 3, and two ends of the micro-channel pipes 2 are fixedly connected with the two regular hexagonal end plates 3 through the through holes 9; the through holes 9 are distributed at equal intervals, and the through holes 9 of two adjacent rows are distributed in a staggered manner, so that the micro-channel tubes 2 are arranged in the through holes 9 and are geometrically distributed, and the micro-channel tubes 2 are arranged more compactly and regularly; on the other hand, a fork row arrangement of the microchannel tubes 2 is realized, while the heat exchange efficiency is improved from the standpoint of heat transfer.
Further optimizing scheme, the side length of the regular hexagon end plate 3 is 10 mm-500 mm.
Further optimizing scheme, the side length of the regular hexagon integral end plate is an integral multiple of the side length of the regular hexagon end plate 3;
the side length of the connecting unit 6 is the same as that of the regular hexagonal end plate 3; in fig. 6, the regular hexagonal integral end plate is formed by a regular hexagonal end plate 3; the side length of the integral regular-hexagon end plate is one time of the side length of the regular-hexagon end plate 3; in fig. 7, the regular hexagonal integral end plate is formed by three regular hexagonal end plates 3; the side length of the whole regular-hexagon end plate is twice that of the side length of the regular-hexagon end plate 3; in fig. 8, the regular hexagonal integral end plate is composed of twelve regular hexagonal end plates 3; the side length of the whole regular-hexagon end plate is four times of the side length of the regular-hexagon end plate 3; in fig. 9, the integral end plate of the regular hexagon is formed by nineteen end plates 3 of the regular hexagon; the side length of the regular hexagonal integral end plate is five times of the side length of the regular hexagonal end plate 3.
Further optimizing scheme, the length of the micro-channel tube 2 is 0.1 m-1.5 m; in this embodiment, the length of the microchannel tube 2 is preferably 0.1m to 1.0m;
the pipe diameter of the micro-channel pipe 2 is 0.2 mm-4.0 mm; in the embodiment, the pipe diameter of the micro-channel pipe 2 is preferably 0.3 mm-3.0 mm; the micro-channel tube 2 has a smaller tube diameter, so that the heat exchange coefficient in the micro-channel tube 2 is higher, the bearing capacity is stronger, and the volume of the heat exchanger can be reduced.
Further optimizing scheme, the polygonal end plate is made of copper, stainless steel, high-temperature alloy steel, nickel alloy and titanium alloy; the thickness of the polygonal end plate is 5 mm-100 mm;
the microchannel tube 2 is made of copper, stainless steel or titanium alloy.
Further optimizing scheme, the heights of the first extension plate 4 and the second extension plate 8 are 1 mm-10 mm;
the depth of the first clamping groove 5 and the depth of the second clamping groove 7 are the same, and are matched with the heights of the first extension plate 4 and the second extension plate 8; since the fluid in the microchannel tube 2 is often high-pressure fluid, the cut-out depth of the first clamping groove 5 and the second clamping groove 7 is 0.01mm to 0.1mm greater than the height of the first extension plate 4 and the second extension plate 8 so as to ensure enough welding gaps.
Further optimizing the scheme, the intervals among the micro-channel pipes 2 are 1 mm-8 mm; in this embodiment, the spacing between the micro-channel tubes 2 is preferably 1mm to 5mm; the distance from the center of the microchannel tube 2 at the outer edge to the edge of the integral end plate of the regular hexagon is 1mm to 10mm.
Example 2
Referring to fig. 10, the present embodiment is different from embodiment 1 in that one of the regular hexagonal end plates 3 is replaced with three connection units 6 to form a different regular hexagonal integral end plate; the regular hexagonal end plates 3 in the formed regular hexagonal integral end plates are of a non-full-spread structure, gaps are formed among the heat exchange units in the formed heat exchanger by replacing the regular hexagonal end plates 3 at different positions, the heat exchange unit can be suitable for requirements in different scenes in engineering, the total number of the heat exchange units of the designed heat exchanger can be integer multiples of the number of the heat exchange units, and the flexibility of the heat exchanger is further improved.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims (10)

1. A transverse expansion structure of a modularized capillary tube heat exchanger is characterized in that: comprises a sleeve (1) and a plurality of heat exchange units arranged in the sleeve (1); the heat exchange units are arranged side by side and are detachably connected;
the heat exchange unit comprises two regular polygon end plates and a plurality of micro-channel pipes (2) arranged between the two regular polygon end plates; the edges of the regular polygon end plates at the two ends of the heat exchange units are aligned and spliced to form a transverse expansion structure; the two transverse expansion structures and the micro-channel pipes (2) are fixedly arranged in the sleeve (1).
2. The modular capillary heat exchanger lateral expansion structure of claim 1, wherein: the regular polygon end plate is a regular hexagon end plate (3); the edges of the regular hexagonal end plates (3) are aligned and spliced to form the transverse expansion structure; the three opposite sides of the regular hexagon end plate (3) extend outwards to form a first extension plate (4), and the other three sides are provided with first clamping grooves (5); the first clamping groove (5) is detachably connected with the first extension plate (4) of the adjacent regular hexagon end plate (3); the transverse expansion structure is fixedly arranged in the sleeve (1) through a connecting assembly.
3. The modular capillary heat exchanger lateral expansion structure of claim 2, wherein: the connecting assembly comprises a plurality of connecting units (6), the connecting units (6) are parallelograms, second clamping grooves (7) are formed in two opposite sides of the connecting units (6), and second extending plates (8) extend outwards from the other two sides; the first extension plates (4) of the regular hexagonal end plates (3) positioned at the outer side are detachably connected with the second clamping grooves (7), the first clamping grooves (5) of the regular hexagonal end plates (3) positioned at the outer side are detachably connected with the second extension plates (8), and a plurality of connecting units (6) and a plurality of regular hexagonal end plates (3) are assembled to form a regular hexagonal integral end plate; the integral end plate is fixedly connected with the sleeve (1).
4. The modular capillary heat exchanger lateral expansion structure of claim 2, wherein: a plurality of through holes (9) are formed in the regular hexagon end plate (3), and two ends of the micro-channel tube (2) are fixedly connected with the two regular hexagon end plates (3) through the through holes (9).
5. The modular capillary heat exchanger lateral expansion structure of claim 2, wherein: the side length of the regular hexagon end plate (3) is 10 mm-500 mm.
6. A modular capillary heat exchanger lateral expansion structure according to claim 3, characterized in that: the side length of the regular hexagon integral end plate is an integral multiple of the side length of the regular hexagon end plate (3).
7. The modular capillary heat exchanger lateral expansion structure of claim 1, wherein: the length of the micro-channel tube (2) is 0.1 m-1.5 m; the pipe diameter of the micro-channel pipe (2) is 0.2 mm-4.0 mm.
8. The modular capillary heat exchanger lateral expansion structure of claim 1, wherein: the polygonal end plate is made of copper, stainless steel, high-temperature alloy steel, nickel alloy and titanium alloy;
the microchannel tube (2) is made of copper, stainless steel and titanium alloy.
9. A modular capillary heat exchanger lateral expansion structure according to claim 3, characterized in that: the heights of the first extension plate (4) and the second extension plate (8) are 1-10 mm;
the first clamping grooves (5) and the second clamping grooves (7) are the same in depth, and the first clamping grooves are matched with the first extending plates (4) and the second clamping grooves (8) in height.
10. The modular capillary heat exchanger lateral expansion structure of claim 1, wherein: the spacing between the micro-channel pipes (2) is 1 mm-8 mm.
CN202310744897.8A 2023-06-21 2023-06-21 Transverse expansion structure of modularized capillary tube heat exchanger Pending CN116793114A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310744897.8A CN116793114A (en) 2023-06-21 2023-06-21 Transverse expansion structure of modularized capillary tube heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310744897.8A CN116793114A (en) 2023-06-21 2023-06-21 Transverse expansion structure of modularized capillary tube heat exchanger

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CN116793114A true CN116793114A (en) 2023-09-22

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CN202310744897.8A Pending CN116793114A (en) 2023-06-21 2023-06-21 Transverse expansion structure of modularized capillary tube heat exchanger

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011060936A2 (en) * 2009-11-18 2011-05-26 Hans Fischer Heat exchanger
CN106839835A (en) * 2017-03-01 2017-06-13 苏州协宏泰节能科技有限公司 A kind of modular carbon fiber gas-gas heat exchanger and its application method
CN108253819A (en) * 2018-02-13 2018-07-06 天津大学 A kind of coal changes electric heat exchanging body and heat-exchange system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011060936A2 (en) * 2009-11-18 2011-05-26 Hans Fischer Heat exchanger
CN106839835A (en) * 2017-03-01 2017-06-13 苏州协宏泰节能科技有限公司 A kind of modular carbon fiber gas-gas heat exchanger and its application method
CN108253819A (en) * 2018-02-13 2018-07-06 天津大学 A kind of coal changes electric heat exchanging body and heat-exchange system

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