CN115183602A - Spiral winding structure and external application type heat exchange device - Google Patents

Spiral winding structure and external application type heat exchange device Download PDF

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Publication number
CN115183602A
CN115183602A CN202210838303.5A CN202210838303A CN115183602A CN 115183602 A CN115183602 A CN 115183602A CN 202210838303 A CN202210838303 A CN 202210838303A CN 115183602 A CN115183602 A CN 115183602A
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CN
China
Prior art keywords
heat exchange
layer
heat
exchange device
tube
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Pending
Application number
CN202210838303.5A
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Chinese (zh)
Inventor
王文龙
李景琦
张咪
魏京胜
孙猛
刘元亮
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Priority to CN202210838303.5A priority Critical patent/CN115183602A/en
Publication of CN115183602A publication Critical patent/CN115183602A/en
Pending legal-status Critical Current

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    • 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
    • F28D7/02Heat-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 helically coiled
    • F28D7/026Heat-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 helically coiled the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • F25B1/005Compression machines, plants or systems with non-reversible cycle of the single unit type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/02Tubular elements of cross-section which is non-circular
    • F28F1/022Tubular elements of cross-section which is non-circular with multiple channels
    • 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
    • F28F9/005Other auxiliary members within casings, e.g. internal filling means or sealing means
    • 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 spiral winding structure and an external application type heat exchange device, which relate to the technical field of heat exchange devices and comprise a strip-shaped heat exchange layer, wherein the heat exchange layer comprises a support material layer and a plurality of flexible heat exchange tubes embedded into the support material layer in parallel, two long edges in the support material layer are respectively provided with a first connecting piece, the support material layer is spirally wound on a heat medium tube, the flexible heat exchange tubes are attached to the heat medium tube, and the first connecting pieces at the spiral seams are connected; the heat exchange layer is easy to lay on the outer surface of the heat medium pipeline by adopting the strip-shaped heat exchange layer, and the heat exchange layer is connected through the first connecting piece at the strip-shaped edge in the laying process, so that the construction is simpler; and after the flexible heat exchange tube is spirally wound, the heat exchange area of the flexible heat exchange tube and a heat medium pipeline can be increased compared with a linear pipeline, and the heat exchange efficiency is improved.

Description

Spiral winding structure and external application type heat exchange device
Technical Field
The invention relates to the technical field of heat exchange devices, in particular to a spiral winding structure and an external application type heat exchange device.
Background
The artificial refrigeration freezing sinking refrigeration station operates in a year-round refrigeration mode, the refrigeration system continuously provides refrigeration capacity, and meanwhile refrigeration condensation heat is dissipated to the ground so as to ensure normal refrigeration circulation. In the process, the refrigeration condensation heat is generally directly dissipated to the atmosphere through cooling water or the outer surface of a pipeline, the surface temperature of the exhaust pipe of the compressor is as high as 90-110 ℃, and the exhaust pipe of the compressor is longer, so that the refrigeration condensation heat is higher in grade and large in heat dissipation amount, and the refrigeration condensation heat is an excellent waste heat resource. If the waste heat resource can be fully applied to heat supply of a living area, the utilization of other heating resources can be obviously reduced.
The traditional heat exchange pipe is usually laid on a heat source pipeline, and an insulating layer is covered on the outer surface of the traditional heat exchange pipe for heat preservation, but the pipeline is usually a straight pipeline, so that the heat exchange time is short, and the heat exchange efficiency is low. In other cases, a spiral pipeline is used for heat exchange, so that the heat exchange efficiency can be obviously improved. The invention patent with the application number of '201410342496.0' and the name of 'coaxial winding type heat exchanger' comprises a spiral fluted tube, a plurality of capillary tubes and a heat insulation layer, wherein each capillary tube is wound in a groove between external threads of the spiral fluted tube, the outer layers of the spiral fluted tube and the capillary tubes cover the heat insulation layer, a flowing medium in the spiral fluted tube is secondary refrigerant, a flowing medium in the capillary tubes is refrigerant, and the secondary refrigerant and the refrigerant flow in a counter-flow manner. But it is difficult to add the capillary tube in the exhaust pipe of the compressor in practice. If the capillary tube is only spirally wound on the heat source tube, the fixation of the capillary tube is also a great difficulty in construction.
Therefore, the research and development of a new spiral winding mode and a heat exchange device thereof have important significance for fully utilizing the waste heat of the exhaust pipeline of the compressor.
Disclosure of Invention
The invention aims to provide a spiral winding structure and an external application type heat exchange device, which are used for solving the problems in the prior art, and the connecting piece is arranged at the edge of the strip-shaped body, so that the strip-shaped body can be timely connected and fixed through the connecting piece during spiral winding construction, and the laying process is simpler.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a spiral winding structure which comprises a strip-shaped body, wherein connecting pieces are arranged on two long edges of the strip-shaped body, the strip-shaped body is spirally wound on a component to be wound, and the connecting pieces at the spiral joint are connected.
Preferably, the connecting piece includes the magic subsides, the magic subsides with the long limit of banded body is equal along length.
The invention also provides an external application type heat exchange device which comprises a strip-shaped heat exchange layer, wherein the heat exchange layer comprises a support material layer and a plurality of flexible heat exchange tubes embedded into the support material layer in parallel, first connecting pieces are arranged on two long edges in the support material layer, the support material layer is spirally wound on a heat medium tube, the flexible heat exchange tubes are attached to the heat medium tube, and the first connecting pieces at the spiral seams are connected.
Preferably, the cross section of the heat exchange tube is semicircular, and the straight edge of the semicircle is attached to the heat medium tube.
Preferably, the support material layer comprises a latex layer.
Preferably, the heat exchange device further comprises a strip-shaped heat insulation layer, second connecting pieces are arranged on two long edges of the heat insulation layer, the heat insulation layer is wound outside the heat exchange layer through bolts, and the second connecting pieces at the spiral joints are connected.
Preferably, the heat exchange device further comprises a belt-shaped protective layer, third connecting pieces are arranged on two long edges of the protective layer, the protective layer is wound on the outer portion of the heat preservation layer through bolts, and the third connecting pieces at the spiral joint are connected.
Preferably, the first connecting piece, the second connecting piece and the third connecting piece are all magic tapes, and the lengths of the magic tapes and the long edges of the strip-shaped structures are equal.
Preferably, two ends of the heat exchange tubes are connected with annular water distribution tubes, and the two annular water distribution tubes are surrounded outside the heat medium tube and are respectively connected with a heat supply water supply tube and a heat supply water return tube.
Preferably, the heat exchange pipe is connected with the annular distributive pipe through a quick connection joint; preferably, the heat exchange device is arranged in the refrigerating unit and laid on the heat medium pipe between the compressor and the evaporative condenser.
Compared with the prior art, the invention achieves the following technical effects:
1. the heat exchange layer is easy to lay on the outer surface of the heat medium pipeline by adopting the strip-shaped heat exchange layer, and the heat exchange layer is connected through the first connecting piece at the strip-shaped edge in the laying process, so that the construction is simpler; after the flexible heat exchange tube is spirally wound, compared with a linear pipeline, the heat exchange area between the flexible heat exchange tube and a heat medium pipeline can be increased, and the heat exchange efficiency is improved;
2. according to the invention, the heat exchange layer is connected by the magic tape with a simpler structure, so that the heat exchange layer is more convenient to attach when in use, the width of a spiral seam can be reduced, the heat of the heat medium pipe is prevented from dissipating from the seam, and the utilization rate of the heat is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used 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 it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a heat exchanger according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a plan expanded view of the heat exchange layer;
FIG. 4 is a schematic diagram of a heat exchange apparatus having an annular knock out pipe;
FIG. 5 is a schematic view of a connection structure of an annular water diversion pipe and a heat exchange pipe;
FIG. 6 is a schematic view of a heat exchange unit in use in a refrigeration unit;
wherein, 1, heat exchange layer; 2. a layer of support material; 3. a heat exchange pipe; 4. a heat-insulating layer; 5. a protective layer; 6. magic tape; 7. an annular water diversion pipe; 8. a branch pipe; 9. a compressor; 10. an evaporative condenser; 11. a heat medium pipe; 12. a quick coupling; 13. and a heat exchange device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention aims to provide a spiral winding structure and an external application type heat exchange device, which are used for solving the problems in the prior art, and the connecting piece is arranged at the edge of the strip-shaped body, so that the strip-shaped body can be timely connected and fixed through the connecting piece during spiral winding construction, and the laying process is simpler.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
the embodiment provides a spiral winding structure, including banded body, all be provided with the connecting piece on two long borders of banded body. When the winding device is used, the strip-shaped body is spirally wound on a member to be wound, the connecting piece at the spiral joint is connected, and the winding part of the strip-shaped body can be timely connected and fixed, so that the fixing difficulty of the strip-shaped body in the winding process is greatly reduced, and the winding efficiency is improved.
The connecting piece can select magic subsides 6, the go-between, multiple modes such as buckle, preferably the magic subsides 6 that the structure is simpler, as shown in figure 3, magic subsides 6 and the long limit of banded body are equal along length, and the one side setting of magic subsides 6 is at the surface of banded body, the another side setting of magic subsides 6 is at the border of banded body, and the width direction along banded body outwards extends, when the winding, 6 magic subsides 6 and the magic subsides 6 mutual bonding of border down on the banding body, it is more convenient to use, and use magic subsides 6 and can let spiral seam littleer, the laminating of helical part is inseparabler.
Example 2:
as shown in fig. 1 to 6, this embodiment provides an external application type heat exchange device, which includes a strip-shaped heat exchange layer 1, the heat exchange layer 1 includes a support material layer 2 and a plurality of flexible heat exchange tubes 3 embedded in the support material layer 2 in parallel, first connecting pieces are respectively disposed on two long edges in the support material layer 2, the support material layer 2 is spirally wound on a heat medium tube 11, the flexible heat exchange tubes 3 are attached to the heat medium tube 11, and the first connecting pieces at the spiral seams are connected, so that the heat exchange layer 1 can be laid.
Therefore, the belt-shaped heat exchange layer 1 is adopted in the embodiment, the heat exchange layer is easier to lay on the outer surface of the heat medium pipe 11, and the heat medium pipe is connected through the first connecting piece in the laying process, so that the construction is simpler; and after the flexible heat exchange tube 3 is spirally wound, the heat exchange area of the heat medium tube 11 can be increased compared with a straight line pipeline, and the heat exchange efficiency is improved.
Further, the cross-section of heat exchange tube 3 is semi-circular in this embodiment, and semi-circular straight flange is laminated with heat medium pipe 11 mutually, can further improve the heat transfer area in 3 ways of heat exchange tube and 11 ways of heat medium pipe, improves heat medium waste heat utilization.
Further, in the embodiment, the support material layer 2 includes a latex layer, a plurality of semicircular grooves are formed on the surface of the latex layer, and heat exchange tubes 3 with semicircular cross-sectional shapes are arranged in the semicircular grooves; of course, the heat exchange tube 3 and the latex layer can be formed integrally.
In order to ensure the heat exchange efficiency and avoid heat loss, the heat exchange device 13 in this embodiment further includes a strip-shaped heat insulation layer 4, and the heat insulation layer 4 may be made of heat insulation cotton; and second connecting pieces are arranged on two long edges in the heat-insulating layer 4, the heat-insulating layer 4 is wound outside the heat-exchanging layer 1 by bolts, and the second connecting pieces at the spiral joint are connected.
Further, the heat exchange device 13 further comprises a belt-shaped protective layer 5, and the protective layer 5 is made of a waterproof and anti-aging protective material; the two long edges of the protective layer 5 are provided with third connecting pieces, the protective layer 5 is wound outside the heat-insulating layer 4 through bolts, and the third connecting pieces at the spiral seams are connected; and the first connecting piece, the second connecting piece and the third connecting piece are all magic tapes 6, the development of the heat exchange layer 1 is shown in fig. 3, and the arrangement forms of the protective layer 5 and the heat insulation layer 4 are the same as those of the magic tapes 6 in the heat exchange layer 1.
In order to facilitate the introduction of a heat exchange medium into the heat exchange tube 3, an annular water diversion tube 7 is further arranged in the embodiment, a plurality of branch tubes 8 are arranged on the annular water diversion tube 7 along an annular track, valves are arranged on the branch tubes 8, the number of the branch tubes 8 corresponds to that of the heat exchange tubes 3, and the branch tubes 8 are connected with the heat exchange tubes 3 through quick connectors 12; the two annular water dividing pipes 7 are respectively arranged around the outside of the heat medium pipe 11 and are respectively connected with a heat supply water supply pipe and a heat supply water return pipe, and the flow direction of cold water in the heat exchange pipe 3 is preferably opposite to the flow direction of the heat medium in the heat medium pipe 11.
Further, the heat exchange tube 3 is connected with an annular water diversion tube 7 through a quick connection joint; the heat exchanger 13 is arranged in the refrigerating unit and laid on the heat medium pipe 11 between the compressor 9 and the evaporative condenser 10.
The adaptation according to the actual needs is within the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The spiral winding structure is characterized by comprising a strip-shaped body, wherein connecting pieces are arranged on two long edges of the strip-shaped body, the strip-shaped body is spirally wound on a member to be wound, and the connecting pieces at the spiral joint are connected.
2. The spiral wound structure of claim 1, wherein the connector comprises a hook and loop fastener equal in length to a long side of the band-shaped body.
3. The externally-applied heat exchange device is characterized by comprising a strip-shaped heat exchange layer, wherein the heat exchange layer comprises a support material layer and a plurality of flexible heat exchange tubes embedded in the support material layer in parallel, first connecting pieces are arranged on two long edges in the support material layer, the support material layer is spirally wound on a heat medium tube, the flexible heat exchange tubes are attached to the heat medium tube, and the first connecting pieces at the spiral seams are connected.
4. An externally applied heat exchange device according to claim 3 wherein the cross-section of the heat exchange tube is semicircular, and the straight edge of the semicircle is attached to the heat medium tube.
5. An externally applied heat exchange device according to claim 4 wherein the layer of support material comprises a latex layer.
6. An externally-applied heat exchange device according to any one of claims 1 to 5, further comprising a strip-shaped heat insulation layer, wherein second connecting pieces are arranged on two long edges of the heat insulation layer, the heat insulation layer is bolted and wound on the outer portion of the heat exchange layer, and the second connecting pieces at the spiral joint are connected.
7. An externally applied heat exchange device according to claim 6 further comprising a belt-like protective layer, wherein both long edges of the protective layer are provided with third connecting members, the protective layer is bolted to the outside of the insulation layer, and the third connecting members at the spiral seam are connected.
8. An externally applied heat exchange device according to claim 7, wherein the first connecting piece, the second connecting piece and the third connecting piece are all magic tapes, and the lengths of the magic tapes and the long edges of the belt-shaped structure are equal.
9. An externally-applied heat exchange device according to claim 3, wherein two ends of each of the plurality of heat exchange tubes are connected with an annular water diversion pipe, and the two annular water diversion pipes are surrounded outside the heat medium pipe and are respectively connected with a heat supply water supply pipe and a heat supply water return pipe.
10. An externally applied heat exchange device according to claim 9 wherein the heat exchange tube is connected to the annular water knockout tube by a quick connect coupling; preferably, the heat exchange device is arranged in the refrigerating unit and laid on the heat medium pipe between the compressor and the evaporative condenser.
CN202210838303.5A 2022-07-18 2022-07-18 Spiral winding structure and external application type heat exchange device Pending CN115183602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210838303.5A CN115183602A (en) 2022-07-18 2022-07-18 Spiral winding structure and external application type heat exchange device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210838303.5A CN115183602A (en) 2022-07-18 2022-07-18 Spiral winding structure and external application type heat exchange device

Publications (1)

Publication Number Publication Date
CN115183602A true CN115183602A (en) 2022-10-14

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019679A (en) * 2014-06-16 2014-09-03 海安天润机械科技有限公司 Spiral grooved tube reversely-wound type heat exchanger and variable flow spiral grooved tube cooling device
CN208736226U (en) * 2018-07-20 2019-04-12 常州百力奇自动化设备有限公司 A kind of clad type heat exchanger
CN209326415U (en) * 2018-10-25 2019-08-30 王梅军 The same pass heat exchanger of heat absorption plate core structure spiral winding
CN216923689U (en) * 2022-03-22 2022-07-08 南京长江都市建筑设计股份有限公司 Outdoor water supply pipeline energy-saving environment-friendly heat insulation structure utilizing wind energy to generate electricity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019679A (en) * 2014-06-16 2014-09-03 海安天润机械科技有限公司 Spiral grooved tube reversely-wound type heat exchanger and variable flow spiral grooved tube cooling device
CN208736226U (en) * 2018-07-20 2019-04-12 常州百力奇自动化设备有限公司 A kind of clad type heat exchanger
CN209326415U (en) * 2018-10-25 2019-08-30 王梅军 The same pass heat exchanger of heat absorption plate core structure spiral winding
CN216923689U (en) * 2022-03-22 2022-07-08 南京长江都市建筑设计股份有限公司 Outdoor water supply pipeline energy-saving environment-friendly heat insulation structure utilizing wind energy to generate electricity

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