WO2020133958A1 - Nouveau tube d'échange de chaleur - Google Patents

Nouveau tube d'échange de chaleur Download PDF

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Publication number
WO2020133958A1
WO2020133958A1 PCT/CN2019/091654 CN2019091654W WO2020133958A1 WO 2020133958 A1 WO2020133958 A1 WO 2020133958A1 CN 2019091654 W CN2019091654 W CN 2019091654W WO 2020133958 A1 WO2020133958 A1 WO 2020133958A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchange
boss
tube body
exchange tube
tube
Prior art date
Application number
PCT/CN2019/091654
Other languages
English (en)
Chinese (zh)
Inventor
颜安军
Original Assignee
浙江广涛卫厨有限公司
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 浙江广涛卫厨有限公司 filed Critical 浙江广涛卫厨有限公司
Publication of WO2020133958A1 publication Critical patent/WO2020133958A1/fr

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Classifications

    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0472—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled
    • F28D1/0473—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
    • F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/424—Means comprising outside portions integral with inside portions
    • F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0024—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for combustion apparatus, e.g. for boilers
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-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
    • F28D7/024—Heat-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 tubes, the coils having a cylindrical configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular

Definitions

  • the utility model belongs to the technical field of heating equipment, and relates to a heat exchange tube, in particular to a new type of heat exchange tube.
  • Traditional gas wall-hung boilers are usually equipped with corresponding devices such as combustion chambers and heat exchangers.
  • the heat exchanger absorbs the energy generated by the combustion gas and transfers it to the cold water flowing through the heat exchanger through the inlet pipe. After heat exchange, the water temperature rises. Hot water is discharged from the water outlet pipe to realize the function of heating the water flow; the high-temperature flue gas generated by the combustion is pumped out of the room through the pipe chamber by the fan. Since the water vapor in the flue gas takes a considerable part of the energy, the thermal efficiency of the wall-hung boiler is limited, and the heat utilization rate is difficult to improve.
  • the traditional gas-fired wall-hung boiler is limited by the structure and materials, and cannot withstand the corrosive effect of condensed water produced by the liquefaction of steam on the product, and the condensed water cannot be discharged.
  • Condensing gas-fired wall-mounted boilers use flue gas heat to heat the water flow, which can withstand the negative effects of condensate on the product and greatly improve the heat utilization rate.
  • the Chinese utility model patent with the application number 201720876454.4 discloses a condensing heat exchanger, including a shell and a spiral heat exchange Pipe, slow flow belt, water inlet pipe, water outlet pipe, flue gas heating pipe and condensate water outlet pipe, among them, there is a slow flow belt between the spiral heat exchange tube and the shell, the slow flow belt can guide and delay the flue gas generated by the burner
  • the speed of the outward discharge allows the flue gas to further heat the spiral heat exchange tube and improve the heat exchange rate.
  • the cross section is a spiral heat exchange tube with a D-shaped cross section.
  • the heat exchange tube uses a flat tube, so its strength is not ideal.
  • the purpose of the utility model is to solve the above problems in the existing technology, and propose a heat exchange tube with high heat exchange efficiency and high strength.
  • a new type of heat exchange tube including a spiral tube body, the two ends of the tube body are respectively the water inlet end and the water outlet end, which is characterized by
  • the tube body is a flat tube. Both sides of the cross section of the tube body are arc-shaped.
  • the upper and lower side walls of the tube body are evenly provided with a protruding boss 1 and a boss 2 adjacent to each other.
  • the boss 1 described above is in close contact with the boss 2 described above.
  • the heat exchange area of the pipe body is increased, which has the advantage of higher heat exchange efficiency.
  • the boss 1 and the corresponding boss 2 are in close contact , Increase the strength of the new heat exchange tube and improve the service life.
  • the ratio of the height and width of the cross section of the tube body is 1:2 to 1:5.
  • the tube body has a larger outer surface area, and the heat exchange efficiency is improved.
  • the number of turns of the tube body is 8 to 16 turns.
  • the water inlet and the water outlet are arranged in parallel and the water inlet and the water outlet are oriented in the same direction. With the above settings, it is easy to install and use the new heat exchange tube.
  • the boss 1 is elongated, the outer width of the boss 1 is greater than the inner end width, and the gaps formed by the adjacent bosses are the same .
  • the gap of the heat exchange tube is the same, so that the heat exchange is more uniform.
  • the boss 1 is symmetrically arranged and the corresponding tangent of the center line of the boss 1 and the spiral of the tube body is 26°-61°.
  • the angle formed by the center line of the boss 1 and the center line corresponding to the spiral line of the pipe body is 45°.
  • the boss 2 is elongated, and the outer width of the boss 2 is greater than the width of the inner end, and the gaps formed by the adjacent bosses 2 are the same .
  • the gap of the heat exchange tube is the same, so that the heat exchange is more uniform.
  • the boss 2 is symmetrically arranged and the corresponding tangent of the center line of the boss 2 and the spiral of the tube body is 26°-61°.
  • the angle formed by the center line of the boss 2 and the center line corresponding to the spiral line of the pipe body is 45°.
  • both ends of the tube body and the water inlet end and the water outlet end are smoothly transitioned. Both ends of the pipe body, the water inlet end and the water outlet end are smooth transitions, which has the advantages of high strength and convenient manufacture.
  • the tube body is made of stainless steel.
  • the tube body is made of stainless steel, which has the advantages of high strength and long service life.
  • the tube body is made of copper.
  • the new heat exchange tube has the following advantages:
  • the lower side of the tube body is provided with the above-mentioned boss two.
  • the boss one abuts on the adjacent boss two, which has a better support effect while maintaining the tube
  • the distance between the bodies has the advantages of uniform heat exchange and stable and reliable structure
  • the tube body is made of stainless steel, which has the advantages of high strength and long service life.
  • FIG. 1 is a schematic perspective view of the new heat exchange tube.
  • FIG. 2 is a perspective schematic view of the novel heat exchange tube from another angle.
  • Figure 3 is a schematic top view of the new heat exchange tube.
  • FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3.
  • the new heat exchange tube includes a spiral-shaped tube body 1.
  • the two ends of the tube body 1 are the water inlet end 2 and the water outlet end 3.
  • the water inlet end 2 and the water outlet end 3 are arranged in parallel and
  • the water inlet 2 and the water outlet 3 are oriented in the same direction.
  • the tube body 1 is a flat tube. Both sides of the cross section of the tube body 1 are arc-shaped.
  • the upper and lower side walls of the tube body 1 are evenly provided with protruding bosses 1 and 4 and bosses 2 and 5 are adjacent 4 is in close contact with boss 2 and 5.
  • the ratio of the height H and the width L of the cross section of the pipe body 1 is 1:2 to 1:5, which makes the heat exchange area of the pipe body 1 larger and improves the efficiency of human exchange.
  • the boss 4 is elongated and the outer width of the boss 4 is greater than the width of the inner end.
  • the gap formed by the adjacent boss 4 is the same.
  • the boss 4 is symmetrically arranged and the center line of the boss 4
  • the tangent corresponding to the spiral of the tube 1 is 26°-61°.
  • the angle formed by the center line of the boss 1 and the center of the spiral of the tube 1 is 45°.
  • the bosses 2 and 5 are elongated, and the outer width of the bosses is greater than the inner ends and the gaps formed by the adjacent bosses 2 and 5 are the same.
  • the bosses 2 and 5 are symmetrically arranged and the bosses 2 and 5
  • the corresponding tangent of the center line and the spiral line of the tube 1 is 26°-61°.
  • the angle formed by the center line of the boss 2 and the center line corresponding to the spiral line of the tube 1 is 45°.
  • connection parts of the two ends of the pipe body 1 with the water inlet end 2 and the water outlet end 3 are smooth transitions, which have the advantages of high strength and convenient manufacture.
  • the tube body 1 is made of stainless steel, which has the advantages of high strength and long service life. As another way, the tube body 1 is made of copper.
  • the heat exchange area of the tube body 1 is increased, which has the advantage of higher heat exchange efficiency.
  • the boss 1 and the corresponding protrusions Taiwan II 5 is close to each other, which increases the strength of the new heat exchange tube and improves the service life.
  • the boss one 4 is elongated and the outer width of the boss one 4 is greater than the inner end width and the gap formed by the adjacent boss one 4 is the same, the boss two 5 is elongated and the boss The width of the outer end is larger than the width of the inner end and the gaps formed by the adjacent bosses 2 and 5 are the same, so that the gap of the heat exchange tube is the same and the heat exchange is more uniform.

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

Abstract

L'invention concerne un tube d'échange de chaleur, comprenant un corps de tube en spirale (1), deux extrémités du corps de tube (1) étant respectivement une extrémité d'entrée d'eau (2) et une extrémité de sortie d'eau (3) ; le corps de tube (1) est un tube plat ; deux côtés d'une section transversale du corps de tube (1) sont tous deux en forme d'arc ; et des parois latérales supérieure et inférieure du corps de tube (1) sont toutes deux pourvues de premiers bossages (4) et de seconds bossages (5) saillants, les premiers bossages (4) et des seconds bossages (5) adjacents venant en butée les uns contre les autres.
PCT/CN2019/091654 2018-12-26 2019-06-18 Nouveau tube d'échange de chaleur WO2020133958A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201822206515.3U CN209445601U (zh) 2018-12-26 2018-12-26 新型热交换管
CN201822206515.3 2018-12-26

Publications (1)

Publication Number Publication Date
WO2020133958A1 true WO2020133958A1 (fr) 2020-07-02

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Application Number Title Priority Date Filing Date
PCT/CN2019/091654 WO2020133958A1 (fr) 2018-12-26 2019-06-18 Nouveau tube d'échange de chaleur

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CN (1) CN209445601U (fr)
DE (1) DE202019104840U1 (fr)
WO (1) WO2020133958A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116592512B (zh) * 2023-04-26 2024-02-06 无锡市前卫化工装备有限公司 气体加热装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2133634A1 (fr) * 2008-06-11 2009-12-16 Aic S.A. Échangeur à feu nu pour chauffages de liquides
CN105276816A (zh) * 2014-07-12 2016-01-27 中山市健泰实业有限公司 一种暖炉热交换盘管
CN106482343A (zh) * 2015-09-02 2017-03-08 积顿新热能设备无锡有限公司 一种扁平椭圆螺旋换热水管
CN206420160U (zh) * 2017-01-04 2017-08-18 广东昊森热能设备有限公司 一种全预混燃气采暖热水炉的主换热器
CN206670056U (zh) * 2017-03-14 2017-11-24 广东万家乐燃气具有限公司 一种高效的冷凝换热器
CN107906747A (zh) * 2017-12-14 2018-04-13 浙江广涛卫厨有限公司 热交换器
CN305276242S (fr) * 2018-12-29 2019-07-26

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2133634A1 (fr) * 2008-06-11 2009-12-16 Aic S.A. Échangeur à feu nu pour chauffages de liquides
CN105276816A (zh) * 2014-07-12 2016-01-27 中山市健泰实业有限公司 一种暖炉热交换盘管
CN106482343A (zh) * 2015-09-02 2017-03-08 积顿新热能设备无锡有限公司 一种扁平椭圆螺旋换热水管
CN206420160U (zh) * 2017-01-04 2017-08-18 广东昊森热能设备有限公司 一种全预混燃气采暖热水炉的主换热器
CN206670056U (zh) * 2017-03-14 2017-11-24 广东万家乐燃气具有限公司 一种高效的冷凝换热器
CN107906747A (zh) * 2017-12-14 2018-04-13 浙江广涛卫厨有限公司 热交换器
CN305276242S (fr) * 2018-12-29 2019-07-26

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Publication number Publication date
CN209445601U (zh) 2019-09-27
DE202019104840U1 (de) 2019-09-16

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