WO2016000499A1 - Condenseur à ailettes spiralées à couche en s - Google Patents

Condenseur à ailettes spiralées à couche en s Download PDF

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Publication number
WO2016000499A1
WO2016000499A1 PCT/CN2015/079468 CN2015079468W WO2016000499A1 WO 2016000499 A1 WO2016000499 A1 WO 2016000499A1 CN 2015079468 W CN2015079468 W CN 2015079468W WO 2016000499 A1 WO2016000499 A1 WO 2016000499A1
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WO
WIPO (PCT)
Prior art keywords
tube
bracket
fixing
spiral
sheet
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Application number
PCT/CN2015/079468
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English (en)
Chinese (zh)
Inventor
高相启
韩周正
康保家
程清丰
张松
申成兵
盛伟
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河南新科隆电器有限公司
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Application filed by 河南新科隆电器有限公司 filed Critical 河南新科隆电器有限公司
Publication of WO2016000499A1 publication Critical patent/WO2016000499A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
    • F28F1/36—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely the means being helically wound fins or wire spirals

Definitions

  • the invention relates to a refrigeration and heat dissipation device, in particular to a twisted layer spiral fin condenser.
  • the spiral finned tube coil condenser that has appeared on the market now uses a spiral finned tube 1' to be first folded into a serpentine bend, and then bent in the vertical direction of the serpentine bend. Finally, a coiled spiral finned condenser is formed; the spiral finned condenser bracket 2' is fixed by a clad riveting method, and the riveting method requires manual or tooling to wrap each riveting claw on the spiral fin The spiral fins of the tube.
  • spiral fin condenser including a predetermined width and a spiral finned tube formed by a corrugated strip spirally wound on a tube flowing through a fluid, characterized in that the spiral finned tube is first bent into a serpentine shape for horizontal arrangement and fixation by a horizontal fixing member, and then for the first time The curved serpentine is twice bent in the longitudinal direction, wherein the horizontal fixing member includes a fixing device having a semi-cylindrical portion having an inner diameter equal to the diameter of the outer surface of the spiral finned tube and an extending portion having a semi-cylindrical portion and an extending portion The extension portion extends in parallel on both sides of the semi-cylindrical portion, and the fixing device is pressed by the pressing means to fit tightly to the outer surface of the spiral fin tube.”
  • the above-mentioned condenser structure can basically meet the requirements of the existing large refrigerator, but the heat dissipation effect is not particularly ideal; and the structure is difficult to process, the bending process is complicated, the production efficiency is low, the scrap rate is high, and the condensation is high.
  • the fixing method has the difficulty of processing the fixed bracket, requires multiple stamping processes, and has high production cost and low efficiency; and in the course of use, it is necessary to squeeze the semi-cylindrical riveting claws one by one on the spiral finned tube.
  • the fixing method has low efficiency, high labor intensity, and is easy to be coated, loose and loose, resulting in poor fixing of the condenser, vibration and noise during work; how to improve the heat dissipation effect of the condenser and improve production efficiency. And the fixing method is not only the bracket High processing efficiency, low cost, high fixing efficiency and good fixing effect are technical problems that need to be solved in the industry.
  • the technical problem to be solved by the invention is to provide a twisted-layer spiral finned condenser, which can reduce the bending of the serpentine bend which is the most difficult to bend the fin tube by the twist angle of the finned tube, thereby greatly reducing the processing.
  • the difficulty solves the difficulty of processing the spiral fin condenser; in addition, the parallel structure of the twisted layer, the louver type multi-layer honeycomb structure and the air hole on the spiral fin can make the air flow more easily form turbulent flow, and the air flow
  • the direction and the flow direction of the refrigerant form a countercurrent, which accelerates the heat dissipation effect, thereby achieving the requirement of improving the heat exchange efficiency; moreover, the bracket and the spiral fin are resistance welding, and the entire bracket can be welded once, without adding unnecessary processes, production
  • the efficiency is high, and the resistance welding technology is mature, the welding efficiency is not only high, and the welding is firm. This fixing method can improve the installation efficiency and greatly reduce the labor intensity while ensuring that the bracket is fixed firmly.
  • a twisted layer spiral finned fin condenser which comprises at least two sets of plane spiral finned tube sets, a tube set plane fixing bracket, a base connecting bracket and a base;
  • the at least two sets of planar spiral finned tube sets are formed by a multi-layered spatial structure spiral finned tube integrally bent and twisted, and each set of planar spiral finned tube sets is composed of a serpentine structure multi-layer spatial structure spiral in the same plane
  • the finned tube is integrally bent, and the torsion angle between the two-two plane spiral finned tube sets is 10°-180°, and the twisted angle of the finned tube is replaced by the finned tube.
  • the bending in the direction greatly reduces the processing difficulty and solves the difficulty in processing the spiral fin condenser;
  • the multi-layer space structure spiral fin tube includes a fin and a cooling tube, and a spiral of the outer wall of the cooling tube is spirally wound with a fin; the fin is integrally formed by a strip-shaped sheet, and the fin includes at least a first
  • the heat absorbing heat sink and the second heat absorbing heat sink are provided with a broken line between the adjacent heat absorbing heat sinks, and each heat absorbing heat radiating body forms a wave structure to increase heat absorption and heat dissipation of the fins and the cooling tube
  • the area, each of the discontinuous lines between the adjacent heat-absorbing heat radiating bodies constitutes opposite peaks and troughs, and the peaks and troughs formed by all the discontinuous lines of the adjacent heat-absorbing heat radiating bodies together form a honeycomb structure, and the plurality of layers
  • the strip fins are interrupted intermittently, and the multi-layers form a wave structure, so that the temperature of a part of the fins in contact with the cooling tube is high, and the temperature of the fins which
  • the temperature difference is large, which can accelerate the air flow; the fins of the multi-layer honeycomb structure have more air circulation channels, and change the airflow field, further change the laminar flow into turbulent flow, and accelerate the heat dissipation effect, the first suction Hot radiator wave And cooling the like pitch helically wound tube wall contact into contact with the refrigerant tube wave edge touching the prior art with respect to the fin increases the contact area with the cooling tube, the peak level from the second endothermic heat sink
  • the distance from the vertical plane of the first heat-absorbing radiator wave trough is higher than the vertical distance of the first heat-absorbing radiator peak horizontal plane from the first heat-absorbing radiator wave trough horizontal plane, so as to form a peak-shaped honeycomb structure, due to the peak-shaped honeycomb structure vertical
  • the peak of the second heat absorbing heat sink corresponding to the wave valley continues to rise, and the process of rising the hot air is also respectively
  • the heat from the vertical plane of the first heat-absorbing radiator wave trough is higher than the vertical distance of the first heat-
  • the tube flat fixing bracket is parallelly fixed to one side surface of each group of planar spiral fin tube sets by electric resistance welding, and the tube group plane fixing bracket is disposed in a direction perpendicular to the axial direction of the spiral fin tube, and the structure can realize the entire welding once.
  • the bracket does not need to add extra processes, has high production efficiency, and the resistance welding technology is mature, the welding efficiency is not only high and the welding is firm.
  • This fixing method can improve the installation efficiency and greatly reduce the labor intensity while ensuring the fixing of the bracket is firm.
  • the tube flat fixing bracket is perpendicular to the axial resistance welding of the spiral fin tube, so that the position between the two spiral serpentine tubes in the plane spiral fin tube group is fixed;
  • One end of the base connecting bracket is fixed to the middle of the flat fixing bracket of the tube set, and the other end is fixed on the base, so that the planar spiral finned tube set can be stably fixed on the base.
  • the tube-group fixing bracket comprises a sheet-shaped fixing bracket body, and the two long sides of the sheet-shaped fixing bracket body are correspondingly provided with a flange or a reinforcing rib, and the two short sides of the sheet-shaped fixing bracket body are correspondingly provided with a bending fixing plate.
  • a side fixing hole is formed on the bending fixing plate, and a middle fixing hole is opened in a middle portion of the main body of the sheet fixing bracket;
  • the height of the flange or the reinforcing rib is the same as the height of the spiral fin, and the flange of the tube group plane fixing bracket or
  • the rib is fixed by electric resistance welding of the cooling tube, and the main body of the sheet-shaped fixing bracket of the flat fixing bracket of the tube group is resistance-welded and fixed to the outer edge of the fin, so that the flange or the rib can be welded with the resistance of the cooling tube during welding.
  • the main body of the fixing bracket can be welded with the outer edge of the spiral fin, which can ensure the firmness of the welding of the bracket, avoid the situation of open welding and falling off during use, and ensure no noise during use.
  • the sheet-shaped fixing bracket body is also provided with air holes to ensure good ventilation.
  • the twisted layer spiral fin condenser further comprises an inter-tube connection bracket, and the end connection bracket is fixed to the end of the tube group plane fixing bracket on the same side of the at least two sets of plane spiral fin tube sets Connected to enhance the stability of the position of the two-two-plane spiral finned tube set.
  • the connection between the tube sets includes a sheet-shaped connecting bracket body, and the long sides of the sheet-shaped connecting bracket body are correspondingly provided with a flange, and the main body of the sheet-shaped connecting bracket is provided with a fixing hole, and the number of the fixing holes is fixed to the plane of the tube group
  • the number of brackets is the same; the height of the flange of the connecting bracket between the tube sets is the same as the height of the spiral fins, and the flange of the connecting bracket between the tube groups is fixed by the resistance welding of the cooling tube, and the connecting bracket between the tube groups passes through the fixing holes through the bolts and Bending the side fixing holes of the fixing plate and at least two sets of plane spiral finned tube sets
  • the bent fixing plate of the flat fixing bracket of the same side tube is fixedly connected.
  • the base connecting bracket comprises a sheet-shaped base connecting bracket body, wherein the two sides of the sheet-shaped base connecting bracket body are provided with flanges or reinforcing ribs, and the sheet-shaped base connecting bracket body has a short side provided with a bending fixing plate, the folding
  • the bending fixing plate is provided with a bottom fixing hole
  • the sheet base connecting bracket body is provided with a fixing bracket connecting hole
  • the base is respectively provided with a refrigerator mounting hole and a base connecting bracket connecting hole
  • the base connecting bracket is fixed through the bolt
  • the bracket connecting hole and the middle fixing hole of the tube group flat fixing bracket are fixedly connected with the tube group flat fixing bracket, and the bending fixing plate of the base connecting bracket is fixed by the bolt through the bottom fixing hole and the base connecting bracket connecting hole on the base and the base fixing hole connection.
  • the invention firstly is a twisted layer louver spiral fin condenser, and the twist layer structure cooperates with the multi-layer honeycomb structure and the air hole on the spiral fin, so that the airflow is more likely to form turbulent flow during the operation of the condenser, and the air flow direction and cooling
  • the flow direction of the agent forms a countercurrent, which accelerates the heat dissipation effect; the heat exchange effect of the twisted layer louver spiral finned tube condenser is higher than that of the ordinary spiral finned tube coil structure and other structures; and the twist layer processing
  • the method reduces the processing difficulty, reduces the scrap rate, and improves the production efficiency.
  • the condenser fixed bracket structure is welded to the spiral fins by electric resistance welding for the first time, which greatly simplifies the bracket structure and greatly reduces the processing difficulty of the bracket. Resistance welding replaces the bracket riveting connection, improves the fixing efficiency and reduces the labor intensity.
  • the structure is not only fixed and not falling off, but also has low cost, high efficiency and low labor intensity, and solves the industrial problem.
  • Figure 1 is a schematic view showing a prior art spiral finned tube serpentine structure
  • Figure 2 is a schematic view showing the structure of a prior art spiral fin condenser
  • FIG. 3 is a schematic view showing the overall structure of a multi-layer space structure spiral finned tube of the present invention.
  • FIG. 4 is a schematic view showing the structure of a sheet before the unfinishing of the fin of the multi-layer space structure spiral fin tube of the present invention
  • Figure 5 is a perspective view showing the three-dimensional structure of the fin of the multi-layer space structure spiral fin tube of the present invention.
  • FIG. 6 is a schematic cross-sectional structural view showing a fin of a multi-layer space structure spiral fin tube of the present invention.
  • Figure 7 is a schematic view showing the structure of the spiral finned tube of the multi-layer space structure of the present invention bent into a serpentine shape;
  • FIG. 8 is a schematic view showing the overall structure of an embodiment of the present invention.
  • FIG. 9 is a schematic view showing a structure of a spiral finned tube of a multi-layer space structure in a back-shaped structure according to an embodiment of the present invention.
  • Figure 10 is a schematic view showing the structure of the tube set fixing bracket of the present invention.
  • Figure 11 is a schematic view showing the structure of the connection bracket between the tube sets of the present invention.
  • Figure 12 is a schematic view showing the structure of the base connecting bracket of the present invention.
  • Figure 13 is a schematic view showing the structure of the base of the present invention.
  • FIG. 14 is a schematic view showing a rectangular structure of a multi-layer space structure spiral finned tube according to Embodiment 2 of the present invention.
  • Figure 15 is a schematic view showing the overall structure of the second embodiment of the present invention.
  • a twisted-layer spiral fin condenser includes ten sets of planar spiral finned tube sets 1, eighteen tube set flat fixed supports 2, and four a base connecting bracket 3 and a base 4;
  • the ten sets of planar spiral finned tube sets 1 are formed by a multi-layered spatial structure spiral finned tube integrally bent and twisted, and each set of planar spiral finned tube sets 1 is composed of a serpentine structure multi-layered spatial structure in the same plane.
  • the spiral finned tube is integrally bent, and the torsion angle between the two planar spiral finned tube sets 1 is 90°, and the ten sets of planar spiral finned tube sets 1 constitute a retro-shaped structure;
  • the multi-layer space structure spiral fin tube includes a fin 11 and a cooling tube 12, and a fin 11 is spirally wound around an outer wall of the refrigerating tube 12; the fin 11 is integrally formed by a strip-shaped sheet, and the fin is formed.
  • the sheet 11 includes a first heat absorbing heat sink 111 and a second heat absorbing heat sink 112.
  • the adjacent heat absorbing heat sinks 111 and 112 are provided with a broken line 13 , and each heat absorbing heat sink constitutes a wave structure.
  • Each of the discontinuities 13 between the adjacent heat absorbing heat sinks 111, 112 constitutes a relative peak 1111 and a valley 1121, and the peaks and troughs formed by all the discontinuous lines 13 of the adjacent heat absorbing heat sinks 111, 112 are common.
  • the wavy edge of the first heat absorbing heat sink 111 is spirally wound and connected to the outer wall of the refrigeration tube 12, and the peak of the second heat absorbing heat sink 112 is at a distance from the first heat absorbing heat sink 111.
  • the vertical distance of the horizontal plane is higher than the vertical plane distance of the first heat absorbing heat sink 111 peak 1111 from the water level of the first heat absorbing heat sink 111;
  • the tube set plane fixing bracket 2 is parallelly fixed to one side surface of each set of plane spiral fin tube sets 1 by electric resistance welding, and the tube group plane fixing bracket 2 is disposed in a direction perpendicular to the axial direction of the spiral fin tubes;
  • One end of the base connecting bracket 3 is fixed to the middle of the tube set flat fixing bracket 2, and the other end is fixed to the base 4.
  • the tube-shaped fixing bracket 2 includes a sheet-shaped fixing bracket body 21, and the two sides of the sheet-shaped fixing bracket 21 are correspondingly provided with a flange 211, and the short sides of the sheet-shaped fixing bracket body 21 are correspondingly bent and fixed.
  • the plate 212 has a side fixing hole 2121 formed in the bending fixing plate 212, and a middle fixing hole 213 is defined in the middle of the sheet fixing bracket body 21; the height of the flange 211 is the same as the height of the fin 11, and the tube group is fixed in plane
  • the flange 211 of the bracket 2 is resistance-welded to the cooling tube 12, and the sheet-shaped fixing bracket body 21 of the tube-group fixing bracket 2 is resistance-welded to the outer edge of the fin 11.
  • the base connecting bracket 3 includes a sheet-shaped base connecting bracket body 31.
  • the sheet-shaped base connecting bracket body 31 has two flanges 311 on the long sides thereof, and the sheet-shaped base connecting bracket body 31 has a short side provided with a bending fixing plate 312.
  • the bottom fixing hole 312 is provided with a bottom fixing hole 3121, and the plate base connecting bracket main body 31 is provided with a fixing bracket connecting hole 313; the base 4 is respectively provided with a refrigerator mounting hole 41 and a base connecting bracket connecting hole 42
  • the base connecting bracket 3 is fixedly connected to the tube flat fixing bracket 2 through the fixing bracket connecting hole 313 and the middle fixing hole 213 of the tube flat fixing bracket 2, and the bending fixing plate 312 of the base connecting bracket 3 is worn by bolts.
  • the base fixing hole 3121 and the base connecting bracket connecting hole 42 on the base 4 are fixedly connected to the base 4.
  • a twisted layer spiral finned condenser includes six sets of planar spiral finned tube sets 1, twelve tube set planar fixed brackets 2, and two a base connecting bracket 3 and a base 4;
  • the six sets of planar spiral finned tube sets 1 are formed by a multi-layered spatial structure spiral finned tube integrally bent and twisted, and each set of planar spiral finned tube sets 1 is composed of a serpentine structure multi-layered spatial structure in the same plane.
  • the spiral finned tube is integrally bent, and the torsion angle between the two planar spiral finned tube sets 1 is 180°, and the two sets of planar spiral finned tube sets 1 are arranged in parallel, and six sets of planar spiral finned tube sets are arranged.
  • 1 constitutes a rectangular structure
  • the multi-layer space structure spiral fin tube includes a fin 11 and a cooling tube 12, and a fin 11 is spirally wound around an outer wall of the refrigerating tube 12; the fin 11 is integrally formed by a strip-shaped sheet, and the fin is formed.
  • the sheet 11 includes a first heat absorbing heat sink 111 and a second heat absorbing heat sink 112.
  • the adjacent heat absorbing heat sinks 111 and 112 are provided with a broken line 13 , and each heat absorbing heat sink constitutes a wave structure.
  • Each of the discontinuities 13 between the adjacent heat absorbing heat sinks 111, 112 constitutes a relative peak 1111 and a valley 1121, and the peaks and troughs formed by all the discontinuous lines 13 of the adjacent heat absorbing heat sinks 111, 112 are common.
  • the wavy edge of the first heat absorbing heat sink 111 is spirally wound and connected to the outer wall of the refrigeration tube 12, and the peak of the second heat absorbing heat sink 112 is at a distance from the first heat absorbing heat sink 111.
  • the vertical distance of the horizontal plane is higher than the vertical plane distance of the first heat absorbing heat sink 111 peak 1111 from the water level of the first heat absorbing heat sink 111;
  • the tube set plane fixing bracket 2 is parallelly fixed to one side surface of each set of plane spiral fin tube sets 1 by electric resistance welding, and the tube group plane fixing bracket 2 is disposed in a direction perpendicular to the axial direction of the spiral fin tubes;
  • One end of the base connecting bracket 3 is fixed to the middle of the tube set flat fixing bracket 2, and the other end is fixed to the base 4.
  • the tube-shaped fixing bracket 2 includes a sheet-shaped fixing bracket body 21, and the two sides of the sheet-shaped fixing bracket 21 are correspondingly provided with a flange 211, and the short sides of the sheet-shaped fixing bracket body 21 are correspondingly bent and fixed.
  • the plate 212 has a side fixing hole 2121 formed in the bending fixing plate 212, and a middle fixing hole 213 is defined in the middle of the sheet fixing bracket body 21; the height of the flange 211 is the same as the height of the fin 11, and the tube group is fixed in plane
  • the flange 211 of the bracket 2 is resistance-welded to the cooling tube 12, and the sheet-shaped fixing bracket body 21 of the tube-group fixing bracket 2 is resistance-welded to the outer edge of the fin 11.
  • the twisted-layer spiral fin condenser further comprises four tube-to-tube connection brackets 5, and the tube group connection bracket 5 and the six-group planar spiral fin tube group 1 on the same side of the tube group plane fixing bracket The ends of 2 are fixedly connected.
  • the inter-tube connection bracket 5 includes a sheet-like connection bracket main body 51.
  • the two sides of the sheet-shaped connection bracket main body 51 are provided with a flange 511.
  • the sheet-shaped connection bracket main body 51 is provided with a fixing hole 512.
  • the fixing hole 512 is defined.
  • the number is the same as the number of the tube flat fixing brackets 2; the height of the flange 511 of the connecting bracket 5 between the tubes is the same as the height of the spiral fins 11, and the flange 511 of the connecting bracket 5 between the tubes is electrically welded to the cooling tube 12
  • the inter-tube connection bracket 5 is bent through the fixing hole 512 thereof and the side fixing hole 2121 of the bending fixing plate 212 and the bending fixing plate of the tube group plane fixing bracket 2 on the same side of the six sets of the planar spiral fin tube group 1. 212 fixed connection.
  • the base connecting bracket 3 includes a sheet-shaped base connecting bracket body 31.
  • the sheet-shaped base connecting bracket body 31 has two flanges 311 on the long sides thereof, and the sheet-shaped base connecting bracket body 31 has a short side provided with a bending fixing plate 312.
  • the bottom fixing hole 312 is provided with a bottom fixing hole 3121, and the plate base connecting bracket main body 31 is provided with a fixing bracket connecting hole 313; the base 4 is respectively provided with a refrigerator mounting hole 41 and a base connecting bracket connecting hole 42
  • the base connecting bracket 3 is fixedly connected to the tube flat fixing bracket 2 through the fixing bracket connecting hole 313 and the middle fixing hole 213 of the tube flat fixing bracket 2, and the bending fixing plate 312 of the base connecting bracket 3 is worn by bolts.
  • the base fixing hole 3121 and the base connecting bracket connecting hole 42 on the base 4 are fixedly connected to the base 4.
  • a twisted-layer spiral fin condenser is constructed by first folding a multi-layer space structure spiral finned tube into a flat serpentine bend.
  • the flat tube fixing brackets 2 are fixed by planar electric resistance welding on each group of plane spiral finned tube sets 1.
  • the tube group flat fixing brackets 2 are fixed by means of fixed brackets and spiral fins 11 edge resistance welding, and the brackets are made of flat sheets.
  • the two sides of the fixing plate are bent by 90°, and the edge of the flange is welded and welded to the cooling tube 12, and the fixing bracket body 21 and the spiral fin 11 are resistance welded to ensure the firmness; the short sides of the fixing bracket body 21 are correspondingly provided with the bending fixing plate 212.
  • the side fixing hole 2121 is formed on the bending fixing plate 212, and can be used for fixing the connecting bracket 5 between the pipe group according to the product strength requirement; then, according to the assembly requirement, the adjacent two sets of plane spiral finned tube sets in the serpentine shape are arranged according to the assembly requirements.
  • the spiral finned tube between 1 has a twist angle of 180°, forming a multi-layer structure of parallel layers, and finally fixing the joint between the tube sets 5, the base connecting bracket 3 and the base to complete the installation of a twisted layer spiral finned condenser .

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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

La présente invention concerne un condenseur à ailettes spiralées à couche en S, qui comporte au moins deux ensembles (1) de tubes à ailettes spiralées plans, un support de fixation (2) d'ensembles de tubes plans, un support (3) de raccordement à une base et une base (4) ; lesdits ensembles (1) de tubes à ailettes spiralées plans sont formés par cintrage et torsion intégrés d'un tube à ailettes spiralées avec une structure d'espace multi-couche ; chaque ensemble (1) de tubes à ailettes spiralées plan est formé par cintrage intégré des tubes à ailettes spiralées coplanaires avec une structure d'espace multi-couche en forme de S ; un angle inclus entre chacun des ensembles (1) de tubes à ailettes spiralées plans est de 10° à 180°. La structure en couche en S est coordonnée avec une structure en nid-d'abeilles multi-couche et des orifices d'air ménagés sur les ailettes spiralées (11) afin de permettre à un écoulement d'air de former facilement un écoulement turbulent lorsque le condenseur est en fonctionnement, et un écoulement inverse est formé dans une direction d'écoulement d'air et une direction d'écoulement de fluide frigorigène, ce qui accélère la dissipation de chaleur. De plus, la fabrication de la couche en S présente un faible niveau de difficulté et un faible taux de rejet, ce qui améliore l'efficacité de la fabrication.
PCT/CN2015/079468 2014-06-30 2015-05-21 Condenseur à ailettes spiralées à couche en s WO2016000499A1 (fr)

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CN201410311228.2 2014-06-30
CN201410311228.2A CN104165480B (zh) 2014-06-30 2014-06-30 一种扭层式螺旋翅片冷凝器

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CN104165480B (zh) * 2014-06-30 2016-05-25 河南新科隆电器有限公司 一种扭层式螺旋翅片冷凝器
CN106247698B (zh) * 2016-08-09 2018-09-25 河南新科隆电器有限公司 一种单螺旋丝管冷凝器
WO2018032497A1 (fr) * 2016-08-19 2018-02-22 常州市常蒸热交换器科技有限公司 Condensateur à ailettes en spirale
CN111676049A (zh) * 2020-05-19 2020-09-18 青岛科技大学 一种精准高效多级冷凝分离设备

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