WO2012171336A1 - Plum blossom spiral-shaped pipe specific for use of underground heat exchanger of ground source heat pump - Google Patents

Plum blossom spiral-shaped pipe specific for use of underground heat exchanger of ground source heat pump Download PDF

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Publication number
WO2012171336A1
WO2012171336A1 PCT/CN2012/000839 CN2012000839W WO2012171336A1 WO 2012171336 A1 WO2012171336 A1 WO 2012171336A1 CN 2012000839 W CN2012000839 W CN 2012000839W WO 2012171336 A1 WO2012171336 A1 WO 2012171336A1
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Prior art keywords
pipe
plum blossom
ground source
heat exchanger
pipe wall
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PCT/CN2012/000839
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French (fr)
Chinese (zh)
Inventor
区正源
刘忠诚
宋玉喜
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苏州际能环境能源技术有限公司
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Publication of WO2012171336A1 publication Critical patent/WO2012171336A1/en

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Classifications

    • 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
    • F28F1/06—Tubular elements of cross-section which is non-circular crimped or corrugated in cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy

Definitions

  • the present invention relates to a special tube for an underground heat exchanger, and more particularly to a special tube for a underground heat exchanger of a plum-shaped spiral ground source heat pump.
  • the conventional ground source heat pump buried pipe adopts a round PE pipe, and its cross section is circular; in order to achieve turbulent flow in the pipe, the flowing water V > 0.4 m / s, generally takes 0. 6m / s, the flow rate is fast to form Turbulent flow, but this increases the energy consumption of the circulating water pump.
  • the underground heat exchange tube mainly refers to the end heat exchanger buried in the vertical buried pipe. The heat transfer efficiency has not been broken for a long time, heat transfer The coefficient is relatively small and the heat transfer effect is not very obvious. Summary of the invention:
  • the technical problem to be solved by the present invention is to provide a special tube for a spiral heat source underground heat exchanger of a swarovski ground source heat source which can rapidly turbulently flow the medium in the tube and can increase the heat transfer coefficient.
  • the special pipe for the plum blossom spiral ground source heat pump underground heat exchanger comprises a pipe wall and a pipe hole, and the pipe wall and the pipe hole have a plum blossom shape and a surface of a plum blossom.
  • the cross-section edges of the pipe wall and the pipe-hole plume are respectively formed by arcs having a radius of R-1 and R-2, and the R-1 is 6mm, R- 2 is 3mm
  • the maximum diameter D of the pipe wall is 32 mm
  • the maximum diameter d of the pipe hole is 26 legs
  • the wall thickness of the spiral pipe is 3 mm.
  • the material of the underground tube is high density polyethylene or polypropylene.
  • the invention has the advantages that: the special tube for the underground heat exchanger of the plum blossom spiral source heat pump can quickly reach the turbulent state of the medium flowing in the tube, and effectively increase the heat transfer amount;
  • the source heat pump air conditioning system can improve the heat exchange efficiency of the underground heat exchanger, reduce the number of buried pipes in the outdoor drilling by 10 ⁇ : 15%, and save the initial investment of the project.
  • Figure 1 is a schematic view of the appearance of the present invention
  • FIG. 2 is a cross-sectional view of a dedicated tube of a plume spiral ground source heat pump underground heat exchanger.
  • Figure 1 and Figure 2 show a special tube for a plum-shaped spiral ground source heat pump underground heat exchanger, comprising a pipe wall 1 and a pipe hole 2; the pipe wall 1 and the pipe hole 2 have a plum-like cross section, and their surfaces are The plum blossoms are rotated so that the medium (such as water) in the pipe can quickly reach the turbulent state; the cross-section edges of the pipe wall 1 and the pipe hole 2 are composed of arcs of radius R-1 and R-2, respectively. , wherein R-1 is 6mm and R-2 is 3mm, which can increase the coupling area and heat transfer coefficient between the outer surface of the pipe and the soil; in order to be able to cooperate with other components, the maximum diameter D of the pipe wall 1 is 32mra.
  • the maximum diameter d of the tube hole 2 is 26, and the wall thickness of the spiral tube is 3 mm.
  • the special tube for the underground heat exchanger of the spiral-shaped ground source heat pump is made of high-density polyethylene or polypropylene.
  • the plum spiral spiral buried pipe with the pipe wall diameter of 32 mm and the tube hole diameter of 26 mm are compared with the circular buried pipe.
  • the plum spiral ground source heat pump underground heat exchanger is tested.
  • the cross-sectional area of the pipe wall of the special pipe is 284. 02mm 2 , and the outer surface area of the pipe wall is 52174. 08 mm 2 ;
  • the wall area of the pipe wall is 273.32 mm 2 , and the outer surface area of the pipe wall is 50265.48 mm 2 . It can be seen that the cross-sectional area of the pipe wall of the spiral heat source underground heat exchanger for plum blossom ground source heat pump is larger than that of the circular ground pipe.
  • the cross-sectional area of the pipe wall is 3.9%; the outer surface of the pipe wall is 4% larger, so the special pipe of the spiral heat source underground heat exchanger of the plum blossom can increase the coupling area between the outer surface of the pipe and the soil more than the circular buried pipe.
  • the medium in the pipeline quickly reaches the turbulent state and increases the heat transfer coefficient.

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

Abstract

A plum blossom spiral-shaped pipe specific for use of underground heat exchangers of ground source heat pumps comprising a pipe wall (1) and a pipe hole (2). The cross sections of the pipe wall (1) and the pipe hole (2) are of a plum blossom shape, while the surfaces thereof are of a plum blossom spiral shape. The edges of the plum blossom-shaped cross sections of the pipe wall and the pipe hole are formed by an arc with the radius of R-1 and an arc with the radius of R-2 respectively. R-1 is 6 mm, and R-2 is 3 mm. The maximum diameter D of the pipe wall (1) is 32 mm, the maximum diameter d of the pipe hole (2) is 26 mm, and the thickness of the pipe wall (1) is 3 mm. The material of the pipe body is high-density polyethylene or polypropylene. Said structure allows the medium flowing inside to reach the turbulent state quickly so as to effectively improve heat transfer quantity. The heat exchange efficiency for underground heat exchangers of ground source heat pump air-conditioning systems is improved, the number of buried outdoor drilling pipes is reduced by 10%-15%, and the initial project investment is conserved.

Description

一种梅花螺旋形地源热泵地下换热器专用管  Special tube for plum blossom spiral ground source heat pump underground heat exchanger
技术领域： Technical field:
本发明涉及一种地下换热器专用管， 具体地说， 本发明涉及一种梅花螺旋 形地源热泵地下换热器专用管。 背景技术：  The present invention relates to a special tube for an underground heat exchanger, and more particularly to a special tube for a underground heat exchanger of a plum-shaped spiral ground source heat pump. Background technique:
传统地源热泵地埋管均采用圆形 PE管，其断面均系圆形；为达到管内紊流， 流动水 V > 0. 4m/s， 一般取 0. 6m/s时， 流速快才能形成紊流， 但这增加了循环 水泵的耗能。 又因为圆形断面的管道外表面与土壤耦合面积受到限制， 地下换 热管 （主要指以垂直埋管为主的末端换热器埋管） 换热效率长期以来未能有所 突破， 传热系数比较小， 换热效果不是很明显。 发明内容：  The conventional ground source heat pump buried pipe adopts a round PE pipe, and its cross section is circular; in order to achieve turbulent flow in the pipe, the flowing water V > 0.4 m / s, generally takes 0. 6m / s, the flow rate is fast to form Turbulent flow, but this increases the energy consumption of the circulating water pump. Moreover, because the outer surface of the circular cross-section and the soil coupling area are limited, the underground heat exchange tube (mainly refers to the end heat exchanger buried in the vertical buried pipe). The heat transfer efficiency has not been broken for a long time, heat transfer The coefficient is relatively small and the heat transfer effect is not very obvious. Summary of the invention:
本发明所要解决的技术问题是提供一种可以使管内介质快速紊流并且能够 使传热系数能够增加的梅花螺旋形地源热泵地下换热器专用管。  The technical problem to be solved by the present invention is to provide a special tube for a spiral heat source underground heat exchanger of a swarovski ground source heat source which can rapidly turbulently flow the medium in the tube and can increase the heat transfer coefficient.
为了解决上述技术问题， 本发明是通过以下技术方案实现的。  In order to solve the above technical problems, the present invention has been achieved by the following technical solutions.
这种梅花螺旋形地源热泵地下换热器专用管包括管壁和管孔， 所述管壁和 管孔的断面呈梅花状， 表面呈梅花旋转形。  The special pipe for the plum blossom spiral ground source heat pump underground heat exchanger comprises a pipe wall and a pipe hole, and the pipe wall and the pipe hole have a plum blossom shape and a surface of a plum blossom.
为了增加管道外表面与土壤耦合面积和传热系数， 所述所述管壁和管孔梅 花状的断面边缘分别由半径为 R-1和 R-2的圆弧构成， 所述 R-1为 6mm， R- 2为 3mm  In order to increase the coupling area and the heat transfer coefficient between the outer surface of the pipe and the soil, the cross-section edges of the pipe wall and the pipe-hole plume are respectively formed by arcs having a radius of R-1 and R-2, and the R-1 is 6mm, R- 2 is 3mm
为了能够与其他零部件配合， 所述管壁的最大直径 D为 32mm， 管孔的最大 直径 d为 26腿， 螺旋管壁厚为 3mm。  In order to be able to cooperate with other components, the maximum diameter D of the pipe wall is 32 mm, the maximum diameter d of the pipe hole is 26 legs, and the wall thickness of the spiral pipe is 3 mm.
为了提高梅花螺旋形地源热泵地下换热器专用管的使用寿命， 所述地埋管 的材质为高密度聚乙烯或聚丙烯。 与现有技术相比， 本发明的有益之处是： 这种梅花螺旋形地源热泵地下换 热器专用管可以使管内流动的介质很快达到紊流状态， 有效的提高传热量； 对 土壤源热泵空调系统可以提高地下换热器的热交换效率， 减少室外钻井埋管数 量 10〜： 15%， 节省工程初投资。 In order to improve the service life of the special tube of the underground heat exchanger of the spiral ground source heat pump of the plum, the material of the underground tube is high density polyethylene or polypropylene. Compared with the prior art, the invention has the advantages that: the special tube for the underground heat exchanger of the plum blossom spiral source heat pump can quickly reach the turbulent state of the medium flowing in the tube, and effectively increase the heat transfer amount; The source heat pump air conditioning system can improve the heat exchange efficiency of the underground heat exchanger, reduce the number of buried pipes in the outdoor drilling by 10~: 15%, and save the initial investment of the project.
附图说明： BRIEF DESCRIPTION OF THE DRAWINGS:
下面结合附图对本发明进一步说明。  The invention will now be further described with reference to the accompanying drawings.
图 1是本发明外观示意图；  Figure 1 is a schematic view of the appearance of the present invention;
图 2是梅花螺旋形地源热泵地下换热器专用管剖视图。  2 is a cross-sectional view of a dedicated tube of a plume spiral ground source heat pump underground heat exchanger.
图中： 1、 管壁； 2、 管孔。  In the figure: 1, the pipe wall; 2, pipe hole.
具体实施方式： detailed description:
下面结合附图及具体实施方式对本发明进行详细描述：  The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
图 1、 图 2所示一种梅花螺旋形地源热泵地下换热器专用管，包括管壁 1和 管孔 2; 所述管壁 1和管孔 2的断面呈梅花状， 它们的表面呈梅花旋转形， 这样 可以使管道内的介质 （如水） 能够快速达到紊流状态； 所述管壁 1和管孔 2梅 花状的断面边缘分别由半径为 R-1和 R- 2的圆弧构成， 其中 R-1为 6mm， R-2为 3mm, 这样可以增加管道外表面与土壤耦合面积和传热系数； 为了能够与其它部 件相互配合运用，所述管壁 1的最大直径 D为 32mra，管孔 2的最大直径 d为 26皿， 螺旋管壁厚为 3mm; 为了提高使用寿命和质量， 所述梅花螺旋形地源热泵地下换 热器专用管的材质为高密度聚乙烯或聚丙烯。  Figure 1 and Figure 2 show a special tube for a plum-shaped spiral ground source heat pump underground heat exchanger, comprising a pipe wall 1 and a pipe hole 2; the pipe wall 1 and the pipe hole 2 have a plum-like cross section, and their surfaces are The plum blossoms are rotated so that the medium (such as water) in the pipe can quickly reach the turbulent state; the cross-section edges of the pipe wall 1 and the pipe hole 2 are composed of arcs of radius R-1 and R-2, respectively. , wherein R-1 is 6mm and R-2 is 3mm, which can increase the coupling area and heat transfer coefficient between the outer surface of the pipe and the soil; in order to be able to cooperate with other components, the maximum diameter D of the pipe wall 1 is 32mra. The maximum diameter d of the tube hole 2 is 26, and the wall thickness of the spiral tube is 3 mm. In order to improve the service life and quality, the special tube for the underground heat exchanger of the spiral-shaped ground source heat pump is made of high-density polyethylene or polypropylene.
实施例：  Example:
取长度都为 lm， 管壁直径都为 32mm， 管孔直径都为 26mm的梅花螺旋形地 埋管和圆形地埋管进行比较， 经测试， 所述梅花螺旋形地源热泵地下换热器专 用管的管壁截面积为 284. 02mm2, 管壁外表面积为 52174. 08 mm2; 而圆形地埋管 的管壁面积为 273. 32 mm2, 管壁外表面积为 50265. 48 mm2, 由此可知， 梅花螺 旋形地源热泵地下换热器专用管的管壁截面积比圆形地埋管的管壁截面积大 3. 9%; 管壁外表面结大 4%， 因此梅花螺旋形地源热泵地下换热器专用管比圆形 地埋管更能增加管道外表面与土壤耦合面积， 使管道内的介质快速达到紊流状 态， 增加传热系数。 The plum spiral spiral buried pipe with the pipe wall diameter of 32 mm and the tube hole diameter of 26 mm are compared with the circular buried pipe. After testing, the plum spiral ground source heat pump underground heat exchanger is tested. The cross-sectional area of the pipe wall of the special pipe is 284. 02mm 2 , and the outer surface area of the pipe wall is 52174. 08 mm 2 ; The wall area of the pipe wall is 273.32 mm 2 , and the outer surface area of the pipe wall is 50265.48 mm 2 . It can be seen that the cross-sectional area of the pipe wall of the spiral heat source underground heat exchanger for plum blossom ground source heat pump is larger than that of the circular ground pipe. The cross-sectional area of the pipe wall is 3.9%; the outer surface of the pipe wall is 4% larger, so the special pipe of the spiral heat source underground heat exchanger of the plum blossom can increase the coupling area between the outer surface of the pipe and the soil more than the circular buried pipe. The medium in the pipeline quickly reaches the turbulent state and increases the heat transfer coefficient.
需要强调的是： 以上仅是本发明的较佳实施例而已， 并非对本发明作任何 形式上的限制， 凡是依据本发明的技术实质对以上实施例所作的任何简单修改、 等同变化与修饰， 均仍属于本发明技术方案的范围内。  It is to be understood that the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, equivalent change and modification to the above embodiments in accordance with the technical spirit of the present invention are Still falling within the scope of the technical solution of the present invention.

Claims

、 一种梅花螺旋形地源热泵地下换热器专用管， 包括管壁（1 )和管孔（2 )， 其特征在于： 所述管壁（1 )和管孔（2 ) 的断面呈梅花状， 表面呈梅花旋 转形。 The utility model relates to a plum blossom spiral ground source heat pump underground heat exchanger special pipe, comprising a pipe wall (1) and a pipe hole (2), wherein: the pipe wall (1) and the pipe hole (2) have a cross section of plum blossom Shaped, the surface is plum-shaped.
、 根据权利要求 1所述的梅花螺旋形地源热泵地下换热器专用管，其特征在 于：所述管壁（1 )和管孔（2 )梅花状的断面边缘分别由半径为 R-1和 R-2 的圆弧构成， 所述 R- 1为 6mm， R-2为 3mm。 The utility model of the plum blossom spiral ground source heat pump underground heat exchanger according to claim 1, wherein the tube wall (1) and the tube hole (2) have a cross-sectional edge of a plume-like shape, respectively, having a radius of R-1. It is composed of an arc of R-2, and the R-1 is 6 mm and the R-2 is 3 mm.
、 根据权利要求 1所述的梅花螺旋形地源热泵地下换热器专用管，其特征在 于：所述管壁（1 )的最大直径 D为 32mm，管孔（2)的最大直径 d为 26腿， 螺旋管壁厚为 3mm。 The tube for the underground heat exchanger of the plum spiral ground source heat pump according to claim 1, characterized in that the maximum diameter D of the pipe wall (1) is 32 mm, and the maximum diameter d of the pipe hole (2) is 26 The leg, the spiral tube wall thickness is 3mm.
、 根据权利要求 1所述的梅花螺旋形地源热泵地下换热器专用管，其特征在 于- 所述地埋管的材质为高密度聚乙烯或聚丙烯。 The plum blossom spiral ground source heat pump underground heat exchanger special pipe according to claim 1, wherein the ground pipe is made of high density polyethylene or polypropylene.
PCT/CN2012/000839 2011-06-17 2012-06-15 Plum blossom spiral-shaped pipe specific for use of underground heat exchanger of ground source heat pump WO2012171336A1 (en)

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CN2011101642435A CN102288059A (en) 2011-06-17 2011-06-17 Special pipe of plum blossom spiral ground source heat pump ground heat exchanger

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WO2019074084A1 (en) * 2017-10-13 2019-04-18 株式会社奈良機械製作所 Heat exchanging device for powder material
CN109654470A (en) * 2017-10-11 2019-04-19 王文梅 A kind of novel high-efficiency and energy-saving boiler tube

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CN102288059A (en) * 2011-06-17 2011-12-21 苏州际能环境能源技术有限公司 Special pipe of plum blossom spiral ground source heat pump ground heat exchanger
CN102425970A (en) * 2011-12-19 2012-04-25 德米特（苏州）电子环保材料有限公司 Spiral buried pipe
CN102889818A (en) * 2012-11-02 2013-01-23 苏州际能环境能源技术有限公司 Plum blossom spiral pipe fitting
CN108036661A (en) * 2017-11-21 2018-05-15 杨斌 A kind of double water route Spiral type Heat Exchangers
CN110530188B (en) * 2019-06-24 2021-07-23 浙江久立特材科技股份有限公司 Pipe fitting of heat exchanger
CN115228234A (en) * 2022-08-12 2022-10-25 安徽国能亿盛环保科技有限公司 Industrial tail gas dehydration purification method

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CN202126199U (en) * 2011-06-17 2012-01-25 苏州际能环境能源技术有限公司 Quincunx spiral pipe special for underground heat exchanger of ground source heat pump
CN102425970A (en) * 2011-12-19 2012-04-25 德米特（苏州）电子环保材料有限公司 Spiral buried pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109654470A (en) * 2017-10-11 2019-04-19 王文梅 A kind of novel high-efficiency and energy-saving boiler tube
WO2019074084A1 (en) * 2017-10-13 2019-04-18 株式会社奈良機械製作所 Heat exchanging device for powder material

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