WO2017156942A1 - 一种地暖结构 - Google Patents

一种地暖结构 Download PDF

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WO2017156942A1
WO2017156942A1 PCT/CN2016/089853 CN2016089853W WO2017156942A1 WO 2017156942 A1 WO2017156942 A1 WO 2017156942A1 CN 2016089853 W CN2016089853 W CN 2016089853W WO 2017156942 A1 WO2017156942 A1 WO 2017156942A1
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floor heating
heating structure
structure according
duct
phase change
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PCT/CN2016/089853
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French (fr)
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铁生年
铁健
柳馨
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严利容
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system

Definitions

  • the invention relates to the technical field of home indoor heating, in particular to a floor heating structure.
  • Ground radiant heating (referred to as floor heating) is an old and new technology.
  • the ground heating in China can be traced back to the end of the Ming Dynasty. It is the heating method that can be enjoyed by the royal palace.
  • the existing Forbidden City in China has built a flue under the blue brick floor.
  • the flue is smoked through the flue and the smoke window is properly arranged to reach Warm the bricks and then pass them indoors to create a warming effect inside the room.
  • the floor heating technology has evolved from the original flue heat-dissipating heating to the ground radiant heating with modern materials as the heat medium.
  • the whole ground is used as a radiator, and the whole ground is uniformly heated by the heat medium in the radiation layer of the floor, and the heat of the ground itself and the law of upward radiation of heat are transmitted from bottom to top to achieve the purpose of heating. Due to the temperature gradient that gradually decreases from the sole to the head in the room, the comfort of the foot is warm and cool.
  • the ground radiant heating conforms to the fitness theory of “temperature and coolness” of Chinese medicine. It is the most comfortable heating method at present and a symbol of modern life quality. This technology was applied in developed countries as early as the 1930s.
  • the floor heating system of a building includes a heat source system, a piping system, and corresponding auxiliary materials.
  • the existing floor heating system is either a single system of hydrothermal heating or electric heating. To make the floor heating system effectively heat, the heat source system must consume a large amount of coal and power resources.
  • the present invention provides a floor heating structure.
  • a phase change energy storage material is integrated, which improves the heating efficiency of the floor heating and reduces the energy loss.
  • a floor heating structure comprising a heating water pipe system distributed in a network, wherein there is a gap between two adjacent heating water pipes, wherein the floor heating structure further comprises a plurality of first pipes and a plurality of second pipes capable of conducting heat
  • the first pipe is disposed in a gap between the two heating water pipes, and the first pipe is encapsulated with a plurality of the second pipes, and the second pipe is sealedly filled with phase change energy storage material.
  • the first pipe has a diameter of 15 to 65 mm and a length of 0.5 to 50 m.
  • the first pipe has a diameter of 45 to 55 mm and a length of 3 to 10 m.
  • the second pipe has a diameter of 1 to 50 mm and a length of 0.5 to 10 cm.
  • the second pipe has a diameter of 10 to 20 mm and a length of 4 to 8 cm.
  • the materials of the first pipe and the second pipe are individually selected from one or more of polyethylene, polypropylene, polybutylene, and aluminum-plastic composite materials.
  • the heating temperature of the heating water pipe is 35 to 65 ° C
  • the phase change temperature of the phase change energy storage material is 10 to 35 ° C.
  • phase change energy storage material is selected from the group consisting of Na 2 SO 4 ⁇ 10H 2 O, Na 2 CO 3 ⁇ 10H 2 O, NaCl, borax, carbon powder, potassium chloride, potassium nitrate, lithium nitrate, lithium carbonate, One or more of lithium chloride, sodium acetate trihydrate, paraffin, carbon nanotubes, and graphene.
  • the phase change energy storage material can absorb excess heat storage heat, thereby preventing excessive loss of heat of the heating system;
  • the phase change energy storage material can dissipate heat to achieve the purpose of continuous heating, and the phase change energy storage material can be recycled.
  • the phase change energy storage material is first filled in the second pipe with a smaller volume, and the plurality of second pipes are encapsulated in the first pipe having a larger volume, thereby solving the stratification phenomenon and supercooling of the phase change material.
  • the phenomenon improves the service life of phase change energy storage materials, not only saves energy and protects the environment, but also has simple preparation process and low production cost, and has broad application value in the field of building floor heating.
  • FIG. 1 is a schematic structural diagram of a floor heating structure according to an embodiment of the present invention.
  • the embodiment of the present invention provides a floor heating structure.
  • the floor heating structure includes a heating water pipe 1 system distributed in a network, and the adjacent two heating water pipes 1 have a gap 1a therebetween.
  • the floor heating structure further comprises a plurality of first pipes 2 (only one of which is exemplarily shown in FIG. 1) and a plurality of second pipes 3 (which are exemplarily shown in FIG. 1). a plurality of the first pipes 2 are disposed in the gap 1a between the two heating water pipes 1, and the first pipes 2 are packaged with a plurality of the second pipes 3, the second The pipe 3 is sealingly filled with a phase change energy storage material 4.
  • the heating water pipe 1 system distributed in the form of a mesh may be any distributed structure in the existing floor heating system.
  • the heating water pipe 1 is a structure that is bent multiple times, and the heating system (not shown in the drawing) is heated to the water pipe. Hot water heating is provided in 1 (flow direction in the direction of the arrow in Fig. 1).
  • the existing building floor heating water pipe pipe mesh gap structure by providing the first pipe 2, and installing the second pipe 3 (which can be made into the shape of a plastic capsule) in the first pipe 2, and installing in the second pipe 3 Fully phase change energy storage material, then seal both ends of the first pipe 2 filled with the second pipe 3 with a plug, and place the first pipe 2 filled with the phase change energy storage material in the mesh gap of the floor heating pipe .
  • the second pipe 3 and the first pipe 2 filled with the phase change energy storage material plastic are heated by the heat radiated from the floor heating heating water pipe, and the energy storage material in the pipe stores energy due to a phase change of the temperature rise.
  • the local heating and heating water pipe stops heating, and the pipeline containing the phase change energy storage material continuously dissipates heat and cools down.
  • the temperature of the pipeline containing the phase change energy storage material is lower than the phase transition temperature, the energy storage material continuously releases heat, and the released heat is evenly distributed. Heating the entire ground, using the ground's own heat storage and heat up the law of conduction from bottom to top, to achieve the purpose of continuous insulation and heating.
  • the diameter of the first pipe 2 may be selected from 15 to 65 mm, and the length may be set according to the length of the hole 1a, and is usually set to 0.5 to 50 m.
  • the first pipe 2 has a diameter of 45 to 55 mm and a length of 3 to 10 m.
  • the diameter and length of the second duct 3 generally need to be selected according to the diameter and length of the first duct 2.
  • the second pipe 3 may have a diameter of 1 to 50 mm and a length of 0.5 to 10 cm.
  • the second pipe has a diameter of 10-20 mm and a length of 4-8 cm.
  • the materials of the first pipe 2 and the second pipe 3 are heat conductive materials, and the materials of the first pipe 2 and the second pipe 3 may be individually selected from the group consisting of polyethylene, polypropylene, and polybutene. And one or more of aluminum-plastic composite materials.
  • the heating temperature of the heating water pipe 1 is 35 to 65 ° C (injected hot water temperature), and the phase change temperature of the phase change energy storage material 4 is 10 to 35 ° C.
  • the phase change energy storage material 4 is selected from the group consisting of Na 2 SO 4 ⁇ 10H 2 O, Na 2 CO 3 ⁇ 10H 2 O, NaCl, borax, carbon powder, potassium chloride, potassium nitrate, lithium nitrate, lithium carbonate, One or more of lithium chloride, sodium acetate trihydrate, paraffin, carbon nanotubes, and graphene.
  • the phase change energy storage material 4 may be selected from a single material of Na 2 SO 4 ⁇ 10H 2 O or Na 2 CO 3 ⁇ 10H 2 O, or more than several materials may be selected and mixed in any ratio, for example, Na 2 SO.
  • phase change energy storage material 4 4 ⁇ 10H 2 O, Na 2 CO3 ⁇ 10H 2 O, NaCl, borax and carbon powder, mixed according to the weight ratio of 1:1:1:1 to form phase change energy storage material 4, or potassium nitrate, nitric acid Lithium, lithium carbonate and lithium chloride are mixed in a ratio of 1:1:1:1 by weight to form a phase change energy storage material 4.
  • the floor heating structure provided by the embodiment of the present invention is based on the existing floor heating system.
  • the phase change energy storage material can absorb excess heat and heat storage to prevent excessive heat in the heating system. Loss of ground; when the heating system stops heating, the phase change energy storage material can dissipate heat to achieve continuous heating, and the phase change energy storage material can be recycled.
  • the phase change energy storage material is first filled in the second pipe with a smaller volume, and the plurality of second pipes are encapsulated in the first pipe having a larger volume, thereby solving the stratification phenomenon and supercooling of the phase change material. The phenomenon improves the service life of phase change energy storage materials, not only saves energy and protects the environment, but also has simple preparation process and low production cost, and has broad application value in the field of building floor heating.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Central Heating Systems (AREA)

Abstract

一种地暖结构，包括呈网状分布的供暖水管系统，相邻的两个供暖水管（1）之间具有空隙（1a），该地暖结构还包括可传导热量的多个第一管道（2）和多个第二管道（3），第一管道（2）布置于该空隙（1a）中且其内封装有若干个第二管道（3），第二管道（3）中密封地填充有相变储能材料（4）。该地暖结构融合有相变储能材料，提高了地暖供暖效率，降低了能源损耗。

Description

一种地暖结构 技术领域
本发明涉及家庭室内供暖技术领域，尤其涉及一种地暖结构。
背景技术
地面辐射供暖(简称地暖)是一项既古老又崭新的技术。在中国地面采暖可追溯到明朝末年，为皇宫王室才能拥有的取暖方式，如现存中国的故宫，在青砖地面下砌好烟道，冬天通过烟道传烟并合理配置出烟窗以达到把青砖温热而后传到室内，使室内产生温暖的效果。以后中国北方农村出现火墙、火炕的取暖方式，韩国、日本出现地炕。从古至今，人类不断传承文明，开拓创新，发展进步。现在随着科技时代的到来，地面供暖技术已从原始的烟道散热火炕式采暖发展成为以现代材料为热媒的地面辐射供暖。以整个地面为散热器，通过地板辐射层中的热媒，均匀加热整个地面，利用地面自身的蓄热和热量向上辐射的规律由下至上进行传导，来达到取暖的目的。由于在室内形成脚底至头部逐渐递减的温度梯度，从而给人以脚暖头凉的舒适感。地面辐射供暖符合中医“温足而顶凉”的健身理论，是目前最舒适的采暖方式，也是现代生活品质的象征。该技术早在上世纪30年代就在发达国家开始应用，中国在50年代就已将技术应用于人民大会堂、华侨饭店等工程中。一个建筑物的地暖系统包括热源系统、管道系统以及相应的辅材。现有的地暖系统要么是水热加热或电热加热的单一系统，要让地暖系统有效供暖，热源系统必须消耗大量的煤炭和电力资源。
发明内容
鉴于现有技术的不足，本发明提供了一种地暖结构，在现有地暖供暖系统的基础上，融合有相变储能材料，提高了地暖供暖效率，降低了能源损耗。
为了实现上述的目的，本发明采用了如下的技术方案：
一种地暖结构，包括呈网状分布的供暖水管系统，相邻的两个供暖水管之间具有空隙，其中，所述地暖结构还包括可传导热量的多个第一管道和多个第二管道，所述第一管道布置于所述两个供暖水管之间的空隙中，所述第一管道中封装有若干个所述第二管道，所述第二管道中密封地填充有相变储能材料。
进一步地，所述第一管道的直径为15～65mm，长度为0.5～50m。
进一步地，所述第一管道的直径为45～55mm，长度为3～10m。
进一步地，所述第二管道的直径为1～50mm，长度为0.5～10cm。
进一步地，所述第二管道的直径为10～20mm，长度为4～8cm。
进一步地，所述第一管道和所述第二管道的材料单独地选自聚乙烯、聚丙烯、聚丁烯和铝塑复合材料中的一种或几种。
进一步地，所述供暖水管的供暖温度为35～65℃，所述相变储能材料的相变温度为10～35℃。
进一步地，所述相变储能材料选自Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂、碳粉、氯化钾、硝酸钾、硝酸锂、碳酸锂，氯化锂、三水醋酸钠、石蜡、碳纳米管和石墨烯中的一种或几种。
本发明实施例提供的地暖结构，在现有地暖供暖系统的基础上，当供暖系统供暖时，相变储能材料可以吸收多余的热量蓄热，防止供暖系统的热量过多地损失；而在供暖系统停止供暖时，相变储能材料可以散发热量来达到持续供暖的目的，并且相变储能材料可以循环使用。另外，将相变储能材料先填充在体积较小的第二管道中，在将若干个第二管道封装在体积较大的第一管道中，解决了相变材料的分层现象和过冷现象，提高了相变储能材料的使用寿命，不仅节约能源，保护环境，而且制备工艺简单，生产成本低，在建筑物地暖领域具有广阔的应用价值。
附图说明
图1为本发明实施例提供的地暖结构的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面结合附图对本发明的具体实施方式进行详细说明。这些实施方式的示例在附图中进行了例示。附图中所示和根据附图描述的本发明的实施方式仅仅是示例性的，并且本发明并不限于这些实施方式。
在此，还需要说明的是，为了避免因不必要的细节而模糊了本发明，在附图中仅仅示出了与根据本发明的方案密切相关的结构和/或处理步骤，而省略了 与本发明关系不大的其他细节。
本发明实施例提供了一种地暖结构，如图1所示，该地暖结构包括呈网状分布的供暖水管1系统，相邻的两个供暖水管1之间具有空隙1a。其中，所述地暖结构还包括可传导热量的多个第一管道2(图1中仅示例性示出了其中的1个)和多个第二管道3(图1中仅示例性示出了其中的若干个)，所述第一管道2布置于所述两个供暖水管1之间的空隙1a中，所述第一管道2中封装有若干个所述第二管道3，所述第二管道3中密封地填充有相变储能材料4。
其中的呈网状分布的供暖水管1系统可以是现有的地暖系统中的任意分布结构，例如供暖水管1是多次弯折的结构，供热系统(附图中未示出)向供暖水管1中提供热水加热(按照附图1中箭头方向的流向)。利用现有建筑物地暖水管管道网状空隙结构，通过设置第一管道2，并在第一管道2内装入第二管道3(可做成塑料胶囊的形状)，同时在第二管道3中装满相变储能材料，然后把装满第二管道3的第一管道2的两端用堵头封口，将装满相变储能材料的第一管道2放置在地暖水管管道网状空隙中。利用地暖加热水管散发的热量加热装满相变储能材料塑料的第二管道3和第一管道2，管道中的储能材料因升温发生相变进行储存能量。当地暖加热水管停止加热，装有相变储能材料的管道不断散热而降温，当装有相变储能材料的管道温度低于相变温度时，储能材料不断放出热量，放出的热量均匀加热整个地面，利用地面自身的蓄热和热量向上辐射的规律由下至上进行传导，来达到持续保温取暖的目的。
其中，所述第一管道2的直径可以选择为15～65mm，长度可以根据孔隙1a的长度设定，通常设定为0.5～50m。其中，所述第一管道2的直径为45～55mm，长度为3～10m。
其中，所述第二管道3的直径和长度通常需要根据第一管道2的直径和长度来选择设计。通常地，所述第二管道3的直径可以选择为1～50mm，长度可以选择为0.5～10cm。其中，所述第二管道的直径为10～20mm，长度为4～8cm。
其中，所述第一管道2和所述第二管道3的材料为导热材料，所述第一管道2和所述第二管道3的材料可以单独地选自聚乙烯、聚丙烯、聚丁烯和铝塑复合材料中的一种或几种。
其中，所述供暖水管1的供暖温度为35～65℃(注入的热水温度)，所述相变储能材料4的相变温度为10～35℃。
其中，所述相变储能材料4选自Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂、碳粉、氯化钾、硝酸钾、硝酸锂、碳酸锂，氯化锂、三水醋酸钠、石蜡、碳纳米管和石墨烯中的一种或几种。例如，相变储能材料4可以选择单一的材料Na2SO4·10H2O或Na2CO3·10H2O，也可以选择几种以上的材料按照任意的比例混合，例如将Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂和碳粉，按照重量比为1：1：1：1的比例混合形成相变储能材料4，或者是将硝酸钾、硝酸锂、碳酸锂和氯化锂，按照重量比为1：1：1：1的比例混合形成相变储能材料4。
综上所述，本发明实施例提供的地暖结构，在现有地暖供暖系统的基础上，当供暖系统供暖时，相变储能材料可以吸收多余的热量蓄热，防止供暖系统的热量过多地损失；而在供暖系统停止供暖时，相变储能材料可以散发热量来达到持续供暖的目的，并且相变储能材料可以循环使用。另外，将相变储能材料先填充在体积较小的第二管道中，在将若干个第二管道封装在体积较大的第一管道中，解决了相变材料的分层现象和过冷现象，提高了相变储能材料的使用寿命，不仅节约能源，保护环境，而且制备工艺简单，生产成本低，在建筑物地暖领域具有广阔的应用价值。
需要指出的是，上述实施例仅为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (18)

  1. 一种地暖结构，包括呈网状分布的供暖水管系统，相邻的两个供暖水管之间具有空隙，其中，所述地暖结构还包括可传导热量的多个第一管道和多个第二管道，所述第一管道布置于所述两个供暖水管之间的空隙中，所述第一管道中封装有若干个所述第二管道，所述第二管道中密封地填充有相变储能材料。
  2. 根据权利要求1所述的地暖结构，其中，所述第一管道的直径为15～65mm，长度为0.5～50m。
  3. 根据权利要求1所述的地暖结构，其中，所述第一管道的直径为45～55mm，长度为3～10m。
  4. 根据权利要求1所述的地暖结构，其中，所述第二管道的直径为1～50mm，长度为0.5～10cm。
  5. 根据权利要求1所述的地暖结构，其中，所述第二管道的直径为10～20mm，长度为4～8cm。
  6. 根据权利要求1所述的地暖结构，其中，所述第一管道和所述第二管道的材料单独地选自聚乙烯、聚丙烯、聚丁烯和铝塑复合材料中的一种或几种。
  7. 根据权利要求1所述的地暖结构，其中，所述供暖水管的供暖温度为35～65℃，所述相变储能材料的相变温度为10～35℃。
  8. 根据权利要求1所述的地暖结构，其中，所述相变储能材料选自Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂、碳粉、氯化钾、硝酸钾、硝酸锂、碳酸锂，氯化锂、三水醋酸钠、石蜡、碳纳米管和石墨烯中的一种或几种。
  9. 根据权利要求2所述的地暖结构，其中，所述第一管道和所述第二管道的材料单独地选自聚乙烯、聚丙烯、聚丁烯和铝塑复合材料中的一种或几种。
  10. 根据权利要求2所述的地暖结构，其中，所述相变储能材料选自Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂、碳粉、氯化钾、硝酸钾、硝酸锂、碳酸锂，氯化锂、三水醋酸钠、石蜡、碳纳米管和石墨烯中的一种或几种。
  11. 根据权利要求3所述的地暖结构，其中，所述第一管道和所述第二管 道的材料单独地选自聚乙烯、聚丙烯、聚丁烯和铝塑复合材料中的一种或几种。
  12. 根据权利要求3所述的地暖结构，其中，所述相变储能材料选自Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂、碳粉、氯化钾、硝酸钾、硝酸锂、碳酸锂，氯化锂、三水醋酸钠、石蜡、碳纳米管和石墨烯中的一种或几种。
  13. 根据权利要求4所述的地暖结构，其中，所述第一管道和所述第二管道的材料单独地选自聚乙烯、聚丙烯、聚丁烯和铝塑复合材料中的一种或几种。
  14. 根据权利要求4所述的地暖结构，其中，所述相变储能材料选自Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂、碳粉、氯化钾、硝酸钾、硝酸锂、碳酸锂，氯化锂、三水醋酸钠、石蜡、碳纳米管和石墨烯中的一种或几种。
  15. 根据权利要求5所述的地暖结构，其中，所述第一管道和所述第二管道的材料单独地选自聚乙烯、聚丙烯、聚丁烯和铝塑复合材料中的一种或几种。
  16. 根据权利要求5所述的地暖结构，其中，所述相变储能材料选自Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂、碳粉、氯化钾、硝酸钾、硝酸锂、碳酸锂，氯化锂、三水醋酸钠、石蜡、碳纳米管和石墨烯中的一种或几种。
  17. 根据权利要求6所述的地暖结构，其中，所述第一管道和所述第二管道的材料单独地选自聚乙烯、聚丙烯、聚丁烯和铝塑复合材料中的一种或几种。
  18. 根据权利要求6所述的地暖结构，其中，所述相变储能材料选自Na2SO4·10H2O、Na2CO3·10H2O、NaCl、硼砂、碳粉、氯化钾、硝酸钾、硝酸锂、碳酸锂，氯化锂、三水醋酸钠、石蜡、碳纳米管和石墨烯中的一种或几种。
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