WO2018050077A1 - 用于太阳能集热器的炉膛体 - Google Patents

用于太阳能集热器的炉膛体 Download PDF

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Publication number
WO2018050077A1
WO2018050077A1 PCT/CN2017/101648 CN2017101648W WO2018050077A1 WO 2018050077 A1 WO2018050077 A1 WO 2018050077A1 CN 2017101648 W CN2017101648 W CN 2017101648W WO 2018050077 A1 WO2018050077 A1 WO 2018050077A1
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furnace body
insulation
layer
disposed
cavity
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PCT/CN2017/101648
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English (en)
French (fr)
Inventor
曾智勇
黄贝
陈武忠
崔小敏
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深圳市爱能森科技有限公司
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Publication of WO2018050077A1 publication Critical patent/WO2018050077A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B17/00—Furnaces of a kind not covered by any preceding group
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S21/00—Solar heat collectors not provided for in groups F24S10/00-F24S20/00
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Definitions

  • the present disclosure relates to the field of solar thermal power generation technology, for example, to a furnace body for a solar thermal collector.
  • the tower type solar collector in the related art is too simple in the structure of the furnace body for heat preservation, so that the heat preservation effect is poor, and the liquid medium flowing along the heat collecting tube in the solar heat collector is easily solidified and clogged under the temperature fluctuation fluctuation. Pipes, so the insulation effect of the furnace body must be improved.
  • the present disclosure provides a furnace body for a solar collector, which has a good heat preservation effect.
  • a furnace body for a solar collector comprising a vacuum insulation cavity, a composite insulation layer disposed on a periphery of the vacuum insulation cavity, and an insulation casing disposed on a periphery of the composite insulation layer;
  • the vacuum insulation chamber is composed of a plurality of vacuum insulation panels, the vacuum insulation panel includes a first metal bracket, and opposite sides of the first metal bracket are disposed for vacuum insulation a peripheral insulating panel of the cavity;
  • the composite insulating layer comprises an aluminum silicate cotton layer, and an opposite two-sided aluminum foil layer disposed on the aluminum silicate cotton layer.
  • the furnace body is a semi-closed cavity in which one end wall is provided with a sunlight entrance.
  • peripheral heat shield opposite sides of the peripheral heat shield are coated with a radiation layer that prevents heat loss.
  • the heat insulating housing comprises a second metal bracket and an insulating layer covering the opposite sides of the second metal bracket.
  • adjacent peripheral heat insulation panels are sequentially disposed through the vacuum tube.
  • first metal bracket and the second metal bracket are respectively welded by metal hollow rods arranged in a crisscross manner.
  • the furnace body is mounted above the heat insulation frame.
  • the embodiment provides a furnace body for a solar collector, the furnace body for the solar collector includes a vacuum insulation cavity, a composite insulation layer disposed on the periphery of the vacuum insulation cavity, and a cover An insulation housing disposed on a periphery of the composite insulation layer; wherein the vacuum insulation chamber is composed of a plurality of vacuum insulation panels, the vacuum insulation panel includes a first metal bracket, and is disposed on the The opposite sides of the first metal bracket are used to form a peripheral heat insulation board of the vacuum insulation cavity; the composite insulation layer comprises an aluminum silicate cotton layer, and the opposite two sides of the aluminum foil disposed on the aluminum silicate cotton layer Floor.
  • the furnace body designed by using the structure can pass the vacuum insulation cavity and the composite insulation layer covering the periphery of the vacuum insulation cavity to provide a good heat preservation effect on the heat collecting device in the vacuum heat insulation cavity.
  • the arrangement of the metal bracket can provide a good supporting effect on the vacuum heat insulating cavity, and the structure of the embodiment is stable and reliable, and the heat preservation effect is good.
  • FIG. 1 is a perspective view of a furnace body for a solar collector provided by the embodiment
  • Figure 2 is a cross-sectional view of Figure 1;
  • Figure 3 is a cross-sectional view of the vacuum insulation panel of Figure 2;
  • Figure 4 is a cross-sectional view of the composite insulation layer of Figure 2.
  • Figure 5 is a cross-sectional view of the insulated housing of Figure 2.
  • the furnace body includes a vacuum insulation chamber 11 and is disposed in a vacuum insulation chamber.
  • the vacuum insulation cavity 11 is composed of a plurality of vacuum insulation panels, as shown in FIG.
  • the board includes a first metal bracket 111, and a peripheral heat shield 112 disposed on opposite sides of the first metal bracket 111 for forming a vacuum insulation cavity; as shown in FIG. 4, the composite insulation layer 12 includes aluminum silicate cotton.
  • the layer 121 and the opposite two-sided aluminum foil layer 122 are disposed on the aluminum silicate wool layer 121.
  • the furnace body is a semi-closed cavity in which the solar light incident port 14 is provided at one end wall.
  • the sunlight entrance port 14 can be tightly sealed by the heat insulating cover, thereby achieving a good heat preservation effect.
  • the opposite sides of the peripheral heat insulating panel 112 are coated with a radiation layer 113 for preventing heat loss, or may be coated on one of the opposite sides of the peripheral heat insulating panel 112 as shown in FIG. Radiation layer 113 with heat loss.
  • Radiation layer 113 with heat loss.
  • the radiation level of the radiation layer near the internal heat collecting device of the furnace body cavity is lower than the radiation value of the radiation layer away from the heat collecting device inside the furnace body cavity. According to this, it has a good insulation effect.
  • the heat insulating housing 13 includes a second metal bracket 131, and an insulating layer 132 covering the opposite sides of the second metal bracket 131.
  • the first metal bracket 111 and the second metal bracket 131 are respectively welded by metal hollow rods arranged in a crisscross manner as shown in FIG. In order to effectively reduce the heat transfer area and reduce heat loss.
  • the assembled adjacent peripheral heat insulation panels 112 are sequentially arranged through the vacuum tube.
  • the furnace body is erected above the heat insulation frame.
  • the embodiment provides a furnace body for a solar collector, which can pass through a vacuum insulation cavity And a composite insulation layer covering the periphery of the vacuum insulation cavity, which has a good heat preservation effect on the heat collecting device in the vacuum insulation cavity, and the first metal bracket can be arranged to the vacuum insulation cavity.
  • the structure of the present disclosure is stable and reliable, and the heat preservation effect is good.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

一种用于太阳能集热器的炉膛体，包括真空隔热腔体（11）、设置于真空隔热腔体（11）外围的复合保温层（12）、以及罩设于复合保温层（12）外围的保温壳体（13）；其中，真空隔热腔体（11）由多块真空隔热板组合而成，真空隔热板包括第一金属支架（111），以及设置于第一金属支架（111）的相对的两面用于形成真空隔热腔体（11）的外围隔热板（112）；复合保温层（12）包括硅酸铝棉层（121），以及设置于硅酸铝棉层（121）的相对的两面的铝箔层（122）。

Description

用于太阳能集热器的炉膛体 技术领域
本公开涉及太阳能光热发电技术领域，例如涉及一种用于太阳能集热器的炉膛体。
背景技术
相关技术下的塔式太阳能集热器由于用于保温的炉膛体结构过于简单，使得保温效果差，进而使得沿太阳能集热器中的集热管流动的液体介质在温差波动下很容易凝固并堵塞管道，因此必须对炉膛体的保温效果加以改进。
发明内容
本公开提供一种用于太阳能集热器的炉膛体，保温效果好。
本实施例采用以下技术方案：
一种用于太阳能集热器的炉膛体，包括真空隔热腔体、设置于所述真空隔热腔体外围的复合保温层、以及罩设于所述复合保温层外围的保温壳体；其中，所述真空隔热腔体由多块真空隔热板组合而成，所述真空隔热板包括第一金属支架，以及设置于所述第一金属支架的相对的两面用于形成真空隔热腔体的外围隔热板；所述复合保温层包括硅酸铝棉层，以及设置于所述硅酸铝棉层的相对的两面的铝箔层。
可选的，所述炉膛体为一端壁设置有太阳光入射口的半封闭腔体。
可选的，所述外围隔热板的相对的两面涂覆有防止热量流失的辐射层。
可选的，所述保温壳体包括第二金属支架，以及包覆于所述第二金属支架相对的两面的保温层。
可选的，相邻所述外围隔热板通过抽真空管依次贯通设置。
可选的，所述第一金属支架和所述第二金属支架分别由纵横交错设置的金属空心杆焊接而成。
可选的，该炉膛体架设于隔热架的上方。
本实施例提供一种用于太阳能集热器的炉膛体，该用于太阳能集热器的炉膛体包括真空隔热腔体、设置于所述真空隔热腔体外围的复合保温层、以及罩设于所述复合保温层外围的保温壳体；其中，所述真空隔热腔体由多块真空隔热板组合而成，所述真空隔热板包括第一金属支架，以及设置于所述第一金属支架的相对的两面用于形成真空隔热腔体的外围隔热板；所述复合保温层包括硅酸铝棉层，以及设置于所述硅酸铝棉层的相对的两面的铝箔层。采用此结构设计的炉膛体，能够通过真空隔热腔体及罩设与真空隔热腔体外围的复合保温层，对真空隔热腔体内的集热装置起到很好的保温效果，第一金属支架的设置，能够对真空隔热腔体起到很好的支撑效果，本实施例结构稳定可靠，且保温效果好。
附图说明
图1是本实施例提供的一种用于太阳能集热器的炉膛体的轴测图；
图2是图1的截面图；
图3是图2中真空隔热板的截面图；
图4是图2中复合保温层的截面图；和
图5是图2中保温壳体的截面图。
具体实施方式
下面结合附图并通过可选实施方式来说明本公开的技术方案。
如图1至图2所示，该炉膛体包括真空隔热腔体11、设置于真空隔热腔 体11外围的复合保温层12、以及罩设于复合保温层12外围的保温壳体13；真空隔热腔体11由多块真空隔热板组合而成，如图3所示，真空隔热板包括第一金属支架111，以及设置于第一金属支架111的相对的两面用于形成真空隔热腔体的外围隔热板112；如图4所示，复合保温层12包括硅酸铝棉层121，以及设置于硅酸铝棉层121的相对的两面的铝箔层122。以此结构设计，使得层层设置的保温层，有效防止热量流失，起到很好的保温效果。
本实施例中，如图1及图2所示，炉膛体为一端壁设置有太阳光入射口14的半封闭腔体。在晚上没有太阳光时，可以通过保温盖将太阳光入射口14盖严，以此起到很好的保温效果。
本实施例中，外围隔热板112的相对两面涂覆有防止热量流失的辐射层113，也可以是如图3所示仅在外围隔热板112的相对两面中的其中一面涂覆有防止热量流失的辐射层113。可选的，靠近炉膛体腔体内部集热装置的辐射层的辐射值低于远离炉膛体腔体内部集热装置的辐射层的辐射值。依此起到很好的保温效果。
本实施例中，如图2和图5所述，保温壳体13包括第二金属支架131，以及包覆于第二金属支架131相对设置的两面的保温层132。第一金属支架111和第二金属支架131分别由如图3所示的纵横交错设置的金属空心杆焊接而成。以有效减少热量传递面积，减少热量流失。
为便于对真空隔热腔体进行抽真空作业，组装后的相邻外围隔热板112通过抽真空管依次贯通设置。
本实施例中，该炉膛体架设于隔热架的上方。
工业实用性
本实施例提供一种用于太阳能集热器的炉膛体，能够通过真空隔热腔体 及罩设与真空隔热腔体外围的复合保温层，对真空隔热腔体内的集热装置起到很好的保温效果，第一金属支架的设置，能够对真空隔热腔体起到很好的支撑效果，本公开结构稳定可靠，且保温效果好。

Claims (7)

  1. 一种用于太阳能集热器的炉膛体，包括真空隔热腔体、设置于所述真空隔热腔体外围的复合保温层、以及罩设于所述复合保温层外围的保温壳体；
    其中，所述真空隔热腔体由多块真空隔热板组合而成，所述真空隔热板包括第一金属支架，以及设置于所述第一金属支架的相对的两面用于形成真空隔热腔体的外围隔热板；所述复合保温层包括硅酸铝棉层，以及设置于所述硅酸铝棉层的相对的两面的铝箔层。
  2. 根据权利要求1所述的一种用于太阳能集热器的炉膛体，其中，所述炉膛体为一端壁设置有太阳光入射口的半封闭腔体。
  3. 根据权利要求1所述的一种用于太阳能集热器的炉膛体，其中，所述外围隔热板的相对的两面涂覆有防止热量流失的辐射层。
  4. 根据权利要求1所述的一种用于太阳能集热器的炉膛体，其中，所述保温壳体包括第二金属支架，以及包覆于所述第二金属支架的相对的两面的保温层。
  5. 根据权利要求1所述的一种用于太阳能集热器的炉膛体，其中，相邻所述外围隔热板通过抽真空管依次贯通设置。
  6. 根据权利要求4所述的一种用于太阳能集热器的炉膛体，其中，所述第一金属支架和所述第二金属支架分别由纵横交错设置的金属空心杆焊接而成。
  7. 根据权利要求1所述的一种用于太阳能集热器的炉膛体，其中，该炉膛体架设于隔热架的上方。
PCT/CN2017/101648 2016-09-14 2017-09-13 用于太阳能集热器的炉膛体 WO2018050077A1 (zh)

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