WO2013086853A1 - 蓄热换热芯及换热方法 - Google Patents

蓄热换热芯及换热方法 Download PDF

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Publication number
WO2013086853A1
WO2013086853A1 PCT/CN2012/078009 CN2012078009W WO2013086853A1 WO 2013086853 A1 WO2013086853 A1 WO 2013086853A1 CN 2012078009 W CN2012078009 W CN 2012078009W WO 2013086853 A1 WO2013086853 A1 WO 2013086853A1
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WIPO (PCT)
Prior art keywords
heat
heat exchange
exchange
pipe
heat storage
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PCT/CN2012/078009
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English (en)
French (fr)
Inventor
臧筑华
郑国华
张鸿瑞
魏德立
叶展聪
李之铎
刘军
刘小强
张洪生
杨永安
臧今楠
杨奎
李文锋
陈业松
刘运启
Original Assignee
天津建华工程咨询管理公司
天津得圣太阳能科技有限公司
天津市建筑设计院
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Application filed by 天津建华工程咨询管理公司, 天津得圣太阳能科技有限公司, 天津市建筑设计院 filed Critical 天津建华工程咨询管理公司
Publication of WO2013086853A1 publication Critical patent/WO2013086853A1/zh

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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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the invention relates to a heat storage heat exchange core and a heat exchange method, which has high heat exchange efficiency, synchronously completes heat exchange of different phase fluids, and can store heat and filter, and belongs to the field of building ventilation and energy conservation.
  • the product realized by the invention uses the metal processing to produce the waste metal wire as the heat exchange medium, the material source is wide, the processing cost is low; the heat transfer speed of the wire wrapped heat pipe and the liquid pipe is fast; the thermal fuse forms a physical separation frame, and the sealing effect is sealed
  • Modular processing industrialization, standardization, serialization, generalized production, assembly into various heat recovery energy-saving products and fluid heat exchange products.
  • a heat storage heat exchange core and a heat exchange method comprising: a heat exchange wire, a heat pipe, a fluid pipe, a physical partition frame, a heat exchanger formed by a heat storage connection device and a heat insulation shell, and simultaneously completing different phase states Heat exchange after fluid heat exchange or heat storage.
  • the invention has the following features:
  • the heat exchange wire is a wire produced by metal processing.
  • Each of the heat storage heat exchange cores comprises at least one set of upper and lower physical isolation zones of the heat pipe and the two fluid pipes formed by the heat fuses formed by the heat fuses.
  • the plurality of heat storage heat exchange cores are connected by the heat storage connection device, and are installed inside the heat insulation casing, the lower isolation zone is connected with the hot fluid, the upper isolation zone is connected with the cold fluid, and the solid state of the heat storage device is connected to the heat storage device.
  • the liquid medium is divided into eight series of 40 ° C, 80 ° C, 100 ° C, 120 V, 160 ° C, 200 ° C, 240 ° C, 280 ° C.
  • FIG. 1 is a schematic view showing the structure of a heat storage heat exchange core.
  • FIG. 2 is a schematic view showing the structure of a heat exchange duct.
  • Figure 3 is a schematic view of the position of the heat storage connection device in the heat exchange air passage.
  • 1 is a heat exchange wire
  • 2 is a heat pipe
  • 3 is a fluid pipe
  • 4 is a fluid pipe connection end
  • 5 is an upper cold fluid passage
  • 6 is a bottom plate
  • 7 is a large hole mesh
  • 8 is a small hole
  • 9 is the lower thermal fluid path
  • 10 is the physical divider.
  • 11 of FIG. 2 is a heat storage heat exchange core group
  • 12 is a fluid pipe connection region
  • 13 is a partition plate of a fluid pipe connection region
  • the upper low temperature fluid pipe is connected to the outlet end
  • 15 is the lower high temperature fluid pipe connecting the outlet end
  • 16 is the heat insulation air duct casing side plate.
  • 17 is the bottom plate of the insulated air duct casing, and 18 is the position of the heat storage connecting device at the heat exchange air passage.
  • 18-1 of Fig. 3 is a heat storage connection device, 18-2 heat exchange fluid passage, and 18-3 heat dissipation plate.
  • 1 heat exchange wire metal processing of long and short wire mixing, for example, alloy wire processed by automotive wheel hub, various wire processed by CNC center, the best processing of filaments on lathe, according to metal heat transfer performance, select universal Aluminum wire, copper wire, stainless steel wire can be, for example, catering cleaning with iron shavings or the like.
  • the main functions are: heat storage and heat transfer and filtration.
  • the main functions are: rapid heat transfer, improve heat dissipation.
  • the main functions are: liquid heat exchange pathway.
  • the main functions are: Closed connection fluid path.
  • the main functions are as follows:
  • the fluid passage is made of an anticorrosive material soaked through the entire heat storage heat exchange core and then dried by hot air.
  • the main functions are: Supporting heat pipes and heat exchange wires.
  • the main functions are: protection of the heat exchange wire on the side, constraining the heat exchange wire forming.
  • the main functions are: protection of the heat exchange wire in the ventilation section, constraining the heat exchange wire forming and positioning the fluid pipe.
  • the main functions are: Sealing the air duct and isolating the two fluids exchanged. :
  • heat storage heat exchange core group The conventional connection method of the same type of physical parameters and size of the heat storage heat exchange core group is assembled, the fluid pipe is welded or flanged, and the heat storage heat exchange core group is tightly connected through the heat storage connection device.
  • the upper and lower fluids are isolated from each other and exchange heat through the wire, and the heat of the high temperature fluid is stored in the medium of the heat storage connection device.
  • Fluid pipe connection area When connecting, pay attention to connect the lower fluid pipe first, connect the heat storage connection device, and finally connect the upper fluid pipe.
  • the partition plate of the fluid pipe connection area The connection method of the heat storage connection device is the same. When the heat storage is not required, the metal plate is used for the closed connection, and the upper and lower fluids are isolated from each other.
  • upper cryogenic fluid pipe connection terminal and lower high temperature fluid pipe connection terminal 15 conventional pipe connection, such as: welding or flange connection,
  • Insulation duct shell side panel and insulation duct shell bottom plate 17 composite sealing medium around metal sheet, high temperature resistant sealing material, for example: strip, cotton felt, aluminum silicate insulation cotton coated with sealing material, glass wool .
  • the implementation method of the heat storage heat exchange core is: 1. Process a rectangular square tire with a width and thickness of 5 times the diameter of the heat pipe and a height of 2.5 times the height of the heat pipe, and set the center position of the heat pipe.
  • the liquid pipe and the liquid pipe connection end are assembled into one body and the metal mesh pentahedron is positioned, and the heat pipe wire is positioned at the center of the metal mesh pentahedron.
  • the liquid pipe is parallel to the flow direction of the heat exchange fluid.
  • the heat exchange wire is placed perpendicular to the fluid direction and placed vertically in the heat pipe (relatively placed up and down).
  • the heat pipes are placed at a pitch width and thickness within 5 times of the diameter of the heat pipe, and the wire is filled with a wire filling height of 2.5 times the height of the heat pipe.
  • the heat exchanger air duct implementation method is:
  • the air duct is closed by the lower part and the left and right sides, and the upper part is opened.
  • the opening surface can be tightly sealed on both sides, and the heat storage heat exchange core group is placed from the opening and opening surface, and the gap is placed, and the closed liquid pipe connection end is fastened.
  • the positioning method locates the heat storage heat exchange core group, and the liquid pipeline connection terminal leads the heat exchange air passage and the sealed lead-out portion constitutes the heat storage heat exchange air passage.
  • the waste heat of the laundry room is transferred to the lower part of the heat storage heat exchange duct by the hot air or ironing hot air in the laundry room, and the outdoor fresh air is sent to the upper part of the heat storage heat exchange duct, and the cool water is sent into the liquid pipeline in the winter.
  • the hot air can be sent to other rooms for hot air. After the fresh air heat exchange, the temperature can be increased.
  • the liquid pipeline can be recycled into the storage tank to become the preheating heat source for the domestic hot water or the hot water input to the water heater. It can also be used as bathing hot water or washing room. Use hot water.
  • Hot gas heat storage exchange in the steel plant installation of a heat storage heat exchanger air duct in the upper part of the steel plant, hot gas from the lower part, input, outdoor cold air input from the upper part, hot air and liquid pipe fluid as a heat source, heating the heat storage medium, and It can transfer heat.
  • the product implemented by the invention is applied in the field of construction and used as a heat exchange air passage; It is used in hot water recycling and heat storage devices, and is used in the field of cleanliness as a purification and heat recovery device.
  • the present invention is applied to the number of liquid pipes added to the wire in the case of hot liquid recovery and utilization.
  • the selection of the heat pipe is selected according to the series optimization:
  • the regenerative connection device of the invention is filled with liquid-gas state, solid-liquid medium, below 10CTC, paraffin wax is selected; rosin is selected below 10CTC-200 °C; petroleum pitch is selected at 200°C-280°C.
  • the heat storage connection device and the heat storage heat exchange core are hermetically connected by a conventional method.
  • the heat storage heat exchange core of the present invention can be cleaned and replaced by a heat insulating casing, and the filtering effect is inversely proportional to the outer diameter of the wire and proportional to the density of the heat pipe and the fluid pipe.

Abstract

一种蓄热换热芯以及利用该蓄热换热芯实现换热的方法，该蓄热换热芯包括换热金属丝（1）、热管（2）、流体管道（3）和物理分隔框（10），多个蓄热换热芯通过蓄热连接装置（18）连通，装在保温壳体（16，17）内部组成换热器，同步完成不同相态流体热交换或蓄热后热交换。该蓄热换热芯无漏风，热交换效率高，运行性能稳定，生产工艺简单，易于维护。

Description

蓄热换热芯及换热方法 技术领域
本发明一种蓄热换热芯及换热方法， 热交换效率高， 同步完成不同相态流体的热交换并可蓄 热和过滤， 属于建筑通风和节能领域。
背景技术
现行的热交换器， 都不能同步完成不同相态的流体热交换， 也不能在热交换时进行过滤和蓄 热， 且都是采用材料加工后装配， 加工工艺复杂， 生产过程产生污染。
本发明实现的产品， 利用金属加工产生废料金属丝作为换热介质， 材料来源广泛， 加工费用 低廉； 金属丝包覆热管和液体管道传热速度快； 热熔丝形成物理分隔框， 密闭隔绝效果显著 提高， 加工工艺简单， 生产过程无污染， 同步可完成气 -气;气-液；液 -液三种相态流体的热交换 或蓄热回收， 蓄热换热芯和蓄热连接装置能够模块化加工， 工业化、 标准化、 系列化、 通用 化生产， 组装成各种热回收节能产品和流体换热产品。
发明内容
一种蓄热换热芯及换热方法， 其特征是： 包括换热金属丝、 热管、 流体管道、 物理分隔框， 通过蓄热连接装置和保温壳体组成换热器， 同步完成不同相态流体热交换或蓄热后热交换。 本发明具有以下特征：
1. 换热金属丝为金属加工产生的金属丝。
2.每个蓄热换热芯至少包含一组利用热熔丝形成的换热金属丝包覆热管和两个流体管道的上 下两个物理隔离区。
3.多个蓄热换热芯通过蓄热连接装置连通， 装在保温壳体内部， 下部的隔离区通入热流体， 上部的隔离区通入冷流体，连通蓄热器内置固态相变为液态的介质，分为 40°C、 80°C、 100°C、 120V , 160°C、 200°C、 240°C、 280°C八个系列。
附图说明 附图 1是蓄热换热芯结构示意图。
附图 2是换热风道结构示意图。
附图 3是蓄热连接装置在换热风道位置示意图。
附图说明如下：
附图 1的 1是换热金属丝， 2是热管， 3是流体管道， 4是流体管道连接端， 5是上部冷流体 通路， 6是底板， 7是大孔目丝网， 8是小孔目丝网， 9是下部热流体通路， 10是物理分隔框。 附图 2的 11是蓄热换热芯组， 12是流体管道连接区域， 13是流体管道连接区域的隔断板，
14上部低温流体管连接引出端， 15是下部高温流体管连接引出端， 16是保温风道壳体侧板，
17是保温风道壳体底板、 18是蓄热连接装置在换热风道位置。
附图 3的 18-1是蓄热连接装置， 18-2热交换流体通路， 18-3散热板。
实施方法
材料的选择和主要作用
1换热金属丝:金属加工的长短丝混合， 例如， 机动车轮毂加工下来的合金丝， 数控中心加工 下来的各种金属丝， 以车床加工长丝最佳， 按照金属传热性能， 选用通用的铝合金丝、 铜丝、 不锈钢丝均可， 例如， 餐饮清洁用铁刨花或类似物。
主要作用为： 蓄热和传热及过滤。
2热管： 根据换热温度选择不同性能的热管。
主要作用为： 快速传热， 提高散热速度。
3流体管道， 根据流体性质， 选择铝管、 铜管、 不锈钢管或者瓷质管道。
主要作用为： 液体热交换通路。
4流体管道连接端： 法兰、 衲子端、 焊接或者阀门组。
主要作用为： 密闭连接流体通路。
5上部冷流体通路和下部热流体通路 9: 主要作用为： 流体通路采用防腐材料浸透整个蓄热换热芯后热风吹干。
6底板： 薄板， 金属或非金属板材均可。
主要作用为： 支撑热管和换热金属丝。
7大孔目丝网： 金属材料刚性筛网。
主要作用为： 在侧面防护换热金属丝， 约束换热金属丝成型。
8小孔目丝网： 金属材料刚性筛网。
主要作用为： 在通风断面防护换热金属丝， 约束换热金属丝成型和定位流体管道。
10物理分隔框材料： 低熔点合金。
主要作用为： 密封风道和隔离交换的两种流体。：
11蓄热换热芯组： 相同物理参数和尺寸的蓄热换热芯组常规的连接方法组装一起， 流体管道 焊接或法兰连接， 蓄热换热芯组之间通过蓄热连接装置密闭连通， 上下两种流体相互隔绝， 通过金属丝进行热交换， 高温流体的热量储蓄在蓄热连接装置介质内。
12流体管道连接区域： 连接时注意先连接下部流体管道， 在连接蓄热连接装置， 最后连接上 部流体管道。
13流体管道连接区域的隔断板： 与蓄热连接装置连接方法相同， 在不需要蓄热是采用金属板 进行密闭连通上下两种流体相互隔绝。
14上部低温流体管连接引出端和下部高温流体管连接引出端 15:常规的管道连接方式，例如: 焊接或法兰连接，
16保温风道壳体侧板和保温风道壳体底板 17:金属板材周边复合密闭介质，耐高温密闭材料， 例如： 胶条、 棉毡、 包覆密闭材料的硅酸铝保温棉， 玻璃丝棉。
18是蓄热连接装置在换热风道位置， 18-1 的蓄热连接装置的热交换流体通路 18-2的热交换 流体方向和散热板 18-3顺行安装。
蓄热换热芯实施方法为： 1.加工一个以热管直径的 5倍做成宽度和厚度，以热管高度的 2.5倍做成高度的矩形方框胎具， 并设置热管所在中心位置。
2.按照胎具尺寸做一个金属筛网五面体， 利用液体管道的端子定位五面体， 例如： 金属丝捆 绑， 螺栓紧固。
3.液体管道和液体管道连接端装配成一体并定位金属筛网五面体， 将热管用金属丝定位在金 属筛网五面体中心。
4.液体管道与热交换流体流动方向平行。
5.换热金属丝按照流体方向垂直并于热管垂直放入 （相对上下为横断摆放）。
6.将周边和上下分割区域插入高温熔化丝， 在熔化丝插入区域施加高温至熔化丝熔化。
7.清除毛剌和做钝化或防腐处理即： 将整块的蓄热换热芯镀锌、 磷化等金属表面处理。
8. 每块换热芯， 热管之间按照热管直径的 5倍以内间距宽度和厚度摆放， 并填充金属丝， 以 热管高度的 2.5倍为金属丝填充高度。
换热风道实施方法为：
风道采用下部和左右三面封闭， 上面开启， 开启面可以在两边紧固密闭， 从开开启面放入蓄 热换热芯组， 间距摆放， 并连紧固密闭液体管道连接端， 采用各种定位方法定位蓄热换热芯 组， 液体管道连接端子引出换热风道并密闭引出部位组成蓄热换热风道。
应用实例 1， 洗衣房余热利用热交换， 将洗衣房上部热气或熨烫热气送入蓄热换热风道下部， 室外新风送入蓄热换热风道上部， 凉水送入液体管道， 在冬季， 热风可以送入其他房间做热 风， 新风热交换后提高温度， 液体管道可以循环导入蓄水罐变成生活热水或者开水器输入冷 水的预加热热源， 也可做洗浴用热水或盥洗室用热水。
应用实例 2， 钢厂热气蓄热交换， 在钢厂上部安装蓄热换热风道， 热气从下部， 输入， 室外 冷风从上部输入， 热风和液体管道的流体作为热源， 加热蓄热介质， 并可传输热量。
本发明实施的产品应用在建筑领域， 作为热交换风道使用； 应用在节能领域作为高温热风， 热液回收利用和蓄热装置使用， 应用在洁净领域， 作为净化和热回收装置使用。 本发明在应用在热液回收利用场合， 加在金属丝中的液体管道的数。
本发明实现的产品， 热管的选择按照系列优化选择适用范围为：
40°C热管， 适用于商业气体热交换场所。
80°C热管， 适用于浴室、 纺织业印染、 蒸汽热回收的热交换场所。
100°C热管， 适用于水锅炉热交换场所。
12CTC热管， 适用于食品生产热回收交换场所。
160°C热管， 适用于日化和精细化工热交换场所。
200°C热管和 240°C热管， 适用于炼油厂热交换场所。
28CTC热管， 适用于冶炼厂热交换场所。
本发明蓄热连接装置内部填充液态-气态、 固态-液态两种介质， 10CTC以下， 选用石蜡； 10CTC -200 °C以下选用松香； 200°C-280°C选用石油沥青。
蓄热连接装置与蓄热换热芯之间采用常规方法密闭连接。
本发明的蓄热换热芯可以清洗， 装入保温壳体可以更换， 过滤作用根据金属丝外径成反比和 包覆在热管和流体管道的密度成正比。

Claims

1. 一种蓄热换热芯及换热方法， 其特征是： 包括换热金属丝、 热管、 流体管道、物理分隔框， 通过蓄热连接装置和保温壳体组成换热器， 同步完成不同相态流体热交换或蓄热后热交换。
2.根据权利要求 1所述蓄热换热芯及换热方法， 其特征是： 热金属丝为金属加工产生的金属 丝。
3.根据权利要求 1所述蓄热换热芯及换热方法， 其特征是： 每个蓄热换热芯至少包含一组利 用热熔丝形成的换热金属丝包覆热管和两个流体管道的上下两个物理隔离区。
4.根据权利要求 1所述蓄热换热芯及换热方法， 其特征是： 多个蓄热换热芯通过蓄热连接装 置连通， 装在保温壳体内部， 下部的隔离区通入热流体， 上部的隔离区通入冷流体， 连通蓄 热器内置固态相变为液态的介质， 分为 40°C、 80°C、 100°C、 120 °C、 160°C、 200°C、 240°C、 280 °C八个系列。
PCT/CN2012/078009 2011-12-15 2012-07-02 蓄热换热芯及换热方法 WO2013086853A1 (zh)

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