CN109853775B - Modularized wall enclosure structure - Google Patents

Modularized wall enclosure structure Download PDF

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Publication number
CN109853775B
CN109853775B CN201910199035.5A CN201910199035A CN109853775B CN 109853775 B CN109853775 B CN 109853775B CN 201910199035 A CN201910199035 A CN 201910199035A CN 109853775 B CN109853775 B CN 109853775B
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wall
heat exchange
buried pipe
enclosure
pipe
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CN109853775A (en
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律宝莹
杨洋
陈萨如拉
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Tianjin University of Commerce
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Tianjin University of Commerce
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Building Environments (AREA)
  • Finishing Walls (AREA)

Abstract

The invention discloses a modularized wall enclosure structure, and aims to provide a wall enclosure structure capable of realizing modularized production, construction and installation so as to greatly reduce the operation and maintenance difficulties of the building enclosure structure and improve the economy of a heat-activated building technology. The wall body comprises a wall body base body, wherein fluid inlet and outlet connecting pipe connecting holes are formed in the connecting end faces of the upper end and the lower end of the wall body base body; the wall body base body is internally provided with a heat exchange system consisting of a plurality of heat exchange units, and each heat exchange unit comprises a wall buried pipe arranged in the wall body base body and a heat conduction fixing layer wrapped outside the wall buried pipe; the wall buried pipes of the heat exchange units are mutually communicated to form a fluid circulation flow passage, and are communicated with an external pipeline through fluid inlet and outlet connecting pipe connecting holes, and fluid heat exchange media are arranged in the fluid circulation flow passage. The building enclosure can be maintained without damaging the building wall, and the difficulty and cost of operation, maintenance and construction are reduced.

Description

Modularized wall enclosure structure
Technical Field
The invention relates to the technical field of building energy conservation, in particular to a modularized heat-activated wall enclosure structure.
Background
Reducing heat loss of the building envelope itself is one of the key measures to reduce building energy consumption. In this context, active heat activated buildings are increasingly emerging both at home and abroad. The technology mainly comprises the steps of embedding a fluid pipeline in a building enclosure structure, driving heat-carrying or cold-carrying medium to circularly flow in the fluid pipeline through mechanical equipment such as a water pump and the like, and utilizing the characteristics of small temperature difference and large area heat transfer between the embedded pipe and a wall maintenance structure to obtain better heat transfer and energy saving effects, so that the aim of reducing the energy consumption of the building enclosure structure is finally achieved.
Currently, the mainstream design and construction of active heat activated buildings is still to embed fluid pipelines in the bearing layer of the building at the early stage of building construction, or to arrange special pipe embedding layers in the middle of the building envelope so as to embed the fluid pipelines. Whether the fluid pipeline is embedded in the bearing layer or the embedded pipe is added in the pipe embedding layer, the embedded fluid pipeline and the building wall body are integrated, so that the wall body is required to be damaged and disassembled in the later operation and maintenance process, the operation and maintenance difficulty is increased, and the cost of the building in the whole life cycle is increased.
Disclosure of Invention
The invention aims at overcoming the technical defects in the prior art, and provides a wall body enclosure structure capable of realizing modularized production and construction and installation, so that the operation and maintenance difficulty of the building enclosure structure is greatly reduced, and the economy of a heat-activated building technology is improved.
The technical scheme adopted for realizing the purpose of the invention is as follows:
a modularized wall enclosure structure comprises a wall body base body, wherein fluid inlet and outlet connecting pipe connecting holes are respectively formed in the connecting end faces of the upper end and the lower end of the wall body base body; a heat exchange system consisting of a plurality of heat exchange units is arranged in the wall body base body, and each heat exchange unit comprises a wall buried pipe arranged in the wall body base body and a heat conduction fixing layer wrapped outside the wall buried pipe; the positions corresponding to the two ends of the wall buried pipe in each heat exchange unit are respectively provided with a mounting cavity, and the mounting cavities are opened at the outer side of the wall body matrix; the wall buried pipes of the heat exchange units are mutually communicated to form a fluid circulation flow channel, the fluid circulation flow channel is communicated with an external pipeline through the fluid inlet and outlet connecting pipe connecting hole, and the fluid circulation flow channel is filled with fluid heat exchange medium.
The wall body matrix is internally reserved with a wall-buried pipe placing cavity, two ends of the wall-buried pipe placing cavity are respectively opened in the corresponding installation cavities, the wall-buried pipe and the heat conduction fixing layer wrapped outside the wall-buried pipe are arranged in the wall-buried pipe placing cavity, and a filling hole is formed at the joint of the wall-buried pipe placing cavity and the corresponding installation cavity.
The heat conduction fixing layer is made of phase change material or phase change material added with metal powder or metal wire clusters.
The filler baffle is arranged at the filler pouring hole and consists of a first filler baffle and a second filler baffle which are matched.
The wall body matrix is any one of a concrete material, a rammed earth wall, a brick wall or a color steel house.
The outside of the wall body matrix is provided with an insulating layer and an external plastering layer.
The heat conduction fixing layer is made of fine sand, sand stone, metal wire clusters or soil, or: the heat conduction fixing layer is made of any one of fine sand, sand stone and soil added with metal powder, graphite or metal wire clusters.
Connecting pipe through holes are reserved between the same side mounting cavities of adjacent heat exchange units, and connecting pipes at two ends of adjacent wall buried pipes penetrate through the connecting pipe through holes to realize connection of the adjacent wall buried pipes.
The aperture of the filling hole is 1.5-4 times of the pipe diameter of the wall buried pipe.
The gradient of the wall embedded pipe along the flowing direction ranges from-0.5% to-5.0%.
Compared with the prior art, the invention has the beneficial effects that:
1. the wall enclosure structure adopts a modularized design, and the installation cavity and the wall buried pipe placing cavity are reserved, so that maintenance operation can be realized without damaging and disassembling the building wall in the later maintenance process, the operation and maintenance are convenient, and the operation and maintenance difficulty and the cost are reduced.
2. The wall enclosure structure is convenient to construct, operate and maintain, and the construction and installation can be carried out without time limitation only by reserving the wall buried pipe laying cavity and the installation cavity during the construction period of the building, so that the flexibility of the construction and installation is improved; the operation and maintenance only need to remove the local heat-insulating layer and the plastering layer, so that the whole building enclosure structure is not damaged, the safety of the concrete heat-activated building is improved, and the generation of building rubbish is greatly reduced; modular design, installation and disassembly provide the possibility for recycling and reuse of building materials.
3. The wall enclosure structure adopts a modularized design, and provides feasibility for user household installation and metering.
4. The modularized wall enclosure structure simplifies the construction process and is beneficial to reducing the construction cost.
5. In the modularized wall enclosure structure, the heat conduction fixing layer adopts the phase change material with the energy storage function or the phase change material added with metal powder or metal wire clusters, so that the heat energy can be stored and reused.
Drawings
FIG. 1 is a schematic view of a modular concrete heat activated wall enclosure of the present invention;
FIG. 2 is a top view of a modular concrete heat activated wall enclosure of the present invention;
FIG. 3 is a cross-sectional view of a modular concrete heat activated wall enclosure of the present invention;
FIG. 4 is a cross-sectional view of a modular concrete heat activated wall enclosure B-B according to the present invention;
fig. 5 shows a schematic view of a wall borehole installation.
Detailed Description
The invention will be described in detail below with reference to the drawings and the specific embodiments.
The schematic diagram of the modularized wall enclosure structure is shown in fig. 1-5, and comprises a wall body base body 1, wherein fluid inlet and outlet connecting pipe connecting holes 5 are respectively arranged on the connecting end surfaces of the upper end and the lower end of the wall body base body 1. And a heat exchange system consisting of a plurality of heat exchange units is arranged in the wall body base body. Each heat exchange unit comprises a wall buried pipe 8 arranged in the wall body substrate 1 and a heat conduction fixing layer 9 wrapped outside the wall buried pipe 8. The heat conducting fixing layer 9 is used for conducting heat of the wall buried pipe 8 and has a supporting effect on the wall buried pipe 8. And the positions corresponding to the two ends of the wall buried pipe 8 in each heat exchange unit are respectively provided with an installation cavity 6, and the installation cavities 6 are opened at the outer side of the wall body matrix 1. The wall buried pipes 8 of the heat exchange units are mutually communicated to form a fluid circulation flow channel, and are communicated with an external pipeline through the fluid inlet and outlet connecting pipe connecting holes, and fluid heat exchange media are filled in the fluid circulation flow channel.
The heat conducting fixing layer and the wall buried pipe can adopt a combination structure in various modes. In this embodiment, the heat-conducting fixing layer is made of filler material, and the filler material coats the wall buried pipe in a pouring manner. The concrete setting mode of the wall buried pipe is as follows: the wall body matrix 1 is internally reserved with a wall-buried pipe placing cavity, two ends of the wall-buried pipe placing cavity are respectively opened in the corresponding installation cavity 6, the wall-buried pipe 8 and the heat conduction fixing layer 9 wrapped outside the wall-buried pipe are arranged in the wall-buried pipe placing cavity, and a filler filling hole 4 is formed at the joint of the wall-buried pipe placing cavity and the corresponding installation cavity. And filling the filler into the outside of the wall buried pipe through the filler filling holes to form a heat conduction fixing layer. In order to prevent the flow of the filler, a filler baffle is installed at the filler pouring hole 4, and the filler baffle is composed of a first filler baffle 10 and a second filler baffle 11 which are matched.
The heat conduction fixing layer can be made of fine sand, sand stone, metal wire clusters or soil, or: the heat conduction fixing layer is made of any one of fine sand, sand stone and soil added with metal powder, graphite or metal wire clusters. In order to realize the energy storage function, the heat conduction fixing layer can also be a phase change material or a phase change material added with metal powder or metal wire clusters.
The wall body matrix adopts different materials according to the use requirement. In this embodiment, the wall body 1 is preferably made of concrete. When the concrete material is adopted, the heat preservation layer 2 and the external plastering layer 3 are arranged outside the wall body matrix 1. The heat-conducting fixing layer can also be used for ramming earth walls, brick walls, and light building envelope structures such as color steel plates with phase-change materials.
Connecting pipe through holes 7 are reserved between the same side mounting cavities 6 of adjacent heat exchange units, connecting pipes at two ends of adjacent wall buried pipes 8 penetrate through the connecting pipe through holes 7, and the adjacent wall buried pipes are communicated to form a fluid circulation flow channel. The wall burial may be in a serpentine or parallel flow conduit arrangement.
The wall buried pipe is a bendable pipeline. The wall buried pipe 8 is preferably a bendable metal pipeline such as a copper pipe or a corrugated pipe, or a nonmetal pipeline such as a PE pipe or an aluminum plastic pipe, and the equivalent pipe diameter range is 5-25mm, and the pipe spacing range is 100-300 mm.
For smooth flow, the wall borehole 8 has a slope in the flow direction in the range of-0.5% to-5.0%.
For the convenience of installation and operation and maintenance, the aperture of the filler pouring hole 4 is 1.5-4 times of the pipe diameter of the wall buried pipe 8.
The fluid heat exchange medium filled in the fluid circulation flow channel can adopt a phase change or non-phase change working medium, wherein the working medium is preferably a phase change working medium and can be alcohols (such as ethanol, acetone and the like), refrigerants for air conditioning (such as R22, R74a, R410a and the like) or natural working media (such as water, carbon dioxide and the like); if the working medium is non-phase-change working medium, the working medium can be water or oil added with antifreezing agent.
The mounting and construction mode of the modularized wall enclosure structure is as follows: firstly, a wall buried pipe placing cavity, a fluid inlet and outlet connecting pipe connecting hole 5, a mounting cavity 6 and a connecting pipe through hole 7 are reserved before a concrete layer is poured. On the basis, firstly, the wall buried pipe 8 is put into a wall buried pipe placing cavity in the wall body base body 1 through a side mounting cavity 6 and a filler pouring hole 4, and a first filler baffle 10 and a second filler baffle 11 are sequentially fixed in the mounting cavities 6 at the left side and the right side of the side filler pouring hole 4 by fixing screws 12. And filling the filler into the filler filling hole 4 through the mounting cavity at the other side, and mounting and fixing the first filler baffle 10 and the second filler baffle 11 in the mounting cavity at the other side of the filler filling hole 4 by using the fixing screws 12 again, wherein the filler forms a heat conduction fixing layer for cladding the wall buried pipe. Each heat exchange unit is installed in turn according to the above procedure. After all the heat exchange units are installed, the wall buried pipes of each heat exchange unit are connected through connecting pipes to form a fluid circulation flow channel, and finally, connecting pipelines penetrating through the fluid inlet connecting pipe connecting holes and the fluid outlet connecting pipe connecting holes are connected with fluid circulation channels of other modularized wall enclosure structures or connected with external pipelines to complete the installation of the system. Finally, an insulation layer 2 and an outer plastering layer 3 are sequentially arranged on the outer side of the wall body matrix 1. When the building is finished, the wall buried pipe system is required to be overhauled, and overhauling work on the wall buried pipe system to different degrees can be finished by only removing the local heat insulation layer 2 and the external plastering layer 3 outside the installation cavity 6 and sequentially removing the filler baffle and the filler.
In conclusion, the modularized concrete heat activated wall enclosure structure is based on modularized design and installation construction, so that the complexity of wall buried pipe building technology, installation construction and operation maintenance work is greatly reduced, and further popularization and application of the wall buried pipe building enclosure structure can be greatly promoted.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (9)

1. The modularized wall enclosure structure is characterized by comprising a wall body base body, wherein fluid inlet and outlet connecting pipe connecting holes are respectively formed in the connecting end faces of the upper end and the lower end of the wall body base body; a heat exchange system consisting of a plurality of heat exchange units is arranged in the wall body base body, and each heat exchange unit comprises a wall buried pipe arranged in the wall body base body and a heat conduction fixing layer wrapped outside the wall buried pipe; the positions corresponding to the two ends of the wall buried pipe in each heat exchange unit are respectively provided with a mounting cavity, and the mounting cavities are opened at the outer side of the wall body matrix; the wall buried pipes of the heat exchange units are mutually communicated to form a fluid circulation flow channel, and are communicated with an external pipeline through the fluid inlet and outlet connecting pipe connecting holes, and the fluid circulation flow channel is filled with fluid heat exchange medium; a wall buried pipe placing cavity is reserved in the wall body matrix, two ends of the wall buried pipe placing cavity are respectively opened in the corresponding mounting cavities, the wall buried pipe and a heat conduction fixing layer wrapped outside the wall buried pipe are placed in the wall buried pipe placing cavity, and a filling hole is formed at the joint of the wall buried pipe placing cavity and the corresponding mounting cavity; a filler baffle is arranged at the filler pouring hole and consists of a first filler baffle and a second filler baffle which are matched with each other; the wall buried pipe is a bendable pipeline.
2. The modular wall enclosure of claim 1, wherein the thermally conductive securing layer is a phase change material.
3. The modular wall enclosure of claim 2, wherein the thermally conductive securing layer is a phase change material with added metal powder or wire clusters.
4. The modular wall enclosure of claim 1, wherein the wall substrate is any one of a concrete material, a rammed earth wall, a brick wall, or a painted steel house.
5. The modular wall enclosure of claim 1, wherein the wall substrate is externally provided with a thermal insulation layer and an exterior render layer.
6. The modular wall enclosure of claim 1, wherein the thermally conductive securing layer is made of fine sand, wire clusters, or soil, or: the heat conduction fixing layer is made of any one of fine sand, sand stone and soil added with metal powder, graphite or metal wire clusters.
7. The modular wall enclosure of claim 1, wherein connecting pipe through holes are reserved between the same side mounting cavities of adjacent heat exchange units, and connecting pipes at two ends of adjacent wall buried pipes penetrate through the connecting pipe through holes to realize connection of the adjacent wall buried pipes.
8. The modular wall enclosure of claim 1, wherein the filler pour hole has a pore size of 1.5-4 times the wall borehole diameter.
9. The modular wall enclosure of claim 1, wherein the slope of the wall burial in the direction of flow ranges from-0.5% to-5.0%.
CN201910199035.5A 2019-03-15 2019-03-15 Modularized wall enclosure structure Active CN109853775B (en)

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CN109853775B true CN109853775B (en) 2023-12-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922383B (en) * 2021-01-29 2022-02-18 安徽建筑大学 Thermal barrier structure for energy-saving updating and reconstruction of external protective structure of existing building
CN112922188A (en) * 2021-01-29 2021-06-08 安徽建筑大学 Multifunctional light color steel sandwich plate component for assembly type steel structure building and use method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0757136A1 (en) * 1995-08-01 1997-02-05 HOESCH SIEGERLANDWERKE GmbH Sandwich panel-type for construction of heat isolated supporting walls, roofs and floors
US6152377A (en) * 1992-06-30 2000-11-28 Fiedrich; Joachim Radiant floor and wall hydronic heating system tubing attachment to radiant plate
CN1726374A (en) * 2002-12-19 2006-01-25 三菱化学产资株式会社 Heat dissipating unit for floor heating system
KR20110074491A (en) * 2010-07-20 2011-06-30 윤선영 Panel for heating
CN106351356A (en) * 2016-09-20 2017-01-25 上海理工大学 Capillary tube phase change insulation part, building wall comprising same and building
CN108385873A (en) * 2018-03-16 2018-08-10 北方工业大学 Partition wall and heating system of embedded radiation heating pipeline
CN210086549U (en) * 2019-03-15 2020-02-18 天津商业大学 Modular wall enclosure structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6152377A (en) * 1992-06-30 2000-11-28 Fiedrich; Joachim Radiant floor and wall hydronic heating system tubing attachment to radiant plate
EP0757136A1 (en) * 1995-08-01 1997-02-05 HOESCH SIEGERLANDWERKE GmbH Sandwich panel-type for construction of heat isolated supporting walls, roofs and floors
CN1726374A (en) * 2002-12-19 2006-01-25 三菱化学产资株式会社 Heat dissipating unit for floor heating system
KR20110074491A (en) * 2010-07-20 2011-06-30 윤선영 Panel for heating
CN106351356A (en) * 2016-09-20 2017-01-25 上海理工大学 Capillary tube phase change insulation part, building wall comprising same and building
CN108385873A (en) * 2018-03-16 2018-08-10 北方工业大学 Partition wall and heating system of embedded radiation heating pipeline
CN210086549U (en) * 2019-03-15 2020-02-18 天津商业大学 Modular wall enclosure structure

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