CN114277946A - High-rise building heat-insulation external wall construction method and heat-insulation method - Google Patents
High-rise building heat-insulation external wall construction method and heat-insulation method Download PDFInfo
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- CN114277946A CN114277946A CN202111428520.9A CN202111428520A CN114277946A CN 114277946 A CN114277946 A CN 114277946A CN 202111428520 A CN202111428520 A CN 202111428520A CN 114277946 A CN114277946 A CN 114277946A
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- 238000009413 insulation Methods 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 27
- 239000012782 phase change material Substances 0.000 claims description 26
- 230000008859 change Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 5
- 239000012774 insulation material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- 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
- Y02E10/47—Mountings or tracking
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- 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
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a high-rise building heat-insulation outer wall construction method and a heat-insulation method, which can improve the heat-insulation performance of a high-rise building. The construction method comprises the following steps: step 10), cleaning an inner wall; step 20) installing a shell on the inner wall; and step 30) installing an outer wall body on the outer side of the shell, and arranging a photovoltaic panel on the surface of the outer wall body.
Description
Technical Field
The invention relates to the field of buildings, in particular to a construction method and a heat preservation method for a heat preservation outer wall of a high-rise building.
Background
For high-rise buildings, the heat insulation efficiency is poor due to the high height. The existing building external wall is insulated, and the external wall is usually filled with an insulation material. And (4) insulating the wall by using an insulating material. Most of the existing heat insulation materials are made of materials with heat insulation performance. Because the external environment temperature changes greatly, the heat insulation effect is difficult to achieve only by using the heat insulation material for heat insulation. Meanwhile, for high-rise buildings, the heat insulation material is fixed in the wall body, and the situations of good local heat insulation performance and poor local heat insulation performance may occur.
Disclosure of Invention
The technical problem is as follows: the technical problem to be solved by the invention is as follows: the high-rise building heat-insulation outer wall construction method and the heat-insulation method can improve the heat-insulation performance of the high-rise building.
The technical scheme is as follows: in order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:
the embodiment provides a construction method of a heat-insulating outer wall of a high-rise building, which comprises the following steps:
step 10), cleaning an inner wall;
step 20) installing a shell on the inner wall;
and step 30) installing an outer wall body on the outer side of the shell, and arranging a photovoltaic panel on the surface of the outer wall body.
As a preferred example, the step 10) includes:
leveling the outer surface of the inner wall body and removing ash;
and (4) drilling holes in the inner wall body, and fixing the first air pipe and the second air pipe on the inner wall body through the holes.
As a preferred example, the shell comprises a body, and a first partition plate and a second partition plate which are positioned in the body, wherein a first closed space is formed between the first partition plate and the body, an air inlet channel is formed between the first partition plate and the second partition plate, and an air outlet channel is formed between the second partition plate and the body; the air inlet channel is communicated with the air outlet channel, and the phase change material layer is located in the first space.
Preferably, in the step 20), the shell is connected to the inner wall through a fastening piece, one end of the first air pipe is communicated with the indoor space, and the other end of the first air pipe is communicated with the air inlet channel; one end of the second air pipe is communicated with the indoor space, and the other end of the second air pipe is communicated with the air outlet channel.
As a preferred example, a certain gap is formed between the top end of the second clapboard and the top end of the body, and the second clapboard is communicated with the air inlet channel and the air outlet channel; and the bottom end and the side part of the second clapboard are respectively and fixedly connected with the body.
Preferably, the shell is annular and is distributed on the whole inner wall.
As a preferable example, in the step 30), the photovoltaic panel is connected to the first separator through a resistance wire.
The embodiment of the invention also provides a heat insulation method of the heat insulation outer wall of the high-rise building, which comprises the following steps:
step 10) heating the first partition plate, wherein the heated first partition plate transfers heat to the phase change material layer and air in the air inlet channel, and the phase change material layer performs phase change to store heat;
and 20) transferring heat from the air heated in the air inlet channel to the air in the air outlet channel, and preserving heat of the high-rise building.
As a preferable example, in the step 10), the photovoltaic panel is used for absorbing external sunlight to convert light energy into electric energy; the photovoltaic panel is connected with the first clapboard through the resistance wire, the electric energy is transmitted to the first clapboard, and the first clapboard is heated.
As a preferred example, the heat insulation method for the heat insulation outer wall of the high-rise building further comprises the following steps of 30): opening a first air pipe and a second air pipe, and sucking indoor air into an air inlet channel through the first air pipe by a fan; the air in the air inlet channel has the temperature increased due to the heat released by the phase change material layer; the air after temperature rise flows into the air outlet channel from the air inlet channel and enters the room through the second air pipe.
Has the advantages that: compared with the prior art, the construction method and the heat preservation method for the heat preservation outer wall of the high-rise building provided by the embodiment of the invention can improve the heat preservation performance of the high-rise building. The high-rise building heat-insulation exterior wall construction method of the embodiment comprises the following steps: step 10), cleaning an inner wall; step 20) installing a shell on the inner wall; and step 30) installing an outer wall body on the outer side of the shell, and arranging a photovoltaic panel on the surface of the outer wall body. According to the construction method of the high-rise building heat-insulation outer wall, the shell is arranged between the inner wall body and the outer wall body, and heat insulation of the high-rise building is achieved. The high-rise building is higher. The embodiment utilizes the diffusion of heat in the gas to realize the heat preservation of the shell. Meanwhile, the inner wall body and the outer wall body have a certain heat insulation function, and the heat insulation of the whole high-rise building is realized by combining the heat insulation of the shell.
Drawings
FIG. 1 is a flow chart of a method of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a building in an embodiment of the invention;
fig. 3 is a front view of a building in an embodiment of the invention.
The figure shows that: the solar energy heat collecting wall comprises an inner wall body 1, a shell 2, a body 201, a first partition plate 202, a second partition plate 203, an air inlet channel 204, an air outlet channel 205, a phase change material layer 3, an outer wall body 4, a photovoltaic panel 5, a first air pipe 6 and a second air pipe 7.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 3, the method for constructing a heat-insulating exterior wall of a high-rise building of the present embodiment includes:
step 10), cleaning the inner wall 1;
step 20) installing a shell 2 on the inner wall 1;
and 30) installing an outer wall body 4 on the outer side of the shell 2, and arranging a photovoltaic panel 5 on the surface of the outer wall body 4.
The construction method of the heat-insulating outer wall of the high-rise building in the embodiment. The heat preservation of the high-rise building is realized by installing the shell 2 between the inner wall body 1 and the outer wall body 4. The high-rise building is higher. The embodiment utilizes the diffusion of heat in the gas to realize the heat preservation of the shell 2. Meanwhile, the inner wall body 1 and the outer wall body 4 have a certain heat insulation function, and the heat insulation of the whole high-rise building is realized by combining the heat insulation of the shell 2.
Preferably, the step 10) includes: leveling the outer surface of the inner wall body 1 and cleaning ash; a hole is drilled in the inner wall body 1, and the first air pipe 6 and the second air pipe 7 are fixed on the inner wall body 1 through the hole. The outer surface of the inner wall body 1 is shoveled and cleaned, and the outer surface of the inner wall body 1 is kept flat, so that the shell 2 can be installed on the basis of the same reference after being installed on the inner wall body 1, and the installed shell 2 is kept flat. The first air pipe 6 serves as an air intake pipe from the room into the intake passage 204. The second gas pipe 7 serves as a gas outlet pipe from the gas outlet passage 205 into the chamber. The first gas pipe 6 and the second gas pipe 7 are provided to achieve an increase in the indoor temperature by using the high-temperature gas in the casing 2.
Preferably, as shown in fig. 2, the housing 2 includes a body 201, and a first partition plate 202 and a second partition plate 203 located in the body 201, wherein a first sealed space is formed between the first partition plate 202 and the body 201, an air inlet channel 204 is formed between the first partition plate 202 and the second partition plate 203, and an air outlet channel 205 is formed between the second partition plate 203 and the body 201; the inlet channel 204 and the outlet channel 205 are communicated, and the phase change material layer 3 is located in the first space.
In this preferred embodiment, when sunlight is present in the daytime, the photovoltaic panel 5 absorbs external sunlight to convert the light energy into electric energy. The photovoltaic panel 5 is connected with the first clapboard 202 through a resistance wire, and electric energy is transferred to the first clapboard 202 to heat the first clapboard 20. Preferably, the first separator 202 is made of metal. This facilitates heat transfer. The heated first partition plate 20 transfers heat to the phase change material layer 3. The phase-change material layers 3 absorb and store heat, change phase to liquid state until all the phase-change material layers 3 are changed into liquid state or solar mountain-falling. The heated first partition plate 20 transfers heat to the air in the intake passage in addition to the phase change material layer 3, and heats the air. Because the air inlet channel is communicated with the air outlet channel, the air in the air inlet channel is heated, and then the air in the air outlet channel is heated. When there is no sunlight at night, the phase change material layer 3 in a liquid state releases heat, heating the air in the intake passage. The phase change material layer 3 changes phase to a solid state. In this embodiment, the inlet channel 204 and the outlet channel 205 are communicated so that the gas in the channels can flow at different heights throughout the building. Thus, in the building wall of the present embodiment, heat insulation is achieved not only by the inner wall 1 and the outer wall 4 but also by the housing 2. The shell 2 is provided with a phase change material layer 3 which releases or absorbs heat and keeps the wall body at a proper temperature. Meanwhile, because high-rise buildings are generally larger than 100 meters, the temperature of the bottom layer and the top layer of the whole building body is similar by the air flow in the shell 2 through the air inlet channel 204 and the air outlet channel 205. When air flows in the inlet channel 204 and the outlet channel 205, the air is mixed sufficiently, so that the temperatures of the air and the outlet channel are similar.
Preferably, in the step 20), the housing 2 is connected to the inner wall through a fastening member, one end of the first air pipe 6 is communicated with the indoor space, and the other end of the first air pipe 6 is communicated with the air inlet passage 204; one end of the second air tube 7 is communicated with the room, and the other end of the second air tube 7 is communicated with the air outlet channel 205. Rooms in the building can be connected with a first air pipe 6 and a second air pipe 7. Thus, when the indoor temperature is low and needs to be raised, the first air pipe 6 and the second air pipe 7 are opened, and the blower sucks the indoor air into the air inlet passage 204 through the first air pipe 6. In the intake passage 204, the temperature of the air rises due to heat released from the phase change material layer. Air flows from the inlet channel 204 into the outlet channel 205 and enters the room through the second air duct 7. This achieves heat exchange between the indoor air and the air in the casing 2. In order to conveniently control the first air pipe 6 and the second air pipe 7, valves are respectively arranged on the first air pipe 6 and the second air pipe 7. The opening or closing of the first and second air tubes 6 and 7 is controlled by a valve.
Preferably, a certain gap is formed between the top end of the second partition plate 203 and the top end of the body 201, and the gap is communicated with an air inlet channel and an air outlet channel; the bottom end and the side part of the second clapboard 203 are respectively fixedly connected with the body 201. The gas in the inlet channel flows upward through the gap between the top of the second separator 203 and the top of the body 201 into the outlet channel. The inlet channel only flows into the outlet channel from the gap, and cannot enter the outlet channel from other places. Therefore, only one channel is communicated with the gas outlet channel and the gas inlet channel, and gas can be fully mixed in the flowing process, so that the temperature balance is realized.
In order to enhance the heat preservation effect of the whole high-rise building, preferably, the shell 2 is annular and is fully distributed on the whole inner wall body 1. The housing 2 is laid around a high-rise building. For buildings, there are both sunny and shady facing walls. The shell 2 is arranged around a high-rise building, so that all the walls of the high-rise building can be insulated. This is because the phase change material layers 3 are connected to each other, and when a phase change occurs in a part of the phase change material layers 3, the temperature of other surrounding phase change material layers 3 is necessarily affected.
Preferably, as shown in fig. 3, in the step 30, the photovoltaic panel 5 is connected to the first spacer 202 through a resistance wire. The photovoltaic panel 5 is attached to the sun facing surface of the outer wall 4. The photovoltaic panel 5 absorbs solar heat, converts the heat into electric energy, and heats the first separator 202.
The embodiment also provides a heat insulation method for the heat insulation outer wall of the high-rise building, which comprises the following steps:
step 10) the first partition plate 202 is heated, the heated first partition plate 202 transfers heat to the phase change material layer 3 and the air in the air intake passage 204, and the phase change material layer 3 undergoes phase change to store heat. Preferably, the photovoltaic panel 5 is used for absorbing external sunlight to convert light energy into electric energy; the photovoltaic panel 5 is connected with the first partition board 202 through a resistance wire, and electric energy is transmitted to the first partition board 202 to heat the first partition board 202. In this step, the first separator 202 is heated by using external natural resources.
And 20) transferring heat from the air heated in the air inlet channel 204 to the air in the air outlet channel 205 to preserve heat of the high-rise building.
In this embodiment, the building is insulated with the heated gas. Because set up the second baffle, form twice gas barrier, keep warm to the building. When the gas temperature drops, the phase change material layer 3 releases heat to heat the gas, so that the long-time heat preservation of the building is realized. In the embodiment, the building is insulated by utilizing the properties of easy flowing and easy diffusion of gas. In this embodiment, the second separator separates inlet channel 204 and outlet channel 205, and inlet channel 204 and outlet channel 205 communicate over the top of the second separator. The gas temperature is uniform by means of upward diffusion of the gas in the gas inlet channel 204 and downward diffusion of the gas in the gas outlet channel 205.
Preferably, the heat insulation method for the heat insulation outer wall of the high-rise building further comprises the following step 30): opening the first air pipe 6 and the second air pipe 7, and sucking indoor air into the air inlet channel 204 through the first air pipe 6 by the fan; in the intake passage 204, the temperature of the air rises due to heat released from the phase change material layer; the air after temperature rise flows from the air inlet channel 204 into the air outlet channel 205, and enters the room through the second air pipe 7. The indoor temperature is adjusted by the first air pipe 6 and the second air pipe 7. The phase change material layer releases heat, and the indoor temperature is adjusted. The fan can be installed on the second air pipe 7, and generates negative pressure to the second air pipe 7, so that air flow is realized.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to further illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is also intended to be covered by the appended claims. The scope of the invention is defined by the claims and their equivalents.
Claims (10)
1. A construction method of a heat-insulating outer wall of a high-rise building is characterized by comprising the following steps: step 10), cleaning an inner wall body (1);
step 20), installing a shell (2) on the inner wall body (1);
and step 30) installing an outer wall body (4) on the outer side of the shell (2), and arranging a photovoltaic panel (5) on the surface of the outer wall body (4).
2. The construction method of the heat-insulating outer wall of the high-rise building according to claim 1, wherein the step 10) comprises:
leveling the outer surface of the inner wall body (1) and removing ash;
and (3) drilling holes on the inner wall body (1), and fixing the first air pipe (6) and the second air pipe (7) on the inner wall body (1) through the holes.
3. The construction method of the heat-insulating outer wall of the high-rise building according to claim 2, wherein the shell (2) comprises a body (201), and a first clapboard (202) and a second clapboard (203) which are positioned in the body (201), a first closed space is formed between the first clapboard (202) and the body (201), an air inlet channel (204) is formed between the first clapboard (202) and the second clapboard (203), and an air outlet channel (205) is formed between the second clapboard (203) and the body (201); the gas inlet channel (204) is communicated with the gas outlet channel (205), and the phase change material layer (3) is positioned in the first space.
4. The construction method of the heat-insulating outer wall of the high-rise building according to claim 3, wherein in the step 20), the shell (2) is connected to the inner wall through a fastener to communicate one end of the first air pipe (6) with the room, and the other end of the first air pipe (6) is communicated with the air inlet passage (204); one end of the second air pipe (7) is communicated with the indoor, and the other end of the second air pipe (7) is communicated with the air outlet channel (205).
5. The construction method of the heat-insulating outer wall of the high-rise building according to claim 3, wherein a certain gap is formed between the top end of the second clapboard (203) and the top end of the body (201) and is communicated with an air inlet channel and an air outlet channel; the bottom end and the side part of the second clapboard (203) are respectively and fixedly connected with the body (201).
6. The construction method of the heat-insulating outer wall of the high-rise building according to claim 1, wherein the shell (2) is annular and is distributed over the whole inner wall (1).
7. The construction method of the heat-insulating outer wall of the high-rise building according to claim 3, wherein in the step 30), the photovoltaic panel (5) is connected with the first partition plate (202) through a resistance wire.
8. A heat insulation method for a heat insulation outer wall of a high-rise building is characterized by comprising the following steps:
step 10) heating the first partition plate (202), wherein the heated first partition plate (202) transfers heat to the phase change material layer (3) and air in the air inlet channel (204), and the phase change material layer (3) is subjected to phase change to store heat;
and 20) transferring heat from the air heated in the air inlet channel (204) to the air in the air outlet channel (205) to preserve heat of the high-rise building.
9. The heat insulation method for the heat insulation outer wall of the high-rise building according to claim 8, wherein in the step 10), the photovoltaic panel (5) is used for absorbing external sunlight to convert light energy into electric energy; the photovoltaic panel (5) is connected with the first clapboard (202) through a resistance wire, electric energy is transferred to the first clapboard (202), and the first clapboard (202) is heated.
10. The method for insulating a thermal insulation exterior wall of a high-rise building according to claim 8, further comprising the step of 30):
opening a first air pipe (6) and a second air pipe (7), and sucking indoor air into an air inlet channel (204) through the first air pipe (6) by a fan; the temperature of the air in the air inlet channel (204) is increased due to heat released by the phase change material layer; the air after temperature rise flows into the air outlet channel (205) from the air inlet channel (204) and enters the room through the second air pipe (7).
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