CN114277946B - Construction method and heat preservation method for heat preservation outer wall of high-rise building - Google Patents
Construction method and heat preservation method for heat preservation outer wall of high-rise building Download PDFInfo
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- CN114277946B CN114277946B CN202111428520.9A CN202111428520A CN114277946B CN 114277946 B CN114277946 B CN 114277946B CN 202111428520 A CN202111428520 A CN 202111428520A CN 114277946 B CN114277946 B CN 114277946B
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- 238000004321 preservation Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 claims description 41
- 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 5
- 238000004080 punching Methods 0.000 claims description 3
- 238000011534 incubation Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 8
- 239000012071 phase Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000007791 liquid phase 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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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]
-
- 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
-
- 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
-
- 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
Abstract
The invention discloses a construction method and a heat preservation method for a heat preservation outer wall of a high-rise building, which can improve the heat preservation performance of the high-rise building. The construction method comprises the following steps: step 10), cleaning the inner wall; step 20), installing a shell on the inner wall; step 30), installing an outer wall body outside 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 preservation efficiency is poor due to the higher height. The existing building outer wall is insulated, and the outer wall is generally filled with insulation materials. And (5) insulating the wall body by using the 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 preservation material is only used for heat preservation, and good heat preservation effect is difficult to achieve. Meanwhile, for high-rise buildings, the heat-insulating material is fixed in the wall body, and the situation that the local heat-insulating performance is good and poor can occur.
Disclosure of Invention
Technical problems: the technical problems to be solved by the invention are as follows: the heat preservation method and the construction method for the heat preservation outer wall of the high-rise building can improve the heat preservation performance of the high-rise building.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the embodiment of the invention is as follows:
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 the inner wall;
step 20), installing a shell on the inner wall;
step 30), installing an outer wall body outside 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 punching holes on the inner wall body, and fixing the first air pipe and the second air pipe through holes on the inner wall body.
As a preferred example, the shell comprises a body, and a first partition board and a second partition board which are positioned in the body, wherein a sealed first space is formed between the first partition board and the body, an air inlet channel is formed between the first partition board and the second partition board, and an air outlet channel is formed between the second partition board and the body; the air inlet channel is communicated with the air outlet channel, and the phase change material layer is positioned in the first space.
In the step 20), the shell is connected to the inner wall body through a fastener, one end of the first air pipe is communicated with the room, 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 room, and the other end of the second air pipe is communicated with the air outlet channel.
As a preferable example, a certain gap is formed between the top end of the second partition plate and the top end of the body, and the second partition plate is communicated with the air inlet channel and the air outlet channel; the bottom end and the side part of the second partition plate are fixedly connected with the body respectively.
As a preferable example, the shell is annular and is distributed over the whole inner wall.
In a preferred embodiment, 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 preservation method of the heat preservation outer wall of the high-rise building, which comprises the following steps:
step 10) heating the first partition board, and transmitting heat to the phase-change material layer and air in the air inlet channel by the heated first partition board, wherein the phase-change material layer generates phase change to store heat;
step 20), the air heated in the air inlet channel transfers heat to the air in the air outlet channel to insulate the high-rise building.
As a preferred example, in the step 10), the photovoltaic panel absorbs external sunlight to convert the light energy into electric energy; the photovoltaic panel is connected with the first partition board through the resistance wire, transmits electric energy to the first partition board, and heats the first partition board.
As a preferable example, the heat preservation method of the heat preservation outer wall of the high-rise building further comprises the following step 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 is heated up due to the heat released by the phase change material layer; the heated air flows into the air outlet channel from the air inlet channel and enters the room through the second air pipe.
The beneficial effects are 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 can improve the heat preservation performance of the high-rise building. The construction method of the heat-insulating outer wall of the high-rise building in the embodiment comprises the following steps: step 10), cleaning the inner wall; step 20), installing a shell on the inner wall; step 30), installing an outer wall body outside the shell, and arranging a photovoltaic panel on the surface of the outer wall body. According to the construction method of the heat-insulating outer wall of the high-rise building, the heat insulation of the high-rise building is realized by installing the shell between the inner wall body and the outer wall body. The high-rise building is high. The heat preservation of the shell is realized by using the diffusion of heat in the gas. Meanwhile, the inner wall body and the outer wall body have 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 drawings are as follows: the solar energy collector comprises an inner wall body 1, a shell 2, a body 201, a first partition board 202, a second partition board 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 scheme of the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 3, the construction method of the heat-insulating outer wall of the high-rise building in this embodiment includes:
step 10) cleaning the inner wall 1;
step 20) installing the shell 2 on the inner wall 1;
step 30), an outer wall body 4 is arranged on the outer side of the shell 2, and a photovoltaic panel 5 is arranged on the surface of the outer wall body 4.
The construction method of the heat-insulating outer wall of the high-rise building is provided. By installing the shell 2 between the inner wall 1 and the outer wall 4, the heat preservation of the high-rise building is realized. The high-rise building is high. The present embodiment uses diffusion of heat in the gas to realize heat preservation of the housing 2. Meanwhile, the inner wall body 1 and the outer wall body 4 have certain heat insulation functions, 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; the inner wall 1 is perforated, and the first air pipe 6 and the second air pipe 7 are perforated and fixed on the inner wall 1. The outer surface of the inner wall body 1 is shoveled and ash is removed, the outer surface of the inner wall body 1 is kept flat, after the shell 2 is installed on the inner wall body 1, the shell 2 can be installed based on the same standard, and the installed shell 2 is kept flat. The first air pipe 6 serves as an air intake pipe from the room into the air intake passage 204. The second gas pipe 7 serves as a gas outlet pipe from the gas outlet channel 205 into the room. The first air pipe 6 and the second air pipe 7 are provided to raise the indoor temperature by using the high-temperature gas in the housing 2.
Preferably, as shown in fig. 2, the housing 2 includes a body 201, and a first partition 202 and a second partition 203 disposed in the body 201, wherein a sealed first space is formed between the first partition 202 and the body 201, an air inlet channel 204 is formed between the first partition 202 and the second partition 203, and an air outlet channel 205 is formed between the second partition 203 and the body 201; the inlet channel 204 communicates with the outlet channel 205, and the phase change material layer 3 is located in the first space.
In this preferred example, when sunlight is present in the daytime, the photovoltaic panel 5 absorbs external sunlight to convert light energy into electric energy. The photovoltaic panel 5 is connected to the first separator 202 by means of resistive wires, which transfer electrical energy to the first separator 202, heating the first separator 20. Preferably, the first separator 202 is made of metal. This facilitates heat transfer. The heated first separator 20 transfers heat to the phase change material layer 3. The phase change material layer 3 absorbs heat and stores heat, changes phase into liquid state until all the phase change material layers 3 become liquid state or the sun falls into mountains. The heated first separator 20 transfers heat to the phase change material layer 3 and also to the air in the intake passage, thereby heating the portion of the air. Because the air inlet channel is communicated with the air outlet channel, after the temperature of the air in the air inlet channel is raised, the temperature of the air in the air outlet channel is raised. When sunlight is not available at night, the liquid phase change material layer 3 releases heat to heat the air in the air intake passage. The phase change material layer 3 changes phase to solid state. In this embodiment, the inlet channel 204 and the outlet channel 205 communicate such that the gas in the channels can flow at different heights throughout the building. Thus, for the building wall of the present embodiment, heat preservation is achieved by the housing 2 in addition to heat preservation by the inner wall 1 and the outer wall 4. The shell 2 is provided with a phase change material layer 3 which releases or absorbs heat and keeps the wall at a proper temperature. Meanwhile, since the high-rise building is generally larger than 100 meters, by providing the air inlet channel 204 and the air outlet channel 205 in the housing 2, the heat preservation temperature of the bottom layer and the top layer of the whole building is similar by utilizing the flow of air therein. The air flows through the inlet channel 204 and the outlet channel 205 and is mixed sufficiently to have similar temperatures.
Preferably, in the step 20), the casing 2 is connected to the inner wall body through a fastener, so that one end of the first air pipe 6 is communicated with the room, and the other end of the first air pipe 6 is communicated with the air inlet channel 204; one end of the second air pipe 7 is communicated with the room, and the other end of the second air pipe 7 is communicated with the air outlet channel 205. The room 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 it is necessary to raise the indoor temperature, the first air duct 6 and the second air duct 7 are opened, and the blower sucks the indoor air into the air intake passage 204 through the first air duct 6. The air in the intake passage 204 increases in temperature due to the heat released by 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 housing 2. For the convenience of controlling 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 air pipe 6 and the second air pipe 7 is controlled by valves.
Preferably, a certain gap is formed between the top end of the second partition 203 and the top end of the body 201, and the air inlet channel and the air outlet channel are communicated; the bottom end and the side of the second partition 203 are fixedly connected with the body 201 respectively. The gas in the gas inlet passage flows upward through the gap between the top end of the second separator 203 and the top end of the body 201, and enters the gas outlet passage. 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 air outlet channel and the air inlet channel, and the air can be fully mixed in the flowing process, so that the temperature balance is realized.
In order to enhance the heat preservation effect on the whole high-rise building, preferably, the shell 2 is annular and is fully distributed on the whole inner wall 1. The housing 2 is arranged around a high-rise building. For buildings, there are facing walls facing the sun and also facing walls facing the yin. The shell 2 is arranged around the high-rise building, so that the heat preservation of each wall of the high-rise building can be realized. This is because the phase change material layers 3 are interconnected, and when a part of the phase change material layers 3 undergo a phase change, it is necessary to influence the temperature of other surrounding phase change material layers 3.
Preferably, as shown in fig. 3, in the step 30, the photovoltaic panel 5 is connected to the first separator 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 energy into electric energy, and heats the first separator 202.
The embodiment also provides a heat preservation method of the heat preservation outer wall of the high-rise building, which comprises the following steps:
step 10) the first separator 202 is heated, and the heated first separator 202 transfers heat to the phase change material layer 3 and the air in the air inlet channel 204, so that the phase change material layer 3 generates phase change to store heat. Preferably, the photovoltaic panel 5 absorbs external sunlight to convert light energy into electric energy; the photovoltaic panel 5 is connected to the first separator 202 through a resistance wire, and transmits electric energy to the first separator 202 to heat the first separator 202. In this step, the first separator 202 is heated by using external natural resources.
Step 20) the heated air in the air inlet channel 204 transfers heat to the air in the air outlet channel 205 to keep the high-rise building warm.
In this embodiment, the building is insulated with the warmed gas. Due to the arrangement of the second partition plate, two gas barriers are formed, and the heat preservation is carried out on the building. When the temperature of the gas is reduced, the phase change material layer 3 is utilized to release heat, so that the temperature of the gas is raised, and the long-time heat preservation of the building is realized. In the embodiment, the building is insulated by utilizing the property that the gas is easy to flow and diffuse. In this embodiment, the second partition separates the inlet channel 204 and the outlet channel 205, and the inlet channel 204 and the outlet channel 205 communicate above the top of the second partition. By using the upward diffusion of the gas in the gas inlet channel 204 and the downward diffusion in the gas outlet channel 205, the uniformity of the gas temperature is achieved.
Preferably, the heat preservation method of the heat preservation 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; air in the intake passage 204 increases its temperature due to the heat released by the phase change material layer; the warmed air flows from the air inlet passage 204 into the air outlet passage 205, and enters the room through the second air pipe 7. Through the first air pipe 6 and the second air pipe 7, the indoor temperature is adjusted. And the phase-change material layer is utilized to release heat, so that the indoor temperature is regulated. The fan can be arranged on the second air pipe 7 to generate negative pressure on the second air pipe 7 so as to realize gas flow.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the specific embodiments described above, and that the above specific embodiments and descriptions are provided for further illustration of the principles of the present invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims. The scope of the invention is defined by the claims and their equivalents.
Claims (5)
1. A construction and heat preservation method for heat preservation outer walls of high-rise buildings is characterized in that,
the construction method comprises the following steps:
step 10), cleaning the inner wall body (1); comprising the following steps: the outer surface of the inner wall body (1) is shoveled and ash is removed; punching holes on the inner wall body (1), and punching holes on the first air pipe (6) and the second air pipe (7) to fix the inner wall body (1);
step 20), installing a shell (2) on the inner wall body (1); the shell (2) comprises a body (201), and a first partition board (202) and a second partition board (203) which are positioned in the body (201), wherein a sealed first space is formed between the first partition board (202) and the body (201), an air inlet channel (204) is formed between the first partition board (202) and the second partition board (203), and an air outlet channel (205) is formed between the second partition board (203) and the body (201); the air inlet channel (204) is communicated with the air outlet channel (205), and the phase change material layer (3) is positioned in the first space;
step 30), an outer wall body (4) is arranged on the outer side of the shell (2), a photovoltaic plate (5) is arranged on the surface of the outer wall body (4), and the photovoltaic plate (5) is connected with a first partition board (202) through resistance wires;
the heat preservation method comprises the following steps:
step 10) heating the first partition board (202), wherein the heated first partition board (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) generates phase change to store heat;
the heating of the first separator (202) comprises: the photovoltaic panel (5) is utilized to absorb external sunlight, so that the light energy is converted into electric energy; the photovoltaic panel (5) is connected with the first partition board (202) through resistance wires, electric energy is transmitted to the first partition board (202), and the first partition board (202) is heated;
step 20), the air heated in the air inlet channel (204) transfers heat to the air in the air outlet channel (205) to keep the temperature of the high-rise building.
2. The method according to claim 1, wherein in step 20) of the construction method, the housing (2) is connected to the inner wall body by a fastener, one end of the first air pipe (6) is communicated with the room, and the other end of the first air pipe (6) is communicated with the air inlet channel (204); one end of the second air pipe (7) is communicated with the room, and the other end of the second air pipe (7) is communicated with the air outlet channel (205).
3. The method according to claim 1, wherein the top end of the second partition (203) and the top end of the body (201) have a certain clearance, and the inlet channel and the outlet channel are communicated; the bottom end and the side part of the second partition plate (203) are fixedly connected with the body (201) respectively.
4. A method according to claim 1, characterized in that the shell (2) is ring-shaped and is laid over the entire inner wall (1).
5. The method of claim 1, wherein the incubation method further comprises step 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; air in the air inlet channel (204) causes the temperature of the phase change material layer to rise due to heat released by the phase change material layer; the heated air 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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| CN202111428520.9A CN114277946B (en) | 2021-11-29 | 2021-11-29 | Construction method and heat preservation method for heat preservation outer wall of high-rise building |
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| CN202111428520.9A CN114277946B (en) | 2021-11-29 | 2021-11-29 | Construction method and heat preservation method for heat preservation outer wall of high-rise building |
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| CN114277946A CN114277946A (en) | 2022-04-05 |
| CN114277946B true CN114277946B (en) | 2024-03-22 |
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