CN113463752A - Assembled concrete wall that can ventilate - Google Patents
Assembled concrete wall that can ventilate Download PDFInfo
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- CN113463752A CN113463752A CN202110815160.1A CN202110815160A CN113463752A CN 113463752 A CN113463752 A CN 113463752A CN 202110815160 A CN202110815160 A CN 202110815160A CN 113463752 A CN113463752 A CN 113463752A
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- pipe
- concrete wall
- bimetallic strip
- heating device
- ventilating
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/0023—Building characterised by incorporated canalisations
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B2001/949—Construction elements filled with liquid, e.g. water, either permanently or only in case of fire
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to the technical field of fabricated concrete walls, in particular to a fabricated concrete wall capable of ventilating. Along with the burnt concrete wall a period, can make perpendicular bimetallic strip and horizontal bimetallic strip be heated and take place the bending, perpendicular bimetallic strip is crooked like this and promotes the sprue, and the bending of horizontal bimetallic strip then does benefit to the sprue and removes, along with the sprue is not plugged up the water input pipe completely, and make the running water put out a fire from the discharge pipe blowout, reach automatic fire extinguishing's effect, the gasbag is along being heated and the inflation is bloated when putting out a fire, standpipe one can be plugged up to the gasbag like this, can prevent the running water along standpipe two, standpipe one is gone into to the clean shot, in order to solve present assembled concrete wall and can only play the effect of keeping off the fire, the function of putting out a fire lacks, and be difficult to carry out indoor ventilation's problem.
Description
Technical Field
The invention relates to the technical field of fabricated concrete walls, in particular to a fabricated concrete wall capable of ventilating.
Background
The fabricated concrete building is a building with a main structure of reinforced concrete prefabricated parts produced in a factory, and the fabricated concrete wall is most common in the fabricated concrete building. No matter winter or summer, the condition that indoor conflagration took place is all more, and present assembled concrete wall can only play the effect that keeps off the fire, lacks the function of putting out a fire, is difficult to carry out indoor ventilation moreover, leads to the functional relatively poor.
Disclosure of Invention
The invention aims to provide a ventilating and air-exchanging assembly type concrete wall, which aims to solve the problems that the existing assembly type concrete wall only has the function of fire blocking, lacks the function of fire extinguishing and is difficult to ventilate indoors.
The technical scheme adopted by the invention for solving the technical problems is as follows: the assembly type concrete wall capable of ventilating comprises a concrete wall body, wherein a fire extinguishing assembly is arranged in the middle of the interior of the concrete wall body, and ventilating assemblies are arranged in the interior of the concrete wall body and positioned on two sides of the fire extinguishing assembly;
the fire extinguishing assembly comprises a transverse pipe, a second heating device, a second water conveying pipe and a tap water input pipe, wherein the transverse pipe, the second water conveying pipe, the second heating device and the tap water input pipe are sequentially arranged from top to bottom, the transverse pipe is welded with the water conveying pipe, the water conveying pipe is welded with the second heating device, the second heating device is welded with the tap water input pipe, an inner cavity is formed in the second heating device, the transverse pipe is communicated with the water conveying pipe, the inner cavity is respectively communicated with the water conveying pipe and the tap water input pipe, a plurality of discharge pipes communicated with the transverse pipe are connected to the front end of the transverse pipe in a straight line shape, and the tail ends of the discharge pipes penetrate through a concrete wall body;
the ventilation assembly comprises a second vertical pipe, a hollow ball, a first heating device, a first vertical pipe and an inclined pipe, the second vertical pipe is welded at two ends of the horizontal pipe and communicated with the horizontal pipe, the hollow ball is welded at the tail end of the second vertical pipe and communicated with the vertical pipe, the first heating device is welded at one side of the hollow ball and communicated with the hollow ball, the first vertical pipe is fixed at the other side of the hollow ball and communicated with the hollow ball, and the inclined pipe inclines at an thirty-degree angle and is connected with the tail end of the vertical pipe.
Preferably, a connecting rod is welded between the first heating device and the second heating device.
Preferably, the tail end of the tap water input pipe penetrates through the concrete wall, and the tail end of the tap water input pipe is provided with a connecting pipe.
Preferably, the heating device two includes perpendicular bimetallic strip, horizontal bimetallic strip and sprue, the horizontal bimetallic strip is fixed at the inside right-hand member of inner chamber, perpendicular bimetallic strip is fixed in the inside bottom of inner chamber, sprue sliding connection is inside the inner chamber to be located between horizontal bimetallic strip and the perpendicular bimetallic strip.
Preferably, the vertical bimetallic strip is positioned at the left side of the water pipe and the tap water input pipe, and the blocking block is respectively contacted with the vertical bimetallic strip and the horizontal bimetallic strip.
Preferably, the block is made of high temperature resistant silica gel, and the block is positioned between the water delivery pipe and the tap water input pipe.
Preferably, one of the heating devices includes empty can, silica gel sealing ring, silicone tube and gasbag, empty can sets up inside one of the heating devices, the jar mouth department at empty can is fixed to the silica gel sealing ring, the silicone tube is fixed in silica gel sealing ring one end, inside the clean shot was extended into to the silicone tube end, the gasbag meets at the silicone tube end.
Preferably, the empty tank, the silica gel sealing ring, the silica gel tube and the air bag are all made of high-temperature-resistant silica gel.
Preferably, the tail end of the inclined tube penetrates through the concrete wall body, the tail end of the inclined tube is connected with a filter tube, and an air filter screen and an activated carbon screen are respectively installed on two sides inside the filter tube.
Preferably, the upper part of the tail end of the inclined pipe is connected with a rainwater pipe, and the surface of the rainwater pipe is provided with a plurality of water filtering holes.
The invention has the following beneficial effects: when the concrete wall is installed, the concrete wall is installed as an outer wall, the inclined pipe faces outdoors, the discharge pipe faces indoors, when a fire just starts to happen indoors, the air bag does not expand and swell with heating, the inclined pipe can facilitate the discharge of smoke, so that outdoor personnel can timely know that the fire happens indoors, and as the concrete wall is burnt for a period of time, the vertical bimetallic strip and the horizontal bimetallic strip can be heated and bent, so that the vertical bimetallic strip is bent to push the blocking block, and the horizontal bimetallic strip is bent to facilitate the movement of the blocking block, as the blocking block does not completely block the tap water input pipe, tap water is sprayed out from the discharge pipe to extinguish the fire, the automatic fire extinguishing effect is achieved, while the empty tank is heated and expands to increase the internal air pressure, so that the air bag expands and swells, and the air bag can block the vertical pipe, therefore, the air bag does not obstruct ventilation when not expanding at ordinary times, the air bag expands to prevent tap water from being discharged into the first vertical pipe along the second vertical pipe and the hollow ball to avoid running off of the tap water, thereby improving the fire extinguishing effect, when the fire is extinguished, the vertical bimetallic strip and the horizontal bimetallic strip can recover along with the temperature reduction, so that the horizontal bimetallic strip can push the blocking block to reset, and the air bag can also be shriveled along with the temperature reduction, thereby recovering the ventilation effect, the blocking block completely blocks the tap water input pipe to avoid the influence of the tap water on the ventilation, in addition, during the ventilation, the filter pipe can also play a role of filtering and purifying air, and the rainwater pipe can play a role of self-cleaning the filter pipe, thereby avoiding the phenomenon of frequently cleaning the filter pipe, and in addition, the rainwater pipe can also play a role of smoke discharge, the direction of discharging fume is no longer single like this, can paint the smog dyestuff at the clean shot inner wall in addition, because the smog dyestuff can produce a large amount of smog, does not pollute and harm again for after the clean shot is heated through the high temperature, the smog dyestuff sublimation produces smog, and these smog are discharged from downspout and pipe chute respectively, do benefit to outdoor personnel more and can in time know that the indoor conflagration that has taken place, thereby can in time inform fire control mechanism.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of a tap water inlet pipe according to the present invention;
FIG. 3 is an internal view of a heat receiving device according to the present invention;
FIG. 4 is a schematic view of the interior of a second heat receiving device according to the present invention;
FIG. 5 is a schematic view of the inside of a filter tube according to the present invention.
In the figure: the water purifier comprises a concrete wall body 1, a discharge pipe 2, a tap water input pipe 3, a connecting pipe 4, a horizontal pipe 5, a vertical pipe II 6, a hollow ball 7, a heating device I8, a vertical pipe I9, an inclined pipe 10, a filter pipe 11, a rainwater pipe 12, a connecting rod 13, a heating device II 14, a water delivery pipe 15, a hollow tank 16, a silica gel sealing ring 17, a silica gel pipe 18, an air bag 19, a vertical bimetallic strip 20, a horizontal bimetallic strip 21, a blocking block 22, an inner cavity 23, an air filter 24, an active carbon net 25 and a water filter hole 26.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 to 5, the present invention provides a technical solution: an assembled concrete wall capable of ventilating comprises a concrete wall body 1, wherein a fire extinguishing assembly is arranged in the middle of the interior of the concrete wall body 1, ventilation assemblies are arranged in the interior of the concrete wall body 1 and positioned on two sides of the fire extinguishing assembly, and the fire extinguishing assembly and the ventilation assemblies can respectively play roles of indoor automatic fire extinguishing and automatic ventilation which are defined by the concrete wall body 1;
the automatic fire extinguishing process is as follows, the fire extinguishing assembly comprises a transverse pipe 5, a second heating device 14, a water conveying pipe 15 and a tap water input pipe 3, the transverse pipe 5, the water conveying pipe 15, the second heating device 14 and the tap water input pipe 3 are sequentially arranged from top to bottom, the transverse pipe 5 is welded with the water conveying pipe 15, the water conveying pipe 15 is welded with the second heating device 14, the second heating device 14 is welded with the tap water input pipe 3, an inner cavity 23 is arranged inside the second heating device 14, the transverse pipe 5 is communicated with the water conveying pipe 15, the inner cavity 23 is respectively communicated with the water conveying pipe 15 and the tap water input pipe 3, a plurality of discharge pipes 2 communicated with the transverse pipe 5 are connected to the front end of the transverse pipe 5 in a straight line, the tail ends of the discharge pipes 2 penetrate through a concrete wall body 1, the second heating device 14 comprises vertical bimetallic strips 20, horizontal bimetallic strips 21 and blocking blocks 22, the horizontal bimetallic strip 21 is fixed at the right end in the inner cavity 23, the vertical bimetallic strip 20 is fixed at the bottom end in the inner cavity 23, the block 22 is connected in the inner cavity 23 in a sliding manner, and is positioned between the horizontal bimetal strip 21 and the vertical bimetal strip 20, the vertical bimetal strip 20 is positioned at the left side of the water pipe 15 and the tap water input pipe 3, the blocking block 22 is respectively contacted with the vertical bimetallic strip 20 and the horizontal bimetallic strip 21, and the blocking block 22 is made of high temperature resistant silica gel, and the block 22 is located between the water pipe 15 and the tap water input pipe 3, when the concrete wall 1 is installed, the concrete wall 1 is installed as an outer wall, the discharge pipe 2 faces indoors, when a fire breaks out indoors, along with burning the concrete wall 1 for a period of time, the temperature is transmitted to the inner cavity 23 of the second heating device 14 through the concrete wall 1, so that the vertical bimetallic strip 20 and the horizontal bimetallic strip 21 are heated and bent;
when the vertical bimetallic strip 20 is heated and bent, the middle part pushes the blocking block 22 towards the right, the left part of the vertical bimetallic strip 20 is blocked by the left wall in the inner cavity 23, and when the horizontal bimetallic strip 21 is bent, the horizontal bimetallic strip 21 can be bent upwards or downwards, so that the vertical bimetallic strip 20 is bent to push the blocking block 22 to move right, and meanwhile, the horizontal bimetallic strip 21 is bent to not block the right movement of the blocking block 22, and along with the fact that the blocking block 22 does not completely block the tap water input pipe 3, tap water is sprayed into a room from the discharge pipe 2 along the tap water input pipe 3, the inner cavity 23, the water conveying pipe 15 and the transverse pipe 5 to extinguish fire, and the effect of automatic fire extinguishing is achieved;
the tail end of the tap water input pipe 3 penetrates through the concrete wall 1, the tail end of the tap water input pipe 3 is provided with a connecting pipe 4, and after the concrete wall 1 is installed, the connecting pipe 4 at the tail end of the tap water input pipe 3 can be connected with a pre-buried tap water pipe so that water in the tap water pipe can be input into the tap water input pipe 3;
the ventilation assembly comprises a second vertical pipe 6, a hollow ball 7, a first heating device 8, a first vertical pipe 9 and an inclined pipe 10, the second vertical pipe 6 is welded at two ends of the horizontal pipe 5 and communicated with the horizontal pipe, the hollow ball 7 is welded at the tail end of the second vertical pipe 6 and communicated with the vertical pipe, the first heating device 8 is welded at one side of the hollow ball 7 and communicated with the hollow ball, the first vertical pipe 9 is fixed at the other side of the hollow ball 7 and communicated with the hollow ball, the inclined pipe 10 is inclined at thirty degrees and connected to the tail end of the first vertical pipe 9, the first heating device 8 comprises a hollow tank 16, a silica gel sealing ring 17, a silica gel pipe 18 and an air bag 19, the hollow tank 16 is arranged inside the first heating device 8, the silica gel sealing ring 17 is fixed at the tank opening of the hollow tank 16, the silica gel pipe 18 is fixed at one end of the silica gel sealing ring 17, the tail end of the silica gel pipe 18 extends into the hollow ball 7, and the air bag 19 is connected to the tail end of the silica gel pipe 18, the empty tank 16, the silica gel sealing ring 17, the silica gel tube 18 and the air bag 19 are all made of high-temperature-resistant silica gel, when the fire is extinguished, the empty tank 16 in the first heating device 8 is heated, the empty tank 16 is heated to expand, the internal air pressure is increased, and the air bag 19 is expanded and expanded along with the heating, so that the vertical tube I9 can be blocked by the air bag 19, and tap water can be prevented from being discharged into the vertical tube I9 along the vertical tube II 6 and the hollow ball 7;
in addition, when a fire disaster happens just indoors, the air bag 19 is not expanded and swollen along with heating, and the inclined tube 10 can be used for facilitating the discharge of some smoke, so that outdoor personnel can know that the fire disaster happens indoors in time.
The automatic ventilation process is as follows, after the fire disaster is extinguished, the vertical bimetallic strip 20 and the horizontal bimetallic strip 21 can recover along with the temperature reduction, the vertical bimetallic strip 20 slowly recovers to be vertical, the horizontal bimetallic strip 21 slowly recovers to be horizontal, at the moment, the horizontal bimetallic strip 21 pushes the blocking block 22 to move left, the vertical bimetallic strip 20 can not obstruct the blocking block 22 to move left, when the blocking block 22 moves left to be contacted with the vertical bimetallic strip 20, the blocking block 22 completely blocks the tap water input pipe 3, and the influence of tap water on ventilation can be avoided;
simultaneously, 16 cooling backs of empty can, inside atmospheric pressure resumes, and makes gasbag 19 also can be along with the temperature reduction and shrivel, and standpipe 9 can not blockked up to gasbag 19 like this, makes the outside air can follow pipe chute 10, standpipe 9, clean shot 7, standpipe two 6, violently pipe 5 and gets into indoorly from discharge pipe 2, the effect of resumeing like this and taking a breath.
A connecting rod 13 is welded between the first heating device 8 and the second heating device 14, and the connecting rod 13 can be used for connecting and fixing the first heating device 8 and the second heating device 14.
The tail end of the inclined tube 10 penetrates through the concrete wall 1, the tail end of the inclined tube 10 is connected with the filter tube 11, an air filter screen 24 and an activated carbon net 25 are respectively installed on two sides inside the filter tube 11, and when the inclined tube 10 is ventilated, the air filter screen 24 and the activated carbon net 25 can be used for filtering and purifying air;
the terminal upper portion of pipe chute 10 is connected with downspout 12, downspout 12 surface is equipped with a plurality of drainage hole 26, and when raining, the rainwater can get into downspout 12, through drainage hole 26, can avoid the foreign matter to get into downspout 12, and the rainwater can get into pipe chute 10 along downspout 12, again along the pipe chute 10 slope flow wash away airstrainer 24, discharge from pipe chute 10 behind the active carbon net 25, can play the automatically cleaning effect in the filter tube 12 like this when raining to can avoid often clearing up the phenomenon of filter tube 12.
Claims (10)
1. The utility model provides a can ventilation's assembled concrete wall, includes concrete wall body (1), its characterized in that: a fire extinguishing assembly is arranged in the middle of the interior of the concrete wall body (1), and ventilating assemblies are arranged in the interior of the concrete wall body (1) and located on two sides of the fire extinguishing assembly;
the fire extinguishing component comprises a transverse pipe (5), a second heating device (14), a water conveying pipe (15) and a tap water input pipe (3), the transverse pipe (5), the water delivery pipe (15), the second heating device (14) and the tap water input pipe (3) are arranged in sequence from top to bottom, the horizontal pipe (5) is welded with a water delivery pipe (15), the water delivery pipe (15) is welded with a second heating device (14), the second heating device (14) is welded with the tap water input pipe (3), an inner cavity (23) is arranged inside the second heating device (14), the horizontal pipe (5) is communicated with the water delivery pipe (15), the inner cavity (23) is respectively communicated with the water delivery pipe (15) and the tap water input pipe (3), the front ends of the transverse pipes (5) are connected with a plurality of discharge pipes (2) communicated with the transverse pipes in a straight line arrangement, and the tail ends of the discharge pipes (2) penetrate through the concrete wall body (1);
the ventilation assembly comprises a second vertical pipe (6), a hollow ball (7), a first heating device (8), a first vertical pipe (9) and an inclined pipe (10), the second vertical pipe (6) is welded at two ends of the horizontal pipe (5) and communicated with the horizontal pipe, the hollow ball (7) is welded at the tail end of the second vertical pipe (6) and communicated with the vertical pipe, the first heating device (8) is welded at one side of the hollow ball (7) and communicated with the hollow ball, the first vertical pipe (9) is fixed at the other side of the hollow ball (7) and communicated with the hollow ball, and the inclined pipe (10) is inclined at the thirty-degree angle and is connected at the tail end of the first vertical pipe (9).
2. A ventilating fabricated concrete wall according to claim 1, wherein: a connecting rod (13) is welded between the first heating device (8) and the second heating device (14).
3. A ventilating fabricated concrete wall according to claim 1, wherein: the tail end of the tap water input pipe (3) penetrates through the concrete wall body (1), and the tail end of the tap water input pipe (3) is provided with a connecting pipe (4).
4. A ventilating fabricated concrete wall according to claim 1, wherein: heated device two (14) are including perpendicular bimetallic strip (20), horizontal bimetallic strip (21) and sprue (22), the inside right-hand member in inner chamber (23) is fixed in horizontal bimetallic strip (21), the inside bottom in inner chamber (23) is fixed in perpendicular bimetallic strip (20), sprue (22) sliding connection is inside inner chamber (23) to be located between horizontal bimetallic strip (21) and perpendicular bimetallic strip (20).
5. A ventilating fabricated concrete wall according to claim 4, wherein: the vertical bimetallic strip (20) is positioned on the left side of the water conveying pipe (15) and the tap water input pipe (3), and the blocking block (22) is respectively contacted with the vertical bimetallic strip (20) and the horizontal bimetallic strip (21).
6. A ventilating fabricated concrete wall according to claim 5, wherein: the blocking block (22) is made of high-temperature-resistant silica gel, and the blocking block (22) is located between the water conveying pipe (15) and the tap water input pipe (3).
7. A ventilating fabricated concrete wall according to claim 1, wherein: heating device (8) is including empty can (16), silica gel sealing ring (17), silicone tube (18) and gasbag (19), empty can (16) set up inside heating device (8), jar mouth department at empty can (16) is fixed in silica gel sealing ring (17), silicone tube (18) are fixed in silica gel sealing ring (17) one end, inside hollow ball (7) was gone into in silicone tube (18) end extension, gasbag (19) meet at silicone tube (18) end.
8. A ventilating fabricated concrete wall according to claim 7, wherein: the empty tank (16), the silica gel sealing ring (17), the silica gel tube (18) and the air bag (19) are all made of high-temperature-resistant silica gel.
9. A ventilating fabricated concrete wall according to claim 1, wherein: the concrete wall body (1) is run through to pipe chute (10) end, pipe chute (10) end-to-end connection has filter tube (11), airstrainer (24), activated carbon net (25) are installed respectively to the inside both sides of filter tube (11).
10. A ventilating fabricated concrete wall according to claim 9, wherein: the upper part of the tail end of the inclined pipe (10) is connected with a rainwater pipe (12), and the surface of the rainwater pipe (12) is provided with a plurality of water filtering holes (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815160.1A CN113463752A (en) | 2021-07-19 | 2021-07-19 | Assembled concrete wall that can ventilate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110815160.1A CN113463752A (en) | 2021-07-19 | 2021-07-19 | Assembled concrete wall that can ventilate |
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| CN113463752A true CN113463752A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110815160.1A Pending CN113463752A (en) | 2021-07-19 | 2021-07-19 | Assembled concrete wall that can ventilate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592617A (en) * | 2022-04-12 | 2022-06-07 | 杭州亚景景观设计有限公司 | Energy-saving heat-insulating wall |
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| CN112569498A (en) * | 2020-11-20 | 2021-03-30 | 徐林波 | New method for fire fighting of building fire |
| CN112878878A (en) * | 2021-01-27 | 2021-06-01 | 浙江德运科技有限公司 | Fire-fighting evacuation system |
| CN112957643A (en) * | 2021-04-09 | 2021-06-15 | 深圳市团缘实业有限责任公司 | Temperature control type fire-fighting spray head capable of absorbing shock and preventing impact and mistaken touch |
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| CN114592617A (en) * | 2022-04-12 | 2022-06-07 | 杭州亚景景观设计有限公司 | Energy-saving heat-insulating wall |
| CN114592617B (en) * | 2022-04-12 | 2024-02-23 | 杭州亚景景观设计有限公司 | Energy-saving heat-insulating wall |
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