CN112900734B - Fire prevention sound insulation wallboard for assembly type structure - Google Patents
Fire prevention sound insulation wallboard for assembly type structure Download PDFInfo
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- CN112900734B CN112900734B CN202011641467.6A CN202011641467A CN112900734B CN 112900734 B CN112900734 B CN 112900734B CN 202011641467 A CN202011641467 A CN 202011641467A CN 112900734 B CN112900734 B CN 112900734B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
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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
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
- E04B1/6137—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface the connection made by formlocking
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
- E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
- E04C2/365—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels by honeycomb structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/40—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a fireproof and sound-insulating wallboard for an assembly type building, which belongs to the field of assembly type buildings, and adopts the technical scheme that the fireproof and sound-insulating wallboard comprises a base layer, wherein a sound insulating layer is arranged on the left side of the base layer, a mounting groove is formed in the sound insulating layer, sound-absorbing sponge is arranged in the mounting groove, transverse pipes are fixedly connected to the inner top wall of the mounting groove, air nozzles which are uniformly distributed are arranged at the bottoms of the transverse pipes, gas pipes are arranged at the tops of the transverse pipes, penetrate through the sound insulating layer and extend to the outside of the sound insulating layer, a reinforcing layer is arranged on the left side of the sound insulating layer, a fireproof layer is arranged on the left side of the reinforcing layer, a first connecting block is fixedly connected to the front side of the base layer, and a second connecting block which is matched with the first connecting block is fixedly connected to the back side of the base layer.
Description
Technical Field
The invention relates to the field of fabricated buildings, in particular to a fireproof and sound-insulation wallboard for fabricated buildings.
Background
The prefabricated building adopts a mode that building components including beams, plates, columns, outer walls and the like are prefabricated in a factory, and are transported to a building mode of completing field installation construction after maintenance and acceptance check are qualified, the prefabricated building is divided into a prefabricated steel structure building and a prefabricated reinforced concrete building from building materials, the prefabricated building is divided into a prefabricated industrial building and a prefabricated civil building from service functions, and the prefabricated civil building is divided into a prefabricated public building and a prefabricated residential building.
At present most of for assembly type building fire prevention sound insulation wallboard structure is more single, and is firm inadequately when leading to interconnect between the wallboard, and the inside sound sponge of inhaling of wallboard that gives sound insulation simultaneously can not take out, and after long-time the use, inhale sound sponge surface hole and can be covered by the dust, lead to the syllable-dividing effect poor, consequently, technical personnel in the field provide an assembly type for building fire prevention sound insulation wallboard to solve the problem that proposes in the above-mentioned background art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a fireproof and sound-insulating wallboard for an assembly type building, which has the advantages that the connection is more stable during installation, sound-absorbing sponge can be cleaned automatically, the labor intensity is low, and the sound-insulating effect of the wallboard is ensured.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme: the utility model provides an assembly type is fire prevention sound insulation wallboard for building, includes the basic unit, the left side of basic unit is provided with the puigging, the mounting groove has been seted up to the inside of puigging, the inside of mounting groove is provided with inhales the sound sponge, the interior roof fixedly connected with of mounting groove violently manages, the bottom of violently managing is provided with evenly distributed's air cock, the top of violently managing is provided with the gas-supply pipe, the gas-supply pipe runs through the puigging and extends to the outside of puigging, the left side of puigging is provided with the back coat, the left side of back coat is provided with the flame retardant coating, the first connecting block of positive fixedly connected with of basic unit, the back fixedly connected with and the first connecting block assorted second connecting block of basic unit.
Furthermore, the left side of the sound insulation layer is provided with sound absorption holes which are uniformly distributed and communicated with the mounting groove, and the interior of each sound absorption hole is honeycomb-shaped.
Further, the collecting groove has been seted up to the inside of puigging, evenly distributed's connecting hole has been seted up to the inside of puigging, the shape of connecting hole is the infundibulate, the top and the mounting groove of connecting hole are linked together, the bottom and the collecting groove of connecting hole are linked together.
Furthermore, the left side of flame retardant coating is provided with the anticorrosive coating, the anticorrosive coating is glass steel material component.
Furthermore, the reinforcing layer is a steel plate material member, and the side surface of the reinforcing layer is provided with uniformly distributed cavities.
Furthermore, one side fixedly connected with quantity that basic unit was kept away from to first connecting block is two fixture blocks, one side that basic unit was kept away from to the second connecting block is seted up quantity and is two and with fixture block assorted draw-in groove.
Furthermore, the inner wall fixedly connected with reinforcement seat of first connecting block, the inner wall fixedly connected with anchor strut of second connecting block, the opposite side fixedly connected with of anchor strut and reinforcement seat assorted reinforcement block.
Furthermore, the spread groove has all been seted up to the inner wall both sides of reinforcing seat and the both sides of anchor strut, the inner wall of spread groove is provided with the triangle reinforcing bar.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) When noise is generated, the noise sequentially passes through the fireproof layer and the reinforcing layer and then enters the inside of the mounting groove in the sound insulation layer, the noise of the sound absorption sponge in the mounting groove is absorbed, when dust on the surface of the sound absorption sponge is large, the sound absorption sponge can be connected with an external air pump or a fan through an air pipe for air transmission, the air enters the inside of the transverse pipe and can be sprayed out through the air nozzle, the dust on the surface of the sound absorption sponge is blown, the dust falls on the inner bottom wall of the mounting groove, the cleaning process is automatic, the labor intensity is low, and the sound insulation effect of the wallboard is ensured;
(2) Through setting up the sound absorbing hole, the noise that passes the back up coat can be handled through the sound absorbing hole, the honeycomb sound absorbing hole can effectively subduct the noise, the noise after subduing passes the puigging through the sound absorbing hole again and gets into the inside of mounting groove and handles, make the syllable-dividing effect of wallboard better, through setting up collecting vat and connecting hole, the dust that reaches the mounting groove bottom can get into the inside of collecting vat automatically through the connecting hole, avoid the dust to stay in the inside of mounting groove, the condition that absorption appears again and inhales on the surface of sound absorbing sponge takes place, and the connecting hole is the infundibulate, the dust is easier to get into the inside of collecting vat, but because the top opening of connecting hole is less, the dust of collecting vat is difficult for appearing the condition of diffusion;
(3) The anti-corrosion layer made of the glass fiber reinforced plastic is firstly contacted with the outside air and impurities, the glass fiber reinforced plastic is anti-corrosion, the service life of the wallboard can be effectively prolonged, the reinforcing layer made of the steel plate is combined with the fireproof layer for use, so that the fireproof performance of the wallboard is better, and the cavity can reduce noise;
(4) The clamping blocks and the clamping grooves are arranged, so that the wallboard is more convenient to mount, the clamping connection of the first connecting block and the second connecting block can be realized by utilizing the clamping blocks and the clamping grooves, the early-stage fixing between the wallboards is realized, the required time is short, and the mounting efficiency is improved;
(5) Through setting up the anchor strut and reinforcing seat, can consolidate first connecting block and second connecting block, avoid the unstable condition to appear in the wallboard junction, through setting up spread groove and triangle reinforcing bar, can consolidate anchor strut and reinforcing seat to reach the reinforced (rfd) effect to the wallboard junction, make the connection between the wallboard more firm.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a top sectional view of the present invention;
FIG. 4 is a schematic view of the connection of a first connecting block and a second connecting block according to the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 6 is an enlarged view taken at B of FIG. 1 in accordance with the present invention;
fig. 7 is an enlarged view of the invention at C in fig. 2.
The reference numbers in the figures illustrate:
1. a base layer; 2. a sound insulating layer; 201. a sound absorption hole; 202. connecting holes; 3. mounting grooves; 4. sound-absorbing sponge; 5. a reinforcement layer; 6. a fire barrier layer; 7. an anticorrosive layer; 8. a transverse tube; 9. an air faucet; 10. a gas delivery pipe; 11. a first connection block; 1101. a clamping block; 1102. a reinforcing seat; 1103. triangular reinforcing steel bars; 1104. connecting grooves; 12. a second connecting block; 1201. a card slot; 1202. a reinforcing rod; 1203. a reinforcing block; 13. and (4) collecting the tank.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1 to 7, in an embodiment of the present invention, an assembly type fire-proof and sound-proof wall panel for a building includes a base layer 1, a sound-proof layer 2 is disposed on a left side of the base layer 1, a mounting groove 3 is formed inside the sound-proof layer 2, a sound-absorbing sponge 4 is disposed inside the mounting groove 3, a horizontal pipe 8 is fixedly connected to an inner top wall of the mounting groove 3, air nozzles 9 are uniformly distributed at a bottom of the horizontal pipe 8, an air pipe 10 is disposed at a top of the horizontal pipe 8, the air pipe 10 penetrates through the sound-proof layer 2 and extends to an outside of the sound-proof layer 2, a reinforcing layer 5 is disposed on a left side of the sound-proof layer 2, a fire-proof layer 6 is disposed on a left side of the reinforcing layer 5, a first connecting block 11 is fixedly connected to a front side of the base layer 1, and a second connecting block 12 matched with the first connecting block 11 is fixedly connected to a back side of the base layer 1.
Referring to fig. 5, the sound hole 201 is inhaled that evenly distributed and be linked together with mounting groove 3 is seted up in the left side of puigging 2, the inside shape of inhaling sound hole 201 is honeycomb, inhale sound hole 201 through setting up, the noise that passes back up coat 5 can be handled through inhaling sound hole 201, honeycomb inhales sound hole 201 can effectively subduct the noise, the noise after subducting is handled through inhaling the inside that sound hole 201 passed puigging 2 entering mounting groove 3 again for the syllable-dividing effect of wallboard is better.
Referring to fig. 6, collecting vat 13 has been seted up to the inside of puigging 2, evenly distributed's connecting hole 202 has been seted up to the inside of puigging 2, the shape of connecting hole 202 is the infundibulate, the top and the mounting groove 3 of connecting hole 202 are linked together, the bottom and the collecting vat 13 of connecting hole 202 are linked together, through setting up collecting vat 13 and connecting hole 202, the dust that reachs the mounting groove 3 bottom can pass through the inside that connecting hole 202 automatic entering collecting vat 13, avoid the dust to stop in the inside of mounting groove 3, the condition that adsorbs on inhaling sound sponge 4 surface appears once more takes place, and connecting hole 202 is the infundibulate, the inside of the comparatively easy entering collecting vat 13 of dust, but the top opening because of connecting hole 202 is less, the difficult condition that appears the diffusion of the inside dust of collecting vat 13.
Referring to fig. 1, the left side of the fireproof layer 6 is provided with an anticorrosive coating 7, the anticorrosive coating 7 is a component made of glass fiber reinforced plastic, and by arranging the anticorrosive coating 7, the anticorrosive coating 7 made of glass fiber reinforced plastic is firstly contacted with the outside air and impurities, so that the glass fiber reinforced plastic is corrosion-resistant, and the service life of the wallboard can be effectively prolonged.
Referring to fig. 2, back up coat 5 is the steel sheet material component, and evenly distributed's cavity is seted up to back up coat 5's side, and through setting up back up coat 5, the back up coat 5 and the flame retardant coating 6 of steel sheet material combine the use for the fire behavior of wallboard is better, and the cavity can be subducted the noise.
Referring to fig. 4 and 7, one side fixedly connected with quantity that first connecting block 11 keeps away from basic unit 1 is fixture block 1101 two, one side that second connecting block 12 keeps away from basic unit 1 is seted up quantity for two and with fixture block 1101 assorted draw-in groove 1201, through setting up fixture block 1101 and draw-in groove 1201, it is more convenient when the installation wallboard, utilize fixture block 1101 and draw-in groove 1201 can realize the joint of first connecting block 11 and second connecting block 12, realize promptly that it is fixed earlier stage between the wallboard, the required time is shorter, improve the installation effectiveness.
Referring to fig. 4, the inner wall of the first connecting block 11 is fixedly connected with a reinforcing seat 1102, the inner wall of the second connecting block 12 is fixedly connected with a reinforcing rod 1202, the other side of the reinforcing rod 1202 is fixedly connected with a reinforcing block 1203 matched with the reinforcing seat 1102, and by arranging the reinforcing rod 1202 and the reinforcing seat 1102, the first connecting block 11 and the second connecting block 12 can be reinforced, so that unstable conditions at the connecting position of the wall board are avoided.
Referring to fig. 4, the connecting grooves 1104 have been respectively formed on both sides of the inner wall of the reinforcing seat 1102 and both sides of the reinforcing rod 1202, the inner wall of the connecting grooves 1104 is provided with the triangular reinforcing bars 1103, and the reinforcing rod 1202 and the reinforcing seat 1102 can be reinforced by setting the connecting grooves 1104 and the triangular reinforcing bars 1103, so that the effect of reinforcing the joints of the wall panels is achieved, and the connection between the wall panels is more stable.
The working principle of the invention is as follows: firstly, the first connecting block 11 and the second connecting block 12 are used for splicing and installing wallboards, firstly, the fixture blocks 1101 and the clamping grooves 1201 are used for achieving primary fixing between adjacent wallboards, the method is short in required time and improves installation efficiency, the reinforcing block 1203 automatically enters the reinforcing base 1102 in the process, triangular steel bars 1103 are placed into the inner wall of the connecting grooves 1104 from the top, so that the effect of reinforcing the joints of the wallboards is achieved, the wallboards are connected more stably, after assembly is completed, concrete is injected into the connecting gaps between the first connecting block 11 and the second connecting block 12, and installation of the whole wallboard is completed;
when noise is generated, the noise which can firstly pass through the fireproof layer 6 and the reinforcing layer 5 can be processed through the sound absorption hole 201, the honeycomb sound absorption hole 201 can effectively reduce the noise, the reduced noise passes through the sound insulation layer 2 through the sound absorption hole 201 to enter the interior of the mounting groove 3 to be processed, so that the sound insulation effect of the wall board is better, the noise of the sound absorption sponge 4 in the mounting groove 3 is absorbed, when the dust on the surface of the sound absorption sponge 4 is larger, the sound absorption sponge 4 can be connected with an external air pump or a fan through an air pipe 10 to carry out air transmission, the air enters the interior of the transverse pipe 8 and can be sprayed out through the air nozzle 9, the dust on the surface of the sound absorption sponge 4 is blown, the dust falls on the inner bottom wall of the mounting groove 3, the cleaning process is carried out automatically, the labor intensity is low, the sound insulation effect of the wall board is ensured, the dust which reaches the bottom of the mounting groove 3 can automatically enter the interior of the collecting groove 13 through the connecting hole 202, the dust is prevented from staying in the interior of the mounting groove 3, the dust is adsorbed on the surface of the sound absorption sponge 4 again, and the dust 202 is in a funnel-shaped connecting hole, the dust can easily enter the collecting groove 13, but the dust is not easily diffused in the interior of the collecting groove 13;
the anticorrosive coating 7 of glass steel material contacts with external air and impurity at first, and glass steel itself is corrosion-resistant, can effectively prolong the life of wallboard, and the back up coat 5 and the 6 combined use of flame retardant coating of steel sheet material for the fire behavior of wallboard is better, and the cavity can subduct the noise.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides an assembly type fire prevention sound insulation wallboard for building, includes basic unit (1), its characterized in that: the sound insulation layer (2) is arranged on the left side of the base layer (1), a mounting groove (3) is formed in the sound insulation layer (2), sound absorption sponge (4) is arranged in the mounting groove (3), a transverse pipe (8) is fixedly connected to the inner top wall of the mounting groove (3), air nozzles (9) which are uniformly distributed are arranged at the bottom of the transverse pipe (8), an air pipe (10) is arranged at the top of the transverse pipe (8), the air pipe (10) penetrates through the sound insulation layer (2) and extends to the outside of the sound insulation layer (2), a reinforcing layer (5) is arranged on the left side of the sound insulation layer (2), a fireproof layer (6) is arranged on the left side of the reinforcing layer (5), a first connecting block (11) is fixedly connected to the front side of the base layer (1), and a second connecting block (12) which is matched with the first connecting block (11) is fixedly connected to the back side of the base layer (1);
collecting vat (13) have been seted up to the inside of puigging (2), evenly distributed's connecting hole (202) have been seted up to the inside of puigging (2), the shape of connecting hole (202) is the infundibulate, the top and mounting groove (3) of connecting hole (202) are linked together, the bottom and collecting vat (13) of connecting hole (202) are linked together.
2. The fire-proof and sound-proof wall panel for prefabricated buildings according to claim 1, wherein: the left side of puigging (2) is seted up evenly distributed and is linked together with mounting groove (3) inhale sound hole (201), inhale the inside shape of sound hole (201) and be honeycomb.
3. The fire-proof and sound-proof wall panel for prefabricated buildings according to claim 1, wherein: the left side of flame retardant coating (6) is provided with anticorrosive coating (7), anticorrosive coating (7) are glass steel material component.
4. The fire-proof and sound-proof wall panel for the prefabricated building according to claim 1, wherein: the reinforcing layer (5) is a steel plate material member, and cavities which are uniformly distributed are formed in the side face of the reinforcing layer (5).
5. The fire-proof and sound-proof wall panel for the prefabricated building according to claim 1, wherein: one side fixedly connected with quantity that basic unit (1) were kept away from in first connecting block (11) is fixture block (1101) two, one side that basic unit (1) was kept away from in second connecting block (12) is seted up quantity and is two and with fixture block (1101) assorted draw-in groove (1201).
6. The fire-proof and sound-proof wall panel for prefabricated buildings according to claim 1, wherein: the inner wall of the first connecting block (11) is fixedly connected with a reinforcing seat (1102), the inner wall of the second connecting block (12) is fixedly connected with a reinforcing rod (1202), and the other side of the reinforcing rod (1202) is fixedly connected with a reinforcing block (1203) matched with the reinforcing seat (1102).
7. The fire-proof and sound-proof wall panel for prefabricated buildings according to claim 6, wherein: connecting grooves (1104) are formed in two sides of the inner wall of the reinforcing seat (1102) and two sides of the reinforcing rod (1202), and triangular reinforcing steel bars (1103) are arranged on the inner wall of each connecting groove (1104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641467.6A CN112900734B (en) | 2020-12-31 | 2020-12-31 | Fire prevention sound insulation wallboard for assembly type structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641467.6A CN112900734B (en) | 2020-12-31 | 2020-12-31 | Fire prevention sound insulation wallboard for assembly type structure |
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| Publication Number | Publication Date |
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| CN112900734A CN112900734A (en) | 2021-06-04 |
| CN112900734B true CN112900734B (en) | 2023-01-03 |
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| CN202011641467.6A Active CN112900734B (en) | 2020-12-31 | 2020-12-31 | Fire prevention sound insulation wallboard for assembly type structure |
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| CN114086680B (en) * | 2021-11-30 | 2022-09-20 | 金螳螂精装科技（苏州）有限公司 | Wall sound insulation fireproof building material and wall design structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH702952A2 (en) * | 2010-04-06 | 2011-10-14 | Akustik & Raum Ag | Sound absorbing noise barriers. |
| KR20130135598A (en) * | 2012-06-01 | 2013-12-11 | 현대중공업 주식회사 | Sound insulation panel for cabin wall of deck house |
| CN206143962U (en) * | 2016-07-07 | 2017-05-03 | 贵州省公路工程集团有限公司 | Non -combustible building wallboard |
| CN207392491U (en) * | 2017-08-22 | 2018-05-22 | 福建省圣昌企业管理有限公司 | A kind of fire-proof composite heat preservation board for building |
| CN110056096B (en) * | 2019-04-03 | 2020-12-22 | 安徽南大星新材料科技有限公司 | Honeycomb formula stainless steel acoustic celotex board |
| CN111336636A (en) * | 2020-03-27 | 2020-06-26 | 程凤兰 | Forced ventilation explosion-proof sound insulation room with fresh air system |
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