CN108360704A - Theater multifunctional wall body structure - Google Patents
Theater multifunctional wall body structure Download PDFInfo
- Publication number
- CN108360704A CN108360704A CN201810051591.3A CN201810051591A CN108360704A CN 108360704 A CN108360704 A CN 108360704A CN 201810051591 A CN201810051591 A CN 201810051591A CN 108360704 A CN108360704 A CN 108360704A
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- Prior art keywords
- sound
- wall
- fire
- air outlet
- theater
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 27
- 239000000498 cooling water Substances 0.000 claims abstract description 20
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 26
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 235000013399 edible fruits Nutrition 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
- E04B1/80—Heat insulating elements slab-shaped
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- 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
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
- E04B2001/8433—Tray or frame type panels or blocks, with or without acoustical filling with holes in their face
- E04B2001/8438—Slot shaped holes
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
Abstract
The present invention relates to a kind of theater multifunctional wall body structures, wall includes the steelframe for pouring cement layer, fire wall is installed on the inside of steelframe, fire wall includes two layers of fire barrier and the hollow layer between two layers of fire barrier, cooling water pipe is equipped in hollow layer, cooling water pipe is covered with fire wall and intake-outlet is located at fire wall side, soundproof wall is installed on the inside of fire wall, soundproof wall includes the sound-absorbing wallboard for offering sound-absorption hole, sound-absorbing wallboard surfaces externally and internally is the matte with evagination and concave inward structure, there are sound absorption cavities between sound-absorbing wallboard and fire wall, air-conditioning duct through hole is provided on fire barrier, side is equipped with air-conditioner air outlet to sound-absorbing wallboard indoors, deflector is equipped in air-conditioner air outlet, on deflector, it is placed on air-conditioner air outlet inner wall and cylinder in sound absorption cavity.The wall can prevent fires and cool down, good muffling effect, solve the problems, such as that air-conditioner air outlet generates vibration and sends out abnormal sound, auditory effect is good.
Description
Technical field
The present invention relates to a kind of walls, and in particular to a kind of theater multifunctional wall body structure.
Background technology
The theater performance of present various regions is more and more, and the program of performance also imitate by more and more styles, various lighting effects, sound equipment
The special effects such as fruit even pyrotechnics are also more and more, and various powerful light and stereo set are more and more in arenas, this
Sample is also higher and higher to the hardware device requirement of arenas itself, and existing theater wall only considers robustness and soundproof effect, does not have
There is the task in view of fire prevention and cooling, and sound is larger in theater, this sound enters the sky on existing theater wall
Vibration is will produce after recalling air port, sends out abnormal sound, influences the auditory effect that neighbouring spectators watch program.
Invention content
The object of the present invention is to provide a kind of theater multifunctional wall body structure, which can prevent fires and cool down, noise reduction effect
Fruit is good, solves the problems, such as that air-conditioner air outlet generates vibration and sends out abnormal sound, auditory effect is good.
The technical solution adopted in the present invention is：
A kind of theater multifunctional wall body structure, wall include the steelframe for pouring cement layer, and fire prevention is equipped on the inside of steelframe
Wall, fire wall include two layers of fire barrier and the hollow layer between two layers of fire barrier, and cooling water pipe is equipped in hollow layer,
Cooling water pipe is covered with fire wall and intake-outlet is located at fire wall side, and soundproof wall, soundproof wall packet are equipped on the inside of fire wall
The sound-absorbing wallboard for offering sound-absorption hole is included, sound-absorbing wallboard surfaces externally and internally is the matte with evagination and concave inward structure, sound-absorbing wall
There are sound absorption cavity between plate and fire wall, air-conditioning duct through hole is provided on fire barrier, sound-absorbing wallboard indoors install by side
There is an air-conditioner air outlet, be equipped with deflector in air-conditioner air outlet, arranges on deflector, on air-conditioner air outlet inner wall and in sound absorption cavity
There is cylinder.
Further, the root of the cylinder in sound absorption cavity is equipped with annular groove.
Further, wall both sides are fixed with column, and column is equipped with track, sliding block, sliding block are slidably fitted on track
On be fixed with fire extinguisher, sliding block is driven by pneumatically or electrically machine.
Further, steelframe periphery is equipped with chute, and chute is equipped with several wire casings for being used to place conducting wire.
Further, it is fixed between sound-absorbing wallboard and air-conditioner air outlet and only shakes plate.
Further, cooling water pipe is distributed in horizontal S types, and cooling water pipe water inlet slave firewall side bottom penetrates, goes out
The mouth of a river is pierced by above water inlet.
Further, air-conditioner air outlet include be located at sound-absorbing wallboard among main air outlet and positioned at sound-absorbing wallboard surrounding
Secondary air outlet, main air outlet and secondary air outlet are mutual indepedent.
Further, fire barrier is fiber fire-proof plate.
Further, the fiber in fiber fire-proof plate is rock wool.
Further, steelframe is intersected by shaped steel and is constituted anyhow.
The beneficial effects of the invention are as follows：
Fire wall not only has and can play cooling effect to wall when water flowing in cooling water pipe with fireproof fire barrier
Fruit, effect is particularly evident when encountering fire dangerous situation, in usual cases, if the items on the program temperature in arenas is relatively high,
Cooling water pipe can also be utilized to cooling down in arenas when air-conditioning temperature-reducing deficiency.
Sound wave reflects between the evagination and indent of sound-absorbing wallboard matte, and when reflection can consume acoustic wave energy, play noise reduction
Effect has individual sound absorption cavity in soundproof wall, and sound wave, which is entered by sound-absorption hole after sound absorption cavity, repeatedly to be rebounded, and consumes sound wave energy
Amount, to realize erasure effect, the cylinder in sound absorption cavity can make sound wave be rebounded for several times until energy between multiple cylinders
Amount exhausts, and erasure effect is more preferably.
Cylinder on deflector and on air-conditioner air outlet inner wall can make sound wave rebound for several times between multiple cylinders
Until depleted of energy, allows the program sound effect taken part in a performance only to be spread out of from sound equipment, some noises sent out from wall can then disappear well
It removes, also mitigates the vibration generated into the part sound wave in air-conditioner air outlet, it is also advantageous to air-conditioner air outlet itself, and
And air-conditioner air outlet itself has covered sound-absorbing wallboard, also means that the part sound-absorbing wallboard covered loses sound-absorbing effect
Fruit, and air-conditioner air outlet itself band sound-absorbing and noise reduction then compensates for this disadvantage well, promote spectators and watch listening for program
Feel effect.
Description of the drawings
Fig. 1 is schematic diagram of the embodiment of the present invention.
Fig. 2 is the schematic diagram of Fig. 1 reverse side.
Fig. 3 is the schematic diagram of fire barrier and cooling water pipe in the embodiment of the present invention.
Fig. 4 is the schematic cross-section of fire wall and soundproof wall in the embodiment of the present invention.
Fig. 5 is the partial schematic diagram of secondary air outlet in the embodiment of the present invention.
In figure：1- columns；2- tracks；3- fire extinguishers；4- sliding blocks；5- cooling water pipes；6- sound-absorption holes；7- main air outlets；8-
Secondary air outlet；9- sound-absorbing wallboards；10- steelframes；11- chutes；12- fire barriers；13- air-conditioning duct through holes；14- is hollow
Layer；15- annular grooves；16- cylinders；17- sound absorption cavities；18- deflectors.
Specific implementation mode
The present invention is further illustrated with reference to the accompanying drawings and examples.
A kind of theater multifunctional wall body structure, as depicted in figs. 1 and 2, wall include the steelframe 10 for pouring cement layer, steel
10 inside of frame is equipped with fire wall, and as shown in Figure 3 and Figure 4, fire wall is including two layers of fire barrier 12 and is located at two layers of anti-fire screen
Hollow layer 14 between plate 12, hollow layer 14 is interior to be equipped with cooling water pipe 5, and cooling water pipe 5 is covered with fire wall and intake-outlet position
In fire wall side, fire wall is not only had and can be risen to wall when water flowing in cooling water pipe 5 with fireproof fire barrier 12
To cooling-down effect, effect is particularly evident when encountering fire dangerous situation, in usual cases, if the items on the program temperature ratio in arenas
When higher, cooling water pipe 5 can also be utilized to cooling down in arenas when air-conditioning temperature-reducing deficiency.As shown in figure 4, installation on the inside of fire wall
There is a soundproof wall, soundproof wall includes the sound-absorbing wallboard 9 for offering sound-absorption hole 6, and 9 surfaces externally and internally of sound-absorbing wallboard is with evagination and interior
The matte of recessed structure, there are sound absorption cavity 17 between sound-absorbing wallboard 9 and fire wall, sound wave is in the evagination of 9 matte of sound-absorbing wallboard and interior
It is reflected between recessed, when reflection can consume acoustic wave energy, play erasure effect, and it is laggard that sound wave by sound-absorption hole 6 enters sound absorption cavity 17
Row repeatedly rebound, consumes acoustic wave energy, to realize erasure effect, as shown in figure 3, it is logical to be provided with air-conditioning duct on fire barrier 12
Via 13, as shown in Figure 1 and Figure 5, side is equipped with air-conditioner air outlet to sound-absorbing wallboard 9 indoors, is equipped with and leads in air-conditioner air outlet
Flowing plate 18 is placed with cylinder 16 on deflector 18, on air-conditioner air outlet inner wall and in sound absorption cavity 17.On deflector 18, it is empty
Recall the cylinder 16 on the inner wall of air port and in sound absorption cavity 17 can make sound wave between multiple cylinders 16 for several times rebound until
Depleted of energy allows the program sound effect taken part in a performance only to be spread out of from sound equipment, some noises sent out from wall can then eliminate well,
The vibration that the part sound wave into air-conditioner air outlet generates is also mitigated, Er Qiekong also advantageous to air-conditioner air outlet itself
It recalls air port itself and has covered sound-absorbing wallboard 9, also mean that the part sound-absorbing wallboard 9 covered loses sound-absorbing effect
Fruit, and air-conditioner air outlet itself band sound-absorbing and noise reduction then compensates for this disadvantage well, promote spectators and watch listening for program
Feel effect.
As shown in Figure 1, in the present embodiment, air-conditioner air outlet includes main air outlet 7 and the position being located among sound-absorbing wallboard 9
In the secondary air outlet 8 of 9 surrounding of sound-absorbing wallboard, main air outlet 7 and secondary air outlet 8 are independently of each other.7 bore of main air outlet is larger, is
The main thoroughfare of air-supply can only open main air outlet 7 and blow, secondary air outlet 8 can close temporarily when personnel are less in arenas
It closes, saves unnecessary energy consumption.
As shown in Fig. 2, in the present embodiment, steelframe 10 is intersected anyhow by shaped steel to be constituted.
As depicted in figs. 1 and 2, in the present embodiment, wall both sides are fixed with column 1, and column 1 is equipped with track 2, track
It is slidably fitted with sliding block 4 on 2, fire extinguisher 3 is fixed on sliding block 4, sliding block 4 is driven by pneumatically or electrically machine.If there is fire danger
It slides up and down and can put out a fire to surface of wall by fire extinguisher 3 when feelings, effectively solve some eminence walls and spray fire extinguisher spray
Spill less than the problem of.
As depicted in figs. 1 and 2, in the present embodiment, 10 periphery of steelframe is equipped with chute 11, and chute 11 is equipped with several
A wire casing for placing conducting wire.The conducting wire of light can be placed into wire casing, when some light when something goes wrong, can be quick
Wire casing therein is found by detection and the conducting wire in wire casing is overhauled, is repaired in the shortest time, does not influence performance effect
Fruit.
As shown in figure 3, in the present embodiment, cooling water pipe 5 is distributed in horizontal S types, 5 water inlet tube mouth slave firewall of cooling water
Side bottom penetrates, water outlet is pierced by above water inlet.The distribution of S types can cover surface of wall to the greatest extent, cool down
More thoroughly, 5 intake-outlet of cooling water pipe is located at side bottom, convenient for external.
As shown in figure 4, in the present embodiment, the root of the cylinder 16 in sound absorption cavity 17 is equipped with annular groove 15.Annular groove
15 spaces formed are that sound absorption cavity 17 provides additional sound wave reflection space, and the sound wave in sound absorption cavity 17 is in annular groove 17
It can repeatedly be rebounded to play erasure effect.
In the present embodiment, it is fixed between sound-absorbing wallboard 9 and air-conditioner air outlet and only shakes plate.Sound wave is entering sound absorption cavity 17
Or in air-conditioner air outlet after can all generate resonance, and install additional only shake plate after can then reduce air-conditioner air outlet and sound-absorbing wallboard 9
Vibration, reduce abnormal sound source, also increase firmness of the air-conditioner air outlet on sound-absorbing wallboard 9.
In the present embodiment, fire barrier 12 is fiber fire-proof plate (fiber in fiber fire-proof plate is rock wool).Fiber is anti-
Not only quality itself is slim and graceful for fiery plate, but also flameproof effect is good, small to the load of wall itself.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of theater multifunctional wall body structure, it is characterised in that：Wall includes the steelframe for pouring cement layer, is pacified on the inside of steelframe
Equipped with fire wall, fire wall includes two layers of fire barrier and the hollow layer between two layers of fire barrier, is equipped in hollow layer
Cooling water pipe, cooling water pipe is covered with fire wall and intake-outlet is located at fire wall side, and soundproof wall is equipped on the inside of fire wall,
Soundproof wall includes the sound-absorbing wallboard for offering sound-absorption hole, and sound-absorbing wallboard surfaces externally and internally is rough with evagination and concave inward structure
Face is provided with air-conditioning duct through hole, sound-absorbing wallboard is indoors there are sound absorption cavity between sound-absorbing wallboard and fire wall on fire barrier
Side is equipped with air-conditioner air outlet, is equipped with deflector in air-conditioner air outlet, on deflector, on air-conditioner air outlet inner wall and sound absorption cavity
Inside it is placed with cylinder.
2. theater multifunctional wall body structure as described in claim 1, it is characterised in that：The root of cylinder in sound absorption cavity is set
There is annular groove.
3. theater multifunctional wall body structure as described in claim 1, it is characterised in that：Wall both sides are fixed with column, column
It is equipped with track, sliding block is slidably fitted on track, fire extinguisher is fixed on sliding block, sliding block is driven by pneumatically or electrically machine.
4. theater multifunctional wall body structure as described in claim 1, it is characterised in that：Steelframe periphery is equipped with chute, cabling
Frame is equipped with several wire casings for being used to place conducting wire.
5. theater multifunctional wall body structure as described in claim 1, it is characterised in that：Between sound-absorbing wallboard and air-conditioner air outlet
It is fixed with and only shakes plate.
6. theater multifunctional wall body structure as described in claim 1, it is characterised in that：Cooling water pipe is distributed in horizontal S types, cold
But water pipe water inlet slave firewall side bottom penetrates, water outlet is pierced by above water inlet.
7. theater multifunctional wall body structure as described in claim 1, it is characterised in that：Air-conditioner air outlet includes being located at sound-absorbing wall
Main air outlet among plate and the secondary air outlet positioned at sound-absorbing wallboard surrounding, main air outlet and secondary air outlet are mutual indepedent.
8. theater multifunctional wall body structure as described in claim 1, it is characterised in that：Fire barrier is fiber fire-proof plate.
9. theater multifunctional wall body structure as claimed in claim 8, it is characterised in that：Fiber in fiber fire-proof plate is rock
Cotton.
10. theater multifunctional wall body structure as described in claim 1, it is characterised in that：Steelframe is intersected anyhow by shaped steel to be constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051591.3A CN108360704A (en) | 2018-01-18 | 2018-01-18 | Theater multifunctional wall body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051591.3A CN108360704A (en) | 2018-01-18 | 2018-01-18 | Theater multifunctional wall body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108360704A true CN108360704A (en) | 2018-08-03 |
Family
ID=63006362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810051591.3A Withdrawn CN108360704A (en) | 2018-01-18 | 2018-01-18 | Theater multifunctional wall body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108360704A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344518A (en) * | 2019-07-29 | 2019-10-18 | 天津商业大学 | A kind of building fire protection wall unit |
| CN113202199A (en) * | 2021-04-19 | 2021-08-03 | 黄山学院 | Designable combined hole sound absorption material |
| CN113668732A (en) * | 2021-09-26 | 2021-11-19 | 袁文彬 | Rock wool fire prevention heat preservation system for building outer wall |
| CN117605237A (en) * | 2024-01-11 | 2024-02-27 | 苏州格丽室新材料科技有限公司 | Flame-retardant polyester fiber acoustic board |
-
2018
- 2018-01-18 CN CN201810051591.3A patent/CN108360704A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344518A (en) * | 2019-07-29 | 2019-10-18 | 天津商业大学 | A kind of building fire protection wall unit |
| CN113202199A (en) * | 2021-04-19 | 2021-08-03 | 黄山学院 | Designable combined hole sound absorption material |
| CN113668732A (en) * | 2021-09-26 | 2021-11-19 | 袁文彬 | Rock wool fire prevention heat preservation system for building outer wall |
| CN113668732B (en) * | 2021-09-26 | 2023-01-03 | 常州市戴溪建筑工程有限公司 | Rock wool fire prevention heat preservation system for building outer wall |
| CN117605237A (en) * | 2024-01-11 | 2024-02-27 | 苏州格丽室新材料科技有限公司 | Flame-retardant polyester fiber acoustic board |
| CN117605237B (en) * | 2024-01-11 | 2024-05-07 | 苏州格丽室新材料科技有限公司 | Flame-retardant polyester fiber acoustic board |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180803 |
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| WW01 | Invention patent application withdrawn after publication |