CN103526849B - Red mud environment friendly acoustical absorption plate - Google Patents
Red mud environment friendly acoustical absorption plate Download PDFInfo
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- CN103526849B CN103526849B CN201310475279.4A CN201310475279A CN103526849B CN 103526849 B CN103526849 B CN 103526849B CN 201310475279 A CN201310475279 A CN 201310475279A CN 103526849 B CN103526849 B CN 103526849B
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- red mud
- foaming agent
- compound foaming
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- frame
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 37
- 150000001875 compounds Chemical class 0.000 claims abstract description 50
- 239000004088 foaming agent Substances 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000004927 clay Substances 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000007711 solidification Methods 0.000 claims abstract description 7
- 230000008023 solidification Effects 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229920000570 polyether Polymers 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004887 air purification Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- -1 acyl diethanol amine Chemical compound 0.000 claims description 5
- BRDJPCFGLMKJRU-UHFFFAOYSA-N DDAO Chemical compound ClC1=C(O)C(Cl)=C2C(C)(C)C3=CC(=O)C=CC3=NC2=C1 BRDJPCFGLMKJRU-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 229940043237 diethanolamine Drugs 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005452 bending Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000005187 foaming Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 206010000269 abscess Diseases 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
The invention discloses a kind of red mud environment friendly acoustical absorption plate, the main points of its technical scheme are, built-in frame is lain on mould, after short steel pipes in built-in frame inserts column, red mud compound foaming agent is adopted to be cast in built-in frame periphery, built-in frame is embedded in the inside of compound foaming agent completely, after standing solidification process, roasting and cooling, is packaged as red mud environment friendly acoustical absorption board finished product.Red mud compound foaming agent is made up of raw materials such as red mud powder, concave convex rod potter's clay powder and hydrogen peroxide; The solidification of red mud compound foaming agent forms an integrated entirety afterwards with built-in frame, add the bulk strength of red mud environment friendly acoustical absorption plate, bending resistance and practical effect, not only there is the effect strengthening sound-absorbing and control noises pollution, the function that also there is insulation, adsorb and purify air.Red mud environment friendly acoustical absorption plate is applicable to be arranged in the facilities such as speedway, viaduct, urban light rail, subway, factory, warehouse, public place.
Description
Technical field
The present invention relates to abatvoix, be specifically related to a kind of red mud environment friendly acoustical absorption plate.
Background technology
City noise drastically influence normal life and the health of human body of townsfolk, city noise mainly refers to traffic noise, factory noise, construction noise pollution and noise of social activities, the influence basin of its noise and influence degree are day by day serious, on the impact of civic living environment greatly, one of noticeable city environmental pollution problem is become.
Usual employing damping material is produced the products such as some abatvoixs, noise barrier, sound-absorbing net and noise damper and is carried out control noises pollution, also has some damping materials to be by producing the products such as abatvoix, to improve the performance of product after foaming process.
The abatvoix quality of selling in the market after foaming is more crisp, and the bulk strength of abatvoix, bending resistance and result of use are undesirable; Be installed in the process on building wall at abatvoix, abatvoix needs the on-the-spot bolt hole boring more than 4, not only time-consuming, increase difficulty of construction, and be easy to when holing abatvoix to be broken or shatter, when abatvoix is arranged on after on building wall, due to the effect of gravity, the abatvoix after boring can be caused to come off from fragmentation building wall.
The contaminative waste residue of discharging when red mud is aluminium industry extraction alumina, average often produces 1 ton of alumina, incidentally produces 1.0 ~ 2.0 tons of red muds.The pH value of red mud is 10 ~ 12, and China is as large alumina producing state of the world the 4th, and the red mud of annual discharge is up to millions of tons.A large amount of red muds can not fully effectively utilize, large-area stockyard can only be relied on to stack, occupy a large amount of soil, the generation of red mud causes directly many-sided on the production of the mankind, life and indirectly affects, so reduce output and the harm of red mud to greatest extent, realize by all kinds of means, the resource of quantity is extremely urgent greatly.
Summary of the invention
The object of the invention is to overcome weak point in prior art, a kind of red mud environment friendly acoustical absorption plate is provided.
Red mud environment friendly acoustical absorption plate is made up of red mud compound foaming agent and built-in frame, built-in frame is lain on mould, after short steel pipes in built-in frame inserts column, red mud compound foaming agent is adopted to be cast in built-in frame periphery, built-in frame is embedded in the inside of compound foaming agent completely, after standing solidification process, roasting and cooling, be packaged as red mud environment friendly acoustical absorption board finished product.
After the acidified process of red mud, red mud pH value controls 5.5 ~ 7.5, can improve the utilization rate of red mud, turn waste into wealth.
The concave convex rod potter's clay powder with air purification function glues Concave-convex clay rod by height, attapulite constant humidity amendment, natural-minerals adsorptive filter medium, cacumen biotae, aluminium silicate fiber peacekeeping polyacrylamide form; there is good caking property, plasticity, thixotropy, refractoriness and heat stability; can the hazardous substances such as formaldehyde, ammonia and benzene in effective absorbed air, protection of the environment and promote the healthy of people.
High sticky Concave-convex clay rod is the Concave-convex clay rod adopting the processing technology improving viscosity of attapulgite clay to produce, Concave-convex clay rod soil property is fine and smooth, there is oily soapy, light weight, property are crisp, fracture is conchoidal or irregular shape, and water imbibition is strong, tool viscosity and plasticity time wet, its viscosity can reach more than 3000mPas, is conducive to the bonding between raw material.
High sticky Concave-convex clay rod powder refers to gets 28.0g Concave-convex clay rod powder sample, add in the suspension cup of homogenizer, add 372g water again, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, to pour in the beaker of 250mL through high-speed stirred sample suspension again, use the viscosity of NDJ-1 type rotation viscometer test suspension liquid, tested viscosity value>=2200
mPasconcave-convex clay rod powder.
Hydrogen peroxide is commonly called as hydrogen peroxide, outward appearance is colourless transparent liquid, be a kind of strong oxidizer, the present invention selects mass fraction >=35% of industrial hydrogen peroxide, with red mud powder and the concave convex rod potter's clay powder etc. with air purification function prepare burden mix after can generate a large amount of bubbles.
DDAO is a kind of amphoteric surfactant, colourless transparent liquid, for weak cation surfactant, in cationic in acid medium, in nonionic in alkaline medium, there is good thickening, antistatic, soft, foam enhancing and detergency ability, foaming abundancy and stablizing, the gentle excitant of character is low, has excellent antistatic behaviour and flexibility.
Cocounut oil acyl diethanol amine is water-soluble, has excellent decontamination, emulsification, foaming, steady bubble, dispersion, solubilising power.
Silicones polyethers emulsion is a kind of novel high polymer foam stabilizer, put in order by changing intramolecule, surfactant is steeped arrange closely neatly between bubble, thus form fine and close inner layer film, make anti-pressure ability strong especially, the structural stability of air bubble liquid-membrane can be controlled, make surfactant molecule in the Methodistic distribution of the liquid film of bubble, give elasticity and the self-reparing capability of have good lather, thus reach steady bubble effect desirable especially.
Polyether modified silicon oil is the organosilicon non-ionic surface active agent of a kind of unique properties adopting polyethers and dimethyl siloxane graft copolymerization, can reduce internal friction, the stress of its molecule, thus play levelling, froth breaking for the present invention.
The present invention is achieved by following technical proposals:
Red mud environment friendly acoustical absorption plate is a kind of rectangular plate-shaped body, is made up of built-in frame and red mud compound foaming agent, is designed with 4 ~ 32 short steel pipes in built-in frame, and the endoporus of short steel pipes is the installing hole of red mud environment friendly acoustical absorption plate; Lain in by built-in frame on mould, after the short steel pipes in built-in frame inserts column, adopt red mud compound foaming agent to be cast in built-in frame periphery, built-in frame is red mud environment friendly acoustical absorption boards half-finished product after being embedded in the inside of red mud compound foaming agent completely; After the standing solidification process of 1 ~ 7 day, taken out from mould by red mud environment friendly acoustical absorption boards half-finished product, be transported to roasting in tunnel cave, sintering temperature controls at 450 ~ 750 DEG C, roasting time controls at 3 ~ 8 hours, is packaged as red mud environment friendly acoustical absorption board finished product after cooling.
Red mud compound foaming agent batching is made up of following component by weight percentage: red mud compound foaming agent paste 25 ~ 80%, hydrogen peroxide 2 ~ 35%, polyether modified silicon oil 0.001 ~ 5% and water 1 ~ 45%; The production method of red mud compound foaming agent: stir in red mud compound foaming agent batching input homogenizer, the speeds control of mixer is at 1400 ~ 1800 revs/min, mixing time controls at 2 ~ 30 minutes, be red mud compound foaming agent after stirring, containing intensive bubble stable in a large number in red mud compound foaming agent.
Red mud compound foaming agent paste batching is made up of following component by weight percentage: red mud powder 15 ~ 55%, the concave convex rod potter's clay powder 5 ~ 35% with air purification function, DDAO 0.01 ~ 25%, cocounut oil acyl diethanol amine 0.01 ~ 20%, silicones polyethers emulsion 0.01 ~ 5% and water 5 ~ 55%; The production method of red mud compound foaming agent paste: stir in red mud compound foaming agent paste batching input low-speed mixer, the speeds control of mixer is at 600 ~ 800 revs/min, mixing time controls at 2 ~ 20 minutes, for red mud compound foaming agent paste after stirring, generating portion bubble in red mud compound foaming agent paste.
Red mud compound foaming agent has applied for patent of invention, China Patent Publication No.: CN103274753A, publication date: on 09 04th, 2013.
Built-in frame is a kind of rectangular steel structure frame, is made up of in built-in frame 4 ~ 32 short steel pipes, 4 ~ 52 pieces of punching expanded metal laths and 2 ~ 42 reinforcing ribs; The upper plane of short steel pipes is processed as a kind of counter sink, a rectangular frame is welded as with punching expanded metal lath between short steel pipes and short steel pipes, punching expanded metal lath hole is circular opening, the horizontal center line at short steel pipes height 1/2 place and the horizontal center line at punching expanded metal lath width 1/2 place overlap, in rectangular frame with the diagonal at height 1/2 place between short steel pipes and short steel pipes for interface, reinforcing rib is welded as, a common composition built-in frame with screw-thread steel; In built-in frame, the plane of short steel pipes top counter sink consists of plane on built-in frame jointly, and short steel pipes lower flat consists of built-in frame lower plane jointly;
For the production of the built-in frame separate case application utility model patent of abatvoix, number of patent application is: 201320579228.1, the applying date: on September 18th, 2013.
Mould is a kind of rectangular mould, is made up of a block length square floor, rectangle locating slot, rectangle frame, 2 rectangle handles and 4 ~ 32 cylindrical columns; Locating slot is welded on the upper plane of die bottom plate according to the position dimension of design, column is arranged on the upper plane of die bottom plate according to the relative position size of design, frame is placed in locating slot, 2 handles are arranged on middle outside frame the right and left respectively, and the lower plane of die bottom plate is placed on vibrations workbench;
For the production of the mould separate case application utility model patent of abatvoix, number of patent application is: 201320575991.7, the applying date: on September 17th, 2013.
Built-in frame has been inlayed in red mud environment friendly acoustical absorption plate, the solidification of red mud compound foaming agent forms an integrated entirety afterwards with built-in frame, red mud environment friendly acoustical absorption boards half-finished product, after roasting, considerably increases the bulk strength of red mud environment friendly acoustical absorption plate, bending resistance and practical effect.
At construction site, do not need boring, directly with cross recessed countersunk head tapping screw, red mud environment friendly acoustical absorption plate is arranged on the metope of building, saving of work and time, red mud environment friendly acoustical absorption plate also can not be caused to come off from fragmentation building wall.
It is evenly fine and smooth that red mud compound foaming agent in red mud environment friendly acoustical absorption plate has the abscess that foaming capacity is strong, coefficient of foaming is high, unit volume bubble production volume large, produce, foam adventitia good toughness is not easily broken, foam stability is good, can not froth breaking for a long time, invalid bubble is produced to reduce product surface, improve the make rate of abscess, the effect of the mould that prevents from collapsing.
Red mud environment friendly acoustical absorption plate there will not be layering in casting process, and product stripping speed is fast, and finish is good, further increases the later strength of product.
The red mud that red mud compound foaming agent adopts acidification and the concave convex rod potter's clay powder with air purification function are mainly raw material; there is good caking property, plasticity, thixotropy, refractoriness and heat stability; can the hazardous substances such as formaldehyde, ammonia and benzene in effective absorbed air, protection of the environment and promote the healthy of people.
Red mud environment friendly acoustical absorption plate not only has the effect strengthening sound-absorbing and control noises pollution, the function also having insulation, adsorb and purify air.
Red mud environment friendly acoustical absorption plate is applicable to be arranged in the facilities such as speedway, viaduct, urban light rail, subway, factory, warehouse, public place.
Accompanying drawing explanation
Fig. 1 is red mud environment friendly acoustical absorption plate schematic diagram, and Fig. 2 is the A-A direction view of Fig. 1, and Fig. 3 is the schematic diagram that built-in frame lies in when pouring into a mould in mould, and Fig. 4 is the schematic diagram be arranged on by red mud environment friendly acoustical absorption plate on building wall.
As shown in the figure: 1 is red mud environment friendly acoustical absorption plate, and 2 is built-in frames, and 3 is red mud compound foaming agents, and 4 is moulds, and 5 is short steel pipes, and 6 is columns, and 7 is cross recessed countersunk head tapping screws, 8 is metopes of building.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Red mud environment friendly acoustical absorption plate is a kind of rectangular plate-shaped body 1, is made up of built-in frame 2 and red mud compound foaming agent 3, is designed with 6 short steel pipes 5 in built-in frame 2; Built-in frame 2 is lain on mould 4, after short steel pipes 5 in built-in frame 2 inserts column 6, adopt red mud compound foaming agent 3 to be cast in built-in frame 2 peripheral, built-in frame 2 is red mud environment friendly acoustical absorption boards half-finished product after being embedded in the inside of red mud compound foaming agent 3 completely; After the standing solidification process of 6 days, taken out from mould by red mud environment friendly acoustical absorption boards half-finished product, be transported to roasting in tunnel cave, sintering temperature controls at 600 ~ 750 DEG C, and roasting time controls at 6 hours, is packaged as red mud environment friendly acoustical absorption board finished product after cooling.
Described red mud compound foaming agent batching is made up of following component by weight percentage: red mud compound foaming agent paste 68%, hydrogen peroxide 26.95%, polyether modified silicon oil 0.05% and water 5%; The production method of red mud compound foaming agent: stir in red mud compound foaming agent batching input homogenizer, the speeds control of mixer is at 1500 ~ 1600 revs/min, mixing time controls at 10 minutes, is red mud compound foaming agent after stirring.
Described red mud compound foaming agent paste batching is made up of following component by weight percentage: red mud powder 38%, the concave convex rod potter's clay powder 18% with air purification function, DDAO 3%, cocounut oil acyl diethanol amine 2%, silicones polyethers emulsion 1% and water 38%; The production method of red mud compound foaming agent paste: stir in red mud compound foaming agent paste batching input low-speed mixer, the speeds control of mixer is at 650 ~ 750 revs/min, mixing time controls at 8 minutes, is red mud compound foaming agent paste after stirring.
At construction site, directly with cross recessed countersunk head tapping screw 7, red mud environment friendly acoustical absorption plate 1 is arranged on the metope 8 of building.
Claims (1)
1. a red mud environment friendly acoustical absorption plate, is characterized in that, red mud environment friendly acoustical absorption plate is a kind of rectangular plate-shaped body, is made up of built-in frame and red mud compound foaming agent, is designed with 4 ~ 32 short steel pipes in built-in frame; Lain in by built-in frame on mould, after the short steel pipes in built-in frame inserts column, adopt red mud compound foaming agent to be cast in built-in frame periphery, built-in frame is red mud environment friendly acoustical absorption boards half-finished product after being embedded in the inside of red mud compound foaming agent completely; After the standing solidification process of 1 ~ 7 day, taken out from mould by red mud environment friendly acoustical absorption boards half-finished product, be transported to roasting in tunnel cave, sintering temperature controls at 450 ~ 750 DEG C, roasting time controls at 3 ~ 8 hours, is packaged as red mud environment friendly acoustical absorption board finished product after cooling;
Described red mud compound foaming agent batching is made up of following component by weight percentage: red mud compound foaming agent paste 25 ~ 80%, hydrogen peroxide 2 ~ 35%, polyether modified silicon oil 0.001 ~ 5% and water 1 ~ 45%; The production method of red mud compound foaming agent: stir in red mud compound foaming agent batching input homogenizer, the speeds control of mixer is at 1400 ~ 1800 revs/min, mixing time controls at 2 ~ 30 minutes, is red mud compound foaming agent after stirring;
Described red mud compound foaming agent paste batching is made up of following component by weight percentage: red mud powder 15 ~ 55%, the concave convex rod potter's clay powder 5 ~ 35% with air purification function, DDAO 0.01 ~ 25%, cocounut oil acyl diethanol amine 0.01 ~ 20%, silicones polyethers emulsion 0.01 ~ 5% and water 5 ~ 55%; The production method of red mud compound foaming agent paste: stir in red mud compound foaming agent paste batching input low-speed mixer, the speeds control of mixer is at 600 ~ 800 revs/min, mixing time controls at 2 ~ 20 minutes, is red mud compound foaming agent paste after stirring.
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| CN201310475279.4A CN103526849B (en) | 2013-10-13 | 2013-10-13 | Red mud environment friendly acoustical absorption plate |
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| CN201310475279.4A CN103526849B (en) | 2013-10-13 | 2013-10-13 | Red mud environment friendly acoustical absorption plate |
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| CN103526849A CN103526849A (en) | 2014-01-22 |
| CN103526849B true CN103526849B (en) | 2015-12-23 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758228A (en) * | 2014-01-28 | 2014-04-30 | 许庆华 | Environment-friendly perlite foaming acoustic panel |
| CN103758225A (en) * | 2014-01-28 | 2014-04-30 | 许庆华 | Green mixed layer clay mineral environment-friendly foaming acoustic board |
| CN103758226A (en) * | 2014-01-28 | 2014-04-30 | 许庆华 | Environmentally-friendly C/S clay mineral foaming acoustic panel |
| CN109252609A (en) * | 2018-08-10 | 2019-01-22 | 安徽辰航新材料科技有限公司 | Aluminum alloy sound-absorbing radiation-absorbing ceiling board |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618567A (en) * | 2009-08-04 | 2010-01-06 | 王建国 | Manufacturing method of ecological fire preventing and heat insulating building material |
| CN201952921U (en) * | 2011-01-10 | 2011-08-31 | 济南大学 | Lightweight red mud foaming wall panel |
| CN103274753A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Red mud compound type foaming agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100919229B1 (en) * | 2008-11-04 | 2009-09-28 | 김두원 | Eco low noise mold panel |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618567A (en) * | 2009-08-04 | 2010-01-06 | 王建国 | Manufacturing method of ecological fire preventing and heat insulating building material |
| CN201952921U (en) * | 2011-01-10 | 2011-08-31 | 济南大学 | Lightweight red mud foaming wall panel |
| CN103274753A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Red mud compound type foaming agent |
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