CN106145868B - The method of the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones - Google Patents

The method of the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones Download PDF

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Publication number
CN106145868B
CN106145868B CN201610518545.0A CN201610518545A CN106145868B CN 106145868 B CN106145868 B CN 106145868B CN 201610518545 A CN201610518545 A CN 201610518545A CN 106145868 B CN106145868 B CN 106145868B
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sponge brick
catchments
mica
porous sponge
perforate
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CN106145868A (en
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张丽丽
郭志东
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Shandong University of Technology
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Shandong University of Technology
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26Silicates of the alkali metals
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/08Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/225Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C5/00Pavings made of prefabricated single units
    • E01C5/04Pavings made of prefabricated single units made of bricks
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00241Physical properties of the materials not provided for elsewhere in C04B2111/00
    • C04B2111/00284Materials permeable to liquids
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075Uses not provided for elsewhere in C04B2111/00 for road construction
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/52Sound-insulating materials

Abstract

The method that the present invention provides the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones, comprises the following steps:The dispensing of the porous sponge brick that catchments:By 15~20wt% of cement, particle diameter is 300~500 μm of 45~65wt% of mica ore perforate cenosphere, 5~15wt% of sodium metasilicate of modulus 3.2~3.5, particle diameter is 100~200 μm of 3~5wt% of calcium oxide, 5~7wt% of flyash of loss on ignition 1.1%, 0.5~5.0wt% of high hydroscopic resin fiber and 15~30wt% of ceramic fibre are well mixed, compound is sized mixing with 0.5~0.7 ratio of mud, add the aluminium powder cream that compound gross weight is 0.2~1.5%, aluminium powder cream hydration reaction generates bubble, form porous expansion water suction slurries, expansion water suction slurries are stirred and poured into the die trial of sponge brick press, through striking off, compacting, the demoulding, dry, sponge brick is made.

Description

The method of the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones
Technical field
The present invention relates to the method for the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones, belong to material technology Neck.
Background technology
Due to EI Nino and La Nina Phenomenon, there is extreme change in the weather in China, and rainfall distributed pole is uneven, south Northern drought and waterlogging are uneven, and rainfall is also extremely unequal in same area, 1 year, and water shortage has restricted expanding economy and the people Life, rationally using existing precipitation, by cell road surface, road, the effective precipitation in public leisure square rationally collect, store, Utilize, alleviate the water of using in drought and water shortage season, it is significant.
The content of the invention
Mica ore is a kind of aluminium magensium silicate of layer structure, high silicon, high alumina, shrinkage factor are low, high resilience, wearability Good, compression strength is big, and mechanical performance is high, chemical property is stable, acid and alkali-resistance, fire-retardant, anticorrosive, heat resistanceheat resistant dilatancy, good fluidity, Good modifying agent, ceramic fibre increases the mechanical tenacity of sponge brick, moreover it is possible to make sponge brick formed it is multiple intersect in length and breadth it is micro- Hole, micropore have the function of sound-absorbing, and using sodium metasilicate as binding agent, cement increases mechanical strength for the porous sponge brick that catchments and glued Knot acts on, and the resin fibre of polyvinyl alcohol high water absorption is strong water absorbent, using dilatant slurry, reduces the density of slurries, manufactured One face of the porous sponge brick that catchments is in dovetail channel-shaped, and the porous moisture for catchmenting the absorption of sponge brick enters dovetail groove, by gravity Effect flows into collector pipe again, and collector pipe links together the porous sponge brick that catchments, and rainwater catchment is into collecting-tank.
Its technical scheme is:The method of the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones is the first step, more Hole is catchmented the dispensing of sponge brick:15~20wt% of cement, particle diameter be 300~500 μm of mica ore perforate cenospheres 45~ 65wt%, 5~15wt% of sodium metasilicate of modulus 3.2~3.5, particle diameter are 100~200 μm of 3~5wt% of calcium oxide, loss on ignition 1.1% 15~30wt% of 5~7wt% of flyash, 0.5~5.0wt% of high hydroscopic resin fiber and ceramic fibre, the weight of above each component Percentage sum is 100%;
The preparation of second step, the porous sponge brick expansion water suction slurries that catchment:Sample by the percentage by weight of the first step, first will Particle diameter is that 50~100 μm of mica ore perforate cenospheres are put into feed bin, and distributing device is sent into by elevator, and distributing device is by mica Ore perforate cenosphere is evenly distributed on governing belt balance, and the sodium metasilicate of modulus 3.2~3.5 is uniformly sprayed at by spray thrower The outer surface of mica ore perforate cenosphere, enter inside spin drum agitation device with governing belt balance, sodium metasilicate is inorganic viscous Mixture, is hydrophilic, and cohesive force is strong, intensity is higher, acid resistance, heat-resist, and hydrophilicity does not influence caking property, compound It is 300~500 μm of 45~65wt% of mica ore perforate cenosphere, moduluses 3.2~3.5 for 15~20wt% of cement, particle diameter 5~15wt% of sodium metasilicate, particle diameter are 100~200 μm of 3~5wt% of calcium oxide, 5~7wt% of flyash of loss on ignition 1.1%, height are inhaled 15~30wt% of 0.5~5.0wt% of water-resin fiber and ceramic fibre, compound is sized mixing with 0.5~0.7 ratio of mud, ash is Compound, the aluminium powder cream that compound gross weight is 0.2~1.5% is added, hydration reaction generation bubble, porous expansion is formed and inhales The slurries of water, the weight of sponge brick is reduced, polyvinyl alcohol high hydroscopic resin fiber has extremely strong water imbibition, the sponge after water suction Brick compression strength is constant, and ceramic fibre is hollow type, can increase the mechanical tenacity of sponge brick, moreover it is possible to forms sponge brick multiple vertical The micropore of traversed by fork, micropore have stronger sound absorption function;
The preparation of 3rd step, the porous sponge brick that catchments:Expansion water suction slurries prepared by second step, which stir, pours into sea In the die trial of continuous brick press, by 1.2~2.0:1 volume ratio is suppressed, and ratio 1.2~2.0 is the volume before compacting, and ratio 1 is Volume after compacting, through striking off, suppressing, being stripped, dry, a face of the manufactured porous sponge brick that catchments is in dovetail channel-shaped, more Hole catchment sponge brick absorption moisture enter dovetail groove in, collector pipe insertion dovetail groove in, rainwater passes through the porous sponge brick that catchments Collect, into dovetail groove, flowed into collector pipe again by the effect of gravity, the single porous sponge brick that catchments is connected to by collector pipe Together, the rainwater that collector pipe collects enters in collecting-tank.
The preparation of mica ore perforate cenosphere:It is spherical solid micro- that mica ore is first processed into 100~300 μm of particle diameter Pearl, boosted machine, which enters in 360~500 DEG C of preheating furnaces, to be preheated, and is sloughed intermolecular Free water, is retained the interior water of intramolecular, in advance Material after heat is distributed by elevator into cloth distributor through uniform distribution again, and the mica microballon after preheating is opened into drawing-in type In the puffing furnace of hole, by 800~900 DEG C of expansions, 1000~1400 DEG C of high temperature sinterings, air-flow from the bottom of drawing-in type perforate puffing furnace Portion enters in stove, and in the presence of the suction force of air-introduced machine, drawing-in type perforate expands the microballon after sintering from the bottom of puffing furnace Top is moved to, through feed pipe to product feed bin, quick cooling, forms 50~100 μm of wall thickness, the mica that 300~500 μm of particle diameter Ore perforate cenosphere, by high temperature sintering, thermally-denatured mica ceramics material is formed, mica ore is a kind of stratiform knot The aluminium magensium silicate of structure, high silicon, high alumina, shrinkage factor are low, high resilience, wearability are good, and compression strength is big, and mechanical performance is high, changes It is stable to learn property, acid and alkali-resistance, fire-retardant, anticorrosive, heat resistanceheat resistant dilatancy, good fluidity, are good modifying agent.
Calcium oxide hydration reaction, substantial amounts of heat is produced, generation calcium hydroxide is in as a form of gel, is given birth to silica, aluminum oxide Into calcium silicates, calcium oxide is activator, the activity of excited cement.
A rainwater part for accumulation is pooled in collecting-tank by the porous sponge brick that catchments by collector pipe, and another part penetrates into Into soil, increase soil water content, in summer high-temperature season, the heat on surface can also be transmitted to by the porous sponge brick that catchments In soil, the temperature on sponge tile floor surface is reduced, the thermal capacity of water is high, and can absorb heat also can heat release.
Flyash is strong water absorbent, by high temperature sintering, there is higher activity.
The present invention has advantages below.
1st, the Materials Inorganic environment-friendly materials used in sponge brick are prepared, environment will not be damaged, the recyclable energy of sponge brick Secondary use.
2nd, it is strong water absorbent to prepare sponge brick flyash and the resin fibre of polyvinyl alcohol high water absorption, can absorb sponge brick table The moisture in face enters inside, when reaching certain amount, is dropped into the presence of by gravity in collector pipe.
3rd, aluminium powder cream is added in compound, forms the slurries of porous expansion, reduces the density of slurries.
4th, toughened fiber enhancing sponge brick resistance to compression and fold resistance.
5th, mica ore is a kind of aluminium magensium silicate of layer structure, and high silicon, high alumina, shrinkage factor are low, high resilience, wear-resisting Property it is good, compression strength is big, and mechanical performance is high, chemical property is stable, acid and alkali-resistance, fire-retardant, anticorrosive, heat resistanceheat resistant dilatancy, mobility It is good, it is good modifying agent.
6th, ceramic fibre is hollow form, can increase the mechanical tenacity of sponge brick, moreover it is possible to forms sponge brick and multiple hands in length and breadth The micropore of fork, micropore have stronger sound absorption function.
Brief description of the drawings
Fig. 1 is the axle geodesic structure schematic diagram of the sea brick of the embodiment of the present invention.
Fig. 2 is that the bottom of the sea brick of the embodiment of the present invention regards structural representation.
Fig. 3 is the structural representation that the monolithic sponge brick of the embodiment of the present invention is linked together by collector pipe.
Wherein 1 in figure, sponge brick 2, dovetail groove 3, collector pipe.
Embodiment
Embodiment.
In embodiment as shown in Figures 1 to 3, the side of the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones Method, the preparation of the first step, mica ore perforate cenosphere:Mica ore is first processed into 150 μm of spherical solid microbeads of particle diameter, Boosted machine, which enters in 450 DEG C of preheating furnaces, to be preheated, and is sloughed intermolecular Free water, is retained the interior water of intramolecular, the thing after preheating Material is distributed by elevator into cloth distributor through uniform distribution again, and it is swollen that the mica ore microballon after preheating enters drawing-in type perforate Change in stove, enter by 850 DEG C of expansions, 1100 DEG C of high temperature sinterings, air-flow from the bottom of drawing-in type perforate puffing furnace in stove, drawing In the presence of the suction force of blower fan, the microballon after drawing-in type perforate expansion sintering moves to top from the bottom of puffing furnace, through sending Expects pipe quick cooling, forms 80 μm of wall thickness, the mica perforate cenosphere of 350 μm of particle diameter, burnt by high temperature to product feed bin Knot, forms modified micaceous ceramic material, and mica ore is a kind of aluminium magensium silicate of layer structure, high silicon, high alumina, shrinkage factor Low, high resilience, wearability are good, and compression strength is big, and mechanical performance is high, chemical property is stable, acid and alkali-resistance, fire-retardant, anticorrosive, anti- Thermal expansivity, good fluidity, it is good modifying agent.
The dispensing of second step, the porous sponge brick that catchments:Cement 15wt%, particle diameter are 350 μm of mica ore perforate cenospheres 45wt%, the sodium metasilicate 12wt% of modulus 3.3, particle diameter are 150 μm of calcium oxide 3wt%, the flyash 7wt% of loss on ignition 1.1%, height are inhaled Water-resin fiber 2.0wt% and ceramic fibre 16wt%.
The preparation of 3rd step, the porous sponge brick expansion water suction slurries that catchment:Sample by the percentage by weight of the first step, first will Particle diameter is that 350 μm of mica ore perforate cenospheres are put into feed bin, and distributing device is sent into by elevator, and distributing device is by mica ore Perforate cenosphere is evenly distributed on governing belt balance, and the sodium metasilicate of modulus 3.3 is uniformly sprayed at mica ore by spray thrower The outer surface of perforate cenosphere, enter inside spin drum agitation device with governing belt balance, compound is adjusted with 0.6 ratio of mud Slurry, the aluminium powder cream that compound gross weight is 0.8% is added, hydration reaction generation bubble, the slurries of porous expansion is formed, reduces The weight of sponge brick, polyvinyl alcohol high hydroscopic resin fiber have extremely strong water imbibition, and the sponge brick compression strength after water suction is not Become, ceramic fibre increases the mechanical tenacity of sponge brick, moreover it is possible to sponge brick is formed multiple micropores intersected in length and breadth, micropore, which has, to be inhaled The function of sound.
The preparation of 4th step, the porous sponge brick that catchments:Expansion water suction slurries prepared by second step, which stir, pours into sea In the die trial of continuous brick press, by 1.8:1 volume ratio compacting, through striking off, suppressing, being stripped, dries, manufactured porous to catchment One face of sponge brick 1 is in the shape of dovetail groove 2, and the porous moisture for catchmenting the absorption of sponge brick 1 enters in dovetail groove 2, in dovetail groove 2 Collector pipe 3 is installed, rainwater collects by the porous sponge brick 1 that catchments, into dovetail groove 2, flowed into again by the effect of gravity Collector pipe 3, collector pipe 3 link together the single porous sponge brick 1 that catchments, and the rainwater that collector pipe 3 collects enters in collecting-tank, By precipitating, filtering, reuse.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc. Embodiment is imitated, every without departing from technical solution of the present invention content, the technical spirit according to type of the present invention is made to above example Any simple modification, equivalent variations and remodeling, still fall within the protection domain of type technical scheme of the present invention.

Claims (1)

1. the method for the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones, comprises the following steps:
The dispensing of the first step, the porous sponge brick that catchments:It is 300~500 μm of mica ore perforates by 15~20wt% of cement, particle diameter 45~65wt% of cenosphere, 5~15wt% of sodium metasilicate of modulus 3.2~3.5, particle diameter be 100~200 μm of calcium oxide 3~ 5wt%, 5~7wt% of flyash of loss on ignition 1.1%, 0.5~5.0wt% of high hydroscopic resin fiber and 15~30wt% of ceramic fibre take Sample, the percentage by weight sum of above each component is 100%, the preparation of mica ore perforate cenosphere:First mica ore is added Into 100~300 μm of spherical solid microbeads of particle diameter, boosted machine enters in 360~500 DEG C of preheating furnaces to be preheated work, is sloughed intermolecular Free water, retain the interior water of intramolecular, the material after preheating is distributed by elevator into cloth distributor through uniform distribution again, Mica microballon after preheating enters in drawing-in type perforate puffing furnace, is burnt by 800~900 DEG C of expansions, 1000~1400 DEG C of high temperature Knot, air-flow enter in stove from the bottom of drawing-in type perforate puffing furnace, and in the presence of the suction force of air-introduced machine, drawing-in type perforate is swollen Microballon after swollen sintering moves to top from the bottom of puffing furnace, through feed pipe to product feed bin, quick cooling, forms wall thickness 50 ~100 μm, the mica ore perforate cenosphere of 300~500 μm of particle diameter;
The preparation of second step, the porous sponge brick expansion water suction slurries that catchment:Sampled by the percentage by weight of the first step, first by particle diameter It is put into for 300~500 μm of mica ore perforate cenospheres in feed bin, distributing device is sent into by elevator, distributing device is by MICA Stone perforate cenosphere is evenly distributed on governing belt balance, and the sodium metasilicate of modulus 3.2~3.5 is uniformly sprayed at cloud by spray thrower The outer surface of female perforate cenosphere, mica ore perforate cenosphere enter inside spin drum agitation device with governing belt balance, Compound is sized mixing with 0.5~0.7 ratio of mud, the aluminium powder cream that compound gross weight is 0.2~1.5% is added and stirs, Aluminium powder cream hydration reaction generates bubble, forms the slurries of porous expansion water suction;
The preparation of 3rd step, the porous sponge brick that catchments:Expansion water suction slurries prepared by second step, which stir, pours into sponge brick In the die trial of press, through striking off, suppressing, being stripped, dry, the manufactured porous sponge brick that catchments(1)A face be in dovetail groove (2)Shape, collector pipe(3)Embedded dovetail groove(2)Interior, rainwater passes through the porous sponge brick that catchments(1)Collect, into dovetail groove(2) It is interior, then flow into collector pipe(3), collector pipe(3)By the single porous sponge brick that catchments(1)Link together, collector pipe(3)Collect Rainwater enters in collecting-tank.
CN201610518545.0A 2016-07-05 2016-07-05 The method of the sound absorption-type ceramic fibre MICA standby porous sponge brick that catchments made of stones Active CN106145868B (en)

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CN108007738A (en) * 2017-11-21 2018-05-08 淄博职业学院 The standby oil well antiseepage well cementation test block performance test made of stones of heat-resistance type polyester fiber Mica Mine
CN108007735A (en) * 2017-11-21 2018-05-08 淄博职业学院 Intumescent ceramic fibre Copper Ores prepare oil well antiseepage well cementation test block performance test

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Publication number Priority date Publication date Assignee Title
CN101279831A (en) * 2008-06-03 2008-10-08 廖合堂 Gastrosil plate and preparation thereof
CN104261775A (en) * 2014-09-19 2015-01-07 山东宏德新材料有限公司 Self-insulation building block and preparation method thereof
CN104944862A (en) * 2015-06-10 2015-09-30 甘肃颐和新型材料有限责任公司 Energy-saving wall material produced by using construction solid wastes and producing method of wall material
CN105330219A (en) * 2015-12-01 2016-02-17 武汉大学 Biomass power plant ash-based autoclaving-free aerated concrete sound absorbing and insulating brick and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101279831A (en) * 2008-06-03 2008-10-08 廖合堂 Gastrosil plate and preparation thereof
CN104261775A (en) * 2014-09-19 2015-01-07 山东宏德新材料有限公司 Self-insulation building block and preparation method thereof
CN104944862A (en) * 2015-06-10 2015-09-30 甘肃颐和新型材料有限责任公司 Energy-saving wall material produced by using construction solid wastes and producing method of wall material
CN105330219A (en) * 2015-12-01 2016-02-17 武汉大学 Biomass power plant ash-based autoclaving-free aerated concrete sound absorbing and insulating brick and preparation method thereof

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