CN107759158A - A kind of autoclave aerated concrete building block and preparation method thereof - Google Patents
A kind of autoclave aerated concrete building block and preparation method thereof Download PDFInfo
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- CN107759158A CN107759158A CN201711048349.2A CN201711048349A CN107759158A CN 107759158 A CN107759158 A CN 107759158A CN 201711048349 A CN201711048349 A CN 201711048349A CN 107759158 A CN107759158 A CN 107759158A
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Abstract
The invention discloses a kind of autoclave aerated concrete building block, belongs to steam-pressing aero-concrete preparing technical field.The autoclave aerated concrete building block is in units of parts by weight, including following component：72 86 parts of power plant's furnace bottom ash, 45 65 parts of rivers silt, 33 39 parts of mine tailings, 5 10 parts of cement, 15 20 parts of lime, 24 parts of desulfurated plaster, 0.5 1.2 parts of aluminium powder, 0.3 0.7 parts of water reducer, 0.2 0.5 parts of water-loss reducer.The present invention is a kind of New Building Materials of very light-duty insulation, have the advantages that higher intensity, light, easy processing, easy for construction, cost is relatively low, insulation, heat-insulated, sound insulation, fire resistance preferably, reusable edible, be a kind of country widely popularize reusable edible low-carbon, environmental protection novel wall material.
Description
Technical field
The invention belongs to concrete segment preparing technical field, and in particular to a kind of autoclave aerated concrete building block and its system
Preparation Method.
Background technology
China prohibits the use of solid clay brick at present, and advocates using lightweight, energy-conservation, the air-entrained concrete building block being incubated
Brick.In the prior art, air-entrained concrete building block product is primarily present both sides deficiency, first, formula is unreasonable, causes
Product strength and anti-freezing property are poor；Second, production line recycling is poor in energy-saving aspect application effect.Using flyash,
Lime and gypsum are many for the method for the air-entrained concrete building block product of main production raw material, but it has used cement conduct mostly
One of raw material, and raw material proportioning is unreasonable, the parameter in process is not grasped, causes final product quality undesirable.
Autoclave aerated concrete building block is using siliceous material and calcareous material as primary raw material, foaming agent is mixed, through adding water
Stirring, hole is formed by chemical reaction, more by lightweights made of technical process such as moulding by casting, precuring cutting, steam press maintenances
The new construction material in hole.Steam-pressing aero-concrete has concurrently：1) unit weight is light, and its weight only has the 1/3 of clay brick, common mixed
The 1/5 of solidifying soil, it is high-rise, high-rise building and the preferable light material of large spatial structure building；2) good heat insulating, heat conduction
Coefficient is low, meets requirement of the modern architecture to wall thermal insulating；3) machinability is strong, and air-entrained concrete building block has preferably elasticity
Modulus, it can saw, dig, bore, follow closely, field fabrication property is strong, and advantage is provided to construction.
In recent years, cement-lime-sand, cement-lime-flyash, the big steam pressurized coagulation of series of cement-slag-sand three
Native produce is developed and applied well.But with flyash, the raising year by year of sand price, find cheap new raw material
Turn into a kind of inevitable trend.
The content of the invention
Present invention aims to overcome that the shortcomings that prior art, there is provided a kind of to utilize the steam pressurized of power plant's furnace bottom ash preparation
Concrete segment, the building block is using cheap power plant's furnace bottom ash as raw material, and cost is relatively low and performance is good.Present invention also offers above-mentioned
The preparation method of autoclave aerated concrete building block.
To solve above technical problem, the present invention uses following technical scheme：
A kind of autoclave aerated concrete building block, in units of parts by weight, including following component：Power plant's furnace bottom ash 72-86 parts,
Rivers silt 45-65 parts, mine tailings 33-39 parts, cement 5-10 parts, lime 15-20 parts, desulfurated plaster 2-4 parts, aluminium powder 0.5-
1.2 parts, water reducer 0.3-0.7 parts, water-loss reducer 0.2-0.5 parts；
Wherein described power plant's furnace bottom ash fineness 0.08mm hole sizers are tailed over as 15%-20%；Power plant's furnace bottom ash include with
The composition of lower percentage by weight：Silica 45%-52%, alundum (Al2O3) 15%-23%, iron oxide 1%-3%, oxidation are sub-
Iron 3%-6%；Calcium oxide content in the rivers silt is 86%-94%, and 0.08mm hole sizers are tailed over as 12%-18%.
Preferably, the steam-pressing aero-concrete is in units of parts by weight, including following component：76 parts of power plant's furnace bottom ash,
50 parts of rivers silt, 36 parts of mine tailings, 8 parts of cement, 16 parts of lime, 3 parts of desulfurated plaster, 0.8 part of aluminium powder, 0.4 part of water reducer, guarantor
0.4 part of aqua；
Wherein described power plant's furnace bottom ash fineness 0.08mm hole sizers are tailed over as 18%；Power plant's furnace bottom ash includes following weight
The composition of percentage：Silica 50%, alundum (Al2O3) 18%, iron oxide 2%, ferrous oxide 5%；In the rivers silt
Calcium oxide content be that 88%, 0.08mm hole sizers are tailed over as 16%.
Preferably, the water reducer is polycarboxylic acids esters water reducer, by poly glycol monomethyl ether 8-12 parts, unsaturated carboxylic acid
4-8 parts, tartaric acid 6-8 parts, deionized water 5-10 parts are prepared.
Preferably, the water-loss reducer is methyl cellulose ether, hydroxypropyl methyl cellulose and ethoxyl methyl cellulose ether
With 1:3:0.5-0.8 ratio is mixed to prepare.
Preferably, the present invention a kind of preparation method of autoclave aerated concrete building block is also provided, it is characterised in that including with
Lower step：
S1：Dispensing：Power plant's furnace bottom ash, rivers silt, mine tailings are dry grinded with ball mill respectively thin, lime is broken with disintegrating machine
It is broken standby, add water to mix power plant's furnace bottom ash, rivers silt, mine tailings according to weight, slurries are made；
S2：Stirring：Obtained all slurries addition cast mixers in S1 are stirred, lime is added in whipping process and is taken off
Sulphur gypsum, control slurry diffusance is in 35-38mm, mixing time 2h；
S3：Cast：Cement is added in slurry in step s 2 and water reducer stirs and evenly mixs, and control slurry diffusance exists
20-25cm, temperature is at 40-45 DEG C, stir speed (S.S.) 400-600r/min；Gained slurry stirring 40-50s is poured into a mould again, poured
Static maintenance 2-3h in resting room is sent into after note makes its thickening, obtains total slurry, obtains total slurry；
S4：Get angry：Aluminium powder is added in agitator tank and stirred, stir speed (S.S.) 200-300r/min, aluminium powder liquid is made,
It is then added in total slurry in step S3, is poured into after stirring 40-50s in mould；
S5：Cutting：Steam-pressing aero-concrete in mould is conserved into 30-40min in 55-60 DEG C of precuring room；Exist again
Fog room conserves 60-90min；Static maintenance is stripped after terminating, cuts to obtain the base substrate of required specification；
S6：Maintenance：Base substrate is transferred in still kettle and carries out autoclave, you can steam pressurized coagulation is made
Earth building blocks.
Preferably, the process control temp stirred described in step S2 is 40-45 DEG C, and stir speed (S.S.) is in 150-180r/min.
Preferably, the temperature in resting room described in step S3 is 45-50 DEG C, humidity 55-65%.
Preferably, the temperature of autoclave described in step S6 is 165 DEG C -180 DEG C, pressure 0.8-
1.0MPa, constant temperature and pressure maintenance 10-12h.
The invention has the advantages that：
The present invention is a kind of New Building Materials of very light-duty insulation, and sharpest edges are that Economization on land provides
Source, prevent to take a large amount of arable lands, there is higher extensive material source, stable material quality, intensity, light, easy processing, construction party
Just, cost is relatively low, insulation, heat-insulated, sound insulation, fire resistance preferably, reusable edible the advantages that, substantially improve construction wall thermal insulation separation
Hot property.Building energy conservation effect is improved, is that a kind of country widelys popularize the low-carbon of reusable edible, the novel wall material of environmental protection
Material.
Embodiment
For a better understanding of the present invention, now it is illustrated by following examples, following examples belong to the guarantor of the present invention
Scope is protected, but is not limited the scope of the invention.
Embodiment 1
A kind of autoclave aerated concrete building block, in units of parts by weight, including following component：86 parts of power plant's furnace bottom ash, river
River silt is husky 45 parts, 39 parts of mine tailings, 6 parts of cement, 15 parts of lime, 3 parts of desulfurated plaster, 1.2 parts of aluminium powder, 0.3 part of water reducer, water conservation
0.4 part of agent；
Wherein power plant's furnace bottom ash fineness 0.08mm hole sizers are tailed over as 20%；Power plant's furnace bottom ash includes following percentage by weight
Composition：Silica 52%, alundum (Al2O3) 15%, iron oxide 2%, ferrous oxide 6%；
Calcium oxide content in rivers silt is that 94%, 0.08mm hole sizers are tailed over as 15%.
Wherein, water reducer is polycarboxylic acids esters water reducer, by 2 parts of poly glycol monomethyl ether, unsaturated carboxylic acid 4-8 parts, wine
7 parts of stone acid, 10 parts of deionized water are prepared；Water-loss reducer is methyl cellulose ether, hydroxypropyl methyl cellulose and ethoxy first
Base cellulose ether is with 1:3:0.8 ratio mixing.
The preparation method of autoclave aerated concrete building block comprising above raw material, comprises the following steps：
S1：Dispensing：Power plant's furnace bottom ash, rivers silt, mine tailings are dry grinded with ball mill respectively thin, lime is broken with disintegrating machine
It is broken standby, add water to mix power plant's furnace bottom ash, rivers silt, mine tailings according to weight, slurries are made；
S2：Stirring：All slurries are added into cast mixer stirring, lime and desulfurated plaster are added in whipping process,
Control slurry diffusance is 45 DEG C in 36mm, temperature, and stir speed (S.S.) is in 150r/min, mixing time 2h；
S3：Cast：Cement is added in slurry in step s 2 and water reducer stirs and evenly mixs, and control slurry diffusance exists
25cm, temperature is at 42 DEG C, stir speed (S.S.) 600r/min；Gained slurry stirring 40s is poured into a mould again, resting room is sent into after cast
In static maintenance 2h make its thickening, obtain total slurry, the temperature in resting room is 45 DEG C, humidity 60%；
S4：Get angry：Aluminium powder is added in agitator tank and stirred, stir speed (S.S.) 200r/min, aluminium powder liquid is made, then add
Enter in total slurry into step S3, be poured into after stirring 45s in mould；
S5：Cutting：Steam-pressing aero-concrete in mould is conserved into 30min in 58 DEG C of precuring room；Again in fog room
Conserve 90min；Static maintenance is stripped after terminating, cuts to obtain the base substrate of required specification；
S6：Maintenance：Base substrate is transferred in still kettle and carries out autoclave, the temperature of maintenance is 165 DEG C, pressure
Power is 0.9MPa, constant temperature and pressure maintenance 10h, you can autoclave aerated concrete building block is made.
Embodiment 2
A kind of autoclave aerated concrete building block, in units of parts by weight, including following component：72 parts of power plant's furnace bottom ash, river
55 parts of river silt sand, 33 parts of mine tailings, 10 parts of cement, 18 parts of lime, 4 parts of desulfurated plaster, 0.5 part of aluminium powder, 0.5 part of water reducer, guarantor
0.5 part of aqua；
Wherein power plant's furnace bottom ash fineness 0.08mm hole sizers are tailed over as 15%；Power plant's furnace bottom ash includes following percentage by weight
Composition：Silica 45%, alundum (Al2O3) 20%, iron oxide 3%, ferrous oxide 3%；
Calcium oxide content in rivers silt is that 86%, 0.08mm hole sizers are tailed over as 18%.
Wherein, water reducer is polycarboxylic acids esters water reducer, by 8 parts of poly glycol monomethyl ether, 6 parts of unsaturated carboxylic acid, winestone
8 parts of acid, 5 parts of deionized water are prepared；Water-loss reducer is that methyl cellulose ether, hydroxypropyl methyl cellulose and hydroxyethyl methyl are fine
Plain ether is tieed up with 1:3:0.5 ratio mixing.
The preparation method of autoclave aerated concrete building block comprising above raw material, comprises the following steps：
S1：Dispensing：Power plant's furnace bottom ash, rivers silt, mine tailings are dry grinded with ball mill respectively thin, lime is broken with disintegrating machine
It is broken standby, add water to mix power plant's furnace bottom ash, rivers silt, mine tailings according to weight, slurries are made；
S2：Stirring：All slurries are added into cast mixer stirring, lime and desulfurated plaster are added in whipping process,
Control slurry diffusance is 40 DEG C in 38mm, temperature, and stir speed (S.S.) is in 160r/min, mixing time 2h；
S3：Cast：Cement is added in slurry in step s 2 and water reducer stirs and evenly mixs, and control slurry diffusance exists
20cm, temperature is at 45 DEG C, stir speed (S.S.) 400r/min；Gained slurry stirring 45s is poured into a mould again, resting room is sent into after cast
In static maintenance 2h make its thickening, obtain total slurry, the temperature in resting room is 48 DEG C, humidity 65%；
S4：Get angry：Aluminium powder is added in agitator tank and stirred, stir speed (S.S.) 260r/min, aluminium powder liquid is made, then add
Enter in total slurry into step S3, be poured into after stirring 50s in mould；
S5：Cutting：Steam-pressing aero-concrete in mould is conserved into 35min in 60 DEG C of precuring room；Again in fog room
Conserve 60min；Static maintenance is stripped after terminating, cuts to obtain the base substrate of required specification；
S6：Maintenance：Base substrate is transferred in still kettle and carries out autoclave, the temperature of maintenance is 170 DEG C, pressure
Power is 1.0MPa, constant temperature and pressure maintenance 11h, you can autoclave aerated concrete building block is made.
Embodiment 3
A kind of autoclave aerated concrete building block, in units of parts by weight, including following component：80 parts of power plant's furnace bottom ash, river
River silt is husky 65 parts, 35 parts of mine tailings, 5 parts of cement, 20 parts of lime, 2 parts of desulfurated plaster, 0.8 part of aluminium powder, 0.7 part of water reducer, water conservation
0.2 part of agent；
Wherein power plant's furnace bottom ash fineness 0.08mm hole sizers are tailed over as 18%；Power plant's furnace bottom ash includes following percentage by weight
Composition：Silica 50%, alundum (Al2O3) 23%, iron oxide 1%, ferrous oxide 5%；
Calcium oxide content in rivers silt is that 90%, 0.08mm hole sizers are tailed over as 12%.
Wherein, water reducer is polycarboxylic acids esters water reducer, by 10 parts of poly glycol monomethyl ether, unsaturated carboxylic acid 4-8 parts, wine
6 parts of stone acid, 8 parts of deionized water are prepared；Water-loss reducer is methyl cellulose ether, hydroxypropyl methyl cellulose and hydroxyethyl methyl
Cellulose ether is with 1:3:0.6 ratio mixing.
The preparation method of autoclave aerated concrete building block comprising above raw material, comprises the following steps：
S1：Dispensing：Power plant's furnace bottom ash, rivers silt, mine tailings are dry grinded with ball mill respectively thin, lime is broken with disintegrating machine
It is broken standby, add water to mix power plant's furnace bottom ash, rivers silt, mine tailings according to weight, slurries are made；
S2：Stirring：All slurries are added into cast mixer stirring, lime and desulfurated plaster are added in whipping process,
Control slurry diffusance is 42 DEG C in 35mm, temperature, and stir speed (S.S.) is in 180r/min, mixing time 2h；
S3：Cast：Cement is added in slurry in step s 2 and water reducer stirs and evenly mixs, and control slurry diffusance exists
22cm, temperature is at 40 DEG C, stir speed (S.S.) 500r/min；Gained slurry stirring 50s is poured into a mould again, resting room is sent into after cast
In static maintenance 3h make its thickening, obtain total slurry, the temperature in resting room is 50 DEG C, humidity 55%；
S4：Get angry：Aluminium powder is added in agitator tank and stirred, stir speed (S.S.) 300r/min, aluminium powder liquid is made, then add
Enter in total slurry into step S3, be poured into after stirring 40s in mould；
S5：Cutting：Steam-pressing aero-concrete in mould is conserved into 40min in 55 DEG C of precuring room；Again in fog room
Conserve 80min；Static maintenance is stripped after terminating, cuts to obtain the base substrate of required specification；
S6：Maintenance：Base substrate is transferred in still kettle and carries out autoclave, the temperature of maintenance is 180 DEG C, pressure
Power is 0.8MPa, constant temperature and pressure maintenance 12h, you can autoclave aerated concrete building block is made.
Embodiment 4
A kind of autoclave aerated concrete building block, in units of parts by weight, including following component：76 parts of power plant's furnace bottom ash, river
River silt is husky 50 parts, 36 parts of mine tailings, 8 parts of cement, 16 parts of lime, 3 parts of desulfurated plaster, 0.8 part of aluminium powder, 0.4 part of water reducer, water conservation
0.4 part of agent；
Wherein power plant's furnace bottom ash fineness 0.08mm hole sizers are tailed over as 18%；Described power plant's furnace bottom ash includes following weight hundred
Divide the composition of ratio：Silica 50%, alundum (Al2O3) 18%, iron oxide 2%, ferrous oxide 5%；
Calcium oxide content in rivers silt is that 88%, 0.08mm hole sizers are tailed over as 16%.
Wherein, water reducer is polycarboxylic acids esters water reducer, by 10 parts of poly glycol monomethyl ether, 7 parts of unsaturated carboxylic acid, winestone
7 parts of acid, 8 parts of deionized water are prepared；Water-loss reducer is that methyl cellulose ether, hydroxypropyl methyl cellulose and hydroxyethyl methyl are fine
Plain ether is tieed up with 1:3:0.6 ratio mixing.
The preparation method of autoclave aerated concrete building block comprising above raw material, comprises the following steps：
S1：Dispensing：Power plant's furnace bottom ash, rivers silt, mine tailings are dry grinded with ball mill respectively thin, lime is broken with disintegrating machine
It is broken standby, add water to mix power plant's furnace bottom ash, rivers silt, mine tailings according to weight, slurries are made；
S2：Stirring：All slurries are added into cast mixer stirring, lime and desulfurated plaster are added in whipping process,
Control slurry diffusance is 44 DEG C in 36mm, temperature, and stir speed (S.S.) is in 170r/min, mixing time 2h；
S3：Cast：Cement is added in slurry in step s 2 and water reducer stirs and evenly mixs, and control slurry diffusance exists
22cm, temperature is at 42 DEG C, stir speed (S.S.) 560r/min；Gained slurry stirring 42s is poured into a mould again, resting room is sent into after cast
In static maintenance 2.5h make its thickening, obtain total slurry, the temperature in resting room is 48 DEG C, humidity 60%；
S4：Get angry：Aluminium powder is added in agitator tank and stirred, stir speed (S.S.) 220r/min, aluminium powder liquid is made, then add
Enter in total slurry into step S3, be poured into after stirring 48s in mould；
S5：Cutting：Steam-pressing aero-concrete in mould is conserved into 36min in 58 DEG C of precuring room；Again in fog room
Conserve 85min；Static maintenance is stripped after terminating, cuts to obtain the base substrate of required specification；
S6：Maintenance：Base substrate is transferred in still kettle and carries out autoclave, the temperature of maintenance is 170 DEG C, pressure
Power is 0.9MPa, constant temperature and pressure maintenance 12h, you can autoclave aerated concrete building block is made.
Comparative example 1
The common autoclave aerated concrete building block that in the market is sold.
Indexs measure is carried out to the autoclaved aerated concrete block of the present invention, draws 1-4 of the embodiment of the present invention and comparative example 1
Autoclave aerated concrete building block index it is as shown in table 1：
The autoclave aerated concrete building block index of table 1
As can be seen from the above table, product property indices of the invention meet and exceed standard index, compared to existing
There is common steam-pressing aero-concrete that there is obvious superior function.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations, for person of an ordinary skill in the technical field, is not departing from
On the premise of present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention by being submitted
Claims determine scope of patent protection.
Claims (8)
- A kind of 1. autoclave aerated concrete building block, it is characterised in that in units of parts by weight, including following component：Power plant's furnace bottom Grey 72-86 parts, rivers silt 45-65 parts, mine tailings 33-39 parts, cement 5-10 parts, lime 15-20 parts, desulfurated plaster 2-4 parts, Aluminium powder 0.5-1.2 parts, water reducer 0.3-0.7 parts, water-loss reducer 0.2-0.5 parts；Wherein described power plant's furnace bottom ash fineness 0.08mm hole sizers are tailed over as 15%-20%；Power plant's furnace bottom ash includes following heavy Measure the composition of percentage：Silica 45%-52%, alundum (Al2O3) 15%-23%, iron oxide 1%-3%, ferrous oxide 3%-6%；Calcium oxide content in the rivers silt is 86%-94%, and 0.08mm hole sizers are tailed over as 12%-18%.
- 2. autoclave aerated concrete building block according to claim 1, it is characterised in that in units of parts by weight, including with Lower component：76 parts of power plant's furnace bottom ash, 50 parts of rivers silt, 36 parts of mine tailings, 8 parts of cement, 16 parts of lime, 3 parts of desulfurated plaster, aluminium 0.8 part of powder, 0.4 part of water reducer, 0.4 part of water-loss reducer；Wherein described power plant's furnace bottom ash fineness 0.08mm hole sizers are tailed over as 18%；Power plant's furnace bottom ash includes following weight percent The composition of ratio：Silica 50%, alundum (Al2O3) 18%, iron oxide 2%, ferrous oxide 5%；Oxygen in the rivers silt It is that 88%, 0.08mm hole sizers are tailed over as 16% to change calcium content.
- 3. autoclave aerated concrete building block according to claim 1 or 2, it is characterised in that the water reducer is polycarboxylic acids Esters water reducer, by poly glycol monomethyl ether 8-12 parts, unsaturated carboxylic acid 4-8 parts, tartaric acid 6-8 parts, deionized water 5-10 parts It is prepared.
- 4. autoclave aerated concrete building block according to claim 1 or 2, it is characterised in that the water-loss reducer is that methyl is fine Plain ether, hydroxypropyl methyl cellulose and ethoxyl methyl cellulose ether are tieed up with 1:3:0.5-0.8 ratio is mixed to prepare.
- A kind of 5. preparation method of autoclave aerated concrete building block according to claim 1 or 2, it is characterised in that including Following steps：S1：Dispensing：Power plant's furnace bottom ash, rivers silt, mine tailings are dry grinded with ball mill respectively thin, lime crusher in crushing is standby With adding water to mix power plant's furnace bottom ash, rivers silt, mine tailings according to weight, slurries be made；S2：Stirring：Obtained all slurries in S1 are added into cast mixer stirring, lime and desulfurization stone are added in whipping process Cream, control slurry diffusance is in 35-38mm, mixing time 2h；S3：Cast：Cement is added in slurry in step s 2 and water reducer stirs and evenly mixs, and control slurry diffusance is in 20- 25cm, temperature is at 40-45 DEG C, stir speed (S.S.) 400-600r/min；Gained slurry stirring 40-50s is poured into a mould again, after cast Being sent into static maintenance 2-3h in resting room makes its thickening, obtains total slurry, obtains total slurry；S4：Get angry：Aluminium powder is added in agitator tank and stirred, stir speed (S.S.) 200-300r/min, aluminium powder liquid is made, then add Enter in total slurry into step S3, be poured into after stirring 40-50s in mould；S5：Cutting：Steam-pressing aero-concrete in mould is conserved into 30-40min in 55-60 DEG C of precuring room；Conserving again Room conserves 60-90min；Static maintenance is stripped after terminating, cuts to obtain the base substrate of required specification；S6：Maintenance：Base substrate is transferred in still kettle and carries out autoclave, you can steam-pressing aero-concrete is made and builds Block.
- 6. the preparation method of autoclave aerated concrete building block according to claim 5, it is characterised in that stirred described in step S2 The process control temp mixed is 40-45 DEG C, and stir speed (S.S.) is in 150-180r/min.
- 7. the preparation method of autoclave aerated concrete building block according to claim 5, it is characterised in that quiet described in step S3 It is 45-50 DEG C to support the temperature in room, humidity 55-65%.
- 8. the preparation method of autoclave aerated concrete building block according to claim 5, it is characterised in that high described in step S6 The temperature of warm autoclave curing is 165 DEG C -180 DEG C, pressure 0.8-1.0MPa, constant temperature and pressure maintenance 10-12h.
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| CN115417651A (en) * | 2022-08-03 | 2022-12-02 | 淄博中鹏环保科技股份有限公司 | Novel air-entraining block and preparation process thereof |
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| EP3030533B1 (en) * | 2013-08-07 | 2019-03-27 | Nanyang Technological University | Method of manufacturing a lightweight concrete |
| CN105198315A (en) * | 2015-09-14 | 2015-12-30 | 河南兴安新型建筑材料有限公司 | Coal fired furnace slag autoclaved aerated concrete building block and preparation method of coal fired furnace slag autoclaved aerated concrete building block |
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| CN108585712A (en) * | 2018-05-15 | 2018-09-28 | 湖北工业大学 | The preparation method of large dosage solid waste wet-milled slurry composite scrap EPS granule insulating materials |
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