CN102503527A - Yttrium-element autoclaved aerated concrete block and preparation method thereof - Google Patents
Yttrium-element autoclaved aerated concrete block and preparation method thereof Download PDFInfo
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- CN102503527A CN102503527A CN2011103372125A CN201110337212A CN102503527A CN 102503527 A CN102503527 A CN 102503527A CN 2011103372125 A CN2011103372125 A CN 2011103372125A CN 201110337212 A CN201110337212 A CN 201110337212A CN 102503527 A CN102503527 A CN 102503527A
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- aerated concrete
- idiosome
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- 239000004567 concrete Substances 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 26
- 239000004576 sand Substances 0.000 claims abstract description 23
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 21
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004568 cement Substances 0.000 claims abstract description 21
- 239000004571 lime Substances 0.000 claims abstract description 21
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010440 gypsum Substances 0.000 claims abstract description 19
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 19
- 239000002956 ash Substances 0.000 claims abstract description 9
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000440 bentonite Substances 0.000 claims abstract description 7
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 7
- 239000000047 product Substances 0.000 claims description 28
- 238000005520 cutting process Methods 0.000 claims description 27
- 229910052727 yttrium Inorganic materials 0.000 claims description 27
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 27
- 239000004411 aluminium Substances 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- 235000012216 bentonite Nutrition 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 19
- 230000029087 digestion Effects 0.000 claims description 8
- 239000010881 fly ash Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 239000013065 commercial product Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000000750 progressive effect Effects 0.000 claims description 3
- 230000008521 reorganization Effects 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 9
- 238000007906 compression Methods 0.000 abstract description 9
- 239000004566 building material Substances 0.000 abstract description 3
- 239000010883 coal ash Substances 0.000 abstract description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 2
- 229910052791 calcium Inorganic materials 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000004927 clay Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The invention discloses an yttrium-element autoclaved aerated concrete block and a preparation method thereof. The yttrium-element autoclaved aerated concrete block is divided into an yttrium-element sand aerated concrete block and an yttrium-element ash aerated concrete block and belongs to the field of building materials. The yttrium-element sand aerated concrete block is composed of the following raw materials by weight parts: 55-70 parts of sand, 0.03-0.06 parts of yttrium oxide, 23-28 parts of lime, 6-11 parts of cement, 2-6 parts of gypsum, 0.8-1.2 parts of aluminum powder and 2-7 parts of calcium-based bentonite. The yttrium-element ash aerated concrete block is composed of the following raw materials by weight parts: 60-70 parts of coal ash, 0.03-0.06 parts of yttrium oxide, 25-30 parts of lime, 6-8 parts of cement, 2-6 parts of gypsum, 0.8-1.2 parts of aluminum powder and 2-7 parts of calcium-based bentonite. Compared with the present autoclaved aerated concrete block, the yttrium-element autoclaved aerated concrete block has the advantages that the filling property is greatly promoted, namely, the compression strength is promoted.
Description
Technical field
The invention belongs to building material field, be specifically related to a kind of yttrium autoclave aerated concrete building block and preparation method thereof.
Background technology
According to existing novel wall material definition standard; Buildings such as concrete shear wall structure, skeleton construction, frame-shear structure; All classified as the novel wall material building; Existing concrete is made up of main raw material(s)s such as cement, sand, stones, has consumed a large amount of Nonrenewable resources Wingdales and clay and a large amount of high-quality energy such as coal in process of production as the cement of gelling material; In concrete production, added a large amount of limestone blocks again, the economic worth of the two limestone resource that consumes will be much larger than the economic worth of the used clay resource of baking bricks; Moreover body of wall, framework basically all are solid, concrete than great, consumption is many, has both wasted starting material, has increased the loading of buildings again, has strengthened based process and executive cost, and the production cycle is long, sound insulation, resistance toheat are also bad; Though existing steam-pressing aero-concrete has overcome above-mentioned shortcoming, its viscosity is high, and material is not easy evenly to be mixed.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, and a kind of yttrium autoclave aerated concrete building block and preparation method thereof is provided, it has reduced the viscosity of building block, and various materials are mixed evenly, has improved full property, improves compression strength of building block.
Technical scheme of the present invention is following:
The yttrium autoclave aerated concrete building block is divided into two kinds of yttrium sand aerated concrete block and the building blocks of yttrium ash aerated concrete.
The yttrium sand aerated concrete block is made up of following raw material, by weight being:
55～70 parts in sand, 0.03～0.06 part of yttrium oxide, 23～28 parts in lime, 6～11 parts of cement, 2～6 parts in gypsum, 0.8～1.2 part of aluminium powder, 2～7 parts of calcium-base bentonites.
Preferably, 62 parts in sand, 0.03 part of yttrium oxide, 25 parts in lime, 9 parts of cement, 4 parts in gypsum, 0.9 part of aluminium powder, 2 parts of calcium-base bentonites.
The building block of yttrium ash aerated concrete is made up of following raw material, by weight being:
60～70 parts in flyash, 0.03～0.06 part of yttrium oxide, 25～30 parts in lime, 6～8 parts of cement, 2～6 parts in gypsum, 0.8～1.2 part of aluminium powder, 2～7 parts of calcium-base bentonites.
Preferably, 63 parts in flyash, 0.05 part of yttrium oxide, 26 parts in lime, 7 parts of cement, 4 parts in gypsum, 1 part of aluminium powder, 3.5 parts of calcium-base bentonites.
A kind of preparation method based on above-mentioned yttrium autoclave aerated concrete building block, adopt following steps:
(1), raw material processing;
1. sand is machined to the 0.080mm square hole sieve and passes through, screen over-size≤15% is stacked for use;
2. lime is machined to the 0.080mm square hole sieve and passes through, screen over-size≤15%, and digestion rate (min) 5～15, the digestion temperature (℃) 60～90, slaking residue (%)≤10 not;
3. calcium-base bentonite is machined to through 300 mesh sieves, screen over-size≤1%;
4. yttrium oxide is commercial product, can directly use;
5. cement, gypsum (desulfurization), aluminium powder are buied direct use from market;
(2), raw material is mixed;
Above-mentioned raw materials is processed slip in stirring in the calculating ratio adding cast stirrer;
(3), injection molding;
In the concrete slurry cast progressive die tool that contains rare earth element yttrium that stirs;
(4), precuring;
Through certain temperature and the precuring of time, treat that idiosome reaches certain degree of hardness, can prepare cutting;
(5), upset;
Reversal hanger is done 90 degree upsets to mould aloft;
(6), the demoulding;
Reversal hanger uses stripper apparatus, is that mould separates with idiosome, and idiosome together with the side plate handling to cutting on the dolly;
(7), vertically two sides cutting;
Cutting machine at first carries out perpendicular cuts to the idiosome two sides;
(8), vertically cutting;
Then idiosome is carried out the vertical equity cutting;
(9), across cutting;
At last idiosome is carried out horizontal perpendicular cuts;
(10), winch to steam-cured dolly;
The idiosome of well cutting is winched on the steam-cured dolly together with side plate by the work in-process suspender;
(11), go into still;
Idiosome to well cutting is organized into groups, and goes into still and treats steam-cured;
(12), steam-cured;
195 ℃ of certain temperatures, under the pressure 1.2Mpa, idiosome is carried out 10～14 hours steam-cured;
(13), go out still;
Finished product after steam-cured goes out still;
(14), finished product hangs heap;
By the finished product suspender with the finished product stacking;
(15), packing, entrucking;
With entrucking behind the finished product packing;
(16), side plate returns;
Side plate returns through the side plate roller-way;
(17), with the empty mould reorganization of the demoulding;
Framed reconfiguring after the side plate and the demoulding;
(18), cleaning, oil spout;
Mould and side plate that cleaning reconfigures are waited for cast next time.
The invention has the advantages that: 1, excellent property; Light porous, heat insulating, fire resistance be good, can follow closely, can saw, can dig and possess certain shock resistance; The present invention utilizes solid waste coal ash, sand for main raw material adds the New Building Materials that yttrium oxide is produced, and is the energy-conservation environmental protection and energy saving material of construction more than 50% that at present only use yttrium oxide and calcium-base bentonite can reach national regulation; 2, use yttrium autoclave aerated concrete building block comprehensive cost than adopting solid clay brick to reduce more than 5%; And can increase usable floor area, improve the floor area of building utilization ratio greatly, and have very strong workability; Be convenient to construction; For protecting farmland, country has put into effect and has forbidden policy of producing clay solid brick in all parts of the country, and the production cost of yttrium autoclave aerated concrete building block and quality all are superior to clay solid brick greatly; 3, compare with existing autoclave aerated concrete building block, its full property improves a lot, and ultimate compression strength also improves a lot; 4, the yttrium autoclave aerated concrete building block is a kind of concrete product with polymolecularity vesicular structure, and overall porosity can reach 70～85%, and aperture surface area is about 40～50m
2/ kg is widely used in the industry and the interior exterior wall and the roofing of covil construction, can cut with cast-in-place, framework, frame, multiple architecture structure form such as steelwork is used in combination.
Description of drawings Fig. 1 is technological process of production figure of the present invention.
Embodiment is described further the present invention below in conjunction with accompanying drawing.
Embodiment 1 yttrium sand aerated concrete block is made up of following raw material, by weight being:
55 parts in sand, 0.03 part of yttrium oxide, 28 parts in lime, 11 parts of cement, 2 parts in gypsum, 0.8 part of aluminium powder, 2 parts of calcium-base bentonites.
Its preparation method is as shown in Figure 1:
(1), raw material processing;
1. sand is machined to the 0.080mm square hole sieve and passes through, screen over-size≤15% is stacked for use;
2. lime is machined to the 0.080mm square hole sieve and passes through, screen over-size≤15%, and digestion rate (min) 5～15, the digestion temperature (℃) 60～90, slaking residue (%)≤10 not;
3. calcium-base bentonite is machined to through 300 mesh sieves, screen over-size≤1%;
4. yttrium oxide is commercial product, can directly use;
5. cement, gypsum (desulfurization), aluminium powder are buied direct use from market;
(2), raw material is mixed;
Above-mentioned raw materials is processed slip in stirring in the calculating ratio adding cast stirrer;
(3), injection molding;
In the concrete slurry cast progressive die tool that contains rare earth element yttrium that stirs;
(4), precuring;
Through certain temperature and the precuring of time, treat that idiosome reaches certain degree of hardness, can prepare cutting;
(5), upset;
Reversal hanger is done 90 degree upsets to mould aloft;
(6), the demoulding;
Reversal hanger uses stripper apparatus, is that mould separates with idiosome, and idiosome together with the side plate handling to cutting on the dolly;
(7), vertically two sides cutting;
Cutting machine at first carries out perpendicular cuts to the idiosome two sides;
(8), vertically cutting;
Then idiosome is carried out the vertical equity cutting;
(9), across cutting;
At last idiosome is carried out horizontal perpendicular cuts;
(10), winch to steam-cured dolly;
The idiosome of well cutting is winched on the steam-cured dolly together with side plate by the work in-process suspender;
(11), go into still;
Idiosome to well cutting is organized into groups, and goes into still and treats steam-cured;
(12), steam-cured;
195 ℃ of certain temperatures, under the pressure 1.2Mpa, idiosome is carried out 10～14 hours steam-cured;
(13), go out still;
Finished product after steam-cured goes out still;
(14), finished product hangs heap;
By the finished product suspender with the finished product stacking;
(15), packing, entrucking;
With entrucking behind the finished product packing;
(16), side plate returns;
Side plate returns through the side plate roller-way;
(17), with the empty mould reorganization of the demoulding;
Framed reconfiguring after the side plate and the demoulding;
(18), cleaning, oil spout;
Mould and side plate that cleaning reconfigures are waited for cast next time.
This product is through detecting, and its ultimate compression strength MV is 5.3MPa, is 1.5 times of " steam pressurization concrete segment " GB11968-2006 standard, and single group minimum value is 4.8MPa, is 1.7 times of above-mentioned standard.
Embodiment 2 yttrium sand aerated concrete blocks are made up of following raw material, by weight being:
70 parts in sand, 0.06 part of yttrium oxide, 23 parts in lime, 6 parts of cement, 6 parts in gypsum, 1.2 parts of aluminium powders, 7 parts of calcium-base bentonites.
Its preparation method is with embodiment 1.
This product is through detecting, and its ultimate compression strength MV is 5.0MPa, is 1.4 times of " steam pressurization concrete segment " GB11968-2006 standard, and single group minimum value is 4.6MPa, is 1.6 times of above-mentioned standard.
Embodiment 3 yttrium sand aerated concrete blocks are made up of following raw material, by weight being:
62 parts in sand, 0.03 part of yttrium oxide, 25 parts in lime, 9 parts of cement, 4 parts in gypsum, 0.9 part of aluminium powder, 2 parts of calcium-base bentonites.
Its preparation method is with embodiment 1.
This product is through detecting, and its ultimate compression strength MV is 5.6MPa, is 1.6 times of " steam pressurization concrete segment " GB11968-2006 standard, and single group minimum value is 5.2MPa, is 1.5 times of above-mentioned standard.
Embodiment 4 yttrium ash aerated concrete building blocks are made up of following raw material, by weight being:
60 parts in flyash, 0.03 part of yttrium oxide, 25 parts in lime, 8 parts of cement, 6 parts in gypsum, 1.2 parts of aluminium powders, 2 parts of calcium-base bentonites.
Its preparation method is with embodiment 1.
This product is through detecting, and its ultimate compression strength MV is 4.5MPa, is 1.3 times of " steam pressurization concrete segment " GB11968-2006 standard, and single group minimum value is 4.1MPa, is 1.5 times of above-mentioned standard.
Embodiment 5 yttrium ash aerated concrete building blocks are made up of following raw material, by weight being:
70 parts in flyash, 0.06 part of yttrium oxide, 30 parts in lime, 6 parts of cement, 2 parts in gypsum, 0.8 part of aluminium powder, 7 parts of calcium-base bentonites.
Its preparation method is with embodiment 1.
This product is through detecting, and its ultimate compression strength MV is 4.7MPa, is 1.3 times of " steam pressurization concrete segment " GB11968-2006 standard, and single group minimum value is 4.2MPa, is 1.5 times of above-mentioned standard.
Embodiment 6 yttrium ash aerated concrete building blocks are made up of following raw material, by weight being:
63 parts in flyash, 0.05 part of yttrium oxide, 26 parts in lime, 7 parts of cement, 4 parts in gypsum, 1 part of aluminium powder, 3.5 parts of calcium-base bentonites.
Its preparation method is with embodiment 1.
This product is through detecting, and its ultimate compression strength MV is 5.1MPa, is 1.5 times of " steam pressurization concrete segment " GB11968-2006 standard, and single group minimum value is 4.8MPa, is 1.7 times of above-mentioned standard.
The used property of raw material of the present invention is following:
Said sand derives from muddy kind gram Chifeng City, desert Wengniute Banner section that reaches, and its main effect in product is an aggregate, and its staple by weight calculating is: Sio
2>=75%, K
2O+Na
2O≤3.0%, Cl-≤0.03%, mica≤0.5%, SO
3≤1.0%, clay≤5.0%.
Said flyash derives from power station, Chifeng City (firepower), and its main effect in product is an aggregate, and its staple by weight calculating is: loss on ignition≤5.0%, SiO
2>=45%, SO
2≤1.0%, fineness (0.080mm square hole sieve screen over-size)≤15%.
Said lime derives from enamelware pot ground, Kalaqin Banner, Chifeng City village Lime Factory, and its main effect in product is dry, and its staple by weight calculating is: A (CaO+MgO)>=75%, MgO≤5%, SO
2≤5%, CO
2≤5%, digestion rate (min) 5～15, the digestion temperature (℃) 60～90, slaking residue (%)≤10 not, fineness (0.080mm square hole sieve screen over-size)≤15%.
Said calcium-base bentonite derives from pool, sky, Ningcheng County, Chifeng City wilkinite factory, and the factory site is positioned at busy rural area, Wu Hua town, Ningcheng County, Chifeng City, and its main effect in product is a tackiness agent, and its staple by weight calculating is: SiO
2>=56.6%, AL
2O
3>=13.8%, Fe
2O
3≤3.12%, MgO≤3.05%, Na
2O≤0.28%, CaO>=2.96%, K
2O≤0.68%, TiO
2≤0.46, P
2O
5≤0.07%, NaOH≤0.35%.
Said yttrium derives from Baotou, Inner Mongol rare earth research institute first rare-earth mineral, and its main effect in product is to reduce viscosity, and various materials are mixed evenly, improves full property.
Said aluminium powder derives from Chifeng City material supply company, is aluminium powder commonly used, and its main effect in product is an aerogenesis.
Claims (5)
1. yttrium sand aerated concrete block is characterized in that: forms by following raw material, by weight being:
55～70 parts in sand, 0.03～0.06 part of yttrium oxide, 23～28 parts in lime, 6～11 parts of cement, 2～6 parts in gypsum, 0.8～1.2 part of aluminium powder, 2～7 parts of calcium-base bentonites.
2. yttrium sand aerated concrete block as claimed in claim 1 is characterized in that: be made up of following raw material, by weight being: 62 parts in sand, 0.03 part of yttrium oxide, 25 parts in lime, 9 parts of cement, 4 parts in gypsum, 0.9 part of aluminium powder, 2 parts of calcium-base bentonites.
3. yttrium ash aerated concrete building block is characterized in that: forms by following raw material, by weight being:
60～70 parts in flyash, 0.03～0.06 part of yttrium oxide, 25～30 parts in lime, 6～8 parts of cement, 2～6 parts in gypsum, 0.8～1.2 part of aluminium powder, 2～7 parts of calcium-base bentonites.
4. yttrium ash aerated concrete as claimed in claim 3 building block is characterized in that: be made up of following raw material, by weight being: 63 parts in flyash; 0.05 part of yttrium oxide, 26 parts in lime, 7 parts of cement; 4 parts in gypsum, 1 part of aluminium powder, 3.5 parts of calcium-base bentonites.
5. the preparation method based on each described yttrium autoclave aerated concrete building block among the claim 1-4 is characterized in that, adopts following steps:
(1), raw material processing;
1. sand is machined to the 0.080mm square hole sieve and passes through, screen over-size≤15% is stacked for use;
2. lime is machined to the 0.080mm square hole sieve and passes through, screen over-size≤15%, and digestion rate (min) 5～15, the digestion temperature (℃) 60～90, slaking residue (%)≤10 not;
3. calcium-base bentonite is machined to through 300 mesh sieves, screen over-size≤1%;
4. yttrium oxide is commercial product, can directly use;
5. cement, gypsum (desulfurization), aluminium powder are buied direct use from market;
(2), raw material is mixed;
Above-mentioned raw materials is processed slip in stirring in the calculating ratio adding cast stirrer;
(3), injection molding;
In the concrete slurry cast progressive die tool that contains rare earth element yttrium that stirs;
(4), precuring;
Through certain temperature and the precuring of time, treat that idiosome reaches certain degree of hardness, can prepare cutting;
(5), upset;
Reversal hanger is done 90 degree upsets to mould aloft;
(6), the demoulding;
Reversal hanger uses stripper apparatus, is that mould separates with idiosome, and idiosome together with the side plate handling to cutting on the dolly;
(7), vertically two sides cutting;
Cutting machine at first carries out perpendicular cuts to the idiosome two sides;
(8), vertically cutting;
Then idiosome is carried out the vertical equity cutting;
(9), across cutting;
At last idiosome is carried out horizontal perpendicular cuts;
(10), winch to steam-cured dolly;
The idiosome of well cutting is winched on the steam-cured dolly together with side plate by the work in-process suspender;
(11), go into still;
Idiosome to well cutting is organized into groups, and goes into still and treats steam-cured;
(12), steam-cured;
195 ℃ of certain temperatures, under the pressure 1.2Mpa, idiosome is carried out 10～14 hours steam-cured;
(13), go out still;
Finished product after steam-cured goes out still;
(14), finished product hangs heap;
By the finished product suspender with the finished product stacking;
(15), packing, entrucking;
With entrucking behind the finished product packing;
(16), side plate returns;
Side plate returns through the side plate roller-way;
(17), with the empty mould reorganization of the demoulding;
Framed reconfiguring after the side plate and the demoulding;
(18), cleaning, oil spout.
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| CN108947295A (en) * | 2018-09-12 | 2018-12-07 | 十堰市郧阳区成林工贸有限责任公司 | Low-alkali concrete swelling agent and the preparation method and application thereof |
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| CN101468900A (en) * | 2007-12-28 | 2009-07-01 | 同济大学 | Method for formulating masonry mortar and surface mortar for steam aerated concrete |
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| CN102786320A (en) * | 2012-08-24 | 2012-11-21 | 华虹集团宜兴市华虹新型墙体建筑材料有限公司 | Autoclaved aerated concrete building block containing industrial solid waste and preparation method thereof |
| CN104058642A (en) * | 2014-05-29 | 2014-09-24 | 蚌埠华东石膏有限公司 | Anti-freezing aerated brick |
| CN104058682A (en) * | 2014-05-29 | 2014-09-24 | 蚌埠华东石膏有限公司 | Antibacterial air-added brick |
| CN104058642B (en) * | 2014-05-29 | 2016-01-20 | 蚌埠华东石膏有限公司 | A kind of antifreeze aerated bricks |
| CN106079057A (en) * | 2015-04-28 | 2016-11-09 | 中节能东方双鸭山建材设备有限公司 | End machine is removed in building block upset |
| CN106079057B (en) * | 2015-04-28 | 2018-08-07 | 中节能东方双鸭山建材设备有限公司 | Bottom machine is removed in building block overturning |
| CN104859039A (en) * | 2015-05-27 | 2015-08-26 | 湖州民强炭业有限公司 | Cart with turning mechanism |
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| CN105365029A (en) * | 2015-10-14 | 2016-03-02 | 淄博恒瑞工贸有限公司 | Producing method suitable for ALC wall boards of different lengths |
| CN105693274A (en) * | 2016-02-02 | 2016-06-22 | 衡阳恒裕轻质保温材料有限责任公司 | Aerated concrete and preparation method thereof |
| CN108947295A (en) * | 2018-09-12 | 2018-12-07 | 十堰市郧阳区成林工贸有限责任公司 | Low-alkali concrete swelling agent and the preparation method and application thereof |
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