CN104446634A - Aerated concrete insulation block and production method thereof - Google Patents

Aerated concrete insulation block and production method thereof Download PDF

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Publication number
CN104446634A
CN104446634A CN201410819551.0A CN201410819551A CN104446634A CN 104446634 A CN104446634 A CN 104446634A CN 201410819551 A CN201410819551 A CN 201410819551A CN 104446634 A CN104446634 A CN 104446634A
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air
cement
gypsum
lime
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CN201410819551.0A
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CN104446634B (en
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马广宝
马墨宁
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马广宝
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Abstract

The invention relates to an aerated concrete insulation block and a production method thereof. The aerated concrete insulation block comprises two layers; the first layer is prepared from the following raw materials in parts by weight: 100 to 150 parts of cement, 60 to 80 parts of coal ash, 140 to 190 parts of lime, 80 to 140 parts of gypsum, 1 to 2 parts of aluminum powder and 100 parts of water; the second layer is prepared from the following raw materials in parts by weight: 80 to 120 parts of vitrified micro bubbles, 100 to 150 parts of cement, 60 to 80 parts of coal ash, 140 to 190 parts of lime, 80 to 140 parts of gypsum, 1 to 2 parts of aluminum powder, 0.5 to 1 part of wood fiber, 1 to 3 parts of polypropylene short cellulose, 50 to 60 parts of coarse whiting and 80 parts of water. The aerated concrete insulation block has the advantages that the insulation performance can be effectively improved, the aerated concrete insulation block can serve as an external wall maintenance structure, the heat insulation requirement is met, the building energy conservation and structure are integrated, and the purposes of green, low-carbon and environmental protection are achieved; when used, the block is applied to the inner side surface of an external wall, and therefore, the plastering is saved.

Description

Air-entraining concrete thermal-insulative block and production method thereof
Technical field
The present invention relates to a kind of material of construction, particularly relate to a kind of air-entraining concrete thermal-insulative block and production method thereof.
Background technology
The gas concrete in present market is the porous light building materials be made into by batching, stirring, cast, precuring, cutting, cutting, the technique such as steam-cured by materials such as cement, flyash and whipping agents, is applicable to the infilled wall of frame engineering.Its thermal conductivity is 0.15w/ (m*k) left and right, and general 240 thick bodies of wall also do not reach the energy conservation standard of 65%, also need to do thermal insulation layer (being commonly called as external wall outer insulation) in the outside of exterior wall.External wall outer insulation construction risk, lifetime 25 years and building structure working life, more than 50 years, therefore need a kind of building energy conservation and structure-integrated product.
Summary of the invention
The object of this invention is to provide a kind of air-entraining concrete thermal-insulative block and production method thereof, the heat-insulating property effectively improved, makes it as while exterior wall enclosed structure, reaches the requirement of insulation; In cast, use level and smooth template, make a side of this building block level and smooth, for the medial surface of exterior wall when building by laying bricks or stones, remove the plastering process of this metope from, play putty through sticky net cloth and scrape porcelain.
A kind of air-entraining concrete thermal-insulative block of the present invention, air-entraining concrete thermal-insulative block comprises two-layer, and with weight parts, raw material is composed as follows:
The first layer raw material is: cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, 100 parts, water;
Second layer raw material is: glass bead 80-120 part, cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, wood fibre 0.5-1 part, polypropene staple element 1-3 part, coarse whiting 50-60 part, 80 parts, water.
The production method of air-entraining concrete thermal-insulative block, comprises the following steps:
(1) by cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, the mixing of 100 parts, water, by grind and stirring to be mixed with slurry for subsequent use as the first layer slurry;
(2) by glass bead 80-120 part, cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, wood fibre 0.5-1 part, polypropene staple element 1-3 part, coarse whiting 50-60 part, the mixing of 80 parts, water, be mixed with heat preservation slurry, for subsequent use;
(3) slurry that step (1) makes injected mould and shakeouts, then the heat preservation slurry that step (2) makes injected mould and shakeouts;
(4) gas concrete is just supported room at mould to carry out getting angry initial set, precompressed and just support, through just supporting pusher on cutting bed, the demoulding and cutting with being pushed;
(5) air-entraining concrete thermal-insulative block is put into autoclave steam-cured.
In step (4), initial set 0.8-1.2 hour, precompressed 1-2 hour and just support 1-2 hour, total time is about 3-4 hour, and temperature condition is 48 ~ 68 DEG C.
Steam-cured temperature is 190-210 DEG C, and the steam-cured time is 9-10 hour.
The bed die of mould needs with plastic material or stainless steel.
Raw material used in the present invention is commercially available.
The materials such as heat-insulating granules are added in the production process of air-entraining concrete thermal-insulative block, by adjusting the proportioning of gas concrete, the heat-insulating property that effectively improve, its thermal conductivity is made to be 0.06w/ (m*k) left and right, make it as while exterior wall enclosed structure, reach the requirement of insulation; In cast, use level and smooth template, make a side of this building block level and smooth, for the medial surface of exterior wall when building by laying bricks or stones, remove the plastering process of this metope from, play putty through sticky net cloth and scrape porcelain.
Compared with prior art, the present invention has following beneficial effect:
The heat-insulating property that the present invention effectively improves, makes its thermal conductivity be 0.06w/ (m*k) left and right, makes it as while exterior wall enclosed structure, reach the requirement of insulation, make building energy conservation and structure-integrated, meet the life idea of green low-carbon environment-friendly.In cast, use level and smooth template, make a side of this building block level and smooth, for the medial surface of exterior wall when building by laying bricks or stones, remove the plastering process of this metope from, play putty through sticky net cloth and scrape porcelain.
Concrete embodiment
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
The production method of air-entraining concrete thermal-insulative block, comprises the following steps:
(1) by cement 130 parts, 70 parts, flyash, 160 parts, lime, 120 parts, gypsum, aluminium powder 1.5 parts, the mixing of 100 parts, water, by grind and stirring to be mixed with slurry for subsequent use as the first layer slurry;
(2) by glass bead 100 parts, cement 130 parts, 70 parts, flyash, 160 parts, lime, 100 parts, gypsum, aluminium powder 1.5 parts, wood fibre 1 part, polypropene staple element 2 parts, coarse whiting 55 parts, the mixing of 80 parts, water, heat preservation slurry is mixed with, for subsequent use;
(3) slurry that step (1) makes injected mould and shakeouts, then the heat preservation slurry that step (2) makes injected mould and shakeouts;
(4) gas concrete is just supported room at mould to carry out getting angry initial set, precompressed and just support, through just supporting pusher on cutting bed, the demoulding and cutting with being pushed; Initial set 1 hour, precompressed 1.5 hours and just support 1.5 hours, just supporting temperature is 55 DEG C.
(5) air-entraining concrete thermal-insulative block is put into autoclave steam-cured.Steam-cured temperature is 200 DEG C, and the steam-cured time is 9.5 hours.
Embodiment 2
The production method of air-entraining concrete thermal-insulative block, comprises the following steps:
The first layer raw material is: cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, 100 parts, water;
Second layer raw material is: glass bead 80-120 part, cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, wood fibre 0.5-1 part, polypropene staple element 1-3 part, coarse whiting 50-60 part, 80 parts, water.
(1) by cement 100 parts, 60 parts, flyash, 190 parts, lime, 80 parts, gypsum, aluminium powder 1 part, the mixing of 100 parts, water, by grind and stirring to be mixed with slurry for subsequent use as the first layer slurry;
(2) by glass bead 120 parts, cement 150 parts, 80 parts, flyash, 140 parts, lime, 100 parts, gypsum, aluminium powder 1 part, wood fibre 1 part, polypropene staple element 1 part, coarse whiting 60 parts, the mixing of 80 parts, water, heat preservation slurry is mixed with, for subsequent use;
(3) slurry that step (1) makes injected mould and shakeouts, then the heat preservation slurry that step (2) makes injected mould and shakeouts;
(4) gas concrete is just supported room at mould to carry out getting angry initial set, precompressed and just support, through just supporting pusher on cutting bed, the demoulding and cutting with being pushed; Initial set 0.8 hour, precompressed 1.2 hours and just support 2 hours, just supporting temperature is 68 DEG C;
(5) air-entraining concrete thermal-insulative block is put into autoclave steam-cured.Steam-cured temperature is 210 degree, and the steam-cured time is 9 hours.
Embodiment 3
The production method of air-entraining concrete thermal-insulative block, comprises the following steps:
(1) by cement 150 parts, 80 parts, flyash, 140 parts, lime, 80 parts, gypsum, aluminium powder 2 parts, the mixing of 100 parts, water, by grind and stirring to be mixed with slurry for subsequent use as the first layer slurry;
(2) by glass bead 80 parts, cement 100 parts, 60 parts, flyash, 190 parts, lime, 140 parts, gypsum, aluminium powder 2 parts, wood fibre 0.5 part, polypropene staple element 3 parts, coarse whiting 60 parts, the mixing of 80 parts, water, heat preservation slurry is mixed with, for subsequent use;
(3) slurry that step (1) makes injected mould and shakeouts, then the heat preservation slurry that step (2) makes injected mould and shakeouts;
(4) gas concrete is just supported room at mould to carry out getting angry initial set, precompressed and just support, through just supporting pusher on cutting bed, the demoulding and cutting with being pushed; Initial set 1 hour, precompressed 1 hour and just support 1 hour, just supporting temperature is 48 DEG C.
(5) air-entraining concrete thermal-insulative block is put into autoclave steam-cured.Steam-cured temperature is 190 DEG C, and the steam-cured time is 10 hours.

Claims (4)

1. an air-entraining concrete thermal-insulative block, is characterized in that, air-entraining concrete thermal-insulative block comprises two-layer, and with weight parts, raw material is composed as follows:
The first layer raw material is: cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, 100 parts, water;
Second layer raw material is: glass bead 80-120 part, cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, wood fibre 0.5-1 part, polypropene staple element 1-3 part, coarse whiting 50-60 part, 80 parts, water.
2. a production method for air-entraining concrete thermal-insulative block according to claim 1, is characterized in that, comprises the following steps:
(1) by cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, the mixing of 100 parts, water, by grind and stirring to be mixed with slurry for subsequent use as the first layer slurry;
(2) by glass bead 80-120 part, cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, wood fibre 0.5-1 part, polypropene staple element 1-3 part, coarse whiting 50-60 part, the mixing of 80 parts, water, be mixed with heat preservation slurry, for subsequent use;
(3) slurry that step (1) makes injected mould and shakeouts, then the heat preservation slurry that step (2) makes injected mould and shakeouts;
(4) gas concrete is just supported room at mould to carry out getting angry initial set, precompressed and just support, through just supporting pusher on cutting bed, the demoulding and cutting with being pushed;
(5) air-entraining concrete thermal-insulative block is put into autoclave steam-cured.
3. the production method of air-entraining concrete thermal-insulative block according to claim 2, it is characterized in that, in step (4), initial set 0.8-1.2 hour, precompressed 1-2 hour and just support 1-2 hour, total time is about 3-4 hour, and temperature condition is 48 ~ 68 DEG C.
4. the production method of air-entraining concrete thermal-insulative block according to claim 2, is characterized in that, steam-cured temperature is 190-210 DEG C, and the steam-cured time is 9-10 hour.
CN201410819551.0A 2014-12-25 2014-12-25 Air-entraining concrete thermal-insulative block and production method thereof Active CN104446634B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105948676A (en) * 2016-06-27 2016-09-21 肥西县碧涛建材有限公司 Aerated concrete thermal-insulation building block and production method thereof
CN107879762A (en) * 2016-09-29 2018-04-06 桂林洁宇环保科技有限责任公司 A kind of air entrained concrete for being used to make Ecological flowerpot
CN111825407A (en) * 2020-07-29 2020-10-27 新疆久群投资有限公司 Aerated concrete block and production process thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860433A (en) * 1972-05-30 1975-01-14 Borje W A Ost Very high early strength cement
CN104193277A (en) * 2014-08-25 2014-12-10 中国十七冶集团有限公司 Steamed wood fiber aerated concrete block and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860433A (en) * 1972-05-30 1975-01-14 Borje W A Ost Very high early strength cement
CN104193277A (en) * 2014-08-25 2014-12-10 中国十七冶集团有限公司 Steamed wood fiber aerated concrete block and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105948676A (en) * 2016-06-27 2016-09-21 肥西县碧涛建材有限公司 Aerated concrete thermal-insulation building block and production method thereof
CN107879762A (en) * 2016-09-29 2018-04-06 桂林洁宇环保科技有限责任公司 A kind of air entrained concrete for being used to make Ecological flowerpot
CN111825407A (en) * 2020-07-29 2020-10-27 新疆久群投资有限公司 Aerated concrete block and production process thereof

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