CN104446634B - Air-entraining concrete thermal-insulative block and production method thereof - Google Patents
Air-entraining concrete thermal-insulative block and production method thereof Download PDFInfo
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- CN104446634B CN104446634B CN201410819551.0A CN201410819551A CN104446634B CN 104446634 B CN104446634 B CN 104446634B CN 201410819551 A CN201410819551 A CN 201410819551A CN 104446634 B CN104446634 B CN 104446634B
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Abstract
The present invention relates to a kind of air-entraining concrete thermal-insulative block and production method thereof, air-entraining concrete thermal-insulative block comprises two-layer, in parts by weight, raw material is composed as follows: ground floor raw material is: 100 parts of cement 100-150 parts, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, water; Second layer raw material is: 80 parts, 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, water. The heat-insulating property that the present invention has effectively improved, as exterior wall enclosed structure time, reaches the requirement of insulation, makes building energy conservation and structure-integrated, green low-carbon environment-friendly. When this concrete block masonry, for the medial surface of exterior wall, remove plastering process from.
Description
Technical field
The present invention relates to a kind of construction material, particularly relate to a kind of air-entraining concrete thermal-insulative block and production method thereof.
Background technology
Now the air entrained concrete in market be by the materials such as cement, flyash and blowing agent by batching, stirring, cast, precuring,The porous light building materials that cutting, cutting, the technique such as steam-cured are made into, is applicable to the infilled wall of framework engineering. Its heat conduction systemNumber is 0.15w/ (m*k) left and right, and general 240 thick bodies of wall also do not reach 65% energy conservation standard, also need to do in the outside of exterior wallHeat-insulation layer (being commonly called as external wall outer insulation). External wall outer insulation construction is dangerous, and lifetime 25 years and building structure service life were in 50 yearsAbove, 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 improving, makesIt reaches the requirement of insulation as exterior wall enclosed structure time; In cast, use level and smooth template, make one of this building blockIndividual side is level and smooth, while building by laying bricks or stones, for the medial surface of exterior wall, removes the plastering process of this metope from, plays putty scrape porcelain through sticky net cloth.
A kind of air-entraining concrete thermal-insulative block of the present invention, air-entraining concrete thermal-insulative block comprises two-layer, in parts by weight,Raw material is composed as follows:
Ground floor raw material is: cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part,100 parts, aluminium powder 1-2 part, water;
Second layer raw material is: glass bead 80-120 part, cement 100-150 part, flyash 60-80 part, lime 140-190Part, 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 1-2Part, 100 parts of mixing of water, by grind and stirring to be mixed with slurry for subsequent use as ground floor slurry;
(2) by glass bead 80-120 part, cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum80-140 part, aluminium powder 1-2 part, wood fibre 0.5-1 part, polypropene staple element 1-3 part, coarse whiting 50-60 part, water 80Part is mixed, and is mixed with heat preservation slurry, for subsequent use;
(3) slurry of step (1) being made injects mould and shakeouts, and the heat preservation slurry of then step (2) being made injects mouldTool also shakeouts;
(4) air entrained concrete is just supported chamber get angry initial set, precompressed and just support at mould with pushing, through just supporting pusher to cutting bedUpper, the demoulding and cutting;
(5) air-entraining concrete thermal-insulative block is put into still kettle 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,Temperature conditions 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 need to be with plastic material or stainless steel.
In the present invention, raw material used is commercially available.
In the production process of air-entraining concrete thermal-insulative block, add the materials such as heat-insulating granules, by adjusting the proportioning of air entrained concrete,The heat-insulating property effectively having improved, making its thermal conductivity factor is 0.06w/ (m*k) left and right, when making it as 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, while building by laying bricks or stones for exterior wallMedial surface, 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 has effectively improved, making its thermal conductivity factor is 0.06w/ (m*k) left and right, makes it safeguard knot as exterior wallWhen 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, while building by laying bricks or stones, for the medial surface of exterior wall, remove this wall fromThe plastering process of face, plays putty through sticky net cloth and scrapes 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 130 parts of cement, 70 parts, flyash, 160 parts, lime, 120 parts, gypsum, 1.5 parts of aluminium powders, 100 parts, waterMix, by grind and stirring to be mixed with slurry for subsequent use as ground floor slurry;
(2) by 100 parts of glass beads, 130 parts of cement, 70 parts, flyash, 160 parts, lime, 100 parts, gypsum, aluminium powder1.5 parts, 2 parts of 1 part of wood fibre, polypropene staple elements, 55 parts of coarse whitings, 80 parts of mixing of water, be mixed with heat preservation slurry,For subsequent use;
(3) slurry of step (1) being made injects mould and shakeouts, and the heat preservation slurry of then step (2) being made injects mouldTool also shakeouts;
(4) air entrained concrete is just supported chamber get angry initial set, precompressed and just support at mould with pushing, through just supporting pusher to cutting bedUpper, the demoulding and cutting; 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 still kettle steam-cured. Steam-cured temperature is 200 DEG C, and the steam-cured time is 9.5Hour.
Embodiment 2
The production method of air-entraining concrete thermal-insulative block, comprises the following steps:
Ground floor raw material is: cement 100-150 part, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part,100 parts, aluminium powder 1-2 part, water;
Second layer raw material is: glass bead 80-120 part, cement 100-150 part, flyash 60-80 part, lime 140-190Part, 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 100 parts of cement, 60 parts, flyash, 190 parts, lime, 80 parts, gypsum, 1 part of aluminium powder, 100 parts of mixing of water,By grind and stirring to be mixed with slurry for subsequent use as ground floor slurry;
(2) by 120 parts of glass beads, 150 parts of cement, 80 parts, flyash, 140 parts, lime, 100 parts, gypsum, aluminium powder1 part, 1 part of 1 part of wood fibre, polypropene staple element, 60 parts of coarse whitings, 80 parts of mixing of water, be mixed with heat preservation slurry,For subsequent use;
(3) slurry of step (1) being made injects mould and shakeouts, and the heat preservation slurry of then step (2) being made injects mouldTool also shakeouts;
(4) air entrained concrete is just supported chamber get angry initial set, precompressed and just support at mould with pushing, through just supporting pusher to cutting bedUpper, the demoulding and cutting; 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 still kettle steam-cured. Steam-cured temperature is 210 degree, and the steam-cured time is 9 littleTime.
Embodiment 3
The production method of air-entraining concrete thermal-insulative block, comprises the following steps:
(1) by 150 parts of cement, 80 parts, flyash, 140 parts, lime, 80 parts, gypsum, 2 parts of aluminium powders, 100 parts of mixing of water,By grind and stirring to be mixed with slurry for subsequent use as ground floor slurry;
(2) by 80 parts of glass beads, 100 parts of cement, 60 parts, flyash, 190 parts, lime, 140 parts, gypsum, aluminium powder 2Part, 0.5 part of wood fibre, 3 parts of polypropene staple elements, 60 parts of coarse whitings, 80 parts of mixing of water, be mixed with heat preservation slurry,For subsequent use;
(3) slurry of step (1) being made injects mould and shakeouts, and the heat preservation slurry of then step (2) being made injects mouldTool also shakeouts;
(4) air entrained concrete is just supported chamber get angry initial set, precompressed and just support at mould with pushing, through just supporting pusher to cutting bedUpper, the demoulding and cutting; 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 still kettle steam-cured. Steam-cured temperature is 190 DEG C, and the steam-cured time is 10Hour.
Claims (2)
1. an air-entraining concrete thermal-insulative block, is characterized in that, air-entraining concrete thermal-insulative block comprises two-layer, and in parts by weight, raw material is composed as follows:
Ground floor raw material is: 100 parts of cement 100-150 parts, flyash 60-80 part, lime 140-190 part, gypsum 80-140 part, aluminium powder 1-2 part, water;
Second layer raw material is: 80 parts, 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, water.
2. a production method for air-entraining concrete thermal-insulative block claimed in 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, 100 parts of mixing of water, by grind and stirring to be mixed with slurry for subsequent use as ground floor 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, 80 parts of mixing of water, be mixed with heat preservation slurry, for subsequent use;
(3) slurry of step (1) being made injects mould and shakeouts, and the heat preservation slurry of then step (2) being made injects mould and shakeouts;
(4) air entrained concrete is just supported chamber get angry initial set, precompressed and just support at mould with pushing, through just supporting pusher to cutting bed, the demoulding and cutting;
(5) air-entraining concrete thermal-insulative block is put into still kettle 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 3-4 hour, temperature conditions is 48～68 DEG C;
Steam-cured temperature is 190-210 DEG C, and the steam-cured time is 9-10 hour.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN111825407B (en) * | 2020-07-29 | 2022-03-29 | 新疆久群投资有限公司 | Aerated concrete building block |
| CN116023100A (en) * | 2023-01-10 | 2023-04-28 | 郑州圣莱特空心微珠新材料有限公司 | Wall brick and preparation method thereof |
Citations (2)
| 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 |
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2014
- 2014-12-25 CN CN201410819551.0A patent/CN104446634B/en active Active
Patent Citations (2)
| 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 |
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