CN101337827A - Light aggregate foam concrete building blocks and method for manufacturing same - Google Patents
Light aggregate foam concrete building blocks and method for manufacturing same Download PDFInfo
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- CN101337827A CN101337827A CNA2008102106151A CN200810210615A CN101337827A CN 101337827 A CN101337827 A CN 101337827A CN A2008102106151 A CNA2008102106151 A CN A2008102106151A CN 200810210615 A CN200810210615 A CN 200810210615A CN 101337827 A CN101337827 A CN 101337827A
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Abstract
The invention discloses a lightweight aggregate cellular concrete block and a preparation method thereof. The lightweight aggregate cellular concrete block comprises cement, lightweight aggregate, water, a foaming agent and an additive. The lightweight aggregate is multihole lightweight aggregate with the stacking density of less than 1200kg/m3. The foaming agent is the substance, with which foam is formed in a material, thus forming a material in a closed pore or a connected pore structure. The additive is one, several or none of concrete common additives and mineral additives. In the preparation method, the cement, the additive, the chemical foaming agent (or not involved) and water are weighted and fed into an agitator, and beaten into a mixed cement paste; the mixed cement paste is manufactured into a foamed cement paste through a foaming device; after the lightweight aggregate is added to the foamed cement paste, the mixture is beaten and poured. Subsequently, the mixture is moulded at one step and cured. The manufacturing cost of the lightweight aggregate cellular concrete block is low; the manufacturing process is simple and easy to control; regions, which are able to invest on the production of the lightweight aggregate cellular concrete block, are wider.
Description
Technical field
The present invention relates to a kind of material of construction and manufacture method thereof, especially a kind of light aggregate foam concrete building blocks and manufacture method thereof.
Background technology
For adapting to the needs of high stratification of building and heat preservation energy-saving, concrete segment is day by day to the ultralight development.Wherein haydite, slag, other light waste slag or natural weight aggregate building block are on a small quantity arranged with the lightweight aggregate concrete building block that improves aggregate.Wherein air-entrained concrete building block and foam concrete block are arranged with the lightweight concrete building block that improves grout.The lightweight concrete building block that had wherein not only improved aggregate but also improved grout is just like State Intellectual Property Office's disclosed patent documentation on July 26th, 2006 " a kind of high-strength lightweight concrete building block and manufacture method thereof " (Granted publication number: the high-strength lightweight concrete building block CN1807335A).
In existing lightweight concrete building block, the lightweight aggregate concrete density of building block is still bigger than normal, and heat-insulating property is still not good enough.
In existing lightweight concrete building block, gas concrete such as State Intellectual Property Office disclosed patent documentation on April 30th, 2003 " high strength light concrete product and manufacture method thereof " (Granted publication number: CN1107035C).Foamed concrete such as Yang Jiujun, Lu Qingzai " applied research of the high-strength microballon foamed concrete of flyash " [J] flyash, 2005, (1): 77-81, described in.Its goods shrinking percentage is bigger than normal, and masonry is easy to crack.It is on the low side to follow closely, bore outer suspension member ability.
In existing lightweight concrete building block, just like State Intellectual Property Office's disclosed patent documentation on July 26th, 2006 " a kind of high-strength lightweight concrete building block and manufacture method thereof " (Granted publication number: the high-strength lightweight concrete building block CN1807335A).Its goods have overcome the deficiency of above-mentioned several lightweight concrete building blocks basically, are a kind of lightweight concrete building blocks that relatively can adapt to the needs of high stratification of building and heat preservation energy-saving.But its weak point has: its mineral additive is a flyash, is subject to the restriction of local resources; Its manufacture method is for will sending into stirrer after cement, flyash, water reducer, economization agent and the water metering earlier, air entrapment agent adds stirrer after adopting mechanical foaming, add light coarse aggregate again and after stirring, send into pouring truck, this technology whipping agent usage quantity is big, foam is not of uniform size, is unfavorable for improving block strength; Behind its moulding, under 20-40 ℃ environment, rested 8-16 hour, after mechanical sawing, in curing kilns under 60-90 ℃ environment steam-cured 8-16 hour or in autoclave with the logical steam steam press maintenance of the pressure of 0.4-2Mpa 6-12 hour, rest room and steam-cured room of this arts demand construction carries out product maintenance under the different condition, product will through resting, the demoulding, cutting, steam-cured, some operations of cutting again, and a large amount of solid waste of generation and waste water in cutting action cause investment to found the factory and production cost significantly improves.Owing to adopt big mould cast, the manufacture method of cut mechanically makes distribute the in a large number cut surface of light skeletal of product surface, not too is fit to during use cohere with ordinary mortar.
Summary of the invention
At the problems referred to above, the present invention will provide light aggregate foam concrete building blocks and the manufacture method thereof that a kind of low production cost, technology are simple, can adapt to the needs of high stratification of building and heat preservation energy-saving more satisfactoryly.
The invention provides following technical scheme: a kind of light aggregate foam concrete building blocks, it contains cement, light skeletal, water, whipping agent and admixture, and wherein light skeletal is that tap density is less than 1200kg/m
3The porous light aggregate, whipping agent is can make material internal produce foam and the material that forms closed pore or connection pore structure material, admixture is a kind of, several in concrete admixture commonly used and the mineral additive or does not have.
Wherein light skeletal is that tap density is less than 1200kg/m
3The general name of porous light aggregate.Be divided into light inorganic aggregate and organic light skeletal by material properties.The light inorganic aggregate is natural or the porous material of synthetical inorganic silicic acid salt, as natural weight aggregate and artificial light aggregates such as various haydite, slag such as float stone, volcanic cinder; Organic light skeletal is natural or synthetical organic polymer porous material, as wood chip, carbon pearl, polystyrene foam light skeletal etc.The light skeletal of indication of the present invention be meant by produce local condition selected wherein one or more.
Wherein whipping agent is can make material internal produce foam and the material that forms closed pore or connection pore structure material.Be divided into chemical foaming agent and pneumatogen by foam theory.Chemical foaming agent is meant and chemical reaction can takes place in concrete preparation and emit gas, forms the material of pore in polymkeric substance; Pneumatogen is meant in concrete preparation by physical change, i.e. the variation of the physical aspect by a certain material is as by the expansion of pressurized gas, the volatilization of liquid or the material of solid dissolving formation pore.The whipping agent of indication of the present invention is meant one or both in two kinds of whipping agents, mainly is meant pneumatogen, the particularly finger pressure air expansion class whipping agent that contracts.
Wherein admixture is concrete admixture commonly used and mineral additive.Concrete admixture commonly used is generally materials such as water reducer, swelling agent, economization agent, thickening material or concrete fiber.The concrete mineral admixture is generally ground slag, fine-ground fly-ash, levigate natural zeolite and silicon ash etc. and compound mineral additive thereof.The admixture of indication of the present invention be meant above-mentioned admixture one or more or all need not, mainly be to see that producing local condition and products thereof requires to select.
The manufacture method of above-mentioned light aggregate foam concrete building blocks is: stir into mix cement slurry with sending into stirrer after cement, admixture, chemical foaming agent (or need not), the water metering, by foaming machine mix cement slurry is made foam slurry, add light skeletal and stir back moulding, maintenance after the once shaped.
Wherein mould is integrated poured sectional die, can single chamber or multi-cavity.
Wherein do not need to prepare in advance whipping agent, whipping agent and water are prepared automatically by foaming machine, have just finished the process that foam slurry is made simultaneously by foaming machine pumping mix cement slurry.
Wherein maintenance can for rest, the combination of one or several modes in the maintenance method such as steam-cured, steam press maintenance, natural curing, solar energy curing.
The present invention has taken into full account and has produced local self-condition, reasonable use local various resources.Goods itself have the various advantages of foamed concrete.Owing to the adding of light-weight aggregate, improved the intensity of foamed concrete, reduced the shrinking percentage of goods, reduced the requirement of goods maintenances, have more better nail, bored outer suspension member ability.Because adopt foaming machine to make foam slurry, goods foam exquisiteness is evenly distributed.Because the main mode that adopts physical blowing makes foam slurry can cooperate the autologous density of light-weight aggregate to produce more broadly.Owing to adopt the manufacture method of one-time formed moulding, saved the repeatedly maintenance processes of different condition, and reasonably saved multiple working procedure and variety of issues such as the cost of deriving out, waste thereof such as follow-up cutting.The product surface overwhelming majority is the cement slurry composition, and ordinary mortar can be built by laying bricks or stones.So, use that the present invention, low production cost, manufacturing process simply are easy to control, the region of the investment and production of having ready conditions can be wider.
Embodiment
According to producing the local condition and the requirement of product, select different starting material to form various prescriptions and produce.Because array mode is too many, will not exemplify one by one here.Lifting a comparison common example below describes:
Final product quality requires: dry volume density is 700kg/m
3About, intensity is greater than 5.0Mpa, and drying shrinkage value is less than 0.50mm/m, and the dry state thermal conductivity is less than 0.20W/ (m.k).
Raw-material prescription is:
Cement: 42.5 ordinary Portland cements, every cube of finished product consumption is about 115kg;
Light-weight aggregate: haydite, apparent density are 650-850kg/m
3, cylindrical compress strength is greater than 1.0Mpa, every cube of finished product consumption is 290-380kg;
Water: common water, every cube of finished product consumption is 110-120kg;
Admixture commonly used: do not have;
Mineral additive: fine-ground fly-ash, screen over-size (0.045mm) are less than 20%, and every cube of finished product consumption is about 115kg;
Whipping agent: pressurized air expanded polystyrene veneer whipping agent, every cube of finished product consumption is an amount of;
Manufacture method is: cement, flyash, water metering back are added stirrer and stir into mix cement slurry, with foaming machine mix cement slurry is pumped into another stirrer and makes the foams mix grout, the haydite that adds metering stirs, moulding, the 60-80 ℃ of demoulding after steam-cured 6-8 hour piled up shipment after the natural curing with wooden clamp.
Claims (7)
1, a kind of light aggregate foam concrete building blocks and manufacture method thereof is characterized in that it contains cement, light skeletal, water, whipping agent and admixture, and wherein light skeletal is that tap density is less than 1200kg/m
3The porous light aggregate, whipping agent is can make material internal produce foam and the material that forms closed pore or connection pore structure material, admixture is a kind of, several in concrete admixture commonly used and the mineral additive or does not have; Its manufacture method is to stir into mix cement slurry with sending into stirrer after cement, admixture, chemical foaming agent (or need not), the water metering, by foaming machine mix cement slurry is made foam slurry, adds light skeletal and stirs back moulding, maintenance after the once shaped.
2, light aggregate foam concrete building blocks according to claim 1 and manufacture method thereof is characterized in that wherein light skeletal is meant that tap density is less than 1200kg/m
3The porous light aggregate.Be divided into light inorganic aggregate and organic light skeletal by material properties.The light skeletal of indication of the present invention be meant by produce local condition selected wherein one or more.
3, light aggregate foam concrete building blocks according to claim 1 and manufacture method thereof is characterized in that whipping agent wherein is can make material internal produce foam and the material that forms closed pore or connection pore structure material.Be divided into chemical foaming agent and pneumatogen by foam theory.The whipping agent of indication of the present invention is meant one or both in two kinds of whipping agents, mainly is meant pneumatogen, the particularly finger pressure air expansion class whipping agent that contracts.
4, light aggregate foam concrete building blocks according to claim 1 and manufacture method thereof is characterized in that wherein admixture is concrete admixture commonly used and mineral additive.Concrete admixture commonly used is generally materials such as water reducer, swelling agent, economization agent, thickening material or concrete fiber.The concrete mineral admixture is generally ground slag, fine-ground fly-ash, levigate natural zeolite and silicon ash etc. and compound mineral additive thereof.The admixture of indication of the present invention be meant above-mentioned admixture one or more or all need not, mainly be to see that producing local condition and products thereof requires to select.
5, light aggregate foam concrete building blocks according to claim 1 and manufacture method thereof is characterized in that wherein mould is integrated poured sectional die, can single chamber or multi-cavity.
6, light aggregate foam concrete building blocks according to claim 1 and manufacture method thereof, it is characterized in that wherein not needing to prepare in advance whipping agent, whipping agent and water are prepared automatically by foaming machine, have just finished the process that foam slurry is made simultaneously by foaming machine pumping mix cement slurry.
7, light aggregate foam concrete building blocks according to claim 1 and manufacture method thereof, it is characterized in that wherein maintenance can for rest, the combination of one or several modes in the maintenance method such as steam-cured, steam press maintenance, natural curing, solar energy curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102106151A CN101337827A (en) | 2008-08-03 | 2008-08-03 | Light aggregate foam concrete building blocks and method for manufacturing same |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102106151A CN101337827A (en) | 2008-08-03 | 2008-08-03 | Light aggregate foam concrete building blocks and method for manufacturing same |
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| CN101337827A true CN101337827A (en) | 2009-01-07 |
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| CN101805203A (en) * | 2010-04-02 | 2010-08-18 | 建研建材有限公司 | Heat-preservation composite foam concrete and preparation method thereof |
| CN101811884A (en) * | 2010-04-02 | 2010-08-25 | 建研建材有限公司 | High-performance foam concrete and preparation method thereof |
| CN102060484A (en) * | 2010-12-01 | 2011-05-18 | 丰泽区新安江新型建筑材料厂 | Light high-strength rock ballast powder concrete energy-saving building block and manufacturing method thereof |
| CN102515664A (en) * | 2011-12-07 | 2012-06-27 | 重庆大学 | Low-cost ultra low density foam concrete |
| CN102627470A (en) * | 2012-04-26 | 2012-08-08 | 鞍钢集团矿业公司 | Lean hematite tailing concrete light body building block brick and preparation method thereof |
| CN102633529A (en) * | 2012-04-28 | 2012-08-15 | 广东冠生土木工程技术有限公司 | Foam aerated concrete and manufacturing method thereof |
| CN102701648A (en) * | 2012-05-14 | 2012-10-03 | 山西省第二建筑工程公司 | Foam concrete doped with lightweight foam and production method of foam concrete |
| CN102701634A (en) * | 2012-05-23 | 2012-10-03 | 安徽德禾建筑节能科技有限公司 | Foaming agent for producing concrete foamed lightweight partition wall board |
| CN103030316A (en) * | 2011-10-08 | 2013-04-10 | 德世股份有限公司 | Light aggregate and preparation method thereof as well as cemented and solidified block material comprising light aggregate |
| CN103986106A (en) * | 2014-05-08 | 2014-08-13 | 吕爱萍 | Simple cable trench cover plate |
| CN104446201A (en) * | 2014-11-25 | 2015-03-25 | 攀枝花环业冶金渣开发有限责任公司 | Foam concrete and preparation method thereof |
| CN104557110A (en) * | 2014-12-23 | 2015-04-29 | 苏州万盛混凝土有限公司 | Foamed concrete |
| CN104557117A (en) * | 2014-12-31 | 2015-04-29 | 安徽中龙建材科技有限公司 | Thermal insulation type aerated concrete block as well as preparation method and application thereof |
| CN104909644A (en) * | 2015-05-08 | 2015-09-16 | 盐城工学院 | Foamed cement concrete and preparation method thereof |
| CN104945007A (en) * | 2015-06-12 | 2015-09-30 | 中民筑友有限公司 | Precast aerated ceramsite concrete component and preparation method thereof |
| CN105948788A (en) * | 2016-04-26 | 2016-09-21 | 吉林省新生建筑工程公司 | Lightweight aggregate concrete |
| CN107162631A (en) * | 2017-06-13 | 2017-09-15 | 北京北宇机械设备有限公司 | Compound adhesive cement and its casting method |
| CN107324832A (en) * | 2017-05-31 | 2017-11-07 | 南通不二环境科技有限公司 | A kind of modified foam concrete formula |
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| CN107651973A (en) * | 2017-10-09 | 2018-02-02 | 常州建轩纺织品有限公司 | A kind of autoclave aerated concrete building block |
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| CN109053041A (en) * | 2018-07-18 | 2018-12-21 | 绍兴臣工新材料科技有限公司 | A kind of foam concrete block and preparation method thereof |
| CN109942269A (en) * | 2016-10-28 | 2019-06-28 | 山东中建西部建设有限公司 | A kind of ultralight high-performance foam concrete of green and its preparation process |
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Cited By (32)
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| CN101811884A (en) * | 2010-04-02 | 2010-08-25 | 建研建材有限公司 | High-performance foam concrete and preparation method thereof |
| CN101805203A (en) * | 2010-04-02 | 2010-08-18 | 建研建材有限公司 | Heat-preservation composite foam concrete and preparation method thereof |
| CN102060484A (en) * | 2010-12-01 | 2011-05-18 | 丰泽区新安江新型建筑材料厂 | Light high-strength rock ballast powder concrete energy-saving building block and manufacturing method thereof |
| CN102060484B (en) * | 2010-12-01 | 2012-01-11 | 丰泽区新安江新型建筑材料厂 | Light high-strength rock ballast powder concrete energy-saving building block and manufacturing method thereof |
| CN103030316A (en) * | 2011-10-08 | 2013-04-10 | 德世股份有限公司 | Light aggregate and preparation method thereof as well as cemented and solidified block material comprising light aggregate |
| CN102515664A (en) * | 2011-12-07 | 2012-06-27 | 重庆大学 | Low-cost ultra low density foam concrete |
| CN102627470A (en) * | 2012-04-26 | 2012-08-08 | 鞍钢集团矿业公司 | Lean hematite tailing concrete light body building block brick and preparation method thereof |
| CN102633529A (en) * | 2012-04-28 | 2012-08-15 | 广东冠生土木工程技术有限公司 | Foam aerated concrete and manufacturing method thereof |
| CN102701648A (en) * | 2012-05-14 | 2012-10-03 | 山西省第二建筑工程公司 | Foam concrete doped with lightweight foam and production method of foam concrete |
| CN102701634A (en) * | 2012-05-23 | 2012-10-03 | 安徽德禾建筑节能科技有限公司 | Foaming agent for producing concrete foamed lightweight partition wall board |
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| CN104446201A (en) * | 2014-11-25 | 2015-03-25 | 攀枝花环业冶金渣开发有限责任公司 | Foam concrete and preparation method thereof |
| CN104557110A (en) * | 2014-12-23 | 2015-04-29 | 苏州万盛混凝土有限公司 | Foamed concrete |
| CN104557117A (en) * | 2014-12-31 | 2015-04-29 | 安徽中龙建材科技有限公司 | Thermal insulation type aerated concrete block as well as preparation method and application thereof |
| CN104909644A (en) * | 2015-05-08 | 2015-09-16 | 盐城工学院 | Foamed cement concrete and preparation method thereof |
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| CN105948788A (en) * | 2016-04-26 | 2016-09-21 | 吉林省新生建筑工程公司 | Lightweight aggregate concrete |
| CN109942269A (en) * | 2016-10-28 | 2019-06-28 | 山东中建西部建设有限公司 | A kind of ultralight high-performance foam concrete of green and its preparation process |
| CN109942269B (en) * | 2016-10-28 | 2021-05-25 | 山东中建西部建设有限公司 | Green ultralight high-performance foam concrete and preparation process thereof |
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| CN107162631A (en) * | 2017-06-13 | 2017-09-15 | 北京北宇机械设备有限公司 | Compound adhesive cement and its casting method |
| CN107651973A (en) * | 2017-10-09 | 2018-02-02 | 常州建轩纺织品有限公司 | A kind of autoclave aerated concrete building block |
| CN107673696A (en) * | 2017-10-26 | 2018-02-09 | 陈宗熙 | A kind of foam concrete self-insulating wall material and preparation method thereof |
| CN107540291A (en) * | 2017-11-01 | 2018-01-05 | 广东工业大学 | A kind of concrete slurry and preparation method thereof |
| CN108252449A (en) * | 2018-01-08 | 2018-07-06 | 南通金江砂新型建筑科技有限公司 | Precast foam concrete arrangement of reinforcement wallboard and its production method |
| CN108892406A (en) * | 2018-07-03 | 2018-11-27 | 济南大学 | A kind of porous hollow lightweight aggregate and preparation method thereof |
| CN109053041A (en) * | 2018-07-18 | 2018-12-21 | 绍兴臣工新材料科技有限公司 | A kind of foam concrete block and preparation method thereof |
| US20200087215A1 (en) * | 2018-09-19 | 2020-03-19 | Steven Patrick Miles | Lighter weight composition material with low thermal conductivity |
| CN110282922A (en) * | 2019-06-17 | 2019-09-27 | 荆晨 | A kind of production technology of Novel foam concrete building block |
| CN111875410A (en) * | 2020-07-28 | 2020-11-03 | 西安交通大学 | Light magnesium slag building material and preparation method thereof |
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Application publication date: 20090107 |