CN103992093A - Composition for making lightweight thermal insulation building block - Google Patents
Composition for making lightweight thermal insulation building block Download PDFInfo
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- CN103992093A CN103992093A CN201410159362.5A CN201410159362A CN103992093A CN 103992093 A CN103992093 A CN 103992093A CN 201410159362 A CN201410159362 A CN 201410159362A CN 103992093 A CN103992093 A CN 103992093A
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Abstract
The invention relates to a composition for making a lightweight thermal insulation building block, the composition is composed of mortar, magnesium oxychloride cement, corn straw or sorghum straw, a neutralizing liquid and an additive. The building block prepared by the composition can solve the problems of delayed coagulation or anticoagulating effects of plant fiber extract on cement and combination of straw and a cement matrix.
Description
Technical field
the present invention relates to a kind of composition of making light heat insulation blocks.
Background technology
chinese patent has been announced the technology of " a kind of light-weight hollow building block made " for No. 1105652.The wood sawdust for holllow building block that this patent proposes, pulverize straw or plant stem chip as charges, and using its with by ground silica or magnesium oxide and magnesium chloride etc. as aggregate, after charges chip is mixed with aggregate, make holllow building block.Its meaning is to want to utilize the charges such as wood sawdust, pulverizing straw to realize insulation, can also reduce the cost of manufacture of building block simultaneously and alleviate the weight of self.But due to wood sawdust, pulverize the charges such as straw after being ground into smalls shape, its heat-insulating property can reduce greatly, meanwhile, infested because of the easy moldy metamorphism of above-mentioned charges, and this patent does not provide the mouldy and infested measure of any prevention.
in addition, Chinese patent has also been announced a kind of name for No. 1473693 and has been called " making method of light concrete hollow block brick ".This patent is that rape straw, straw etc. is combined and is made into hollow block brick as starting material and with concrete.From the disclosed content of this patent, can find out, the use length of the raw materials such as its rape straw, straw is between 5-10mm, and the raw material such as rape straw in this length range, straw does not reach desirable heat insulation effect equally, and this patent does not provide the mouldy infested any technology enlightenment of prevention equally, the usage quantity of the raw materials such as while rape straw, straw is no more than 50%, and its consumption is relatively less.
it is the section nodular corn stalk that employing weight quota is 20%--45% that applicant's name that 24Xiang State Intellectual Property Office applies in May, 2006 is called " light thermal in sulating block composition and preparation method thereof ", magnesia unslacked and magnesium chloride mixture are 50%--75%, and additive is 2%--5%.Although this kind of light heat insulation blocks has certain heat insulation effect, and effectively utilized this waste of corn stalk, although magnesia unslacked and magnesium chloride are combined the rear certain intensity and fire-retardant that has with stalk, and mouldy infested effect, but its intensity can not meet the requirement of light block, and the price of magnesia unslacked and magnesium chloride is higher, so this kind of insulation blocks also exists some problems.
Summary of the invention
can solve building block inflammable and be corroded; And neutralizer can play the anti-halogen distortion of prevention magnesium chloride and be full of cracks, can further improve the intensity of building block and prevent building block fracture.
described mortar forms after being mixed by cement and sand grains, and the mass ratio between cement and sand grains is: 1:2-4.
in described magnesia oxychloride cement, magnesian content is more than or equal to 85%.
described additive comprises peregal and buck agent, and the mass ratio between peregal and buck agent is: 1:2-4.Peregal and buck agent can be played delayed coagulation.
described neutralizer equals 7 liquid by the pH value of preparing with sulfuric acid and forms.
after the building block that utilizes the composition of light heat insulation blocks proposed by the invention to make is dry, through Jilin Province, builds science and technology bureau and detect and obtain a result referring to table 1.Therefrom can find out, with the building block that said composition is made, can solve vegetable fibre and quench and get thing to the slow setting of cement or anticoagulation, and the combination problem of stalk and cement matrix.
contract standard: 370mm wall thickness energy-conservation 50%; Actual measurement index: 240mm wall thickness energy-conservation 50%.
Embodiment
embodiment 1
make 100kg assembly thing, get mortar 50kg, magnesia oxychloride cement 20kg, maize straw or broomcorn straw 25kg, additive 4.7kg, neutralizer 0.3 kg.Wherein, mortar forms after being mixed by the sand grains of 10kg cement and 40kg, and additive consists of the buck agent of 1 kg peregal and 3.7kg.In making the process of building block, first mortar and maize straw or broomcorn straw are mixed and stirred, so that mortar is topped on maize straw or broomcorn straw surface, then add magnesia oxychloride cement and the neutralizer of above-mentioned quality, and the composition of additive formation making building block, then said composition is put into mould and make building block.
embodiment 2
make 100kg assembly thing, get mortar 30kg, magnesia oxychloride cement 40kg, maize straw or broomcorn straw 25kg, additive 4.7kg, neutralizer 0.3 kg.Wherein, mortar forms after being mixed by the sand grains of 10kg cement and 20kg, and additive consists of the buck agent of 1.5 kg peregals and 3.2kg.According to the method for embodiment 1, make building block.
embodiment 3
make 100kg assembly thing, get mortar 45kg, magnesia oxychloride cement 30kg, maize straw or broomcorn straw 20kg, additive 4.8kg, neutralizer 0.2 kg.Wherein, mortar forms after being mixed by the sand grains of 15kg cement and 30kg, and additive consists of the buck agent of 1.2 kg peregals and 3.6kg.According to the method for embodiment 1, make building block.
embodiment 4
make 100kg assembly thing, get mortar 35kg, magnesia oxychloride cement 35kg, maize straw or broomcorn straw 26kg, additive 3.95kg, neutralizer 0.05 kg.Wherein, mortar forms after being mixed by the sand grains of 10kg cement and 25kg, and additive consists of the buck agent of 1.25 kg peregals and 3.75kg.According to the method for embodiment 1, make building block.
in embodiment 1-4, neutralizer equals 7 liquid by the pH value of preparing with sulfuric acid and forms, and magnesia oxychloride cement adopts content to be more than or equal to 85% magnesium oxide, and the magnesian content of optimal selection is at 85-95%.
Claims (5)
1. make the composition of light heat insulation blocks, it is characterized in that, said composition consists of the material of following mass percent: mortar 30-50 ﹪, magnesia oxychloride cement 20-40 ﹪, length is maize straw or the broomcorn straw 20-30 ﹪ of 1.1-3 centimetre, neutralizer 0.05-0.3, additive 3-5%.
2. composition according to claim 1, is characterized in that: described mortar forms after being mixed by cement and sand grains, and the mass ratio between cement and sand grains is: 1:2-4.
3. composition according to claim 1, is characterized in that: in described magnesia oxychloride cement, magnesian content is more than or equal to 85%.
4. composition according to claim 1, is characterized in that: described additive comprises peregal and buck agent, and the mass ratio between peregal and buck agent is: 1:2-4.
5. composition according to claim 4, is characterized in that: described neutralizer equals 7 liquid by the pH value of preparing with sulfuric acid and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159362.5A CN103992093A (en) | 2014-04-21 | 2014-04-21 | Composition for making lightweight thermal insulation building block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410159362.5A CN103992093A (en) | 2014-04-21 | 2014-04-21 | Composition for making lightweight thermal insulation building block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103992093A true CN103992093A (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410159362.5A Pending CN103992093A (en) | 2014-04-21 | 2014-04-21 | Composition for making lightweight thermal insulation building block |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105652A (en) * | 1994-01-20 | 1995-07-26 | 醴陵市工艺赛釉装饰材料厂 | Light hollow block |
| CN1396137A (en) * | 2002-08-12 | 2003-02-12 | 黄华大 | Hollow partition slab made of broken straw and cement and its preparing process |
| CN1775707A (en) * | 2005-12-09 | 2006-05-24 | 李光德 | Light thermal in sulating block composition and its preparing method |
| CN101486559A (en) * | 2009-02-19 | 2009-07-22 | 李光德 | Construction material composition, use and preparation thereof |
| CN102010175A (en) * | 2010-11-12 | 2011-04-13 | 中国科学院青海盐湖研究院 | Baking-free and steaming-free brick and building block and preparation method thereof |
| CN102060490A (en) * | 2010-11-22 | 2011-05-18 | 中国科学院青海盐湖研究所 | Unburned and non-autoclaved caustic calcined dolomite brick and building block |
-
2014
- 2014-04-21 CN CN201410159362.5A patent/CN103992093A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105652A (en) * | 1994-01-20 | 1995-07-26 | 醴陵市工艺赛釉装饰材料厂 | Light hollow block |
| CN1396137A (en) * | 2002-08-12 | 2003-02-12 | 黄华大 | Hollow partition slab made of broken straw and cement and its preparing process |
| CN1775707A (en) * | 2005-12-09 | 2006-05-24 | 李光德 | Light thermal in sulating block composition and its preparing method |
| CN101486559A (en) * | 2009-02-19 | 2009-07-22 | 李光德 | Construction material composition, use and preparation thereof |
| CN102010175A (en) * | 2010-11-12 | 2011-04-13 | 中国科学院青海盐湖研究院 | Baking-free and steaming-free brick and building block and preparation method thereof |
| CN102060490A (en) * | 2010-11-22 | 2011-05-18 | 中国科学院青海盐湖研究所 | Unburned and non-autoclaved caustic calcined dolomite brick and building block |
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Application publication date: 20140820 |