CN103304260A - Foamed concrete heat preservation plate and preparation method thereof - Google Patents
Foamed concrete heat preservation plate and preparation method thereof Download PDFInfo
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- CN103304260A CN103304260A CN2013102424329A CN201310242432A CN103304260A CN 103304260 A CN103304260 A CN 103304260A CN 2013102424329 A CN2013102424329 A CN 2013102424329A CN 201310242432 A CN201310242432 A CN 201310242432A CN 103304260 A CN103304260 A CN 103304260A
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Abstract
The invention belongs to the field of heat preservation materials, and in particular relates to a foamed concrete heat preservation plate and a preparation method thereof. The foamed concrete heat preservation plate comprises the following raw materials in parts by weight: 380-430 parts of a binding material, 135-160 parts of an admixture, 8-12 parts of calcium stearate, 3-6 parts of polymer gelatine powder, 0.5-3 parts of anti-cracking fibers, 1-4 parts of moisture repellent, 25-35 parts of hydrogen peroxide and 270-310 parts of water. The foamed concrete heat preservation plate is obtained by adding the raw materials into a gravity-free mixing stirrer to mix for 2-5 minutes, pouring the mixtures into a die and forming and maintaining the product. The bonding material consists of portland cement and high-alumina cement; the weight ratio of the portland cement to the high-alumina cement is (1-4):1. The foamed concrete heat preservation plate is high in tensile strength, small in density, light in weight, high in fire retardant effect and low in absorption rate; the combustion performance of the foamed concrete heat preservation plate is up to grade A1; the cost of the raw materials is low; the heat preservation plate is high in safety, and therefore, toxic gas cannot be produced even under the condition of high temperature or fire.
Description
Technical field
The invention belongs to field of heat insulating materials, particularly a kind of foamed concrete warming plate and preparation method thereof.
Background technology
At present, the wall thermal insulating of construction market is various informative, still, adopt the method for insulation liner plate the most commonly used, and warming plate is requisite part in the heat-insulation system, is used for reaching the effect of heat insulating.The common warming plate that now uses is the expansion polyphenyl plate heat preserving plate, though this plate density is low, quality is light, thermal conductivity is little, but this warming plate is inflammable, its combustionproperty is the B level, produces toxic gas and flame in the process of burning, brings great risk to the survivor, simultaneously, after styrofoam is heated, produces the hot melt compression deformation and drop, cause fatal danger for escape personnel and salvor.Because the material of expansion polyphenyl plate own, strength ratio is lower, and weight capacity is poor, also will strengthen handling during outer furring brick.Along with the raising of people to the Building Fire Protection requirement, people begin to adopt the foam cement plate to use as warming plate, its fire-protection rating reaches the A2 level, but the not enough 0.5Mpa of the ultimate compression strength of foam cement plate, the ultimate compression strength of the foam cement plate that has even have only 0.1Mpa, the destruction of very easily causing the foam cement plate during its construction has not only increased raw materials cost, and brought inconvenience to construction, also shortened the work-ing life of heat insulation system simultaneously.
Summary of the invention
The purpose of this invention is to provide that a kind of cost is low, density is little, quality is light, good flame resistance, ultimate compression strength height, supporting capacity be strong, can be applied to the foamed concrete warming plate of Highrise buildings.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of preparation method of foamed concrete warming plate, its step comprises: by weight, with binding material 380-430 part, adulterant 135-160 part, calcium stearate 8-12, polymer glue powder 3-6 part, anti-crack fiber 0.5-3 part, hydrophober 1-4 part, hydrogen peroxide 25-35 part and water 270-310 part, join to mix after 2-5 minute in the agravic mixing and blending machine and pour in the mould, namely obtain the foamed concrete warming plate through blanks and moulding and conserving.
Described binding material is made up of silicate cement and high-alumina cement, and the weight ratio of silicate cement and high-alumina cement is 1-4:1.Preferably, described binding material is made up of silicate cement and high-alumina cement, and the weight ratio of silicate cement and high-alumina cement is 2-3:1.
Described anti-crack fiber is polypropylene fibre, and this Fibre diameter is 6-9mm.
Described adulterant is any in first level flour coal ash, breeze, the limestone powder.Preferably, described adulterant is the first level flour coal ash.
The mass concentration of described hydrogen peroxide is 25%-29%.Preferably, the mass concentration of described hydrogen peroxide is 27.5%.
Can make the foamed concrete warming plate by aforesaid method.
The invention has the beneficial effects as follows:
1, reaching more than the 1.27Mpa to ultimate compression strength of described foamed concrete warming plate, weight capacity is strong, and density is little, in light weight, and combustionproperty reaches the A1 level, and good flame retardation effect, specific absorption is low, heat-insulating property is excellent.
2, described foamed concrete warming plate is main component with cement and flyash, greatly reduce the raw materials cost of warming plate, raw material is easy to get, cheapness, even and this warming plate under high temperature or fire condition, can not produce toxic gas yet, improved safety in utilization.
3, the production technique of described foamed concrete warming plate is simple, environmental protection, and the warming plate that makes can be used in the heat insulation system of external wall, roofing etc.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
By weight, with following starting material: 300 parts of silicate cements (PO42.5), 100 parts of high-alumina cements, 150 parts in flyash (I level), 10 parts of calcium stearates, 3 parts of polymer glue powders, 2 parts of polypropylene fibre anti-crack fibers, 30 parts in hydrogen peroxide (mass concentration is 27.5%), 2 parts of hydrophober, 290 parts in water, join agravic mixing and blending machine mixing and pour mould into after 3 minutes, can form the foamed concrete warming plate through blanks and moulding and conserving.
With the foamed concrete warming plate in the present embodiment, cutting into dimensions is that 600mm*600mm carries out performance test, and test result is as shown in table 1:
Table 1
Can find out that the ultimate compression strength of the foamed concrete warming plate that makes among the embodiment 1 reaches 1.27MPa from table, dried apparent density is 225kg/m
3, combustionproperty reaches the A1 level, has certain resistance to compression effect, and the foam aperture of this foamed concrete warming plate inside is 2mm-3mm, and rate of closed hole reaches more than 95%, and the warming plate that can be used as in the heat-insulation system uses.
Embodiment 2
By weight, with following starting material: 290 parts of silicate cements (PO42.5), 100 parts of high-alumina cements, 140 parts in flyash (I level), 9 parts of calcium stearates, 4 parts of polymer glue powders, 2 parts of polypropylene fibre anti-crack fibers, 30 parts in hydrogen peroxide (mass concentration is 27.5%), 2 parts of hydrophober, 290 parts in water, join agravic mixing and blending machine mixing and pour mould into after 3 minutes, can form the foamed concrete warming plate through blanks and moulding and conserving.
Through detecting, the ultimate compression strength of the foamed concrete warming plate in the present embodiment reaches 1.30MPa, and dried apparent density is 231kg/m
3, water-intake rate (V/V) is 0.31%, and thermal conductivity (25 ℃) is 0.05, and combustionproperty reaches the A1 level, has certain resistance to compression effect, and the warming plate that can be used as in the heat-insulation system uses.
Embodiment 3
By weight, with following starting material: 300 parts of silicate cements (PO42.5), 120 parts of high-alumina cements, 155 parts in flyash (I level), 10 parts of calcium stearates, 3 parts of polymer glue powders, 2 parts of polypropylene fibre anti-crack fibers, 30 parts in hydrogen peroxide (mass concentration is 27.5%), 2 parts of hydrophober, 300 parts in water, join agravic mixing and blending machine mixing and pour mould into after 3 minutes, can form the foamed concrete warming plate through blanks and moulding and conserving.
Through detecting, the ultimate compression strength of the foamed concrete warming plate in the present embodiment reaches 1.32MPa, and dried apparent density is 227kg/m
3, water-intake rate (V/V) is 0.28%, and thermal conductivity (25 ℃) is 0.05, and combustionproperty reaches the A1 level, has certain resistance to compression effect, and the warming plate that can be used as in the heat-insulation system uses.
Embodiment 4
By weight, with following starting material: 300 parts of silicate cements (PO42.5), 100 parts of high-alumina cements, 160 parts in flyash (I level), 8 parts of calcium stearates, 5 parts of polymer glue powders, 2 parts of polypropylene fibre anti-crack fibers, 30 parts in hydrogen peroxide (mass concentration is 27.5%), 3 parts of hydrophober, 300 parts in water, join agravic mixing and blending machine mixing and pour mould into after 3 minutes, can form the foamed concrete warming plate through blanks and moulding and conserving.
Embodiment 5
By weight, with following starting material: 300 parts of silicate cements (PO42.5), 105 parts of high-alumina cements, 150 parts in flyash (I level), 10 parts of calcium stearates, 4 parts of polymer glue powders, 3 parts of polypropylene fibre anti-crack fibers, 30 parts in hydrogen peroxide (mass concentration is 27.5%), 2 parts of hydrophober, 305 parts in water, join agravic mixing and blending machine mixing and pour mould into after 3 minutes, can form the foamed concrete warming plate through blanks and moulding and conserving.
The above is preferred embodiment of the present invention, but the present invention should not be confined to the disclosed content of this embodiment.So everyly do not break away from the equivalence of finishing under the spirit disclosed in this invention or revise, all fall into the scope of protection of the invention.
Claims (7)
1. the preparation method of a foamed concrete warming plate, its step comprises: by weight, with binding material 380-430 part, adulterant 135-160 part, calcium stearate 8-12, polymer glue powder 3-6 part, anti-crack fiber 0.5-3 part, hydrophober 1-4 part, hydrogen peroxide 25-35 part and water 270-310 part, join to mix after 2-5 minute in the agravic mixing and blending machine and pour in the mould, namely obtain the foamed concrete warming plate through blanks and moulding and conserving.
2. according to the described foamed concrete warming plate of claim 1, it is characterized in that: described binding material is made up of silicate cement and high-alumina cement, and the weight ratio of silicate cement and high-alumina cement is 1-4:1.
3. according to the described foamed concrete warming plate of claim 2, it is characterized in that: described binding material is made up of silicate cement and high-alumina cement, and the weight ratio of silicate cement and high-alumina cement is 2-3:1.
4. according to the described foamed concrete warming plate of claim 1, it is characterized in that: described anti-crack fiber is polypropylene fibre, and this Fibre diameter is 6-9mm.
5. according to the described foamed concrete warming plate of claim 1, it is characterized in that: described adulterant is any in first level flour coal ash, breeze, the limestone powder.
6. according to the described foamed concrete warming plate of claim 1, it is characterized in that: the mass concentration of hydrogen peroxide is 25%-29%.
7. a foamed concrete warming plate is characterized in that: by each described method preparation among the claim 1-6.
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| CN201310242432.9A CN103304260B (en) | 2013-06-18 | 2013-06-18 | A kind of foamed concrete warming plate and preparation method thereof |
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| CN201310242432.9A CN103304260B (en) | 2013-06-18 | 2013-06-18 | A kind of foamed concrete warming plate and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835538A (en) * | 2014-03-21 | 2014-06-04 | 黑河森泰节能建材有限公司 | Firing-free overwintering plant for cold regions |
| CN103964789A (en) * | 2014-05-12 | 2014-08-06 | 深圳市国大长兴科技有限公司 | Method for producing foamed concrete by using artificial stone plate waste |
| CN104016643A (en) * | 2014-05-30 | 2014-09-03 | 沈阳建筑大学 | Foam concrete insulation board prepared by use of quicklime spontaneous heating |
| CN104446183A (en) * | 2014-11-10 | 2015-03-25 | 广西华欣建材有限公司 | Sound-insulating building block formula |
| CN104446604A (en) * | 2014-11-10 | 2015-03-25 | 广西华欣建材有限公司 | Prescription of light building block |
| CN105130277A (en) * | 2015-08-27 | 2015-12-09 | 滁州市瑞景园林建设有限公司 | Multi-functional thermal insulation board |
| CN106007554A (en) * | 2016-05-12 | 2016-10-12 | 福建朗创建科新材料有限公司 | Alkali-resistant concrete extrusion partition board and preparing method thereof |
| CN106082886A (en) * | 2016-06-14 | 2016-11-09 | 中铁十四局集团第二工程有限公司 | After tunnel wall, cavity is filled and is used foamed cement injecting paste material |
| CN106365671A (en) * | 2016-08-29 | 2017-02-01 | 江苏金贸科技发展有限公司 | Low-stress high-strength anti-cracking inorganic thermal-insulation board |
| CN110372290A (en) * | 2019-07-01 | 2019-10-25 | 苏州混凝土水泥制品研究院有限公司 | A kind of large dosage volcanic ash foam concrete material and preparation method thereof |
| CN112125617A (en) * | 2020-09-30 | 2020-12-25 | 河南立安新型建材有限公司 | Composite concrete and preparation method thereof |
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| CN102351478A (en) * | 2011-07-18 | 2012-02-15 | 南通市华夏硅酸盐制品有限公司 | Inorganic particle foam concrete composite insulation board |
| CN103086734A (en) * | 2011-11-02 | 2013-05-08 | 杨奎利 | Inorganic foamed concrete insulation board and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835538A (en) * | 2014-03-21 | 2014-06-04 | 黑河森泰节能建材有限公司 | Firing-free overwintering plant for cold regions |
| CN103964789A (en) * | 2014-05-12 | 2014-08-06 | 深圳市国大长兴科技有限公司 | Method for producing foamed concrete by using artificial stone plate waste |
| CN103964789B (en) * | 2014-05-12 | 2015-09-30 | 深圳市国大长兴科技有限公司 | Artificial stone plate's waste is utilized to produce the method for foamed concrete |
| CN104016643A (en) * | 2014-05-30 | 2014-09-03 | 沈阳建筑大学 | Foam concrete insulation board prepared by use of quicklime spontaneous heating |
| CN104446183A (en) * | 2014-11-10 | 2015-03-25 | 广西华欣建材有限公司 | Sound-insulating building block formula |
| CN104446604A (en) * | 2014-11-10 | 2015-03-25 | 广西华欣建材有限公司 | Prescription of light building block |
| CN105130277A (en) * | 2015-08-27 | 2015-12-09 | 滁州市瑞景园林建设有限公司 | Multi-functional thermal insulation board |
| CN106007554A (en) * | 2016-05-12 | 2016-10-12 | 福建朗创建科新材料有限公司 | Alkali-resistant concrete extrusion partition board and preparing method thereof |
| CN106082886A (en) * | 2016-06-14 | 2016-11-09 | 中铁十四局集团第二工程有限公司 | After tunnel wall, cavity is filled and is used foamed cement injecting paste material |
| CN106082886B (en) * | 2016-06-14 | 2018-01-02 | 中铁十四局集团第二工程有限公司 | Foamed cement injecting paste material is used in cavity filling after tunnel wall |
| CN106365671A (en) * | 2016-08-29 | 2017-02-01 | 江苏金贸科技发展有限公司 | Low-stress high-strength anti-cracking inorganic thermal-insulation board |
| CN110372290A (en) * | 2019-07-01 | 2019-10-25 | 苏州混凝土水泥制品研究院有限公司 | A kind of large dosage volcanic ash foam concrete material and preparation method thereof |
| CN112125617A (en) * | 2020-09-30 | 2020-12-25 | 河南立安新型建材有限公司 | Composite concrete and preparation method thereof |
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| CN103304260B (en) | 2016-01-20 |
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