CN104556916B - A kind of fire protection flame retarding aerated-block and preparation method thereof - Google Patents
A kind of fire protection flame retarding aerated-block and preparation method thereof Download PDFInfo
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- CN104556916B CN104556916B CN201410792432.0A CN201410792432A CN104556916B CN 104556916 B CN104556916 B CN 104556916B CN 201410792432 A CN201410792432 A CN 201410792432A CN 104556916 B CN104556916 B CN 104556916B
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Abstract
The invention discloses a kind of fire protection flame retarding aerated-block and preparation method thereof, it is made up of the raw material of following parts by weight：Potassium feldspar 50 70, ferrous aluminate cement 16 22, calcium hypophosphite 11 17, boehmite 15 20, borax 10 15, sericite 18 24, whiting 22 28, coconut shell flour 16 22, polyethyleneimine 47, sodium tungstate 24, triethanolamine 12, konjaku flour 35, modified aluminium powder 1.5 2.5, kayexalate 2.5 4.5, calcium carbide powder 35.Aerated-block fire retardant performance of the present invention is excellent, and refractoriness is high, and flame retardant rating reaches A levels, and also high with intensity, heat-resist, heat insulation property is good, and soundproof effect is good, ageing-resistant, antiseepage, cracking resistance, antidetonation, the advantages that corrosion resistance.
Description
Technical field
The present invention relates to a kind of fire protection flame retarding aerated-block and preparation method thereof, belong to building material field.
Background technology
Aerated-block is with siliceous material（Sand, flyash and containing silicon tailings etc.）And calcareous material（Lime, cement etc.）For
Primary raw material, fill foaming agent（Aluminium powder）, through adding water to stir, hole is formed by chemical reaction, cut by moulding by casting, precuring
Cut, the porous silicate product made of technical process such as steam press maintenance.Aerated-block has light, insulation, machinability
Well, the features such as raw material sources are wide, production efficiency is high, energy consumption is low, it is widely used in industry and the load-bearing of civil buildings or encloses
Shield, filling etc., by the most attention of countries in the world, turn into the preferred construction material that many countries widely popularize and developed.With
The fast development of China's building trade, to the performance requirement more and more higher of aerated-block, but there is anti-for traditional aerated-block
The shortcomings that fiery poor fire, the requirement of special occasions can not be met.Therefore, it is badly in need of developing a kind of fire protection flame retarding aerated-block.
The content of the invention
It is an object of the invention to provide a kind of fire protection flame retarding aerated-block and preparation method thereof.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of fire protection flame retarding aerated-block, is made up of the raw material of following parts by weight：Potassium feldspar 50-70, ferrous aluminate cement
16-22, calcium hypophosphite 11-17, boehmite 15-20, borax 10-15, sericite 18-24, whiting 22-28, coconut shell flour 16-
22nd, polyethyleneimine 4-7, sodium tungstate 2-4, triethanolamine 1-2, konjaku flour 3-5, modified aluminium powder 1.5-2.5, polystyrolsulfon acid
Sodium 2.5-4.5, calcium carbide powder 3-5；
The preparation method of the modified aluminium powder is as follows：（a）, take the raw materials of following parts by weight：Activated aluminum powder 60-80, methylene
Base sodium dinaphthalenesulfonate 3-6, Cocoamidopropyl betaine 2-4, CH3-(CH2)13N(CH3)2-O 1.5-2.5, detergent alkylate
Sodium sulfonate 4.5-6.5, lauroyl diethanolamine 4-7, sodium abietate 5-8, cetearyl glucoside 2-4, Tea Saponin 1-3；
（b）, take aluminium powder to add appropriate water, the slurries that concentration is 50-60% are made in stirring, then add sodium metnylene bis-naphthalene sulfonate, cocounut oil
Amido propyl betaine, CH3-(CH2)13N(CH3)2-O and neopelex, stirred under 50-80r/min rotating speed
1-2h is mixed, is filtered, drying；（c）, take the aluminium powder of above-mentioned drying of 1/3-1/2 amounts to be mixed with lauroyl diethanolamine, Tea Saponin,
2-3h is stirred under 40-60r/min rotating speed, obtains modified aluminium powder A；（d）, take remaining aluminium powder and sodium abietate, cetearyl alcohol
Base glucoside mixes, and stirs 3-4h under 30-50r/min rotating speed, obtains modified aluminium powder B；（e）, by modified aluminium powder A and modified aluminium
Powder B is well mixed, and produces required modified aluminium powder.
Above-mentioned modified aluminium powder is using traditional aluminium powder and lauroyl diethanolamine, sodium abietate, cetearyl glucoside, tea
The plurality of raw materials such as saponin are compound, can dramatically increase slurry denseness, increase substantially the efficiency of getting angry of aluminium powder, efficiently solve tradition
Aluminium powder foaming agent get angry efficiency it is low the shortcomings that.
A kind of preparation method of fire protection flame retarding aerated-block, is made up of the following steps：
（1）Take potassium feldspar, boehmite, sericite to be well mixed, crush, cross 150-250 mesh sieves, add water to cause compound
Then water content control adds triethanolamine, kayexalate in 75-80%, after 500-1000rpm grindings 20-25min
Ferrous aluminate cement, calcium hypophosphite, borax, whiting, coconut shell flour, polyethyleneimine, sodium tungstate, konjaku flour are added, stirring is equal
The water content of compound is adjusted after even again to 85-90%, 400-800rpm stirrings 4-6min；
（2）Modified aluminium powder, calcium carbide powder are added into step（1）In obtained slurry, after stirring at a temperature of 60-80 DEG C
Foam 20-40min；
（3）By step（2）In obtained foamed slurry injection moulding mould, natural curing 24-48h, form removal, green compact are obtained；
（4）By step（3）Obtained green compact steam under conditions of temperature is 50-70 DEG C, pressure is 0.6-0.9MPa is supported
10-15h is protected, produces aerated-block finished product.
Beneficial effects of the present invention：
Aerated-block fire retardant performance of the present invention is excellent, and refractoriness is high, and flame retardant rating reaches A levels, also high with intensity,
Heat-resist, heat insulation property is good, and soundproof effect is good, ageing-resistant, antiseepage, cracking resistance, antidetonation, the advantages that corrosion resistance.
Embodiment
A kind of fire protection flame retarding aerated-block, by following weight（kg）Raw material be made：Potassium feldspar 60, ferrous aluminate cement
18th, calcium hypophosphite 14, boehmite 18, borax 13, sericite 22, whiting 26, coconut shell flour 18, polyethyleneimine 5, sodium tungstate 3,
Triethanolamine 1.5, konjaku flour 4, modified aluminium powder 2, kayexalate 3.5, calcium carbide powder 4；
The preparation method of the modified aluminium powder is as follows：（a）, take following weight（kg）Raw material：Activated aluminum powder 75, methylene
Sodium dinaphthalenesulfonate 5.5, Cocoamidopropyl betaine 3.5, CH3-(CH2)13N(CH3)2-O 2, neopelex 6,
Lauroyl diethanolamine 6, sodium abietate 7, cetearyl glucoside 3, Tea Saponin 2.5；（b）, take aluminium powder to add appropriate water, stir
Then mixing adds sodium metnylene bis-naphthalene sulfonate, Cocoamidopropyl betaine, dodecyldimethylamine into the slurries of concentration 60%
Base amine oxide and neopelex, 1h is stirred under 70r/min rotating speed, filtered, drying；（c）, take the upper of 1/2 amount
The aluminium powder for stating drying is mixed with lauroyl diethanolamine, Tea Saponin, and 2h is stirred under 60r/min rotating speed, obtains modified aluminium powder A；
（d）, take remaining aluminium powder to be mixed with sodium abietate, cetearyl glucoside, stir 3h under 45r/min rotating speed, must change
Property aluminium powder B；（e）, modified aluminium powder A and modified aluminium powder B be well mixed, produce required modified aluminium powder.
A kind of preparation method of fire protection flame retarding aerated-block, is made up of the following steps：
（1）Take potassium feldspar, boehmite, sericite to be well mixed, crush, cross 200 mesh sieves, add water to cause the aqueous of compound
Amount control adds ferrous aluminate water in 75%, then addition triethanolamine, kayexalate, 1000rpm after grinding 25min
Mud, calcium hypophosphite, borax, whiting, coconut shell flour, polyethyleneimine, sodium tungstate, konjaku flour, mixing is adjusted after stirring again
The water content of material to 88%, 800rpm stir 4min；
（2）Modified aluminium powder, calcium carbide powder are added into step（1）In obtained slurry, issued after stirring in 75 DEG C of temperature
Steep 30min；
（3）By step（2）In obtained foamed slurry injection moulding mould, natural curing 36h, form removal, green compact are obtained；
（4）By step（3）Obtained green compact steam curing 12h under conditions of temperature is 60 DEG C, pressure is 0.7MPa, i.e.,
Obtain aerated-block finished product.
The main performance detection of aerated-block made from above-described embodiment see the table below：
| Project | Unit | Testing result |
| Cold crushing strength | Mpa | 5.1 |
| Drying shrinkage value | mm/m | 0.4 |
| Thermal conductivity factor | W/m.K | 0.17 |
| Flame retardant rating | Level | A |
| Refractoriness | ℃ | 920 |
Claims (2)
1. a kind of fire protection flame retarding aerated-block, it is characterised in that be made up of the raw material of following parts by weight：Potassium feldspar 50-70, iron
Aluminate cement 16-22, calcium hypophosphite 11-17, boehmite 15-20, borax 10-15, sericite 18-24, whiting 22-28,
It is coconut shell flour 16-22, polyethyleneimine 4-7, sodium tungstate 2-4, triethanolamine 1-2, konjaku flour 3-5, modified aluminium powder 1.5-2.5, poly-
SSS 2.5-4.5, calcium carbide powder 3-5；
The preparation method of the modified aluminium powder is as follows：
（a）, take the raw materials of following parts by weight：Activated aluminum powder 60-80, sodium metnylene bis-naphthalene sulfonate 3-6, cocamidopropyl propyl amide beet
Alkali 2-4, CH3-(CH2)13N(CH3)2-O 1.5-2.5, neopelex 4.5-6.5, lauroyl diethanolamine 4-7,
Sodium abietate 5-8, cetearyl glucoside 2-4, Tea Saponin 1-3；
（b）, take aluminium powder to add appropriate water, the slurries that concentration is 50-60% are made in stirring, then add sodium metnylene bis-naphthalene sulfonate,
Cocoamidopropyl betaine, CH3-(CH2)13N(CH3)2-O and neopelex, in 50-80r/min rotating speed
Lower stirring 1-2h, filter, drying；
（c）, take the aluminium powder of above-mentioned drying of 1/3-1/2 amounts to be mixed with lauroyl diethanolamine, Tea Saponin, 40-60r/min's
2-3h is stirred under rotating speed, obtains modified aluminium powder A；
（d）, take remaining aluminium powder to be mixed with sodium abietate, cetearyl glucoside, stirred under 30-50r/min rotating speed
3-4h, obtain modified aluminium powder B；
（e）, modified aluminium powder A and modified aluminium powder B be well mixed, produce required modified aluminium powder.
2. the preparation method of fire protection flame retarding aerated-block according to claim 1, it is characterised in that by the following steps group
Into：
（1）Take potassium feldspar, boehmite, sericite to be well mixed, crush, cross 150-250 mesh sieves, add water to cause the aqueous of compound
Amount control adds in 75-80%, then addition triethanolamine, kayexalate, 500-1000rpm after grinding 20-25min
Ferrous aluminate cement, calcium hypophosphite, borax, whiting, coconut shell flour, polyethyleneimine, sodium tungstate, konjaku flour, after stirring
The water content of compound is adjusted again to 85-90%, 400-800rpm stirrings 4-6min；
（2）Modified aluminium powder, calcium carbide powder are added into step（1）In obtained slurry, foamed after stirring at a temperature of 60-80 DEG C
20-40min；
（3）By step（2）In obtained foamed slurry injection moulding mould, natural curing 24-48h, form removal, green compact are obtained；
（4）By step（3）Obtained green compact steam curing 10- under conditions of temperature is 50-70 DEG C, pressure is 0.6-0.9MPa
15h, produce aerated-block finished product.
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| CN105418001A (en) * | 2015-11-09 | 2016-03-23 | 当涂县科辉商贸有限公司 | Anti-aging long-service-life autoclaved aerated concrete block and manufacturing method thereof |
| CN107522432A (en) * | 2017-07-31 | 2017-12-29 | 铜陵丰泽建材科技有限公司 | A kind of preparation method of environmentally friendly steam-pressing brisk |
| CN107376182A (en) * | 2017-08-18 | 2017-11-24 | 高振芳 | A kind of graphene plant composite type fire retardant extinguisher |
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| CN102875069B (en) * | 2012-08-25 | 2014-09-17 | 马鞍山豹龙新型建材有限公司 | Preparation process for aerated concrete block with raw materials containing modified nano mineral powder |
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