CN103664119B - A kind of fire retardant energy-saving lagging material - Google Patents

A kind of fire retardant energy-saving lagging material Download PDF

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Publication number
CN103664119B
CN103664119B CN201310577828.9A CN201310577828A CN103664119B CN 103664119 B CN103664119 B CN 103664119B CN 201310577828 A CN201310577828 A CN 201310577828A CN 103664119 B CN103664119 B CN 103664119B
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China
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fire retardant
component
lagging
diatomite
volcanic ash
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CN201310577828.9A
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Chinese (zh)
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CN103664119A (en
Inventor
平清伟
王春
张健
炊颖
程小妮
牛梅红
李娜
石海强
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大连工业大学
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Abstract

The present invention relates to a kind of with volcanic ash, diatomite and waste paper etc. for the method for fire retardant energy-saving lagging material prepared by raw material, relate to building thermal insulation material production technology and the field of comprehensive utilization such as vegetable fibre resource, industrial inorganic waste.A kind of fire retardant energy-saving lagging material, described material is that raw material is made by component A and whipping agent B, wherein, and described component A, by mass percentage, be made up of following component: volcanic ash 35% ~ 65%, gypsum 8% ~ 26%, diatomite 12% ~ 24%, cement 5% ~ 15%, fibering crack inhibitor 1% ~ 5%, fire retardant 0.2% ~ 0.6%, calcium stearate 0.2% ~ 1.0%.The invention provides with volcanic ash, diatomite and waste paper etc. for fire retardant energy-saving lagging material prepared by raw material, can meet A level does not fire the lagging material market requirement, and can make full use of local cheap inorganic materials resource and biomass resource.

Description

A kind of fire retardant energy-saving lagging material
Technical field
The present invention relates to a kind of with volcanic ash, diatomite and waste paper etc. for the method for fire retardant energy-saving lagging material prepared by raw material, relate to building thermal insulation material production technology and the field of comprehensive utilization such as vegetable fibre resource, industrial inorganic waste.
Background technology
Energy problem has become the significant problem of countries in the world Economic development, social stability, be also the mankind is the key subjects that Sustainable development must be solved.Energy-conservation is an importance of energy development, and the ratio shared in various countries' total energy consumption of building energy consumption reaches 30% ~ 40%, and has ever-increasing trend.Therefore must greatly develop environment protecting and power-saving building, improve efficiency of energy utilization, utilize waste to develop practical product innovation, meet the Main way that every profession and trade needs are " turning waste into wealth " industrial developments.In recent years, the domestic fire failure because of lagging material generation, has allowed people clearly appreciate the necessity and urgency applying the energy-saving and heat-insulating material with good fire resistance.Therefore, the research and development of lagging material and heat-insulation system design, should by safety with energy-conservation, prevent fires and to give top priority together with being incubated, building materials are energy-conservation must be advanced, and lagging material urgently upgrades.
Although polyphenyl foam material has obtained commonplace application in some big and medium-sized cities at home, because its flame retardant properties is poor, during burning, distribute toxic gas, and inorganic cellular insulant combustionproperty reaches A level (not firing).Along with the development of science and technology, the requirement of people to material of construction is increased thereupon, and the material of construction used at present can not meet the needs of relevant department in energy-conservation, fire prevention, insulation etc.Therefore, more and more valuing researches, exploitation, the application lagging material based on inorganics both at home and abroad.
From 2009, the U.S. has been caught up with and surpassed in domestic papermaking became global paper and paperboard output and consumption big country, and waste paper fibre is repeatedly unwell to continuation papermaking after reuse.Therefore, domestic have a large amount of cheap waste paper resources.Volcanic ash is not high at China's development and utilization level, and in diatomite, secondary soil, three grades of native overwhelming majority go out of use, and have both wasted resource and also can cause environmental pollution.
Summary of the invention
Object of the present invention is exactly a kind of fire retardant energy-saving lagging material prepared for raw material with volcanic ash, diatomite and fibering crack inhibitor etc., A level can be met and do not fire the lagging material market requirement, and local cheap inorganic materials resource and biomass resource can be made full use of.
A kind of fire retardant energy-saving lagging material, described material is that raw material is made by component A and whipping agent B, wherein,
Described component A, by mass percentage, is made up of following component: volcanic ash 35% ~ 65%, gypsum 8% ~ 26%, diatomite 12% ~ 24%, cement 5% ~ 15%, fibering crack inhibitor 1% ~ 5%, fire retardant 0.2% ~ 0.6%, calcium stearate 0.2% ~ 1.0%,
Described fibering crack inhibitor is selected from least one in waste paper powder, waste paper fibre or mineral fibre.
In described component A, each constituent mass per-cent sum is 100%.
Cheap natural resources volcanic ash is adopted to be aggregate in the present invention, volcanic ash is the fine particle that a kind of volcanic eruption is formed through violent cooling, soap-free emulsion polymeization power own, can be formed after wherein contained active vitreum and cement, gypsum etc. react and stablize and there is the gum material of the hydraulicity, as the volcanic ash from Changbai Mountain.
The present invention preferably uses secondary soil, three grades of diatomite, to reach the object of utilization of waste material.
Use fibering crack inhibitor to be selected from least one in waste paper powder, waste paper fibre or mineral fibre in the present invention, it ftractures after can preventing lagging material curing molding, is preferably waste paper fibre.
Waste paper powder of the present invention refers to powder obtained after discarded paper using fragmentation, and preferably its granularity was 40 object powder.
Waste paper fibre of the present invention refers to the fiber obtained after waste paper is discongested, preferred softwood fiber.
Fire retardant energy-saving lagging material of the present invention, preferred described component A, by mass percentage, be made up of following component: volcanic ash 50% ~ 60%, gypsum 15% ~ 24%, diatomite 15% ~ 20%, cement 9% ~ 11%, fibering crack inhibitor 2% ~ 4%, fire retardant 0.3% ~ 0.5%, calcium stearate 0.7% ~ 0.9%.
The preferred described whipping agent B of fire retardant energy-saving lagging material of the present invention, by mass percentage, is made up of following component: Sodium dodecylbenzene sulfonate 45% ~ 55% and yam starch 55% ~ 45%.
The present invention's cement used, gypsum, diatomite, fire retardant, Sodium dodecylbenzene sulfonate, yam starch, calcium stearate all can business be buied.
The preferred described fire retardant of fire retardant energy-saving lagging material of the present invention, by mass percentage, is made up of following component: zinc borate 75% ~ 65%, aluminium hydroxide 25% ~ 35%.
Fire retardant of the present invention is preferably the mixture of zinc borate and aluminium hydroxide.Zinc borate is as a kind of inorganic combustion inhibitor, belong to boron flame retardant, have excellent nontoxic, pollution-free, fire-retardant and press down the environmental-protecting performances such as cigarette, zinc borate flame retardant is a kind of fire retardant of novel, excellent performance, outward appearance is white powder, fusing point is 980 DEG C, toxicity LD50 is greater than 10g/kg, have that thermostability is high, little, the easy dispersion of fine size, volume mass, the distinguishing feature such as nontoxic, can be widely used in Highrise buildings, not only there is good flame retardant effect, and nontoxic, Extra Section aluminium hydroxide simultaneously, to reduce fire retardant cost.
The preferred described material of fire retardant energy-saving lagging material of the present invention is prepared as follows:
1. slurry C preparation: be 1.1 ~ 1.2 fibering crack inhibitor, fire retardant and water to be mixed by component A and the mass ratio of water, adds volcanic ash, cement, diatomite, gypsum, calcium stearate mixing successively, obtains slurry C after stirring 3 ~ 5min;
2. prepared by foam D: by the ratio of whipping agent and water be 0.12 ~ 0.15g:10mL by water-soluble for whipping agent B, foaming, obtains foam D;
3. lagging material preparation: by step 1. gained slurry C and step 2. gained foam D mix 1:2 ~ 3 by volume, injection model, maintenance, the demoulding, dry, both.
In aforesaid method, preferred steps is 1.: be 1.1 ~ 1.2 fibering crack inhibitor (at least one in waste paper powder, waste paper fibre or mineral fibre) is added to the water and is discongested by the mass ratio of component A and water, after add fire retardant and stir and to add volcanic ash, cement, diatomite, gypsum, calcium stearate stir 8 ~ 10min after 3 ~ 5min successively, obtain slurry C.
Discongesting of described waste paper can be carried out in hydrapulpter, defiberizing machine.
In aforesaid method, preferred steps 2.: described foaming obtains foam with churned mechanically method, and stirring velocity is 1000 ~ 1200r/min, gained foam diameter 1 ~ 2mm.
Described mechanical stirring foams in the foaming machine that can buy in business and carries out.
In aforesaid method, preferred steps 3.: by step 2. gained foam D slowly pour step into 1. in gained slurry C in 1:2 ~ 3 by volume, be uniformly mixed 3 ~ 5min, injection model maintenance, the demoulding, dry, both,
Described curing condition is: place 2 ~ 24h under normal temperature, or in humidity 90% ~ 95%, maintenance 2 ~ 24h under temperature 30 ~ 40 DEG C of conditions.
Fire retardant energy-saving lagging material of the present invention has following performance perameter:
Dry density is 440 ~ 550Kg/m3, and thermal conductivity is 0.050 ~ 0.065W (mK) -1, ultimate compression strength is 500 ~ 1000KPa.
The invention has the beneficial effects as follows:
1) pollution-free.Produce without any pollutent in lagging material preparation process, discharge.
2) reduced investment.Replace a large amount of cement with volcanic ash, use general-purpose equipment, easy construction, abundant raw material source, cheap.
3) save energy.Make use of the industrial residue of the contaminate environment such as volcanic ash, diatomite, improve waste paper utilization rate, substitute the lagging materials such as styrofoam, thus save petroleum resources.
4) material of construction is fire-retardant, thermal and insulating performance is good.The thermal conductivity of lagging material remains on 0.050 ~ 0.065W (mK) -1.Volcanic ash proportion much smaller than cement, and is inorganic non-combustible thing, and gypsum, cement, diatomite all belong to incombustible substance, and add fire retardant.
Embodiment
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
Test method described in following embodiment, if no special instructions, is ordinary method; Described reagent and material, if no special instructions, all can obtain from commercial channels.
Embodiment 1
1. slurry C preparation: mineral fibre 19g and 555g water are placed in defiberizing machine and discongest, backward gained mixture adds zinc borate 1.33g, aluminium hydroxide 0.57g stirs and to add volcanic ash, cement, diatomite, gypsum, calcium stearate stir 8min after 3min successively, obtain slurry C, wherein, volcanic ash 200g, diatomite 100g, cement 50g, gypsum 120g, calcium stearate 3.9g;
2. prepared by foam D: whipping agent B4g and 300g water are placed in foaming machine and foam, and stirring velocity is 1100r/min, gained foam diameter 1 ± 0.5mm, and wherein whipping agent B by mass percentage, is made up of Sodium dodecylbenzene sulfonate 50% and yam starch 50%;
3. lagging material preparation: by step 2. gained foam D slowly pour step into 1. in gained slurry C, be uniformly mixed 3min, injection model, maintenance, the demoulding, dry, both,
Described curing condition is: in humidity 90%, maintenance 24h under temperature 30 DEG C of conditions.
Adopt GB/T5464-1999 standard to carry out flame retardant properties detection to lagging material of the present invention, result is indicated as A level incombustible substance.Use YBF-3 type heat conduction coefficient tester to carry out Measured Results of Thermal Conductivity to lagging material of the present invention, its thermal conductivity is 0.061W (mK) -1.Adopt GB/T11969-2008 standard to carry out density and strength detection to lagging material of the present invention, its dry density is 449Kg/m 3, ultimate compression strength is 570KPa.
Embodiment 2
1. slurry C preparation: waste paper fibre 20g and 575g water are placed in defiberizing machine and discongest, backward gained mixture adds zinc borate 1.33g, aluminium hydroxide 0.57g stirs and to add volcanic ash, cement, diatomite, gypsum, calcium stearate stir 8min after 3min successively, obtain slurry C, wherein, volcanic ash 255g, diatomite 100g, cement 50g, gypsum 75g, calcium stearate 3.9g;
2. prepared by foam D: whipping agent B4g and 300g water are placed in foaming machine and foam, and stirring velocity is 1100r/min, gained foam diameter 1 ± 0.5mm, and wherein whipping agent B by mass percentage, is made up of Sodium dodecylbenzene sulfonate 50% and yam starch 50%;
3. lagging material preparation: by step 2. gained foam D slowly pour step into 1. in gained slurry C, be uniformly mixed 3min, injection model, maintenance, the demoulding, dry, both,
Described curing condition is: in humidity 90%, maintenance 24h under temperature 30 DEG C of conditions.
Adopt GB/T5464-1999 standard to carry out flame retardant properties detection to lagging material of the present invention, result is indicated as A level incombustible substance.Use YBF-3 type heat conduction coefficient tester to carry out Measured Results of Thermal Conductivity to lagging material of the present invention, its thermal conductivity is 0.055W (mK) -1.Adopt GB/T11969-2008 standard to carry out density and strength detection to lagging material of the present invention, its dry density is 541Kg/m 3, ultimate compression strength is 510KPa.
Embodiment 3
1. slurry C preparation: by mineral fibre 10g, waste paper fibre 10g and 600g water are placed in defiberizing machine and discongest, backward gained mixture adds zinc borate 1.4g, and aluminium hydroxide 0.6g stirs and to add volcanic ash, cement, diatomite, gypsum, calcium stearate stir 8min after 3min successively, obtains slurry C, wherein, volcanic ash 300g, diatomite 80g, cement 50g, gypsum 75g, calcium stearate 4.2g;
2. prepared by foam D: whipping agent B4g and 300g water are placed in foaming machine and foam, and stirring velocity is 1100r/min, gained foam diameter 1 ± 0.5mm, and wherein whipping agent B by mass percentage, is made up of Sodium dodecylbenzene sulfonate 50% and yam starch 50%;
3. lagging material preparation: by step 2. gained foam D slowly pour step into 1. in gained slurry C, be uniformly mixed 3min, injection model, maintenance, the demoulding, dry, both,
Described curing condition is: in humidity 90%, maintenance 24h under temperature 30 DEG C of conditions.
Adopt GB/T5464-1999 standard to carry out flame retardant properties detection to lagging material of the present invention, result is indicated as A level incombustible substance.Use YBF-3 type heat conduction coefficient tester to carry out Measured Results of Thermal Conductivity to lagging material of the present invention, its thermal conductivity is 0.053W (mK) -1.Adopt GB/T11969-2008 standard to carry out density and strength detection to lagging material of the present invention, its dry density is 489Kg/m 3, ultimate compression strength is 680KPa.
Embodiment 4
1. slurry C preparation: waste paper fibre 22g and 640g water are placed in defiberizing machine and discongest, backward gained mixture adds zinc borate 1.54g, aluminium hydroxide 0.66g stirs and to add volcanic ash, cement, diatomite, gypsum, calcium stearate stir 8min after 3min successively, obtain slurry C, wherein, volcanic ash 300g, diatomite 100g, cement 50g, gypsum 100g, calcium stearate 4.6g;
2. prepared by foam D: whipping agent B4g and 300g water are placed in foaming machine and foam, and stirring velocity is 1100r/min, gained foam diameter 1 ± 0.5mm, and wherein whipping agent B by mass percentage, is made up of Sodium dodecylbenzene sulfonate 50% and yam starch 50%;
3. lagging material preparation: by step 2. gained foam D slowly pour step into 1. in gained slurry C, be uniformly mixed 3min, injection model, maintenance, the demoulding, dry, both,
Described curing condition is: in humidity 90%, maintenance 24h under temperature 30 DEG C of conditions.
Adopt GB/T5464-1999 standard to carry out flame retardant properties detection to lagging material of the present invention, result is indicated as A level incombustible substance.Use YBF-3 type heat conduction coefficient tester to carry out Measured Results of Thermal Conductivity to lagging material of the present invention, its thermal conductivity is 0.064W (mK) -1.Adopt GB/T11969-2008 standard to carry out density and strength detection to lagging material of the present invention, its dry density is 468Kg/m 3, ultimate compression strength is 520KPa.

Claims (6)

1. a fire retardant energy-saving lagging material, described material is that raw material is made by component A and whipping agent B, wherein,
Described component A, by mass percentage, is made up of following component: volcanic ash 35% ~ 65%, gypsum 8% ~ 26%, diatomite 12% ~ 24%, cement 5% ~ 15%, fibering crack inhibitor 1% ~ 5%, fire retardant 0.2% ~ 0.6%, calcium stearate 0.2% ~ 1.0%
Described fibering crack inhibitor is selected from least one in waste paper powder, waste paper fibre or mineral fibre,
Described material is prepared as follows:
1. slurry C preparation: by component A and the mass ratio of water be 1.1 ~ 1.2 fibering crack inhibitor, fire retardant and water are mixed after add volcanic ash, cement, diatomite, gypsum, calcium stearate mixing successively, obtain slurry C;
2. prepared by foam D: by the ratio of whipping agent and water be 0.12 ~ 0.15g:10mL by water-soluble for whipping agent B, foaming, obtains foam D;
3. lagging material preparation: by step 1. gained slurry C and step 2. gained foam D mix 1:2 ~ 3 by volume, injection model, maintenance, the demoulding, dry, to obtain final product.
2. material according to claim 1, it is characterized in that: described component A, by mass percentage, be made up of following component: volcanic ash 50% ~ 60%, gypsum 15% ~ 24%, diatomite 15% ~ 20%, cement 9% ~ 11%, fibering crack inhibitor 2% ~ 4%, fire retardant 0.3% ~ 0.5%, calcium stearate 0.7% ~ 0.9%.
3. material according to claim 1, is characterized in that: described whipping agent B, by mass percentage, is made up of following component: Sodium dodecylbenzene sulfonate 45% ~ 55% and yam starch 55% ~ 45%.
4. material according to claim 1, is characterized in that: described fire retardant, by mass percentage, is made up of following component: zinc borate 75% ~ 65%, aluminium hydroxide 25% ~ 35%.
5. material according to claim 1, is characterized in that: described step 2. gained foam diameter is 1 ~ 2mm.
6. the material according to any one of Claims 1 to 5, is characterized in that: described lagging material: dry density is 440 ~ 550Kg/m 3, thermal conductivity is 0.050 ~ 0.065W (mK) -1, ultimate compression strength is 500 ~ 1000KPa.
CN201310577828.9A 2013-11-15 2013-11-15 A kind of fire retardant energy-saving lagging material CN103664119B (en)

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CN105731953A (en) * 2016-01-28 2016-07-06 任甜甜 Environment-friendly thermal-insulation material and preparation method thereof
CN105712684A (en) * 2016-01-28 2016-06-29 任甜甜 Novel fireproof thermal insulation material and preparing method
CN106278089A (en) * 2016-08-01 2017-01-04 太仓顺如成建筑材料有限公司 A kind of novel heat insulation flame retardant building material
CN107304115A (en) * 2016-08-23 2017-10-31 如皋长江科技产业有限公司 A kind of low insulation material of thermal conductivity factor
CN106588104B (en) * 2016-12-20 2019-04-16 大连工业大学 A kind of sand base breathing brick and its production method
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CN107879669A (en) * 2017-11-13 2018-04-06 东莞市爱乐居环保科技有限公司 A kind of diatom ooze building thermal insulation material
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