CN104072034B - A kind of Environment-friendlylight light partition board utilizing waste coal ash to produce and preparation method thereof - Google Patents

Abstract

The invention discloses a kind of Environment-friendlylight light partition board utilizing waste coal ash to produce, it is characterized in that, be made up of the raw material of following weight part: cement 10-14, geopolymer 15-19, calcium lignin sulphonate 11-15, calcium oxide 2-6, urea 1-3, hydroxypropyl methyl cellulose ether 2.4-4.5, caoxalate 3-5, barium sulfate 0.9-2.5, flyash 18-23, dicumyl peroxide 0.5-1.5, kaolin 9-12, river sand 8-10, Folium Pterocaryae 19-22, gum arabic 1-3, auxiliary agent 3-6, suitable quantity of water; The present invention with the addition of geopolymer replacing partial cement; reduce production cost; protect atmospheric environment; the light cellular partition board adopting present invention process obtained nonpoisonous and tasteless "dead", intensity is high, shock resistance is strong, heat insulating, waterproof and dampproof; have can follow closely, saw, dig, the performance such as bonding, subsides; smoothly need not to plaster, can directly Puttying.

Description

A kind of Environment-friendlylight light partition board utilizing waste coal ash to produce and preparation method thereof

Technical field

The present invention relates to building material field, be specifically related to a kind of Environment-friendlylight light partition board utilizing waste coal ash to produce and preparation method thereof.

Background technology

Light cellular partition board is made up of various industrial waste residues such as innoxious phosphogypsum, lightweight slag, flyash, through a kind of novel energy-conserving walling material of frequency conversion steam pressurized maintenance, the walling that it is a kind of external form as the cassette ceiling, but there is male and female falcon groove on its both sides, only sheet material need be erected during installation, male and female falcon is coated after a small amount of filleting mortar assembled.It has the advantages such as quality is light, intensity is high, multiple environmental protection, heat insulating, sound insulation, breathing damping, fire prevention, rapid construction, reduction body of wall cost, so enjoy favor in architecture indoor finishing field, but shortcomings such as the light cellular partition board ultimate compression strength used in the market is low, tensile strength is weak, anti-cracking performance and hanging ability is not good, production cost is high, sound-insulating weak effect.

Summary of the invention

Object of the present invention is just to provide a kind of Environment-friendlylight light partition board utilizing waste coal ash to produce and preparation method thereof, to overcome the deficiencies in the prior art.

The object of the present invention is achieved like this:

A kind of Environment-friendlylight light partition board utilizing waste coal ash to produce, it is characterized in that, be made up of the raw material of following weight part: cement 10-14, geopolymer 15-19, calcium lignin sulphonate 11-15, calcium oxide 2-6, urea 1-3, hydroxypropyl methyl cellulose ether 2.4-4.5, caoxalate 3-5, barium sulfate 0.9-2.5, flyash 18-23, dicumyl peroxide 0.5-1.5, kaolin 9-12, river sand 8-10, Folium Pterocaryae 19-22, gum arabic 1-3, auxiliary agent 3-6, suitable quantity of water.

Described auxiliary agent is made up of following raw materials in part by weight: volcanic ash 6-9, Sodium sulfate anhydrous.min(99) 2-5, magnesium chloride 3-5, magnesium oxide 2-4, polyvinyl alcohol 0.2-0.5, Starso 0.03-0.07, sodium aluminate 0.05-0.6, tartrate 0.8-2.1, organosilicon crylic acid latex 2.1-4.3, 2-imidazolidone 0.04-0.09, silicon carbide 1-3, accelerant CZ 0.03-0.05, Syzygium aromaticum stem oil 1.2-3.2, its preparation method to stir adding magnesium oxide powder in 50% magnesium chloride solution to obtain inorganic gel agent, then other leftover materials are pulverized mixing, add suitable quantity of water and stir 30-40 minute pulping, granulation, balling-up particle diameter is at 2-5mm, dry and get final product.

Described geopolymer is the novel inorganic silicon-aluminum gelatinized material a kind of structure with the network-like bonded structure of space three-dimensional, does not adopt " two mills one burn " calcining process of consumption of natural resource and the energy, substantially do not discharge CO in preparation technology ₂.The raw material sources of geopolymer is extensive, easy to prepare, energy consumption is little, has higher mechanical property and very excellent resistance to elevated temperatures simultaneously, breaches the use range of traditional portland and alkali slag cement.The present invention, by geopolymer replacing partial cement, not only can be reduced cost energy-conserving and environment-protective, and can not weaken the pectisation of cement again.

The preparation method of described a kind of Environment-friendlylight light partition board utilizing waste coal ash to produce, is characterized in that comprising the following steps:

(1) send in charring furnace by Folium Pterocaryae, at 503-635 DEG C, charing process 3-4 hour, takes out, is ground into powder, and the powder to gained makes it seethe spray form gum arabic under condition in air blast, then adds hydroxypropyl methyl cellulose ether and stir and make it mixing;

(2) get the hydrochloric acid soln that geopolymer puts into 8-12% and soak 4-5 hour, filter and take out, use clear water repetitive scrubbing, dry, be added to the water, meanwhile, add urea, river sand, grinding obtains slurry;

(3) kaolin, flyash are calcined at 600-848 DEG C after 3-6 hour and take out, pulverize, add calcium lignin sulphonate, caoxalate stirs 3-6 minute;

(4) step (1), (2), (3) reaction mass and other leftover materials are pulverized add suitable quantity of water stirring and evenly mixing and obtain slip, obtained slurry is added wall slab squeezing former is shaping, cutting, natural curing, to obtain final product.

The present invention has following beneficial effect: the present invention with the addition of geopolymer replacing partial cement; reduce production cost; protect atmospheric environment; the light cellular partition board adopting present invention process obtained nonpoisonous and tasteless "dead", intensity is high, shock resistance is strong, heat insulating, waterproof and dampproof; have can follow closely, saw, dig, the performance such as bonding, subsides; smoothly need not to plaster, can directly Puttying.

Embodiment

Described a kind of Environment-friendlylight light partition board utilizing waste coal ash to produce, it is characterized in that, be made up of the raw material of following weight part: cement 14, geopolymer 15, calcium lignin sulphonate 11, calcium oxide 2, urea 1, hydroxypropyl methyl cellulose ether 2.4, caoxalate 3, barium sulfate 0.9, flyash 18, dicumyl peroxide 0.5, kaolin 9, river sand 10, Folium Pterocaryae 19, gum arabic 1, auxiliary agent 3, suitable quantity of water.

Described auxiliary agent is made up of following raw materials in part by weight: volcanic ash 8, Sodium sulfate anhydrous.min(99) 4, magnesium chloride 3, magnesium oxide 2, polyvinyl alcohol 0.4, Starso 0.06, sodium aluminate 0.3, tartrate 0.8, organosilicon crylic acid latex 2.1,2-imidazolidone 0.04, silicon carbide 1, accelerant CZ 0.03, Syzygium aromaticum stem oil 1.2, its preparation method to stir adding magnesium oxide powder in 50% magnesium chloride solution to obtain inorganic gel agent, then other leftover materials are pulverized mixing, add suitable quantity of water and stir 30-40 minute pulping, granulation, balling-up particle diameter, at 2-5mm, is dried and be get final product.

Making method comprises the following steps:

(1) send in charring furnace by Folium Pterocaryae, at 503-635 DEG C, charing process 3-4 hour, takes out, is ground into powder, and the powder to gained makes it seethe spray form gum arabic under condition in air blast, then adds hydroxypropyl methyl cellulose ether and stir and make it mixing;

(2) get the hydrochloric acid soln that geopolymer puts into 8-12% and soak 4-5 hour, filter and take out, use clear water repetitive scrubbing, dry, be added to the water, meanwhile, add urea, river sand, grinding obtains slurry;

(3) kaolin, flyash are calcined at 600-848 DEG C after 3-6 hour and take out, pulverize, add calcium lignin sulphonate, caoxalate stirs 3-6 minute;

(4) step (1), (2), (3) reaction mass and other leftover materials are pulverized add suitable quantity of water stirring and evenly mixing and obtain slip, obtained slurry is added wall slab squeezing former is shaping, cutting, natural curing, to obtain final product.

The technical indicator of being processed the light cellular partition board obtained by above-described embodiment is as follows:

(1) unit weight: 511kg/m ³;

(2) ultimate compression strength: 5.2MPa;

(3) high temperature resistant, flat appearance is smooth.

Claims (2)

1. the Environment-friendlylight light partition board utilizing waste coal ash to produce, it is characterized in that, be made up of the raw material of following weight part: cement 10-14, geopolymer 15-19, calcium lignin sulphonate 11-15, calcium oxide 2-6, urea 1-3, hydroxypropyl methyl cellulose ether 2.4-4.5, caoxalate 3-5, barium sulfate 0.9-2.5, flyash 18-23, dicumyl peroxide 0.5-1.5, kaolin 9-12, river sand 8-10, Folium Pterocaryae 19-22, gum arabic 1-3, auxiliary agent 3-6, suitable quantity of water, described auxiliary agent is made up of following raw materials in part by weight: volcanic ash 6-9, Sodium sulfate anhydrous.min(99) 2-5, magnesium chloride 3-5, magnesium oxide 2-4, polyvinyl alcohol 0.2-0.5, Starso 0.03-0.07, sodium aluminate 0.05-0.6, tartrate 0.8-2.1, organosilicon crylic acid latex 2.1-4.3, 2-imidazolidone 0.04-0.09, silicon carbide 1-3, accelerant CZ 0.03-0.05, Syzygium aromaticum stem oil 1.2-3.2, its preparation method to stir adding magnesium oxide powder in 50% magnesium chloride solution to obtain inorganic gel agent, then other leftover materials are pulverized mixing, add suitable quantity of water and stir 30-40 minute pulping, granulation, balling-up particle diameter is at 2-5mm, dry and get final product.

2. the making method of a kind of Environment-friendlylight light partition board utilizing waste coal ash to produce according to claim 1, is characterized in that comprising the following steps:

(1) send in charring furnace by Folium Pterocaryae, at 503-635 DEG C, charing process 3-4 hour, takes out, is ground into powder, and the powder to gained makes it seethe spray form gum arabic under condition in air blast, then adds hydroxypropyl methyl cellulose ether and stir and make it mixing;

(2) get the hydrochloric acid soln that geopolymer puts into 8-12% and soak 4-5 hour, filter and take out, use clear water repetitive scrubbing, dry, be added to the water, meanwhile, add urea, river sand, grinding obtains slurry;

(3) kaolin, flyash are calcined at 600-848 DEG C after 3-6 hour and take out, pulverize, add calcium lignin sulphonate, caoxalate stirs 3-6 minute;

(4) step (1), (2), (3) reaction mass and other leftover materials are pulverized add suitable quantity of water stirring and evenly mixing and obtain slip, obtained slurry is added wall slab squeezing former is shaping, cutting, natural curing, to obtain final product.