CN104230285A - Unfired hollow brick and preparation method thereof - Google Patents

Abstract

The invention discloses an unfired hollow brick which is prepared from the following raw materials in parts by weight: 40-50 parts of phosphogypsum, 20-30 parts of fly ash, 1-5 parts of quicklime, 40-50 parts of sludge generated by sewage treatment plants, 5-8 parts of tile residue, 12-15 parts of Portland cement clinker, 5-8 parts of calcite powder, 4-6 parts of antimonial dross, 8-10 parts of self-made concrete, 2-3 parts of glycerol, 0.1-0.2 part of cetyl trimethylammonium bromide, 1-2 parts of sodium acetate, 2-5 parts of sodium thiosulfate, 1-2 parts of fatty alcohol polyethenoxy ether sodium sulfate, 0.2-0.4 part of amine azodicarbonate, 0.3-0.5 part of carboxymethyl cellulose and a proper amount of water. The hollow brick has the characteristics of high strength, favorable freezing resistance and the like, can insulate heat and sound and resist moisture, can recycle industrial tailings, does not need sintering, saves the energy, utilizes the residues and wastes, can substitute for the solid clay brick with the defects of high energy consumption, field destroying and severe pollution, and can be used in various construction projects.

Description

A kind of non-calcine hollow brick and preparation method thereof

Technical field

The present invention relates to building material field, specifically belong to a kind of non-calcine hollow brick and preparation method thereof.

Background technology

Traditional hollow brick is with clay, shale etc. for main raw material, makes, light weight, intensity is high, insulation, sound insulation and noise reduction performance be good through Feedstock treating, shaping, sintering.

Along with the development of construction industry, day by day increase the demand of hollow brick, manufacture the waste of conventional hollow brick and will waste the resources such as a large amount of clays, cost is high, contaminate environment when firing.The new raw material of research hollow brick, novel process become the developing direction of hollow brick manufacturer.

Summary of the invention

The object of the present invention is to provide a kind of non-calcine hollow brick and preparation method thereof, it is high that the hollow brick that the present invention obtains has intensity, and frost resistance is good, need not sinter, save energy, utilizes waste residue, waste material, save production cost.

Technical scheme of the present invention is as follows:

A kind of non-calcine hollow brick, it is characterized in that, it is made up of the component raw material of following weight part: phosphogypsum 40-50, flyash 20-30, unslaked lime 1-5, the mud 40-50 that sewage work produces, watt slag 5-8, Portland clinker 12-15, calcite in powder 5-8, antimony slag 4-6, self-control concrete eight-10, glycerol 2-3, cetyl trimethylammonium bromide 0.1-0.2, sodium-acetate 1-2, Sulfothiorine 2-5, polyoxyethylenated alcohol sodium sulfate 1-2, Azodicarbonamide 0.2-0.4, carboxymethyl cellulose 0.3-0.5, appropriate water

Described self-control concrete is prepared from by following method: (1), take building waste 40-50, aluminium sulfate slag 10-15, volcanic ash 12-15, zeolite powder 2-3, flyash 3-4, agricultural residues powder 10-12, sawdust 10-12, aluminium scrap powder 1-2, tungsten powder 4-6, magnesium oxide 2-4, rosin saponification ester 1-3, acetic acid 10-15, urea 5-8, glycidyl methacrylate 1-2, methacrylic ester 1-2, quadrol 1-5, oleum lini 0.2-0.4 by weight; (2), the construction waste crushing that will take, then put into the nano silicon hydro-colloid immersion treatment 6-8 days that concentration is 20-30%, pull out, obtain A material; (3), join in stirring tank by magnesium oxide, tungsten powder, rosin saponification ester, acetic acid, urea, glycidyl methacrylate, methacrylic ester, quadrol, oleum lini, under normal temperature, mixing fully stirs 10-15 minute, obtains B material; (4) A is expected, B expects mixing and the mixing of the rest materials in filling a prescription, add appropriate water again, be mixed into slurry, again aluminium scrap powder is added after fully stirring in slurry, add to stir and be shapingly machined to pellet, naturally after drying into raw material ball, then through 200-300 DEG C of roasting 1-2 hour, then powder is ground into.

The preparation method of described non-calcine hollow brick, is characterized in that, comprises the following steps:

(1), by mud, watt slag that phosphogypsum, flyash, unslaked lime, sewage work produce, after waiting raw material to be milled down to 120 ~ 200 orders, fully mix form slurry with the rest materials in formula in proportion, at 50-60 DEG C of temperature, leave standstill 20-30 minute;

(2) be injected into by slurry by the formation green compact that vibrate in forming mould, the demoulding after maintenance 10-12 hour, the demoulding obtain hole heart brick finished product at ambient pressure for natural curing 20-25 days.

The present invention compared with prior art tool has the following advantages:

It is high that the hollow brick that the present invention obtains has intensity, frost resistance is good, energy is heat insulation, the features such as sound insulation and protection against the tide, and the resource utilization of industrial tailings can be realized, need not sinter, save energy, utilize waste residue, waste material, it can replace consuming energy high and ruining the solid clay brick taking up an area severe contamination in field, and various construction work uses.

The folding strength of this hollow brick can reach more than 3.0Mpa, and ultimate compression strength is greater than 25.5mpa.

Embodiment

A kind of non-calcine hollow brick, be made up of the starting material of following weight (kg): the mud 46 that phosphogypsum 46, flyash 27, unslaked lime 3, sewage work produce, watt slag 6, Portland clinker 14, calcite in powder 7, antimony slag 5, self-control concrete 9, glycerol 2.5, cetyl trimethylammonium bromide 0.2, sodium-acetate 2, Sulfothiorine 3, polyoxyethylenated alcohol sodium sulfate 2, Azodicarbonamide 0.3, carboxymethyl cellulose 0.4, appropriate water

Wherein, self-control concrete is prepared from by following method: (1), by weight (kg) take building waste 45, aluminium sulfate slag 13, volcanic ash 14, zeolite powder 2.5, flyash 3.5, agricultural residues powder 11, sawdust 11, aluminium scrap powder 1.5, tungsten powder 5, magnesium oxide 3, rosin saponification ester 2, acetic acid 14, urea 7, glycidyl methacrylate 1, methacrylic ester 2, quadrol 4, oleum lini 0.3; (2), the construction waste crushing that will take, then put into the nano silicon hydro-colloid immersion treatment 7 days that concentration is 20-30%, pull out, obtain A material; (3), join in stirring tank by magnesium oxide, rosin saponification ester, acetic acid, urea, glycidyl methacrylate, methacrylic ester, quadrol, oleum lini, under normal temperature, mixing is fully stirred 13 minutes, obtains B material; (4) A is expected, B expects mixing and the mixing of the rest materials in filling a prescription, add appropriate water again, be mixed into slurry, again aluminium scrap powder is added after fully stirring in slurry, add to stir and be shapingly machined to pellet, naturally after drying into raw material ball, then through 250 DEG C of roastings 1 hour, then powder is ground into.

The preparation method of non-calcine hollow brick, comprises the following steps:

(1), by mud, watt slag that phosphogypsum, flyash, unslaked lime, sewage work produce, after waiting raw material to be milled down to 120-200 order, fully mix form slurry with the rest materials in formula in proportion, at 50-60 DEG C of temperature, leave standstill 20-30 minute;

(2) be injected into by slurry by the formation green compact that vibrate in forming mould, the demoulding after maintenance 10-12 hour, the demoulding obtain hole heart brick finished product at ambient pressure for natural curing 20-25 days.

The folding strength of this hollow brick can reach more than 3.0Mpa, and ultimate compression strength is greater than 25.5mpa.

Claims (2)

1. a non-calcine hollow brick, it is characterized in that, it is made up of the component raw material of following weight part: phosphogypsum 40-50, flyash 20-30, unslaked lime 1-5, the mud 40-50 that sewage work produces, watt slag 5-8, Portland clinker 12-15, calcite in powder 5-8, antimony slag 4-6, self-control concrete eight-10, glycerol 2-3, cetyl trimethylammonium bromide 0.1-0.2, sodium-acetate 1-2, Sulfothiorine 2-5, polyoxyethylenated alcohol sodium sulfate 1-2, Azodicarbonamide 0.2-0.4, carboxymethyl cellulose 0.3-0.5, appropriate water

Described self-control concrete is prepared from by following method: (1), take building waste 40-50, aluminium sulfate slag 10-15, volcanic ash 12-15, zeolite powder 2-3, flyash 3-4, agricultural residues powder 10-12, sawdust 10-12, aluminium scrap powder 1-2, tungsten powder 4-6, magnesium oxide 2-4, rosin saponification ester 1-3, acetic acid 10-15, urea 5-8, glycidyl methacrylate 1-2, methacrylic ester 1-2, quadrol 1-5, oleum lini 0.2-0.4 by weight; (2), the construction waste crushing that will take, then put into the nano silicon hydro-colloid immersion treatment 6-8 days that concentration is 20-30%, pull out, obtain A material; (3), join in stirring tank by magnesium oxide, tungsten powder, rosin saponification ester, acetic acid, urea, glycidyl methacrylate, methacrylic ester, quadrol, oleum lini, under normal temperature, mixing fully stirs 10-15 minute, obtains B material; (4) A is expected, B expects mixing and the mixing of the rest materials in filling a prescription, add appropriate water again, be mixed into slurry, again aluminium scrap powder is added after fully stirring in slurry, add to stir and be shapingly machined to pellet, naturally after drying into raw material ball, then through 200-300 DEG C of roasting 1-2 hour, then powder is ground into.

2. the preparation method of non-calcine hollow brick as claimed in claim 1, is characterized in that, comprise the following steps:

(1), by mud, watt slag that phosphogypsum, flyash, unslaked lime, sewage work produce, after waiting raw material to be milled down to 120-200 order, fully mix form slurry with the rest materials in formula in proportion, at 50-60 DEG C of temperature, leave standstill 20-30 minute;

(2) be injected into by slurry by the formation green compact that vibrate in forming mould, the demoulding after maintenance 10-12 hour, the demoulding obtain hole heart brick finished product at ambient pressure for natural curing 20-25 days.