CN103951390A - Corrosion-resistant ceramic tile and preparation method thereof - Google Patents

Abstract

The invention discloses a corrosion-resistant ceramic tile and a preparation method thereof. The corrosion-resistant ceramic tile is prepared from the following raw materials by weight: 36-48 parts of barite, 27-39 parts of limestone, 15-25 parts of vermiculite, 12-24 parts of weathered sand, 14-20 parts of calcined potter clay, 5-10 parts of waste mortar, 10-20 parts of spinel, 8-16 parts of gold ore tailings, 11-23 parts of opal, 6-13 parts of slaked lime, 9-18 parts of nanometer boron nitride, 4-8 parts of calcium silicate, 22-34 parts of modified clay, and 2-4 parts of sodium carbonate. The ceramic tile of the invention has excellent chemical corrosion resistance, can resist long-term and repeated erosion caused by household chemical reagents, chemical articles, and acid-base salts such as swimming pool salts and the like, has maintained surface gloss, is high in strength, low in water absorption and good in weatherability, has greatly increased service life, is widely applicable to walls and floors of living rooms, bathrooms, kitchens, balconies, and the like, and has wide market prospects.

Description

A kind of corrosion-resistant ceramic brick and preparation method thereof

Technical field

The present invention relates to a kind of corrosion-resistant ceramic brick and preparation method thereof, belong to building ceramics field.

Background technology

Ceramic tile is by clay, quartz sand and other inorganic non-metallic raw materials, through the tabular or block ceramic of the explained hereafter such as batching, ball milling, powder process, moulding, sintering, is widely used in decorating and metope and the ground of protecting buildings, structures.Along with developing rapidly of real estate, the production and consumption of ceramic tile is all got a larger development.Ceramic tile erosion resistance is in the market poor, and after the corrosivess such as contact acid alkali salt, top layer is easily corroded, and causes ceramic tile surface to tarnish, and forms the unglazed erosional surface of surface irregularity, affects attractive in appearance.

Summary of the invention

The object of the invention is to for the deficiencies in the prior art, a kind of corrosion-resistant ceramic brick and preparation method thereof is provided, improve the corrosion of the chemical substances such as ceramic tile acid-and base-resisting, salt.

For achieving the above object, the technical solution used in the present invention is as follows:

A corrosion-resistant ceramic brick, is made by the raw material of following weight part: barite 36-48, Wingdale 27-39, vermiculite 15-25, Weathered Sand 12-24, calcinated argil 14-20, waste mortar 5-10, spinel 10-20, gold tailing 8-16, opal 11-23, white lime 6-13, nm-class boron nitride 9-18, Calucium Silicate powder 4-8, modified clay 22-34, sodium carbonate 2-4;

The preparation method of described modified clay is as follows: a, 3-6:2-4:1-2 takes attapulgite, diatomite, wilkinite in mass ratio, mix, add appropriate water to make the clay slurry that concentration is 30-40%, then the sulphuric acid soln that is 15-25% by concentration regulates slurries PH to 3-5, heating in water bath is to 85-95 ℃, stir 2-4h, filter, be washed with distilled water to neutrality, dry, 440-480 ℃ of calcining 2-3h, pulverizes, and crosses 200-300 mesh sieve; B, the clay of getting above-mentioned processing by weight 1:2-3 are that 1.5-3mol/L titanium tetrachloride aqueous solution mixes with concentration, then the jade powder, the copper sulfate of 2-3%, the APTES of the dodecyl benzyl dimethyl ammonium chloride of 1-2%, 0.5-1% that add 2-3%, ultrasonic dispersion in 30-50 ℃ of water bath with thermostatic control, carry out mechanical stirring simultaneously, reaction 1-2h, then the ammoniacal liquor that is 5-10% by concentration regulates PH to 4-6, stir 1-2h, filter, clean with distilled water wash, dry, 620-660 ℃ of calcining 1-2h, is cooled to room temperature.

The preparation method of corrosion-resistant ceramic brick of the present invention, comprises the following steps:

(1) get barite, Wingdale, vermiculite, Weathered Sand and mix, pulverize, wet ball grinding 8-10h, carries out melting after oven dry, after it melts completely, after stirring 4-6min, carry out rapid water and quench, obtain broken particle, wet ball grinding 4-7h, dry, cross 150-200 mesh sieve, stand-by;

(2) get calcinated argil, waste mortar, spinel, gold tailing, opal and mix, pulverize, wet ball grinding 5-8h, crosses 150-200 mesh sieve, and standing 6-12h, is spray dried to the particle that water content is 4-5%, stand-by;

(3) powder above-mentioned steps (1) being made with step (2) adds and in mixer, mixes 4-8min, then adds remaining raw material mixing 3-6min, the water glass mixing 20-30min that the solid content that then adds compound weight 2-4% is 35%, standing 5-10h;

(4) powder step (3) being mixed is delivered to forming machine compression moulding under 75-85MPa, then the adobe suppressing is delivered to and in dry kiln, is dried to the dry body that water content is 2-3%;

(5) dry body is warming up to 720-760 ℃ with the speed of 5-10 ℃/min, insulation 0.5-1.5h, then be warming up to 1260-1320 ℃ with the speed of 10-15 ℃/min, insulation 1-2h, is cooled to normal temperature, through edging, packing, gets product.

Above-mentioned modified clay adopts the collaborative coated by titanium dioxide clay of the materials such as jade powder, copper sulfate, not only the unwanted bacterias such as intestinal bacteria, staphylococcus aureus are had to biocidal efficacies, simultaneously PARA FORMALDEHYDE PRILLS(91,95), benzene, ammonia, sulfurous gas, carbon monoxide, oxynitride, TVOC etc. affect the harmful organic substance of human body health and cigarette is smelly, lavatory is smelly, rubbish is smelly, animal is smelly etc. plays deodourizing effect, can also improve the performance such as resistance of aging, weathering resistance, uvioresistant, scrubbing resistance of ceramic tile, the color gloss that keeps ceramic tile, the usage period of prolongation ceramic tile.

Beneficial effect of the present invention:

Ceramic tile of the present invention has excellent resistance to chemical corrosion, can resist for a long time repeatedly corroding of the acid-alkali salts such as family's chemical reagent, chemical products and swimming pool salt, the gloss that keeps ceramic tile surface, and intensity is high, water-intake rate is low, and good weatherability has improved the work-ing life of ceramic tile greatly, can be widely used between parlor, bathroom, metope and the ground in kitchen, balcony etc., market outlook are wide.

Embodiment

A corrosion-resistant ceramic brick, is made by the raw material of following weight (kg): barite 42, Wingdale 33, vermiculite 21, Weathered Sand 18, calcinated argil 16, waste mortar 8, spinel 15, gold tailing 12, opal 16, white lime 11, nm-class boron nitride 12, Calucium Silicate powder 6, modified clay 30, sodium carbonate 3;

The preparation method of described modified clay is as follows: a, 4:3:2 takes attapulgite, diatomite, wilkinite in mass ratio, mix, adding appropriate water to make concentration is 30% clay slurry, then the sulphuric acid soln that is 15-25% by concentration regulates slurries PH to 4, heating in water bath to 90 ℃, stir 3h, filter, be washed with distilled water to neutrality, dry, 450 ℃ of calcining 3h, pulverize, and cross 250 mesh sieves; B, the clay of getting above-mentioned processing by weight 1:3 are that 2.5mol/L titanium tetrachloride aqueous solution mixes with concentration, then add and be equivalent to the jade powder of mixture total weight 2.5%, 2% copper sulfate, 1.5% dodecyl benzyl dimethyl ammonium chloride, 0.6% APTES, ultrasonic dispersion in 40 ℃ of waters bath with thermostatic control, carry out mechanical stirring simultaneously, reaction 1.5h, then the ammoniacal liquor that is 7% by concentration regulates PH to 5, stir 1.5h, filter, clean with distilled water wash, dry, 640 ℃ of calcining 2h, are cooled to room temperature.

The preparation method of corrosion-resistant ceramic brick, comprises the following steps:

(1) get barite, Wingdale, vermiculite, Weathered Sand and mix, pulverize, wet ball grinding 8h, carries out melting after oven dry, after it melts completely, after stirring 5min, carry out rapid water and quench, obtain broken particle, wet ball grinding 6h, dry, cross 200 mesh sieves, stand-by;

(2) get calcinated argil, waste mortar, spinel, gold tailing, opal and mix, pulverize, wet ball grinding 6h, crosses 150 mesh sieves, and standing 8h is spray dried to water content and is 4% particle, stand-by;

(3) powder above-mentioned steps (1) being made with step (2) adds and in mixer, mixes 6min, then adds remaining raw material mixing 4min, the water glass mixing 25min that the solid content that then adds compound weight 3% is 35%, standing 8h;

(4) powder step (3) being mixed is delivered to forming machine compression moulding under 80MPa, and then the adobe suppressing being delivered to and in dry kiln, being dried to water content is 2.5% dry body;

(5) dry body is warming up to 740 ℃ with the speed of 8 ℃/min, insulation 1h, then be warming up to 1280 ℃ with the speed of 12 ℃/min, insulation 2h, is cooled to normal temperature, through edging, packing, gets product.

The ceramic tile of producing, its water-intake rate is 6.9%, folding strength is 16.7MPa, through experimental test, adopt successively 20% sodium chloride solution, 15% hydrochloric acid soln, 20% sodium hydroxide solution to contact after 24 hours with sample, that organize in the transverse section of visible the present invention pottery dress is fine and closely woven, color and luster is consistent, does not have the vestige being corroded.

Claims (2)

1. a corrosion-resistant ceramic brick, it is characterized in that, by the raw material of following weight part, made: barite 36-48, Wingdale 27-39, vermiculite 15-25, Weathered Sand 12-24, calcinated argil 14-20, waste mortar 5-10, spinel 10-20, gold tailing 8-16, opal 11-23, white lime 6-13, nm-class boron nitride 9-18, Calucium Silicate powder 4-8, modified clay 22-34, sodium carbonate 2-4;

The preparation method of described modified clay is as follows: a, 3-6:2-4:1-2 takes attapulgite, diatomite, wilkinite in mass ratio, mix, add appropriate water to make the clay slurry that concentration is 30-40%, then the sulphuric acid soln that is 15-25% by concentration regulates slurries PH to 3-5, heating in water bath is to 85-95 ℃, stir 2-4h, filter, be washed with distilled water to neutrality, dry, 440-480 ℃ of calcining 2-3h, pulverizes, and crosses 200-300 mesh sieve; B, the clay of getting above-mentioned processing by weight 1:2-3 are that 1.5-3mol/L titanium tetrachloride aqueous solution mixes with concentration, then the jade powder, the copper sulfate of 2-3%, the APTES of the dodecyl benzyl dimethyl ammonium chloride of 1-2%, 0.5-1% that add 2-3%, ultrasonic dispersion in 30-50 ℃ of water bath with thermostatic control, carry out mechanical stirring simultaneously, reaction 1-2h, then the ammoniacal liquor that is 5-10% by concentration regulates PH to 4-6, stir 1-2h, filter, clean with distilled water wash, dry, 620-660 ℃ of calcining 1-2h, is cooled to room temperature.

2. the preparation method of corrosion-resistant ceramic brick as claimed in claim 1, is characterized in that comprising the following steps:

(1) get barite, Wingdale, vermiculite, Weathered Sand and mix, pulverize, wet ball grinding 8-10h, carries out melting after oven dry, after it melts completely, after stirring 4-6min, carry out rapid water and quench, obtain broken particle, wet ball grinding 4-7h, dry, cross 150-200 mesh sieve, stand-by;

(2) get calcinated argil, waste mortar, spinel, gold tailing, opal and mix, pulverize, wet ball grinding 5-8h, crosses 150-200 mesh sieve, and standing 6-12h, is spray dried to the particle that water content is 4-5%, stand-by;

(3) powder above-mentioned steps (1) being made with step (2) adds and in mixer, mixes 4-8min, then adds remaining raw material mixing 3-6min, the water glass mixing 20-30min that the solid content that then adds compound weight 2-4% is 35%, standing 5-10h;

(4) powder step (3) being mixed is delivered to forming machine compression moulding under 75-85MPa, then the adobe suppressing is delivered to and in dry kiln, is dried to the dry body that water content is 2-3%;

(5) dry body is warming up to 720-760 ℃ with the speed of 5-10 ℃/min, insulation 0.5-1.5h, then be warming up to 1260-1320 ℃ with the speed of 10-15 ℃/min, insulation 1-2h, is cooled to normal temperature, through edging, packing, gets product.