CN109626961A - A kind of preparation method of porous heat preserving ceramic - Google Patents

A kind of preparation method of porous heat preserving ceramic Download PDF

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Publication number
CN109626961A
CN109626961A CN201910131516.2A CN201910131516A CN109626961A CN 109626961 A CN109626961 A CN 109626961A CN 201910131516 A CN201910131516 A CN 201910131516A CN 109626961 A CN109626961 A CN 109626961A
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parts
heat preserving
porous heat
ceramic
glaze
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苏端峰
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Fujian Province Dehua County Fusheng Ceramic Co
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Fujian Province Dehua County Fusheng Ceramic Co
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Abstract

The present invention relates to ceramic fabrication technique field, it is specifically related to a kind of porous heat preserving ceramic and method.This kind introduces the porous heat preserving ceramic of alumina tailing base, including porous heat preserving ceramic green body and glaze；Wherein green body is made of alumina tailing, dolomite, kaolin, pyrophillite, zinc oxide, graphite；Glaze is made of quartz, lime stone, borax, potassium feldspar, talcum, kaolin, calcium carbonate.The porous heat preserving ceramic and method of above-mentioned introducing alumina tailing base, realize the comprehensive utilization to alumina tailing, the ceramic body fired has hole, and good heat insulating, light-weight, density is lower, seals glaze to billet surface by glaze, raw material and ceramic body compatibility in glaze is good, glaze is smooth, glossiness is high, this kind introduces the heat preserving ceramic once-firing of alumina tailing, energy conservation and environmental protection, to reducing environmental pollution, develop a circular economy significant.

Description

A kind of preparation method of porous heat preserving ceramic
Technical field
The present invention relates to ceramic fabrication technique field, it is specifically related to a kind of porous heat preserving ceramic and preparation method.
Background technique
Aluminum i ndustry is resource, fund, technology-intensive raw material industry, because to generate a large amount of tailing in production process, Influence to environment is very big, and bauxite is as non-renewable resources, and degree of protection directly restricts an area oxidation The total amount of aluminum i ndustry and life cycle.With the industrialization production of " Liquor of Ore Dressing Bayer process produces aluminium oxide new process ", it is effectively reduced Alumina production cost, it is shown that more and more significant technical advantage.But since Liquor of Ore Dressing Bayer process produces aluminium oxide work Skill wants output to account for the tailing that selects of about 20% weight of raw ore in ore dressing process, how to carry out comprehensive development and utilization to alumina tailing, With great economy, environment protection significance.
To solve the above problems, Chinese invention patent application number provided for CN200910236343.7 it is a kind of using alumina The method that mine selects tailing to prepare copy stone floor tile, step include: mineral processing tailing of bauxite is calcined, grinding activation；It will forge The powder that burning, grinding activate is mixed with blast furnace slag, flyash, prepares gelling powder；Will gelling powder and aggregate (cinder and Sand) mixing, chemical activator and water is added, after mixing evenly compression moulding or concussion molding, is demoulded after band mould moisture-keeping maintaining, After adobe carries out steam curing, copy stone floor tile product is obtained.This kind of method provides a kind of use for the processing of alumina tailing How direction promotes the diversity of the processing of alumina tailing, and alumina tailing is made to carry out comprehensive development and utilization, increase economic efficiency, With great economy, environment protection significance.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of porous heat preserving ceramic and methods.
To achieve the above object, special the present invention provides a kind of porous heat preserving ceramic for introducing alumina tailing base Sign is, including porous heat preserving ceramic green body and glaze；The weight of porous heat preserving ceramic green body is as follows: alumina tailing 30- 40 parts, 20-30 parts of dolomite, kaolin 10-20,10-15 parts of pyrophillite, 5-10 parts of zinc oxide, 1-5 parts of graphite；Glaze Parts by weight it is as follows: 30-40 parts quartzy, lime stone 20-30,10-15 parts of borax, 10-15 parts of potassium feldspar, talcum 5- 10 parts, kaolin 1-5,1-5 parts of calcium carbonate.
Optimization, the weight of porous heat preserving ceramic green body is as follows: 33 parts of alumina tailing, 29 parts of dolomite, kaolin 12, 13 parts of pyrophillite, 11 parts of zinc oxide, 3 parts of graphite.
Optimization, the parts by weight of porous heat preserving ceramic glaze are as follows: quartzy 38 parts, lime stone 26,13 parts of borax, potassium 12 parts of feldspar, 6 parts of talcum, kaolin 3,2 parts of calcium carbonate.
Optimization, the weight of porous heat preserving ceramic green body is as follows: 38 parts of alumina tailing, 22 parts of dolomite, kaolin 15, 15 parts of pyrophillite, 9 parts of zinc oxide, 1 part of graphite.
Optimization, the parts by weight of porous heat preserving ceramic glaze are as follows: quartzy 35 parts, lime stone 23,11 parts of borax, potassium 15 parts of feldspar, 10 parts of talcum, kaolin 1,5 parts of calcium carbonate.
Optimization, the weight of porous heat preserving ceramic green body is as follows: 36 parts of alumina tailing, 25 parts of dolomite, kaolin 17, 11 parts of pyrophillite, 6 parts of zinc oxide, 5 parts of graphite.
Optimization, the parts by weight of porous heat preserving ceramic glaze are as follows: quartzy 32 parts, lime stone 29,15 parts of borax, potassium 11 parts of feldspar, 8 parts of talcum, kaolin 4,1 part of calcium carbonate.
A method of the porous heat preserving ceramic introducing alumina tailing base is prepared porous described in above-mentioned any one Gap heat preserving ceramic, the specific steps are as follows:
Step 1, batch weighing carries out ingredient, broken, removal of impurities by the raw material of porous heat preserving ceramic green body；
Step 2, the raw material after weighing is put into mixing and ball milling in ball mill by wet ball mill, is crossed 200 mesh or more and is sieved, is starched Material；
Step 3, aging, the aging acquisition light ceramics pug of the slurry that step 2 is obtained；
Step 4, enamel frit makeing, by the composition of raw materials enamel frit makeing of glaze；
Step 5, it forms, ceramic body is made in the pug that step 3 is obtained；
Step 6, glazing, in the glazing of ceramic body surface；
Step 7, it is burnt into, ceramic body is put into kiln, is formed by a firing, porous heat preserving ceramic is obtained.
Further, in step 2, the ratio of pellet water is 1:0.5-0.8:0.5.
Further, kiln keeps the temperature 60-80 minutes after 30-50 minutes rise to 600 DEG C in step 7, and kiln is after of continuing rising Warm 10-20 minutes rises to 800 DEG C, and kiln continues heating and rises within 20-30 minutes 1000-1100 DEG C of firing, keeps the temperature 100-120 Natural cooling after minute, obtains porous heat preserving ceramic.
By the above-mentioned description of this invention it is found that the porous heat preserving ceramic provided by the invention for introducing alumina tailing base And method, raw material of the alumina tailing as ceramic body is introduced, the comprehensive utilization to alumina tailing is realized, passes through the proportion of raw material And the control of firing process, the ceramic body fired have hole, good heat insulating, light-weight, density is lower, by porous Gap heat preserving ceramic glaze seals glaze to billet surface, and the raw material and ceramic body compatibility in glaze are good, and glaze is smooth, glossiness Height, this kind introduce the heat preserving ceramic once-firing of alumina tailing, and energy conservation and environmental protection, to reducing environmental pollution, developing a circular economy has Significance.
Specific embodiment
Below by way of specific embodiment, the invention will be further described.
The present invention provides a kind of porous heat preserving ceramics for introducing alumina tailing base, including porous heat preserving ceramic base Body and glaze；The weight of porous heat preserving ceramic green body is as follows: 30-40 parts of alumina tailing, 20-30 parts of dolomite, kaolin 10-20,10-15 parts of pyrophillite, 5-10 parts of zinc oxide, 1-5 parts of graphite；The parts by weight of glaze are as follows: quartzy 30-40 Part, lime stone 20-30,10-15 parts of borax, 10-15 parts of potassium feldspar, 5-10 parts of talcum, kaolin 1-5, calcium carbonate 1-5 Part.
Specific embodiment one:
A kind of porous heat preserving ceramic introducing alumina tailing base, the weight of porous heat preserving ceramic green body are as follows: aluminium 33 parts of native tailing, 29 parts of dolomite, kaolin 12,13 parts of pyrophillite, 11 parts of zinc oxide, 3 parts of graphite；The parts by weight of glaze are such as Under: quartzy 38 parts, lime stone 26,13 parts of borax, 12 parts of potassium feldspar, 6 parts of talcum, kaolin 3,2 parts of calcium carbonate.
Specific embodiment two:
A kind of porous heat preserving ceramic introducing alumina tailing base, the weight of porous heat preserving ceramic green body are as follows: more The weight of hole heat preserving ceramic green body is as follows: 38 parts of alumina tailing, 22 parts of dolomite, kaolin 15,15 parts of pyrophillite, zinc oxide 9 parts, 1 part of graphite；The parts by weight of glaze are as follows: quartzy 35 parts, lime stone 23,11 parts of borax, 15 parts of potassium feldspar, talcum 10 Part, kaolin 1,5 parts of calcium carbonate.
Specific embodiment three:
A kind of porous heat preserving ceramic introducing alumina tailing base, the weight of porous heat preserving ceramic green body are as follows: aluminium 36 parts of native tailing, 25 parts of dolomite, kaolin 17,11 parts of pyrophillite, 6 parts of zinc oxide, 5 parts of graphite；The parts by weight of glaze are such as Under: quartzy 32 parts, lime stone 29,15 parts of borax, 11 parts of potassium feldspar, 8 parts of talcum, kaolin 4,1 part of calcium carbonate.
The method for introducing the porous heat preserving ceramic of alumina tailing base prepares the more of above-mentioned introducing alumina tailing base Hole heat preserving ceramic, the specific steps are as follows:
Step 1, batch weighing carries out ingredient, broken, removal of impurities by the raw material of porous heat preserving ceramic green body；
Step 2, the raw material after weighing is put into mixing and ball milling in ball mill by wet ball mill, is crossed 200 mesh or more and is sieved, is starched Material, wherein the ratio of pellet water is 1:0.5-0.8:0.5；
Step 3, aging, the aging acquisition light ceramics pug of the slurry that step 2 is obtained；
Step 4, enamel frit makeing, by the composition of raw materials enamel frit makeing of glaze；
Step 5, it forms, ceramic body is made in the pug that step 3 is obtained；
Step 6, glazing, in the glazing of ceramic body surface；
Step 7, it is burnt into, ceramic body is put into kiln, is formed by a firing, obtain porous heat preserving ceramic, kiln warp 60-80 minutes are kept the temperature after rising to 600 DEG C within 30-50 minutes, kiln continues heating and rises within 10-20 minutes 800 DEG C, and kiln continues Heating rises to 1000-1100 DEG C of firing for 20-30 minutes, and natural cooling after heat preservation 100-120 minutes obtains porous heat preservation Ceramics.
Above-mentioned porous heat preserving ceramic introduces raw material of the alumina tailing as ceramic body, realizes the synthesis to alumina tailing It utilizes, by the control with when firing process of raw material, the ceramic body fired has hole, good heat insulating, weight Gently, density is lower, seals glaze to billet surface by glaze, and the raw material and ceramic body compatibility in glaze are good, and glaze is smooth, light Ze Dugao, this kind introduce the heat preserving ceramic once-firing of alumina tailing, and energy conservation and environmental protection, to reducing environmental pollution, development circulation is passed through It helps significant.
It above are only the specific embodiment of the present invention, but the design concept of the present invention is not limited to this, all benefits It is made a non-material change to the present invention, should all be belonged to behavior that violates the scope of protection of the present invention with this design.

Claims (3)

1. a kind of preparation method of porous heat preserving ceramic, porous heat preserving ceramic, the specific steps are as follows:
Step 1, batch weighing carries out ingredient, broken, removal of impurities, porous heat preservation pottery by the raw material of porous heat preserving ceramic green body The weight of porcelain billet body is as follows: 30-40 parts of alumina tailing, 20-30 parts of dolomite, 10-20 parts of kaolin, pyrophillite 10-15 Part, 5-10 parts of zinc oxide, 1-5 parts of graphite；
Step 2, the raw material after weighing is put into mixing and ball milling in ball mill by wet ball mill, is crossed 200 mesh or more and is sieved, obtains slurry；
Step 3, aging, the aging acquisition light ceramics pug of the slurry that step 2 is obtained；
Step 4, enamel frit makeing, by the composition of raw materials enamel frit makeing of glaze, the parts by weight of porous heat preserving ceramic glaze are as follows: quartzy 30- 40 parts, lime stone 20-30,10-15 parts of borax, 10-15 parts of potassium feldspar, 5-10 parts of talcum, 1-5 parts of kaolin, calcium carbonate 1-5 parts；
Step 5, it forms, ceramic body is made in the pug that step 3 is obtained；
Step 6, glazing, in the glazing of ceramic body surface；
Step 7, it is burnt into, ceramic body is put into kiln, is formed by a firing, porous heat preserving ceramic is obtained.
2. a kind of preparation method of porous heat preserving ceramic according to claim 1, it is characterised in that: in the step 2, The ratio of pellet water is 1:0.5-0.8:0.5.
3. a kind of preparation method of porous heat preserving ceramic according to claim 1 or 2, it is characterised in that: kiln in step 7 Furnace keeps the temperature 60-80 minutes after 30-50 minutes rise to 600 DEG C, and kiln continues heating and rises to 800 DEG C in 10-20 minutes, kiln Continue heating and rise within 20-30 minutes 1000-1100 DEG C of firing, natural cooling after heat preservation 100-120 minutes obtains porous Heat preserving ceramic.
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