CN103739274B - Method for producing ceramic insulation board by tailings of lead zinc ore - Google Patents
Method for producing ceramic insulation board by tailings of lead zinc ore Download PDFInfo
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- CN103739274B CN103739274B CN201310754417.2A CN201310754417A CN103739274B CN 103739274 B CN103739274 B CN 103739274B CN 201310754417 A CN201310754417 A CN 201310754417A CN 103739274 B CN103739274 B CN 103739274B
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Abstract
The invention discloses a method for producing a ceramic insulation board by tailings of lead zinc ore. The method is characterized by comprising the following steps of mixing dolomite, calcium carbonate and silicon carbide, then adding dispergator, wet milling the mixture by a ball mill, sieving by a 250-mesh sieve, removing iron, then preparing into pore-forming agent; uniformly mixing tailings of the lead zinc ore, kaolin and flux type raw material feldspar or talc so as to prepare into base material; mixing the base material with the pore-forming agent, then sequentially wet milling by the ball mill, spray drying, ageing, distributing material, firing into the product in a roller kiln. The method has the beneficial effects that a streamlined production technology is adopted, the production process of the product is easy to control, and the product percent of pass is high; the ceramic product prepared by the method has small volume density and low heat conductivity coefficient, is beneficial to reducing load bearing of buildings, and has good fireproofing effect; after post-treatment, the product can meet climate condition requirements of different areas and has wide application field.
Description
Technical field
The present invention relates to a kind of production method of ceramic thermal insulation plate, be specifically related to a kind of method utilizing lead-zinc ore tailings to produce ceramic thermal insulation plate, belong to the crossing domain of industrial solid castoff utilization and exterior-wall heat insulation.
Background technology
Lead-zinc ore tailings main processing ways is stacking, landfill and comprehensive utilization, and wherein stacking or landfill both occupied arable land, polluted environment again.Therefore the comprehensive utilization of industrial solid wastes is met to the demand of building a conservation-minded society.
On the other hand, the fire that organic insulation material brings out in the existing building heat insulation system of China happens occasionally in China, the fire causing extreme loss organic insulation material to bring out to people's life and property happens occasionally in China, causes extreme loss to people's life and property.
Therefore lead-zinc ore tailings is utilized to develop a kind of ceramic thermal insulation plate very necessary for external wall heat insulation system.
Patent CN101182232A discloses a kind of method utilizing tile polished waste to produce light-weight ceramic tile, and light cinder brick is by tile polished waste, the useless mixing such as powder, toughener, suppresses, burns till after mist projection granulating.But the product that this production method is produced, owing to employing a large amount of tile polished wastes, do not having the area of tile polished waste not carry out large-scale production, and product has to pass through the cold work such as later stage edging.
Patent CN01108123 discloses a kind of light foamed ceramic decorative tile and manufacture method thereof, and decorative block is that wherein ceramic batch and whipping agent form the fine powder basestocks of decorative block by the burned material of all mixed thing stampings of ceramic batch, whipping agent, frame material.The product cost that this method is produced is higher, and production process is wayward.
Patent CN103253961A discloses one and utilizes foamed ceramic material and preparation method thereof, and foam material is by Pb-Zn tailings 45-70%, tile polished waste 28-52%, the burned material that whipping agent 0.5-3% forms.This production method is equally owing to employing a large amount of tile polished wastes, and the area produced not having polished tile can not scale operation.
Summary of the invention
For solving the deficiencies in the prior art; the object of the present invention is to provide a kind of simple, easy; the method utilizes lead-zinc ore tailings to produce to have the method for the ceramic thermal insulation plate of the characteristic that density is little, thermal conductivity is low, even if also can carry out large-scale production not having the area of tile polished waste.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
Utilize lead-zinc ore tailings to produce a method for ceramic thermal insulation plate, it is characterized in that, comprise the following steps:
(1), pore former is prepared: rhombspar, calcium carbonate, silicon carbide are mixed, then in compound, add dispergator; Compound is stand-by after ball mill wet-milling, excessively 250 mesh sieves, deironing;
(2), basestocks is prepared: lead-zinc ore tailings, kaolin, fluxed raw material feldspar/talcum are mixed, stand-by;
(3), processing: after basestocks, pore former mixing, carry out the processing of following operation successively: ball mill wet-milling, spraying dry, old, cloth, roller kiln burn till product;
Or after the mixing of basestocks, pore former, to add water wet mixing, pugging through stirrer, twin rollers, make pug, old rear pug, by feeding machine feed, through de-airing extruder extrusion moulding, enters roller kiln burning after moisture eliminator drying and becomes product.
The method of aforesaid production ceramic thermal insulation plate, is characterized in that, in aforementioned pore former, the mass content of each component is:
Rhombspar 40-45%,
Calcium carbonate 45-50%,
Silicon carbide 10-15%.
The method of aforesaid production ceramic thermal insulation plate, is characterized in that, the 0.1%-0.5% that the addition of aforementioned dispergator is rhombspar, calcium carbonate, silicon carbide three mix rear gross weight.
The method of aforesaid production ceramic thermal insulation plate, is characterized in that, in aforementioned base material, the mass content of each component is:
Lead-zinc ore tailings 65-70%,
Kaolin 20-25%,
Fluxed raw material feldspar/talcum 10-15%.
The method of aforesaid production ceramic thermal insulation plate, is characterized in that, the proportioning of aforementioned base material and pore former is 3:1-3:2.
Usefulness of the present invention is: the production technique taking streamlined, and the production process of product easily controls, and conforming product rate is high; The product produced by the method, volume density is little, and thermal conductivity is low, is conducive to the load-bearing alleviating buildings, and owing to being ceramic product, therefore has good flameproof effect; After product processing postmenstruation, can meet the requirement of different areas weather condition, use range is extensive.
Embodiment
Below in conjunction with specific embodiment, concrete introduction is done to the present invention.
Embodiment 1
Pore former: rhombspar 40%(mass ratio, down together), calcium carbonate 50%, silicon carbide 10%, add dispergator after mixing, the addition of dispergator be rhombspar, calcium carbonate, silicon carbide three gross weight 0.5%, compound through ball mill wet-milling, cross 250 mesh sieves, deironing after stand-by.
Basestocks: lead-zinc ore tailings 65%, kaolin 20%, fluxed raw material feldspar 15%, mix, stand-by.
Processing: by basestocks, pore former according to 7:3(weight ratio) ratio mixing, through ball mill wet-milling, spraying dry, old after, cloth is the specification of 600mm × 600mm × 25mm, after drying, enter kiln powder water ratio < 0.1%, roller kiln burn till at 1200 DEG C.
After testing, the volume density < 0.35g/cm of goods
3, thermal conductivity is 0.09W/M.K, is a kind of excellent external wall ceramic thermal insulation plate.
Embodiment 2
Pore former: rhombspar 40%(mass ratio, down together), calcium carbonate 45%, silicon carbide 15%, add dispergator after mixing, the addition of dispergator be rhombspar, calcium carbonate, silicon carbide three gross weight 0.1%, compound through ball mill wet-milling, cross 250 mesh sieves, deironing after stand-by.
Basestocks: lead-zinc ore tailings 65%, kaolin 25%, fluxed raw material feldspar 10%, mix, stand-by.
Processing: by basestocks, pore former according to 3:2(weight ratio) ratio mixing, after ball mill wet-milling, spraying dry, be the specification of 600mm × 600mm × 25mm through press dry-pressing, after drying, enter kiln powder water ratio < 0.1%, roller kiln burn till at 1180 DEG C.
After testing, the volume density < 0.30g/cm of goods
3, thermal conductivity is 0.07W/M.K, is a kind of excellent external wall ceramic thermal insulation plate.
Embodiment 3
Pore former: rhombspar 45%(mass ratio, down together), calcium carbonate 45%, silicon carbide 10%, add dispergator after mixing, the addition of dispergator be rhombspar, calcium carbonate, silicon carbide three gross weight 0.3%, compound through ball mill wet-milling, cross 250 mesh sieves, deironing after stand-by.
Basestocks: lead-zinc ore tailings 70%, kaolin 20%, fluxed raw material feldspar 10%, mix, stand-by.
Processing: by basestocks, pore former according to 3:1(weight ratio) ratio mixing, to add water wet mixing, pugging through stirrer, twin rollers, make pug, old rear pug is by feeding machine feed, the mud plate that specification is 300mm × 300mm × 15mm is extruded through de-airing extruder, after drying, burn till in roller kiln, temperature is 1180 DEG C.
After testing, the volume density < 0.35g/cm of goods
3, thermal conductivity is 0.08W/M.K, and goods planeness is good, is a kind of excellent external wall ceramic thermal insulation plate.
As can be seen here, this invention takes the production technique of streamlined, the production process of product easily controls, and conforming product rate is high.
The product produced by the method, volume density is little, and thermal conductivity is low, is conducive to the load-bearing alleviating buildings, and owing to being ceramic product, therefore has good flameproof effect.
It should be noted that, above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (3)
1. utilize lead-zinc ore tailings to produce a method for ceramic thermal insulation plate, it is characterized in that, comprise the following steps:
(1), pore former is prepared: rhombspar, calcium carbonate, silicon carbide are mixed, then in compound, add dispergator, the addition of described dispergator is rhombspar, 0.1%-0.5% that calcium carbonate, silicon carbide three mix rear gross weight; Compound is stand-by after ball mill wet-milling, excessively 250 mesh sieves, deironing;
(2), basestocks is prepared: lead-zinc ore tailings, kaolin, fluxed raw material feldspar/talcum are mixed, stand-by;
(3), processing: by basestocks, pore former according to after the proportioning mixing of 3:1-3:2, carry out the processing of following operation successively: ball mill wet-milling, spraying dry, old, cloth, roller kiln burn till product;
Or after the mixing of basestocks, pore former, to add water wet mixing, pugging through stirrer, twin rollers, make pug, old rear pug, by feeding machine feed, through de-airing extruder extrusion moulding, enters roller kiln burning after moisture eliminator drying and becomes product.
2. the method for production ceramic thermal insulation plate according to claim 1, is characterized in that, in described pore former, the mass content of each component is:
Rhombspar 40-45%,
Calcium carbonate 45-50%,
Silicon carbide 10-15%.
3. the method for production ceramic thermal insulation plate according to claim 1, is characterized in that, in described basestocks, the mass content of each component is:
Lead-zinc ore tailings 65-70%,
Kaolin 20-25%,
Fluxed raw material feldspar/talcum 10-15%.
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| CN201310754417.2A CN103739274B (en) | 2013-12-31 | 2013-12-31 | Method for producing ceramic insulation board by tailings of lead zinc ore |
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| CN103739274B true CN103739274B (en) | 2015-04-22 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104446365A (en) * | 2014-10-14 | 2015-03-25 | 罗海军 | Water permeable brick |
| CN104529385A (en) * | 2014-12-27 | 2015-04-22 | 西部矿业股份有限公司 | Method for preparing porous heat preserving and flame retarding material from lead-zinc ore smelting slag |
| CN104609835A (en) * | 2015-01-29 | 2015-05-13 | 江苏金久科技新材料有限公司 | Production method for manufacturing hollow ceramic plate by utilizing polished ceramic waste residues |
| CN106747615A (en) * | 2017-03-09 | 2017-05-31 | 咸阳陶瓷研究设计院 | A kind of method that utilization molybdenum tailing produces ceramic thermal insulation plate |
| CN108947564A (en) * | 2018-09-25 | 2018-12-07 | 辽宁罕王绿色建材有限公司 | Add the production method that tourmaline generates the foamed ceramic lining of anion |
| CN110423096A (en) * | 2019-07-31 | 2019-11-08 | 湖北壁玉新材料科技有限公司 | Ceramic composite sheet material and the technique for producing the ceramic composite sheet material |
| CN114671701B (en) * | 2022-02-18 | 2023-06-16 | 佛山市陶本科技有限公司 | Manufacturing method of foamed ceramic board |
Citations (3)
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|---|---|---|---|---|
| CN86102146A (en) * | 1985-03-28 | 1986-10-01 | 水化学工业株式会社 | Foamed ceramic body and manufacture method thereof |
| CN102010221A (en) * | 2010-10-14 | 2011-04-13 | 咸阳陶瓷研究设计院 | Outer wall lightweight ceramic tile and production method thereof |
| CN103253961A (en) * | 2013-06-05 | 2013-08-21 | 江苏华东尾矿治理工程有限公司 | Foamed ceramic material and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102146A (en) * | 1985-03-28 | 1986-10-01 | 水化学工业株式会社 | Foamed ceramic body and manufacture method thereof |
| CN102010221A (en) * | 2010-10-14 | 2011-04-13 | 咸阳陶瓷研究设计院 | Outer wall lightweight ceramic tile and production method thereof |
| CN103253961A (en) * | 2013-06-05 | 2013-08-21 | 江苏华东尾矿治理工程有限公司 | Foamed ceramic material and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 马鸿文编.工业矿物与岩石.《工业矿物与岩石》.化学工业出版社,2005, * |
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