CN103626517B - A kind of preparation method of porous ceramic grain - Google Patents
A kind of preparation method of porous ceramic grain Download PDFInfo
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- CN103626517B CN103626517B CN201310545843.5A CN201310545843A CN103626517B CN 103626517 B CN103626517 B CN 103626517B CN 201310545843 A CN201310545843 A CN 201310545843A CN 103626517 B CN103626517 B CN 103626517B
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Abstract
The invention discloses a kind of is raw-material porous ceramic grain and preparation method thereof with ceramic polished waste residue.With ceramic polished waste residue for prepared by raw material, state porous ceramic grain outside surface and be distributed emptying gap, aperture is 0.01 ~ 5mm.Utilize ceramic polished waste residue containing a large amount of Si oxide and a small amount of organism, inorganic contaminants, burnt till Si oxide, sial compound melting key are connected by high temperature, burn impurities gasification is simultaneously at melt inside support expansion vesicular structure; After cooling, rubbing down removes the glaze layer on haydite surface, makes vesicular structure out exposed, becomes porous ceramic grain.Porous ceramic grain of the present invention has that density is low, cylindrical compress strength is high, porosity is high, the characteristics such as coefficient of softening is high, frost resistance is good, antiacid alkali, shock resistance, toxicological harmless; Its surface open hole can absorb moisture and absorption retains solid small particles thing, can be used for the purposes such as water suction, filtration, cold and hot exchange, adsorption stuffing.
Description
Technical field
The present invention relates to a kind of porous ceramic grain produced for starting material with ceramic polished waste residue and preparation method thereof.
technical background
Along with China's rapid development of economy, china industry also raises speed on a large scale, also produces a large amount of solid waste simultaneously.For the polishing slag of ceramics factory, according to statistics, the output of national polished tile polishing slag in 2011 reaches 2,200 ten thousand tons, by polishing slag water ratio about 35% calculating, the annual polished waste material of ceramic industry (comprise polishing give up dry slag and waste water) year discharge capacity be about 6,300 ten thousand tons.Area, Foshan produces the polishing slag of 600-700 ten thousand tons for 1 year, adds the ceramics factory on the ground such as riverhead, Qingyuan City, Zhaoqing, and the annual polishing slag produced is more than 1,000 ten thousand tons.Ceramic polished waste residue is because containing high temperature foaming substance, and reclaiming cannot produce ceramic tile, producer's fortune abandons countryside landfill.And through the ceramic polished waste residue of high temperature sintering containing organic, after landfill, soil cannot Planting Crops, cause land resources to run off, the destruction eubiosis, regional environmental administration strictly limits ceramics factory's landfill waste residue; Meanwhile, a large amount of waste residues need take the transport and manpower that price grows to even greater heights, and ceramics factory be can't bear the heavy load, and therefore the process of ceramic polished waste residue becomes ceramics factory's strategic point great difficult problem to be solved.For escaping high waste disposal fee use, polishing slag is toppled in violation of rules and regulations privately by some ceramics factories, causes very rugged environment to pollute and social influence.
Haydite has excellent performance, as low in density, cylindrical compress strength is high, porosity is high, and coefficient of softening is high, frost resistance is good, alkali resistant aggregate reaction excellence etc.Especially because haydite density is little, internal porous, form, composition are more homogeneous, and tool some strength and soundness, thus there is light weight, corrosion-resistant, freeze proof, the multifunctional characteristics such as antidetonation and good insulating.In vesicular structure, but there is glaze layer current haydite inside because of outside, and vesicular structure is in closed state, can not contact with external substance, cannot play the function of its vesicular structure.
The surface open hole of porous ceramic grain can absorb moisture and absorption, retain solid small particles thing, simultaneously its inorganic has and stablizes permanent structural state, the mullite that high temperature burns till has fine physical strength, therefore porous ceramic grain can be used for the filler fields such as absorption, filtration, heat exchange, has vast potential for future development.
Summary of the invention
The invention discloses a kind of is raw-material porous ceramic grain and preparation method thereof with ceramic polished waste residue.
The feature of porous ceramic grain of the present invention is, surface uniform distribution open space, aperture is 0.1 ~ 5mm.
The step of preparation method of the present invention is as follows:
1, take by mass percentage the ceramic polished waste residue of 50 ~ 85%, 1 ~ 5% tackiness agent, 1 ~ 5% dispersion agent, 5 ~ 10% pore formers, all the other for water, get each component mixing and ball milling, obtain finely dispersed slurry;
2, with granulating equipment, slurry is made particulate state, dry;
3, by dried particle transport to ceramic kiln roasting, firing temperature is 1000
~1500 DEG C, after roasting completes, haydite is cooled to less than 100 DEG C;
The ceramic body scraped finish device processes of 4, will burn till, removes haydite surface glaze layer, makes inner hole be exposed to surface.
Also following steps can be taked:
(1) take by mass percentage the ceramic polished waste residue of 50 ~ 85%, 1 ~ 5% tackiness agent, 1 ~ 5% dispersion agent, 5 ~ 10% pore formers, all the other for water, get each component mixing and ball milling, obtain finely dispersed slurry;
(2) slurry is pressed into sheet, dries;
(3) by dried slurry transferring to ceramic kiln roasting, firing temperature is 1000
~1500 DEG C, after roasting completes, ceramic body is cooled to less than 100 DEG C;
(4) cut into sheet junior unit ceramic body, make the vesicular structure in segmentation cross section out exposed.
Raw-material ceramic polished waste residue is the solid waste that ceramic polished brick production process produces.The present invention utilizes ceramic polished waste residue containing a large amount of Si oxide and a small amount of organism, inorganic contaminants, is burnt till Si oxide, sial compound melting key are connected by high temperature, and burn impurities gasification is simultaneously at melt inside support expansion vesicular structure; After cooling, rubbing down removes the glaze layer on haydite surface, or is split, and makes vesicular structure out exposed, becomes porous ceramic grain.
Described tackiness agent is have the compound by mutual for powdery aggregate attachment function, is selected from least one among polyvinyl alcohol, Xylo-Mucine, Natvosol, polyacrylamide, treated starch, water glass, xylogen.Described dispersion agent is selected from least one in sodium alkyl sulfate, alkyl sodium sulfonate, the isometric paraffinic tensio-active agent of Soxylat A 25-7.
Described pore former is organic material and mineral compound.Organic substance is selected from as broken in wood chip, stalk, high molecular polymer, and mineral compound is as borax, oxide compound, nitrate, carbonate, oxymuriate, vitriol, muriate, phosphoric acid salt.Described high molecular polymer is the polymkeric substance with Long carbon chain structure, as polyethylene, polyvinyl chloride, polystyrene, polyester, poly-third ethene, acrylonitrile-butadiene-styrene copolymer.Pore former is combustion gasification at high temperature, and the molten slurry inside of the liquid phase formed at the same time forms hole.The impurity such as the SiC in polishing ceramic waste residue, magnesium oxychioride, resol produce gas when high temperature burns till, also can play perforating action.Containing a large amount of organic matters in mud, also perforating action can be played.
Described porous ceramic grain shape can be symmetrical and asymmetric shape.Its shape comprises spheroid, right cylinder, cone-shaped body, rectangular parallelepiped, square, rhombohedron etc.
Porous ceramic grain of the present invention has that density is low, cylindrical compress strength is high, porosity is high, the characteristics such as coefficient of softening is high, frost resistance is good, antiacid alkali, shock resistance, toxicological harmless, its surface open hole (as shown in Figure 1, 2) can absorb moisture and absorption retains solid small particles thing, can be used for the purposes such as water suction filler, bio-filter stuffing, cold and hot exchange filler, gas adsorption filler.
Accompanying drawing explanation
Fig. 1 is the vesicular structure photo (aperture: 1-2mm) on the granular porous haydite surface of the present invention
Fig. 2 is the vesicular structure photo (aperture: 1-3mm) on the flake porous haydite surface of the present invention
Embodiment
The present invention will be further described by the following examples:
Following examples are only one of the specific embodiment of the present invention, and protection scope of the present invention is also not only confined to this embodiment, and the various process programs conceived without substantial differences with the present invention gather in protection scope of the present invention.
Embodiment 1 takes ceramic polished waste residue 50%, polyvinyl alcohol 3%, OP-10(Soxylat A 25-7 by mass percentage respectively) 2%, wood powder 5%, borax 2%, water glass 3%, all the other are water, then operate according to the following steps:
1, polyvinyl alcohol, OP-10 are dissolved in the water, fully stir, make thick liquid, then pour stirrer into, pour other components simultaneously into, be fully mixed into slurry.
2, with granulating equipment, slurry is made particle green compact.
3, particle green compact are sent into drying plant and remove moisture.
4, dried is delivered to ceramic kiln roasting, firing temperature is 1000
~1500 DEG C, after burning till, haydite is cooled to less than 100 DEG C.
5, the haydite burnt till is sent into ball mill polishing, remove haydite surface glaze layer, make inner hole be exposed to surface.
Embodiment 2 takes that ceramic polished waste residue 60%, Xylo-Mucine 1%, sodium laurylsulfonate 2%, stalk are broken 3% by mass percentage respectively, calcium phosphate 4%, all the other are water, then operates according to the following steps:
1, by Xylo-Mucine, sodium laurylsulfonate, be dissolved in the water, fully stir, formed thick liquid, then pour stirrer into, pour other components simultaneously into, be fully mixed into slurry.
2, with granulating equipment, slurry is made particle green compact.
3, particle green compact are sent into drying plant and remove moisture.
4, dried is delivered to ceramic kiln roasting, firing temperature is 1000
~1500 DEG C, after burning till, haydite is cooled to less than 100 DEG C.
5, the haydite burnt till is sent into ball mill polishing, remove haydite surface glaze layer, make inner hole be exposed to surface.
Embodiment 3 takes ceramic polished waste residue 70%, sodium hydroxyethyl cellulose 0.5%, OP-10(Soxylat A 25-7 by mass percentage respectively) 1.5%, borax 3%, sodium sulfate 2%, all the other are water, then operate according to the following steps:
1, sodium hydroxyethyl cellulose, OP-10 are dissolved in the water, fully stir, form thick liquid, then pour stirrer into, pour other components simultaneously into, be fully mixed into slurry.
2, with tabletting machine, slurry is pressed into flake.
3, green compact are sent into drying plant and remove moisture.
4, dried thin slice is delivered to ceramic kiln roasting, firing temperature is 1000
~1500 DEG C, after roasting completes, haydite is cooled to less than 100 DEG C.
5, the thin slice polishing machine burnt till is polished, remove surface glaze layer.
6, glaze sheet will be gone to cut into particulate state, sieve, remove chip.
Embodiment 4 take respectively by mass percentage ceramic polished waste residue 85%, sodium hydroxyethyl cellulose 1%, OP-101%, borax 3%, sodium sulfate 2%, water glass 3%, all the other for water, then operate according to the following steps:
1, sodium hydroxyethyl cellulose, OP-10 are dissolved in the water, and fully stir, and form thick liquid, then pour stirrer into, pour other components simultaneously into, be fully mixed into slurry.
2, pour each component into stirrer, fully mix.
3, with tabletting machine, slurry is pressed into flake.
4, green compact are sent into drying plant and remove moisture.
5, dried thin slice is delivered to ceramic kiln roasting, firing temperature is 1000
~1500 DEG C, after roasting completes, pottery sheet is cooled to less than 100 DEG C.
6, pottery sheet will be gone to cut into sheet haydite, sieve, remove chip.
Claims (2)
1. a preparation method for porous ceramic grain, is characterized in that step is:
(1) take by mass percentage the ceramic polished waste residue of 50 ~ 85%, 1 ~ 5% tackiness agent, 1 ~ 5% dispersion agent, 5 ~ 10% pore formers, all the other for water, get each component mixing and ball milling, obtain finely dispersed slurry;
(2) with granulating equipment, slurry is made particulate state, dry;
(3) by dried particle transport to ceramic kiln roasting, firing temperature is 1000 ~ 1500 DEG C, after roasting completes, haydite is cooled to less than 100 DEG C;
(4) the ceramic body scraped finish device processes of will burn till, removes haydite surface glaze layer, makes inner hole be exposed to surface.
2. a preparation method for porous ceramic grain, is characterized in that step is:
(1) take by mass percentage the ceramic polished waste residue of 50 ~ 85%, 1 ~ 5% tackiness agent, 1 ~ 5% dispersion agent, 5 ~ 10% pore formers, all the other for water, get each component mixing and ball milling, obtain finely dispersed slurry;
(2) slurry is pressed into sheet, dries;
(3) by dried slurry transferring to ceramic kiln roasting, firing temperature is 1000 ~ 1500 DEG C, after roasting completes, ceramic body is cooled to less than 100 DEG C;
(4) cut into sheet junior unit ceramic body, make the vesicular structure in segmentation cross section out exposed.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964765B (en) * | 2014-04-21 | 2016-04-13 | 佛山市东鹏陶瓷有限公司 | A kind of method utilizing polishing slag to manufacture Ceramsite water permeable brick |
| CN104609889B (en) * | 2015-02-11 | 2016-08-24 | 中国科学院广州能源研究所 | A kind of through hole type porous ceramics and preparation method thereof |
| CN105198385B (en) * | 2015-09-30 | 2017-06-06 | 山东纳瑞环保科技有限公司 | A kind of method that utilization oilfield waste drilling mud prepares environment friendly ceramic filtering material |
| CN107337466B (en) * | 2016-09-29 | 2020-07-21 | 沈阳建筑大学 | Coal gangue ceramsite and preparation method thereof |
| CN107619209A (en) * | 2017-09-15 | 2018-01-23 | 河南工程学院 | A kind of ecological environment-friendly type sound-proof light wallboard and preparation method thereof |
| CN109704725B (en) * | 2019-02-25 | 2021-10-26 | 广州大学 | Ceramic polishing slag ceramsite for sludge in urban sewage treatment and preparation method thereof |
| CN110655385A (en) * | 2019-09-30 | 2020-01-07 | 湖南中邦再生资源科技有限公司 | Light environment-friendly ceramsite and preparation method and application thereof |
| CN111635249A (en) * | 2020-06-29 | 2020-09-08 | 青岛海湾科技产业研究院有限公司 | Lightweight high-strength ceramsite and preparation method thereof |
| CN114074373B (en) * | 2020-08-11 | 2023-12-01 | 香港科技大学 | Porous ceramic article, method of making the same, and solid state refrigeration system |
| CN113372129A (en) * | 2021-07-20 | 2021-09-10 | 中国城市建设研究院有限公司 | Hydrophobic light ceramsite prepared from restored soil and preparation method thereof |
| CN114920542A (en) * | 2022-05-23 | 2022-08-19 | 武汉铭创新海生态科技有限公司 | Preparation process of high-volume sludge water storage material |
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| CN1377859A (en) * | 2001-03-30 | 2002-11-06 | 广东佛陶集团股份有限公司陶瓷研究所 | Polished brick waste mud ceramiste and its preparing method |
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Inventor after: Li Tao Inventor after: Fan Yurong Inventor after: Jin Guoting Inventor after: Feng Ziping Inventor after: Wang Yi Inventor after: Yu Liang Inventor before: Li Tao Inventor before: Feng Ziping Inventor before: Yu Liang Inventor before: Fan Yurong Inventor before: Wang Yi |
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