CN103044066B - Foamed ceramic material prepared from tailings and ceramic tile polishing waste and manufacturing method for same - Google Patents
Foamed ceramic material prepared from tailings and ceramic tile polishing waste and manufacturing method for same Download PDFInfo
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- CN103044066B CN103044066B CN201310014824XA CN201310014824A CN103044066B CN 103044066 B CN103044066 B CN 103044066B CN 201310014824X A CN201310014824X A CN 201310014824XA CN 201310014824 A CN201310014824 A CN 201310014824A CN 103044066 B CN103044066 B CN 103044066B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The invention discloses a foamed ceramic material prepared from tailings and ceramic tile polishing waste, comprising a basic blank and a foaming agent, wherein the composition of the basic blank comprises 30-60 wt% of rare-earth tailings, 20-30 wt% of serpentine tailings, 10-30 wt% of low-temperature sand, 5-10 wt% of talcum and 5-10 wt% of Suzhou clay; and the foaming agent is the ceramic tile polishing waste, and has a dosage which is 5-20 wt% according to the basic blank. Additionally, the invention further discloses a manufacturing method for the foamed ceramic material. According to the foamed ceramic material and the manufacturing method disclosed by the invention, the waste resources are adequately utilized, and the foamed ceramic material which is excellent in performances is obtained, the production cost is reduced, and the pressure caused on environment is reduced simultaneously by optimizing, regulating and controlling a blank prescription, so that the foamed ceramic material and the manufacturing method have important economic benefits and social benefits. The manufacturing method disclosed by the invention is stable and reliable in process, easy to control and realize, and beneficial to large-scale popularization and application.
Description
Technical field
The present invention relates to the ceramic material technical field, relate in particular to a kind of foamed ceramic material and manufacture method thereof of utilizing mine tailing and ceramic tile polishing waste material to prepare for raw material.
Background technology
The foamed ceramic material is a kind of by add the stupalith with the hole of holding one's breath that appropriate whipping agent makes in body recipe, there is the advantages such as lightweight, heat insulation, insulation and sound insulation, as a kind of functionality ceramic material, be widely used in building, field of petrochemical industry.At present, the production technique of prior art foamed ceramic material is: the silicate such as feldspar, kaolin, quartz of take are basic material, add carbonate (as sodium carbonate, calcium carbonate), carbon dust etc. as whipping agent, by techniques such as shaping and high-temperature heat treatment, obtain product.The preparation of prior art foamed ceramic material, need on the one hand to use the high-quality silicate starting materials such as a large amount of feldspars, kaolin, quartz, the whipping agent material price added more expensive simultaneously, cause production cost higher, thereby limited production development and the further promotion and application of foamed ceramic material.
In addition, mine tailing is produced the waste of discharge as bargh, pile up and the formation tailing dam for a long time, not only floor space is large, exist very large potential safety hazard, and underground water and environment are caused to great pollution, therefore, how effectively the disposal and utilization resource of tailings has received increasingly extensive concern, is also the important guarantee that determines that can mining area and regional economy Sustainable development simultaneously.Secondly, the ceramic tile polishing waste material is in ceramic tile surface is carried out to the process of polishing, the waste material that between polishing disk and brick face, the phase mutual friction produces.Along with the development of China's building trade, the demand of ceramic tile increases sharply, so the polished waste material produced in ceramic tile production is also in swift and violent increase.According to statistics: pottery producing region, Foshan is only in 2011, and the annual production of various tile polished wastes surpasses 3,000,000 tons, and the annual production of national tile polished waste is estimated at 5,000,000 tons.And at present, to it, be mainly to take the mode of accumulation or landfill to be processed, similarly, not only floor space increases, and brings a lot of adverse influences to the development of enterprise and regional economy.In a word, its important economic benefit of the regeneration of waste resource and social benefit are paid attention to by the whole society and are paid close attention to.
And, in numerous mine tailings, rare-earth tailing and serpentine tailing are the mine tailings of two quasi-representatives, its storage capacity is large, intractability is high.China's rare earth reserves are abundant, account for 45% of world saving, and wherein the ground such as Jiangxi, Guangdong, Fujian, Guangxi and Hunan are the main producing regions of rare-earth mineral, and its ion type rareearth accounts for more than 95% of national reserves.Yet this class rare-earth mineral grade is lower, 1 ton of rare-earth products of every production approximately produces 1500-2000 ton mine tailing.The exploitation of Southern Jiangxi rare-earth mineral of take is example, after the exploitation through nearly 30 years, pile up like a mountain for rare-earth tailing at present, reach nearly 3,000,000,000 tons, and the annual amount with tens million of tons is newly-increased, because these rare-earth tailings do not carry out the exploitation of science, brought to the ecotope of locality and near zone and economic construction and have a strong impact on.Serpentine ore mainly is positioned at Shimian, Sichuan county, Donghai Area, Jiangsu county, District, Xinyang Area, Henan Province city, Ningqiang, Shaanxi county and Yiyang County, Jiangxi etc., reserves have been verified over 500,000,000 tons, a year produced quantity is about 200 ~ 3,000,000 tons at present, raw materials for production mainly as calcium, magnesium, phosphate fertilizer, the serpentine tailing produced in the exploitation production process, account for 1/3rd to 2/3rds of produced quantity.But the utilization ratio of serpentine tailing is very low at present, only account for 2% left and right of quantity discharged, be mainly to utilize serpentine tailing to prepare the raw materials such as magnesium oxide, red iron oxide, silicon-dioxide and calcium carbonate.
Generally speaking, how effectively, scientifically utilize waste resource still to need to carry out a large amount of research and developments.Taking full advantage of renewable resource exploitation energy-saving material, be not only the Strategic Demand of sustainable economic development, is also an urgent demand of setting up resource, energy conservation type society.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of foamed ceramic material that utilizes rare-earth tailing and serpentine tailing and ceramic tile polishing waste material to prepare for raw material is provided, to take full advantage of waste resource, obtain the foamed ceramic material of excellent performance by optimization and regulation and control body recipe.Another object of the present invention is to provide the manufacture method of above-mentioned foamed ceramic material.
Purpose of the present invention is achieved by the following technical programs:
A kind of foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material provided by the invention, comprise basic blank and whipping agent; Described basic blank consist of rare-earth tailing 30～60wt%, serpentine tailing 20～30wt%, hypothermia grait 10～30wt%, talcum 5～10wt%, Suzhou soil 5～10wt%; Described whipping agent is the ceramic tile polishing waste material, 5～20wt% that its consumption is basic blank.The present invention is usingd rare-earth tailing and serpentine tailing as main raw material, assist simultaneously and use hypothermia grait, talcum and Suzhou soil raw material, make the suitable amount of liquid phase of generation under high temperature, by in parcel ceramic tile polishing waste material, under institute's silicon carbide-containing high temperature, decomposing the carbon dioxide produced, form bubble in base substrate, in the situation that guarantee that product has lightweight, there is enough intensity simultaneously, thereby obtain needed foamed ceramic material.
In such scheme, in ceramic tile polishing waste material of the present invention, the content of silicon carbide is advisable with 10～20wt%.
Further, rare-earth tailing of the present invention contains kaolinite 10～20wt%, mica 15～20wt%, quartzy 55～60wt%, feldspar 10～15wt%; Described serpentine tailing contains serpentine 45～50wt%, peridotites 20～25wt%, the tremolite 5～10wt%, kaolinite 10～15wt%, calcite 3～5wt%., magnetite 5～8wt%.
In such scheme, its chemical constitution of rare-earth tailing of the present invention contains SiO
265～70wt%, Al
2o
315～20wt%, K
2o+Na
2o6～10wt%, Fe
2o
3+ TiO
22～3wt%, loss on ignition 3～5wt%; Its chemical constitution of described serpentine tailing contains MgO35～40wt%, SiO
235～40wt%, Al
2o
35～10wt%, CaO2～3wt%, Fe
2o
3+ TiO
25～8wt%, loss on ignition 10～15wt%.
Another object of the present invention is achieved by the following technical programs:
The manufacture method of the above-mentioned foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material provided by the invention comprises the following steps:
(1) by after described basic blank, ceramic tile polishing waste material batching, add slurry thinner and suspension agent to carry out wet ball grinding and obtain slip;
(2) described slip is through mist projection granulating, dry pressing and obtain green compact;
(3) after the described green compact demoulding, drying, burn till, be incubated 10～45min and obtain product at 1150～1250 ℃ of temperature.
Further, in the described step of manufacture method of the present invention (1), slurry thinner is tripoly phosphate sodium STPP, and suspension agent is Xylo-Mucine, and its addition is respectively 2～3wt ‰ and the 1～2wt ‰ of basic blank.The time of described wet-milling is advisable with 30～45min.In described step (3) at 100～120 ℃ of temperature dry 60～100min.
The present invention has following beneficial effect:
(1) utilized in a large number rare-earth tailing and the serpentine tailing main raw material (consumption is greater than 50%) as basic blank, by optimizing and the regulation and control body recipe, guaranteed that base substrate has good compression moulding performance and sintering character, and utilize the ceramic tile polishing waste material as whipping agent, thereby fully realized the comprehensive utilization of resources of waste, reduced production cost, for the production development of foamed ceramic material provides new approach, and contribute to the further promotion and application of foamed ceramic material.
(2), by regulating introduction volume and the firing temperature of mine tailing in basic blank, can regulate and control the sintering character (being to produce amount of liquid phase and high temperature viscosity in base substrate) of base substrate; By regulating the introduction volume of ceramic tile polishing waste material, can regulate and control the gas volume that base substrate produces in sintering process, thereby obtain the foamed ceramic material with different performance, meet the requirement in different application field.
(3) stable preparation process of the present invention is reliable, is easy to control and realize, is conducive to large-scale promotion and application.
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment
The rare-earth tailing that the embodiment of the present invention adopts derives from the Southern Jiangxi Xunwu County, mainly contains kaolinite 10～20wt%, mica 15～20wt%, quartzy 55～60wt%, feldspar 10～15wt%; Its chemical constitution contains SiO
265～70wt%, Al
2o
315～20wt%, K
2o+Na
2o6～10wt%, Fe
2o
3+ TiO
22～3wt%, loss on ignition 3～5wt%.Serpentine tailing derives from Yiyang County, Jiangxi, mainly contains serpentine 45～50wt%, peridotites 20～25wt%, the tremolite 5～10wt%, kaolinite 10～15wt%, calcite 3～5wt%., magnetite 5～8wt%; Its chemical constitution contains MgO35～40wt%, SiO
235～40wt%, Al
2o
35～10wt%, CaO2～3wt%, Fe
2o
3+ TiO
25～8wt%, loss on ignition 10～15wt%.
Embodiment mono-:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, basic blank consist of rare-earth tailing 60wt%, serpentine tailing 20wt%, hypothermia grait 10wt%, talcum 5wt%, Suzhou soil 5wt%; Whipping agent is the ceramic tile polishing waste material, the 10wt% that its consumption is basic blank, silicon carbide-containing 15wt% in the ceramic tile polishing waste material.
2, the preparation method of the present embodiment foamed ceramic material is as follows:
(1) by after above-mentioned basic blank, ceramic tile polishing waste material batching, add consumption to be respectively the 3wt ‰ of basic blank and slurry thinner tripoly phosphate sodium STPP and the suspension agent Xylo-Mucine of 1wt ‰, and add water to carry out wet ball grinding 30min to obtain slip;
(2) slip is through mist projection granulating, dry pressing and obtain green compact;
(3), after the green compact demoulding, dry 100min at 100 ℃ of temperature then burns till, is incubated 30min and obtains product at 1150 ℃ of temperature.
Embodiment bis-:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, basic blank consist of rare-earth tailing 30wt%, serpentine tailing 30wt%, hypothermia grait 30wt%, talcum 5wt%, Suzhou soil 5wt%; Whipping agent is the ceramic tile polishing waste material, the 10wt% that its consumption is basic blank.
2, the preparation method of the present embodiment foamed ceramic material is with embodiment mono-.
Embodiment tri-:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, its formula forms with embodiment bis-.
2, the preparation method of the present embodiment foamed ceramic material and embodiment bis-differences are:
In step (3), firing temperature is 1250 ℃.
Embodiment tetra-:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, basic blank consist of rare-earth tailing 45wt%, serpentine tailing 25wt%, hypothermia grait 20wt%, talcum 5wt%, Suzhou soil 5wt%; Whipping agent is the ceramic tile polishing waste material, the 15wt% that its consumption is basic blank, silicon carbide-containing 20wt% in the ceramic tile polishing waste material.
2, the preparation method of the present embodiment foamed ceramic material and embodiment mono-difference are:
In step (1), the consumption of slurry thinner tripoly phosphate sodium STPP and suspension agent Xylo-Mucine is respectively 2wt ‰ and the 1.5wt ‰ of basic blank, and the wet ball grinding time is 45min.
Embodiment five:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, basic blank consist of rare-earth tailing 30wt%, serpentine tailing 20wt%, hypothermia grait 30wt%, talcum 10wt%, Suzhou soil 10wt%; Whipping agent is the ceramic tile polishing waste material, the 5wt% that its consumption is basic blank, silicon carbide-containing 10wt% in the ceramic tile polishing waste material.
2, the preparation method of the present embodiment foamed ceramic material and embodiment mono-difference are:
In step (1), the consumption of slurry thinner tripoly phosphate sodium STPP and suspension agent Xylo-Mucine is respectively 3wt ‰ and the 1.5wt ‰ of basic blank, and the wet ball grinding time is 40min.
In step (3), burning till soaking time is 10min.
Embodiment six:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, basic blank consist of rare-earth tailing 45wt%, serpentine tailing 20wt%, hypothermia grait 20wt%, talcum 7.5wt%, Suzhou soil 7.5wt%; Whipping agent is the ceramic tile polishing waste material, the 5wt% that its consumption is basic blank, silicon carbide-containing 18wt% in the ceramic tile polishing waste material.
2, the preparation method of the present embodiment foamed ceramic material and embodiment mono-difference are:
In step (1), the consumption of slurry thinner tripoly phosphate sodium STPP and suspension agent Xylo-Mucine is respectively 3wt ‰ and the 2wt ‰ of basic blank, and the wet ball grinding time is 45min.
In step (3), drying temperature is 120 ℃, and be 60min time of drying.
Embodiment seven:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, and the composition of basic blank is with embodiment tetra-; Whipping agent is the ceramic tile polishing waste material, the 20wt% that its consumption is basic blank.
2, the preparation method of the present embodiment foamed ceramic material and embodiment tetra-differences are:
In step (3), drying temperature is 120 ℃, and be 80min time of drying.
Embodiment eight:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, and the composition of basic blank is with embodiment tetra-; Whipping agent is the ceramic tile polishing waste material, the 10wt% that its consumption is basic blank, silicon carbide-containing 12wt% in the ceramic tile polishing waste material.
2, the preparation method of the present embodiment foamed ceramic material and embodiment tetra-differences are:
In step (1), the wet ball grinding time is 40min.
In step (3), drying temperature is 120 ℃, and be 60min time of drying; Firing temperature is 1200 ℃, and soaking time is 10min.
Embodiment nine:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, its formula forms with embodiment eight.
2, the preparation method of the present embodiment foamed ceramic material and embodiment eight differences are:
In step (3), burning till soaking time is 20min.
Embodiment ten:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, its formula forms with embodiment eight.
2, the preparation method of the present embodiment foamed ceramic material and embodiment eight differences are:
In step (3), burning till soaking time is 30min.
Embodiment 11:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, basic blank consist of rare-earth tailing 45wt%, serpentine tailing 25wt%, hypothermia grait 15wt%, talcum 5wt%, Suzhou soil 10wt%; Whipping agent is the ceramic tile polishing waste material, the 10wt% that its consumption is basic blank.
2, the preparation method of the present embodiment foamed ceramic material and embodiment mono-difference are:
In step (1), the consumption of slurry thinner tripoly phosphate sodium STPP and suspension agent Xylo-Mucine is respectively 2.5wt ‰ and the 1.5wt ‰ of basic blank.
Embodiment 12:
1, the foamed ceramic material that prepared with mine tailing and ceramic tile polishing waste material by the present embodiment, comprise basic blank and whipping agent, basic blank consist of rare-earth tailing 45wt%, serpentine tailing 25wt%, hypothermia grait 15wt%, talcum 10wt%, Suzhou soil 5wt%; Whipping agent is the ceramic tile polishing waste material, the 10wt% that its consumption is basic blank.
2, the preparation method of the present embodiment foamed ceramic material and embodiment 11 differences are:
In step (3), burning till soaking time is 45min.
The performance index of the embodiment of the present invention one～12 foamed ceramic materials are as shown in table 1.
The performance index of table 1 embodiment of the present invention one～12 foamed ceramic materials
A kind of foamed ceramic material and manufacture method thereof prepared with mine tailing and ceramic tile polishing waste material of the present invention, the consumption of each component and processing parameter are not limited to the above-mentioned embodiment enumerated.
Claims (8)
1. the foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material, comprise basic blank and whipping agent; It is characterized in that: described basic blank consist of rare-earth tailing 30～60wt%, serpentine tailing 20～30wt%, hypothermia grait 10～30wt%, talcum 5～10wt%, Suzhou soil 5～10wt%; Described whipping agent is the ceramic tile polishing waste material that contains silicon carbide, 5～20wt% that its consumption is basic blank.
2. the foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material according to claim 1, is characterized in that: silicon carbide-containing 10～20wt% in described ceramic tile polishing waste material.
3. the foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material according to claim 1 is characterized in that: described rare-earth tailing contains kaolinite 10～20wt%, mica 15～20wt%, quartzy 55～60wt%, feldspar 10～15wt%; Described serpentine tailing contains serpentine 45～50wt%, peridotites 20～25wt%, the tremolite 5～10wt%, kaolinite 10～15wt%, calcite 3～5wt%., magnetite 5～8wt%.
4. according to claim 1 or the 2 or 3 described foamed ceramic materials that prepare with mine tailing and ceramic tile polishing waste material, it is characterized in that: its chemical constitution of described rare-earth tailing contains SiO
265～70wt%, Al
2o
315～20wt%, K
2o+Na
2o6～10wt%, Fe
2o
3+ TiO
22～3wt%, loss on ignition 3～5wt%; Its chemical constitution of described serpentine tailing contains MgO35～40wt%, SiO
235～40wt%, Al
2o
35～10wt%, CaO2～3wt%, Fe
2o
3+ TiO
25～8wt%, loss on ignition 10～15wt%.
5. the manufacture method of the described foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material of one of claim 1-4 is characterized in that comprising the following steps:
(1) by after described basic blank, ceramic tile polishing waste material batching, add slurry thinner and suspension agent to carry out wet ball grinding and obtain slip;
(2) described slip is through mist projection granulating, dry pressing and obtain green compact;
(3) after the described green compact demoulding, drying, burn till, be incubated 10～45min and obtain product at 1150～1250 ℃ of temperature.
6. the manufacture method of the foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material according to claim 5, it is characterized in that: in described step (1), slurry thinner is tripoly phosphate sodium STPP, suspension agent is Xylo-Mucine, and its addition is respectively 2～3wt ‰ and the 1～2wt ‰ of basic blank.
7. the manufacture method of the foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material according to claim 5 is characterized in that: in described step (1), the wet-milling time is 30～45min.
8. the manufacture method of the foamed ceramic material prepared with mine tailing and ceramic tile polishing waste material according to claim 5 is characterized in that: in described step (3) at 100～120 ℃ of temperature dry 60～100min.
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| CN103253979B (en) * | 2013-06-12 | 2014-08-27 | 许庆华 | Serpentine composite type flame-retardant foaming agent |
| CN105669209A (en) * | 2015-12-30 | 2016-06-15 | 刘操 | Silicon nitride ceramic material, and preparation method and application thereof |
| CN108164250A (en) * | 2018-01-10 | 2018-06-15 | 和县明生环保材料有限责任公司 | A kind of self-heat preserving sintering porous brick and sintering process |
| CN109796186A (en) * | 2019-03-25 | 2019-05-24 | 涂玉波 | A kind of artificial lightweight material and the preparation method and application thereof |
| CN110981426A (en) * | 2019-11-12 | 2020-04-10 | 安徽省隆达建材科技有限公司 | Preparation method of light high-strength ceramic insulation board |
| CN112979336B (en) * | 2019-12-15 | 2022-04-22 | 西南科技大学 | Method for preparing foamed ceramic thermal insulation material by using fluorocarbon cerium type rare earth tailings with low energy consumption and product |
| CN112979271B (en) * | 2021-03-24 | 2022-11-04 | 江西金唯冠建材有限公司 | Preparation method of light high-strength pure-color glazed brick |
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| JPH02208268A (en) * | 1989-02-03 | 1990-08-17 | Nippon Steel Chem Co Ltd | Production of foamed ceramics |
| JPH10316457A (en) * | 1997-05-15 | 1998-12-02 | Hitachi Zosen Corp | Production of foamed article |
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| CN102515695A (en) * | 2011-10-20 | 2012-06-27 | 景德镇陶瓷学院 | Ceramic brick produced by using rare earth tailings and production method thereof |
| CN102584191A (en) * | 2012-03-22 | 2012-07-18 | 上海大学 | Method for preparing cordierite ceramics by using serpentine tailings |
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