CN1433995A - Gangue ceramic brick and making method thereof - Google Patents

Gangue ceramic brick and making method thereof Download PDF

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Publication number
CN1433995A
CN1433995A CN03118629A CN03118629A CN1433995A CN 1433995 A CN1433995 A CN 1433995A CN 03118629 A CN03118629 A CN 03118629A CN 03118629 A CN03118629 A CN 03118629A CN 1433995 A CN1433995 A CN 1433995A
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China
Prior art keywords
coal gangue
feldspar
wollastonite
quartzy
crossed
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CN03118629A
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CN1226228C (en
Inventor
王焰新
周俊
梁启斌
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China University of Geosciences
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China University of Geosciences
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Priority to CNB031186297A priority Critical patent/CN1226228C/en
Publication of CN1433995A publication Critical patent/CN1433995A/en
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Publication of CN1226228C publication Critical patent/CN1226228C/en
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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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Compositions Of Oxide Ceramics (AREA)

Abstract

The present invention relates to a gangue ceramic tile and its preparation method. It is composed of (by mass percentage) 40-50% of gangue, 4-6% of wollastonite, 25-35% of feldspar and 15-25% of quartz. Its preparation method includes the following steps: (1) pretreating raw materials; (2) raw material formula; (3). mixing materials and making slurry; (4). drying slurry; (5). grinding; (6) adding water and granulating; (7). ageing; (8) pressing to make blank; (9) drying blank; (10). baking, and (11). cooling. Said ceramic tile is white, its water absorption rate is less than 0.3% and its breaking modulus is greater than 35 MPa.

Description

Coal gangue porcelain brick and preparation method thereof
Technical field
The present invention relates to a kind of gangue ceramic tile and preparation method thereof, relate to a kind of porcelain brick that coal gangue is prepared from for main raw material and preparation method thereof of utilizing specifically.
Background technology
Porcelain brick also often is called as the vitreous brick on ceramic market, be the porcelain pottery for building of a class top grade.Have folding strength height, Heat stability is good, water-intake rate is low, quality is hard, acid and alkali-resistance, advantage such as corrosion-resistant, freeze proof, anti-skidding, moistureproof, easy to clean, can promote the use of places such as shopping block, building, hotel, exhibition hall, public place of entertainment, station, airport, hospital, school, dwelling house parlor wall,, cylinder decorates.The color and luster jade-like stone profit of porcelain brick, soft naturally, the natural, graceful and poised elegance of texture, magnificent noble quality, decorative effect is splendid, is subjected to people's favor day by day.In traditional porcelain brick is produced, be raw material mainly, by batching, ball milling, the deironing of sieving, spraying drying, granulation, press forming, baking base, operation such as burn till and produce with clay, feldspar, pegmatite, perlite, nepheline syenite, triphane, diopside, talcum etc.
Coal gangue is the flammable ore that coal-forming material and other deposited materials generate in the qualitative response of secular ground, and its main chemical compositions is Al 2O 3And SiO 2, the essential mineral composition is a kaolinite, and the compound of a certain amount of carbon and a small amount of sulphur and other element is arranged.Along with the rapid raising of coal produced quantity, the output of coal gangue also increases thereupon.These coal gangues have occupied a large amount of farmlands, have wasted land resources.Simultaneously, coal gangue has also caused the serious environmental pollution to atmosphere, water body, near resident's health endangering.Therefore, as the main material production porcelain brick,, turn waste into wealth, change evil, crucial realistic meaning is arranged for benefit to coal gangue scientific utilization in addition with coal gangue.
Summary of the invention
The object of the present invention is to provide a kind of is the white porcelain brick and preparation method thereof of main material production with the coal gangue.
Technical scheme of the present invention is: with the coal gangue is main raw material, and adds an amount of wollastonite, feldspar and quartz, produces the coal gangue porcelain brick.The mass percent that each raw material accounts for the raw material total amount is respectively: coal gangue 40～50, wollastonite 4～6, feldspar 25～35, quartzy 15～25; The mass percent of optimum formula is: coal gangue 45, wollastonite 5, feldspar 30, quartzy 20.
The preparation method of coal gangue porcelain brick is characterized in that it is realized by following step:
(1) raw materials pretreatment: feldspar and wollastonite dry ball milling are crossed 200 orders, and coal gangue and quartzy dry ball milling are crossed 120 orders;
(2) composition of raw materials, mass percent: coal gangue 45～50, wollastonite 4～6, feldspar 25～35, quartzy 15～25;
(3) batching and slurrying: take by weighing coal gangue, wollastonite, feldspar, quartz, mix and pour in the ball grinder, add the water of 0.8 times of raw material total amount, wet ball grinding is crossed 200 orders;
(4) oven dry slurry;
(5) grind: utilize porcelain to grind, with dry finish smash to pieces, porphyrize, cross 80 mesh sieves;
(6) water mixing granulation: directly drip 7～9% water in powder, stirring-granulating is crossed 12 mesh sieves;
(7) old: place plastics bag, sealing was placed 1 day;
(8) pressed compact: utilize the pressure of 25～40MPa, powder is pressed into green compact;
(9) baking base: green compact are placed baking oven, 110 ℃ of oven dry down;
(10) fire and temperature increasing schedule: before 300 ℃, temperature rise rate is 15 ℃/min; 300 ℃～500 ℃, temperature rise rate is 12 ℃/min; 500 ℃～850 ℃, temperature rise rate is 10 ℃/min; Carry out moderate heat insulation, soaking time 30～50min at 850 ℃; 850 ℃～firing temperature, temperature rise rate is 12 ℃/min; Under firing temperature, carry out the insulation of height fire, soaking time 40～60min; Firing temperature is 1180～1210 ℃;
(11) cooling and cooling system: 700 ℃ of coolings fast in the past; 700～500 ℃, slowly cooling; After 500 ℃, cooling fast.
The porcelain brick that the present invention prepares, color is white in color, and water-intake rate is less than 0.3, and the modulus of rupture is greater than 35MPa, and the other technologies index all meets the specification of quality of standard GB/T4100.1-1999.Utilize coal gangue to prepare porcelain brick, this solid waste of coal gangue scientific utilization in addition can have been realized changing waste into resources, have far-reaching environment protection significance.In addition, the raw material sources that porcelain brick is produced have also been enlarged.
Embodiment
The selected raw material of the present invention has four kinds: coal gangue, wollastonite, feldspar and quartz.The mass percent of each raw material in prescription is: coal gangue 40～50, wollastonite 4～6, feldspar 25～35, quartzy 15～25.The composition of raw materials of each embodiment sees the following form:
Example raw materials quality % 1 ?2 ?3 ?4
Coal gangue 40 ?46 ?45 ?50
Wollastonite 6 ?4 ?5 ?6
Feldspar 29 ?35 ?30 ?25
Quartzy 25 ?15 ?20 ?19
The preparation process of coal gangue porcelain brick of the present invention and processing parameter are:
(1) raw materials pretreatment: feldspar and wollastonite dry ball milling are crossed 200 orders, and coal gangue and quartzy dry ball milling are crossed 120 orders;
(2) composition of raw materials (mass percent): coal gangue 45～50, wollastonite 4～6, feldspar 25～35, quartzy 15～25;
(3) batching and slurrying: take by weighing coal gangue, wollastonite, feldspar, quartz, mix and pour in the ball grinder, and mix the water of 0.8 times of raw material total amount, wet ball grinding is crossed 200 orders;
(4) oven dry slurry;
(5) grind: utilize porcelain to grind, with dry finish smash to pieces, porphyrize, cross 80 mesh sieves;
(6) water mixing granulation: directly drip 7～9 water in powder, stirring-granulating is crossed 12 mesh sieves;
(7) old: place plastics bag, sealing was placed 1 day;
(8) pressed compact: utilize the pressure of 25～40MPa, powder is pressed into green compact;
(9) baking base: green compact are placed baking oven, 110 ℃ of oven dry down;
(10) fire and temperature increasing schedule: before 300 ℃, temperature rise rate is 15 ℃/min; 300 ℃～500 ℃, temperature rise rate is 12 ℃/min; 500 ℃～850 ℃, temperature rise rate is 10 ℃/min; Carry out moderate heat insulation, soaking time 30～50min at 850 ℃; 850 ℃～firing temperature, temperature rise rate is 12 ℃/min; Under firing temperature, carry out the insulation of height fire, soaking time 40～60min; Firing temperature is 1180～1210 ℃;
(11) cooling and cooling system: 700 ℃ of coolings fast in the past; 700～500 ℃, slowly cooling; After 500 ℃, cooling fast.
Chemical ingredients raw materials used among the embodiment sees the following form: measure unit: ω (B)/
Composition SiO 2 ??Al 2O 3 ??TFe 2O 3 ??MgO ????CaO ??Na 2O ??K 2O ???TiO 2 Loss on ignition
Coal gangue 45.36 ??38.49 ??0.32 ??0.11 ????0.16 ??0.08 ??0.40 ???0.44 ???14.33
Wollastonite 50.23 ??0.80 ??0.50 ??1.00 ????44.90 ??/ ??/ ???0.01 ???2.47
Feldspar 72.09 ??15.13 ??0.26 ??0.09 ????0.33 ??3.98 ??7.46 ???0.03 ???0.56
Quartzy 99.80 ??/ ??/ ??/ ????/ ??/ ??/ ???/ ???0.02

Claims (3)

1, coal gangue porcelain brick, it is characterized in that it mainly is main raw material with the coal gangue, and add an amount of wollastonite, feldspar and quartz, the mass percent of the shared total mass of each component is: coal gangue 40～50, wollastonite 4～6, feldspar 25～35, quartzy 15～25.
2, coal gangue porcelain brick according to claim 1 is characterized in that the optimized percentage of the shared total mass of each component is: coal gangue 45, wollastonite 5, feldspar 30, quartzy 20.
3, the preparation method of coal gangue porcelain brick is characterized in that it is realized by following step:
(1) raw materials pretreatment: feldspar and wollastonite dry ball milling are crossed 200 orders, and coal gangue and quartzy dry ball milling are crossed 120 orders;
(2) composition of raw materials, mass percent: coal gangue 45～50, wollastonite 4～6, feldspar 25～35, quartzy 15～25;
(3) batching and slurrying: take by weighing coal gangue, wollastonite, feldspar, quartz, mix and pour in the ball grinder, and mix the water of 0.8 times of raw material total amount, wet ball grinding is crossed 200 orders;
(4) oven dry slurry;
(5) grind: utilize porcelain to grind, with dry finish smash to pieces, porphyrize, cross 80 mesh sieves;
(6) water mixing granulation: directly drip 7～9% water in powder, stirring-granulating is crossed 12 mesh sieves;
(7) old: place plastics bag, sealing was placed 1 day;
(8) pressed compact: utilize the pressure of 25～40MPa, powder is pressed into green compact;
(9) baking base: green compact are placed baking oven, 110 ℃ of oven dry down;
(10) fire and temperature increasing schedule: before 300 ℃, temperature rise rate is 15 ℃/min; 300 ℃～500 ℃, temperature rise rate is 12 ℃/min; 500 ℃～850 ℃, temperature rise rate is 10 ℃/min; Carry out moderate heat insulation, soaking time 30～50min at 850 ℃; 850 ℃～firing temperature, temperature rise rate is 12 ℃/min; Under firing temperature, carry out the insulation of height fire, soaking time 40～60min; Firing temperature is 1180～1210 ℃;
(11) cooling and cooling system: 700 ℃ of coolings fast in the past; 700～500 ℃, slowly cooling; After 500 ℃, cooling fast.
CNB031186297A 2003-02-21 2003-02-21 Gangue ceramic brick and making method thereof Expired - Fee Related CN1226228C (en)

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Application Number Priority Date Filing Date Title
CNB031186297A CN1226228C (en) 2003-02-21 2003-02-21 Gangue ceramic brick and making method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB031186297A CN1226228C (en) 2003-02-21 2003-02-21 Gangue ceramic brick and making method thereof

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CN1433995A true CN1433995A (en) 2003-08-06
CN1226228C CN1226228C (en) 2005-11-09

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300059C (en) * 2004-08-26 2007-02-14 叶荣恒 Ceramic tile making process
CN101391883A (en) * 2008-11-05 2009-03-25 北京创导高科绝热材料有限公司 Method for producing light heat-insulating brick from coal mine associated resources and light heat-insulating brick thereof
CN101121282B (en) * 2007-09-26 2010-05-19 中国地质大学（武汉） Technology for preparing blank for constructive ceramic with semi-drying method
CN103553569A (en) * 2013-10-12 2014-02-05 中国神华能源股份有限公司 Porcelain tile using gangue and residue of aluminium extraction from fly ash as main raw materials and preparation method thereof
CN107673740A (en) * 2017-11-09 2018-02-09 平定县冠窑砂器陶艺有限公司 A kind of multi-functional tea set and preparation method thereof
CN112608132A (en) * 2020-12-23 2021-04-06 山东金卡材料科技有限公司 Coal gangue ceramic floor tile and production process thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300059C (en) * 2004-08-26 2007-02-14 叶荣恒 Ceramic tile making process
CN101121282B (en) * 2007-09-26 2010-05-19 中国地质大学（武汉） Technology for preparing blank for constructive ceramic with semi-drying method
CN101391883A (en) * 2008-11-05 2009-03-25 北京创导高科绝热材料有限公司 Method for producing light heat-insulating brick from coal mine associated resources and light heat-insulating brick thereof
CN103553569A (en) * 2013-10-12 2014-02-05 中国神华能源股份有限公司 Porcelain tile using gangue and residue of aluminium extraction from fly ash as main raw materials and preparation method thereof
CN103553569B (en) * 2013-10-12 2015-03-25 中国神华能源股份有限公司 Porcelain tile using gangue and residue of aluminium extraction from fly ash as main raw materials and preparation method thereof
CN107673740A (en) * 2017-11-09 2018-02-09 平定县冠窑砂器陶艺有限公司 A kind of multi-functional tea set and preparation method thereof
CN112608132A (en) * 2020-12-23 2021-04-06 山东金卡材料科技有限公司 Coal gangue ceramic floor tile and production process thereof

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Granted publication date: 20051109