CN107226677A - A kind of high-strength ceramic brick and preparation method thereof - Google Patents

A kind of high-strength ceramic brick and preparation method thereof Download PDF

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Publication number
CN107226677A
CN107226677A CN201710459844.6A CN201710459844A CN107226677A CN 107226677 A CN107226677 A CN 107226677A CN 201710459844 A CN201710459844 A CN 201710459844A CN 107226677 A CN107226677 A CN 107226677A
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parts
modified
strength ceramic
coated particle
ceramic brick
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史万玲
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Hefei Morning Construction Mstar Technology Ltd
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Hefei Morning Construction Mstar Technology Ltd
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Abstract

The invention discloses a kind of high-strength ceramic brick and preparation method thereof, it is related to Ceramic Tiles technical field, includes the raw material of following part meter：100 ~ 150 parts of 100 ~ 120 parts of pre-gelatinized starch, modified 90 ~ 100 parts of clay, 30 ~ 40 parts of waste glass powder, 30 ~ 40 parts of industrial solid castoff, 20 ~ 30 parts of stalk coated particle, 2 ~ 10 parts of dolomite, 2 ~ 10 parts of volcanic rock, 2 ~ 8 parts of graphene, 2 ~ 8 parts of nano titanium oxide, 2 ~ 6 parts of foaming agent and water.Preparation method is：（1）, prepare stalk coated particle；（2）, material mixing and be molded.Antidetonation cracking resistance of the present invention, intensity height are non-friable, and heat conductivility coefficient is small, better mechanical property, can significantly increase the service life.

Description

A kind of high-strength ceramic brick and preparation method thereof
Technical field
The present invention relates to Ceramic Tiles technical field, and in particular to a kind of high-strength ceramic brick and preparation method thereof.
Background technology
Ceramic Tiles are by clay, quartz sand and other inorganic non-metallic raw materials, through dispensing, ball milling, powder processed, shaping, burning The tabular or Bulk ceramic product of the technique productions such as knot, are widely used in decoration and protection building, the metope and ground of structures Face.With developing rapidly for real estate so that the production and consumption of ceramic tile is all got a larger development, while to ceramic tile Performance requirement also more and more higher.But the most low intensity of Ceramic Tiles in the market, not hard enough, frangible, usability is poor, nothing Method meets the market demand.
The content of the invention
It is an object of the invention to provide a kind of high-strength ceramic brick and preparation method thereof, antidetonation cracking resistance, intensity height are non-friable, Heat conductivility coefficient is small, better mechanical property, can significantly increase the service life.
The invention provides following technical scheme：A kind of high-strength ceramic brick, includes the raw material of following part meter：Pre-gelatinized 100 ~ 120 parts of starch, modified 90 ~ 100 parts of clay, 30 ~ 40 parts of waste glass powder, 30 ~ 40 parts of industrial solid castoff, stalk cladding 20 ~ 30 parts of particle, 2 ~ 10 parts of dolomite, 2 ~ 10 parts of volcanic rock, 2 ~ 8 parts of graphene, 2 ~ 8 parts of nano titanium oxide, foaming agent 2 ~ 6 100 ~ 150 parts of part and water；
The stalk coated particle includes the raw material that following part is counted：1 ~ 6 part of diatomite, 1 ~ 6 part of modified meerschaum, organic fiber 2 ~ 1 ~ 3 part of 5 parts, 2 ~ 4 parts of rubber particle, 1 ~ 3 part of waterglass and cellulose thickener.
Preferably, the raw material of following part meter is included：110 parts of pre-gelatinized starch, modified 95 parts of clay, 35 parts of waste glass powder, 35 parts of industrial solid castoff, 25 parts of stalk coated particle, 6 parts of dolomite, 6 parts of volcanic rock, 5 parts of graphene, nanometer titanium dioxide 125 parts of 5 parts of titanium, 4 parts of foaming agent and water；
The stalk coated particle includes the raw material that following part is counted：3.5 parts of diatomite, 3.5 parts of modified meerschaum, organic fiber 2 parts of 3.5 parts, 3 parts of rubber particle, 2 parts of waterglass and cellulose thickener.
Preferably, the pre-gelatinized starch is pre-gelatinized converted starch, and the pre-gelatinized converted starch is passed through by ative starch Pre-gelatinized technique productions, then obtained through denaturation treatment, the ative starch is cornstarch or tapioca, the denaturation treatment For oxidative deformation or crosslinking denaturation.
Preferably, the preparation method of the modified clay is：Clay is put into the sulfuric acid solution that concentration is 5 ~ 10%, mixed It is 3 ~ 5 to close and stir and adjust slurry pH value, keeps 80 ~ 90 DEG C of 30 ~ 40min of heating water bath, filtering, in being washed with distilled water to Property, drying calcines 3 ~ 5h at 300 ~ 400 DEG C, crushes, and crosses 100 ~ 120 mesh sieves, be put into the concentration of 10 ~ 15 times of parts by weight for 1.5 ~ 3mol/L titanium tetrachloride aqueous solutions are well mixed, and then add dispersant, 3 ~ 5h of ultrasonic disperse under the conditions of 50 ~ 60 DEG C, filtering, Neutrality is washed with distilled water to, is dried, 3 ~ 4h is calcined at 80 ~ 90 DEG C, is cooled to room temperature and obtains being modified clay.
Preferably, the waste glass powder is soda-lime-silica glass, quartz glass, high osmanthus oxygen glass, lead silicate glass, aluminium silicon Any of silicate glass and borosilicate glass.
Preferably, the industrial solid castoff is any in Iron-ore Slag, slag, industrial and mineral flue dust and waste mining rock Kind.
Preferably, the foaming agent is one or more of mixtures in carborundum, silicon nitride, boron nitride.
Preferably, the preparation method of the modified meerschaum is：By sepiolite be placed in 300 ~ 500 DEG C of kiln kiln roastings 1 ~ 4h, attrition grinding into 100 ~ 180 mesh powder, it is finely ground after produce modified meerschaum.
Preferably, the organic fiber is any in wood-fibred slurry, grass fiber slurry, mixed plant fiber pulp and secondary stock Kind, the cellulose thickener be hydroxyethyl cellulose, hydroxyethylmethylcellulose and hydroxypropyl methyl cellulose in extremely Few one kind.
The present invention also provides a kind of preparation method of high-strength ceramic brick, comprises the following steps：
（1）, prepare stalk coated particle
First, diatomite, attapulgite modified, organic fiber, rubber particle, waterglass and cellulose family is weighed according to proportioning to increase Thick dose；
Secondly, diatomite, attapulgite modified and cellulose thickener are mixed, added in high-speed mixer, 110 ~ 120 With 500 ~ 800r/min speed stirring 20 ~ 30min of mixing at DEG C, add waterglass and continue to stir after 10 ~ 15min, then Organic fiber and rubber particle are added, continues that 15 ~ 20min is blended with 800 ~ 900r/min speed, comminutor is sent into after drying Middle granulation, size controlling produces stalk coated particle in 2 ~ 4mm, standby；
（2）, material mixing and be molded
Surplus stock is weighed according to proportioning, and adds step（1）Obtained stalk coated particle, mixture is obtained after mixing fully Material, is molded under the conditions of 30~80MPa using injection forming or casting mode, then spontaneously dries 12~24h, after drying Products formed at 700~800 DEG C sinter 2~4h, obtain the high-strength ceramic brick.
Beneficial effects of the present invention：Antidetonation cracking resistance, intensity height are non-friable, and heat conductivility coefficient is small, and better mechanical property can It is specific as follows significantly to increase the service life：
（1）, after the pre-gelatinized starch that adds is mixed with stalk coated particle in the present invention, with preferable cracking resistance and resistance to compression Performance, and good workability；
（2）, the present invention in add modified meerschaum, modified sepiolite can improve Ceramic Tiles to pernicious gas, heavy metal Etc. the adsorptivity of harmful substance；
（3）, the present invention in add industrial solid castoff, not only solve this kind of solid waste process problem, turned waste into wealth, Reduce cost, energy-conserving and environment-protective；
（4）, add graphene in the present invention, the not only toughness reinforcing mechanical performance of Ceramic Tiles, and also reduce the weight of Ceramic Tiles Amount；
（5）, the present invention by optimizing the mutually coordinated of preparation technology and each raw material, obtain good mechanical property, refractory heat-insulating, health Environmental protection, the Ceramic Tiles that heat conductivility coefficient is small, lightweight, water absorption rate is low.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without In limitation the scope of the present invention.
Embodiment 1
A kind of high-strength ceramic brick, includes the raw material of following part meter：
100 parts of pre-gelatinized starch；
Modified 90 parts of clay；
30 parts of waste glass powder；
30 parts of industrial solid castoff；
20 parts of stalk coated particle；
2 parts of dolomite；
2 parts of volcanic rock；
2 parts of graphene；
2 parts of nano titanium oxide；
2 parts of foaming agent；
100 parts of water；
The stalk coated particle includes the raw material that following part is counted：1 part of diatomite, 1 part of modified meerschaum, 2 parts of organic fiber, rubber 1 part of 2 parts of glue particulate, 1 part of waterglass and cellulose thickener.
Wherein, the pre-gelatinized starch is pre-gelatinized converted starch, and the pre-gelatinized converted starch is by ative starch by pre- Technique productions are gelatinized, then are obtained through denaturation treatment, the ative starch is cornstarch, the denaturation treatment is oxidative deformation.
Wherein, the preparation method of the modified clay is：Clay is put into the sulfuric acid solution that concentration is 5%, mixed And it is 3 to adjust slurry pH value, 80 DEG C of heating water bath 30min are kept, filtering is washed with distilled water to neutrality, dried, at 300 DEG C 3h is calcined, is crushed, 100 mesh sieves are crossed, the concentration of 10 times of parts by weight is put into and is well mixed for 1.5mol/L titanium tetrachloride aqueous solutions, so After add dispersant, the ultrasonic disperse 3h under the conditions of 50 DEG C, filtering, be washed with distilled water to neutrality, dry, 80 DEG C calcining 3h, is cooled to room temperature and obtains being modified clay.
Wherein, the waste glass powder is soda-lime-silica glass, and the industrial solid castoff is Iron-ore Slag, and the foaming agent is Carborundum.
Wherein, the preparation method of the modified meerschaum is：Sepiolite is placed in 300 DEG C of kiln kiln roasting 1h, crushing is ground Wear into 100 mesh powder, it is finely ground after produce modified meerschaum.
Wherein, the organic fiber is starched for wood-fibred, and the cellulose thickener is hydroxyethyl cellulose.
A kind of preparation method of high-strength ceramic brick is also provided in the present embodiment, comprised the following steps：
（1）, prepare stalk coated particle
First, diatomite, attapulgite modified, organic fiber, rubber particle, waterglass and cellulose family is weighed according to proportioning to increase Thick dose；
Secondly, diatomite, attapulgite modified and cellulose thickener are mixed, added in high-speed mixer, at 110 DEG C With 500r/min speed stirring mixing 20min, add waterglass and continue to stir after 10min, then add organic fiber and Rubber particle, continues that 15min is blended with 800r/min speed, sends into comminutor and granulate after drying, size controlling in 2mm, Stalk coated particle is produced, it is standby；
（2）, material mixing and be molded
Surplus stock is weighed according to proportioning, and adds step（1）Obtained stalk coated particle, mixture is obtained after mixing fully Material, is molded, then spontaneously dry 12h, dried products formed under the conditions of 30MPa using injection forming or casting mode In sintering 2h at 700 DEG C, the high-strength ceramic brick is obtained.
Embodiment 2
A kind of high-strength ceramic brick, includes the raw material of following part meter：
120 parts of pre-gelatinized starch；
Modified 100 parts of clay；
40 parts of waste glass powder；
40 parts of industrial solid castoff；
30 parts of stalk coated particle；
10 parts of dolomite；
10 parts of volcanic rock；
8 parts of graphene；
8 parts of nano titanium oxide；
6 parts of foaming agent；
150 parts of water；
The stalk coated particle includes the raw material that following part is counted：6 parts of diatomite, 6 parts of modified meerschaum, 5 parts of organic fiber, rubber 3 parts of 4 parts of glue particulate, 3 parts of waterglass and cellulose thickener.
Wherein, the pre-gelatinized starch is pre-gelatinized converted starch, and the pre-gelatinized converted starch is by ative starch by pre- Technique productions are gelatinized, then are obtained through denaturation treatment, the ative starch is tapioca, the denaturation treatment is denatured for crosslinking.
Wherein, the preparation method of the modified clay is：Clay is put into the sulfuric acid solution that concentration is 10%, mixing is stirred It is 5 to mix and adjust slurry pH value, keeps 90 DEG C of heating water bath 40min, and filtering is washed with distilled water to neutrality, dried, 400 DEG C calcining 5h, crush, cross 120 mesh sieves, be put into the concentration of 15 times of parts by weight for 3mol/L titanium tetrachloride aqueous solutions be well mixed, so After add dispersant, the ultrasonic disperse 5h under the conditions of 60 DEG C, filtering, be washed with distilled water to neutrality, dry, 90 DEG C calcining 4h, is cooled to room temperature and obtains being modified clay.
Wherein, the waste glass powder is quartz glass, and the industrial solid castoff is slag, and the foaming agent is nitridation Silicon.
Wherein, the preparation method of the modified meerschaum is：Sepiolite is placed in 500 DEG C of kiln kiln roasting 4h, crushing is ground Wear into 180 mesh powder, it is finely ground after produce modified meerschaum.
Wherein, the organic fiber is starched for grass fiber, and the cellulose thickener is hydroxyethylmethylcellulose.
A kind of preparation method of high-strength ceramic brick is also provided in the present embodiment, comprised the following steps：
（1）, prepare stalk coated particle
First, diatomite, attapulgite modified, organic fiber, rubber particle, waterglass and cellulose family is weighed according to proportioning to increase Thick dose；
Secondly, diatomite, attapulgite modified and cellulose thickener are mixed, added in high-speed mixer, at 120 DEG C With 800r/min speed stirring mixing 30min, add waterglass and continue to stir after 15min, then add organic fiber and Rubber particle, continues that 20min is blended with 900r/min speed, sends into comminutor and granulate after drying, size controlling in 4mm, Stalk coated particle is produced, it is standby；
（2）, material mixing and be molded
Surplus stock is weighed according to proportioning, and adds step（1）Obtained stalk coated particle, mixture is obtained after mixing fully Material, is molded, then spontaneously dry 24h, dried products formed under the conditions of 80MPa using injection forming or casting mode In sintering 4h at 800 DEG C, the high-strength ceramic brick is obtained.
Embodiment 3
A kind of high-strength ceramic brick, includes the raw material of following part meter：
110 parts of pre-gelatinized starch；
Modified 95 parts of clay；
35 parts of waste glass powder；
35 parts of industrial solid castoff；
25 parts of stalk coated particle；
6 parts of dolomite；
6 parts of volcanic rock；
5 parts of graphene；
5 parts of nano titanium oxide；
4 parts of foaming agent；
125 parts of water；
The stalk coated particle includes the raw material that following part is counted：3.5 parts of diatomite, 3.5 parts of modified meerschaum, organic fiber 2 parts of 3.5 parts, 3 parts of rubber particle, 2 parts of waterglass and cellulose thickener.
Wherein, the pre-gelatinized starch is pre-gelatinized converted starch, and the pre-gelatinized converted starch is by ative starch by pre- Technique productions are gelatinized, then are obtained through denaturation treatment, the ative starch is tapioca, the denaturation treatment is oxidative deformation.
Wherein, the preparation method of the modified clay is：Clay is put into the sulfuric acid solution that concentration is 7%, mixed And it is 4 to adjust slurry pH value, 85 DEG C of heating water bath 35min are kept, filtering is washed with distilled water to neutrality, dried, at 350 DEG C 4h is calcined, is crushed, 110 mesh sieves are crossed, the concentration of 12 times of parts by weight is put into and is well mixed for 2mol/L titanium tetrachloride aqueous solutions, then Dispersant is added, the ultrasonic disperse 4h under the conditions of 55 DEG C, filtering is washed with distilled water to neutrality, dried, in 85 DEG C of calcinings 3.5h, is cooled to room temperature and obtains being modified clay.
Wherein, the waste glass powder is high osmanthus oxygen glass, and the industrial solid castoff is industrial and mineral flue dust, the foaming Agent is boron nitride.
Wherein, the preparation method of the modified meerschaum is：Sepiolite is placed in 400 DEG C of kiln kiln roasting 3h, crushing is ground Wear into 140 mesh powder, it is finely ground after produce modified meerschaum.
Wherein, the organic fiber is mixed plant fiber pulp, and the cellulose thickener is hydroxypropyl methyl fiber Element.
A kind of preparation method of high-strength ceramic brick is also provided in the present embodiment, comprised the following steps：
（1）, prepare stalk coated particle
First, diatomite, attapulgite modified, organic fiber, rubber particle, waterglass and cellulose family is weighed according to proportioning to increase Thick dose；
Secondly, diatomite, attapulgite modified and cellulose thickener are mixed, added in high-speed mixer, at 115 DEG C With 650r/min speed stirring mixing 25min, add waterglass and continue to stir after 12min, then add organic fiber and Rubber particle, continues that 17min is blended with 850r/min speed, sends into comminutor and granulate after drying, size controlling in 3mm, Stalk coated particle is produced, it is standby；
（2）, material mixing and be molded
Surplus stock is weighed according to proportioning, and adds step（1）Obtained stalk coated particle, mixture is obtained after mixing fully Material, is molded, then spontaneously dry 20h, dried products formed under the conditions of 55MPa using injection forming or casting mode In sintering 3h at 750 DEG C, the high-strength ceramic brick is obtained.
The present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, its according to The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equally replaced Change.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention Protection domain within.

Claims (10)

1. a kind of high-strength ceramic brick, it is characterised in that the raw material counted including following part：100 ~ 120 parts of pre-gelatinized starch, modification 90 ~ 100 parts of clay, 30 ~ 40 parts of waste glass powder, 30 ~ 40 parts of industrial solid castoff, 20 ~ 30 parts of stalk coated particle, dolomite 100 ~ 150 parts of 2 ~ 10 parts, 2 ~ 10 parts of volcanic rock, 2 ~ 8 parts of graphene, 2 ~ 8 parts of nano titanium oxide, 2 ~ 6 parts of foaming agent and water；
The stalk coated particle includes the raw material that following part is counted：1 ~ 6 part of diatomite, 1 ~ 6 part of modified meerschaum, organic fiber 2 ~ 1 ~ 3 part of 5 parts, 2 ~ 4 parts of rubber particle, 1 ~ 3 part of waterglass and cellulose thickener.
2. high-strength ceramic brick according to claim 1, it is characterised in that the raw material counted including following part：Pre-gelatinized is formed sediment 110 parts of powder, modified 95 parts of clay, 35 parts of waste glass powder, 35 parts of industrial solid castoff, 25 parts of stalk coated particle, dolomite 6 Part, 6 parts of volcanic rock, 5 parts of graphene, 5 parts of nano titanium oxide, 4 parts of foaming agent and 125 parts of water；
The stalk coated particle includes the raw material that following part is counted：3.5 parts of diatomite, 3.5 parts of modified meerschaum, organic fiber 2 parts of 3.5 parts, 3 parts of rubber particle, 2 parts of waterglass and cellulose thickener.
3. high-strength ceramic brick according to claim 1, it is characterised in that the pre-gelatinized starch is that pre-gelatinized is denatured shallow lake Powder, the pre-gelatinized converted starch passes through pre-gelatinized technique productions by ative starch, then is obtained through denaturation treatment, and the ative starch is Cornstarch or tapioca, the denaturation treatment are oxidative deformation or crosslinking denaturation.
4. high-strength ceramic brick according to claim 1, it is characterised in that the preparation method of the modified clay is：Will Clay is put into the sulfuric acid solution that concentration is 5 ~ 10%, and it is 3 ~ 5 to mix and adjust slurry pH value, keeps 80 ~ 90 DEG C of water-baths to add 30 ~ 40min of heat, filtering, is washed with distilled water to neutrality, dries, and 3 ~ 5h is calcined at 300 ~ 400 DEG C, crushes, and crosses 100 ~ 120 mesh Sieve, is put into the concentration of 10 ~ 15 times of parts by weight and is well mixed for 1.5 ~ 3mol/L titanium tetrachloride aqueous solutions, then add dispersant, 3 ~ 5h of ultrasonic disperse under the conditions of 50 ~ 60 DEG C, filtering, is washed with distilled water to neutrality, dries, and 3 ~ 4h is calcined at 80 ~ 90 DEG C, cold But obtain being modified clay to room temperature.
5. ceramic inner wall brick according to claim 1, it is characterised in that the waste glass powder is soda-lime-silica glass, quartz Any of glass, high osmanthus oxygen glass, lead silicate glass, alumina silicate glass and borosilicate glass.
6. ceramic inner wall brick according to claim 1, it is characterised in that the industrial solid castoff is Iron-ore Slag, steel Any of slag, industrial and mineral flue dust and waste mining rock.
7. high-strength ceramic brick according to claim 1, it is characterised in that the foaming agent is carborundum, silicon nitride, nitrogen Change one or more of mixtures in boron.
8. high-strength ceramic brick according to claim 1, it is characterised in that the preparation method of the modified meerschaum is： Sepiolite is placed in 300 ~ 500 DEG C of kiln 1 ~ 4h of kiln roasting, attrition grinding into 100 ~ 180 mesh powder, it is finely ground after produce modified sea Afrodite.
9. high-strength ceramic brick according to claim 1, it is characterised in that the organic fiber is wood-fibred slurry, grass fibre Any of dimension slurry, mixed plant fiber pulp and secondary stock, the cellulose thickener are hydroxyethyl cellulose, ethoxy At least one of methylcellulose and hydroxypropyl methyl cellulose.
10. a kind of preparation method of high-strength ceramic brick according to any one of claim 1 ~ 9, it is characterised in that including Following steps：
（1）, prepare stalk coated particle
First, diatomite, attapulgite modified, organic fiber, rubber particle, waterglass and cellulose family is weighed according to proportioning to increase Thick dose；
Secondly, diatomite, attapulgite modified and cellulose thickener are mixed, added in high-speed mixer, 110 ~ 120 With 500 ~ 800r/min speed stirring 20 ~ 30min of mixing at DEG C, add waterglass and continue to stir after 10 ~ 15min, then Organic fiber and rubber particle are added, continues that 15 ~ 20min is blended with 800 ~ 900r/min speed, comminutor is sent into after drying Middle granulation, size controlling produces stalk coated particle in 2 ~ 4mm, standby；
（2）, material mixing and be molded
Surplus stock is weighed according to proportioning, and adds step（1）Obtained stalk coated particle, mixture is obtained after mixing fully Material, is molded under the conditions of 30~80MPa using injection forming or casting mode, then spontaneously dries 12~24h, after drying Products formed at 700~800 DEG C sinter 2~4h, obtain the high-strength ceramic brick.
CN201710459844.6A 2017-06-17 2017-06-17 A kind of high-strength ceramic brick and preparation method thereof Withdrawn CN107226677A (en)

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CN108558353A (en) * 2018-01-25 2018-09-21 合肥市大卓电力有限责任公司 A kind of diatomite environment-friendly insulating brick and preparation method thereof
CN108751943A (en) * 2018-08-25 2018-11-06 合肥汉甲陶瓷科技有限公司 A kind of high-intensity anti-cracking pottery brick
CN109320204A (en) * 2018-11-09 2019-02-12 天元羲王控股有限公司 A kind of graphene modified ceramic brick and preparation method thereof
CN112939585A (en) * 2021-04-09 2021-06-11 湖北中烟工业有限责任公司 Al (aluminum)2O3Preparation method and application of porous ceramic
CN116514162A (en) * 2023-05-16 2023-08-01 广东惠云钛业股份有限公司 Preparation method and application of high-transparency impact-resistant rutile type titanium dioxide ceramic glaze

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CN108558353A (en) * 2018-01-25 2018-09-21 合肥市大卓电力有限责任公司 A kind of diatomite environment-friendly insulating brick and preparation method thereof
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CN116514162A (en) * 2023-05-16 2023-08-01 广东惠云钛业股份有限公司 Preparation method and application of high-transparency impact-resistant rutile type titanium dioxide ceramic glaze

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