CN104944980A - Preparation method of wear-resistant corrosion-resistant brick - Google Patents

Preparation method of wear-resistant corrosion-resistant brick Download PDF

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Publication number
CN104944980A
CN104944980A CN201510286143.8A CN201510286143A CN104944980A CN 104944980 A CN104944980 A CN 104944980A CN 201510286143 A CN201510286143 A CN 201510286143A CN 104944980 A CN104944980 A CN 104944980A
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Prior art keywords
powder
parts
fine powder
wear
resistant
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CN201510286143.8A
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Chinese (zh)
Inventor
梁运富
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Liuzhou Pu Ya Trade Co Ltd
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Liuzhou Pu Ya Trade Co Ltd
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Priority to CN201510286143.8A priority Critical patent/CN104944980A/en
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Abstract

The invention discloses a preparation method of a wear-resistant corrosion-resistant brick, which relates to the technical filed of refractory material manufacture. The wear-resistant corrosion-resistant brick comprises the following raw materials by weight part: 30-40 parts of mullite powder, 10-20 parts of silicon carbide fine powder, 3-5 parts of alumina micro powder, 5-15 parts of sillimanite fine powder, 3-5 parts of silicon powder, and 5-15 parts of Guangxi clay. The wear-resistant corrosion-resistant brick can be made by steps of burdening, mixing, blank making, drying and sintering. Compared with prior art, the wear-resistant corrosion-resistant brick has the advantages of high temperature resistance, good anti-thermal shock performance, high wear resistance and corrosion resistance, difficult wearing and damage due to erosion, and long usage life.

Description

The preparation method of wear resistant corrosion resistant brick
Technical field
The present invention relates to refractory materials manufacturing technology field, especially a kind of preparation method of wear resistant corrosion resistant brick.
Background technology
In industrial production, many Thermal Equipments need with refractory brick, as will high temperature be born with the place of bed of material contact friction in cement rotary kiln, anti-thermal shock, also to resist erosion and the wearing and tearing of manufacture of cement material, because the refractory brick produced at present is high temperature resistant, thermal shock resistance is good, but wear resistance and erosion resistance low, easy wearing and tearing and suffer erosion and damage, work-ing life is short.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of preparation method of wear resistant corrosion resistant brick, with the problem that the refractory brick wear resistance and erosion resistance that solve production are at present low.
In order to solve the problem, the technical solution used in the present invention is: the preparation method of this wear resistant corrosion resistant brick, comprises the raw material of following weight part: mullite powder 30 parts ~ 40 parts, carbide fine powder 10 parts ~ 20 parts, alumina powder 3 parts ~ 5 parts, sillimanite fine powder 5 parts ~ 15 parts, silicon powder 3 parts ~ 5 parts, Guangxi clay 5 parts ~ 15 parts;
Operation steps is as follows:
A. mullite powder, carbide fine powder, alumina powder, sillimanite fine powder, silicon powder, Guangxi clay is taken by the weight part of above-mentioned each raw material, for subsequent use;
B. described mullite powder, described carbide fine powder, described sillimanite fine powder are put into mixer, mixing 2min ~ 3min, then described Guangxi clay and the water accounting for raw material gross weight 2% ~ 3% is added, mixing 2min ~ 3min, add described alumina powder and described silicon powder again, mixing 10 min ~ 15min, obtain compound;
C. adopt brick pressing machine by the compression moulding of step b gained compound, make adobe;
D. described adobe at the temperature of 80 DEG C ~ 100 DEG C dry 2 days ~ 3 days;
E. calcining kiln is put in the adobe of steps d gained, sinter at 1450 DEG C ~ 1550 DEG C temperature, obtain this wear resistant corrosion resistant brick.
In preparation method's technical scheme of above-mentioned wear resistant corrosion resistant brick, technical scheme can also be more specifically: the particle diameter of described carbide fine powder and described sillimanite fine powder is 40 μm ~ 80 μm; Particle diameter≤5 μm of described alumina powder and described silicon powder.
Described mullite is the mineral that aluminosilicate at high temperature generates, have high temperature resistant, intensity high thermal conductivity coefficient is little, the features such as energy-saving effect is remarkable, mullite ore deposit be used to produce high-temperature refractory.
Described silicon carbide, formed by resistance furnace pyrotic smelting with raw materials such as quartz sand, refinery coke (or coal tar), wood chips, its stable chemical performance, thermal conductivity are high, thermal expansivity is little, wear resisting property is good, in order to the high grade refractory made, resistance to thermal shock, volume are little, lightweight and intensity is high, good energy-conserving effect.
Described aluminum oxide, through chemical treatment by bauxitic clay raw material, remove the oxide compound of silicon, iron, titanium etc. and obtain, can be widely used in the strengthening and toughening of the products such as various plastics, rubber, pottery, refractory materials, the wear resisting property particularly improving the compactness of pottery, smooth finish, cool-hot fatigue, fracture toughness property, creep-resistant property and macromolecular material product is particularly remarkable.
Described sillimanite, is a kind of brown, light green, light blue or white glassy silicate minerals, becomes mullite, can do high grade refractory when being heated to 1300 DEG C.
Described silicon powder, by natural quartz or the fused quartz micro mist through multiple tracks processes such as fragmentation, ball milling, flotation, pickling purification, high purity water process, possess that temperature tolerance is good, the excellent performance such as acid-alkali-corrosive-resisting, poor thermal conductivity, high insulation, low bulk, stable chemical performance, hardness are large, be widely used in the fields such as chemical industry, electronics, coating, senior paint.
Described Guangxi clay, it is the soft flame-proof clay that a kind of plasticity-is good, its granularity is superfine, the loose property of leaching and cohesiveness also fine, sintering range is wide, containing kaolinite often more than 70%, and based on disordered kaolinite, can significantly increase its plasticity-and folding strength, be high-quality bonding clay used for refractory material.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
The present invention adopts mullite powder, carbide fine powder, sillimanite fine powder to be main raw material, alumina powder, silicon powder and Guangxi clay are bonding agent, through batching, mixing, base, drying, fire wear resistant corrosion resistant brick, this wear resistant corrosion resistant brick is not only high temperature resistant, thermal shock resistance is good, and wear resistance and erosion resistance high, not easy to wear and suffer erosion and damage, long service life.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
A preparation method for wear resistant corrosion resistant brick, comprises the raw material of following weight part: mullite powder 300 kilograms, carbide fine powder 100 kilograms, alumina powder 30 kilograms, sillimanite fine powder 50 kilograms, silicon powder 30 kilograms, Guangxi clay 50 kilograms; The carbide fine powder of the present embodiment and the particle diameter of sillimanite fine powder are 40 μm; The particle diameter of alumina powder and silicon powder is 5 μm.
Operation steps is as follows:
A. mullite powder, carbide fine powder, alumina powder, sillimanite fine powder, silicon powder, Guangxi clay is taken by the weight part of above-mentioned each raw material, for subsequent use;
B. mullite powder, carbide fine powder, sillimanite fine powder are put into mixer, mixing 2min, then add Guangxi clay and account for the water of raw material gross weight 2%, mixing 2min, then add alumina powder and silicon powder carries out mixing 10 min, obtain compound;
C. adopt brick pressing machine by the compression moulding of step b gained compound, make adobe;
D. adobe at the temperature of 80 DEG C dry 2 days;
E. calcining kiln is put in the adobe of steps d gained, sinter at 1450 DEG C of temperature, obtain this wear resistant corrosion resistant brick.
Embodiment 2
A preparation method for wear resistant corrosion resistant brick, comprises the raw material of following weight part: mullite powder 400 kilograms, carbide fine powder 200 kilograms, alumina powder 50 kilograms, sillimanite fine powder 150 kilograms, silicon powder 50 kilograms, Guangxi clay 150 kilograms; The carbide fine powder of the present embodiment and the particle diameter of sillimanite fine powder are 80 μm; The particle diameter < of alumina powder and silicon powder 5 μm.
Operation steps is as follows:
A. mullite powder, carbide fine powder, alumina powder, sillimanite fine powder, silicon powder, Guangxi clay is taken by the weight part of above-mentioned each raw material, for subsequent use;
B. mullite powder, carbide fine powder, sillimanite fine powder are put into mixer, mixing 3min, then add Guangxi clay and account for the water of raw material gross weight 3%, mixing 3min, then add alumina powder and silicon powder carries out mixing 15min, obtain compound;
C. adopt brick pressing machine by the compression moulding of step b gained compound, make adobe;
D. adobe at the temperature of 100 DEG C dry 3 days;
E. calcining kiln is put in the adobe of steps d gained, sinter at 1550 DEG C of temperature, obtain this wear resistant corrosion resistant brick.

Claims (2)

1. a preparation method for wear resistant corrosion resistant brick, is characterized in that the raw material comprising following weight part: mullite powder 30 parts ~ 40 parts, carbide fine powder 10 parts ~ 20 parts, alumina powder 3 parts ~ 5 parts, sillimanite fine powder 5 parts ~ 15 parts, silicon powder 3 parts ~ 5 parts, Guangxi clay 5 parts ~ 15 parts;
Operation steps is as follows:
A. mullite powder, carbide fine powder, alumina powder, sillimanite fine powder, silicon powder, Guangxi clay is taken by the weight part of above-mentioned each raw material, for subsequent use;
B. described mullite powder, described carbide fine powder, described sillimanite fine powder are put into mixer, mixing 2min ~ 3min, then the water of described Guangxi clay and raw material gross weight 2% ~ 3% is added, mixing 2min ~ 3min, add described alumina powder and described silicon powder again, mixing 10 min ~ 15min, obtain compound;
C. adopt brick pressing machine by the compression moulding of step b gained compound, make adobe;
D. described adobe at the temperature of 80 DEG C ~ 100 DEG C dry 2 days ~ 3 days;
E. calcining kiln is put in the adobe of steps d gained, sinter at 1450 DEG C ~ 1550 DEG C temperature, obtain this wear resistant corrosion resistant brick.
2. the preparation method of wear resistant corrosion resistant brick according to claim 1, is characterized in that: the particle diameter of described carbide fine powder and described sillimanite fine powder is 40 μm ~ 80 μm; Particle diameter≤5 μm of described alumina powder and described silicon powder.
CN201510286143.8A 2015-05-29 2015-05-29 Preparation method of wear-resistant corrosion-resistant brick Pending CN104944980A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106608728A (en) * 2015-10-21 2017-05-03 山东潍坊润丰化工股份有限公司 By-product industrial salt melting furnace having effect of reducing precipitation of metal ions
CN106608729A (en) * 2015-10-21 2017-05-03 山东潍坊润丰化工股份有限公司 Method for avoiding metal ion precipitation in by-product industrial salt melting treatment
CN107010969A (en) * 2017-04-21 2017-08-04 常州市好利莱光电科技有限公司 A kind of preparation method of high-alumina brick
CN107382335A (en) * 2017-06-30 2017-11-24 徐州苏牌高温新材料有限公司 A kind of high-strength heat shock resistant refractory brick
CN110423104A (en) * 2019-08-21 2019-11-08 郑州明珠实业有限公司 A kind of alumina bubble brick and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1235134A (en) * 1999-06-07 1999-11-17 李博文 High temperature self-strengthening silicon carbide refractory casting material and production thereof
CN1800087A (en) * 2006-01-16 2006-07-12 宜兴市宝欣耐火材料有限公司 Highly heatproof and shockproof mullite-cordierite refractory composition
CN1854106A (en) * 2005-04-18 2006-11-01 宜兴市诺明高温耐火材料有限公司 Mullite silicon carbide refractory material for production of dry coke and its production
CN102674858A (en) * 2012-05-22 2012-09-19 宜兴市恒祥耐火材料有限公司 Plastic composite-phase anti-stripping and wear-resisting mullite brick and preparation method thereof
CN103130515A (en) * 2011-12-02 2013-06-05 河南省新密市青屏耐火材料有限责任公司 Mullite brick used for dry quenching stove

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1235134A (en) * 1999-06-07 1999-11-17 李博文 High temperature self-strengthening silicon carbide refractory casting material and production thereof
CN1854106A (en) * 2005-04-18 2006-11-01 宜兴市诺明高温耐火材料有限公司 Mullite silicon carbide refractory material for production of dry coke and its production
CN1800087A (en) * 2006-01-16 2006-07-12 宜兴市宝欣耐火材料有限公司 Highly heatproof and shockproof mullite-cordierite refractory composition
CN103130515A (en) * 2011-12-02 2013-06-05 河南省新密市青屏耐火材料有限责任公司 Mullite brick used for dry quenching stove
CN102674858A (en) * 2012-05-22 2012-09-19 宜兴市恒祥耐火材料有限公司 Plastic composite-phase anti-stripping and wear-resisting mullite brick and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106608728A (en) * 2015-10-21 2017-05-03 山东潍坊润丰化工股份有限公司 By-product industrial salt melting furnace having effect of reducing precipitation of metal ions
CN106608729A (en) * 2015-10-21 2017-05-03 山东潍坊润丰化工股份有限公司 Method for avoiding metal ion precipitation in by-product industrial salt melting treatment
CN107010969A (en) * 2017-04-21 2017-08-04 常州市好利莱光电科技有限公司 A kind of preparation method of high-alumina brick
CN107382335A (en) * 2017-06-30 2017-11-24 徐州苏牌高温新材料有限公司 A kind of high-strength heat shock resistant refractory brick
CN110423104A (en) * 2019-08-21 2019-11-08 郑州明珠实业有限公司 A kind of alumina bubble brick and preparation method thereof

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Application publication date: 20150930