CN109437934A - A kind of mullite composite refractory brick - Google Patents
A kind of mullite composite refractory brick Download PDFInfo
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- CN109437934A CN109437934A CN201811497624.3A CN201811497624A CN109437934A CN 109437934 A CN109437934 A CN 109437934A CN 201811497624 A CN201811497624 A CN 201811497624A CN 109437934 A CN109437934 A CN 109437934A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
- C04B35/185—Mullite 3Al2O3-2SiO2
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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Abstract
The invention discloses a kind of mullite composite refractory brick, the component including following parts by weight: 45-70 parts of mullite, 15-30 parts of bauxite, 5-15 parts of kaolin, 7-15 parts of flyash, 5-10 parts of electro-corundum, 7-15 parts of ball clay, 5-9 parts of six ring stone, 3-7 parts of marble, 3-8 parts of obsidian, 2-5 parts of calcite, fiery 4-9 parts of rock mud, 1-4 parts of andalusite, 1-4 parts of sillimanite, 25-55 parts of pulp-water；The preparation method of mullite composite refractory brick includes the following steps: S1, weighs above-mentioned raw materials according to weight, carries out mixed grind, obtains prefabricated pug；S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；S3, adobe obtained in step S2 is taken, be placed at 65-120 DEG C, dry 25-30h, the adobe after obtained drying；S4, the adobe after drying obtained in step S3 is taken, be placed at 1560-1680 DEG C, calcined 12-18h, obtain the mullite composite refractory brick；Mullite composite refractory brick in the present invention has fire resistance good, and preparation process is simple, advantage easy to industrialized production.
Description
Technical field
The present invention relates to field of new materials, more particularly to a kind of mullite composite refractory brick.
Background technique
Mullite firebrick is using mullite as the high alumina refractories of principal crystalline phase.General alumina content is in 65%-
Between 75%.Mineral composition is in addition to mullite, wherein salic junior also contains a small amount of glass phase and cristobalite；Containing oxidation
Aluminium the higher person also contains a small amount of corundum.The refractoriness of mullite firebrick is higher, up to 1790 DEG C or more.Loading softening starts temperature
1600-1700 DEG C of degree.Cold crushing strength 70-260MPa.Thermal shock resistance is good.Mullite firebrick have fused mullite brick and
Two kinds of electric cast mullite brick.Fused mullite brick is added a small amount of clay or raw bauxite is made using bauxite chamotte as primary raw material
Bonding agent is made through molding, firing.Electric cast mullite brick is added using high alumina, commercial alumina and refractory clay as raw material
Charcoal or coke particulate make reducing agent, are manufactured after molding using reduction electric smelting method.The crystallization of electrofused mullite does not come than sintering
Shi great, thermal shock resistance are better than sintered article.Their high-temperature behavior depends primarily on the content and mullite phase and glass of aluminium oxide
The uniformity of glass distribution.It is mainly used for air heating furnace roof, blast-furnace shaft and furnace bottom, glass melter regenerative chamber, ceramic sintering kiln, stone
Oil-breaking system dead angle furnace lining etc..
Summary of the invention
To make up for the shortcomings of the above existing technologies, the present invention proposes a kind of mullite composite refractory brick.
Technical problem of the invention is resolved by technical solution below:
A kind of mullite composite refractory brick, the component including following parts by weight: 45-70 parts of mullite, bauxite 15-30
Part, 5-15 parts of kaolin, 7-15 parts of flyash, 5-10 parts of electro-corundum, 7-15 parts of ball clay, 5-9 parts of six ring stone, marble 3-
7 parts, 3-8 parts of obsidian, 2-5 parts of calcite, fiery 4-9 parts of rock mud, 1-4 parts of andalusite, 1-4 parts of sillimanite, pulp-water 25-55
Part；The preparation method of the mullite composite refractory brick, includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 65-120 DEG C, dry 25-30h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1560-1680 DEG C, calcine 12-18h, obtained described
Mullite composite refractory brick.
In some preferred embodiments, the mullite composite refractory brick includes the component of following parts by weight: mullite
55-60 parts, 22-28 parts of bauxite, 8-12 parts of kaolin, 10-12 parts of flyash, 6-8 parts of electro-corundum, 8-10 parts of ball clay,
Six 6-8 parts of ring stones, 5-7 parts of marble, 4-6 parts of obsidian, 3-5 parts of calcite, fiery 6-8 parts of rock mud, 2-4 parts of andalusite, silicon line
1-3 parts of stone, 35-45 parts of pulp-water；The preparation method of the mullite composite refractory brick, includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 85-100 DEG C, dry 26-28h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1600-1640 DEG C, calcine 14-16h, obtained described
Mullite composite refractory brick.
In some preferred embodiments, the mullite composite refractory brick includes the component of following parts by weight: mullite
58 parts, 24 parts of bauxite, 10 parts of kaolin, 11 parts of flyash, 7 parts of electro-corundum, 9 parts of ball clay, 7 parts of six ring stone, marble 6
Part, 5 parts of obsidian, 4 parts of calcite, fiery 7 parts of rock mud, 3 parts of andalusite, 2 parts of sillimanite, 38 parts of pulp-water；The mullite is multiple
The preparation method for closing refractory brick, includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 95 DEG C, dry 27h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1620 DEG C, calcine 15h, it is multiple to obtain the mullite
Close refractory brick.
The beneficial effect of the present invention compared with the prior art includes:
Mullite composite refractory brick in the present invention has fire resistance good, and preparation process is simple, easy to industrialized production
The advantages of.
Specific embodiment
The following further describes the present invention in combination with preferred embodiments.
Embodiment 1
Mullite composite refractory brick in the present embodiment, the component including following parts by weight: 45 parts of mullite, bauxite 15
Part, 5 parts of kaolin, 7 parts of flyash, 5 parts of electro-corundum, 7 parts of ball clay, 5 parts of six ring stone, 3 parts of marble, 3 parts of obsidian, side
Solve 2 parts of stone, fiery 4 parts of rock mud, 1 part of andalusite, 1 part of sillimanite, 25 parts of pulp-water；The preparation side of the mullite composite refractory brick
Method includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 65 DEG C, dry 25h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1560 DEG C, calcine 12h, it is multiple to obtain the mullite
Close refractory brick.
Embodiment 2
Mullite composite refractory brick in the present embodiment, the component including following parts by weight: 70 parts of mullite, bauxite 30
Part, 15 parts of kaolin, 15 parts of flyash, 10 parts of electro-corundum, 15 parts of ball clay, 9 parts of six ring stone, 7 parts of marble, obsidian 8
Part, 5 parts of calcite, fiery 9 parts of rock mud, 4 parts of andalusite, 4 parts of sillimanite, 55 parts of pulp-water；The mullite composite refractory brick
Preparation method includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 120 DEG C, dry 30h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1680 DEG C, calcine 18h, it is multiple to obtain the mullite
Close refractory brick.
Embodiment 3
Mullite composite refractory brick in the present embodiment, the component including following parts by weight: 58 parts of mullite, bauxite 24
Part, 10 parts of kaolin, 11 parts of flyash, 7 parts of electro-corundum, 9 parts of ball clay, 7 parts of six ring stone, 6 parts of marble, 5 parts of obsidian,
4 parts of calcite, fiery 7 parts of rock mud, 3 parts of andalusite, 2 parts of sillimanite, 38 parts of pulp-water；The preparation of the mullite composite refractory brick
Method includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 95 DEG C, dry 27h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1620 DEG C, calcine 15h, it is multiple to obtain the mullite
Close refractory brick.
Embodiment 4
Mullite composite refractory brick in the present embodiment, the component including following parts by weight: 45 parts of mullite, bauxite 15
Part, 5 parts of kaolin, 7 parts of flyash, 5 parts of electro-corundum, 7 parts of ball clay, 5 parts of six ring stone, 3 parts of marble, 3 parts of obsidian, side
Solve 2 parts of stone, fiery 4 parts of rock mud, 1 part of andalusite, 1 part of sillimanite, 25 parts of pulp-water；The preparation side of the mullite composite refractory brick
Method includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 120 DEG C, dry 30h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1680 DEG C, calcine 18h, it is multiple to obtain the mullite
Close refractory brick.
Embodiment 5
Mullite composite refractory brick in the present embodiment, the component including following parts by weight: 70 parts of mullite, bauxite 30
Part, 15 parts of kaolin, 15 parts of flyash, 10 parts of electro-corundum, 15 parts of ball clay, 9 parts of six ring stone, 7 parts of marble, obsidian 8
Part, 5 parts of calcite, fiery 9 parts of rock mud, 4 parts of andalusite, 4 parts of sillimanite, 55 parts of pulp-water；The mullite composite refractory brick
Preparation method includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 95 DEG C, dry 27h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1620 DEG C, calcine 15h, it is multiple to obtain the mullite
Close refractory brick.
Embodiment 6
Mullite composite refractory brick in the present embodiment, the component including following parts by weight: 58 parts of mullite, bauxite 24
Part, 10 parts of kaolin, 11 parts of flyash, 7 parts of electro-corundum, 9 parts of ball clay, 7 parts of six ring stone, 6 parts of marble, 5 parts of obsidian,
4 parts of calcite, fiery 7 parts of rock mud, 3 parts of andalusite, 2 parts of sillimanite, 38 parts of pulp-water；The preparation of the mullite composite refractory brick
Method includes the following steps:
S1, weighed according to above-mentioned weight mullite, bauxite, kaolin, flyash, electro-corundum, ball clay,
Six ring stones, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated mud
Material；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 65 DEG C, dry 25h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1560 DEG C, calcine 12h, it is multiple to obtain the mullite
Close refractory brick.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those skilled in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, several equivalent substitute or obvious modifications can also be made, and performance or use is identical, all answered
When being considered as belonging to protection scope of the present invention.
Claims (3)
1. a kind of mullite composite refractory brick, which is characterized in that the component including following parts by weight: 45-70 parts of mullite, aluminium alum
15-30 parts native, 5-15 parts of kaolin, 7-15 parts of flyash, 5-10 parts of electro-corundum, 7-15 parts of ball clay, 5-9 parts of six ring stone,
3-7 parts of marble, 3-8 parts of obsidian, 2-5 parts of calcite, fiery 4-9 parts of rock mud, 1-4 parts of andalusite, 1-4 parts of sillimanite, paper pulp
25-55 parts of water；The preparation method of the mullite composite refractory brick, includes the following steps:
S1, mullite, bauxite, kaolin, flyash, electro-corundum, ball clay, six rings are weighed according to above-mentioned weight
Stone, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated pug；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 65-120 DEG C, dry 25-30h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1560-1680 DEG C, calcine 12-18h, obtained described not next
Stone composite refractory brick.
2. mullite composite refractory brick as described in claim 1, which is characterized in that the component including following parts by weight: Mo Lai
55-60 parts of stone, 22-28 parts of bauxite, 8-12 parts of kaolin, 10-12 parts of flyash, 6-8 parts of electro-corundum, ball clay 8-10
Part, 6-8 parts of six ring stone, 5-7 parts of marble, 4-6 parts of obsidian, 3-5 parts of calcite, fiery 6-8 parts of rock mud, 2-4 parts of andalusite, silicon
1-3 parts of line stone, 35-45 parts of pulp-water；The preparation method of the mullite composite refractory brick, includes the following steps:
S1, mullite, bauxite, kaolin, flyash, electro-corundum, ball clay, six rings are weighed according to above-mentioned weight
Stone, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated pug；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 85-100 DEG C, dry 26-28h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1600-1640 DEG C, calcine 14-16h, obtained described not next
Stone composite refractory brick.
3. mullite composite refractory brick as described in claim 1, which is characterized in that the component including following parts by weight: Mo Lai
58 parts of stone, 24 parts of bauxite, 10 parts of kaolin, 11 parts of flyash, 7 parts of electro-corundum, 9 parts of ball clay, 7 parts of six ring stone, Dali
6 parts of stone, 5 parts of obsidian, 4 parts of calcite, fiery 7 parts of rock mud, 3 parts of andalusite, 2 parts of sillimanite, 38 parts of pulp-water；The mullite
The preparation method of composite refractory brick, includes the following steps:
S1, mullite, bauxite, kaolin, flyash, electro-corundum, ball clay, six rings are weighed according to above-mentioned weight
Stone, marble, obsidian, calcite, fiery rock mud, andalusite, sillimanite and pulp-water, carry out mixed grind, obtain prefabricated pug；
S2, it takes prefabricated pug obtained in step S1 to be suppressed, obtains adobe；
S3, adobe obtained in step S2 is taken, be placed at 95 DEG C, dry 27h, the adobe after obtained drying；
S4, the adobe after drying obtained in step S3 is taken, be placed at 1620 DEG C, calcined 15h, it is compound resistance to obtain the mullite
Firebrick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811497624.3A CN109437934A (en) | 2018-12-07 | 2018-12-07 | A kind of mullite composite refractory brick |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112500118A (en) * | 2020-12-23 | 2021-03-16 | 山东乐鹏新材料有限公司 | External wall heat insulation material and preparation method thereof |
| CN115849887A (en) * | 2022-11-23 | 2023-03-28 | 宜兴市丁山耐火器材有限公司 | High-thermal-shock low-creep mullite-based high-temperature complex-phase material and preparation method thereof |
| CN116253561A (en) * | 2022-12-28 | 2023-06-13 | 宜兴市隆昌耐火材料有限公司 | Production process of environment-friendly composite refractory brick for rotary kiln for preparing sulfuric acid from gypsum |
-
2018
- 2018-12-07 CN CN201811497624.3A patent/CN109437934A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112500118A (en) * | 2020-12-23 | 2021-03-16 | 山东乐鹏新材料有限公司 | External wall heat insulation material and preparation method thereof |
| CN112500118B (en) * | 2020-12-23 | 2022-06-24 | 山东乐鹏新材料有限公司 | External wall heat insulation material and preparation method thereof |
| CN115849887A (en) * | 2022-11-23 | 2023-03-28 | 宜兴市丁山耐火器材有限公司 | High-thermal-shock low-creep mullite-based high-temperature complex-phase material and preparation method thereof |
| CN115849887B (en) * | 2022-11-23 | 2024-01-30 | 宜兴市丁山耐火器材有限公司 | Mullite-based high-temperature composite material with high thermal shock and low creep and preparation method thereof |
| CN116253561A (en) * | 2022-12-28 | 2023-06-13 | 宜兴市隆昌耐火材料有限公司 | Production process of environment-friendly composite refractory brick for rotary kiln for preparing sulfuric acid from gypsum |
| CN116253561B (en) * | 2022-12-28 | 2024-01-26 | 宜兴市隆昌耐火材料有限公司 | Production process of environment-friendly composite refractory brick for rotary kiln for preparing sulfuric acid from gypsum |
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Application publication date: 20190308 |