CN108341677A - A kind of high-strength refractory brick and preparation method thereof - Google Patents
A kind of high-strength refractory brick and preparation method thereof Download PDFInfo
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- CN108341677A CN108341677A CN201810387553.5A CN201810387553A CN108341677A CN 108341677 A CN108341677 A CN 108341677A CN 201810387553 A CN201810387553 A CN 201810387553A CN 108341677 A CN108341677 A CN 108341677A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
Abstract
The invention discloses a kind of high-strength refractory bricks and preparation method thereof, are made of following raw material：Expanded perlite, diatomite tailing, alumina powder, silicon carbide micro-powder, graphene, gangue, alumine, fire clay, inorfil, bonding agent, water-reducing agent, foaming agent and deionized water.The high-strength light insulating fire brick of the present invention, using expanded perlite, diatomite tailing, alumina powder, silicon carbide micro-powder, graphene, gangue, alumine, fire clay, inorfil as main component, by the way that the auxiliary elements such as bonding agent, water-reducing agent, foaming agent are added, it is aided with the techniques such as mixing, foaming, high temperature firing, so that the high-strength refractory brick prepared has higher intensity and excellent fire resistance, and production cost is low, it disclosure satisfy that the requirement of industry, there is preferable application prospect.
Description
Technical field
The present invention relates to technical field of refractory materials, and in particular to a kind of high-strength refractory brick and preparation method thereof.
Background technology
Refractory brick is the refractory material with definite shape and size being fired into refractory clay or other refractory raw materials,
Faint yellow or brown, resistance to 1580 DEG C -1770 DEG C of high temperature are mainly used for building smelting furnace.It can divide to divide by process of preparing
To be fired into bricks, unburned brick, fused cast refractories, refratory insulating brick；It can be divided into standard size brick, common brick, specific bricks by shape and size
Deng.Refractory brick can be used as building the high temperature construction material and structural material of kiln and various Thermal Equipments, and at high temperature can be through
By various physicochemical changes and mechanism.Refractory brick includes chamotte brick, high-alumina brick, silica brick, magnesia brick etc..
Currently, refractory brick on the market there are intensity it is insufficient, fire resistance is poor the problems such as, when use, is easily damaged, and uses the longevity
It orders short.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of high-strength refractory brick and its preparation side are provided
Method has higher intensity and excellent fire resistance, and preparation method, it is easy to accomplish, it is suitable for large-scale industrial production.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of high-strength refractory brick is made of following raw material：15-30 parts of expanded perlite, diatomite tailing 20-40
It is part, 3-10 parts of alumina powder, 6-12 parts of silicon carbide micro-powder, 4-8 parts of graphene, 1-3 parts of gangue, 2-6 parts of alumine, resistance to
Fiery clay 2-5 parts, 3-8 parts of inorfil, 0.5-3.5 parts of bonding agent, 0.4-1.2 parts of water-reducing agent, 2-6 parts of foaming agent and deionization
40-60 parts of water.
Preferably, it is made of following raw material：22.5 parts of expanded perlite, 30 parts of diatomite tailing, aluminium oxide are micro-
6.5 parts of powder, 9 parts of silicon carbide micro-powder, 6 parts of graphene, 2 parts of gangue, 4 parts of alumine, 3.5 parts of fire clay, inorfil
50 parts of 5.5 parts, 1.5 parts of bonding agent, 0.8 part of water-reducing agent, 4 parts of foaming agent and deionized water.
Preferably, the expanded perlite is a kind of light filler of internal porous, bulk density 40-80kg/m3, grain
Diameter is in 5mm or less.
Preferably, the inorfil is one kind in sepiolite fibre, alumina silicate fibre, rock wool.
Preferably, the bonding agent is fine aluminium acid esters cement.
Preferably, the water-reducing agent is the polycarboxylate water-reducer that water-reducing rate is 40%.
Preferably, the foaming agent is dodecyl sodium sulfate, lauryl sodium sulfate or sodium secondary alkyl sulfonate.
The present invention also provides the preparation methods of above-mentioned high-strength refractory brick, include the following steps：
（1）According to proportioning weigh expanded perlite, diatomite tailing, alumina powder, silicon carbide micro-powder, graphene, gangue,
Alumine and fire clay are ground into 200-300 targeted fine powders, obtain mixed powder A；
（2）Mixture A is added in deionized water, and bonding agent, water-reducing agent, inorfil is added, is uniformly mixed and obtains slurry
B；
（3）Foaming agent is weighed, foaming agent and water are pressed 1：The ratio of 10-15 mixes, and foaming obtains foam C；
（4）By step（2）Obtained slurry B and step（3）Obtained foam C is uniformly mixed, and is then injected into mold and is poured into
Brick bat drying is then charged into high temperature furnace by adobe, is burnt into get high-strength refractory brick.
Preferably, the step（4）In, brick bat drying is divided to two sections of progress：First segment is low temperature drying, drying temperature 20-
30 DEG C, dry 20-30h；Second segment is high temperature drying, and drying temperature is 100-120 DEG C, drying time 18-24h, brick after drying
Base biodiversity content is controlled in 3-5%.
Preferably, the step（4）In, high temperature firing condition：3-5h is kept the temperature under 1300-1400 DEG C of high temperature.
Compared with prior art, the present invention has following advantageous effect：
（1）The high-strength light insulating fire brick of the present invention, it is micro- with expanded perlite, diatomite tailing, alumina powder, silicon carbide
Powder, graphene, gangue, alumine, fire clay, inorfil be main component, by be added bonding agent, water-reducing agent,
The auxiliary elements such as foaming agent are aided with the techniques such as mixing, foaming, high temperature firing so that the high-strength refractory brick of preparation has higher
Intensity and excellent fire resistance, and production cost is low, disclosure satisfy that the requirement of industry, has preferable application prospect.
（2）The high-strength refractory brick of the present invention largely utilizes expanded perlite, diatomite tailing, alumina powder, carbonization
The byproducts such as silicon powder, graphene realize expanded perlite, diatomite tailing, alumina powder, silicon carbide micro-powder, graphite
Alkene efficiently uses so that product, which is made, has the advantages that intensity is high, thermal coefficient low and high temperature reheating linear change rate on reheating is low etc., product
Performance is better than similar product, has reached the national standard of Related product.
（3）The present invention can form small gap by a small amount of inorfil of addition during applied at elevated temperature, can
Bursting for castable is placed, meanwhile, increase the intensity of refractory brick.
（4）Compared with existing product, simple process and low cost, properties of product are obviously improved product of the present invention, production
Refractory brick can be used for various Thermal Equipment thermal insulation layers, flame retardant coating, reaches energy saving, fire resisting double action, is conducive to promote and apply.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1
A kind of high-strength refractory brick is made of following raw material：15 parts of expanded perlite, 20 parts of diatomite tailing, oxidation
3 parts of aluminium micro mist, 6 parts of silicon carbide micro-powder, 4 parts of graphene, 1 part of gangue, 2 parts of alumine, 2 parts of fire clay, inorfil 3
Part, 0.5 part of bonding agent, 0.4 part of water-reducing agent, 2 parts of foaming agent and 40 parts of deionized water.
Wherein, the expanded perlite is a kind of light filler of internal porous, bulk density 40-80kg/m3, grain size
In 5mm or less.
Wherein, the inorfil is sepiolite fibre.
Wherein, the bonding agent is fine aluminium acid esters cement.
Wherein, the water-reducing agent is the polycarboxylate water-reducer that water-reducing rate is 40%.
Wherein, the foaming agent is dodecyl sodium sulfate.
The present invention also provides a kind of preparation methods of high-strength refractory brick, include the following steps：
（1）According to proportioning weigh expanded perlite, diatomite tailing, alumina powder, silicon carbide micro-powder, graphene, gangue,
Alumine and fire clay are ground into 200-300 targeted fine powders, obtain mixed powder A；
（2）Mixture A is added in deionized water, and bonding agent, water-reducing agent, inorfil is added, is uniformly mixed and obtains slurry
B；
（3）Foaming agent is weighed, foaming agent and water are pressed 1：10 ratio mixing, foaming obtain foam C；
（4）By step（2）Obtained slurry B and step（3）Obtained foam C is uniformly mixed, and is then injected into mold and is poured into
Brick bat drying is then charged into high temperature furnace by adobe, is burnt into get high-strength refractory brick.
Wherein, the step（4）In, brick bat drying is divided to two sections of progress：First segment is low temperature drying, 20 DEG C of drying temperature,
Dry 20-30h；Second segment is high temperature drying, and drying temperature is 100 DEG C, drying time 18h, and raw brick moisture content quality contains after drying
Amount control is in 3-5%.
Wherein, the step（4）In, high temperature firing condition：3h is kept the temperature under 1300 DEG C of high temperature.
Embodiment 2
A kind of high-strength refractory brick is made of following raw material：30 parts of expanded perlite, 40 parts of diatomite tailing, oxidation
10 parts of aluminium micro mist, 12 parts of silicon carbide micro-powder, 8 parts of graphene, 3 parts of gangue, 6 parts of alumine, 5 parts of fire clay, inorganic fibre
60 parts of 8 parts of dimension, 3.5 parts of bonding agent, 1.2 parts of water-reducing agent, 6 parts of foaming agent and deionized water.
Wherein, the expanded perlite is a kind of light filler of internal porous, bulk density 40-80kg/m3, grain size
In 5mm or less.
Wherein, the inorfil is alumina silicate fibre.
Wherein, the bonding agent is fine aluminium acid esters cement.
Wherein, the water-reducing agent is the polycarboxylate water-reducer that water-reducing rate is 40%.
Wherein, the foaming agent is lauryl sodium sulfate.
The present invention also provides a kind of preparation methods of high-strength refractory brick, include the following steps：
（1）According to proportioning weigh expanded perlite, diatomite tailing, alumina powder, silicon carbide micro-powder, graphene, gangue,
Alumine and fire clay are ground into 200-300 targeted fine powders, obtain mixed powder A；
（2）Mixture A is added in deionized water, and bonding agent, water-reducing agent, inorfil is added, is uniformly mixed and obtains slurry
B；
（3）Foaming agent is weighed, foaming agent and water are pressed 1：15 ratio mixing, foaming obtain foam C；
（4）By step（2）Obtained slurry B and step（3）Obtained foam C is uniformly mixed, and is then injected into mold and is poured into
Brick bat drying is then charged into high temperature furnace by adobe, is burnt into get high-strength refractory brick.
Wherein, the step（4）In, brick bat drying is divided to two sections of progress：First segment is low temperature drying, 30 DEG C of drying temperature,
Dry 30h；Second segment is high temperature drying, and drying temperature is 120 DEG C, drying time for 24 hours, it is dry after raw brick moisture content mass content control
System is in 3-5%.
Wherein, the step（4）In, high temperature firing condition：5h is kept the temperature under 1400 DEG C of high temperature.
Embodiment 3
A kind of high-strength refractory brick is made of following raw material：22.5 parts of expanded perlite, 30 parts of diatomite tailing, oxygen
Change 6.5 parts of aluminium micro mist, 9 parts of silicon carbide micro-powder, 6 parts of graphene, 2 parts of gangue, 4 parts of alumine, 3.5 parts of fire clay, nothing
50 parts of 5.5 parts of machine fiber, 1.5 parts of bonding agent, 0.8 part of water-reducing agent, 4 parts of foaming agent and deionized water.
Wherein, the expanded perlite is a kind of light filler of internal porous, bulk density 40-80kg/m3, grain size
In 5mm or less.
Wherein, the inorfil is rock wool.
Wherein, the bonding agent is fine aluminium acid esters cement.
Wherein, the water-reducing agent is the polycarboxylate water-reducer that water-reducing rate is 40%.
Wherein, the foaming agent is sodium secondary alkyl sulfonate.
The present invention also provides a kind of preparation methods of high-strength refractory brick, include the following steps：
（1）According to proportioning weigh expanded perlite, diatomite tailing, alumina powder, silicon carbide micro-powder, graphene, gangue,
Alumine and fire clay are ground into 200-300 targeted fine powders, obtain mixed powder A；
（2）Mixture A is added in deionized water, and bonding agent, water-reducing agent, inorfil is added, is uniformly mixed and obtains slurry
B；
（3）Foaming agent is weighed, foaming agent and water are pressed 1:12.5 ratio mixing, foaming obtain foam C；
（4）By step（2）Obtained slurry B and step（3）Obtained foam C is uniformly mixed, and is then injected into mold and is poured into
Brick bat drying is then charged into high temperature furnace by adobe, is burnt into get high-strength refractory brick.
Wherein, the step（4）In, brick bat drying is divided to two sections of progress：First segment is low temperature drying, 25 DEG C of drying temperature,
Dry 20-30h；Second segment is high temperature drying, and drying temperature is 110 DEG C, drying time 21h, and raw brick moisture content quality contains after drying
Amount control is in 3-5%.
Wherein, the step（4）In, high temperature firing condition：4h is kept the temperature under 1350 DEG C of high temperature.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of high-strength refractory brick, which is characterized in that be made of following raw material：15-30 parts of expanded perlite, diatom
Native tailing 20-40 parts, 3-10 parts of alumina powder, 6-12 parts of silicon carbide micro-powder, 4-8 parts of graphene, 1-3 parts of gangue, high alumina
2-6 parts of alumina, 2-5 parts of fire clay, 3-8 parts of inorfil, 0.5-3.5 parts of bonding agent, 0.4-1.2 parts of water-reducing agent, foaming agent
2-6 parts and 40-60 parts of deionized water.
2. high-strength refractory brick according to claim 1, which is characterized in that be made of following raw material：Expansion is precious
22.5 parts of pearl rock, 30 parts of diatomite tailing, 6.5 parts of alumina powder, 9 parts of silicon carbide micro-powder, 6 parts of graphene, 2 parts of gangue,
It 4 parts of alumine, 3.5 parts of fire clay, 5.5 parts of inorfil, 1.5 parts of bonding agent, 0.8 part of water-reducing agent, 4 parts of foaming agent and goes
50 parts of ionized water.
3. high-strength refractory brick according to claim 1, which is characterized in that the expanded perlite is the one of internal porous
Kind light filler, bulk density 40-80kg/m3, grain size is in 5mm or less.
4. high-strength refractory brick according to claim 1, which is characterized in that the inorfil is sepiolite fibre, silicon
One kind in sour aluminum fiber, rock wool.
5. high-strength refractory brick according to claim 1, which is characterized in that the bonding agent is fine aluminium acid esters cement.
6. high-strength refractory brick according to claim 1, which is characterized in that the water-reducing agent be water-reducing rate be 40% it is poly-
Carboxylic acid water reducer.
7. high-strength refractory brick according to claim 1, which is characterized in that the foaming agent be dodecyl sodium sulfate,
Lauryl sodium sulfate or sodium secondary alkyl sulfonate.
8. according to the preparation method of claim 1-7 any one of them high-strength refractory bricks, which is characterized in that including following step
Suddenly：
（1）According to proportioning weigh expanded perlite, diatomite tailing, alumina powder, silicon carbide micro-powder, graphene, gangue,
Alumine and fire clay are ground into 200-300 targeted fine powders, obtain mixed powder A；
（2）Mixture A is added in deionized water, and bonding agent, water-reducing agent, inorfil is added, is uniformly mixed and obtains slurry
B；
（3）Foaming agent is weighed, foaming agent and water are pressed 1：The ratio of 10-15 mixes, and foaming obtains foam C；
（4）By step（2）Obtained slurry B and step（3）Obtained foam C is uniformly mixed, and is then injected into mold and is poured into
Brick bat drying is then charged into high temperature furnace by adobe, is burnt into get high-strength refractory brick.
9. the preparation method of high-strength refractory brick according to claim 8, which is characterized in that the step（4）In, adobe
Drying is divided to two sections of progress：First segment is low temperature drying, 20-30 DEG C of drying temperature, dry 20-30h；Second segment is high temperature drying,
Drying temperature is 100-120 DEG C, drying time 18-24h, and the control of raw brick moisture content mass content is in 3-5% after drying.
10. the preparation method of high-strength refractory brick according to claim 8, which is characterized in that state step（4）In, high temperature
Firing condition：3-5h is kept the temperature under 1300-1400 DEG C of high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810387553.5A CN108341677A (en) | 2018-04-26 | 2018-04-26 | A kind of high-strength refractory brick and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810387553.5A CN108341677A (en) | 2018-04-26 | 2018-04-26 | A kind of high-strength refractory brick and preparation method thereof |
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Family
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108752027A (en) * | 2018-09-14 | 2018-11-06 | 长兴鑫迪耐火材料厂 | A kind of refractory brick and preparation method thereof |
| CN108856638A (en) * | 2018-08-30 | 2018-11-23 | 安徽惠明机械制造有限公司 | A kind of machine casting moulding sand binder |
| CN108975950A (en) * | 2018-09-18 | 2018-12-11 | 明光瑞尔非金属材料有限公司 | A kind of refractory brick of high temperature resistance and high strength and preparation method thereof |
| CN109437963A (en) * | 2018-12-15 | 2019-03-08 | 柳州市柳晶科技股份有限公司 | A kind of foamed ceramic heat insulating decorative board and preparation method thereof |
| CN109467413A (en) * | 2018-12-14 | 2019-03-15 | 浙江红鹰集团股份有限公司 | Continuous casting production no paper fibers magnesia coating and preparation method thereof |
| CN112279613A (en) * | 2020-11-05 | 2021-01-29 | 山东鲁阳节能材料股份有限公司 | Light fiber heat insulation plate and preparation method thereof |
| CN113336559A (en) * | 2021-05-12 | 2021-09-03 | 江苏苏嘉集团新材料有限公司 | Refractory brick with heat preservation effect and processing technology |
| CN115448706A (en) * | 2021-06-09 | 2022-12-09 | 中国科学院过程工程研究所 | Diatomite-based heating element and preparation method and application thereof |
| NO20210787A1 (en) * | 2021-06-18 | 2022-12-19 | Ophiolite As | Heat refractive insulation material |
| CN117362057A (en) * | 2023-12-07 | 2024-01-09 | 河北润丰涂料有限公司 | Light anti-cracking heat-insulating refractory material and preparation method thereof |
-
2018
- 2018-04-26 CN CN201810387553.5A patent/CN108341677A/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856638A (en) * | 2018-08-30 | 2018-11-23 | 安徽惠明机械制造有限公司 | A kind of machine casting moulding sand binder |
| CN108752027A (en) * | 2018-09-14 | 2018-11-06 | 长兴鑫迪耐火材料厂 | A kind of refractory brick and preparation method thereof |
| CN108975950A (en) * | 2018-09-18 | 2018-12-11 | 明光瑞尔非金属材料有限公司 | A kind of refractory brick of high temperature resistance and high strength and preparation method thereof |
| CN109467413A (en) * | 2018-12-14 | 2019-03-15 | 浙江红鹰集团股份有限公司 | Continuous casting production no paper fibers magnesia coating and preparation method thereof |
| CN109437963A (en) * | 2018-12-15 | 2019-03-08 | 柳州市柳晶科技股份有限公司 | A kind of foamed ceramic heat insulating decorative board and preparation method thereof |
| CN112279613A (en) * | 2020-11-05 | 2021-01-29 | 山东鲁阳节能材料股份有限公司 | Light fiber heat insulation plate and preparation method thereof |
| CN113336559A (en) * | 2021-05-12 | 2021-09-03 | 江苏苏嘉集团新材料有限公司 | Refractory brick with heat preservation effect and processing technology |
| CN115448706A (en) * | 2021-06-09 | 2022-12-09 | 中国科学院过程工程研究所 | Diatomite-based heating element and preparation method and application thereof |
| CN115448706B (en) * | 2021-06-09 | 2023-08-15 | 中国科学院过程工程研究所 | Diatomite-based heating element and preparation method and application thereof |
| NO20210787A1 (en) * | 2021-06-18 | 2022-12-19 | Ophiolite As | Heat refractive insulation material |
| NO346841B1 (en) * | 2021-06-18 | 2023-01-30 | Ophiolite As | Heat refractive insulation material |
| CN117362057A (en) * | 2023-12-07 | 2024-01-09 | 河北润丰涂料有限公司 | Light anti-cracking heat-insulating refractory material and preparation method thereof |
| CN117362057B (en) * | 2023-12-07 | 2024-02-02 | 河北润丰涂料有限公司 | Light anti-cracking heat-insulating refractory material and preparation method thereof |
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