CN107244926A - A kind of Environment-friendlytype type refractory material and preparation method thereof - Google Patents

A kind of Environment-friendlytype type refractory material and preparation method thereof Download PDF

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CN107244926A
CN107244926A CN201710323082.7A CN201710323082A CN107244926A CN 107244926 A CN107244926 A CN 107244926A CN 201710323082 A CN201710323082 A CN 201710323082A CN 107244926 A CN107244926 A CN 107244926A
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refractory material
environment
type refractory
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袁海强
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Changxing County Meishan Industrial Furnace Co Ltd
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Changxing County Meishan Industrial Furnace Co Ltd
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Abstract

The invention provides a kind of Environment-friendlytype type refractory material and preparation method thereof, the Environment-friendlytype type refractory material is made up of the raw material of following parts by weight：30 ~ 60 parts of silica, 10 ~ 33 parts of metal oxide, 8 ~ 15 parts of magnesium alloy, 5 ~ 31 parts of borate, 3 ~ 9 parts of carbon materials, 0.5 ~ 2 part of inorganic bonding agent.Various raw materials are weighed by proportioning during production, are well mixed, discharging, shaping are simultaneously dried, and Environment-friendlytype type refractory material is obtained after cooling.The Environment-friendlytype type refractory material each component chemical stability of the present invention is high, and heat resistance is good, and service life is long, more environmental protection；Production process is simple, and low in raw material price greatly reduces production cost.

Description

A kind of Environment-friendlytype type refractory material and preparation method thereof
Technical field
The present invention relates to field of material technology, more particularly to a kind of Environment-friendlytype type refractory material for non-burning refractory brick and its Preparation method.
Background technology
Refractory material includes natural crystal and manufactured according to certain industrial requirements, with certain high-temperature mechanics Can, good volume stability, and material necessary to be various high temperature resistant equipment.Refractory material is widely used in building materials, pottery The industrial circles such as porcelain, chemical industry, electric power, consumption is maximum especially in metallurgical industry, and being played in hot industry production development can not The important function of replacement.
Currently, it is increasingly becoming in resource, environment " bottleneck " of the refractories industry development of restriction China, economy and market hair In the case that spread gesture changes, the development of refractories industry is faced with multiple test and challenge.In recent years, due to Non-burning refractory brick product high yield rate, without burning kiln, can save the energy, and production cost is low and function admirable, thus development Quickly, new varieties emerge in an endless stream, and obtain significant economic results in society.However, for the traditional of non-burning refractory brick product Using the material of environmental pollution more than in refractory material, using phenolic resin such as binding agent, phenolic resin is used as refractory material more Binding agent has the advantages that adhesion strength is big, heat-resisting, but its refractory material for preparing not only cost it is high, also containing free The noxious materials such as phenol, free aldehyde, are unfavorable for environmental protection.
Disclosed in Chinese patent literature a kind of " refractory material ", its notification number is CN104844238A, the invention is provided Lignin-sugar composite can partly substitute phenolic resin as the adhesive of refractory material, its bonding effect is good, especially Suitable for fields such as non-burning refractory brick, iron runner materials.But lignin-sugar composite can not substitute other groups of refractory material Point, it is impossible to fundamentally solve pollution problem of the refractory material to environment.Therefore, new technology, new raw material and regeneration how to be increased Resource is designed in refractory material and saved and environmental-protecting process, new varieties with the application in manufacturing process, exploitation, is reduced or replacement pair The material of environmental pollution, it is that those skilled in the art urgently solve to promote refractories industry environmental protection and the raising of occupational health level Certainly the problem of.
The content of the invention
There is provided a kind of green ring in order to overcome the problem of traditional refractory material composition is polluted to environment by the present invention Guarantor, safe Environment-friendlytype type refractory material.
Present invention also offers a kind of preparation method of Environment-friendlytype type refractory material.
To achieve these goals, the present invention uses following technical scheme：
A kind of Environment-friendlytype type refractory material, the Environment-friendlytype type refractory material is made up of the raw material of following parts by weight：Silica 30 ~ 60 Part, 10 ~ 33 parts of metal oxide, 8 ~ 15 parts of magnesium alloy, 5 ~ 31 parts of borate, 3 ~ 9 parts of carbon materials, inorganic bonding agent 0.5 ~ 2 parts.
Magnesium alloy, borate are chosen as raw material, it is cheap, the cost of raw material can be saved.In addition magnesium alloy Heat resistance it is high, the heat resistance of refractory material can be effectively improved.Add carbon materials and inorganic bonding agent, it is to avoid make With organic matter, prevent pollution from raw material, obtained refractory material is more environmentally friendly.
Preferably, the metal oxide is made up of the component of following parts by weight：2 ~ 6 parts of iron oxide, zirconium oxide 3 ~ 10 Part, 1 ~ 3 part of magnesia, 1 ~ 5 part of aluminum oxide, 4 ~ 9 parts of calcium oxide.
Preferably, the weight/mass percentage composition of magnesium is 40% ~ 50% in the magnesium alloy, the weight/mass percentage composition of aluminium is 50%~60%。
Preferably, the borate is made up of the component of following parts by weight：2 ~ 10 parts of line borate, 1 ~ 8 part of antifungin, boron Sour 1 ~ 13 part of aluminium.
Preferably, the carbon materials is selected from carbon black or graphite.
Preferably, the inorganic bonding agent is selected from sodium metasilicate, magnesium phosphate or Ludox.
A kind of preparation method of Environment-friendlytype type refractory material, comprises the following steps：
（1）Silica, metal oxide, magnesium alloy, borate and carbon materials mixing are weighed respectively by above-mentioned parts by weight Stir, obtain prefabricated mixed powder；
（2）By step（1）Obtained prefabricated mixed powder is well mixed with inorganic bonding agent；
（3）Discharged, be molded, is compacted under 115~135MPa, 2~4min of dwell time；
（4）By step（3）Refractory material after middle shaping is embedded in equipped with 4~8mm after 110~120 DEG C of dry 10~18h Spend and be incubated 3~5h in the saggar of coke at 1400~1600 DEG C, Environment-friendlytype type refractory material is obtained after cooling.
The present invention has the advantages that：
（1）The Environment-friendlytype type refractory material each component chemical stability is high, and heat resistance is good, and service life is long, more environmental protection；
（2）The production process of the Environment-friendlytype type refractory material is simple, and low in raw material price greatly reduces production cost.
Embodiment
Below by specific embodiment, technical scheme is described in further detail.
Embodiment 1
（1）By 30Kg silica, 10Kg metal oxide（Iron oxide 2Kg, zirconium oxide 2Kg, magnesia 1Kg, aluminum oxide 1Kg, calcium oxide 4Kg）, 8Kg magnesium alloy（The weight/mass percentage composition of magnesium is 40%, and the weight/mass percentage composition of aluminium is 60%）, 5Kg Borate（Line borate 2Kg, antifungin 2Kg, aluminium borate 1Kg）, 3Kg carbon materials is mixed evenly, and obtains prefabricated mixed Close powder；
（2）By step（1）Obtained prefabricated mixed powder is well mixed with 0.5Kg Ludox；
（3）Discharged, be molded, is compacted under 115MPa, dwell time 2min；
（4）By step（3）Refractory material after middle shaping is embedded in the saggar equipped with 4mm granularity coke after 110 DEG C of dry 10h In 3h, cooling are incubated at 1400 DEG C after obtain Environment-friendlytype type refractory material.
The performance indications of products obtained therefrom are：Apparent porosity 4.0%, bulk density 3.30g/cm3, cold crushing strength 240MPa, high temperature break resistant intensity 19MPa, its thermal shock resistance, corrosion resistance, inoxidizability and hydration resistance are preferable.
Embodiment 2
（1）By 60Kg silica, 10Kg metal oxide（Iron oxide 2Kg, zirconium oxide 2Kg, magnesia 1Kg, aluminum oxide 1Kg, calcium oxide 4Kg）, 15Kg magnesium alloy（The weight/mass percentage composition of magnesium is 50%, and the weight/mass percentage composition of aluminium is 50%）, 31Kg borate（Line borate 10Kg, antifungin 8Kg, aluminium borate 13Kg）, 9Kg carbon materials is mixed evenly, obtains Prefabricated mixed powder；
（2）By step（1）Obtained prefabricated mixed powder is well mixed with 2Kg magnesium phosphate；
（3）Discharged, be molded, is compacted under 135MPa, dwell time 4min；
（4）By step（3）Refractory material after middle shaping is embedded in the saggar equipped with 8mm granularity coke after 120 DEG C of dry 18h In 5h, cooling are incubated at 1600 DEG C after obtain Environment-friendlytype type refractory material.
The performance indications of products obtained therefrom are：Apparent porosity 5.2%, bulk density 3.06g/cm3, cold crushing strength 185MPa, high temperature break resistant intensity 22MPa, its thermal shock resistance, corrosion resistance, inoxidizability and hydration resistance are preferable.
Embodiment 3
（1）By 45Kg silica, 20Kg metal oxide（Iron oxide 3Kg, zirconium oxide 5Kg, magnesia 3Kg, aluminum oxide 4Kg, calcium oxide 5Kg）, 12Kg magnesium alloy（The weight/mass percentage composition of magnesium is 45%, and the weight/mass percentage composition of aluminium is 55%）, 18Kg borate（Line borate 6Kg, antifungin 4Kg, aluminium borate 8Kg）, 6Kg carbon materials is mixed evenly, and obtains pre- Mixed powder processed；
（2）By step（1）Obtained prefabricated mixed powder is well mixed with 1.5Kg sodium metasilicate；
（3）Discharged, be molded, is compacted under 125MPa, dwell time 3min；
（4）By step（3）Refractory material after middle shaping is embedded in the saggar equipped with 6mm granularity coke after 115 DEG C of dry 14h In 4h, cooling are incubated at 1500 DEG C after obtain Environment-friendlytype type refractory material.
The performance indications of products obtained therefrom are：Apparent porosity 6.1%, bulk density 3.60g/cm3, cold crushing strength 230MPa, high temperature break resistant intensity 35MPa, its thermal shock resistance, corrosion resistance, inoxidizability and hydration resistance are preferable.
The Environment-friendlytype type refractory material each component chemical stability of the present invention is high, and heat resistance is good, and service life is long, more green Colour circle is protected；Production process is simple, and low in raw material price greatly reduces production cost.

Claims (7)

1. a kind of Environment-friendlytype type refractory material, it is characterised in that the Environment-friendlytype type refractory material is made up of the raw material of following parts by weight： 30 ~ 60 parts of silica, 10 ~ 33 parts of metal oxide, 8 ~ 15 parts of magnesium alloy, 5 ~ 31 parts of borate, 3 ~ 9 parts of carbon materials, 0.5 ~ 2 part of inorganic bonding agent.
2. a kind of Environment-friendlytype type refractory material according to claim 1, it is characterised in that the metal oxide is by following heavy Measure the component composition of part：2 ~ 6 parts of iron oxide, 3 ~ 10 parts of zirconium oxide, 1 ~ 3 part of magnesia, 1 ~ 5 part of aluminum oxide, 4 ~ 9 parts of calcium oxide.
3. a kind of Environment-friendlytype type refractory material according to claim 1, it is characterised in that the quality of magnesium in the magnesium alloy Percentage composition is 40% ~ 50%, and the weight/mass percentage composition of aluminium is 50% ~ 60%.
4. a kind of Environment-friendlytype type refractory material according to claim 1, it is characterised in that the borate is by following parts by weight Component composition：2 ~ 10 parts of line borate, 1 ~ 8 part of antifungin, 1 ~ 13 part of aluminium borate.
5. a kind of Environment-friendlytype type refractory material according to claim 1, it is characterised in that the carbon materials be selected from carbon black or Person's graphite.
6. a kind of Environment-friendlytype type refractory material according to claim 1, it is characterised in that the inorganic bonding agent is selected from silicic acid Sodium, magnesium phosphate or Ludox.
7. the preparation method of a kind of Environment-friendlytype type refractory material as described in claim 1-6 is any, it is characterised in that including following Step：
（1）Silica, metal oxide, magnesium alloy, borate and carbon materials mixing are weighed respectively by above-mentioned parts by weight Stir, obtain prefabricated mixed powder；
（2）By step（1）Obtained prefabricated mixed powder is well mixed with inorganic bonding agent；
（3）Discharged, be molded, is compacted under 115~135MPa, 2~4min of dwell time；
（4）By step（3）Refractory material after middle shaping is embedded in equipped with 4~8mm after 110~120 DEG C of dry 10~18h Spend and be incubated 3~5h in the saggar of coke at 1400~1600 DEG C, Environment-friendlytype type refractory material is obtained after cooling.
CN201710323082.7A 2017-05-09 2017-05-09 A kind of Environment-friendlytype type refractory material and preparation method thereof Pending CN107244926A (en)

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CN201710323082.7A CN107244926A (en) 2017-05-09 2017-05-09 A kind of Environment-friendlytype type refractory material and preparation method thereof

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CN108083826A (en) * 2017-12-25 2018-05-29 洛阳名力科技开发有限公司 A kind of refractory material
CN108101536A (en) * 2017-11-30 2018-06-01 长兴科创科技咨询有限公司 A kind of environment-friendly type amorphous refractory and preparation method thereof
CN108164277A (en) * 2018-03-22 2018-06-15 湖州知维技术服务有限公司 A kind of refractory material
CN108191391A (en) * 2018-03-22 2018-06-22 湖州知维技术服务有限公司 A kind of refractory material
CN111393150A (en) * 2020-03-24 2020-07-10 浙江欣辉耐火材料股份有限公司 Environment-friendly magnesium dry material and preparation process thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108101536A (en) * 2017-11-30 2018-06-01 长兴科创科技咨询有限公司 A kind of environment-friendly type amorphous refractory and preparation method thereof
CN108083826A (en) * 2017-12-25 2018-05-29 洛阳名力科技开发有限公司 A kind of refractory material
CN108164277A (en) * 2018-03-22 2018-06-15 湖州知维技术服务有限公司 A kind of refractory material
CN108191391A (en) * 2018-03-22 2018-06-22 湖州知维技术服务有限公司 A kind of refractory material
CN111393150A (en) * 2020-03-24 2020-07-10 浙江欣辉耐火材料股份有限公司 Environment-friendly magnesium dry material and preparation process thereof

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Application publication date: 20171013