CN108947567A - A kind of light-weight refractory insulation magnesia brick and its processing method - Google Patents

A kind of light-weight refractory insulation magnesia brick and its processing method Download PDF

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Publication number
CN108947567A
CN108947567A CN201810778911.5A CN201810778911A CN108947567A CN 108947567 A CN108947567 A CN 108947567A CN 201810778911 A CN201810778911 A CN 201810778911A CN 108947567 A CN108947567 A CN 108947567A
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CN
China
Prior art keywords
magnesia
light
parts
brick
magnesia brick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810778911.5A
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Chinese (zh)
Inventor
毛靖
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Dalian Chuan Sen Science And Technology Ltd
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Dalian Chuan Sen Science And Technology Ltd
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Priority to CN201810778911.5A priority Critical patent/CN108947567A/en
Publication of CN108947567A publication Critical patent/CN108947567A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/03Shaped 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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
    • C04B35/04Shaped 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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
    • C04B35/043Refractories from grain sized mixtures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/063Preparing or treating the raw materials individually or as batches
    • C04B38/0635Compounding ingredients
    • C04B38/0645Burnable, meltable, sublimable materials
    • C04B38/067Macromolecular compounds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite

Abstract

The invention discloses a kind of light-weight refractory insulation magnesia bricks, which includes the raw material of following parts by weight: 93-95 parts of magnesia powder, 20-25 parts of EPS foamed ball, 3-5 parts of lignin, surplus is kaolin.The invention has the characteristics that the light weight of magnesia brick, bulk density are small, good insulation preformance, fire resistance are good, manufacturing cost is low.

Description

A kind of light-weight refractory insulation magnesia brick and its processing method
Technical field
The present invention relates to solid heat storage fields, and in particular to a kind of resistance to applied to the lightweight in high voltage solid heat storage device Fire insulation magnesia brick and its processing method.
Background technique
In high voltage solid heat storage products application, need it is alternate and relatively in applying solid isolated material, make Alternate and insulation distance relatively and refractory temperature guarantee it is up to standard, while needing to save material as much as possible also to reduce Cost.
Summary of the invention
Problem that the purpose of the present invention is to overcome the above shortcomings provides a kind of light-weight refractory insulation magnesia brick and its processing side Method.
Present invention technical solution used for the above purpose is: a kind of light-weight refractory insulation magnesia brick, the magnesia brick packet Include the raw material of following parts by weight: 93-95 parts of magnesia powder, 20-25 parts of EPS foamed ball, 3-5 parts of lignin, surplus is kaolinite Soil.
The content of magnesium oxide particle is 50%-65% in the magnesia powder.
The particle diameter for having the magnesium oxide particle of 93%-95% in the magnesium oxide particle is 1-3mm, the EPS foamed ball Sphere diameter is 0.5-1mm.
A kind of processing method of light-weight refractory insulation magnesia brick, it is characterised in that include the following steps: a, the raw material by magnesia brick Mixing water carries out mixed grind and mixing pug is made;B, pug extrusion forming will be mixed, adobe is made;3, under natural drying, by brick Base is 20-28 hours dry;C, then adobe is placed in dry kiln, 100 DEG C -200 DEG C at a temperature of it is 24-48 hours dry; D, again 1410 DEG C -1430 DEG C at a temperature of to adobe carry out calcining 8-10 hours.
The invention has the characteristics that the light weight of magnesia brick, bulk density are small, good insulation preformance, fire resistance are good, manufacturing cost It is low.
Specific embodiment
The present invention is a kind of light-weight refractory insulation magnesia brick, is based on magnesium oxide material, formed bond and hollow material It is made, which includes the raw material of following parts by weight: 93-95 parts of magnesia powder, 20-25 parts of EPS foamed ball, lignin 3-5 Part, surplus is kaolin;The content of magnesium oxide particle is 50%-65% in the magnesia powder;Have in the magnesium oxide particle The particle diameter of the magnesium oxide particle of 93%-95% is 1-3mm, and the sphere diameter of the EPS foamed ball is 0.5-1mm.
The processing method of above-mentioned light-weight refractory insulation magnesia brick, including the following steps: a, the raw material mixing water by magnesia brick are carried out Mixing pug is made in mixed grind;B, pug extrusion forming will be mixed, adobe is made;3, under natural drying, by brick bat drying 20-28 Hour;C, then adobe is placed in dry kiln, 100 DEG C -200 DEG C at a temperature of it is 24-48 hours dry;D, again 1410 Calcining 8-10 hours is carried out to adobe at a temperature of DEG C -1430 DEG C.
Embodiment one
Light-weight refractory insulation magnesia brick includes the raw material of following parts by weight: 93 parts of magnesia powder, 20 parts of EPS foamed ball, lignin 3 Part, surplus are kaolin, and wherein the content of magnesium oxide particle is 50% in magnesia powder, and have 93% oxidation in magnesium oxide particle The particle diameter of magnesium granules is 1mm, and the sphere diameter of EPS foamed ball uses 0.5mm.
The processing method of above-mentioned light-weight refractory insulation magnesia brick, including the following steps: a, the raw material mixing water by above-mentioned magnesia brick, It carries out mixed grind and mixing pug is made;B, pug extrusion forming will be mixed, adobe is made;3, under natural drying, by brick bat drying 20 hours;C, then adobe is placed in dry kiln, 200 DEG C at a temperature of it is 24 hours dry;D, again in 1410 DEG C of temperature Under to adobe carry out calcining 10 hours.
Embodiment two
Light-weight refractory insulation magnesia brick includes the raw material of following parts by weight: 94 parts of magnesia powder, 23 parts of EPS foamed ball, lignin 4 Part, surplus are kaolin, and wherein the content of magnesium oxide particle is 55% in magnesia powder, and have 94% oxidation in magnesium oxide particle The particle diameter of magnesium granules is 2mm, and the sphere diameter of EPS foamed ball uses 0.8mm.
The processing method of above-mentioned light-weight refractory insulation magnesia brick, including the following steps: a, the raw material mixing water by above-mentioned magnesia brick, It carries out mixed grind and mixing pug is made;B, pug extrusion forming will be mixed, adobe is made;3, under natural drying, by brick bat drying 24 hours;C, then adobe is placed in dry kiln, 150 DEG C at a temperature of it is 36 hours dry;D, again in 1420 DEG C of temperature Under to adobe carry out calcining 9 hours.
Embodiment three
Light-weight refractory insulation magnesia brick includes the raw material of following parts by weight: 94 parts of magnesia powder, 25 parts of EPS foamed ball, lignin 5 Part, surplus are kaolin, and wherein the content of magnesium oxide particle is 55% in magnesia powder, and have 94% oxidation in magnesium oxide particle The particle diameter of magnesium granules is 3mm, and the sphere diameter of EPS foamed ball uses 0.9mm.
The processing method of above-mentioned light-weight refractory insulation magnesia brick, including the following steps: a, the raw material mixing water by above-mentioned magnesia brick, It carries out mixed grind and mixing pug is made;B, pug extrusion forming will be mixed, adobe is made;3, under natural drying, by brick bat drying 26 hours;C, then adobe is placed in dry kiln, 100 DEG C at a temperature of it is 45 hours dry;D, again in 1430 DEG C of temperature Under to adobe carry out calcining 9 hours.
Example IV
Light-weight refractory insulation magnesia brick includes the raw material of following parts by weight: 95 parts of magnesia powder, 25 parts of EPS foamed ball, lignin 5 Part, surplus are kaolin, and wherein the content of magnesium oxide particle is 60% in magnesia powder, and have 95% oxidation in magnesium oxide particle The particle diameter of magnesium granules is 3mm, and the sphere diameter of EPS foamed ball uses 1mm.
The processing method of above-mentioned light-weight refractory insulation magnesia brick, including the following steps: a, the raw material mixing water by above-mentioned magnesia brick, It carries out mixed grind and mixing pug is made;B, pug extrusion forming will be mixed, adobe is made;3, under natural drying, by brick bat drying 28 hours;C, then adobe is placed in dry kiln, 100 DEG C at a temperature of it is 48 hours dry;D, again in 1430 DEG C of temperature Under to adobe carry out calcining 8 hours.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (4)

  1. The magnesia brick 1. a kind of light-weight refractory insulate, it is characterised in that: the magnesia brick includes the raw material of following parts by weight: magnesia powder 93-95 parts, 20-25 parts of EPS foamed ball, 3-5 parts of lignin, surplus is kaolin.
  2. The magnesia brick 2. a kind of light-weight refractory as described in claim 1 insulate, it is characterised in that: magnesia in the magnesia powder The content of grain is 50%-65%.
  3. The magnesia brick 3. a kind of light-weight refractory as claimed in claim 2 insulate, it is characterised in that: have 93%- in the magnesium oxide particle The particle diameter of 95% magnesium oxide particle is 1-3mm, and the sphere diameter of the EPS foamed ball is 0.5-1mm.
  4. 4. a kind of processing method of light-weight refractory insulation magnesia brick as described in any one of claims 1-3, it is characterised in that including The following steps: a, the raw material mixing water by magnesia brick carry out mixed grind and mixing pug are made;B, pug extrusion forming will be mixed, will be made Adobe;3, under natural drying, by brick bat drying 20-28 hours;C, then adobe is placed in dry kiln, at 100 DEG C -200 It is 24-48 hours dry at a temperature of DEG C;D, again 1410 DEG C -1430 DEG C at a temperature of to adobe carry out calcining 8-10 hours i.e. It can.
CN201810778911.5A 2018-07-16 2018-07-16 A kind of light-weight refractory insulation magnesia brick and its processing method Pending CN108947567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810778911.5A CN108947567A (en) 2018-07-16 2018-07-16 A kind of light-weight refractory insulation magnesia brick and its processing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810778911.5A CN108947567A (en) 2018-07-16 2018-07-16 A kind of light-weight refractory insulation magnesia brick and its processing method

Publications (1)

Publication Number Publication Date
CN108947567A true CN108947567A (en) 2018-12-07

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008842A (en) * 1960-05-02 1961-11-14 Harbison Walker Refractories Basic refractory insulating shapes
CN1074202A (en) * 1992-09-29 1993-07-14 洛阳耐火材料厂 Magnesite refractory slurry
JPH08133749A (en) * 1994-11-01 1996-05-28 Asahi Glass Co Ltd High magnesia brick for glass furnace regenerative chamber
CN2778938Y (en) * 2004-12-30 2006-05-10 金文主 Light magnesia brick
CN101138691A (en) * 2007-07-10 2008-03-12 济南圣泉倍进陶瓷过滤器有限公司 Preparation method of magnesian foamed ceramic filter for casting
CN101362651A (en) * 2008-04-11 2009-02-11 邹平金刚新材料有限公司 Formula of mullite light heat insulating brick
CN102795870A (en) * 2012-09-10 2012-11-28 武汉科技大学 Light-weight magnesia brick and preparation method thereof
CN203999319U (en) * 2014-08-20 2014-12-10 徐州市奥成玻璃制品有限公司 Novel glass kiln is with not burning magnesia brick production equipment
CN105801093A (en) * 2016-03-01 2016-07-27 广东鹏鹄实业有限公司 Coal ash high-temperature-resistant insulating material as well as preparation thereof and use
CN106747594A (en) * 2016-11-24 2017-05-31 通达耐火技术股份有限公司 A kind of preparation method of light microporous magnesia raw material
CN107140951A (en) * 2017-07-11 2017-09-08 辽宁中镁高温材料有限公司 A kind of whisker composite high-performance magnesia brick and its manufacture method

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3008842A (en) * 1960-05-02 1961-11-14 Harbison Walker Refractories Basic refractory insulating shapes
CN1074202A (en) * 1992-09-29 1993-07-14 洛阳耐火材料厂 Magnesite refractory slurry
JPH08133749A (en) * 1994-11-01 1996-05-28 Asahi Glass Co Ltd High magnesia brick for glass furnace regenerative chamber
CN2778938Y (en) * 2004-12-30 2006-05-10 金文主 Light magnesia brick
CN101138691A (en) * 2007-07-10 2008-03-12 济南圣泉倍进陶瓷过滤器有限公司 Preparation method of magnesian foamed ceramic filter for casting
CN101362651A (en) * 2008-04-11 2009-02-11 邹平金刚新材料有限公司 Formula of mullite light heat insulating brick
CN102795870A (en) * 2012-09-10 2012-11-28 武汉科技大学 Light-weight magnesia brick and preparation method thereof
CN203999319U (en) * 2014-08-20 2014-12-10 徐州市奥成玻璃制品有限公司 Novel glass kiln is with not burning magnesia brick production equipment
CN105801093A (en) * 2016-03-01 2016-07-27 广东鹏鹄实业有限公司 Coal ash high-temperature-resistant insulating material as well as preparation thereof and use
CN106747594A (en) * 2016-11-24 2017-05-31 通达耐火技术股份有限公司 A kind of preparation method of light microporous magnesia raw material
CN107140951A (en) * 2017-07-11 2017-09-08 辽宁中镁高温材料有限公司 A kind of whisker composite high-performance magnesia brick and its manufacture method

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Application publication date: 20181207

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