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 PDFInfo
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- 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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- Prior art keywords
- magnesia
- light
- parts
- brick
- magnesia brick
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Classifications
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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
- C04B35/01—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
- C04B35/03—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous 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
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/067—Macromolecular compounds
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Oxide Ceramics (AREA)
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
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)
- 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.
- 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%.
- 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. 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.
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 |
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| 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 |
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| CN108947567A true CN108947567A (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810778911.5A Pending CN108947567A (en) | 2018-07-16 | 2018-07-16 | A kind of light-weight refractory insulation magnesia brick and its processing method |
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Citations (11)
| 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 |
-
2018
- 2018-07-16 CN CN201810778911.5A patent/CN108947567A/en active Pending
Patent Citations (11)
| 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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| RJ01 | Rejection of invention patent application after publication |