CN104311086A - Light magnesium slag refractory castable - Google Patents
Light magnesium slag refractory castable Download PDFInfo
- Publication number
- CN104311086A CN104311086A CN201410583115.8A CN201410583115A CN104311086A CN 104311086 A CN104311086 A CN 104311086A CN 201410583115 A CN201410583115 A CN 201410583115A CN 104311086 A CN104311086 A CN 104311086A
- Authority
- CN
- China
- Prior art keywords
- aggregate
- magnesium
- slag
- parts
- powder
- 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
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Classifications
-
- 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
- C04B35/10—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 aluminium oxide
- C04B35/101—Refractories from grain sized mixtures
- C04B35/106—Refractories from grain sized mixtures containing zirconium oxide or zircon (ZrSiO4)
-
- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5427—Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
Abstract
The invention discloses light magnesium slag refractory castable. The light magnesium slag refractory castable comprises the following raw materials in parts by mass: 20-30 parts of aggregates, 60-70 parts of powder and 10-15 parts of admixtures, wherein the aggregates consists of corundum, alumina hollow spheres and zirconia hollow spheres; the powder consists of alpha-Al2O3 powder and magnesium slag powder; and the admixtures are water-soluble phenolic resin.
Description
Technical field
The invention belongs to technical field of refractory materials, particularly relate to a kind of magnesium slag Lowweight Refractory Castable.
Background technology
Compared with qualitative refractory product, with refractory castable be that the unshape refractory of representative has that technical process is short, production energy consumption and cost is low, easy to use, applied widely, globality and the advantage such as result of use is good, thus worldwide obtain and develop rapidly, its proportion shared in whole refractory materials is more and more higher.In the country of some refractory technologies advanced person, the output of unshape refractory is close to the output even having exceeded setting goods.Such as, the ratio that current Japanese unshape refractory output accounts for whole refractory materials reaches about 60%; The U.S. be about 50%; English, moral, Fa Deng state are 40% ~ 50%.Nowadays, refractory castable has been widely used in the high temperature service of the industrial circles such as metallurgy, building materials, electric power, chemical industry.
In addition, along with the growth year by year of world's MAGNESIUM METAL consumers demand, MAGNESIUM METAL industry is at China's high speed development.But MAGNESIUM METAL industry is while China's high speed development, also bring a series of environmental problem.The industrial residue of discharging when China's production MAGNESIUM METAL, a lot of magnesium factory loses as refuse, the manufacturing enterprise that especially some scales are less.Along with a large amount of discharges of magnesium slag are piled up, not only occupy a large amount of land resources, and magnesium slag causes great impact along with the shower remittance rivers and lakes of rainwater to farm crop and surrounding environment, seriously injures the growth of the healthy of the mankind and farm crop.At present the research of magnesium slag recycling is mainly concentrated on and utilize magnesium slag burden calcining cement clinker and use as active addition of cement.
Summary of the invention
In view of this, be necessary to provide a kind of magnesium slag Lowweight Refractory Castable utilizing magnesium slag to produce.
A kind of magnesium slag Lowweight Refractory Castable, comprise the raw material of following mass fraction: 20 ~ 30 parts of aggregates, 60 ~ 70 parts of powders, 10 ~ 15 parts of admixtures, described aggregate is made up of corundum, alumina hollow ball, Bubble zirconia; Described powder is by α ~ Al
2o
3powder, magnesium ground-slag form; Described admixture is water soluble phenol resin.
Technique effect of the present invention is: containing silicon-dioxide, calcium oxide, mgo refractory in magnesium ground-slag, magnesium ground-slag is formed after mixing with water soluble phenol resin and generates hydrated calcium silicate gel simultaneously, so can improve the curing speed of magnesium slag Lowweight Refractory Castable, simultaneously phenolic resin bonded corundum, alumina hollow ball, Bubble zirconia, α ~ Al
2o
3powder, so in high temperature environments, α ~ Al
2o
3powder and magnesium oxide react and generate new magnesium-aluminium spinel, and newly-generated magnesium-aluminium spinel and unreacted material are combined closely, and strengthen the physical strength of magnesium slag Lowweight Refractory Castable.
Embodiment
The technical solution adopted in the present invention a certain proportion of aggregate, powder and admixture is carried out mixing to obtain magnesium slag Lowweight Refractory Castable.Concretely:
A kind of magnesium slag Lowweight Refractory Castable, comprise the raw material of following mass fraction: 20 ~ 30 parts of aggregates, 60 ~ 70 parts of powders, 10 ~ 15 parts of admixtures, described aggregate is made up of corundum, alumina hollow ball, Bubble zirconia; Described powder is by α ~ Al
2o
3powder, magnesium ground-slag form; Described admixture is water soluble phenol resin.Wherein, containing silicon-dioxide, calcium oxide, mgo refractory in magnesium ground-slag, magnesium ground-slag is formed after mixing with water soluble phenol resin and generates hydrated calcium silicate gel simultaneously, so can improve the curing speed of magnesium slag Lowweight Refractory Castable, simultaneously phenolic resin bonded corundum, alumina hollow ball, Bubble zirconia, α ~ Al
2o
3powder, so in high temperature environments, α ~ Al
2o
3powder and magnesium oxide react and generate new magnesium-aluminium spinel, and newly-generated magnesium-aluminium spinel and unreacted material are combined closely, and strengthen the physical strength of magnesium slag Lowweight Refractory Castable.
Further, aggregate comprises coarse aggregate, middle aggregate, fine aggregate, the particle diameter of coarse aggregate is 2 ~ 2.6mm, the particle diameter of middle aggregate is 1 ~ 1.8mm, the particle diameter of fine aggregate is 0.1 ~ 0.8mm, wherein, corundum through pulverizing grinding after as in aggregate, fine aggregate, as coarse aggregate after the mixing of alumina hollow ball, Bubble zirconia, magnesium ground-slag carries out grinding by shredder to magnesium slag to obtain.
Below illustrate above-mentioned magnesium slag Lowweight Refractory Castable:
Embodiment 1
(1) for the preparation of magnesium slag Lowweight Refractory Castable raw material be: aggregate is made up of corundum, alumina hollow ball, Bubble zirconia; Powder is by α ~ Al
2o
3powder, magnesium ground-slag form; Admixture is water soluble phenol resin.Mass fraction for the preparation of magnesium slag Lowweight Refractory Castable raw material is: 20 parts of aggregates, 70 parts of powders, 15 parts of admixtures, the mass percent of coarse aggregate, middle aggregate, fine aggregate is: coarse aggregate is 30 ﹪, middle aggregate is 40 ﹪, fine aggregate is 40 ﹪, wherein, alumina hollow ball in coarse aggregate, Bubble zirconia mass percent be: alumina hollow ball 30 ﹪, Bubble zirconia 70 ﹪; Described powder by the mass percent of α ~ Al2 O3 powder, magnesium ground-slag is: α ~ Al2 O3 powder is 30 ﹪, magnesium ground-slag is 70 ﹪.
After the above-mentioned mixing of the raw material as aggregate, powder, add admixture mixing and both obtained magnesium slag Lowweight Refractory Castable.
Embodiment 2
(1) for the preparation of magnesium slag Lowweight Refractory Castable raw material be: aggregate is made up of corundum, alumina hollow ball, Bubble zirconia; Powder is by α ~ Al
2o
3powder, magnesium ground-slag form; Admixture is water soluble phenol resin.Mass fraction for the preparation of magnesium slag Lowweight Refractory Castable raw material is: 30 parts of aggregates, 60 parts of powders, 10 parts of admixtures, the mass percent of coarse aggregate, middle aggregate, fine aggregate is: coarse aggregate is 35 ﹪, middle aggregate is 40 ﹪, fine aggregate is 25 ﹪, wherein, alumina hollow ball in coarse aggregate, Bubble zirconia mass percent be: alumina hollow ball 40 ﹪, Bubble zirconia 60 ﹪; Described powder by the mass percent of α ~ Al2 O3 powder, magnesium ground-slag is: α ~ Al2 O3 powder is 40 ﹪, magnesium ground-slag is 60 ﹪.
After the above-mentioned mixing of the raw material as aggregate, powder, add admixture mixing and both obtained magnesium slag Lowweight Refractory Castable.
As described above, be only preferred embodiment of the present invention, when not limiting scope of the invention process with this, the simple equivalence namely generally done according to the present patent application the scope of the claims and invention description content changes and modifies, and all still remains within the scope of the patent.
Claims (4)
1. a magnesium slag Lowweight Refractory Castable, is characterized in that: the raw material comprising following mass fraction: 20 ~ 30 parts of aggregates, 60 ~ 70 parts of powders, 10 ~ 15 parts of admixtures, and described aggregate is made up of corundum, alumina hollow ball, Bubble zirconia; Described powder is by α ~ Al
2o
3powder, magnesium ground-slag form; Described admixture is water soluble phenol resin.
2. magnesium slag Lowweight Refractory Castable according to claim 1, it is characterized in that: aggregate comprises coarse aggregate, middle aggregate, fine aggregate, the particle diameter of coarse aggregate is 2 ~ 2.6mm, the particle diameter of middle aggregate is 1 ~ 1.8mm, the particle diameter of fine aggregate is 0.1 ~ 0.8mm, wherein, corundum through pulverizing grinding after as in aggregate, fine aggregate, as coarse aggregate after the mixing of alumina hollow ball, Bubble zirconia, magnesium ground-slag carries out grinding by shredder to magnesium slag to obtain.
3. magnesium slag Lowweight Refractory Castable according to claim 2, it is characterized in that: the mass fraction for the preparation of magnesium slag Lowweight Refractory Castable raw material is: 20 parts of aggregates, 70 parts of powders, 15 parts of admixtures, the mass percent of coarse aggregate, middle aggregate, fine aggregate is: coarse aggregate is 30 ﹪, middle aggregate is 40 ﹪, fine aggregate is 40 ﹪, wherein, alumina hollow ball in coarse aggregate, Bubble zirconia mass percent be: alumina hollow ball 30 ﹪, Bubble zirconia 70 ﹪; Described powder by the mass percent of α ~ Al2 O3 powder, magnesium ground-slag is: α ~ Al2 O3 powder is 30 ﹪, magnesium ground-slag is 70 ﹪.
4. magnesium slag Lowweight Refractory Castable according to claim 3, it is characterized in that: the mass fraction for the preparation of magnesium slag Lowweight Refractory Castable raw material is: 30 parts of aggregates, 60 parts of powders, 10 parts of admixtures, the mass percent of coarse aggregate, middle aggregate, fine aggregate is: coarse aggregate is 35 ﹪, middle aggregate is 40 ﹪, fine aggregate is 25 ﹪, wherein, alumina hollow ball in coarse aggregate, Bubble zirconia mass percent be: alumina hollow ball 40 ﹪, Bubble zirconia 60 ﹪; Described powder by the mass percent of α ~ Al2 O3 powder, magnesium ground-slag is: α ~ Al2 O3 powder is 40 ﹪, magnesium ground-slag is 60 ﹪.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410583115.8A CN104311086A (en) | 2014-10-28 | 2014-10-28 | Light magnesium slag refractory castable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410583115.8A CN104311086A (en) | 2014-10-28 | 2014-10-28 | Light magnesium slag refractory castable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104311086A true CN104311086A (en) | 2015-01-28 |
Family
ID=52366436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410583115.8A Pending CN104311086A (en) | 2014-10-28 | 2014-10-28 | Light magnesium slag refractory castable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104311086A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI683795B (en) * | 2019-03-15 | 2020-02-01 | 許倩玲 | Refractory concrete manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555146A (en) * | 2008-04-10 | 2009-10-14 | 中国石油化工集团公司 | Refractory castable composition with heat insulation and wear resistance and application thereof |
| CN102731118A (en) * | 2012-07-04 | 2012-10-17 | 武汉科技大学 | Corundum micro-pore heat-insulating and fireproof material and preparation method thereof |
| CN102976771A (en) * | 2012-11-16 | 2013-03-20 | 宜兴天霸非金属材料有限公司 | High temperature resistant lightweight heat insulation castables |
| CN103613394A (en) * | 2013-11-26 | 2014-03-05 | 武汉钢铁(集团)公司 | Casting material with thermal insulation function |
-
2014
- 2014-10-28 CN CN201410583115.8A patent/CN104311086A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555146A (en) * | 2008-04-10 | 2009-10-14 | 中国石油化工集团公司 | Refractory castable composition with heat insulation and wear resistance and application thereof |
| CN102731118A (en) * | 2012-07-04 | 2012-10-17 | 武汉科技大学 | Corundum micro-pore heat-insulating and fireproof material and preparation method thereof |
| CN102976771A (en) * | 2012-11-16 | 2013-03-20 | 宜兴天霸非金属材料有限公司 | High temperature resistant lightweight heat insulation castables |
| CN103613394A (en) * | 2013-11-26 | 2014-03-05 | 武汉钢铁(集团)公司 | Casting material with thermal insulation function |
Non-Patent Citations (1)
| Title |
|---|
| 田玉明等: "镁渣对刚玉-莫来石复相陶瓷显微结构及性能的影响", 《中国陶瓷》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI683795B (en) * | 2019-03-15 | 2020-02-01 | 許倩玲 | Refractory concrete manufacturing method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |