CN110937883A - Cement-free iron runner castable - Google Patents
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- CN110937883A CN110937883A CN201911082056.5A CN201911082056A CN110937883A CN 110937883 A CN110937883 A CN 110937883A CN 201911082056 A CN201911082056 A CN 201911082056A CN 110937883 A CN110937883 A CN 110937883A
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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
- C04B35/10—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
- C04B35/103—Refractories from grain sized mixtures containing non-oxide refractory materials, e.g. carbon
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
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- 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
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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- 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
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
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- 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
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
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- 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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
- C04B2235/445—Fluoride containing anions, e.g. fluosilicate
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
- C04B2235/9615—Linear firing shrinkage
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Abstract
The invention relates to a cement-free iron runner castable which comprises the following components in parts by weight: 33-45 parts of brown corundum, 13-23 parts of white corundum, 10-20 parts of silicon carbide, 10-15 parts of alumina powder, 4-12 parts of Secassilon powder, 1-2 parts of calcium carbide powder, 3-5 parts of SioxX-Zero powder and 0.15-0.2 part of explosion-proof fiber. The castable prepared by the invention has good high-temperature mechanical strength, strong slag corrosion resistance and better air permeability, and can realize the rapid construction of the iron runner.
Description
Technical Field
The invention belongs to the technical field of refractory materials, and particularly relates to a cement-free iron runner castable.
Background
Because the blast furnace iron runner is influenced by the discontinuity of iron tapping, the refractory material is subjected to sudden cold and hot thermal shock, and the molten iron is scoured and the slag iron is corroded, so that the blast furnace iron runner has strong thermal shock stability, slag iron scour resistance, oxidation resistance and high-temperature resistanceStrength, good flow and high burst temperature resistance during construction and baking are also required. At present, most of iron channel materials generally adopt cement-bonded Al2O3SiC-C casting materials, such as Chinese patent No. ZL201510521340.3 and ZL201010185737.7 and Chinese patent application No. 201611150299.4, which are easy to cause CaO introduced into cement and Al in a material system to be easily combined by adopting cement2O3And SiO2The low-melting-point phase reacts at high temperature to generate a low-melting-point phase, although the low-melting-point phase plays a role in promoting the sintering performance of the material, the high-temperature strength and the slag iron corrosion resistance of the iron runner castable are seriously damaged, the service life of the iron runner castable is greatly shortened, and the one-time iron feeding amount is only about 15 ten thousand tons generally. The Chinese patent application with the application number of 201611150300.3 and the literature, "development of cement-free iron runner castable" (Nature science edition, volume 26, No. 4, 76-80, school of Shandong's university of science) disclose a cement-free iron runner castable for blast furnace tapping and a preparation method thereof, and the adopted technical scheme mainly depends on the hydration of alumina to generate gel combination, but the temperature of hydrate dehydration is concentrated, so that the cracking phenomenon is easily generated in the baking process after construction, the requirement of rapid construction in the iron runner rush repair process is difficult to meet, and the application of the cement-free iron runner castable is limited to a certain extent.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cement-free iron runner castable which has good high-temperature mechanical strength, strong slag corrosion resistance and better air permeability and can realize the rapid construction of an iron runner.
In order to solve the technical problems, the cement-free iron runner castable provided by the invention comprises the following components in parts by weight:
preferably, the brown corundum comprises three specifications of 8-15 mm, 5-8 mm and 3-5 mm in granularity, and the three specifications comprise the following components in parts by weight:
8-10 parts of 8-15 mm brown corundum
15-20 parts of 5-8 mm brown corundum
10-15 parts of 3-5 mm brown corundum.
Preferably, the white corundum comprises two specifications of granularity of 1-3 mm and 0-1 mm, and the weight parts of the two specifications are as follows:
10-15 parts of 1-3 mm white corundum
3-8 parts of 0-1 mm white corundum.
Preferably, the granularity of the silicon carbide is 0-1 mm.
Preferably, the mass percentage content of SiC in the silicon carbide is not less than 95%.
Preferably, Si in the saikailong powder3N4The mass percentage of the silicon carbide is not less than 70 percent, the mass percentage of the simple substance Si is not less than 10 percent, and the mass percentage of the SiC is not less than 10 percent.
Preferably, SiO in the SioxX-Zero powder255-70 percent by mass of A12O3The mass percentage of the component (A) is 25-40%.
The invention has the beneficial effects that:
1. the cement-free iron runner castable disclosed by the invention generates gas by means of hydration of calcium carbide powder, and generates a net-shaped bonding effect by means of hydration of gel powder, so that on one hand, the air permeability of the castable is improved, on the other hand, the generated calcium hydroxide can promote the hardening and strength of the castable, water in a cast body after molding does not exist in a chemical bonding mode, most of water exists in a gel structure and can be removed at a low temperature, so that the iron runner material has higher air permeability, the removal of gas and liquid at a baking temperature is facilitated, and the rapid construction of an iron runner is realized.
2. The SiOxX-Zero powder selected by the invention is in a high-temperature state, the generated mullite is in a solid-phase state, and is in contact with blast furnace slag, the reaction speed of the solid phase and the slag is far lower than that of a liquid-phase substance, so that the slag resistance of the iron runner material is improved, and simultaneously, in the generation process of the mullite, along with expansion and air hole blockage, the castable is promoted to be densified, the porosity is reduced, the permeation of slag is reduced, oxygen is also reduced to enter into the castable to oxidize SiC, and the slag resistance of the castable is ensured and the permeation resistance is also improved.
3. The cement-free iron runner castable disclosed by the invention is low in water addition, good in fluidity, high in hardening speed, stable in volume, good in mechanical strength at high temperature, compact in structure, high in hot strength, excellent in slag erosion resistance and stable in technical index, can reduce the liquid phase content in the iron runner lining under the use condition, enables the iron runner castable to have better thermal mechanical property at high temperature, and improves the high temperature strength and slag erosion resistance of the iron runner castable, so that the iron passing amount is increased, the consumption of ton iron refractory materials is reduced, the cement-free iron runner castable is particularly suitable for adopting a settlement mode of ton iron contract, the labor intensity is reduced, the working environment is improved, the service life of the iron runner is effectively prolonged, and the smooth production of a blast furnace is guaranteed.
Detailed Description
Example 1
The cement-free iron runner castable comprises the following components in parts by weight:
wherein the mass percentage of SiC in the silicon carbide is not less than 95%; si in the saikailong powder3N4The mass percentage of the silicon carbide is not less than 70 percent, the mass percentage of the simple substance Si is not less than 10 percent, and the mass percentage of the SiC is not less than 10 percent; SiO in the SioxX-Zero powder255-70 percent by mass of A12O3The mass percentage of the component (A) is 25-40%.
Example 2
The cement-free iron runner castable comprises the following components in parts by weight:
wherein the mass percentage of SiC in the silicon carbide is not less than 95%; si in the saikailong powder3N4The mass percentage of the silicon carbide is not less than 70 percent, the mass percentage of the simple substance Si is not less than 10 percent, and the mass percentage of the SiC is not less than 10 percent; SiO in the SioxX-Zero powder255-70 percent by mass of A12O3The mass percentage of the component (A) is 25-40%.
Example 3
The cement-free iron runner castable comprises the following components in parts by weight:
wherein the mass percentage of SiC in the silicon carbide is not less than 95%; si in the saikailong powder3N4The mass percentage of the silicon carbide is not less than 70 percent, the mass percentage of the simple substance Si is not less than 10 percent, and the mass percentage of the SiC is not less than 10 percent; SiO in the SioxX-Zero powder255-70 percent by mass of A12O3The mass percentage of the component (A) is 25-40%.
Example 4
The cement-free iron runner castable comprises the following components in parts by weight:
wherein the mass percentage of SiC in the silicon carbide is not less than 95%; si in the saikailong powder3N4The mass percentage of the silicon carbide is not less than 70 percent, the mass percentage of the simple substance Si is not less than 10 percent, and the mass percentage of the SiC is not less than 10 percent; SiO in the SioxX-Zero powder255-70 percent by mass of A12O3The mass percentage of the component (A) is 25-40%.
The properties of the cement-free iron runner castable prepared in the above examples 1 to 4 are as follows:
the cement-free iron runner castable disclosed by the invention generates gas by means of hydration of calcium carbide powder, and generates a net-shaped bonding effect by means of hydration of gel powder, so that on one hand, the air permeability of the castable is improved, on the other hand, the generated calcium hydroxide can promote the hardening and strength of the castable, water in a cast body after molding does not exist in a chemical bonding mode, most of water exists in a gel structure and can be removed at a low temperature, so that the iron runner material has higher air permeability, the removal of gas and liquid at a baking temperature is facilitated, and the rapid construction of an iron runner is realized.
The SiOxX-Zero powder selected by the invention is in a high-temperature state, the generated mullite is in a solid-phase state, and is in contact with blast furnace slag, the reaction speed of the solid phase and the slag is far lower than that of a liquid-phase substance, so that the slag resistance of the iron runner material is improved, and simultaneously, in the generation process of the mullite, along with expansion and air hole blockage, the castable is promoted to be densified, the porosity is reduced, the permeation of slag is reduced, oxygen is also reduced to enter into the castable to oxidize SiC, and the slag resistance of the castable is ensured and the permeation resistance is also improved.
The cement-free iron runner castable disclosed by the invention is low in water addition, good in fluidity, high in hardening speed, stable in volume, good in mechanical strength at high temperature, compact in structure, high in hot strength, excellent in slag erosion resistance and stable in technical index, can reduce the liquid phase content in the iron runner lining under the use condition, enables the iron runner castable to have better thermal mechanical property at high temperature, and improves the high temperature strength and slag erosion resistance of the iron runner castable, so that the iron passing amount is increased, the consumption of ton iron refractory materials is reduced, the cement-free iron runner castable is particularly suitable for adopting a settlement mode of ton iron contract, the labor intensity is reduced, the working environment is improved, the service life of the iron runner is effectively prolonged, and the smooth production of a blast furnace is guaranteed.
The above description is illustrative and not restrictive. Many modifications and variations of the present invention will be apparent to those skilled in the art in light of the above teachings, which will fall within the spirit and scope of the invention.
Claims (7)
1. The cement-free iron runner castable is characterized by comprising the following components in parts by weight:
2. the cement-free iron runner castable material as claimed in claim 1, wherein the brown corundum includes three specifications of 8-15 mm, 5-8 mm and 3-5 mm in grain size, and the three specifications are as follows in parts by weight:
8-10 parts of 8-15 mm brown corundum
15-20 parts of 5-8 mm brown corundum
10-15 parts of 3-5 mm brown corundum.
3. The cement-free iron runner castable material as claimed in claim 1, wherein the white corundum includes two specifications of 1-3 mm and 0-1 mm in grain size, and the weight parts of each specification are as follows:
10-15 parts of 1-3 mm white corundum
3-8 parts of 0-1 mm white corundum.
4. The cement-free iron runner castable according to claim 1, wherein the particle size of the silicon carbide is 0 to 1 mm.
5. The cement-free iron runner castable according to claim 1 or 4, wherein the SiC is present in the silicon carbide in an amount of not less than 95% by mass.
6. The cement-free iron runner castable material as claimed in claim 1, wherein the cement-free iron runner castable material is characterized in thatIn that Si in the saikailong powder3N4The mass percentage of the silicon carbide is not less than 70 percent, the mass percentage of the simple substance Si is not less than 10 percent, and the mass percentage of the SiC is not less than 10 percent.
7. The cement-free iron runner castable material as claimed in claim 1, wherein the SiO in the siox-Zero powder255-70 percent by mass of A12O3The mass percentage of the component (A) is 25-40%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911082056.5A CN110937883A (en) | 2019-11-07 | 2019-11-07 | Cement-free iron runner castable |
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| CN201911082056.5A CN110937883A (en) | 2019-11-07 | 2019-11-07 | Cement-free iron runner castable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461432A (en) * | 2021-07-28 | 2021-10-01 | 巩义市芙豪冶金材料有限公司 | Anti-scouring anhydrous stemming |
| CN113788693A (en) * | 2021-10-12 | 2021-12-14 | 浙江锦诚新材料股份有限公司 | Coal injection pipe prefabricated part for cement kiln and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130327A (en) * | 2015-07-06 | 2015-12-09 | 唐山冀东发展集成房屋有限公司 | Modified gas-forming additive and lightweight concrete doped with a large amount of tailings wet slag |
| CN106278113A (en) * | 2016-08-10 | 2017-01-04 | 桃江县众泰新型建材有限责任公司 | A kind of environment friendly brick formula and preparation method thereof |
| CN106587958A (en) * | 2016-12-14 | 2017-04-26 | 巩义市科正冶金材料有限公司 | Cement-free iron trough castable for blast-furnace tapping and preparation method of cement-free iron trough castable |
| DE102016100810A1 (en) * | 2016-01-19 | 2017-07-20 | Deutsche Edelstahlwerke Gmbh | Refractory material and its use |
| CN109133881A (en) * | 2018-09-30 | 2019-01-04 | 上海宝九和耐火材料有限公司 | A kind of castable refractory |
| CN110372342A (en) * | 2019-08-15 | 2019-10-25 | 中冶武汉冶金建筑研究院有限公司 | A kind of no cement iron runner castable of skimming tool prefabricated component |
-
2019
- 2019-11-07 CN CN201911082056.5A patent/CN110937883A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130327A (en) * | 2015-07-06 | 2015-12-09 | 唐山冀东发展集成房屋有限公司 | Modified gas-forming additive and lightweight concrete doped with a large amount of tailings wet slag |
| DE102016100810A1 (en) * | 2016-01-19 | 2017-07-20 | Deutsche Edelstahlwerke Gmbh | Refractory material and its use |
| CN106278113A (en) * | 2016-08-10 | 2017-01-04 | 桃江县众泰新型建材有限责任公司 | A kind of environment friendly brick formula and preparation method thereof |
| CN106587958A (en) * | 2016-12-14 | 2017-04-26 | 巩义市科正冶金材料有限公司 | Cement-free iron trough castable for blast-furnace tapping and preparation method of cement-free iron trough castable |
| CN109133881A (en) * | 2018-09-30 | 2019-01-04 | 上海宝九和耐火材料有限公司 | A kind of castable refractory |
| CN110372342A (en) * | 2019-08-15 | 2019-10-25 | 中冶武汉冶金建筑研究院有限公司 | A kind of no cement iron runner castable of skimming tool prefabricated component |
Non-Patent Citations (1)
| Title |
|---|
| 中国冶金百科全书总编辑委员会《耐火材料》卷编辑委员会等: "《中国冶金百科全书 耐火材料》", 31 October 1997 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461432A (en) * | 2021-07-28 | 2021-10-01 | 巩义市芙豪冶金材料有限公司 | Anti-scouring anhydrous stemming |
| CN113788693A (en) * | 2021-10-12 | 2021-12-14 | 浙江锦诚新材料股份有限公司 | Coal injection pipe prefabricated part for cement kiln and preparation method thereof |
| CN113788693B (en) * | 2021-10-12 | 2023-11-28 | 浙江锦诚新材料股份有限公司 | Coal injection pipe prefabricated member for cement kiln and preparation method thereof |
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