CN103130521B - Coating material on fireproof material for continuous casting device and use method thereof - Google Patents
Coating material on fireproof material for continuous casting device and use method thereof Download PDFInfo
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- CN103130521B CN103130521B CN201310093002.5A CN201310093002A CN103130521B CN 103130521 B CN103130521 B CN 103130521B CN 201310093002 A CN201310093002 A CN 201310093002A CN 103130521 B CN103130521 B CN 103130521B
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Abstract
The invention relates to a coating material on a fireproof material for a continuous casting device and a use method thereof. The coating material contains a first mixture and a second mixture, wherein the first mixture contains the following ingredients in percent by weight: 3-7% of boron glass powder, 18-36% of quartz, 19-23% of flint clay, 26-49% of potassium feldspar, 3-16% of Suzhou soil and 0.06-0.15% of carboxymethyl cellulose, and the second mixture contains the following ingredients in percent by weight: 53-67% of boron glass powder, 21-31% of potassium feldspar, 11-16% of Suzhou soil and 0.05-0.09% of carboxymethyl cellulose. Two enamel layers are formed on the fireproof material for the continuous casting device, the spraying can be carried out after the fireproof material for the continuous casting device is molded, and single enamel layers are not sprayed any more when the fireproof material for the continuous casting device is manufactured (the spraying is carried out after the fireproof material for the continuous casting device is molded through sintering), so that the completeness of the enamel layers is guaranteed, and the oxidation resistance is improved.
Description
Technical field
The present invention relates to a kind of coating and using method, especially a kind of for the coating on casting apparatus refractory materials and using method.
Background technology
In continuous casting of iron and steel production process, can use continuous-casting three-main-product fire resistive material product is stopper, submerged nozzle, long nozzle, because these goods can be subject to the exposed goods excessive temperature differentials that causes in air of very large thermal shocking and partial portion in use, need the good thermal shock resistance of goods and good thermal conductivity, because graphite has, coefficient of thermal expansion is little, thermal conductivity is high and Young's modulus is little, can improve the thermal shock resistance of continuous-casting three-main-product goods; In addition; graphite also has the molten steel of reduction and the wetting property of slag to refractory materials; can improve the advantages such as refractory materials erosion-resisting characteristics; continuous-casting three-main-product fire resistive material product can add graphite to improve its characteristic conventionally; crystalline flake graphite is incorporated in goods, when continuous-casting steel-making baking or use, directly contacts and can be oxidized with air, cause article construction loose; strength decreased, affects the problems such as work-ing life and potential safety hazard.For eliminating the problems referred to above, generally adopt antioxidizing paint to smear on continuous-casting three-main-product fire resistive material product surface, before graphite oxidation, coating can form the glaze layer of even compact, isolated air prevents the object of graphite oxidation, for the coating on casting apparatus refractory materials, is therefore a kind of important anti-oxidation materials, existing for coating and using method on casting apparatus refractory materials in, a kind of method is to smear before firing, because the weight that continuous-casting three-main-product fire resistive material product has is very heavy, in production process, can cause the coating of product surface to knock, draw, the phenomenon such as touch, if goods are exposed, deal with goods improperly while particularly burning till and can be oxidized and scrap, while burning till, goods should be burnt till and take into account again coating, can increase the consumption of electricity power, reduce production efficiency and burn till space availability ratio, increase the problems such as cost of burning till, now also do not have a kind of for the coating after firing.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the object of this invention is to provide a kind ofly for the coating on casting apparatus refractory materials and using method, therefore guaranteed the integrity of glaze layer to have improved resistance of oxidation.
For achieving the above object, the technical scheme that the present invention takes is: the coating on casting apparatus refractory materials, includes: according to weight ratio, first group of miscellany is set to include boron glass powder 3% ~ 7%; Quartzy 18% ~ 36%; Flint clay 19% ~ 23%; Potassium felspar sand 26% ~ 49%; Suzhou soil 3% ~ 16%; Carboxymethyl cellulose 0.06% ~ 0.15%; Second group of miscellany is set to include boron glass powder 53% ~ 67%; Potassium felspar sand 21% ~ 31%; Suzhou soil 11% ~ 16%; Carboxymethyl cellulose 0.05% ~ 0.09%.
First group of miscellany be take potassium felspar sand as main raw material, and potassium felspar sand melting is long interval time, and melt viscosity is high, fusion range is wide is applicable to doing glaze, Suzhou soil regulates the state of suspension, and Suzhou soil easily dispersion suspension, in water, has good plasticity-and high cohesiveness.Flint clay and quartzy temperature and the scope of adjusting coating formation glaze, carboxymethyl cellulose is done dispersion agent, stablizer, sizing agent etc. makes coating suspension more stable; Second group of miscellany be take boron glass powder as main raw material, and potassium felspar sand is auxiliary material, and boron glass is the high-efficiency anti-oxidation agent of carbonaceous material, is the main raw material of antioxidizing paint, because the B in boron glass
2o
3be a kind of glass network former, in system, have R
2b during O component
3+with [BO
4] form exist, play repairing network.
The present invention has designed, for the coating on casting apparatus refractory materials, according to weight ratio, include: first group of miscellany is set to include boron glass powder 4.5%, quartz 22%, flint clay 21%, potassium felspar sand 35%, Suzhou soil 8%, carboxymethyl cellulose 0.09%; Second group of miscellany is set to include boron glass powder 59%, potassium felspar sand 25%, Suzhou soil 14%, carboxymethyl cellulose 0.06%.
The present invention has designed, for the coating on casting apparatus refractory materials, according to weight ratio, include: first group of miscellany is set to include boron glass powder 6.9%, quartz 19%, flint clay 20%, potassium felspar sand 33%, Suzhou soil 15%, carboxymethyl cellulose 0.11%; Second group of miscellany is set to include boron glass powder 65%, potassium felspar sand 22%, Suzhou soil 14%, carboxymethyl cellulose 0.058%.
The present invention has designed, be used for the using method on casting apparatus refractory materials: its step: first group of miscellany or second group of miscellany, water and water glass are mixed into mixed solution according to the ratio of weight ratio 1.80-2.21:1:0.56 ~ 0.71, mixed solution is poured in ball mill, grinding is not less than 2 hours and forms coating mixed solution, the thickness that the coating mixed solution of first group of miscellany is sprayed on for casting apparatus refractory body is 0.3 ~ 0.5mm, the thickness that the coating mixed solution of second group of miscellany is sprayed on for casting apparatus refractory body is 0.2 ~ 0.4mm, in drying shed, dry, then in retort furnace, carry out sintering.
The present invention has designed, be used for the using method on casting apparatus refractory materials: its step: first group of miscellany, water and water glass are mixed into first group of mixed solution according to the ratio of weight ratio 1.80-2.21:1:0.56 ~ 0.71, first group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, first group of mixed solution removed to impurity by 60 object screen filtrations, firing temperature be 900 ℃ burnt till for casting apparatus refractory body, cooling to 140 ℃ of left and right comes out of the stove, blow away after surperficial floating dust, evenly spraying is through first group of mixed solution of filtration, coating thickness is 0.3 ~ 0.5mm, in being the drying shed of 110 ℃ ~ 130 ℃, temperature dries, coating parches and guarantees that goods are in drying shed temperature-stable for some time simultaneously, second group of miscellany, water and water glass are mixed into second group of mixed solution according to the ratio of weight ratio 1.80-2.21:1:0.56 ~ 0.71, second group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, second group of mixed solution removed to impurity by 60 object screen filtrations, be coated with first group of mixed solution for casting apparatus refractory body on evenly spray again second group of mixed solution, thickness is 0.2 ~ 0.4mm, after parching, in retort furnace, in temperature, be in 1280 ℃, to carry out aerobic sintering.
Owing to having designed first group of miscellany and second group of miscellany, on for casting apparatus refractory body, formed two-layer glaze layer, in casting apparatus, refractory body sprays after burning till, and has therefore guaranteed the integrity of glaze layer, has improved resistance of oxidation.
In the technical program, for casting apparatus refractory body, refer to that continuous-casting three-main-product fire resistive material product is stopper, submerged nozzle, long nozzle.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of product appearance of the present invention.
Embodiment
First embodiment of the present invention, for the coating on casting apparatus refractory materials, according to weight ratio, include: first group of miscellany is set to include boron glass powder 3%, quartz 18%, flint clay 19%, potassium felspar sand 26%, Suzhou soil 3%, carboxymethyl cellulose 0.06%; Second group of miscellany is set to include boron glass powder 53%, potassium felspar sand 21%, Suzhou soil 11%, carboxymethyl cellulose 0.05%.
In the present embodiment, boron glass powder refers to 39%～41% potassium felspar sand and melting in the smelting furnace of 900 ℃～1000 ℃ of left and right after 59%～61% borax powder mixes, and flows in cooling pool, becomes vitreous solid after cooling, is boron glass.
In the present embodiment, quartz refers to that main component is silicon-dioxide, often contains a small amount of impurity component as the inorganic mineral of Al2O3, Fe2O3 etc.
In the present embodiment, flint clay refers to and contains the hard fireclay that content is greater than 38% Al2O3.
In the present embodiment, potassium felspar sand refers to the aluminium silicate mineral of basic metal such as containing potassium, sodium, calcium or alkaline-earth metal.
In the present embodiment, Suzhou soil refers to the remaining type of middle low temperature hot liquid alteration
kaolin.
In the present embodiment, carboxymethyl cellulose refers to cellulosic carboxymethyl group substitution product.
For the using method on casting apparatus refractory materials, its step: first group of miscellany, water and water glass are mixed into first group of mixed solution according to the ratio of weight ratio 1.80:1:0.56, first group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, first group of mixed solution removed to impurity by 60 object screen filtrations, firing temperature be 900 ℃ burnt till for casting apparatus refractory body, cooling to 140 ℃ of left and right comes out of the stove, blow away after surperficial floating dust, evenly spraying is through first group of mixed solution of filtration, coating thickness is 0.3 ~ 0.5mm, in being the drying shed of 110 ℃ ~ 130 ℃, temperature dries, coating parches and guarantees that goods are in drying shed temperature-stable for some time simultaneously, second group of miscellany, water and water glass are mixed into second group of mixed solution according to the ratio of weight ratio 1.80:1:0.56, second group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, second group of mixed solution removed to impurity by 60 object screen filtrations, be coated with first group of mixed solution for casting apparatus refractory body on evenly spray again second group of mixed solution, thickness is 0.2 ~ 0.4mm, after parching, in retort furnace, in temperature, be in 1280 ℃, to carry out aerobic sintering.
In the present embodiment, by top temperature, be the retort furnace of 1300 ℃, in independent every layer of sintering process, first group of mixed solution forms duricrust at 370 ℃, temperature is raised to 780 ℃ of first group of mixed solutions and starts melting, forms the glaze layer of uniform spreading, at 1280 ℃ of glaze formable layers at 1180 ℃ of first group of mixed solutions; Second group of mixed solution forms duricrust at 350 ℃, and temperature is raised to 640 ℃ of second group of mixed solutions and starts melting, forms the glaze layer of uniform spreading, at 1000 ℃ of glaze formable layers at 800 ℃ of second group of mixed solutions; Form the glassy transparent glaze layer of thick 0.58mm even compact for casting apparatus refractory materials surface, glaze layer with for casting apparatus refractory body, combine closely, for casting apparatus refractory body, there is no the phenomenon being oxidized.
The present invention uses the antioxidizing paint at continuous-casting three-main-product fire resistive material product, can be used on the continuous-casting three-main-product fire resistive material product of graphitiferous amount 8% ~ 30% or the mean thermal expansion coefficients of continuous-casting three-main-product fire resistive material product 7.8 * 10
-8~ 4.4 * 10
-8, continuous-casting steel-making baking or while using, antioxidizing paint forms the glassy glaze layer of even compact and glaze layer and goods and combines closely, and does not drip glaze crawling phenomenon, and glaze layer thickness is at 0.4 ~ 0.7mm, extraordinaryly plays anti-oxidation object.After having burnt till for casting apparatus refractory body, smear again antioxidizing paint, when continuous-casting steel-making baking or use, antioxidizing paint forms glaze layer, play anti-oxidation object, this method is paid close attention to only and has been burnt till goods, according to goods proportion design, reducing firing temperature also can burn till goods, while adopting in addition canned air-tight manner burnt product, bonding agent in goods can discharge some gases, in tank, form pressure-fired, do not worry the problem of goods oxidation, can also save electricity power, improve and burn till space availability ratio and production efficiency.
Second embodiment of the present invention, for the coating on casting apparatus refractory materials, according to weight ratio, include: first group of miscellany is set to include boron glass powder 7%, quartz 36%, flint clay 23%, potassium felspar sand 49%, Suzhou soil 16%, carboxymethyl cellulose 0.15%; Second group of miscellany is set to include boron glass powder 67%, potassium felspar sand 31%, Suzhou soil 16%, carboxymethyl cellulose 0.09%.
For the using method on casting apparatus refractory materials, its step: first group of miscellany, water and water glass are mixed into first group of mixed solution according to the ratio of weight ratio 2.21:1:0.71, first group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, first group of mixed solution removed to impurity by 60 object screen filtrations, firing temperature be 900 ℃ burnt till for casting apparatus refractory body, cooling to 140 ℃ of left and right comes out of the stove, blow away after surperficial floating dust, evenly spraying is through first group of mixed solution of filtration, coating thickness is 0.3 ~ 0.5mm, in being the drying shed of 110 ℃ ~ 130 ℃, temperature dries, coating parches and guarantees that goods are in drying shed temperature-stable for some time simultaneously, second group of miscellany, water and water glass are mixed into second group of mixed solution according to the ratio of weight ratio 2.21:1:0.71, second group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, second group of mixed solution removed to impurity by 60 object screen filtrations, be coated with first group of mixed solution for casting apparatus refractory body on evenly spray again second group of mixed solution, thickness is 0.2 ~ 0.4mm, after parching, in retort furnace, in temperature, be in 1280 ℃, to carry out aerobic sintering.
The 3rd embodiment of the present invention, for the coating on casting apparatus refractory materials, according to weight ratio, include: first group of miscellany is set to include boron glass powder 5%, quartz 27%, flint clay 21%, potassium felspar sand 37%, Suzhou soil 10%, carboxymethyl cellulose 0.10%; Second group of miscellany is set to include boron glass powder 60%, potassium felspar sand 26%, Suzhou soil 14%, carboxymethyl cellulose 0.07%.
For the using method on casting apparatus refractory materials, its step: first group of miscellany, water and water glass are mixed into first group of mixed solution according to the ratio of weight ratio 2.00:1:0.64, first group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, first group of mixed solution removed to impurity by 60 object screen filtrations, firing temperature be 900 ℃ burnt till for casting apparatus refractory body, cooling to 140 ℃ of left and right comes out of the stove, blow away after surperficial floating dust, evenly spraying is through first group of mixed solution of filtration, coating thickness is 0.3 ~ 0.5mm, in being the drying shed of 110 ℃ ~ 130 ℃, temperature dries, coating parches and guarantees that goods are in drying shed temperature-stable for some time simultaneously, second group of miscellany, water and water glass are mixed into second group of mixed solution according to the ratio of weight ratio 2.00:1:0.64, second group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, second group of mixed solution removed to impurity by 60 object screen filtrations, be coated with first group of mixed solution for casting apparatus refractory body on evenly spray again second group of mixed solution, thickness is 0.2 ~ 0.4mm, after parching, in retort furnace, in temperature, be in 1280 ℃, to carry out aerobic sintering.
The 4th embodiment of the present invention, for the coating on casting apparatus refractory materials, according to weight ratio, include: first group of miscellany is set to include boron glass powder 4.5%, quartz 22%, flint clay 21%, potassium felspar sand 35%, Suzhou soil 8%, carboxymethyl cellulose 0.09%; Second group of miscellany is set to include boron glass powder 59%, potassium felspar sand 25%, Suzhou soil 14%, carboxymethyl cellulose 0.06%.
For the using method on casting apparatus refractory materials, its step: first group of miscellany, water and water glass are mixed into first group of mixed solution according to the ratio of weight ratio 1.89:1:0.59, first group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, first group of mixed solution removed to impurity by 60 object screen filtrations, firing temperature be 900 ℃ burnt till for casting apparatus refractory body, cooling to 140 ℃ of left and right comes out of the stove, blow away after surperficial floating dust, evenly spraying is through first group of mixed solution of filtration, coating thickness is 0.3 ~ 0.5mm, in being the drying shed of 110 ℃ ~ 130 ℃, temperature dries, coating parches and guarantees that goods are in drying shed temperature-stable for some time simultaneously, second group of miscellany, water and water glass are mixed into second group of mixed solution according to the ratio of weight ratio 1.88:1:0.62, second group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, second group of mixed solution removed to impurity by 60 object screen filtrations, be coated with first group of mixed solution for casting apparatus refractory body on evenly spray again second group of mixed solution, thickness is 0.2 ~ 0.4mm, after parching, in retort furnace, in temperature, be in 1280 ℃, to carry out aerobic sintering.
The 5th embodiment of the present invention, for the coating on casting apparatus refractory materials, according to weight ratio, include: first group of miscellany is set to include boron glass powder 6.9%, quartz 19%, flint clay 20%, potassium felspar sand 33%, Suzhou soil 15%, carboxymethyl cellulose 0.11%; Second group of miscellany is set to include boron glass powder 65%, potassium felspar sand 22%, Suzhou soil 14%, carboxymethyl cellulose 0.058%.
For the using method on casting apparatus refractory materials, its step: first group of miscellany, water and water glass are mixed into first group of mixed solution according to the ratio of weight ratio 2.11:1:0.59, first group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, first group of mixed solution removed to impurity by 60 object screen filtrations, firing temperature be 900 ℃ burnt till for casting apparatus refractory body, cooling to 140 ℃ of left and right comes out of the stove, blow away after surperficial floating dust, evenly spraying is through first group of mixed solution of filtration, coating thickness is 0.3 ~ 0.5mm, in being the drying shed of 110 ℃ ~ 130 ℃, temperature dries, coating parches and guarantees that goods are in drying shed temperature-stable for some time simultaneously, second group of miscellany, water and water glass are mixed into second group of mixed solution according to the ratio of weight ratio 2.00:1:0.61, second group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, second group of mixed solution removed to impurity by 60 object screen filtrations, be coated with first group of mixed solution for casting apparatus refractory body on evenly spray again second group of mixed solution, thickness is 0.2 ~ 0.4mm, after parching, in retort furnace, in temperature, be in 1280 ℃, to carry out aerobic sintering.
The present invention has lower feature:
1, owing to having designed first group of miscellany and second group of miscellany, on for casting apparatus refractory body, formed two-layer glaze layer, in casting apparatus, refractory body sprays after burning till, and has therefore guaranteed the integrity of glaze layer, has improved resistance of oxidation.
2, owing to having designed first group of miscellany and second group of miscellany, the characteristic of using method composite coating, glaze layer intensity is large.
Above-described embodiment is a kind of way of realization for the coating on casting apparatus refractory materials and using method provided by the present invention; according to other distortion of scheme provided by the present invention; increase or reduce composition or step wherein; or the technical field approaching with the present invention by the present invention for other, all belongs to protection scope of the present invention.
Claims (5)
1. one kind for the coating on casting apparatus refractory materials; It is characterized in that: include: according to weight ratio, first group of miscellany is set to include boron glass powder 3% ~ 7%; Quartzy 18% ~ 36%; Flint clay 19% ~ 23%; Potassium felspar sand 26% ~ 49%; Suzhou soil 3% ~ 16%; Carboxymethyl cellulose 0.06% ~ 0.15%; Second group of miscellany is set to include boron glass powder 53% ~ 67%; Potassium felspar sand 21% ~ 31%; Suzhou soil 11% ~ 16%; Carboxymethyl cellulose 0.05% ~ 0.09%.
2. according to claim 1 for the coating on casting apparatus refractory materials; It is characterized in that: according to weight ratio, include: first group of miscellany is set to include boron glass powder 4.5%, quartz 22%, flint clay 21%, potassium felspar sand 35%, Suzhou soil 8%, carboxymethyl cellulose 0.09%; Second group of miscellany is set to include boron glass powder 59%, potassium felspar sand 25%, Suzhou soil 14%, carboxymethyl cellulose 0.06%.
3. according to claim 1 for the coating on casting apparatus refractory materials; It is characterized in that: according to weight ratio, include: first group of miscellany is set to include boron glass powder 6.9%, quartz 19%, flint clay 20%, potassium felspar sand 33%, Suzhou soil 15%, carboxymethyl cellulose 0.11%; Second group of miscellany is set to include boron glass powder 65%, potassium felspar sand 22%, Suzhou soil 14%, carboxymethyl cellulose 0.058%.
4. according to claim 1 for the coating on casting apparatus refractory materials, it is characterized in that: for the using method on casting apparatus refractory materials: its step: first group of miscellany, water and water glass or second group of miscellany, water and water glass are mixed into mixed solution according to the ratio of weight ratio 1.80-2.21:1:0.56 ~ 0.71, mixed solution is poured in ball mill, grinding is not less than 2 hours and forms coating mixed solution, the thickness that the coating mixed solution of first group of miscellany is sprayed on for casting apparatus refractory body is 0.3 ~ 0.5mm, the thickness that the coating mixed solution of second group of miscellany is sprayed on for casting apparatus refractory body is 0.2 ~ 0.4mm, in drying shed, dry, then in retort furnace, carry out sintering.
5. according to claim 4 for the coating on casting apparatus refractory materials, it is characterized in that: for the using method on casting apparatus refractory materials: its step: first group of miscellany, water and water glass are mixed into first group of mixed solution according to the ratio of weight ratio 1.80-2.21:1:0.56 ~ 0.71, first group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, first group of mixed solution removed to impurity by 60 object screen filtrations, firing temperature be 900 ℃ burnt till for casting apparatus refractory body, cooling to 140 ℃ comes out of the stove, blow away after surperficial floating dust, evenly spraying is through first group of mixed solution of filtration, coating thickness is 0.3 ~ 0.5mm, in being the drying shed of 110 ℃ ~ 130 ℃, temperature dries, coating parches and guarantees that goods are in drying shed temperature-stable for some time simultaneously, second group of miscellany, water and water glass are mixed into second group of mixed solution according to the ratio of weight ratio 1.80-2.21:1:0.56 ~ 0.71, second group of mixed solution poured in ball mill, keep ball mill revolution >=60 rev/min, grind 4 hours, second group of mixed solution removed to impurity by 60 object screen filtrations, be coated with first group of mixed solution for casting apparatus refractory body on evenly spray again second group of mixed solution, thickness is 0.2 ~ 0.4mm, after parching, in retort furnace, in temperature, be in 1280 ℃, to carry out aerobic sintering.
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| CN107601883B (en) * | 2017-07-27 | 2020-04-28 | 浙江铁狮高温材料有限公司 | Glaze coating and using method thereof |
| CN110183219A (en) * | 2019-04-30 | 2019-08-30 | 浙江攀盛冶金材料有限公司 | A kind of higher forsterite coating of fire resistance |
| CN112125522A (en) * | 2020-04-23 | 2020-12-25 | 无锡市南方耐材有限公司 | Continuous casting three-piece composite oxidation-resistant erosion-resistant ceramic glaze and preparation method thereof |
| CN112500176A (en) * | 2021-02-05 | 2021-03-16 | 北京利尔高温材料股份有限公司 | Anti-oxidation coating for ladle slag line, coating and preparation method thereof |
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| GB1067436A (en) * | 1962-11-29 | 1967-05-03 | John Olle Andersson | Paint or coating composition |
| CN101062521A (en) * | 2007-04-30 | 2007-10-31 | 山东中齐耐火材料有限公司 | Non-fabric heat-proof coating material for continuous casting nozzle |
| CN101134853A (en) * | 2006-08-31 | 2008-03-05 | 宝山钢铁股份有限公司 | Coating material preventing carbon deposition of coke oven and method for making same |
| CN101602613A (en) * | 2009-07-30 | 2009-12-16 | 张彦文 | A kind of high temperature resistant far infrared nano paint and preparation method |
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| GB1067436A (en) * | 1962-11-29 | 1967-05-03 | John Olle Andersson | Paint or coating composition |
| CN101134853A (en) * | 2006-08-31 | 2008-03-05 | 宝山钢铁股份有限公司 | Coating material preventing carbon deposition of coke oven and method for making same |
| CN101062521A (en) * | 2007-04-30 | 2007-10-31 | 山东中齐耐火材料有限公司 | Non-fabric heat-proof coating material for continuous casting nozzle |
| CN101602613A (en) * | 2009-07-30 | 2009-12-16 | 张彦文 | A kind of high temperature resistant far infrared nano paint and preparation method |
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