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Baking-free environment-friendly magnesia-calcium brick and preparation method thereof
The invention discloses a non-baking environment-friendly magnesia-calcium brick. The refractory material is prepared from the following raw materials in percentage by weight: 7-12% of fused magnesia-calcium sand with the particle size of 10-5mm, 12-20% of fused magnesia-calcium sand with the particle size of 5-3mm, 15-25% of fused magnesia-calcium sand with the particle size of 3-1mm, 10-20% of fused magnesia with the particle size of 1-0mm, 15-25% of fused magnesia with the particle size of less than or equal to 0.088 mm, 2-6% of graphite, 3-5% of thermosol resin, 0.5-1.5% of high-temperature asphalt powder and 1-3% of a composite additive. The invention has the beneficial effects that the product belongs to a non-baking product, is mainly used in steel ladles for smelting high-grade steel such as stainless steel, special steel and the like, has few production process links and low energy consumption, and belongs to a low-energy-consumption pollution-free environment-friendly product; compared with a fired magnesia-calcium brick, the product has good thermal shock resistance, the problems of peeling and cracking in the using process are well solved, and the service life of the product is longer; compared with the traditional magnesia carbon brick, the product has good molten steel purification capability; compared with a common magnesium-calcium-carbon product, the production process is simpler, no baking link exists in the production process, the energy consumption is low, and no irritant pollutants are generated.
本发明公开了一种不烘烤环保型镁钙砖，由以下原料按重量百分比配制而成：10‑5mm的电熔镁钙砂7‑12％、5‑3mm的电熔镁钙砂12‑20％、3‑1mm的电熔镁钙砂15‑25％、1‑0mm的电熔镁砂10‑20％、≤0.088mm的电熔镁砂15‑25％、石墨2‑6％、热溶胶树脂3‑5％、高温沥青粉0.5‑1.5％、复合添加剂1‑3％。本发明的有益效果是，本产品属于不烘烤制品，主要用在不锈钢、特殊钢等高级钢冶炼的钢包内，生产工艺环节少，能耗低，属于低能耗无污染环保型产品；并且本产品相比烧成镁钙砖，具有良好的热震性，很好地解决了使用过程中剥落和开裂的问题，产品寿命更高；相比传统的镁碳砖本产品又具有良好的净化钢水的能力；与一般的镁钙碳产品相比，生产工艺更简单，生产过程中无烘烤环节，能耗低且无刺激性污染物的产生。
Baking-free environment-friendly magnesia-calcium brick and preparation method thereof
The invention discloses a non-baking environment-friendly magnesia-calcium brick. The refractory material is prepared from the following raw materials in percentage by weight: 7-12% of fused magnesia-calcium sand with the particle size of 10-5mm, 12-20% of fused magnesia-calcium sand with the particle size of 5-3mm, 15-25% of fused magnesia-calcium sand with the particle size of 3-1mm, 10-20% of fused magnesia with the particle size of 1-0mm, 15-25% of fused magnesia with the particle size of less than or equal to 0.088 mm, 2-6% of graphite, 3-5% of thermosol resin, 0.5-1.5% of high-temperature asphalt powder and 1-3% of a composite additive. The invention has the beneficial effects that the product belongs to a non-baking product, is mainly used in steel ladles for smelting high-grade steel such as stainless steel, special steel and the like, has few production process links and low energy consumption, and belongs to a low-energy-consumption pollution-free environment-friendly product; compared with a fired magnesia-calcium brick, the product has good thermal shock resistance, the problems of peeling and cracking in the using process are well solved, and the service life of the product is longer; compared with the traditional magnesia carbon brick, the product has good molten steel purification capability; compared with a common magnesium-calcium-carbon product, the production process is simpler, no baking link exists in the production process, the energy consumption is low, and no irritant pollutants are generated.
本发明公开了一种不烘烤环保型镁钙砖，由以下原料按重量百分比配制而成：10‑5mm的电熔镁钙砂7‑12％、5‑3mm的电熔镁钙砂12‑20％、3‑1mm的电熔镁钙砂15‑25％、1‑0mm的电熔镁砂10‑20％、≤0.088mm的电熔镁砂15‑25％、石墨2‑6％、热溶胶树脂3‑5％、高温沥青粉0.5‑1.5％、复合添加剂1‑3％。本发明的有益效果是，本产品属于不烘烤制品，主要用在不锈钢、特殊钢等高级钢冶炼的钢包内，生产工艺环节少，能耗低，属于低能耗无污染环保型产品；并且本产品相比烧成镁钙砖，具有良好的热震性，很好地解决了使用过程中剥落和开裂的问题，产品寿命更高；相比传统的镁碳砖本产品又具有良好的净化钢水的能力；与一般的镁钙碳产品相比，生产工艺更简单，生产过程中无烘烤环节，能耗低且无刺激性污染物的产生。
Baking-free environment-friendly magnesia-calcium brick and preparation method thereof
一种不烘烤环保型镁钙砖及其制备方法
JIN FENG (author) / YANG DAJUN (author)
2022-03-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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