Heat-resistant porcelain fired from spodumene raw material and production process of heat-resistant porcelain: Fid-Bau Portal

Heat-resistant porcelain fired from spodumene raw material and production process of heat-resistant porcelain

ZHANG RIPING / CHEN GUOBIN / JIANG JIANQUN / FAN PENGKAI

The invention belongs to the technical field of heat-resistant porcelain production, and particularly relates to heat-resistant porcelain fired from a spodumene raw material and a production process of the heat-resistant porcelain. The heat-resistant porcelain fired from the spodumene raw material and provided by the invention comprises the raw material components in parts by weight: 30-45 parts of the spodumene raw material, 30-40 parts of kaolin, 10-15 parts of magnesite, 5-10 parts of bauxite and 5-10 parts of clay. According to the invention, the heat-resistant porcelain is directly fired by using the spodumene raw material, the process of calcining the spodumene raw material into a clinker is reduced, the energy is saved, the production cost is reduced, the stability of physicochemical properties in the firing process of directly producing the heat-resistant porcelain by using the spodumene raw material is enhanced by adding the magnesite and the bauxite, meanwhile, the magnesite and the bauxite are both refractory raw materials, and thus the heat resistance of the heat-resistant porcelain is further improved; and a pug obtained according to the process disclosed by the invention is free of pores and easy to form, and the yield of the pug is remarkably improved.

本发明耐热瓷生产技术领域，具体涉及一种利用锂辉石生料烧制的耐热瓷及其生产工艺。本发明提供一种利用锂辉石生料烧制的耐热瓷，按重量份计，其原料组分包括：锂辉石生料30‑45份、高岭土30‑40份、菱镁矿10‑15份、铝土矿5‑10份、粘土5‑10份。本发明通过用锂辉石生料直接烧制耐热瓷，减少了将锂辉石生料煅烧成熟料的工序，节约了能源，降低了生产成本，加入菱镁矿、铝土矿增强了锂辉石生料直接生产耐热瓷烧制过程中理化性质的稳定性，同时菱镁矿和铝土矿均为耐火原料，进一步提高了耐热瓷的耐热性能，根据本发明工艺得到的泥料无毛孔，易成型，显著提高了其成品率。

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