Material for sealing cathode steel bar of aluminum electrolytic tank

• Main Authors: LIANG XUEMIN, WANG YOUSHAN, BAI YUZHU, KANG XIAODONG, XUE GUOHUI, FENG BING, ZHOU WANWEI, YUAN DONGXU, LIU JING
• Format: Patent
• Language: Chinese; English
• Published: 09.03.2011
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

The invention discloses a material for sealing a cathode steel bar of an aluminum electrolytic tank, which is prepared by mixing refractory particles, mixture of aluminum oxide powder and a refractory material, a binding agent and water according to a certain proportion, wherein the refractory particles account for 30-60% by weight, the mixture of the aluminum oxide powder and the refractory material accounts for 25-55% by weight, the binding agent accounts for 5-18% by weight and the water accounts for 7-15% by weight; the refractory particles adopt aluminum silicate particles or silicon oxide particles, and the binding agent adopts high aluminum cement or water glass; the required materials are poured into a stirring machine according to the proportion during the production, the stirring is firstly carried out for 3-5min for uniformly mixing and stirring the added materials, then an appropriate amount of the water is added for stirring for 5-10min, the stirring is stopped after confirming that the stirred m