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发明公开
CN101550019A 一种球式热风炉用复合耐火球及其制备方法 无效 - 撤回

一种球式热风炉用复合耐火球及其制备方法
摘要：
一种球式热风炉用复合耐火球及其制备方法，所述复合耐火球包括下述主料和结合剂；其中所述主料包括下述重量百分比的原料：粒度3～1mm的高铝矾土熟料30～60％、粒度1～0.088mm的高铝矾土熟料5～30％、粒度小于0.088mm的高铝矾土熟料10～25％、粒度小于0.044mm的高铝矾土熟料0～10％、刚玉0～10％、含氧化铬物料1～10％、含氧化锆物料1～10％、粘土2～8％、莫来石或含莫来石为主相物料2～10％；所述结合剂的加入量为主料重量的1～6％。本发明的制备方法采用困料、回碾、机压成型、坯体干燥，之后入隧道窑烧制而成，其烧制温度为1500℃～1600℃。
摘要（英）：

The present invention discloses a composite fire resistant ball for a ball type hot-air stove and a method for preparing same. The composite fire resistant ball includes main ingredient and anchoring agent as follows: wherein, the main ingredient includes raw materials by weight percentage as follows: bauxite chamotte with 3-1 mm graininess 30-60%, bauxite chamotte with 1-0.088 mm graininess 5-30%, bauxite chamotte with less than 0.088 mm graininess 10-25%, bauxite chamotte with less than 0.044 mm graininess 0-10%, adamantine spar 0-10%, chromic oxide material 1-10%, zircite material 1-10%, clay 2-8%, mullite or material using mullite as main phase 2-10%; the anchoring agent amount is 1-6% of the main ingredient weight. The preparing method includes steps as follows: ageing mixture, back rolling, mechanical pressing, blank body drying, then entering into tunnel kiln for burning, and the burning temperature in 1500-1600 deg c.

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