Preparation method for mullite-roller bed bar waste-cordierite product for hot-blast stove ceramic burner
A ceramic burner and mullite technology, which is applied in the field of preparation of mullite-roller bar waste-cordierite products for ceramic burners of hot blast stoves, can solve the problems of consumption of andalusite resources and high production cost, and achieve the composition of raw materials. Reasonable matching, simple manufacturing method, reasonable content and particle size distribution
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Embodiment 1
[0021] Will Al 2 o 3 Mullite 40%, Al with a content greater than 70% and a particle size of 3-1mm 2 o 3 Put 20% of the roller bar waste with a content greater than 70% and a particle size of 1-0.088mm into the high-speed sand mixer for 5 minutes, then add 3% of the total water and 4% of the binder, and mix for 5 minutes Then add 15% cordierite, sintered α-Al 2 o 3 5%, Guangxi clay 15%, silica powder 5%, high-speed mixing for 30 minutes, using a high-tonnage brick press to press the mixed mud into a high-density semi-finished product, and put the semi-finished product in a dryer to dry at a temperature of 150 ℃, time 30 hours, put the dried biscuit into the electric furnace, heat and sinter, the sintering temperature is 1380 ℃, the holding time is 8 hours, after sintering, it is released from the furnace, and prepared as mullite-roller bar waste for hot blast stove ceramic burner - Products of cordierite quality.
Embodiment 2
[0023] Will Al 2 o 3 Mullite 45%, Al with a content greater than 70% and a particle size of 3-1mm 2 o 3 Put 15% of roller bar waste with a content greater than 70% and a particle size of 1-0.088mm into a high-speed sand mixer for 5 minutes of mixing, then add 3% of the total water and 4% of binder, and mix for 5 minutes Then add cordierite 12%, sintered α-Al 2 o 3 8%, Guangxi clay 15%, silica powder 5%, high-speed mixing for 30 minutes, using a high-tonnage brick press to press the mixed mud into a high-density semi-finished product, and put the semi-finished product in a dryer to dry at a temperature of 150 ℃, time 30 hours, put the dried biscuit into the electric furnace, heat and sinter, the sintering temperature is 1380 ℃, the holding time is 8 hours, after sintering, it is released from the furnace, and prepared as mullite-roller bar waste for hot blast stove ceramic burner - Products of cordierite quality.
Embodiment 3
[0025] Will Al 2 o 3 Mullite 45%, Al with a content greater than 70% and a particle size of 3-1mm 2 o 3 Put 20% of the roller bar waste with a content greater than 70% and a particle size of 1-0.088mm into the high-speed sand mixer for 5 minutes, then add 3% of the total water and 4% of the binder, and mix for 5 minutes Then add cordierite 12%, sintered α-Al 2 o 36%, Guangxi clay 12%, silica powder 5%, high-speed mixing for 30 minutes, use a high-tonnage brick press to press the mixed mud into a high-density semi-finished product, put the semi-finished product in a dryer for drying, and the drying temperature is 150 ℃, time 30 hours, put the dried green body into the electric furnace, heat and sinter, the sintering temperature is 1400 ℃, the holding time is 8 hours, after sintering, it is released from the furnace, and prepared as mullite-roller rod waste for hot blast stove ceramic burner - Products of cordierite quality.
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