Filler material for furnace of baking powder of charcoal
A carbon roasting furnace and filling material technology, which is applied in the field of filling materials for carbon roasting furnaces, can solve the problems of wasting high-quality petroleum coke resources, and increasing the production cost of cathode and anode by filling coke, and achieves easy industrial implementation, reduced roasting cost, and is not easy to be crushed. Effect
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Embodiment 1
[0015] Pre-crushing and screening the calcined petroleum coke, anode roasted granules and dried boiler cinder to obtain 2-12 mm boiler cinder particles, 0.5-6 mm anode roasted granules and 1-8 mm calcined petroleum coke; Coal slag particles, anode roasted crushed particles and calcined petroleum coke particles are mixed according to a weight ratio of 1:50:49, put into a three-dimensional mixer and mixed for 15 minutes to obtain a filling material for a roasting furnace. The filling material can be directly used in the anode roasting furnace. After 12 roasting cycles in the laboratory, it is determined that the oxidation consumption per ton of the filling material is 3.7kg / t·C, which is higher than the average of pure calcined coke as the filling material. Oxidation loss decreased by 75.3%.
Embodiment 2
[0017] Pre-crushing and screening the calcined petroleum coke, anode roasting crushed particles and dried gasifier cinder to obtain 2-12mm coal gasifier cinder particles, 0.5-6mm anode roasting crushed particles and 1-8mm calcined For petroleum coke, coal slag particles, anode roasted crushed particles and calcined petroleum coke particles are mixed according to a weight ratio of 45:30:25, put into a three-dimensional mixer and mixed for 20 minutes to obtain a filling material for a roasting furnace. The filling material can be directly used in the anode roasting furnace. After 12 roasting cycles in the laboratory, it is determined that the oxidation consumption per ton of the filling material is 4.1kg / t·C, which is higher than the average of pure calcined coke as the filling material. Oxidation loss decreased by 72.7%.
Embodiment 3
[0019] Pre-crushing and screening the calcined petroleum coke, anode roasted crushed particles and dried mixed coal slag to obtain 2-12 mm mixed coal cinder particles, 0.5-6 mm anode roasted crushed particles and 1-8 mm calcined petroleum coke. Coal slag particles, anode roasted crushed particles and calcined petroleum coke particles are mixed according to a weight ratio of 30:10:60, put into a three-dimensional mixer and mixed for 25 minutes to obtain a filling material for a roasting furnace. The filling material can be directly used in the anode roasting furnace. After 12 roasting cycles, it is determined that the oxidation consumption per ton of products of this filling material is 4.9kg / t·C, which is higher than the average oxidation loss of pure calcined coke as the filling material. A drop of 67.3%.
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