Raw material preheating production method for smelting titanium slag
A production method and technology of titanium slag, which is applied in the field of preheating production of raw materials for smelting titanium slag, can solve the problems of insufficient utilization of sensible heat of titanium slag electric furnace tail gas, high production costs of enterprises, and high power consumption, so as to save heating time , Save power consumption, reduce the overall energy consumption effect
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Embodiment 1
[0023] 6300kVA titanium slag electric furnace, the flue gas temperature is 800°C, the moisture content of titanium concentrate is 8%, the moisture content of anthracite is 10%, the weight ratio of titanium concentrate to anthracite in the mixing bin is 100:15, and the temperature of the mixture after preheating is 350°C, the temperature of titanium concentrate is 300°C, the temperature of anthracite is 280°C, the total weight of the material after preheating is 20t, the power consumption of smelting 80 grade titanium slag directly into the furnace is 2800kWh, and the smelting time of a single furnace is 7h , the power consumption of smelting titanium slag after preheating is 2600kWh, and the smelting time of single furnace is 6h.
Embodiment 2
[0025] 12500kVA titanium slag electric furnace, the flue gas temperature is 1000℃, the moisture content of titanium concentrate is 10%, the moisture content of anthracite is 4%, the weight ratio of titanium concentrate and anthracite in the mixing bin is 100:12, and the temperature of the mixture after preheating is 400°C, the temperature of titanium concentrate is 360°C, the temperature of anthracite is 320°C, the total weight of the material after preheating is 50t, the power consumption of smelting 74 grade titanium slag directly into the furnace is 2500kWh, and the smelting time of single furnace is 8h , the power consumption of smelting titanium slag after preheating is 2300kWh, and the smelting time of single furnace is 6.5h.
Embodiment 3
[0027] 12500kVA titanium slag electric furnace, the flue gas temperature is 1250°C, the moisture content of titanium concentrate is 9%, the moisture content of coke is 8%, the weight ratio of titanium concentrate to coke in the mixing bin is 100:11, and the temperature of the mixture after preheating is 500°C, the temperature of titanium concentrate is 400°C, the temperature of anthracite is 3500°C, the total weight of the material after preheating is 12t, the power consumption of smelting 74 grade titanium slag directly into the furnace is 2400kWh, and the smelting time of single furnace is 10h , the power consumption of smelting titanium slag after preheating is 2250kWh, and the smelting time of single furnace is 8.5h.
[0028] After the smelting method of the present invention, the power consumption is effectively reduced, and the smelting time is also significantly shortened compared with the traditional smelting method, which greatly improves the economic benefits of produ...
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