Method for producing pellets from laterite-nickel ore
A technology of lateritic nickel ore and pellet ore, which is applied in the field of ferronickel production technology, can solve the problems of complex application of technical technology and large investment, and achieve the effect of low exploration cost, good physical properties and reduced production cost
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Embodiment 1
[0039] The method for producing pellets from laterite nickel ore comprises the following steps, the first step, batching, including: bentonite with a mass fraction of 1%, quicklime at 1%, and nickel oxide at 98%; Add water to the mixed mixture in the first step until the water content is 10%, and then use a pelletizing machine to make pellets; the third step is to sieve and remove the raw materials with a particle size of less than 10mm to obtain qualified green pellets; the fourth step is to roast and solidify The knot is roasted at a temperature of 1300±100° C. for 60 minutes; the fifth step is to lower the temperature to obtain nickel pellets.
Embodiment 2
[0041] The method for producing pellets from laterite nickel ore comprises the following steps, the first step, batching, including: bentonite with a mass fraction of 4%, quicklime at 3%, and nickel oxide at 93%; Add water to the mixed mixture in the first step until the water content is 15%, and then use a pelletizer to make pellets; the third step is to sieve and remove the raw materials with a particle size of less than 10mm to obtain qualified green pellets; the fourth step is to roast and solidify The knot is roasted at a temperature of 1300±100° C. for 60 minutes; the fifth step is to lower the temperature to obtain nickel pellets.
Embodiment 3
[0043] The method for producing pellets from lateritic nickel ore comprises the following steps, the first step, batching, including: bentonite with a mass fraction of 2%, quicklime at 8%, and nickel oxide at 10%; Add water to the mixed mixture in the first step until the moisture content is 13%, and then use a pelletizer to make pellets; the third step is to sieve and remove the raw materials with a particle size of less than 10 mm to obtain qualified green pellets; the fourth step is to roast and solidify The knot is roasted at a temperature of 1300±100° C. for 60 minutes; the fifth step is to lower the temperature to obtain nickel pellets.
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