Magnesium binder used for pellet and preparation method and addition method thereof
A binder and magnesia technology, applied in the field of sintering additives, can solve the problems of high MgO content in sintered ore, reducing calcium ferrite content in sintered ore, influence of thermal state indicators, etc.
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Embodiment 1
[0022] Weigh the main chemical components as MgO33%, SiO 2 38% raw materials magnesite powder 350kg, bentonite 480kg, sodium carbonate 50kg, active lime 120kg.
[0023] Put the above-mentioned magnesite powder, bentonite and active lime into the grinder respectively, and make the particle size reach -320 mesh through fine grinding with a pass rate of 90%. Then blend the finely ground magnesite powder, bentonite and active lime together, put them into a powerful mixer for mixing, and gradually add 50kg of sodium carbonate while mixing. After the sodium carbonate and other raw materials are mixed evenly, take it out from the intensive mixer, put it in the sun to dry for 7.5 hours, and pack it in a large bag to become the finished product.
[0024] Before adding and using, put the magnesium binder into the pneumatic conveying tank car, and drive the pneumatic conveying tank car to the vicinity of the magnesium binder silo. Then use a pneumatic conveying tanker to transport the ...
Embodiment 2
[0026] Weigh the main chemical components as MgO36%, SiO 2 37% raw materials magnesite powder 320kg, bentonite 500kg, sodium carbonate 40kg, active lime 140kg.
[0027] Put the above-mentioned magnesite powder, bentonite and active lime into the grinder respectively, and make the particle size reach -320 mesh through fine grinding with a pass rate of 88%. Then blend the finely ground magnesite powder, bentonite and active lime together, put them into a powerful mixer for mixing, and gradually add 40kg of sodium carbonate while mixing. After the sodium carbonate and other raw materials are evenly mixed, take it out of the intensive mixer, put it in the sun for 9 hours, and pack it in a big bag to become the finished product.
[0028] Before adding and using, put the magnesium binder into the pneumatic conveying tank car, and drive the pneumatic conveying tank car to the vicinity of the magnesium binder silo. Then use a pneumatic conveying tanker to transport the prepared magn...
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