A kind of tunnel kiln for iron ore magnetization roasting and iron ore magnetization roasting method
A technology of magnetization roasting and tunnel kiln, which is applied in the field of minerals and metallurgy, can solve the problems of low fuel utilization rate, air pollution, waste of energy, etc., and achieve the effects of reducing fuel consumption, benefiting environmental protection, and improving uniformity
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[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0032]A tunnel kiln for magnetizing and roasting iron ore, comprising a tunnel kiln body, a kiln-entry smoke extractor, a regenerative heat exchanger, and an atomized water cooling device arranged outside the tunnel kiln body. The tunnel kiln body 1 is sequentially divided into Drying preheating section 2, high temperature roasting section 3, flue gas cooling section 4, atomized water cooling section 5, dust removal and sewage discharge device 6 is also provided outside the tunnel kiln, at least one section is installed in the tunnel kiln; drying preheating section 2 includes Fume extractor 7 at the kiln end and a branch pipe 8 arranged at the smoke exhaust port at the kiln end; the high-temperature roasting section 3 includes a smoke exhaust port 9, a regenerative heat exchanger 10, a dust collector 11, a high-temperature roasting smoke extract...
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