High-tech Zone,Zhengzhou, Henan, ChinaChat on the Internet
Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lines. Process In sponge iron production plant by tunnel kiln method, after crushing and screening raw materials, iron ore, coal and limestone are mixed and charged in storage bins in certain ratios.
2.3 SPONGE IRON PRODUCTION PROCESS PARAMETERS Kiln performance is influenced by many parameters which include temperature, kiln pressure, kiln inclination and speed, raw material characteristics, feed rate and burden composition, coal slinging and heat transfer, kiln
Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. The reduction takes place using gaseous reductants (CO + H 2 ) which are generated through partial oxidation of coal (Reaction 3.3.1 ), reforming of methane by CO 2 /H 2 O (Reactions 3.3.2 and 3.3.3 ), or partial combustion of natural gas (Reaction 3.3.4 ).