Equipment reformation under bins led to screen under bins and decrease of powder proportion, which provide basic guarantee for a series of technique progress.

The testing results were analyzed by using the matchedt testing method, thus it was concluded that as-fired pulverized coal sample couldn .

Analysis of accuracy influence on individual boiler metering system of program controlled boiler firing coal;

Simulation research on the EAF dust online recycling and zinc oxide separation with coke bed filter was carried out by heating coke/dust samples in CO/CO2 gas mixture.

Using chemical reagent and EAF dust as experimental samples,the reduction of zinc oxide by solid carbon or CO/CO2 gas mixture was tested and the influence factors were analyzed.

The Zn Pb containing EAF dust of Guanzhou Iron & Steel Works has been examined and analyzed and proposal is put forward that the EAF dust is used as the Fe containing corrective addition to produce cement,and feasibility tests have already been carried out.