The feasibility of Guandi meager lean coal for spraying in metalurgical furnaces is analysed ,to develop the spraying coal merket will bring good economic benefit for coal enterprises.

In allusion to the increasingly situation of coal resources, according to the analysis for quality of meager lean coal and thru 40kg small coke oven experiment and evidence success that use lower cost meager lean coal portion instead of lean coal, improved the coke quality and economic benefit.

A kind of gasification briquette with high hot and cold strength and properties of water proof, good thermal stability and other quality indexes meeting the requirement of coal gasification is developed using Hebi meager lean coal as raw material and organic and inorganic complex binder and by processes of cold molding and heat drying.

A kind of briquette was developed by using the Changzhi Ciilingshan meager coal and local production meager lean coal as raw material and two kind without drying binders and one drying type binder in laboratory.

Experimental studies on the explosion intensity of meagre-lean coal for BF injection;

Especially,it is innovative antibacterial materials when preparing activated carbon with cheap meagre-lean coal from Shanxi.

Minimum ignition temperature of meager-lean coal for BF injection;

Experimental research on accelerate agent influenced to returned fire length of meager-lean coal;

Research on Guandi meager lean coal as blast furnace PCI coal;