Scope-21

 Scope-21 Article

п»їNew coke making process utilizing poor coking / non coking coals.

TARGET

To build up suitable method to produce Blast Furnace grade coke by using poor coking/non coking coals which might lead to alternative of imported coal and self sufficiency in softdrink making raw materials.

PRESENT SCENARIO

Since the HUBBY cannot be managed without cola, efforts have been made to increase coke the oven life also to decrease coke consumption. Significant improvement are visible repair technology for coke oven refractories, pulverized coal injection in the BF, and development of the formed coke process.

Yet , pulverized fossil fuel injection plus the formed softdrink process simply cannot replace all of the coke used in the BF. New development capacity will eventually be necessary to replace aging coke stoves. The present coke-making process provides drawbacks such as emissions of particulates and harmful smells, low productivity, entailing high equipment expense, and high energy consumption because of high temperature digesting.

ABOUT RANGE 21

This kind of project is named SCOPE twenty one: The Super Coke The oven for Efficiency and Environment enhancement towards 21st century. It had been developed by the Japan Straightener and Stainlesss steel Federation and the Center to get Coal Usage, which was a ten-year (1994-2003) national task. SCOPE21 procedure has been created to realize this concepts, i actually. e. 1 . Effective utilization of coal methods

2 . High output

3. Energy saving

4. Environmental protection

OUTLINE OF THE METHOD

The SCOPE21 process provides three sub-processes:

1 . the rapid preheating of the fossil fuel charge

2 . the rapid carbonization, and

three or more. the reheating of softdrink carbonized up to medium temps.

The essence dividing the complete process into three sub-processes is to take advantage of the function of each method in order to maximize the total method efficiency.

SCHEMATIC DIAGRAM OF SCOPE twenty-one PROCESS CIRCULATION

The concept of the brand new coke-making procedure, consists of three...

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