As the core fuel for industrial furnaces, smelting, and casting, fuel stability and combustion efficiency directly determine production costs and equipment lifespan. in the past, many businesses faced issues like furnace coking, significant calorific value fluctuations, and excessive ash content due to the use of low-quality coal, which not only impacted production but also increased equipment maintenance burdens. nowadays, high-temperature, long-burning, smokeless coal, boasting a calorific value of up to 6..