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What is the negative infulence of binder in coal briquettes process?

It's a common sense that in the production process of coal briquette machine, a certain amount of binder will be added into materials to increase their mutual cohesion, thus achieving the ultimate goal of enhancing briquetting and using effect. First we need to know what's the influence of binder on briquette production.
        1.It reduces the carbon content in the finished product, especially for some inorganic binder such as cement, lime and clay. 
        2.It increases the production cost of coal briquettes. Production cost is one of the most important issues people need to consider for the production line. Generally the price of binder is much higher than that of coal powder. Though only a small amount of binder is required in the production line, they will increase the cost, especially for some expensive binder.
        3. It complicates the briquetting process. We need to concern a lot of things when using binder, such as their adding ratio and the way to mix with coal powder.
        At present, the use of binder is still a trend in consideration of current briquetting technique, but no-binder briquetting technique is also the direction of future development.


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