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Below is a brief overview on these two types of kilns.Direct-fired kilns.Direct-fired rotary kilns rely on direct contact between the process gas and the material in order to heat the material to the specified temperature.Direct-fired kilns can be either of the co-current design, or counter current design, referring to the direction that the.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.