In gypsum board industry, the rotor on DSJ Series Drying Hammer crusher can break up and throw the desulfurized gypsum slag, whose water content is no more than 28%. During this process, the gypsum slag exchanges the heat with the intake hot air of 550 C, and then the max water content of the material is 1%, which goes into riser from outlet duct and then hot air …
As sand is a natural product, the properties of sand sometimes vary greatly and thus the demands on the screening machine are very high. Sand for the production of concrete is subject to relevant standards. They usually have a grain size between 0 and 2 mm, while gravel or chippings range from 2 to 8 mm. Perfect classification of sand
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