Procede de cuisson du gypse et four pour sa mise en oeuvre
the means for stirring the product inside the oven consist of helical coils which extend between the inlet and the outlet, on the internal wall and comprise, mainly in the cylindrical central part, pallets positioned between the turns, so as to form, with the latter, a sort of shovel or bucket which, depending on the direction of rotation of the oven, will be active to effect stirring, or ...
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