Mold for desulfurization circulation pump body of which the inner lining is macromolecule composite silicon carbide ceramics

The invention relates to a mold for a desulfurization circulation pump body of which an inner lining is macromolecule composite silicon carbide ceramics. The mold is provided with a pouring loop, wherein the pouring loop is divided into a pouring inner ring and a pouring outer ring; the pouring outer ring is arranged on the outer side of the pouring inner ring; a volute-casing module is arranged at the lower end of the pouring outer ring; an outlet module is formed between the volute-casing module and the pouring outer ring; a positioning ring is arranged at the lower end of the volute-casingmodule; and a casting head is arranged on the positioning ring. The mold disclosed by the invention is divided into the volute-casing module and the outlet module, so that the mold can be dispersed; when being needed, the mold is assembled, so that the disassembling and assembling of the mold are more convenient; and the pump bodies can be more convenient to cast, production requirements of large-scale preparing pump bodi