The ZMC medium consistency pump adopts a front stirring impeller structure, which can separate gas and liquid, and stir the pump inlet slurry to avoid clogging. In addition, the pump has a built-in vacuum impeller, which can separate and discharge the air contained in the medium in the pump. It is especially suitable for conveying high-concentration pulp. The fiber content of the pumping medium can reach up to 15%. It is also especially suitable for conveying sugar beet pulp.