ZLG series grinder pump consists of 3-5 layers of rotor and stator, each layer of rotor and stator tooth gap from coarse to fine, can make all kinds of particles of different sizes of materials can be smoothly into the tooth disk for grinding, dispersion, fine, homogeneous layer by layer. The gap of the tooth disk can be adjusted manually or automatically, and the gap adjustment range is 0.2-20mm.