A multi-stage combined pulverizer

Abstract

The invention provides a multi-stage combined pulverizer. The multi-stage combined pulverizer comprises a machine body; a feeding port is formed in the top of the machine body; and a discharging port is formed in the bottom of the machine body. Pulverizing cutters, pressing rollers, a blanking plate and a screen net are sequentially arranged in the machine body from top to bottom; the pressing rollers are arranged on the upper surface of the blanking plate; the pulverizing cutters are evenly installed on the surface of a rotating shaft; the rotating shaft and the pressing rollers are all driven by motors arranged outside the machine body; a first partition plate is vertically arranged in the machine body; the two or more sets of pulverizing cutters are arranged in the machine body; and the two sides of the first partition plate are each provided with one or more sets of the pulverizing cutters. The multi-stage combined pulverizer can convey materials without conforming to the requirements to the feeding port again through a pulse air blower and a circulating pipeline for secondary pulverizing, and the materials are saved; and meanwhile the set number of the pulverizing cutters and the mesh number of the screen net can be adjusted as required, and the application field of the pulverizer is widened.

Description

technical field [0001] The invention belongs to the field of chemical equipment, in particular to a multi-stage combined pulverizer. Background technique [0002] In the chemical industry, many products need to crush block materials into granular materials. Generally, the powder in the crushed materials is removed by using screening equipment. At present, there is a problem of excessive crushing in the pulverizer equipment, which makes the product forming rate of the granules low and the powder is more. [0003] At present, there are mainly three types of equipment for crushing materials: hammer type, grinding type, and extrusion type. The hammer-type crusher is equipped with a hammer on the rotating shaft, and the hammer is driven by the rotating shaft to hammer the material, which is only suitable for dry and brittle materials; the grinding-type crusher is through two grinding disc surfaces in the frame. The tooth grooves on the upper surface rub against each other, grin...

AI Technical Summary

Problems solved by technology

The hammer-type crusher is equipped with a hammer on the rotating shaft, and the hammer is driven by the rotating shaft to hammer the material, which is only suitable for dry and brittle materials; the grinding-type crusher is through two grinding disc surfaces in the frame. The tooth grooves on the upper surface rub against each other, grinding the material into small particles, the crushing efficiency is low, and it is suitable for the environment with low demand and slow processing speed; the extrusion type crushes the material through extrusion, and is suitable for crushing without fibers Brittle material

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