Pulverizer

Abstract

The invention provides a pulverizer. The pulverizer comprises a shell, a feeding opening, a discharging opening and a pulverizing device located inside the shell; the pulverizing device comprises a grinding disc and at least one grinding wheel, and the grinding disc is driven by a rotating shaft to rotate in the horizontal direction; and the grinding wheel is rotationally connected to a pressing roller shaft, and one end, located outside the shell, of the pressing roller shaft is rotationally connected with a lifting device through a pressing roller bracket. According to the pulverizer, raw materials capable of being pulverized through the pulverizer are wide, and all the materials with the hardness lower than seven stages can be pulverized; the granularity of pulverized products can reach 5000 meshes, the optical property, the stickiness and the like of down-stream products are more excellent, and PVC pipes, oil paint additives, marble and the like can be prepared; the pulverizer is environment-friendly and free of pollution; a negative pressure system is arranged inside the pulverizer so that dust generated in the pulverizing process cannot be discharged to atmosphere; and the grinding wheel is of an integrated structure, and the service life of the grinding wheel is longer than the service life of an existing grinding wheel of a sleeve structure.

Description

technical field [0001] The invention relates to a pulverizer, in particular to a rolling type pulverizer, and belongs to the technical field of pulverizer equipment design. Background technique [0002] A pulverizer is a machine that pulverizes large-sized solid raw materials to a target size. A general pulverizer includes a feeding device, a discharging device, a pulverizing device and a wind conveying device, etc. Pulverizers can be divided into large pulverizers, small pulverizers and micro pulverizers according to the amount of pulverization. Among them, large pulverizers are mainly used in metallurgy, building materials, chemicals, mines, highways, water conservancy and hydropower, refractory materials and iron and steel industries. Crushing and processing of product materials. Existing large-scale pulverizers mainly rely on the principle of impact or blade cutting to pulverize materials. The fineness of materials pulverized by these two pulverization methods is below...

AI Technical Summary

Problems solved by technology

Existing large-scale pulverizers mainly rely on the principle of impact or blade cutting to pulverize materials. The fineness of materials pulverized by these two pulverization methods is below 2000 mesh. At present, there is no pulverizer that pulverizes raw materials to more than 2000 mesh in China.

Moreover, for raw materials with higher hardness, the existing pulverizers either cannot pulverize the raw materials to the required fineness, or cause greater loss to machine parts, greatly reducing the service life of the pulverizer

[0003] In addition, the existing pulverizers still have many problems such as high noise, high energy consumption, dust emission to the outside world, and air pollution.

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