SU698649A1 - Screeting crusher - Google Patents

Description

(54) CRUSHER

I

The invention relates to a device for grinding and screening. materials and can be used in construction, mining and other industries.

The closest technical solution to the invention is a crusher, comprising a housing, inside which is a rotor consisting of individual closed flj grid bars.

The disadvantage of this construction is the low efficiency of the process of grinding and screening materials.

The purpose of the invention is to increase the effect of the process of grinding and grit material.

This is achieved by the fact that in a crusher-rumble containing a housing, inside of which is a rotor consisting of separate closed grates, each grate is bent to the outside.

FIG. 1 shows a crusher screen, a general view; in fig. 2 shows section A-A in FIG. one.

Crusher-screen contains the housing 1, the loading pipe 2, unloading. pipe 3, outlet 4, electric drive 5, roller bearings, casing 7, rotor consisting of individual grates 8 bent to the outside,. which increases the hard cross-sectional area of the screening surface of the grid bars, raising the shelves 9.

Crusher-rumble works as follows.

The material to be crushed is fed through the loading nozzle 2 to the crusher, where it is captured by the shelves 9 to a certain height. As a result of a fall from a lifting floor with 9 large pieces of the source material, they are crushed when they strike curved grates 8, shelves 9 and longitudinal beams of body 1, as well as from impacting each other. Fragmented and small