RU1796248C - Centrifugal mill - Google Patents

Abstract

Using; processing of solid bulk materials in the coal, construction and other industries. SUMMARY OF THE INVENTION: A centrifugal mill comprises a housing t with a breaker; a ring 3 with a lining 4, a rotor 5 with pipes 7 located on it. The breaker ring is made of separate ring elements located with gaps 8 on top of each other. Between the ring elements mounted point 9. 1 ill.

Description

The invention relates to devices for processing solid bulk materials and can be used in coal, construction and other industries, as well as in agriculture for grinding grain and leguminous crops.

: A known centrifugal crusher comprising a housing with a gear lining, a hollow rotor with nozzles mounted on a shaft, a cover with a loading funnel, a collection chamber with conical walls and outlet nozzles, wherein each rotor nozzle in cross section is made in the form of a semicircle with a flat vertical wall, on which the gear lining is mounted, and the rotor is connected to a feed funnel, wherein the angle of rise of the teeth is 47-56 ° in the direction of rotation of the rotor.

A disadvantage of the known mill is the large size of the finished product,

due to the fact that not all particles of the material being ground are subjected to free impact.

The closest to the proposed invention by its technical nature and the achieved result is a grinder with a centrifugal accelerator, comprising a body with a breaker ring with a lining, a rotor with pipes located on it.

The goal is to increase the degree of grinding of the material.

The goal is achieved in that in a centrifugal mill containing a housing with a breaker ring with a lining, a rotor with pipes located on it, the breaker ring is made of separate annular elements located with gaps on top of each other, and estruses are mounted between the annular elements.

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The drawing shows a centrifugal mill, a vertical section.

The centrifugal mill comprises a housing 1 with a loading funnel 2. Inside the housing 1, a baffle ring 3 with a lining 4 and a rotor 5 are placed. The rotor 5 is made in the form of a hollow cylinder 6i connected to pipes 7. Each of which is installed with a different inclination to the horizon. The fender ring 3 is made of separate annular elements located with gaps 8 one above the other. All sections have the same diameter. In the gaps 8, estruses 9 are located, protruding inwardly from the baffle rings 3. Between the baffle rings 3 and the housing 1 there is a space 10. To remove the finished product from the mill, it is equipped with a device for unloading it 11.

Centrifugal mill operates as follows.

The material to be crushed enters the mill through the feeding funnel 2 and enters the hollow cylinder 6 of the rotor 5 rotating in the housing 1. Under the action of centrifugal forces, the material escapes from the pipes 7 and impacts on the linings 4 of the breaker cages 3. The material is crushed. Under the action of the forces of its own weight and air flow created by the rotor 5,

the material enters estrus 9 and is transported under it through the gaps 8 into the space 10 between the housing 1 and the baffle ring 3. Thanks to the removal of the crushed material from the upper baffle rings 3

it settles down along the lining 4, which eliminates the impact of the particles of material emitted from the rotor 5 on the already crushed material, thereby increasing the percentage of the material,

subjected to direct impact, and fineness of the finished product is reduced.

Claims (1)

. The claims A centrifugal mill, comprising a housing with a breaker ring with a lining, a rotor with pipes located on it, so that, in order to To increase the degree of grinding of the material, the breaker ring is made of separate annular elements located with gaps one above the other, and estruses are mounted between the annular elements.