SU1710143A1 - Screen for separation of different-strength materials - Google Patents

Abstract

The invention relates to the mining industry. used in enterprises for the production of nonmetallic building materials. The purpose of the invention * is to improve the quality of separation of weak and viscous differences (P) from rock due to the intensification of the effect on the sorted material. The screening surface of the screen is made in the form of a triangular prism (P). facing one of the ribs down. Rotating shafts 2 are located in the ribs P. The shafts are wound movably in the longitudinal direction (C) 1 on the shafts 2. At the same time, C 1 is tensioned through the adjusting device 3. Inside the P and screw 12 is placed. The incoming material 4 is transported by the screw 6 inside P. The direction of movement of C 1 is perpendicular to the flow of the material being sorted. When weak grains come into contact with C1, they are destroyed by cutting, as well as cutting of viscous differences from rocks. 1 hp f-ly, 2 ill. A-ATSeVy5 Devices Fig. 24JOSOS > &

Description

The invention relates to the mining industry and can be used in enterprises for the production of non-metallic building materials.

The purpose of the invention is to improve the quality of separation of weak and viscous differences from rocks due to the intensification of the impact on the sorted material.

In FIG. 1 shows a screen for separating multi-strength material, side view; in FIG. 2 is a section AA in FIG. 1.

The screen includes a sieve, the screening surface of which is made in the form of a trihedral prism, formed by a longitudinally movable endless string 1, wound alternately on rotating shafts 2 located along the edges of the prism, one of which is facing down. String 1 is pulled through adjuster 3.

To prevent jamming of particles of material 4 between the string 1 of the first shaft 2 in the working area of the screen, a screen 5 is installed located along the surface of the shaft 2 from the side of the run of the string 1. The gap between the screen 5 and the string 1 is adjustable.

A screw 6 is installed inside the prism and along it, transporting material 4 from the receiving device 7 along the working surface to unloading. The rotation of the shafts 2 is carried out from a common drive 8.

The roar works as follows.

Received from the receiving device 7 material 4 is transported by a screw 6 inside the screen. The direction of movement of the string is perpendicular to the flow of the sorted material, while the speeds of the string and material can be different. Upon contact of weak grains with the movable string 1, they are destroyed by cutting, as well as cutting viscous differences from the rock. The crushed particles wake up through the gaps between the turns of the string 1. Oversize purified material 4 enters the warehouse.

Claims (2)

Claim 1. A screen for separating materials of different strengths, including a sieve in the form of an endless string mounted with tension on the shafts with the possibility of alternating rounding and longitudinal movement, characterized in that, in order to improve the quality of separation of weak and viscous differences from rock due to the intensification of the impact on the material to be sorted, the screen is equipped with a screw, while the shape of the screening surface of the sieve is made in the form of a trihedral prism facing one of the ribs down, with a screw placed inside and along the prism. 2. A screen according to claim 1, characterized in that it is provided with a reflective screen placed along the surface of the lower shaft from the side of the string run.