SU1463347A1 - Trommel screen - Google Patents

Abstract

The invention relates to devices for kg tassifikashi ores and nonmetallic materials and can be. used in training before mineral processing. The purpose of the invention is to improve the design while simultaneously ensuring 1 & quality of screening. The inclined screening drum (B) is installed with the possibility of rotation around the horizontal axis. And it is made in the form of a frame. The frame consists of two bands, connected by straps, and its guide grooves 2 are made of a trapezoidal shape with a large base facing the axis B. In the grooves 2 there are rolls 3 mounted rotatably around its axis and radially moving along the grooves 2 and made with an offset center of gravity about its axis of rotation. The initial power is supplied to the inside of the rotating B and moves in a zigzag manner to the unloading ENT, where the large pieces are unloaded. Smaller than the holes B, the size of the pieces are between the rollers 3. The pieces, somewhat larger in size, interfering with the unloading of the undersized product, are unloaded when the rolls 3 are lowered in the slots 2 when B. is rotated. 2 un. (C (L

Description

FIG. g

I The invention relates to devices for classifying ores and non-metallic materials and can be used i: o in ore preparation before mineral processing.

A: The purpose of the invention is to simplify the construction of the structure while (| disrupting the quality of screening).

Fig, 1 shows the roar, total 9id; fig 2 is the same side view.

The drum screen includes a tilt-screening drum, installed 10

SRIs are pieces that are somewhat larger in size than the holes between the rods. They do not pass through the holes and, in turn, interfere with the unloading of pieces of material into the undercut product, smaller in size than the holes in the screen. Raising up, as the drum rotates, the rolls 3 begin to fall in the grooves. The difficult pieces of material under the force of gravity are lowered down along with the rolls 3, the latter due to the displaced center and the first

the horizontal axis, made in a twist of the tin, is additionally turning around the frame G, consisting of two bands around its axis. The distance between it, connected by straps (not shown), made with guide grooves 2 of trapezoidal shape with a large base facing the drum axis, In the guide grooves located opposite, rolls 3, installed with the possibility of rotation around its axis and radial moving by

25

In this type of movement, the rods increase in the upper part of the drum and make it difficult for the pieces to fall out from the crayfish. The rolls 3 are made with a placed center of sheet metal with respect to t | o of its axis of rotation,

j Bapadarf is supported by frame I tires on rollers 4, which are driven by drive 5,

The drum screen works as follows.

The initial power is supplied to the inside of the 20 JOT screening bar, thereby regenerating the screening screen surface. With further rotation of the screen, the rolls 3 are lowered in the slots 2 to the lower position and the classification process is repeated.

Claims (1)

Invention Formula The drum screen includes 30 mounted with the possibility of rotation around the horizontal axis the inclined front sieve drum, made in the form of a frame, in the guide grooves of which rolls are installed with the possibility fna and under the action of a rotating motor, rotation and radial movement, from the point of view of the drum, as well as rolling up, characterized in that (The delivery force of the tin is classified to simplify the design when the material being fed begins to zigzag-and-time quality assurance to move to unloading in a ghastly way. E) IDNK of the screening holes, unloaded with the base facing the baffle axis at its end, and smaller in size, and the rolls are made with an offset than the holes, passing between the center of gravity relative to beams 3, however, in the original pit-os rotation. 0 SRIs are pieces that are somewhat larger in size than the holes between the rods. They do not pass through the holes and, in turn, interfere with the unloading of pieces of material into the undercut product, smaller in size than the holes in the screen. Climbing up, as the drum rotates, the rolls 3 begin to descend in the grooves. The difficult pieces of material under the force of gravity fall down along with the rolls 3, the latter also turning around their axis additionally due to the displaced center t 5. The distance between the rods with this type of movement increases at the top of the drum and makes it difficult for the lunge pieces to fall out. JOT, due to which the screening surface of the screen is regenerated. With further rotation of the screen, the rolls 3 are lowered in the slots 2 to the lower position and the classification process is repeated. Invention Formula The drum screen includes 30 mounted with the possibility of rotation around the horizontal axis the inclined front sieve drum, made in the form of a frame, in the guide grooves of which rolls are installed with the possibility jc rotation and radial movement / 1