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spiral chute:, 1.Simple structure, 2.Reliable working conditons, 3.Convenient operation, 4.Even granularity - details see: https://www.machineto.com/mining-spiral-chute-screw-chute-spiral-separator-for-sale-10315746

Introduction of spiral chute machine:

The spiral chute, spiral concentrator, spiral separator is a mining and beneficiation equipment of collecting the advantage of the all kinds of mining Machinery.

It has been used in to classify the granularity 0.3-0.02 millimeters fine grain like iron, tin, tungsten, tantalum-niobium, gold ore, coal mine, monazite, rutile, zircon and other metals. The non-metallic minerals which have a big enough specific gravity difference.

Working principle of screw chute:

Stick up the High Efficiency Screw chute , adjust vertical line, and fix it to a proper place with hob ore timber; deliver the ore slurry to the two feeding opening at top of the spiral chute with the help of sand pump; add supplementary water to adjust slurry thickness. Then slurry flows down automatically and rotarily from the top. A inertial centrifugal force is formed along the rotary bevel with flow speed, so that ore and sand can be divided under rotary steam and centrifugal force according to the slurry's different specific gravity, grain size and shape. Next, final ore flows to the final ore hopper and coveyed out by pipe and picked up, and final sand flows to final sand hopper and coveyed out by pipe to sand pond. Then remove the sand pump. That is the whole concentrating process.

View of gravity spiral separator for reference:

Side view of the spiral chute for reference:

The separate piece of spiral chute for reference:

Spiral chute separators in Huahong Machinery:

Main technical parameters:

model		5LL-1500	5LL-1200	5LL-900	5LL-600
External dia(mm)		1500	1200	900	600
pitch(mm)		540,720	720,540	540,405	450,360
num. of helix		4-2	4-2	4-2	4-3
size (mm)		0.3-0.02	0.3-0.03	0.3-0.03	0.2-0.02
concertation(%)		25-55	25-55	25-55	25-55
capacity (T/H)		6-8	4-6	2-3	0.8-1.2
outline size	length(mm)	1560	1360	1060	700
	width(mm)	1560	1360	1060	700
	height(mm)	5230	5230	4000	2600
weight(Kg)		800	600	400	150