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1. Large capacity, 2. Less consumption of water, 3. Energy conservation and environment protection, 4.with ISO9001:2008 - details see: https://www.machineto.com/lab-glass-fiber-reinforced-plastic-spiral-chute-10312908

Feature

1. Large capacity
2. Less consumption of water
3. Energy conservation and environment protection

4. All products through the ISO certification

Specification

Laboratory BLL Glass Fiber Reinforced Plastic Spiral Chute is applicable for separation of fine-grained (including micro-grained) metallic minerals such as iron, ilmenite , chromite, tungsten-tin ore, niobium-tantalum ore, gold placer, seashore monazite, rutile and zircon as well as other metallic and non-metallic minerals with adequate difference of specific gravity.

Spiral Chute is to make separations of useful minerals from gangues by use of the different particles subject to gravity, hydraulic pressure and friction in the multi-force field through dynamic centrifugal flowing membrane of slurry produced on the inclined surface of spiral based on the differences of useful mineral and gangue in specific gravity, particle size and shape. Water in the spiral chute runs downward spiral movement and also flows in circulation transversely. Water in the upper layer run fast, generating centrifugal force with large inertia to toss toward the outer edge of the chute. Back-flow of water in the lower layer adjacent to the chute bottom runs slowly with small centrifugal force and flows from the outer edge to the inner edge with the action of gravity, generating secondary back-flow. Particles of heavy minerals in slurry settle rapidly and gradually and move toward the inner edge along the converged helix prior to finally being produced as concentrate. Light minerals settle slowly and flow fast in the surface layer of ore flow with large centrifugal force and gradually move toward the outer edge along the expanding helix before finally being produced as tailings.

Technical specification

Model	Diameter	Spiral distance	Spiral number	Feed size	Feed density	Capacity	Overall dimensions	Weight
	mm	mm	piece	mm	%	t/h	mm	kg
BLL600	600	450	2/3	0.2	30-60	1.0-1.4	700/700 /3000	120
BLL 900	900	450/405	4	0.3	30-60	1.5-2.5	1010/1060/3300	350
BLL 1200	1200	540/720	4	0.3	30-60	4-6	1360/1360/4330	600
BLL 1500	1500	540/720	3	0.8	30-60	8	1800/1800/6130	800
BLL 2000	2000	900/1200	3	3	30-60	10-30	2300/23006500	1000