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 Spiral chute introduction:

In order to have a good separation, there should be a differencein Specific Gravity's of at least 1.0. One main benefit of spiralconcentrators is they have no moving parts. The feed range, inpercent solids, to a spiral ranges from 20% solids up to 40%solids. Depending upon the material characteristics, a maximumefficiency will usually be reached somewhere in this range. Allthat is required are some slurry pumps, the slurry to be separatedand the banks of spirals with a feed distributor.

Slurry is pumped to the top of the spiral (typically 13' to 15'from the floor), and it enters a feed distributor that evenlydistributes the feed to each spiral concentrator. The design andshape of the spiral make it work, when combined with gravitationalacceleration. As the slurry travels the spiraling path down thespiral, mineral grains settle and start sorting according to size,density and to a lesser extend shape. Low density particles arecarried with the bulk of the water towards the outside of thespiral (perimeter), while particles with the greatest densitymigrate towards the inside of the spiral.

The main technical parameters of the spiral chute:

 

Model		5LL-1200	5LL-900	5LL-600	5LL-400
Out diameter(mm)		1200	900	600	400
Pitch(mm)		900,720,540	675,540,405	450,360,270	240,180
Apart diameter to comparep/d)		0.75,0.6,0.45	0.75,0.6,0.45	0.75,0.6,0.45	0.6,0.45
Crosswise installments angle°		90	90	90	90
Each most installments spiral number		4	4	3	2
Ore granularity(mm)		0.3-0.03	0.3-0.03	0.2-0.02	0.2-0.02
Ore density%		25-55	25-55	25-55	25-55
Capacityt/h		4-6	2-3	0.8-1.2	0.15-0.2
Overall dimensions9mm)	Lengthmm	1360	1060	700	460
	widthmm	1360	1060	700	460
	heightmm	5230	4000	2600	1500
Weightkg		600	400	150	50

Spiral chute 5LL-1500

e superior to common stainless steels, such as, 316L and 317L inmost  environments

 

 

Chemical  Composition,%

 

Cr	Ni	d>td>