Spiral Classifier

Introduction

Due to good grading effect and low energy consumption, spiral classifier is very popular in ore beneficiation industry. Spiral classifier is important ore beneficiation equipment, and it works under the principle that solid particles with different weights have different sedimentation rates in liquid. Screw classifiers are widely used for grading ore and slime in mineral processing plants, and desliming and dehydrating in ore washing operation and other operations. It’s also known as screw washing machine and screw sand washer.

Application of Spiral Classifier:

1. Separate fine materials and liquids from coarse materials.

2. Separate light particles from heavy particles.

3. Classify materials into several levels according to grain sizes.

4. Separate liquid from the solid particles.

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Features

Outstanding Advantages of Hongxing Spiral Classifier:

1. Hongxing spiral classifiers are with large productivity, low energy consumption and high classification efficiency, and can save cost savings and bring high benefit for customers.

2. After many times upgrading with advanced technology at home and abroad, the structure of Hongxing screw classifier is simpler, and the automaticity is higher, suitable for processing more materials in different environments. The spiral classifier is easy to operate, but a simple technical training is necessary before operating the machine.

3. The wear-resisting parts of Hongxing spiral classifier is made of new type of high chromium cast iron, so Hongxing spiral classifier has longer service life.

4. Excellent performance and powerful technical support make the spiral classifier smooth and reliable operation.

Principle

Spiral classifier is a type of classifying machine that classifies materials based the principle that the solid particles with different sizes and proportions have different falling speed in the liquid, and fine ore particles float in the water and coarse ore particles sink to the bottom of the chute and the coarse ore particles are pushed by the spiral to the upper part and discharged. This machine is able to filter the powdery particle crushed by the grinding mill and whirl the coarse particles with the spiral to the feeding mouth of the grinding mill and discharge the filtered fine particles.

Parameters

Model	Spiral  Diameter (mm)	Trough  Length (mm)	Spiral  rotate  speed (r/min)	Processing  capacity（t/d）		Motor  Power （kw）		Dimensions （mm≤）			Total  weight （t）
				Sand -return	Overflow	For  driving	For  lifting	Length	Width	Height
FG-3	300	3000	12-30	80-150	20	1.1	----	3850	490	1140	0.7
FG-5	500	4500	8-12.5	135-210	32	1.1	----	5430	680	1480	1.9
FG-7	750	5500	6-10	340-570	65	3	----	6720	980	1820	3.1
FG-10	1000	6500	5-8	675-1080	110	5.5	----	7590	1240	2380	4.9
FC-10		8400		675-1080	85	7.5	----	9600	1240	2680	6.2
FG-12	1200	6500	4-6	1170-1870	155	7.5	2.2	8180	1570	3110	8.5
FC-12		8400		1170-1870	120	7.5	2.2	10370	1540	3920	11.0
2FG-12		6500		2340-3740	310	15	4.4	8230	2790	3110	15.8
2FC-12		8400		2340-3740	240	15	4.4	10370	2790	3920	17.6
FG-15	1500	8300	4-6	1830-2740	235	7.5	2.2	10410	1880	4080	12.5
FC-15		10500		1830-2740	185	7.5	2.2	12670	1820	4890	16.8
2FG-15		8300		2280-5480	470	15	4.4	10410	3390	4080	22.1
2FC-15		10500		2280-5480	370	15	4.4	12670	3370	4890	30.7
FG-20	2000	8400	3.6-5.5	3290-5940	400	11-15	3	10790	2530	4490	20.5
FC-20		12900		3210-5940	320	11-15	3	15610	2530	5340	28.5
2FG-20		8400		7780-11880	800	22-30	6	11000	4600	4490	35.5
2FC-20		12900		7780-11880	640	22-30	6	15760	4600	5640	48.7
FG-24	2400	9130	3.67	6800	580	15	3	11650	2910	4970	26.8
FC-24		14130		6800	490	18.5	4	16580	2930	7190	41.0
2FG-24		9130		13600	1160	30	6	12710	5430	5690	45.8
2FC-24		14130		13700	910	37	8	17710	5430	8000	67.9
2FG-30	3000	12500	3.2	23300	1785	40	8	16020	6640	6350	73.0
2FC-30		14300		23300	1410	----	----	17091	----	8680	84.8