Air classifier
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QLF Air current sorting machine


Principle:

Materials go into grade room through entering system,the powder material mixed in two phases of gaseous and solid fluids will be sorted according to sizes by centrifugalforce generated by rotating of rotor..The thicker material go down by force of gravity and centrifugal,most of grains are brought into grading room by ascending airflow.The grains which meet the required sizes receive smaller centrifugal force will enter into collecting system through the gap between forced grading blade.The thicker grains receive larger centrifugal force will be thrown to cylinder all around and slide down around cylinder. While falling grains are hit again by second airflow to make the thinner powderfall apart from thicker grains,and blown to grading room, the thicker grains will be discharged through the discharge valve in lower part by force of gravity.

Features:

1. High output,low energy consumption and high grading efficiency.
2. Concentration of grain sizes.
This machine adopts unique vertical blade to grade.The stable grading technology and special sealing measure avoid
leakage of thicker grain efficiently.There are no bigger sizes of grains, and have high precision of grading and
concentration of grains.
3. Reasonable Structure
1-6 size number of this machine can be manufactured as per customers’ requirements.
4. Excellent Applicability
This machine can join various disc mill(airflow mill,mechanical mill,ball mill,Renold mill,vibrating mill,etc.) together to
work.
5. High Automation
Various blade grader all adopt electric frequency modulation stepless speed regulator.Automatic recycling muti-boxes
dust discharge system achieve electric control,dust can be discharged automatically, thus increase stability of
voltage.
 

QLF SERIAL AIRFLOW CRUSHER & GRADER ARE USED IN FOLLOWING FIELDS::

HIGH HARDNESS MATERIALS
SILICON CARBIDE,VARIOUS CORUNDUM,BORON CARBIDE,ALUMINUM OXIDE,ZIRCONIUM OXIDE,GARNET,ZIRCON AND DIAMOND,ETC. NON-METAL MINERAL QUARTZ, GRAPHITE, KAOLIN,CALCIUM CARBONATE, MICA, BARITE,SMOKY QUARTZ,SILICA,TALCUM POWDER,PHROPHYLLITE. CHEMICAL INDUSTRY Al(OH)3, SILICA GEL, VARIOUS DYESTUFFS, EPOXY RESIN, ADDITIVE,ETC. FOOD & MEDICINE POLLEN, HAWTHORN, PEARL POWDER, VARIOUS VEGETABLE POWDER, VARIOUS CHINESE HERBAL MEDICINE, HEALTH-CARE PRODUCTS, COSMETICS, ANTIBIOTIC MEDICINE, ETC.

TYPE AND SPECIFICATION:
QLF-10 QLF-20 QLF-30 QLF-45 QLF-55 QLF-75 QLF-102
Sizing size (μm) 5-150 5-150 5-150 5-150 5-150 5-150 5-150
Process load (kg/h) 100-800 200-1500 500-2500 1000-3000 1200-4000 1500-5500 2000-10000
Stage efficiency (%) 70-95 70-95 70-95 70-95 70-95 70-95 70-95
Installed power (kw) 20 32 41 62 76 102 138
Procedure flow chart of model QLF series airflow grader.
1.Air compressor 6-9.Compulsion hierarchy system 13.Electrical control cubicle
2.Gas tank

10.Tornado hierarchy system

14.Enters the material mouth

3-4.Highly effective filter

11.Pulse bag type dust remover 15-21.Discharge valve
5.Freezing drying agent 12.High-pressured drawing fan