Air flow specific gravity sorting equipment
The air flow specific gravity sorting machine can be used for sorting metals and non-metals, using the principle of air flow suspension to suspend and stratify materials with different specific gravity, and to sort materials with different specific gravity through the friction of the fish scale sieve surface and the self-weight inclination of the material. The air flow specific gravity sorter uses automatic circulation of the air flow and combines sorting and collecting in one unit, with a simple and compact structure, and is equipped with pulse dust removal equipment to ensure no dust overflow during the sorting process. The air flow specific gravity sorter has high sorting accuracy and fineness, a wide sorting range, the sorting range can be adjusted within 15-200 mesh, the air flow specific gravity sorter has a long service life and is easy to install and maintain.
Scope of application:
Air flow sorting machine (specific gravity sorter) is suitable for all kinds of metal and non-metal separation, powder materials, granular materials, mixed materials, according to their different specific gravity, particle size or shape for separation and sorting. It is used in many industries such as mineral processing, chemical industry and reuse of waste materials. The air flow sorter plays an important role in the material sorting process of the reuse line for waste circuit boards and wires.
Working principle:
Air flow sorter (specific gravity sorter) so that the materials entering the machine through the wind suction and flotation effect, the different specific gravity and different granular material suction and flotation of different materials, and the gravity of the material and other effective, the different specific gravity materials and the same material size, shape of different, specific gravity wind separation. Wind suck away the specific gravity of small, small particle size or wind area of large flake material, after the collector and dust collector dust collection and discharge out of the machine, the specific gravity of the material and the same kind of material by the wind of small material from the other end of the machine discharge.
Performance characteristics:
1. Vertical classifying turbine device, low speed, wear resistance, low system power configuration
2. The grading machine has a reasonable structure and can produce several size sections at the same time, suitable for large-scale industrial grading of micro powder from 325 to 8000 mesh (1.6 to 45 microns)
3. High applicability, can be used in series with ball mills, vibratory mills, Raymond mills and other grinding equipment to form a closed circuit
4. Negative pressure system operation, dust emissions do not exceed 40mg/m, equipment noise through the use of noise elimination measures, not higher than 75dB(A)
5. High degree of automation. The control system adopts program control and the operation status is displayed in real time. All levels of impeller classifier adopts electronic frequency conversion stepless speed regulation, automatic circulation type multi box dust collection process to achieve electronic control, automatic dust cleaning, improve the stability of the whole machine negative pressure specific gravity sorting machine process.
Adjustment method : (copper wire recycling machine for example)
1. Under the blower fan speed frequency adjustment: under the size of the blowing wind is subject to before and after the dust extraction volume, when the blowing wind volume is greater than before and after the dust extraction volume, specific gravity sorting machine will appear to the machine outside the spray material, the wind volume is too small, there will be a poor sorting effect, and in serious cases even unable to separate the copper wire and wire skin. Therefore, the frequency of the lower blowing fan speed should be adjusted to 0.5Hz each time, the adjustment interval of 1-3 minutes, each time to adjust the observation of the sorting effect, to adjust to the minimum amount of wire skin and no external spraying material to the machine shall prevail. The size of the lower blowing wind for different wire diameter of the raw materials should be adjusted to different parameters.
2, Vibration sorting motor speed frequency adjustment: vibration sorting motor speed frequency (hereinafter referred to as vibration frequency) of the size of the decision of the material fast and slow, and affect the sorting effect, vibration frequency adjusted fast, the amount of material increased, the sorting effect becomes poor, too fast when a large number of wire skin will flow from the copper outlet. Vibration frequency adjustment slow, the amount of material becomes smaller, the better the sorting effect, too slow, will become no material phenomenon. Therefore, the vibration frequency should be adjusted to 0.5Hz each time, and the adjustment interval should be 1-3 minutes.
3, Before the adjustment of the dust extraction volume: before the dust extraction volume (hereinafter referred to as before the air extraction) size determines the amount of copper in the impurities in the dust collector, before the air extraction volume is too large, the amount of copper in the impurities in the dust collector will increase, too small will affect the sorting effect.
4, After the adjustment of the dust extraction volume: after the dust extraction volume (hereinafter referred to as after the air extraction) the size of the main impact on the material into the sorting bed after the posture, after the larger the air extraction, the material into the sorting bed after the layering effect of copper and wire skin is better, but too large will affect the air volume before the air extraction. Copper rice machine its specific gravity sorting airflow sorting machine in the copper rice machine production process occupies an important link! Need to understand its operating methods and adjustment methods.
The above is the introduction of the airflow specific gravity sorting machine, change the equipment is widely used, and, in general, will be equipped with dust removal equipment, in the work process will not cause secondary pollution to the environment.
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