Although there are many laboratory-type electric sorters in various countries in the world, there are not many real-world effects. Now we only introduce the XDFΦ250×200mm and the American Capco type, which are widely used at home and abroad, both of which are drums. formula.
1. XDFΦ250×200mm laboratory type electric separator
The electric sorting machine is composed of various parts, and the power supply voltage is 0~60 kV (adjustable). The heating device is designed in the mine bucket and the drum, and can be self-controlled, and the electrode structure is different from the English. , the United States, Japan and West Germany, the Soviet Union, a high efficiency of sorting, but the power supply can only use negative electricity. The sorting particle size is from -1 mm to 20 μm and can also be used for the classification of fine-grained materials. Its shape and structure are shown in Figure 1. It is characterized by high voltage, maximum voltage of 60 kV, many adjustable parameters, straight joy, especially the electrode structure is variable, and the efficiency of one sorting is the highest at home and abroad.
Figure 1 XDFΦ250 × 200mm experimental electric sorter
A. Outline drawing; B. Structural sketch
1. to the mining bucket; 2. to the ore adjustment hand wheel; 3. electromagnetic vibrator; 4. to the mining bucket; 5. drum; 6. corona pole;
7. Static electrode; 8. Illumination lamp; 9. Curved electrode adjusting the hand wheel in the same direction; 10. Separating plate; 11. Separating plate adjusting hand wheel;
12. Polar distance adjustment hand wheel; 13. High voltage voltmeter; 14. Tachometer; 15. Feeding bucket temperature controller;
16. Heating selection switch; 17. Lighting switch; 18. Feeding vibration adjustment switch, 19. Speed ​​adjustment;
20. High pressure start button; 21. vibrator button; 22. brush start button; 23. drum start button;
24. Point power button; 25. High voltage adjustment button; 26. High voltage current reading button; 27. Rotary temperature controller;
28. High-voltage ammeter; 29. ​​Rear partition plate adjustment hand wheel; 30. Rear partition plate; 31. Brush; 32. Feeding groove inclination adjustment hand wheel
Second, Capco experimental research plastic high voltage electric separator
This is an experimental research type drum high-voltage electric separator produced by Carpco. Its appearance and structure are shown in Figure 2.
This machine is characterized by its electrode structure, that is, the corona pole and the static electrode are mixed together, and the power supply can also flexibly adopt negative or positive power. According to the need, several different specifications of the drum can be replaced, a total of 152, 254, 356 mm. For the diameter and low voltage, the non-conductor mineral is removed by a pressure plate brush; when the pressure is high, the non-conductor on the drum surface is replaced with a special AC discharge electrode. The whole machine is beautiful and generous, and the sorting process is straightforward, with more variable parameters. [next]
Figure 2 Â Kapko experimental research type electric separator
1. heater; 2. infrared; 3. brush; 4. brush clamp; 5. fuse (5A); 6. fuse (0.5A);
7. Number of revolutions; 8. Motor (0.18 kW); 9. Belt; 10. Feeding bucket; 11. Electrode position regulator;
12. High voltage cable; 13. Roller; 14. High pressure meter switch; 15. Voltmeter; 16. Fuse; 17. Main switch
The disadvantage is that the voltage is still low, the maximum voltage is only 40 kV; the adjustment of the electrode is inconvenient again, it must be stopped before adjustment, there is no heating device in the mine bucket and the drum, and the infrared tube only after relying on the drum can not be satisfied. The experiment required. The end result is that the effect of a sorting is not satisfactory.
The above two experimental research type electric separators are listed in the following table.
In the table  Laboratory type electric separator parameters
The main parameters | model | |
Domestic XDFΦ250×200mm | American Capco Experimental Research | |
1. Drum diameter Φ × length, mm 2. Electrode structure 3. Maximum voltage, kV 4. Electric weight distance and selection angle adjustment 5. Warming the mine 6. Drum heating 7. Feeding tank vibration device 8. Drum speed 9. Mine discharge device 10. Drum drive power, kW 11. Drum heating, kW 12. High voltage power supply, kW 13. Brush drive 14. Total power, kW 15. Dimensions, length × width × height, m 16. Total weight, t | 250×200 Composite electrode 60 No parking required Heating, self-control Electric heater, automatic control Yes, adjustable Adjustable, stepless Rotating brush 0.37 1.8 0.2 Drive with the drum 2.3 0.92×1.12×1.85 0.42 | (152, 254, 356) × 150 Carpco electrode 40 Parking adjustment no Infrared light heating Yes, adjustable Adjustable, stepless Fixed brush, AC electrode 0.345 0.25 0.50 0.40 1.495 2.15×1.15×0.75 0.486 |
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