Spiral classifier operation and machine upkeep

Among the mining machinery, addressing machine is an important category. Now, the author will let you know one of the addressing equipments, spiral classifier.
The structure of the spiral classifier, semi-circular sink, steel plate and steel welded into the feed inlet in the middle of the tank sidewall, the lower part of the tank top of the return sand mouth. The bottom of the tank bottom of the release valve, this valve is closed during normal working hours in the open release of the special circumstances of the failure and other pulp. Tank equipped with a longitudinal axis of the hollow shaft to clamp equipped with a support plate frame compatible with the spiral lead angle, the above fixed around the spiral blades, the screw mechanism of multi-pitch helix using the double-headed, and equipped with a resistance to the leaf edge mill liner.
Spiral classifier works: spiral classifier by means of solid particle size, the proportion of different, and therefore the principle of settling velocity in the liquid, fine mineral particles floating in the water into the overflow, the coarse ore particles sink in the bottom of the tank. Push the upper part of the discharge by the screw, a kind of mechanical grading equipment, can mill to grind the material powder level in the filter, and then the crude material using spiral piece rotary vane screw mill feed inlet, to filter out the fine material discharged from the overflow tube. The machine base is made of channel steel body welded by steel plate. Into the head of the screw axis, the first axis, using pig iron, wear-resistant and durable to enhance the device electric and manual.
Maintenance of the spiral classifier where the lubrication points are sodium based grease or calcium-based grease lubrication; engraved line within each class should review the reducer lubricant in the oil needle, every six months for both oil; should always check the lower part of the bearing or the bearing of the middle frame, bearings, seals for wear, bearing damage, to replace; bearing lubrication every four hours, high pressure oil to the bearing pressure injection using a dry pump manually, in order to maintain the sealing performance of the bearing.Rolling acetabular wall U-shaped screws on the adjusting ring, between the injection of zinc alloy, so closely integrated, the new installation or replacement of rolling acetabular wall after 6-8 hours of work, you should check their retention, U-shaped and re-tighten the screws.
 

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