Get Major Function of Parts in Screw Classifiers

The spiral separator, which is also known as rotary separator and screw separator and screw classifier, is mainly composed of actuating device, screw body, cell body, elevator mechanism,support part and valve gate. Because the gasket of classifier always contacts the ore, it is easy to fray thegasket of classifier. If there is obvious attrition on the gasket, it is better to change it at once. But do you know what the main role of each part in screw classifiers?




This kind of Spiral separator is composed of a U trough, spiral, transmission, elevator machine, support bearing, etc. The down flow weir of the high weir type is higher than the lower bearing, but lower than the upper edge of the lower spiral. The elevator of screw classifieris able to make the lower part of the spiral ascend and descend to regulate the distance between the spiral and the bottom of the chute as well as the confirming size of the spiral. There is a horizontal long axis with helical blades in the U trough, and a down flow weir designed in the lower place. The transmission of screw classifier is installed in the upper chute; the upper main spiral shaft supports the bearing on the drive frame, while the lower bearing is fixed at the level of the elevator. Meanwhile, the spiral should be raised up at the time of a stop in order to avoid the desilting burying the spiral that will impinge on starting. The bearings of the main spiral shaft are quite vital parts, due to relatively harsh working conditions; the requirements for the sealing of the bearings are high. At the same time, the operator must strengthen the maintenance.

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