Maintenance of jet mill classifier
The jet mill adopts the advanced structure of similar products at home and abroad, and is updated and improved on the basis of the Raymond mill in the same industry. This equipment has higher efficiency than ball mills, lower power consumption, smaller footprint, and small one-time investment. The jet pulverization classifier is a kind of equipment that uses high-speed airflow to achieve ultrafine pulverization of dry materials. The jet pulverization classifier is composed of a pulverizing nozzle, a grading rotor, and a screw feeder. The jet pulverizing classifier, cyclone separator, dust collector, and induced draft fan constitute a complete pulverizing system.
After the compressed air is filtered and dried, it is sprayed into the crushing cavity at high speed through the nozzle. At the intersection of multiple high-pressure airflows, the materials are repeatedly collided, rubbed, and sheared to be crushed. The crushed materials move with the ascending airflow under the action of the fan’s suction. In the classification area, the coarse and fine materials are separated under the strong centrifugal force generated by the high-speed rotating classification turbine. The fine particles that meet the particle size requirements are collected by the cyclone separator and dust collector through the classification wheel, and the coarse particles drop to the crushing area and continue to be crushed. The jet mill classifier is widely used in industries such as chemical industry, minerals, metallurgy, abrasives, ceramics, refractory materials, medicine, pesticides, food, health products, new materials and so on.
The jet pulverization classifier is an air flow classification technology with a square cylindrical structure as the main body. This technology changes the form of the circular cylinder rotating air field, which makes the material more dispersible, thereby improving the classification efficiency. The jet pulverizing classifier adopts a high-precision horizontal classification form, which has a sharp cutting effect, good cutting accuracy and large particle control performance. The jet pulverizing classifier also adopts the connection form of the classifying wheel hinge structure, which can remove the classifying impeller, making it very convenient for gap adjustment and maintenance. It embodies the humanized design concept.
Air jet pulverizer classifier needs maintenance after working for a period of time to extend its service life and create more benefits for manufacturers. The jet pulverizing classifier can be maintained through the following four aspects:
(1) When cleaning the jet mill classifier, the motor and bearing seals should not be wetted with water.
(2) When replacing parts or repairing and maintaining the jet mill classifier, it should be carried out in the power-off state, and warning signs should be hung up.
(3) The bearings should be lubricated.
(4) Lubricating oil must be added after the general jet pulverizing classifier has worked for 1500 hours.