制粒机环模失效原因（Failure reason of ring die in granulator）.docVIP

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制粒机环模失效原因（Failure reason of ring die in granulator）.doc

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制粒机环模失效原因（Failure reason of ring die in granulator）

制粒机环模失效原因（Failure reason of ring die in granulator） Failure analysis of ring die in horizontal ring granulator The granulator is the key equipment in the feed production process, and the ring mold is the heart part of the granulator and also one of the most easy to be worn parts of the granulator. The reason of the failure ring die, die improve conditions of use, to improve product quality and yield, reduce energy consumption (energy consumption accounted for the total energy consumption of granulation workshop from 30% to 35%), to reduce production costs (ring mode loss of an expense accounted for the entire production workshop renovation costs 25% to 30% above) and a great impact. A ring mold and a pair of press rolls can theoretically produce pellets, namely, 2000t and 500t (which do not consider high-grade ring mold and press roller). But in fact, the management of better enterprises are only more than 1000 tons and more than 250 tons; and the general management of poor enterprises, and even only 500 ~ 600t and 80~100t, you have to replace the new ring mold and roller. It can be seen that prolonging the service life of the ring mold will bring considerable benefits to the enterprise. 1 working principle (see Figure 1) The ring die is driven by the motor through the reducer, and the roller installed in the ring die does not rotate, but rotates because it is rubbed against the rotating ring mould (by compacting material). Enter the room well suppressed and the material is split between spreader rollers, the roller clamp, by extrusion, and through the die hole continuous extrusion, the formation of columnar particles and with the ring die rotary, particle feed from the fixed cutter on the outside of the ring die cut length. Both the ring die and the roller roll have the same line speed at any contact point, and all the pressure is used for granulation. During the normal operation of the ring die, there is always the friction between the material and the material. W