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82 Lawrence K. Wang et al.
Fig. 3. Fabric-filter process flow diagram.
Solution
1. Mechanical shaking cleaning method:With mechanical shaking, bags hang on an
oscillating framework that periodically shakes the bags at timed intervals or at a pre-
defined pressure drop level (14,15,18). The shaker mechanisms produce violent action
on the fabric-filter bags and, in general, produce more fabric wear than the other
types of cleaning mechanism (16). For this reason, mechanical shaking is used in con-
