Patent ID: 7972399
Filing Date: 2011-07-05
Classification: B01D

Abstract:
1. A fabric filter comprising: at least a first compartment and a second compartment, the first compartment provided with a first inlet for dust-laden gas, at least one fabric filtering unit through which the dust-laden gas may be filtered and a first outlet for cleaned gas, the second compartment provided with a second inlet for dust-laden gas, at least one fabric filtering unit through which the dust-laden gas may be filtered and a second outlet for cleaned gas; a hopper located below the compartments for collecting dust collected in the first and the second compartments for fluidisation of the collected dust to form a bed of fluidised dust, with a fluidisation gas distributor; a partition wall located between the first compartment and the second compartment to separate them from each other; a passage formed at a lower end of the partition wall such that fluidised dust may pass through said passage, with said partition wall arranged to extend into the bed of fluidised dust for forming a seal even when one of the compartments is shut off; and an opening in the partition wall above the bed of fluidised dust.