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A vertical vessel having a lower inlet and an upper outlet enclosure separated by a main horizontal tube sheet. The inlet enclosure receives the flue gas from a boiler of a power system and the outlet enclosure supplies cleaned gas to the turbines. The inlet enclosure contains a plurality of particu

A vertical vessel having a lower inlet and an upper outlet enclosure separated by a main horizontal tube sheet. The inlet enclosure receives the flue gas from a boiler of a power system and the outlet enclosure supplies cleaned gas to the turbines. The inlet enclosure contains a plurality of particulate-removing clusters, each having a plurality of filter units. Each filter unit includes a filter clean-gas chamber defined by a plate and a perforated auxiliary tube sheet with filter tubes suspended from each tube sheet and a tube connected to each chamber for passing cleaned gas to the outlet enclosure. The clusters are suspended from the main tube sheet with their filter units extending vertically and the filter tubes passing through the tube sheet and opening in the outlet enclosure. The flue gas is circulated about the outside surfaces of the filter tubes and the particulate is absorbed in the pores of the filter tubes. Pulses to clean the filter tubes are passed through their inner holes through tubes free of bends which are aligned with the tubes that pass the clean gas.

대표청구항 ▼

Filtering apparatus for separating particulate from a gas stream including a vessel, gas-stream inlet means connected to said vessel, outlet means connected to said vessel for discharging the gas processed by said filtering apparatus, a tube sheet connected to said vessel, separating said outlet mea

Filtering apparatus for separating particulate from a gas stream including a vessel, gas-stream inlet means connected to said vessel, outlet means connected to said vessel for discharging the gas processed by said filtering apparatus, a tube sheet connected to said vessel, separating said outlet means from said inlet means, at least one cluster for removing particulate from said gas, said cluster including a plurality of filter units, each said filter unit including an array of filter tubes and a filter clean-gas chamber, each tube having an open end and a closed end, means connecting each tube of a said filter unit at its open end to, and in communication with, said filter clean-gas chamber of said last-named filter unit, means, connected to said cluster and to said tube sheet, for mounting said cluster with said filter units extending from said tube sheet in succession longitudinally of said vessel with said filter tubes including said closed ends in gas-stream filtering communication with said inlet means, and a separate conductor associated with each said filter unit of each array separate from said mounting means, connected to the filter clean-gas chamber of said associated filter unit of each array and to said tube sheet with said filter tubes in communication with said outlet means through said filter clean-gas chambers and through said tube sheet for conducting gas processed by said each array to be discharged by said outlet means.