B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/24 (2006.01) F01N 3/021 (2006.01) F01N 3/023 (2006.01)
Patent
CA 2063605
2063605 9100769 PCTABS00003 In accordance with the present invention, there is provided a filter housing (2) comprising a plurality of open-ended parallel hollow gas-permeable filter elements (11) for separating particulate material from a high-temperature gas. The filter housing comprises at least a pair of cross sectional support plates (6, 7) dividing the filter housing into a first end section (8) having an inlet (13) for dirty gas, a end second section (9) in connection with a discharge port (16) for separated particulate material, and an intermediate filtration chamber (10, 24, 24, 29, 30, 31, 41, 42) section therebetween. The filter elements are arranged in the intermediate filtration chamber extending from the first support plate to the second support plate. A clean gas outlet conduit (17, 26, 27, 32, 33, 34, 37, 38, 43, 44) is in communication with the clean gas space in the intermediate filtration chamber. It is an important feature of the present invention that means (22) are provided inside said filter housing for supplying a reverse flow pressure pulse of high energy gas into said filtration chamber, for cleaning the porous filter medium. The reverse-flow pressure pulse can be supplied through a relatively small pipe connected to a compressor.
Isaksson Juhani
Russell Dave B.
Foster Wheeler Energia Oy
Gowling Lafleur Henderson Llp
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