| 摘要 |
An air pollution control system comprising of a metal barrel-like housing with an in-take portion securely attached to top of industrial chimney or on the smoke chimney on the roofs of residential buildings, and an outlet portion, three electrical fans, the first two of which blow the polluted air coming from the chimney toward filter means installed after each fan, and a third fan blowing the cleaned air to the atmosphere. The said housing has a moveable door to be removed or pushed aside for cleaning the fans and/or filter means and replacing the filters regularly.
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