| 摘要 |
A dual jet cleaning system for a dust filter assembly having a pair of first and second axially aligned cartridge filters and a compressed air source. A first reduced diameter pipe is connected to the compressed air source and a second further reduced diameter pipe is positioned coaxially within the outlet of the first reduced diameter pipe and secured thereto. An annular passage is formed between the interior wall surface of the first reduced diameter pipe and the exterior wall surface of the second further reduced diameter pipe to provide a first jet for cleaning the first filter, the outlet of the second further reduced diameter pipe extends into the first filter to provide a second jet for cleaning the second filter.
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