Filter-efficiency inspection system for efficient and super-efficient air filter
An air filter and filtration efficiency technology, applied in the direction of dispersed particle filtration, instruments, measuring devices, etc., can solve the problems of not meeting the detection of high-efficiency air filters, not adapting to the detection of industrialized production batch products, etc., to improve the technical level and improve the Ergonomics
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[0018] The present invention will be further described below in conjunction with the accompanying drawings.
[0019] like figure 1 As shown, the fan room 41 is provided with an air inlet pipeline, and the air inlet pipeline is provided with an initial effect filter 1, a medium-efficiency filter 2, and a fan 3 in sequence, and the air inlet pipeline is connected to the air supply room 42 where a high efficiency filter 5 is installed, and the air inlet pipeline The air room is respectively connected to the first and second upstream test passages, and the dust generation pipes 8 and 9, flow mixing devices 11 and 12, airtight valves 14 and 15, upstream sampling pipes 16 and 17, Static pressure rings 35 and 36, first and second downstream test passages are arranged adjacent to the first and second upstream test passages, and the first and second downstream test passages are respectively composed of sliding passages and orifice plate flowmeters arranged in sequence in the passages ...
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