| 摘要 |
<p>Aerosol contains a viscous liq., e.g. oil, and is fed via inlets into a box contg. three filters with increasing fineness. All three filters are pref. made of polypropylene, the finest being a tufted felt with a special density. Each filter pref. consists of a panel provided with a handle and sliding into a shelf made from U-profiles; and the panels are held in the shelves via leaf springs fixed to the panels. Filters can pref. be regenerated by washing, whereas filter is pref. only used once and not regenerated after it has become completely blocked. The filter assembly has a working life of 6-8 months, and the non-regenerated filter with size 60 x 60 x 11 cm is then replaced at a cost of only 200 francs.</p> |
