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<br />A 9" diameter helicoid screw conveyor is factory <br />installed in the bottom of the hopper. The outboard <br />bearings are sealed, lubricated baIlor roller type. <br /> <br />In the Model 3419-9-16 and larger, the screw will have <br />one internal hanger bearing of hard iron of two piece <br />construction. The screw drive and an 18" sq. inspection <br />door are located at the end opposite the inlet. The <br />inlet stream connection is a slip type connection mounted <br />at one end of the collector. An optional pelican type <br />inlet is also available when velocities require a larger <br />inlet area. An inlet diffuser is provided in the hopper <br />to prevent a high velocity stream from damaging the bags. <br /> <br />5.0 Baahouse section <br /> <br />This section is constructed of #12 GA carbon steel and <br />reinforced with steel ribs. The section is shipped separate <br />from the hopper and is installed on the hopper at the site to <br />form the complete collector. A sealant is supplied for use <br />in making the hopper to baghouse joint. Lifting lugs are <br />provided at the top edges of the baghouse. The exhaust plenum <br />and bag cleaning jet system are located along one side of the <br />baghouse. A compressed air manifold extends the length of <br />this plenum to supply air to the jets as programmed by the <br />sequence control. Solenoid boxes for operating the valves are <br />mounted on the manifold. The top of the baghouse consists of <br />a series of #12 GA steel covers, one cover for each two rows <br />of bags. Each cover is gasketed and clamped to seal against <br />leakage. The filter bags and cages are shipped directly from <br />the respective vendor for field installation. A rectangular, <br />bolted flange, exhaust connection is centered on the plenum <br />on the jet side of the baghouse. Headroom of at least 8 ft. <br />above the top of the collector must be provided for the <br />installation and removal of filter bags and cages. <br /> <br />6.0 Filter Bags <br /> <br />Nominal bag size is.6" diameter, 9' long with bottom sewn in. <br />standard material is 15 - 16 oz. polyester felt with other <br />material available for specific requirements. A snap ring <br />collar at the top of the bag installs in tube sheet to support <br />the bag. <br /> <br />7.0 Caaes <br /> <br />Cages are made of #11 GA carbon steel wire with flat steel <br />plate fixed to the bottom end. <br /> <br />DUSTEX <br /> <br />SPECIFICATIONS <br />MODEL 3400 DUST 90LLECTOR <br /> <br />Engineering <br /> <br />05/01/90 <br /> <br />Page 3 of 32 <br /> <br />lntegrated Loss Control, lnc. . (612) 783.9581 <br />