Textiles: fluid treating apparatus – Machines – Liquid flowing
Patent
1991-06-20
1993-02-23
Stinson, Frankie L.
Textiles: fluid treating apparatus
Machines
Liquid flowing
68184, 162 60, 162251, 21033301, D21D 504
Patent
active
051879565
ABSTRACT:
In a pressure diffuser, clogging of the tapered inlet passageway at the bottom of the vessel is minimized by providing a number of lubricating fluid introducing nipples disposed circumferentially around the annular passageway. The nipples introduce lubricating fluid so that it flows upwardly along the inner wall of the vessel. The vessel inner wall and the bottom support for the screen at the passageway are polished and free of projections, so that friction is minimized. The nipples are provided in sets that are staggered so that a nozzle is placed about every 15.degree. around the circumference of the vessel, and a common annular header--mounted on the support legs of the vessel--provides the lubricating fluid. Should screen movement slow as a result of paper pulp properties near the screen bottom support, the flow rate of lubricating liquid can be increased so as to significantly dilute the pulp at the passageway until slow movement of the screen is overcome.
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Bain Ronald G.
Barrett Mark
Bilodeau Victor L.
Hefele John
Phillips Joseph R.
Kamyr Inc.
Stinson Frankie L.
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