Method of manufacturing and installing an inlet line deflector i

Details Method of manufacturing and installing an inlet line deflector i Method of manufacturing and installing an inlet line deflector i

1978-07-19

1979-06-26

Husar, Francis S.

Metal fusion bonding

Process

With removing or reshaping of filler material or flash after...

228170, 228182, 138 39, 209211, B23K 2802, B04B 1100

Patent

active

041590732

ABSTRACT:
The invention relates to a process for the manufacture of a generally flat triangularly shaped metal deflector for installation to the interior non-tangential surface of an inlet pipe to the bowl of a centrifugal separating cyclone. The deflector constricts the inlet cross section to the bowl by about 19% to about 32%. The process comprises the steps of selecting a pipe section of the same size as the inlet pipe and marking the chord ends at the center angle between 118.degree. and 149.degree., preferably close to 120.degree.; marking the chord on a template sheet to fix the width of the base of the deflector pattern; determining the length of the deflector at its triangular apex and so marking the template sheet; cutting the sheet at the base and cutting the triangular sides slightly beyond the edges for later trimming near the apex; trimming the top apex of the sheet to form a short straight line parallel to the base and trimming the sides to form arcuate sides, thereby completing the deflector pattern; cutting a metal sheet to the form of the deflector pattern; and welding the cut deflector at its side edges and apex within the pipe at an angle of 8.degree. to 12.degree..

REFERENCES:
patent: 911258 (1909-02-01), Neumann
patent: 3288286 (1966-11-01), Prins et al.
patent: 3687360 (1972-08-01), Prew et al.
patent: 3938233 (1976-02-01), Cannon

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