Combustion – Flash-back controlling or preventing structure
Patent
1993-02-08
1994-08-09
Dority, Carroll B.
Combustion
Flash-back controlling or preventing structure
220 882, 48192, F23D 1482
Patent
active
053360834
ABSTRACT:
A detonation arrestor for a line carrying a combustible gas includes a cell housing having a portion that is directed to quenching a detonation front and a portion that is directed primarily to heat absorption so that the heat of a continuous or prolonged burn can be withstood. The quenching portion may be a porous quenching medium. The heat absorption section contains a large mass of metal with porous channels through or between them. An example is a plurality of closely spaced stacked plates, which may be helically wound or plane parallel plates. Crimped ribbon or other spacers may separate them. As an alternative to the quenching medium, the plates may extend long enough to allow flame fronts to be quenched between them. The detonation arrestor is symmetrical and may be placed in the flare line in either direction. If particulate quenching medium is used, a deflector ring encircles the interior of the cell housing and prevents flame fronts from flashing along the edge of the cell housing.
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Enardo Flame Cells, Enardo Series 7 Flame Arrestors, Enardo Flame Arrester Threaded & High Pressure Inline Models, Enardo Series 7 Flame Arrestors, 7 pages which refer to marketing of flame cells since 1958, 1989.
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Dority Carroll B.
Lambert Anthony R.
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