TORCH HEAD STRUCTURE Russian patent published in 1995 - IPC

FIELD: torch structures. SUBSTANCE: torch head structures for burning of emergency gas outbursts and can be used in petroleum, petroleum refining, chemical and other branches of industry associated with emergency gas burning. The torch head structure uses a cylindrical tube, in which a seal in the form of a pack of diaphragms, hermetically attached to the tube, is installed. The diaphragm has circular through holes, whose dimensions decrease in the direction of gas flow. Diaphragm edges forming the circular outlet duct of the lock are arranged in lemniscate sections. The edges of through hole of the latter in the direction of diaphragm gas flow are arranged in lemniscate points with zero curvature. EFFECT: reduced consumption of blow gas due to decrease of its flow rate. 1 dwg, 1 tbl