Quenching method and apparatus
Номер патента: EP1337672A1
Опубликовано: 27-08-2003
Автор(ы): Paul Francis Stratton
Принадлежит: BOC Group Ltd
Опубликовано: 27-08-2003
Автор(ы): Paul Francis Stratton
Принадлежит: BOC Group Ltd
Реферат: A hot object is quenched after heat treatment. A hot gas stream having at least 20% by volume of hydrogen is taken from for example a carburising chamber of a furnace. The gas is cooled by passage through a heat exchanger, and is compressed in a compressor. The compressor has an aftercooler (not shown) to remove heat of compression from the gas. The cooled, compressed gas flows through nozzles into a quenching chamber. The gas leaves the nozzles at a velocity of at least 50 m/s and impinges upon the hot metal object so as to effect its quenching.
Annealing and quenching method
Номер патента: US4992112A. Автор: Wolfgang Reuter. Владелец: Leybold AG. Дата публикации: 1991-02-12.