Device for controlled combustion of an ignitable hydrogen/air mi

Details Device for controlled combustion of an ignitable hydrogen/air mi Device for controlled combustion of an ignitable hydrogen/air mi

1990-11-19

1992-04-28

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Recombiners

361253, G21C 900

Patent

active

051086964

ABSTRACT:
A device for controlled combustion of an ignitable hydrogen/air mixture in a gas mixture of a nuclear power plant, especially in a containment thereof, includes a spark igniter for tripping an ignition process. At least one ignition source is connected to the spark igniter. The ignition source has a self-sufficient energy storage device. The ignition source has at least one first trip element connected between the spark igniter and the energy storage device for responding as a function of temperature to trip the ignition process, and at least one second trip element connected between the spark igniter and the energy storage device for responding as a function of pressure to trip the ignition process. The at least one first trip element is in thermally conductive contact and the at least one second trip element is in pressure-transmitting contact with the gas mixture to be monitored. The energy storage device discharges to the spark igniter if one of the trip elements responds. The spark igniter creates ignition sparks being repeated at intervals during an accident extending over a relatively long period of time.

REFERENCES:
patent: 4381913 (1983-05-01), Craig et al.
patent: 4425495 (1984-01-01), Cake et al.
patent: 4891181 (1990-01-01), Heck
patent: 4911879 (1990-03-01), Heck et al.

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