Apparatus for controlling a number of boilers

Details Apparatus for controlling a number of boilers Apparatus for controlling a number of boilers

1982-11-05

1985-08-13

Bennett, Henry

Liquid heaters and vaporizers

Automatic control of fluid fuel and water

Once through

236 1E, 237 8R, F22D 3742

Patent

active

045343217

ABSTRACT:
The disclosure relates to an apparatus for controlling a number of boilers which are, in terms of water engineering, interconnected in series and each are provided with their control equipment having a first and a second switch, the first switch being arranged to generate a signal "permission to increase", and the second switch being arranged to generate a signal "permission to reduce", whereby the boilers are given priority ranking in such a manner that the first boiler must always attain full output before a subsequent boiler can commence to be connected in and so that a subsequent boiler must always be reduced to zero output before a preceding boiler can commence to reduce its output.

REFERENCES:
patent: 2480883 (1949-09-01), Schramm
patent: 4252300 (1981-02-01), Herder
patent: 4324207 (1982-04-01), Leuthard
patent: 4365742 (1982-12-01), Cogar
patent: 4368502 (1983-01-01), Jornod et al.

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