1537259 Starting-up vapour generators FOSTER WHEELER ENERGY CORP 15 Dec 1975 [16 Dec 1974 2 Jan 1975] 40013/77 Divided out of 1537258 Heading F4A In a power plant the vapour generator system has a pressure regulator 14 disposed in the circuit between the boiler and one or more separators 16 feeding vapour to superheaters 18. The pressure regulator comprises a capilliary tube or tubes 176 controlled by a valve 174, a pressure controlled valve 172 in parallel and a full flow valve 170 in parallel. The valves 174, 172, 170 are operated in sequence on start up.
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