Dual pressure recovery boiler

Details Dual pressure recovery boiler Dual pressure recovery boiler

2007-07-17

2007-07-17

Wilson, Gregory A. (Department: 3749)

Liquid heaters and vaporizers

Steam treatment

Automatic heat regulation of superheater

C122S00700A

Reexamination Certificate

active

10969125

ABSTRACT:
A dual pressure boiler system has a bottom furnace that operates as a low pressure natural circulation steam generating system and a top furnace that operates as a high pressure natural circulation steam generating system. The low pressure natural circulation steam generating system has a low pressure steam drum, a first pump for providing feed water to the low pressure steam drum, and a low pressure superheater fluidly connected to the low pressure steam drum. The high pressure natural circulation steam generating system has a high pressure steam drum, a second pump for providing feed water to the high pressure steam drum, and a high pressure superheater fluidly connected to the high pressure steam drum.

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