Apparatus and method for measuring total dissolved solids in...

Details Apparatus and method for measuring total dissolved solids in... Apparatus and method for measuring total dissolved solids in...

2005-12-27

2005-12-27

Wilson, Gregory A. (Department: 3749)

Liquid heaters and vaporizers

Automatic control of fluid fuel and water

C122S447000

Reexamination Certificate

active

06978741

ABSTRACT:
A method and apparatus for controlling the operation of a pressurized steam boiler heated by a burner. The method includes the steps of monitoring the level of total dissolved solids in water contained in the boiler, monitoring the level of water in the boiler, monitoring the pressure of steam in the boiler, monitoring the firing rate of the burner; controlling the blow down of the boiler having regard to the level of total dissolved solids in water contained in the boiler, and controlling the flow rate of water into the boiler and the firing rate of the burner. All input signals relating to the monitoring steps are passed to a common control unit and all output signals relating to the controlling steps are transmitted from the common control unit.

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