Title:
ドラム型ボイラのドラム水位制御方法及び装置
Document Type and Number:
Japanese Patent JP5030384
Kind Code:
B2
Abstract:
A method for controlling the level of a drum in a drum-type boiler includes adjusting a gain of a drum level PID (such as a Proportional Integral Derivative control) in accordance with a signal representative of a set of tuning constants, a signal representative of drum level, and a signal representative of a drum level setpoint. The method also includes utilizing a flow control PID to adjust a drum level control valve, wherein the flow control PID adjusts the drum level control valve in accordance with an output of the drum level PID, a signal representative of steam flow, and a signal representative of drum feedwater flow.
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| JPS63169407 | FEEDWATER CONTROLLER |
Inventors:
Manu Dew Arora
Leroy Omar Tomlinson
Raub Warfield Smith
Bruce Gordon Norman
Matthew Lennon
Leroy Omar Tomlinson
Raub Warfield Smith
Bruce Gordon Norman
Matthew Lennon
Application Number:
JP2005034152A
Publication Date:
September 19, 2012
Filing Date:
February 10, 2005
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
F22D5/30; F01K23/10; G05D9/12; G05D16/20
Domestic Patent References:
| JP55112911A | ||||
| JP48085905A | ||||
| JP58145803A | ||||
| JP62210304A | ||||
| JP56087703A |
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa
Hirokazu Ogura
Nobukazu Ito
Toshihisa Kurokawa