Predictive header pressure control

Data processing: generic control systems or specific application – Specific application – apparatus or process – Electrical power generation or distribution system

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C700S036000

Reexamination Certificate

active

07469167

ABSTRACT:
A predictive header pressure controller uses predictive boiler steaming models to anticipate future changes in boiler steaming rates, converts the anticipated steaming rates to anticipated rates of change in header pressure, compares the anticipated rates of change of header pressure to measured rates of change of header pressure and controls header pressure of a multi-boiler energy system to a derived rate of change header pressure setpoint. The control may be accomplished by a control action that is integral only or it may be an incremental output directly compatible with distribution hubs. A control signal is directed to one or more control devices that adjust and control header pressure.

REFERENCES:
patent: 3914795 (1975-10-01), Alliston et al.
patent: 3919720 (1975-11-01), Alliston
patent: 4042813 (1977-08-01), Johnson
patent: 4201924 (1980-05-01), Uram
patent: 4628462 (1986-12-01), Putman
patent: 4660166 (1987-04-01), Hopfield
patent: 4719591 (1988-01-01), Hopfield et al.
patent: 4819435 (1989-04-01), Silvestri, Jr.
patent: 4916328 (1990-04-01), Culp, III
patent: 4937872 (1990-06-01), Hopfield et al.
patent: 5289362 (1994-02-01), Liebl et al.
patent: 5598349 (1997-01-01), Elliason et al.
patent: 5926776 (1999-07-01), Glorioso et al.
patent: 5999888 (1999-12-01), Aubee
patent: 6181985 (2001-01-01), O'Donnell et al.
patent: 6185483 (2001-02-01), Drees
patent: 6343277 (2002-01-01), Gaus et al.
patent: 6430533 (2002-08-01), Kolluru et al.
patent: 6430544 (2002-08-01), Childress
patent: 6487509 (2002-11-01), Aisa
patent: 6553418 (2003-04-01), Collins et al.
patent: 6591620 (2003-07-01), Kikuchi et al.
patent: 6603218 (2003-08-01), Aisa
patent: 6633823 (2003-10-01), Bartone et al.
patent: 6751783 (2004-06-01), Eneboe et al.
patent: 6832134 (2004-12-01), Havlena
patent: 6918356 (2005-07-01), Rowe et al.
patent: 2004/0193329 (2004-09-01), Ransom et al.
patent: 2005/0045117 (2005-03-01), Rowe et al.
patent: 2005/0159824 (2005-07-01), Childress, Jr.
King, Bruce et al., “Plant-wide distributed control is key to an efficient waste wood fuel systems at Augusta Newsprint,” Energy Engineering and Management in Pulp and Paper Industry, TAPPI, vol./Issue:69, Mar. 1, 1986, p. 92-95.
Childress, Jr., “Closed-Loop Energy Management Control of Large Industrial Facilities,” Industrial Energy Technology Conference (IETC) Houston, Texas, Apr. 16-19, 2002 p. 5-13.
Childress, Jr. et al., “Rule Based Energy Management and Reporting System (EMRS) Applied to a Large Utility Power System Complex,” Industrial Energy Technology Conference (IETC) Houston, Texas, Apr. 20-23, 2004, p. 37-46.
Liptak, Bela G., Instrument Engineers' Handbook, 3rd Edition, Chilton Book Company, 1995 p. 1043-1057.
Instrumentation and Control Systems for Fired Heaters and Steam Generators, API Recommended Practice 556, First Edition, May 1997.
Childress, Jr., “Real Time Pricing Tie Line Control: A Case Study,” Industrial Energy Technology Conference (IETC), Houston, Texas, May 12-13, 1999, p. 117-121.
AAI Web Access Utility—Product Description Revision 1.0 Dated Dec. 1, 2002.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Predictive header pressure control does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Predictive header pressure control, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Predictive header pressure control will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4037575

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.