| Patent Number |
Title Of Patent |
Date Issued |
| 7475645 |
Retractable liquor gun holder for a recovery furnace |
January 13, 2009 |
| A liquor gun holder for a recovery furnace includes a rail assembly, a carriage assembly moveably mounted onto the rail assembly such that the carriage assembly is moveable longitudinally along the rail assembly, a pivot pin supported by a bearing and extending laterally from the car |
| 7392751 |
Port rodder with velocity damper |
July 1, 2008 |
| A port rodder assembly for a recovery boiler includes a duct affixed to and in fluid communication with an air port of the boiler, having a hollow interior, and an air inlet opening. A cutting head is slidably mounted within the duct adjacent to the air port and is adapted to clean t |
| 7360508 |
Detonation / deflagration sootblower |
April 22, 2008 |
| A sootblower for cleaning a plurality of surfaces within an interior volume of a combustion device is provided. The sootblower includes a combustion assembly configured to generate a pressure wave and a delivery assembly having an outlet for delivering the pressure wave into the inte |
| 7028926 |
Sootblower nozzle assembly with nozzles having different geometries |
April 18, 2006 |
| In accordance with the teachings of the present invention, a sootblower design incorporates a downstream nozzle positioned on a nozzle block body and an upstream nozzle positioned longitudinally from the position of the downstream nozzle farther from a distal end of the nozzle block than |
| 7001067 |
Pyrometer for measuring the temperature of a gas component within a furnance |
February 21, 2006 |
| A pyrometer for use in measuring temperatures in a furnace, has a lens-tube for supporting an optical head in a port of the furnace for viewing an interior of the furnace along a line of sight. The optical head converts infrared radiation to electrical signals. A photometer circuit c |
| 6928937 |
Sootblowing control based on boiler thermal efficiency optimization |
August 16, 2005 |
| The present invention provides a process for the control of a cleaning system for a boiler which incorporates factors related to the overall operation and efficiency of the boiler. Current values of plant data parameters associated with the boiler furnace are compared with respective |
| 6925969 |
Boiler wall box cooling system |
August 9, 2005 |
| A wall box coupled with a wall port of a combustion device is provided. The combustion device includes a wall and an interior volume defined by the wall. The wall box includes a cooling chamber surface defining a cooling chamber located adjacent to the wall port. A cooling fluid enters t |
| 6909495 |
Emissivity probe |
June 21, 2005 |
| An emissivity probe for measuring reflected energy from interior wall surfaces of large scale boilers. The emissivity probe uses a pair of light guides which respectively receive light energy from the interior of the boiler and that reflected off a wall surface. Using appropriate photo |
| 6806900 |
Furnace video camera apparatus |
October 19, 2004 |
| A high temperature camera apparatus having an elongated camera housing tube and an elongated camera support member, supporting a video camera at the interior end of the camera housing tube. A ceramic heat shield tube telescopically surrounds at least a portion of the camera, and preferab |
| 6782902 |
Sootblower lance tube for dual cleaning media |
August 31, 2004 |
| A long retracting sootblower device for conducting different cleaning media types to the interior of a heat exchanger having a lance tube assembly (12), a feed tube, a carriage assembly (1), a first cleaning media supply, and a second cleaning media supply. The lance tube assembly includ |
| 6778209 |
Furnace video camera apparatus |
August 17, 2004 |
| A high temperature camera apparatus having an elongated steel camera housing tube and an elongated steel camera housing tube and an elongated camera support member, supporting a video camera at the furnace interior end of the camera housing tube. A ceramic heat shield tube telescopically |
| 6772775 |
Sootblower mechanism providing varying lance rotational speed |
August 10, 2004 |
| A drive assembly for a sootblower which provides a non-constant rate of rotational motors of the lance tube through the use of non-circular gears in the drive assembly. The drive assembly is used to provide a uniform or near uniform rate of progression of a jet of cleaning medium ejected |
| 6764030 |
Sootblower nozzle assembly with an improved downstream nozzle |
July 20, 2004 |
| The present invention discloses a new design of the nozzle and the lance tube of a sootblower to clean the interior of a heat exchanger by impingement of a jet of cleaning medium. In accordance with the teachings of the present invention the sootblower design developed, incorporates a |
| 6733173 |
Pyrometer for measuring the temperature of a gas component within a furnace |
May 11, 2004 |
| A pyrometer for use in measuring temperatures in a furnace, has a lens-tube for supporting an optical head in a port of the furnace for viewing an interior of the furnace along a line of sight. The optical head converts infrared radiation to electrical signals. A photometer circuit conne |
| 6655397 |
Articulating water monitor cleaning device |
December 2, 2003 |
| An articulating water monitor-cleaning device for cleaning internal surfaces of large-scale combustion devices. The device is mounted to the exterior of a wall of a combustion device and positions a water spray lance to direct a stream of water against internal surfaces over a range |
| 6575122 |
Oscillating sootblower mechanism |
June 10, 2003 |
| A sootblower assembly for cleaning heated surfaces within a boiler or other combustion system of the long retracting oscillation type. A kinematic drive mechanism is provided for causing the sootblower lance tube to oscillate such that cleaning medium discharge from nozzles on the lance |
| 6190628 |
Method for injecting NOx inhibiting liquid reagent into the flue gas of a boiler in response to |
February 20, 2001 |
| A method and apparatus for optimizing the injecting of NO.sub.x inhibiting liquid reagent into the flue gas of a utility or industrial type boiler to reduce emissions of NO.sub.x including a temperature sensor for measuring the boiler flue gas temperature and a moveable conduit for injec |
| 5950677 |
Pressure equalization valve |
September 14, 1999 |
| A pressure equalization valve for alternatingly equalizing pressures between a first fluid source and at least two second fluid sources is disclosed. The pressure equalization valve includes a valve body, which includes a first port in fluid communication with the first fluid source |
| 5920951 |
Parameter sensing sootblower |
July 13, 1999 |
| A PLC based parameter sensing sootblower having a retractable lance tube that is extended and retracted by a drive motor. A PLC sensing circuit is used to sense when the lance tube is fully extended and/or fully retracted. The PLC sensing circuit can be configured to sense drive motor |
