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| Number | Title | Issue Date |
| 8176883 | Retractable articulating robotic sootblower A sootblower is provided having a multidirectional cleaning range for directing a cleaning medium against heated surfaces in a heat exchanger. The sootblower includes a rotatable lance tube that is selectively advanced and withdrawn along a longitudinal axis from an... | 05/15/2012 |
| 7987821 | Detonation combustor cleaning device and method of cleaning a vessel with a detonation combustor cleaning device A detonation combustor cleaning device includes at least one combustion chamber having combustion flow path and including a deflection member. An ignition device is operatively connected to the at least one combustion chamber is selectively activated to ignite a com... | 08/02/2011 |
| 7975658 | Air port and smelt spout cleaner and drop jaw tip An air port or smelt spout cleaning tip presents a wider cleaning area configuration on an insertion phase, and on retraction, the tip collapses to provide a smaller size to prevent against hanging up on adjacent structures. ... | 07/12/2011 |
| 7891325 | Cleaner for the smelt spout of a recovery boiler A cleaning apparatus for a smelt spout of a recovery boiler, which apparatus comprises a motorized cleaning member (7) for cleaning the smelt spout (1). The cleaning apparatus further comprises a path (5) and a cleaning unit, which comprises mot... | 02/22/2011 |
| 7845314 | Submerged combustion disposal of produced water The present invention relates to a method of disposing of produced water and to a produced water disposal apparatus including a container for receiving and holding produced water; and a burner having a combustion chamber, wherein at least a portion of the combustion... | 12/07/2010 |
| 7832366 | Sootblower frame assembly A sootblower frame particularly adapted for long retracting-type sootblowers for cleaning of internal surfaces of large scale combustion devices. The frame, preferably formed from sheet metal stock, incorporates integrally formed surfaces and configuration features ... | 11/16/2010 |
| 7765960 | Device for cleaning the fire tubes in a boiler A device for use when cleaning the heating surface of a tube changer, such as the fire tubes in a boiler, having a scraper member that is fixed to a movement member for moving the scraper member through one fire tube at a time and a guide for positioning the scraper... | 08/03/2010 |
| 7464670 | System for cleaning, inspection and tooling delivery in the secondary side of a steam generator A system for delivering tooling around the annulus of a steam generator without damaging any part of the steam generator is provided where the tooling delivery device travels between the tube bundle and the vessel shell and delivers tooling for cleaning, inspection,... | 12/16/2008 |
| 7458342 | Method and system for sootblowing optimization A controller determines and adjusts system parameters, including cleanliness levels or sootblower operating settings, that are useful for maintaining the cleanliness of a fossil fuel boiler at an efficient level. Some embodiments use a direct controller to determine... | 12/02/2008 |
| 7434546 | Steam generator loose parts collector weir A loose parts collection weir that is a nearly cylindrical structure that is integrally attached to the lower deck plate or sludge collector top plate of a steam generator to retain loose parts along the feedwater and recirculation water transit path to the tube bun... | 10/14/2008 |
| 7410611 | In-line method and apparatus to prevent fouling of heat exchangers The present invention relates to a method and apparatus for the prevention of fouling of process streams by the application of electric charge on process components. The electric charge may be attractive or repulsive to the foulants, they may be constant or variable... | 08/12/2008 |
| 7395760 | Device, system and method for on-line explosive deslagging A device, system and method permitting on-line explosives-based cleaning and deslagging of a fuel burning facility (31) such as a boiler, furnace, incinerator, or scrubber. A coolant, such as ordinary water, is delivered to the explosives (101) to prev... | 07/08/2008 |
| 7392751 | Port rodder with velocity damper 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 ... | 07/01/2008 |
| 7383790 | Method and apparatus for controlling soot blowing using statistical process control A statistical process control system employs a consistent soot blowing operation for a heat exchange section of, for example, a fuel burning boiler, collects heat absorption data for the heat exchange section and analyzes the distribution of the heat absorption data... | 06/10/2008 |
| 7367288 | Upper bundle cleaning system of steam generator An upper bundle cleaning system of steam generator is disclosed which can clean heat transfer tubes and a plurality of tube support plates that support the heat transfer tubes and have slots, using a cleaning device transferred along a guide rail installed to an upp... | 05/06/2008 |
| 7367079 | Integral packing housing and packing material unit An integral packing housing and packing material unit; a method for packing replacement, boiler cleaning; and a method for maintenance of a desired boiler output rating. The integral packing unit includes a housing for removably holding a sacrificial packing materia... | 05/06/2008 |
| 7360508 | Detonation / deflagration sootblower 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 ... | 04/22/2008 |
| 7341067 | Method of managing the cleaning of heat transfer elements of a boiler within a furnace A method of cleaning a heat transfer element within a boiler furnace is provided. The method includes the steps of allowing a furnace to operate and deposit ash on a heat transfer element, determining an efficiency rate for at least one cleaning element, and managin... | 03/11/2008 |
| 7340903 | Scalable power generation using a pulsed detonation engine A scalable power generator is described. A scalable, portable pulsed detonation engine is coupled to a turbine which drives a generator and using commonly available fuels, electric energy is provided. Additional embodiments incorporate a mechanical compressor at the... | 03/11/2008 |
| 7337613 | Method for monitoring and controlling steam turbine system pH using shaft current The present invention involves a system for controlling the electric charge within the exhaust hood and condenser of a steam turbine by using shaft current as an indirect measurement of exhaust charge, and then adjusting the pH accordingly. The present invention use... | 03/04/2008 |
| 7302917 | Chemical cleaning of a steam generator during mode 5 generator shut down A Nuclear Steam Supply Stem (NSSS) Mode 5 Steam Generator Chemical Cleaning system is disclosed which applies chemical cleaning solvent (formulated to remove SG deposits) to the secondary side of the SG using primary side supplied heat during NSS Mode 5 shutdown to ... | 12/04/2007 |
| 7294258 | Device for chemically/physically treating drinking water The invention relates to a device for physically treating drinking water, in particular, for reducing the formation of limestone. The invention device comprises at least one water inlet (3b) and at least one water outlet (3c), whereby the... | 11/13/2007 |
| 7269967 | Method and apparatus for removing moisture from evaporator coils A method and apparatus for removing excess moisture from the evaporator coils of an air-conditioning system in which the moisture is removed from the evaporator coils by vibrating the coils. The coils may be vibrated by mechanical or acoustic devices such as solenoi... | 09/18/2007 |
| 7267134 | Control of detonative cleaning apparatus A shockwave cleaning apparatus cleans one or more surfaces within a vessel. A sensor senses one or more thermodynamic properties associated with the vessel. A control system is coupled to an initiator and a fuel/oxidizer source to control the firing of the apparatus... | 09/11/2007 |
| 7264039 | Apparatus for cleaning heat exchanger plates and a bulk material heat exchanger using the same An apparatus removing material accumulated on the exterior surfaces of adjacent heat exchanger plates arranged side-by-side in a spaced relationship in a bulk material heat exchanger and a bulk material heat exchanger incorporating the apparatus is provided. In one ... | 09/04/2007 |
| 7259848 | Process measuring point A process for measuring a point comprising at least one spectrometer and a measuring transducer connected thereto for picking up, processing and forwarding measuring signals from the spectrometer, the spectrometer being arranged in an armature for introduction into ... | 08/21/2007 |
| 7204208 | Method and apparatuses to remove slag A robotic apparatus for the cleaning and maintenance of coal fired boilers, which is designed to operate in the high temperature environment of the combustion gasses to effectively clean and remove slag deposits of the boiler heat transfer surfaces by use of a preci... | 04/17/2007 |
| 7206644 | Method and system for optimizing operation schedule of plant A plant-operation-schedule optimization system includes a data inputting device transmitting a future operation planned value of at least one plant to be controlled; an operation-data inputting device transmitting operation data concerning the plant; and an operatio... | 04/17/2007 |
| 7194780 | Kiln cleaning apparatus An apparatus for cleaning deposits from the interior surfaces of a kiln. The apparatus utilizes a directed high-pressure fluid jet to remove deposits adhering to elements within a kiln. The pressurized fluid is delivered to the fluid jet through the shaft of a rotar... | 03/27/2007 |
| 7190890 | Fluid heater A portable fluid heating tool capable of heating a flow of water under mains pressure to about 107 degrees Celsius and has a connection to a water supply via a hose. Water flows through an electrical heater within the tool, then to a thermally controlled pressure re... | 03/13/2007 |
| 7162981 | System for annulus tooling alignment with suction pickup in the stay dome on the secondary side of a steam generator A system is provided for delivering tooling, suction pickup, and alignment platforms to a stay dome region of a stem generator or the tube-free lane regions adjacent to the stay dome region and includes a suction device positioned in the stay dome region of a steam ... | 01/16/2007 |
| 7159400 | Rankine cycle apparatus When a flow of a working medium stagnates in an expander or evaporator of a Rankine cycle apparatus including a closed working medium circulation circuit, a high pressure exceeding an allowable maximum pressure level of the expander or evaporator is produced within ... | 01/09/2007 |
| 7132017 | Low-pressure cleaning system using high velocity high volume air A method for cleaning a heat exchanging coil in an air conditioning unit using a low-pressure cleaning system to remove foreign particles that have accumulated on the heat exchanging coil. The low-pressure cleaning system discharges air at a low pressure, high veloc... | 11/07/2006 |
| 7109446 | Method and apparatus for improving steam temperature control A system for analyzing the impact of operating soot blowers in a heat transfer section of a power plant determines a steam temperature influencing sequence and calculates a feed-forward signal to be applied to a steam temperature control system of the heat transfer ... | 09/19/2006 |
| 7104223 | Detonative cleaning apparatus An apparatus and methods are provided for cleaning a surface within a vessel. A vessel wall separates a vessel exterior from a vessel interior and has a wall aperture. An elongate conduit has an upstream first and a downstream second end and is positioned to direct ... | 09/12/2006 |
| 7101636 | Fuel cell system As the fuel cell apparatus of the present invention comprises a fuel cell for generating electricity by supplying a fuel pole with fuel gas and an oxidant pole with air, a washing liquid tank, disposed in a supply passage of the air, for reserving washing liquid, an... | 09/05/2006 |
| 7094293 | Device and method for mechanical cleaning of grooves A device for mechanically cleaning a grooves used to hold a rotor or a stator winding of an electric machine includes an axially moveable device carrier and at least one cleaning tool connected to the device carrier and extending radially from the device carrier int... | 08/22/2006 |
| 7086353 | Lance system for inter-tube inspecting and lancing as well as barrel spraying of heat transfer tubes of steam generator in nuclear power plant Disclosed is a lance system for inter-tube inspecting and lancing as well as barrel spraying of heat transfer tubes of a steam generator in a nuclear power plant, so that foreign substances piled up around heat transfer tubes in the steam generator are removed using... | 08/08/2006 |
| 7077563 | Deposition sensor based on differential heat flux measurement An apparatus and method for the monitoring and measurement of chemical and/or biological deposition in heat exchangers and other fluid processing vessels. The new and original sensing system includes at least two hollow fluid vessels conductively mounted across a co... | 07/18/2006 |
| 7064664 | Graffiti detection system and method of using the same The present invention involves a system and method for detecting a graffiti-making act such as the spray of a spray paint can, the writing with a felt-marker pen on a surface, and the scratching with an abrasive instrument on a surface. The system includes one or mo... | 06/20/2006 |
