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7585372 |
Method and apparatus for generating gas pulses
Method and apparatus of producing gas pressure pulses in a dust-deposit cleaning apparatus. The apparatus comprises a combustion chamber and an amplifying horn. According to the method a...
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7497224 |
Nozzle apparatus
An apparatus is provided that includes a length of pipe having a passageway for communicating a liquid under pressure therethrough, and at least one nozzle in communication with the passageway. The...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7026598 |
Vector-based targeting control for a water cannon
A method for controlling the positioning of a stream of pressurized fluid against a surface zone of a stream generator to clean contaminants. The coordinates of a plurality of points of the surface...
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7011047 |
Detonative cleaning apparatus
Methods and apparatus are provided for cleaning a surface within a vessel. A fuel/oxidizer charge is provided within a combustion conduit. An initial deflagration commenced in a first portion of...
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6935281 |
Method for cleaning combustion devices
An on-line method and a device for cleaning of contamination such as caking or slag deposits from surfaces in vessels and combustion installations by means of blasting technology. An explosive gas...
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6925969 |
Boiler wall box cooling system
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...
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6907847 |
Ball-joint mounting for a water lance of a water lance blower
A bearing system for a water lance of a water lance blower contains a ball joint having a ball with a surface and a diameter. The ball further has a passage, on and/or in which the water lance can...
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6892679 |
Multi-media rotating sootblower and automatic industrial boiler cleaning system
A multi-media rotating sootblower that includes multiple rotating and individually controlled cleaning fluid applicators, such a set of steam nozzles and two sets of water nozzles, and an automatic...
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6833032 |
Automatic deliming process
An automatic deliming process for a steam oven cooker is described. The process initiates a deliming procedure after a predetermined time of normal operation, which period of time is determined by...
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6820575 |
Upper bundle steam generator cleaning, inspection, and repair system
An upper bundle steam generator cleaning, inspection, and repair system includes a deployment and support device receivable within the steam generator configured to raise and position a distal end...
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6764030 |
Sootblower nozzle assembly with an improved downstream nozzle
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...
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6758168 |
Method and apparatus for sootblowing recovery boiler
A method and apparatus for sootblowing a recovery boiler. Sootblowers of the recovery boiler are divided into sootblowing groups, and a sootblowing interval is determined for the sootblowers. A...
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RE38542 |
Upper bundle steam generator cleaning system and method
An upper bundle steam generator cleaning system including a cleaning head deployment and support device receivable through a hand hole of the steam generator and including retractable cylinders...
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6748904 |
Steam producer capable of performing dual heating processes
A steam producing device capable of performing dual heating processes includes an outer shell, and a heating member inserted in, and secured to the outer shell; the heating member has a steam room,...
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6684823 |
Impulse ash deposit removal system and method
An impulse generator produces controlled pressure waves for removing ash deposits from heat exchangers in a boiler. The impulse generator has a fuel inlet, an air inlet, an ignitor, an outlet, and...
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6681839 |
Heat exchanger exchange-tube cleaning lance positioning system
A heat exchanger exchange-tube cleaning lance positioning system that includes a three axis cleaning lance positioning mechanism that is attachable to the end of a heat exchanger and that is...
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6655322 |
Boiler water blowdown control system
The present invention relates to a method for automatically maintaining the concentration of scale forming minerals in boiler water for boiler systems utilizing bimodal feedwater pumps that deliver...
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6609531 |
Condenser tube cleaning nozzle
A condenser tube cleaning nozzle which is cushioned with resilient washers. The present invention provides a stiffened nozzle adapted to handling high pressure, while at the same time providing...
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6605254 |
Method using ethylene oxide to fumigate corrosion promoting microbes
The present invention relates to a method of fumigating closed systems susceptible to microbially influenced corrosion (MIC). The method is particularly useful in a method for mitigating MIC in...
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6581549 |
Sootblower lance port with leak resistant cardon joint
A cardon joint is provided for mounting in a wall of a boiler to accommodate a sootblower lance and to allow the lance to be manipulated with respect to the boiler wall. The cardon joint includes a...
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6575122 |
Oscillating sootblower mechanism
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...
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6543392 |
Deployment system for an upper bundle steam generator cleaning/inspection device
A deployment system for an upper bundle steam generator cleaning/inspection device, the deployment system including an elongated body feedable through an access in a steam generator shell proximate...
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6536379 |
Steam cleaning device
A steam cleaning device includes a conduit with a passageway to be aligned and in fluid communication with a duct of a steam generating member secured in a housing. A steam delivering head is...
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6523502 |
Exfoliated magnetite removal system and controllable force cooling for boilers
A method of controllable cooling of a boiler ( 10 ) and removing exfoliated magnetite from the boiler tubes ( 30, 31 ) employs flowing dry gas through the boiler tubes ( 30, 31 ) at a flow velocity...
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6431125 |
Device for regulating and cleaning an air intake
A device for regulating and cleaning an air port ( 3 ) arranged in the wall ( 2 ) of a furnace, especially a soda house furnace, comprises a cleaning arrangement ( 1 ) and an arrangement ( 4 ) for...
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6425352 |
Sootblowing optimization system
Removal of combustion deposits from a fossil fuel boiler surface is optimized by using a sootblower to direct a cleaning medium in accordance with adjustable operating parameters against a surface...
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6412449 |
Segmented lance assembly
A lance assembly for insertion into a steam generator chamber includes a hinged support for guiding the lance within the chamber which may be stored easily in a smaller space outside the chamber...
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6382142 |
Steam/ironing dual mode cleaning apparatus
A steam/ironing dual mode cleaning apparatus includes a housing defining a receiving chamber, a water tank unit mounted in the receiving chamber and adapted to hold water, a steam boiler mounted in...
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6323442 |
System and method for measuring weight of deposit on boiler superheaters
A method and system for measuring a weight of a deposit that forms on a tube bank independently-suspended by one or more hanger rods within a boiler are characterized by having one or more strain...
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6308774 |
Method for the cleaning of heat exchange tubes and collecting device for the collection of deposits from heat exchange tubes
A method for the cleaning of heat exchange tubes and a collecting device for the collection of deposits from heat exchange tubes, include releasing deposits and collecting the deposits with a...
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6302064 |
Steam generator comprising a flow distribution baffle
The flow distribution baffle (14) is placed inside the bundle wrapper (7) of the steam generator, at its lower part,-near the steam generator tube plate. Passing through the flow distribution...
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6283069 |
Drive system for a water lance blower
A water lance blower for cleaning heating installations, wherein a water lance (6) is movably (5) arranged with its mouth on or in a hatch (2) and can blow a water jet through the heating...
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6101985 |
Water lance blower with shortened water lance
A water lance blower for cleaning heating installations, wherein a water lance (6) is movably (5) arranged with its mouth on or in a hatch (2) and can blow a water jet through the heating...
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