Class / Patent application number | Description | Number of patent applications / Date published |
122379000 | CLEANING | 49 |
20080264357 | CONTROL OF DETONATIVE CLEANING APPARATUS - An apparatus is provided for cleaning one or more surfaces within a vessel having a vessel wall separating a vessel exterior from a vessel interior and having a wall aperture. The apparatus has at least one elongate conduit having an upstream first end and a downstream second end and positioned to direct a shockwave from the second end into the vessel interior. A source of fuel and oxidizer is coupled to the conduit to deliver the fuel and oxidizer to the conduit An initiator is positioned to initiate a reaction of the fuel and oxidizer to produce the shockwave. At least one sensor coupled to the conduit to detect motion indicative of a detonation. A control system coupled to the initiator, the source, and the sensor for receiving input from the sensor and controlling operation of the initiator and source responsive to said input. | 10-30-2008 |
20090090311 | SOOTBLOWING OPTIMIZATION FOR IMPROVED BOILER PERFORMANCE - A sootblowing control system that uses predictive models to bridge the gap between sootblower operation and boiler performance goals. The system uses predictive modeling and heuristics (rules) associated with different zones in a boiler to determine an optimal sequence of sootblower operations and achieve boiler performance targets. The system performs the sootblower optimization while observing any operational constraints placed on the sootblowers. | 04-09-2009 |
20090101086 | Water Purification Method, Process and Apparatus - In the water purification process, apparatus, and method, contaminated water vapor is exposed to liquid solvent, which causes a transfer of contaminants from the contaminated water vapor to the liquid solvent. In an advantageous embodiment, this latter step is followed by a second purification step where the decontaminated water in liquid phase is exposed to water vapor which causes a transfer of solvent remaining in the decontaminated water to the water vapor. The energy freed during the condensation of the vapor can advantageously be used for evaporation of the liquids, optionally by compressing the vapors prior to condensation thereof within heat exchangers. | 04-23-2009 |
20090173293 | Injection of premixed concentrated chemical solution in steam generator chemical cleaning - A steam generator chemical cleaning system is provided wherein a concentrated chemical cleaning solution is premixed off-site in sufficient volume and concentration to allow the dilution to proper cleaning level be achieved by slow injection into the generator when filled with demineralized water. The premixed chemicals are transported in a tanker to the generator site and injected therein directly from the tanker. | 07-09-2009 |
20090217888 | APPARATUS FOR THE CLEANING OF HIGH-PRESSURE BOILERS - An apparatus ( | 09-03-2009 |
20090293817 | 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 combustible fuel within the at least one combustion chamber to produce a shockwave that moves in a first direction along the combustion flow path, impacts the deflection member, reverses direction and passes into a vessel to dislodge particles clinging to inner surfaces thereof. | 12-03-2009 |
20110114035 | Method of and apparatus for cleaning fouling in heat exchangers, waste-heat boilers and combustion chambers - A device for cleaning contamination in heat exchangers, waste-heat boilers, or combustion chambers is provided. In some embodiments, the device comprises a tube, a blasting body, and a combustible gas mixture within the tube. In some embodiments, the tube is destroyed after blasting. In some embodiments, the device further comprises a second tube comprising a blasting cord that is connected to a fuse, wherein the second tube is coupled to the first tube by a hinge. | 05-19-2011 |
20110180020 | METHOD AND DEVICE FOR PRODUCING EXPLOSIONS - An apparatus and a method for producing explosions, including a pressure-resistance container having a main explosion chamber introduced therein, further including a supply line for supplying a flowable explosible material, and a drain opening for the directed drainage of gas pressure caused by the ignition of the explosible material. The drain opening is closed directly by a closure means, preferably a plunger, which is pressed against the drain opening using a gas spring and held closed substantially up to the time of ignition. Before the actual main explosion, the closure means is moved by the igniting and the pressure force of an auxiliary explosion, thereby exposing the drain opening. | 07-28-2011 |
20110203535 | Method and System for Sootblower Flow Analyzer - The present invention relates to a method and a system for optimizing steam or other cleaning medium used during soot removal in a boiler in which energy is generated by fuel combustion, with accompanying production of soot, and heat energy is transferred from the product gases to a heated medium via heat exchanger tubes on which the soot collects, by; monitoring the mass flow rate of the cleaning medium, determining which set of sootblowers are in operation, calculating appropriate high flow alarm set point and low flow set point for each particular sootblower, notifying an operator whether the sootblowers are operating within the setpoints so that appropriate action can be taken to the set of sootblowers. In addition, the invention performs leak detection by monitoring for a system bottled up situation and notifies the operator when a steam leak is detected. | 08-25-2011 |
20120000434 | METHOD OF OPERATING STEAM BOILER - Boiler water is heated in a steam boiler while feed water, which has a hardness of 5 mgCaCO | 01-05-2012 |
20120067303 | Circulating Fluidized Bed Boiler - A circulating fluidized bed boiler includes a rectangular furnace which is horizontally enclosed by a front wall, a back wall and two sidewalls, and multiple particle separators connected to the upper portion of each of the front wall and the back wall. Each particle separator includes a gas outlet, and flue gas duct system connected to the gas outlets for conducting cleaned flue gas to a back pass. The particle separators are arranged in pairs of particle separators. Each pair of particle separators includes a front separator arranged adjacent to the front wall and a back separator arranged adjacent to the back wall. The flue gas duct system includes cross over ducts, each cross over duct connecting the gas outlet of a front separator of a pair of particle separators, across and over the furnace, to the gas outlet of the back separator of the same pair of particle separators, and to the back pass, which back pass is arranged on the back wall side of the furnace. | 03-22-2012 |
20120180738 | CATALYST OBSTACLES FOR PULSE DETONATION DEVICE EMPLOYED IN A DETONATION DEVICE CLEANING SYSTEM - A pulse detonation device includes a body member having an outer wall and an inner wall that defines a pulse detonation zone and a plurality of obstacles extend along the pulse detonation zone. At least a portion of the plurality of obstacles include a combustion catalyst. | 07-19-2012 |
20120285398 | WATER-CHAMBER WORKING APPARATUS AND WATER-CHAMBER WORKING METHOD - A water-chamber working apparatus according to the present invention includes a base that holds heat transfer tubes on a tube plate surface and is fixed to the tube plate surface, and a manipulator that is coupled with the base and is suspended in a water chamber. The base includes a base body that is coupled with a manipulator, a wing capable of being displaced forward and backward with respect to the base body, and clamper that are arranged on the wing and are inserted into the heat transfer tube to clamp and hold the heat transfer tube. | 11-15-2012 |
20140261246 | LOCALIZED VACUUM REMOVAL OF STEAM GENERATOR DEPOSITS - A method of cleaning sludge from the top of tube sheet ( | 09-18-2014 |
20140360443 | METHOD AND APPARATUS FOR MANIPULATING EQUIPMENT INSIDE A STEAM GENERATOR - A method and apparatus for manipulating a tool within the secondary side of a steam generator having a tube sheet with a tube bundle having a plurality of heat exchange tubes extending from the tube sheet in rows with an annulus extending around the heat exchange tubes on a periphery of the tube bundle, between the tubes and a wrapper which surrounds the tube bundle. A robot is introduced into the annulus and extends a probe with a tool across selected lanes between the rows of tubes. A method and apparatus is also disclosed for cleaning sludge from the top of a tube sheet that includes introducing a moveable suction apparatus having attached vacuum inlets into either the no tube lane or the circumferential annulus and sludge vacuuming the top of the tube sheet. | 12-11-2014 |
20150007782 | METHOD FOR DETECTION AND MONITORING OF CLINKER FORMATION IN POWER STATIONS - Systems and methodologies for detection and monitoring of the soot build up and clinker formation in coal fired power stations in which there is disclosed early identification of soot build up and hard sintered formation and adopting corrective measures for soot cleaning by automatic cleaning events based on observed levels of heat transfer within the boiler region of the power station. | 01-08-2015 |
20150362175 | SLUDGE-REDUCTION STEAM GENERATOR AND METHOD FOR MANUFACTURING TUBE PLATE OF SLUDGE-REDUCTION STEAM GENERATOR - A sludge-reduction steam generator and a method for manufacturing a tubular plate for same, which can effectively remove sludge deposits from the inside of a steam generator of a pressurized light water reactor. The sludge-reduction steam generator comprises a plurality of U-shaped heat transfer pipes and one or more tubular plates coupled to the heat transfer pipes provide support thereto. The heat transfer pipes are disposed so that heat-exchange hot water flows in a pressure container. The tubular plates are coated with a ceramic material having the same surface electro-kinetic polarity as iron corrosion products in a predetermined range. This prevents the fixation of deposits on the surfaces of the tubular plates by inducing electrically repulsive power on the surfaces of the tubular plates with respect to the deposits and facilitates the removal of the deposits precipitated on the surfaces of the tubular plates by reducing surface friction force. | 12-17-2015 |
20150369549 | An Arrangement in a Thermal Process, and a Method for Measuring the Thickness of a Contamination Layer - An arrangement of a thermal device and a surface reflecting and/or scattering electromagnetic radiation in the inner part of the thermal device. A source of electromagnetic radiation is arranged at a first distance (L | 12-24-2015 |
20160201896 | Method of Obtaining or Maintaining Optical Transmittance into Boiler Liquid | 07-14-2016 |
122380000 | Agitating circulator | 1 |
20140230756 | HYDRODYNAMICS TO LIMIT BOILER FOULING - Methods and systems relate to generating steam from water that may be recycled in thermal oil recovery processes and is heated in tubes having non-obtrusive features to limit fouling formation. The tubes may include jets to generate enhanced flow mixing along an inner wall of the tubes in order to increase heat transfer and disrupt bubble nucleation. Employing the tubes with the inner wall having an average surface roughness of less than one micron may further facilitate disruption of the bubble nucleation. | 08-21-2014 |
122000000 | Blow off | 4 |
122382000 | Bottom | 4 |
20090000573 | Water heater sediment drain system and method - A sediment drain system used in a hot water heater having a tank with a top and a bottom, includes a hot water outlet in vicinity of the top of the tank, and a sediment removal tube having a tube inlet opening in vicinity of the bottom of the tank and a tube outlet opening in vicinity of the top of the tank. A combined hot water and sediment outlet connected to the hot water outlet and to the tube outlet opening mixes and draws off sediment and hot water together for a predetermined period of time from the vicinity of the top of the tank. A method for draining sediment from a water heater includes mixing and drawing off sediment and hot water together for a predetermined period of time from the vicinity of the top of the tank through the combined hot water and sediment outlet. | 01-01-2009 |
20120118246 | SEALED AND SELF-CONTAINED TANKLESS WATER HEATER FLUSHING SYSTEM - A sealed and self-contained tankless water heater flushing system including a holding basin, a cover lid for the holding basin firmly securable and sealed liquid tight to the holding basin, a submersible pump contained within the holding basin, a submersible pump hose, securable from the submersible pump within the holding basin to a discharge opening in the cover of the holding basin, a filter system, securable within the holding basin to a filter opening contained in the cover lid, wherein the filter system includes a filter for filtering solid substances from the tankless water heater during a flushing process, a discharge hose for connecting the discharge opening to the water heater, and a filter hose for connecting the filter opening to the water heater. | 05-17-2012 |
20140102382 | CONTROL OF BLOWDOWN IN STEAM BOILERS - Blowdown of a pressurised steam boiler heated by a burner | 04-17-2014 |
20160076760 | METHOD FOR GENERATING STEAM FROM RAW WATER, IN PARTICULAR FROM BLOW DOWN WATER COMING FROM A STEAM GENERATOR - The method includes: (A) directing a feed water in the liquid phase of an instant expansion tank; (B) in the instant expansion tank, heating the feed water by mixing with the recycled stream from step (E); (C) compressing again at a high pressure the liquid fraction in the instant expansion tank and sending the liquid fraction to the inlet of a heat exchanger or group of heat exchangers connected in series; (D) heating the non-expanded fraction in the heat exchanger(s) while maintaining the non-expanded fraction in the liquid state; (E) recycling the stream from step (D) in the instant expansion tank; (F) in the instant expansion tank, expanding the fraction from step (E) and generating by instant expansion a stream of the searched steam containing the mineral materials of the feed water remaining in solution; and (G) separating the solid particles formed as a blowdown containing water and the particles. | 03-17-2016 |
122390000 | Fluid jet | 21 |
20090044765 | DEVICE WITH FLUID DISTRIBUTOR AND MEASURED VALUE RECORDING AND METHOD FOR OPERATION OF A BOILER WITH A THROUGHFLOW OF FLUE GAS - Certain techniques involve the use of a device including a fluid distributor which has at least one flow duct with an inlet opening and an outlet opening. The inlet opening can be connected to a supply line for a fluid. Means for moving the fluid distributor are provided. Additionally, means are provided for recording an environmental parameter through the outlet opening. | 02-19-2009 |
20100199929 | Steam generator thermal venting - The present invention provides a method of removing sludge deposits from steam generator/boiler tube support plates (TSP) using a combination of thermal stress and intermittent pressure pulses wherein the steam generator/boiler is drained to a water level just above a TSP identified as having excessive sludge deposits and/or particularly nonporous sludge known as collars and both thermal stress and high impact pressure pulses are used to dislodge the sludge and/or the collars with the process being repeated for all such TSP and the residue then flushed out by draining or using water lancing methods. | 08-12-2010 |
20100212608 | 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 interior volume of the heat exchanger. The lance tube includes an articulating wrist coupled to a nozzle for projecting the cleaning medium in multi-directions onto the heated surfaces when the lance tube is advanced into the heat exchanger. The nozzle is pivotable about the longitudinal axis and about a second axis transverse to the longitudinal axis. | 08-26-2010 |
20100212609 | SYSTEMS AND METHODS FOR CONTROLLING THE OPERATION OF SOOTBLOWERS - Examples described herein include methods and systems for operating a sootblower for removing deposits from heat transfer surfaces of a boiler. A temperature change of a boiler fluid at one location on its flow path may be calculated during no more than substantially one stroke of the sootblower. The sootblower may then be operating using a frequency of use or a steam output selected based, at least in part, on the calculated temperature change. The temperature change of the boiler fluid during all or a portion of the sootblower stroke may be used as a relative measure of a deposition rate in the vicinity of the sootblower. | 08-26-2010 |
20100275857 | DEVICE FOR CLEANING A BOILER OF A COMBUSTOR, AND METHOD FOR THE OPERATION THEREOF | 11-04-2010 |
20110061611 | SOOTBLOWER ISOLATION WALL BOX - A sootblower isolation wall box provided for sealing the wall box opening of a large scale boiler to provide sootblower lance tube access to the boiler. The wall box assembly includes a clamping seal assembly having radial sealing segments which are individually actuated. Applying fluid pressure to actuating cylinders causes the seal segments to be clamped against the outer circumference of the sootblower lance tube. During cleaning cycles, the segments are actuated to provide a radial clearance with the lance tube. Preferably, the clamping seal assembly is used in connection with another seal assembly which is relied upon to provide sealing during the cleaning steps. In a preferred embodiment, the additional seal assembly is in the form of a labyrinth-type seal assembly. | 03-17-2011 |
20110067651 | DUAL TYPE LANCING DEVICE OF SECONDARY SIDE OF STEAM GENERATOR - Provided is a lancing device in which two guide rails and washing robots are installed in both directions of a hand hole, and each washing robot removes precipitates from the center of a steam generator, and therefore precipitates do not flow backwards, thereby completely removing precipitates. | 03-24-2011 |
20110079186 | MINATURE SLUDGE LANCE APPARATUS - A miniature sludge lance for a steam generator in a pressurized water nuclear reactor is provided. The sludge lance is structured to enter the steam generator via an inspection opening and has a body sufficiently thin to fit between adjacent tubes. The sludge lance rail has at least two types of nozzle assemblies that may be attached thereto. One nozzle assembly rotates and another nozzle assembly translates in a vertical direction. A drive assembly, a mounting assembly, an oscillation assembly, and flow straighteners are also provided. | 04-07-2011 |
20110132282 | SYSTEM AND METHOD FOR INJECTING COMPOUND INTO UTILITY FURNACE - This disclosure may relate generally to systems, devices, and methods for a injecting a solid compound in line with a pressurized fluid, typically through a sootblower, to be delivered to targeted areas on the inside of a utility furnace. | 06-09-2011 |
20110180021 | MINIATURE SLUDGE LANCE APPARATUS - A miniature sludge lance for a steam generator in a pressurized water nuclear reactor is provided. The sludge lance is structured to enter the steam generator via an inspection opening and has a body sufficiently thin to fit between adjacent tubes. The sludge lance rail has at least two types of nozzle assemblies that may be attached thereto. One nozzle assembly rotates and another nozzle assembly translates in a vertical direction. A drive assembly, a mounting assembly, an oscillation assembly, and flow straighteners are also provided. | 07-28-2011 |
20110180022 | MINATURE SLUDGE LANCE APPARATUS - A miniature sludge lance for a steam generator in a pressurized water nuclear reactor is provided. The sludge lance is structured to enter the steam generator via an inspection opening and has a body sufficiently thin to fit between adjacent tubes. The sludge lance rail has at least two types of nozzle assemblies that may be attached thereto. One nozzle assembly rotates and another nozzle assembly translates in a vertical direction. A drive assembly, a mounting assembly, an oscillation assembly, and flow straighteners are also provided. | 07-28-2011 |
20110185988 | MINATURE SLUDGE LANCE APPARATUS - A miniature sludge lance for a steam generator in a pressurized water nuclear reactor is provided. The sludge lance is structured to enter the steam generator via an inspection opening and has a body sufficiently thin to fit between adjacent tubes. The sludge lance rail has at least two types of nozzle assemblies that may be attached thereto. One nozzle assembly rotates and another nozzle assembly translates in a vertical direction. A drive assembly, a mounting assembly, an oscillation assembly, and flow straighteners are also provided. | 08-04-2011 |
20110185989 | MINATURE SLUDGE LANCE APPARATUS - A miniature sludge lance for a steam generator in a pressurized water nuclear reactor is provided. The sludge lance is structured to enter the steam generator via an inspection opening and has a body sufficiently thin to fit between adjacent tubes. The sludge lance rail has at least two types of nozzle assemblies that may be attached thereto. One nozzle assembly rotates and another nozzle assembly translates in a vertical direction. A drive assembly, a mounting assembly, an oscillation assembly, and flow straighteners are also provided. | 08-04-2011 |
20120186540 | TEMPERATURE SENSING SOOTBLOWER - A temperature sensing sootblower that may be configured as a modification to an existing sootblower or a specially constructed sootblower that, in addition to its normal soot blowing functions, has the capability to measure the flue gas, lance tube, and/or cleaning fluid temperatures. One or more thermocouples or other temperature measuring devices are carried by the sootblower lance tube that is inserted into the boiler. This allows for the temperature of the flue gas, lance tube, and cleaning fluid to be measured as the sootblower lance tube is inserted into and retracted from the boiler. Multiple temperature measuring devices may be located on the sootblower lance to measure the temperature across heat transfer surfaces and at different locations along the lance tube. A data transfer device transmits the temperature measurements from the rotating thermocouple to a non-rotating data acquisition unit for use in boiler cleaning and other operations. | 07-26-2012 |
20120247405 | SYSTEM AND METHOD FOR INJECTING COMPOUND INTO UTILITY FURNACE - This disclosure may relate generally to systems, devices, and methods for a injecting a solid compound in line with a pressurized fluid, through a sootblower burner or other utility furnace hardware, such that the compound can be delivered to targeted areas on the inside of a utility furnace. | 10-04-2012 |
20130312672 | CLEANING DEVICE FOR A COMBUSTION BOILER - A cleaning device for a combustion boiler, comprising a high-temperature-resistant cleaning hose for feeding a cleaning medium into the combustion boiler, a hose reel which can be rotated about a first axis of rotation, wherein the cleaning hose can be wound at least partially in said reel, and wherein the hose reel comprises an opening through which the cleaning hose can be guided during winding or unwinding parallel to the first axis of rotation. | 11-28-2013 |
20130312673 | Temperature Sensing Sootblower - A temperature sensing sootblower that may be configured as a modification to an existing sootblower or a specially constructed sootblower that, in addition to its normal soot blowing functions, has the capability to measure the flue gas, lance tube, and/or cleaning fluid temperatures. One or more thermocouples or other temperature measuring devices are carried by the soot blower lance tube that is inserted into the boiler. This allows for the temperature of the flue gas, lance tube, and cleaning fluid to be measured as the sootblower lance tube is inserted into and retracted from the boiler. Multiple temperature measuring devices may be located on the sootblower lance to measure the temperature across heat transfer surfaces and at different locations along the lance tube. A data transfer device transmits the temperature measurements from the rotating thermocouple to a non-rotating data acquisition unit for use in boiler cleaning and other operations. | 11-28-2013 |
20140026827 | SYSTEM AND METHOD FOR REMOVING SLAG INSIDE A UTILITY FURNACE - This disclosure may relate generally to systems, devices, and methods for injecting a solid compound in line with a pressurized fluid, typically through a soot blower, to be delivered to targeted areas on the inside of a utility furnace. | 01-30-2014 |
20150345878 | CONDENSATE REMOVAL SOOTBLOWER NOZZLE - A nozzle block for a sootblower of the type for cleaning internal heat transfer surfaces of large scale coal fired combustion systems. For cleaning the internal surfaces, a cleaning medium is often used in the form of steam. Due to the cyclical operations and the process of condensation, condensate slugs of water can form in the sootblower fluid flow components. If these slugs are ejected against clean surfaces, undesirable erosion can occur. Several embodiments of nozzle blocks are described each having one or more ejection ports at their distal ends configured to maximize the ejection of condensates while minimizing their cross-sectional area which would diminish nozzle fluidic efficiency. Additional features enhance the ability of the nozzle block to separate and disperse condensate from the slots. | 12-03-2015 |
122392000 | Water tube boiler | 2 |
20100199930 | SOOTBLOWER HAVING A NOZZLE WITH DEEP REACHING JETS AND EDGE CLEANING JETS - A sootblower having a nozzle that includes one or more deep reaching jets aligned with its respective platen bank to clean slag deposits inset from the leading edge of the platen bank. The nozzle also includes one or more edge cleaning jets substantially angled with respect to the platen bank for cleaning the leading edges of the platen bank. For most applications, the major axis of the sootblower is perpendicular to the major axis of its respective platen bank, resulting in a sootblower with a nozzle having angled and perpendicular jets, referred to as angled-perpendicular nozzles. The jet sizes are selected to balance the opposing components of force perpendicular to the sootblower to avoid the imposition of torque on the lance. | 08-12-2010 |
20140261247 | SOOTBLOWER HAVING A NOZZLE WITH DEEP REACHING JETS AND EDGE CLEANING JETS - A sootblower having a nozzle that includes one or more deep reaching jets aligned with its respective platen bank to clean slag deposits inset from the leading edge of the platen bank. The nozzle also includes one or more edge cleaning jets substantially angled with respect to the platen bank for cleaning the leading edges of the platen bank. For most applications, the major axis of the sootblower is perpendicular to the major axis of its respective platen bank, resulting in a sootblower with a nozzle having angled and perpendicular jets, referred to as angled-perpendicular nozzles. The jet sizes are selected to balance the opposing components of force perpendicular to the sootblower to avoid the imposition of torque on the lance. | 09-18-2014 |
122396000 | Systems | 4 |
20080271685 | Detonative cleaning apparatus - An apparatus is provided for cleaning a surface within a vessel. A vessel wall separates a vessel exterior from a vessel interior and has a wall aperture. The apparatus comprises an elongate conduit having an upstream first end and a downstream second end. The conduit is positioned to direct a shock wave from the second end into the vessel interior. A source of fuel and oxidizer is coupled to the conduit to deliver the fuel and oxidizer to the conduit. An initiator is positioned to initiate a combustion of the fuel and oxidizer. The conduit comprises a first portion and a second portion downstream of the first portion. The second portion is extensible and contractible relative to the first portion to selectively position the second end at a desired location within the vessel. The conduit downstream end comprises a centerbody positioned to direct the shock wave essentially axisymmetrically. | 11-06-2008 |
20090183694 | System and method for crevice cleaning in steam generators - A method is provided for cleaning crevices between a plurality of tubes and a plurality of tube support plates supporting the tubes in a steam generator. The steps include filling a secondary side of the steam generator with a solvent to a first level above a first tube support plate to be cleaned, draining the solvent to a second level lower than the first tube support plate, and refilling the secondary side of the steam generator with the solvent to a third level above the first tube support plate. A cleaning system is also provided. | 07-23-2009 |
20110226194 | Bottom Ash Dewatering System Using a Remote Submerged Scraper Conveyor - Remote submerged scraper conveyor (SSC) consists of a conventional SSC modified to include a slurry processing system, which allows it to be located remotely from associated boilers at or slightly above grade level rather than directly under a boiler like a conventional SSC. The slurry processing system includes a pair of overflow troughs | 09-22-2011 |
20130192541 | METHOD AND DEVICE FOR CONTROLLING THE TEMPERATURE OF STEAM IN A BOILER - A method and a corresponding device for controlling the temperature of steam in a boiler of a steam generator are provided. The gradual accumulation of dirt on heat exchanger surfaces inside the boiler is incrementally regulated by soot blowers. The targeted influencing of the heat transfer on the heat exchanger surfaces enables the steam temperatures to be controlled and regulated. | 08-01-2013 |