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Patent Searching and Data


Matches 401 - 450 out of 6,870

Document Document Title
WO/2008/107072A1
The invention relates to a method for removing deposits containing magnetite and copper from a container, particularly from a steam generator of a nuclear power plant, wherein - in a first step the container is treated using an alkaline ...  
WO/2007/127662A3
An apparatus is provided that includes a length of pipe (108) having a passageway for commuricating a liquid under pressure therethrough, and at least one nozzle (104) in communication with the passageway. The at least one nozzle (104) i...  
WO/2008/024323A3
A high solvent power (HSP) crude oil is added to a blend of incompatible oils to proactively address the potential for fouling heat exchange equipment. The HSP component dissolves asphaltene precipitates before coking affects heat exchan...  
WO2008057039A9
This invention relates to a method of rebuilding a sootblowing system of a recovery furnace, said sootblowing system including a plurality of sootblowers (1), and each sootblower (1) including a frame (10), a moveable carriage (14) suppo...  
WO/2008/080262A1
A self-cleaning enhanced heat transfer device inside a tube comprises multiple rotary members (2) mounted inside a heat transfer tube (1). A fixing frame (3) is mounted at each end of the heat transfer tube (1). A supporting shaft (4) pa...  
WO/2008/082513A2
Vibrational energy generated with a pneumatic vibrator (22) is controlled to independently adjust the amplitude and the frequency. A mechanical resonator (14) is used to adjust the frequency. The controlled vibrational energy can be appl...  
WO/2008/071135A1
To provide a device (1) for combing fins of a heat exchanger register, comprising a handle (2), which extends in a longitudinal direction and is intended for holding the device (1), and a head part (4), which has a comb finger (3) and is...  
WO/2008/071852A1
An impact rapping device (10), comprising a stationary anvil (16) integrated with the surface to be rapped, said anvil having a hammering axis perpendicular to the sur- face to be rapped, a hammer (18), arranged to move coaxially with th...  
WO/2008/060004A1
A self-cleaning, shell and tube type heat exchanger using a solid particle-water supply system. The heat exchanger includes solid particle supplying means for storing and supplying solid particles to be used in cleaning the heat exchange...  
WO/2008/057039A1
This invention relates to a method of rebuilding a sootblowing system of a recovery furnace, said sootblowing system including a plurality of sootblowers (1), and each sootblower (1) including a frame (10), a moveable carriage (14) suppo...  
WO/2008/052839A1
A method for transmitting heat between waste water located in a tank or basin (2) and a fluid by means of a heat exchanger (46), through which the fluid flows and which has an outer surface (48) with which the waste water comes into cont...  
WO2008002423A8
A method for reducing the formation of deposits on the inner walls of a tubular heat exchanger through which a petroleum-based liquid is flowing comprises applying one of fluid pressure pulsations to the liquid flowing through the tubes ...  
WO/2008/003851A3
Method for the in-situ descaling of a heat exchange body (20) suspended in a wet cooling tower, characterized in that it consists in generating at least one blast of air using a generator (22) employing the controlled expansion through a...  
WO/2008/028844A1
The invention relates to a device (1) for cleaning a tank (2) using a cleaning fluid (3), having at least one cleaning device (4) comprising means for aligning a fluid distribution device (5) with interior regions of the tank (2), wherei...  
WO/2008/026462A1
A cooling water purification method and a system therefor in which maintenance/management cost is reduced as much as possible by eliminating the need for troublesome cleaning work where the electrode is removed from an electrolytic water...  
WO/2008/002423A3
A method for reducing the formation of deposits on the inner walls of a tubular heat exchanger through which a petroleum-based liquid is flowing comprises applying one of fluid pressure pulsations to the liquid flowing through the tubes ...  
WO/2008/002722A3
Disclosed herein are methods for removing and recovering metalloids from gasification systems. Also disclosed are methods for on-line removal of deposited entrained materials from a heat exchanger unit. A method is provided for on-line r...  
WO/2007/136698A3
A device is coupled to a heat exchanger for mitigating fouling by applying a mechanical force to a fixed heat exchanger to excite a vibration in the heat exchange surface and produce shear waves in the fluid adjacent the heat exchange su...  
WO/2008/023133A2
The invention relates to a method of cleaning a pipe (12) by action of a fluid under very high pressure. It is characterized in that: the fluid under very high pressure is caused to pass in a flexible tube (14); said tube is subjected to...  
WO/2001/011935A3
A novel method of removing metal-oxide sludge deposits from the secondary side of a pressurized water nuclear steam generator as the nuclear steam generator is brought off-line, at a temperature of about 100 °C to 177 °C (212 °F to 35...  
WO/2007/075634A3
This invention relates to the reduction of sulfidation or sulfidic corrosion and the reduction of depositional fouling in general and in particular the reduction of sulifidation/sulfidic corrosion and the reduction of depositional foulin...  
WO/2008/003851A2
Method for the in-situ descaling of a heat exchange body (20) suspended in a wet cooling tower, characterized in that it consists in generating at least one blast of air using a generator (22) employing the controlled expansion through a...  
WO/2008/002423A2
A method for reducing the formation of deposits on the inner walls of a tubular heat exchanger through which a petroleum-based liquid is flowing comprises applying one of fluid pressure pulsations to the liquid flowing through the tubes ...  
WO/2007/136698A2
A device is coupled to a heat exchanger for mitigating fouling by applying a mechanical force to a fixed heat exchanger to excite a vibration in the heat exchange surface and produce shear waves in the fluid adjacent the heat exchange su...  
WO/2007/135219A1
The present invention relates in general to the field of cooling installations given that it proposes an evaporative cooler incorporating improvements to the energy performance of the cooling system. Furthermore the present invention rel...  
WO/2006/039410A3
An apparatus for cleaning deposits from the interior surfaces of an industrial vessel, such as a kiln. The apparatus utilizes an air cannon manifold for selectively directing and venting a high volume of pressurized fluid to any one or m...  
WO/2007/131719A1
The invention relates to a method for controlling a water lance blower for cleaning the radiant-heating surfaces of a steam generator. According to said method, the dirt accumulation state of the heating surfaces is detected by determini...  
WO/2007/114568A1
The invention relates to a cleaning method, and in particular, to a vacuum cleaning apparatus and a vacuum cleaning method thereof. A vacuum cleaning method comprising (a) positioning a dust receiver joined to one end of a vacuum suction...  
WO2006105789B1
When, according to the invention, a scraper blade (11) is made for a heat exchanger by simple cutting of a piece of hard-rolled stainless band steel and the processing pipe (2) is simultaneously made of stainless steel, relatively limite...  
WO/2007/099240A1
Plate-type heat exchanger (1) comprising a plurality of stacked plates (2) and including a device (20) for evaluating the extent to which the fluid circuit or circuits have become coated with scale, characterized in that the evaluation d...  
WO2005098341A8
The invention relates to a method and a self-purifying filter unit, which can be build into heat exchangers such as plate heat exchangers. The self-cleaning effect is achieved by the use of tilted scraping elements, which scrape off the ...  
WO/2007/090568A1
Device (1), comprising a fluid distributor (2), which has at least one flow channel (3) with an inlet opening (4) and an outlet opening (5), wherein the inlet opening (4) is connected to a supply line (6) for a fluid, wherein means are p...  
WO/2007/075634A2
This invention relates to the reduction of sulfidation or sulfidic corrosion and the reduction of depositional fouling in general and in particular the reduction of sulifidation/sulfidic corrosion and the reduction of depositional foulin...  
WO/2006/020092A3
Apparatus and method for cleaning the inside of tubing are disclosed using a combination of minimal amounts of solvent and pneumatically propelled foam pellets .  
WO/2007/040407A1
A method for at least moderating growth of biological material in a heat exchanger installation (1) arranged to be able to circulate water through piping networks (C, D, E, M, SV) , valves (W, AV) and at least one evaporator (V1-V4) and ...  
WO/2007/028447A1
The invention relates to the boiler (1) of a combustion plant (2) comprising at least one heat exchanger device (3) which can be traversed by a medium (4) from an inlet (5) to an outlet (6) and is held in the interior (7) of the boiler (...  
WO2006130220A8
A method for the on-line cleaning of a heat exchanger used with petroleum process fluids which create coke deposits of asphaltenic origin on the exchanger tubes. The asphaltenes are removed by re-dissolution in a solvent oil of high solu...  
WO/2007/011300A1
The present invention relates to an arrangement and a method for recirculation of exhaust gases of a combustion engine (1). The arrangement comprises a valve device (V1, V2) arranged in the return line (9) upstream from the EGR cooler (1...  
WO/2007/011299A1
The present invention relates to an arrangement and a method for recirculation of exhaust gases of a combustion engine (1). The arrangement comprises a valve means (S2) arranged in the inlet line (6), a line (13) extending from the valve...  
WO/2007/006293A1
The invention relates to a method for cleaning the flues or similar of combustion systems, especially for cleaning the heat exchangers and membrane walls located in the flues of furnaces of power plants during operation of the furnace. M...  
WO2005070028A3
The present invention relates to compositions that are suitable for removing or reducing residue from a vapor compression air conditioning or refrigeration system consisting essentially of 1,1,1,2,2,3,4,5,5,5-decafluoropentane and polyol...  
WO/2006/130220A1
A method for the on-line cleaning of a heat exchanger used with petroleum process fluids which create coke deposits of asphaltenic origin on the exchanger tubes. The asphaltenes are removed by re-dissolution in a solvent oil of high solu...  
WO2005074562A3
An ice-making machine and method of maintaining and cleaning an ice-making machine are provided. The ice-making machine has predictive maintenance and cleaning. Operational conditions of the ice-making machine, such as, for example, wate...  
WO/2006/116945A1
An on-line automatic cleaning device for a condenser in a turbine generator and the cleaning method use the same, relate to the cleaning device used in operation of a condenser of a turbine generator. The device comprise a polar coordina...  
WO/2006/105789A1
When, according to the invention, a scraper blade (11) is made for a heat exchanger by simple cutting of a piece of hard-rolled stainless band steel and the processing pipe (2) is simultaneously made of stainless steel, relatively limite...  
WO/2006/088432A1
The present invention provides a device for cleaning tubes, in particular the internal surfaces of tubes in heat exchange systems. The device comprises a mass (2) with an optionally provided central aperture (10) disposed thereon, and op...  
WO/2006/085019A1
The invention concerns a device for extracting heat from gas, in particular combustion gas, containing dust and/or condensable substances to recover condensates, and comprising at least one heat exchanger (4) including a chamber (13) hav...  
WO/2006/053626A1
The invention relates to a cleaning method for removing deposits containing magnetite out of a pressure vessel of a power plant, during which the deposits are treated with an aqueous cleaning solution, which contains a reducing agent and...  
WO/2006/045047A1
An air conditioning system includes a condenser coil and a fan situated adjacent the condenser coil. The fan driven by a motor, which is reversed to change the rotational direction of the fan in response to a predetermined condition. The...  
WO/2006/041772A1
A method of lubricating a sootblower comprising use of an oil or grease that is thermally stable at temperatures of at least 160°C. Sootblower components which can be lubricated include lance support bearings, gears, chains, seals, and ...  

Matches 401 - 450 out of 6,870