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JP11044426 |
To reduce the emission of nitrogen oxide by providing a tip of a center body of an injector including a cylindrical wall and having no hole and a cooled air passage 16 feed the cooled air to the cylindrical wall. A dual fuel pre-mixing i...
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JP10267541 |
To prevent a stationarily disposed state of scrap in a front area of a side burner and hence to prevent erosion of a burner cooling box or the side burner due to flame reflection by providing a rebounding part for the scrap at an upside ...
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JP10205758 |
To provide a dual-fuel injection device for a low NOx type cumbustor. In the device, gas fuel manifolds and liquid fuel manifolds, which are provided separately, are connected integrally to one another to form manifold assemblies 32, 35....
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JP10205757 |
To provide a high soundness which can be easily maintained and repaired. The double fuel nozzle 70 has an independent atomizing air cylinder 74 and a liquid fuel tube 76. The cylinder 74 includes an outer wall 96 having an inlet end 100 ...
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JP10205756 |
To increase the operating life in case that a tangential air inlet fuel nozzle is employed for a gas turbine engine. A tangential air inlet fuel nozzle 10 has a combustor inlet port 20, which allows air and fuel to flow into a combustor....
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JP10196952 |
To displace a flame moved to a mixing region of a fuel nozzle by reducing a trend of stabilizing a burning flame in the nozzle. Air inlet slots 36, 38 are formed between superposed ends of two offset cylindrical arc-like scroll members 2...
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JP10196958 |
To obtain a method for operating an tangential inlet fuel nozzle at a lean fuel/air ratio in which low NOx and low CO can be achieved without causing unstability of combustion. First part of combustion air is introduced to the mixing sec...
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JP10196954 |
To reduce an acoustic effect for guiding excess combustor pressure change in a gas turbine engine. Fuel-air mixture is burnt in a combustor at a downstream of an outlet surface 124 of a fuel nozzle 10. Recirculating regions 200, 300 gene...
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JP10196953 |
To increase an operating life when a tangential inlet fuel nozzle is used for a gas turbine engine. A tangential inlet fuel nozzle 10 has a combustor inlet port 20 for allowing discharge of the air and fuel into a combustor. This port 20...
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JP10196957 |
To prolong the operational lifetime when a central body for tangential inlet fuel nozzle is employed in a gas turbine engine. The radially outward surface 42 of a central body 10 for tangential inlet fuel nozzle comprises a truncated con...
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JP10196955 |
To reduce the trend that a flame is stabilized in the tangential inlet nozzle of a gas turbine engine. Fuel and the air are mixed in the mixing section 28 of a fuel nozzle 10 to produce a fuel/air mixture which is isolated from combustio...
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JP10196956 |
To prolong the operational lifetime when a central body for tangential inlet fuel nozzle is employed in a gas turbine engine. The central body 10 for tangential inlet fuel nozzle comprises a base section 12, a radially outward surface 42...
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JP10185194 |
To provide a burner device which can accurately and inexpensively block the infiltration of a high temperature gas or a high temperature oil into a fuel path where no burner lance is in use from a burner. To prevent the infiltration of a...
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JP10160101 |
To provide stable boiler characteristics without use of a burner tilt apparatus by employing an upper stage side burner nozzle when coal has a low fuel ratio while enpolying a lower stage side burner nozzle when coal has a high fuel rati...
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JP10160164 |
To provide a gas turbine combustor and its operation method capable of ensuring satisfactory low NOx even for high temperature of combustion gas following high output of the gas turbine by performing premixing by reducing diffusion combu...
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JP10148334 |
To provide a device which effectively mixes liquids, and for which the emission of carbon and a nitrogen oxide, is reduced. A double fuel injector 12 includes a device to jet a liquid pilot fuel to a gas turbine engine. The injector 12 i...
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JP10110912 |
To enable recirculating zone to act at a plane region of a cross section jumping part by a method wherein a mixing pipe to which recirculation is carried out by a swirling flow is connected at a downstream side of an indoor section, its ...
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JP10103616 |
To further reduce the generation of NOX increase efficiency, reduce size, and make selection of kind of fuel unnecessary. At least two annular heat transmission parts 4 and 5 are arranged in a multiple manner and a combustion device 7 to...
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JP10103620 |
To strengthen the flame stability without lowering the working effect of the burner and suit the flame to the geometric shape specified for the combustion chamber by forming the front side of the burner at the terminating part of a mixin...
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JP10068511 |
To reduce the NOx emission by a method wherein partially-cone- shaped bodies are overlapped with each other and the overlap angle is increased in the flow direction of a burner to increase distance between a fuel injector and an air infl...
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JP10061916 |
To additionally stabilize a flame without raising the amount of emission of harmful substances not so much by disposing a plurality of holes in a burner sickle-shaped plate, and using these holes for supplying a gaseous fuel to an outsid...
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JP10030807 |
To prevent a fuel flow passage from being blocked and black smoke from being generated and prevent the generation of reignition or the like by stopping only the supply of liquid fuel when combustion comes to a halt and then stopping the ...
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JP10019257 |
To effectually reduce the amount of a nitrogen oxide in waste gas from a gas turbine engine by disposing an actuation apparatus capable of operatably moving to a plurality of predetermined positions between an open position and a close p...
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JP10009525 |
To prevent a change of the area of a primary air port even if an external force is accidentally exerted on a setting part of a primary air limiting plate in a product distribution stage by providing a rotation stopping means for preventi...
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JP10009515 |
To provide a burner capable of completely mixing various kinds of fuels, and capable of effecting sure operation and achieving optimum positioning of the flame at the desired position. A plurality of mixture elements 300 are arranged con...
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JP09296915 |
To provide a burner diffuser of long life by lowering a combustion gas in temperature and reducing a corrosive component concentration to decrease corrosiveness. This burner diffuser formed by a conical body, which diverges forward from ...
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JP2715840 |
PURPOSE: To prevent a non-used burner from being burn lost during a single-fuel combustion by a method wherein the same kind of single fuel is simultaneously supplied to a different kind of fuel combustion burner not used during a single...
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JP09287713 |
To burn every kind of low-calorific gas difficult of self-sustained combustion by a single combustion apparatus. A heavy oil burner gun H is disposed at the central part of a combustion apparatus, gas spokes 3, each having an ejection po...
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JP09280516 |
To provide a mechanism part including a fuel injection nozzle in a low temperature part and improve its thermal durability by forming the premix area fuel and combustion air between an end part on the side where a flame is formed and the...
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JP2693101 |
PURPOSE: To minimize the formation of NO2 while improving productivity by performing oxy-fuel combustion of an oxy-fuel mixture from nitrogen and keeping a concentrated fuel condition. CONSTITUTION: An oxy-fuel flame or combustion is pro...
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JP09222205 |
To provide a fuel infection device in which a full amount of fuel can be charged and combustion efficiency can be improved. A fuel infection device for a combustion device for liquid fuel has a conduit 31 for an air flow. A conduit 56 fo...
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JP09189405 |
To prevent a distortion from being produced along a bonding plane between a partial shell and a fuel transfer pipeline attributable to different thermal expansions by allowing the fuel transfer pipeline which is bonded with a fuel nozzle...
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JP09189406 |
To reduce discharge of NOx and CO by modifying a conical burner for gaseous and liquid fuel. Partial conical bodies 1 and 2 have a single diffuser 27 common to the ends situated downstream therefrom. The partial conical body has a transf...
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JP09189407 |
To reduce the generation of NOx while low combustible fuel and high combustible fuel are both stabilized. A burner comprises a low combustible fuel injection part So to inject low combustible fuel in such a manner that a plurality of low...
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JP09184606 |
To achieve optimum flame positioning ensuring secure operation by improving a burner of the type composed of a spiral flow formation apparatus for a combustion air stream and a means for injection of a fuel into the combustion air stream...
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JP09184605 |
To stabilize a flame, improve a combustion efficiency and reduce the exhaust of a toxic material by shifting upstream a fuel nozzle relative to a conical end part generated by the part member of a premix burner. A fuel nozzle 103 is retr...
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JP09178120 |
To reduce harmful wastes while stabilizing a counterflow zone by arranging a lance-like feeder and at least one fuel nozzle extending symmetrically along the center axis of the feeder while being located at the downstream side end part o...
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JP09178113 |
To restrict flame and pressure pulsation exceeding an allowable pressure range by wrapping flame by a gas envelope flow faster than the flow velocity of flame in an external area in the direction of the flame propagates within a furnace ...
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JP09178123 |
To optimize requisite conditions of flow by arranging a perforated plate attached to an injector mechanism to extend parallel with an inflow plane into a supply path while an injector nozzle is provided in such a manner that the inflow a...
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JP09178126 |
To improve mixing characteristics and eliminate the risk of production of back fire over the entire operation. A premixing burner is adapted such that it includes an internal chamber 20 for stabilizing a turning flow, which chamber inclu...
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JP09178121 |
To raise efficiency to the utmost, restrict liberation of harmful matter to the utmost and stabilize a flame. A mixing interval 220 is arranged on the downstream side of a turning flow producer 100a, and the interval includes a transfer ...
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JP09170729 |
To make it possible to perform extremely low NOx emission by improving a premixing burner, to densely mix combustion air and fuel in an extremely short section by incorporating a simple geometrical shape and effective motion behavior in ...
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JP09145011 |
To ensure combustion in the same combustor and hence safely and securely achieve combustion under low NOx in a combustor in which 4 flow passages are formed for supplying a fuel to a nozzle, and blast furnace gas and natural gas are repl...
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JP09145028 |
To simplify the construction of a combination burner and to reduce operation costs. A combination burner includes a scattering means 1 for scattering liquid fuel L and an atomizing gas blowoff port 6 for blowing off atomizing gas X again...
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JP09145027 |
To improve mixing characteristics of gas fuel and atomized liquid fuel. There are provided an atomizing cylinder 2 for scattering liquid fuel fed into a cylinder from the end edge of the cylinder by centrifugal forces of the rotation of ...
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JP09119606 |
To improve a boiler efficiency, increase the safetiness of flue instruments and reduce the generating amount of NOx by a method wherein a blast furnace gas compartment is arranged between the thick mixture compartment of pulverized coal....
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JP09101009 |
To simplify the structure and facilitate the manufacture of a dual fuel nozzle employed for a gas turbine combustor by improving it, and prevent the generation of thermal stress by making even temperature in the nozzle. Conventional liqu...
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JP09042611 |
To reduce the production of NOx in the ignition stage of coal dust by a method wherein an average ratio, consisting of the rate of oxygen in primary gas and a necessary amount of oxygen for burning combustible volatile constituents, is r...
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JP09033015 |
To provide a method for accommodating changing of gas type in which a packing member essential for sealing operation in a combustion device is utilized as it is, and a changing of flowing resistance which becomes necessary when a gas typ...
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JP09021532 |
To ensure a simple and compact structure by connecting a main gas annular conduit with a main gas supply pipe line upstream and connecting a pilot gas annular conduit with a pilot gas supply pipe line upstream, and connecting the main ga...
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