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JPH09170729A |
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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JPH09145027A |
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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JPH09145028A |
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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JP2608320B2 |
In the premix combustion of liquid fuel in a burner without premixing section, there is formed in the interior (14) of the burner a conical liquid fuel column (5) which widens in the direction of flow and which is surrounded by a rotatin...
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JP2534502Y2 |
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JP2587576B2 |
PURPOSE: To provide a fuel nozzle assembly for a gas turbine which enables burning of either gaseous or liquid fuel or both simultaneously, along with steam injection. CONSTITUTION: A fuel nozzle assembly 11 has a nozzle body 14 which is...
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JP2587577B2 |
PURPOSE: To provide a fuel nozzle assembly in which gas fuel can be burnt, while injecting two kinds or more of fuel or steam and a nozzle cap can be replaced easily by another cap. CONSTITUTION: A nozzle base 3 of a fuel nozzle assembly...
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JPH0942611A |
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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JPH0921532A |
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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JPH08327031A |
PURPOSE: To stabilize a flame in a furnace by calculating the pressure differences between the pressure of a combining unit and the supply pressures of liquid fuel and an atomizing medium, and so regulating the flow rates of the fuel and...
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JPH08327027A |
PURPOSE: To perform a plurality of stages of thick combustions by providing first and second thin gas supply passages for supplying fuel gases to the thin burners of first and second burner blocks and providing a manual shut-off mechanis...
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JPH08303728A |
PURPOSE: To provide a multi-fuel fired boiler, equipped with a means for switching the supply of a liquid fuel into the supply of a gas fuel properly and a means for recovering a part of exhaust gas to reduce the generation of NOx. CONST...
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JPH08303734A |
PURPOSE: To stabilize combustion and burn unburnt char sufficiently, in a burner for combustion gas containing unburnt char. CONSTITUTION: In a burner for combustion gas containing unburnt char, a burner throat 13, expanded suddenly by a...
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JPH08285237A |
PURPOSE: To provide a thick and thin fuel combustion device, permitting the employment of the thick and thin fuel combustion device suitable for the gas of high Wobbe index for the device for the gas of low Wobbe index and, further, havi...
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JPH08261417A |
To reduce the emission of polluting components of liquid fuel or gaseous fuel by arranging a gasifying section extending to the burner front of a mixture burner under a nozzle and coupling the nozzle which feeds the liquid or gaseous fue...
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JPH08254315A |
To provide a fuel injection nozzle that reduces a harmful waste material in exhaust, and compensates for pressure vibration caused by combustion. A premix fuel injection nozzle 28 is equipped with a first mixing chamber 124 with specific...
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JPH08233213A |
PURPOSE: To provide a method and a device for controlling a fuel supply for a liquid, fuel burner in which a burner turn-down can be assured against a plurality of kinds of fuels of different heating calories and a plurality of kinds of ...
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JPH08226620A |
To reduce exhaust gas emission by feeding fuel through a passage via slits inside a fuel feeding conduit to an atomizing edge and improving the mixture of liquid fuel and combustion air, before ignition arranging distribution pins betwee...
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JPH08219445A |
To reduce NOx dispersion product by a method wherein a primary burner acting as a premixing burner is operated at a lower limitation in stable operation and then both cooling air and additional fuel are fed into a flue gas flow passing t...
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JPH08508089A |
Past fuel injection nozzles have attempted to provide a structure to reduce exhaust emissions, generally NOx using water injection. Such nozzles have failed to attain adequate reduction of exhaust emissions. The present fuel injector str...
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JP2526236B2 |
A combustion apparatus for low concentration NOx for burning gas, oil and coal along the same axis, provided with a means (4,5,6) for carrying pulverized coal by a primary air, a means (2,11,13) for feeding a gas fuel through a gas nozzl...
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JPH08210606A |
To enable a low pollution premixing double conical burner so as to have a high pressure atomizing nozzle with a simple structure for use in atomizing liquid fuel, an extremely high atomizing characteristic to be attained with the nozzle ...
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JPH08189611A |
To ensure flame stability, even in a transient load range by reducing the flow sectional area of an air inflow slit formed in the tangential direction with respect to the partial cone of a burner in the flowing direction. A premixing bur...
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JPH08166108A |
PURPOSE: To reduce the emission of harmful substances related especially to the emission of NOx even in the case of employing liquid fuel and gaseous fuel or further even in the case of mixing operation of both fuels. CONSTITUTION: Mixtu...
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JPH08145320A |
PURPOSE: To improve igniting property in a low load operation by a method wherein a pulverized coal supplying pipe, supplying the pulverized coal mixed with primary air into the inside of a burner outer-cylinder, is connected tangentiall...
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JPH0820060B2 |
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JPH0849816A |
To achieve a better atomization of a liquid fuel, eventually a better combustion thereof using a limited amount of air instead of a relatively large amount of air that will cause an adverse effect on the combustion in the gaseous fuel po...
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JPH0842824A |
To raise the lean stability limit of gas flame while enlarging the regulation range of a burner without impairing atomization of liquid fuel by controlling inflow rate of blast air into the inner burner space. During operation with gas f...
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JPH085643B2 |
PURPOSE:To improve the startability of a reformer by fitting a catalyst for ignition with a heater to the combustion part of a burner in which liq. fuel is burned so as to enable the firing of the liq. fuel at a lower temp. CONSTITUTION:...
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JPH085030A |
PURPOSE: To avoid contact of a flame with the end injection unit of an air passage and to prevent the overheating of the injection unit by forming a cooling air passage at the outer periphery of a burner combustion chamber, and providing...
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JPH08500178A |
Fuel injection nozzles used for reducing NOx in gas turbine engines have incorporated a variety of expensive and complicated techniques. For example, systems use schemes for introducing more air into the primary combustion zone, recircul...
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JPH07117222B2 |
A burner having feed ducts for homogeneous or heterogeneous reactants and a burner cooling chamber placed peripherally in the area of a burner head, the burner including, coolant feed and discharge ducts in communication with the burner ...
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JPH0749224Y2 |
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JPH0749221Y2 |
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JPH07293838A |
PURPOSE: To increase the endurance time of combustion of fuel per unit volume remarkably and burn it at a high temperature while reducing the generation of nitrogen oxide even when the fuel, having a low calorific value such as alcohol o...
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JPH07280223A |
PURPOSE: To provide a premixing burner applicable additionally to an existing premixing combustion chamber in which a uniform velocity distribution can be attained in a mixing zone simultaneously with intimate mixing of combustion air an...
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JPH07280224A |
PURPOSE: To provide a premixing burner applicable additionally to an existing premixing combustor in which a uniform velocity distribution can be attained in a mixing zone simultaneously with intimate mixing of combustion air and fuel in...
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JPH07280268A |
PURPOSE: To provide means for operating a combustor in the vicinity of flame extinguishing limit as lean as possible, i.e., in a range actually generating no NOx. CONSTITUTION: There is provided at least one jet injector 53 opening into ...
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JPH0791042B2 |
PURPOSE:To make a preheater unnecessary and to reduce the consumption of electric power and the cost of operation by forming a path for leading air for combustion in case surrounding a burner so that the combustion part is covered with t...
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JPH0781706B2 |
In a gas turbine dual fuel nozzle including a main nozzle body (1) with a support flange (2) having a liquid fuel and atomizing air nozzle structure (8) centrally extending therethrough with a fuel and atomizing air discharge structure (...
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JPH07208710A |
PURPOSE: To secure a stable mixed combustion and a reduced NOx emission with a limited degree of turbulence by supplying a fuel in a range of a Venturi section acting above the internal chamber of a premixing burner to let the stream of ...
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JPH07190372A |
PURPOSE: To provide a gas turbine combustor having a primary passage and a secondary passage for pre-mixing gaseous fuel in combustion air in which the pre-mixing of liquid fuel is carried out in at least one of these passages. CONSTITUT...
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JPH0747786B2 |
PURPOSE:To drastically improve oxygen efficiency and to reduce the developing ratio of flue cinder by making the specific constitution of a concentrate burner in a self-melting furnace for nonferrous metal sulfide using oxygen-enriched a...
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JPH0722207U |
[Purpose] Use an ignition torch to stabilize the combustion of the pulverized coal burner at low load. [Constitution] A pulverized coal burner device provided with a heavy oil burner 3 for heating, a pulverized coal burner 4, and an igni...
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JPH0735886B2 |
1. Burner for operation with gas (G) and/or oil (O), comprising a central pilot burner system (1, 2, 3, 5, 6) which can be operated with gas and/or oil as a diffusion burner or as a separate pre-mixing burner, wherein there may be the ad...
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JPH07103436A |
PURPOSE: To prevent a stress of a burner tip, to prolong the life of a burner and to prevent deposition of ashes on the face of the burner by cooling the burner tip by a liquid coolant passing through a porous tip cooling means. CONSTITU...
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JPH0733904B2 |
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JPH0733903B2 |
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JPH0777317A |
PURPOSE: To execute a safety operation by stabilizing combustion, by setting an induced draft fan inducing an exhaust gas of a combustion furnace, by thus preventing a backfire through regulating to a negative pressure an inside of the c...
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JPH0771728A |
PURPOSE: To facilitate ignition to waste plastics, so as to enable a stable combustion by arranging nozzles for spraying liquid on the outer periphery of a nozzle for injecting powder. CONSTITUTION: A gas burner is ignited by a spark of ...
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