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JP2004278537A |
To provide a technique for mounting a cover to a turbine nozzle 10 having an angel wing seal.A nozzle blade 16 has an inner band 20, and the inner band comprises a recessed region 24 for receiving a nozzle cover plate 22; and at least a ...
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JP2004530617A |
A method and system for feeding and burning pulverized fuel, such as petroleum coke, in a glass melting furnace, which includes a glass melting and a plurality of burners associated with a pair of sealed regenerative chambers disposed si...
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JP3569996B2 |
PURPOSE: To prevent the deterioration of gasifying rate of coke breeze by treating Zn.Pb material, in a burner for flash smelting. CONSTITUTION: A burner for flash smelting is constituted of an upper combustion cylinder 4, provided with ...
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JP3557437B2 |
A burner torch for pulverising a coal/water suspension with the aid of a gaseous pulverising medium consists of an inner pipe (1) which conducts the suspension, an outer pipe (2) and a nozzle body (10) which is connected to both pipes (1...
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JP3549847B2 |
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JP3547817B2 |
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JP2004205161A |
To reduce thermal NOx, fuel NOx and unburnt components by preventing tight deposition of melt ashes on a furnace wall or others.This solid fuel boiler comprises the furnace having a furnace wall provided with a plurality of solid fuel bu...
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JP2004183984A |
To provide a burner capable of realizing stable ignition and burning even when fine powder coal less containing volatile contents such as semi-anthracite is used.This fine powder coal firing burner 20 comprises a separator 3 separating f...
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JP3536214B2 |
PURPOSE: To improve melting efficiency by heating oxygen gas with exhaust combustion gas from a melting furnace in the melting of metallic material in the melting furnace using a specific purity oxygen gas. CONSTITUTION: At the time of m...
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JP3529458B2 |
PURPOSE: To allow a driving rod and a concentration adjusting ring of a pulverized-coal burner to operate smoothly by providing a four-joint rotation mechanism with parallel opposite sides between a rod of an air cylinder and the driving...
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JP3524682B2 |
To provide a combustion device using pulverized fuel which can promote an ignition of a pulverized fuel having a poor ignitability. With a cyclone separator 7, a pulverized fuel is separated into high concentration powder and low concent...
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JP2004510938A |
A burner nozzle assembly for the production of synthesis gas in a synthesis gas generation chamber has a cooling water jacket face that is protected from hot gas corrosion by an annular shield fabricated from a high melting point materia...
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JP2004108656A |
To efficiently utilize as much waste plastic as possible in a melting device for cold iron source represented by an arc furnace.A lance 1 has a multiple pipe structure composed of a powder supply pipe 3 provided at the center to supply w...
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JP2004100967A |
To provide a burner for combusting powder capable of favorably combusting combustible powder whose average particle diameter is comparatively large.The burner for combusting the powder has a multiple pipe structure, and is provided with ...
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JP2004093073A |
To provide a powder combustion device that can optimally burn even inflammable powder with relatively large average particle size, can be made using low refractory material with comparatively low heat-resistance, and can be easily downsi...
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JP2004077092A |
To provide a burner for powder combustion capable of favorably burning even waste plastics roughly crashed, available comparatively at low cost with none of defect such as nozzle clogging, etc.This burner for powder combustion has a mult...
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JP3495490B2 |
To stabilize combustion and prevent damage to a burner by a fire by forming a fuel distributor from a cyclone type distributor and providing a straightening block for straightening a fuel-air mixture near a throttling part of a first bur...
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JP2004037072A |
To provide a method of improving combustion of coal to reduce discharge of NOx without significantly increasing carbon contained in the un-burned ash, desirably, by utilizing characteristic of a coal concentration.Formation of NOx in com...
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JP2004036989A |
To provide an afterburning method for combustion ash and an afterburner device for efficiently processing the ash containing uncombusted portion in a fluidized bed combustion furnace.The ash containing uncombusted portion produced throug...
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JP3492099B2 |
To provide a burner for an entrained bed gasification apparatus enabling stable ignition near the fuel spouting port and keeping the good combustion state. A fuel such as coal or char is preliminarily mixed with a part of a gasification ...
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JP2004020053A |
To provide a pulverized coal burner wherein pulverized coal is prevented from accumulating on the upper surface of a burner inner cylinder in the vicinity of a pulverized coal introducing port without increasing the flow velocity of a pr...
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JP2004012104A |
To facilitate drawing of a cylindrical burner and stabilize circumferential balance of raw fuel by elliptically forming a cross sectional shape of a protecting tube or spherically forming a check valve or the like.The burner structure fo...
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JP3477102B2 |
To provide a combustion apparatus and method for a vanadium- containing fuel which enable efficient reproduction of vanadium and the generation of a high temperature gas by eliminating the infiltration of a slag into a feed nozzle. In th...
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JP2003343810A |
To provide an eccentricity detection method for an inner tube of a concentrate burner that quickly detects eccentricity of an inner tube of a concentrate burner causing a worse flash smelting furnace status and prompts a corresponding co...
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JP3468984B2 |
To provide a coal fired burner in which slagging due to ash in coal can be prevented, ignition and burning can be stabilized, and NOx can be decreased. An oil burner 5 is centrally disposed and a protection cylinder 7, coal nozzle 10, se...
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JP3469003B2 |
To form a stable flame by supplying air with the concentration of oxygen thereof exceeding that of atmospheric air to a pulverized coal mixed gas pertaining to a coal fired burner containing highly volatile components and high moisture a...
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JP3468976B2 |
To prevent a fine powdered coal/air flow from being disturbed owing to a movement rail for adjusting a fine powdered separator which is applied to a fine powdered coal burning boiler. A fine powdered coal separator 2 is disposed between ...
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JP3466743B2 |
PURPOSE: To prevent formation of a pulverized coal deposit layer due to sticking of pulverized coal by specifying an angle formed by a slide face and a rake face of a concentration control ring, an angle formed by the slide face and a di...
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JP3468890B2 |
PURPOSE: To remove cylindrical slag, adhered to the vicinity of tip end of a reductor burner, surely in a two-stage entrained-bed coal gasifying furnace. CONSTITUTION: A water-cooled hammer 19 is provided at the outside of a water- coole...
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JP3462593B2 |
PURPOSE: To provide a two-stage entrained bed coal gasifying furnace capable of preventing cylindrical slag from growing in a reductor burner for throwing pulverized coal for dry distillation in a reductor and stably carrying out gasific...
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JP2003232503A |
To reduce NOx and unburned components at a burner part, reduce the unburned components passing through the burner part, and achieve effective combustion of low-grade coal without large-scale modification such as increasing the size of a ...
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JP3433507B2 |
PURPOSE: To permit the visual confirmation of the throat unit of a furnace and permit the pouring of high-pressure water against the circumference of the throat by a method wherein a clinker removing device is formed so as to be capable ...
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JP3416152B2 |
A burner having lower emissions and lower unburned fuel losses by implementing a transition zone in a low NOx burner. The improved burner includes a pulverized fuel transport nozzle surrounded by the transition zone which shields the cen...
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JP3410475B2 |
The operating life of a fuel injector nozzle for a gasifier is prolonged by shielding the fuel injector nozzle with a preformed protective insulating sheath before the fuel injector nozzle is installed inside a preheated reaction chamber...
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JP3395943B2 |
To efficiently burn bulky solid fuel of synthetic resin material, etc., supplied from a tuyere part of a metallurgical furnace and further, to suitably burn the bulky solid fuel, too while burning powdery and granular solid fuel such as ...
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JP3388951B2 |
To facilitate the work of a furnace wall surface panel or a burner panel and contrive the simplification of a structure as well as the improvement of property of maintenance by a method wherein the shape of a burner nozzle or a burner th...
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JP2003510545A |
A method of operating a pulverized coal-firing furnace so as to achieve no more than a predetermined variation in the instantaneous vertical velocities of the flow exiting a combustion chamber of the furnace is provided. The method inclu...
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JP3381241B2 |
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JP2003506657A |
A method of operating a pulverized coal-firing furnace is provided which includes injecting air from an upper compartment generally in opposition to a swirling fireball. The method also provides the step of sensing a temperature characte...
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JP3377626B2 |
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JP3367784B2 |
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JP3366430B2 |
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JP3364013B2 |
PURPOSE: To continuously operate a furnace for a long time without generating the splash of slag and a solid-phase slag which results in closing of the furnace by mounting a plate-Be vortex breaker on the inner wall of the ceiling part a...
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JP2002371289A |
To provide a pulverized coal which may serve as a fuel alternative to petroleum, using wood charcoals and bamboo charcoals as raw materials. The pulverized coal is prepared by introducing coals into an iron mortar 2 and cracking these by...
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JP3354755B2 |
To perform stable combustion of fire retardant fine powder fuel by a method wherein a cyclone separator is arranged between a burner nozzle and a fine powder-form fuel feed pipe, separated high concentration fine powder is charged toward...
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JP2002340306A |
To provide a burner for combustion capable of burning solid fuel and stabilized in accordance with a boiler load of wide range, and to provide the combustion device equipped with the burner.A fuel density difference forming apparatus 201...
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JP3349337B2 |
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JP3349380B2 |
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JP3343855B2 |
To provide a pulverized coal combustion burner which minimizes the generation of NOx and unburned components left in combustion ash of pulverized coal and a combustion method of the pulverized coal combustion burner. This combustion burn...
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JP3344694B2 |
The pulverized coal burner suitable for lowering the concentration of nitrogen comprises a pulverized coal nozzle (10) for jetting a mixture of pulverized coal and primary air, a secondary air nozzle (11) and a tertiary air nozzle (12), ...
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