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JP3342237B2 |
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JP3338555B2 |
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JP3338599B2 |
To provide a combustion device which forms stable combustion flames only by the supply of pulverized coal or a pulverized coal combustion burner even under the condition which burns only nonflammable pulverized coal or under a low load c...
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JP3337345B2 |
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JP2002295807A |
To provide a plastic combustion burner for an arc furnace that as plastic, having an economic size of several mm to several tens of mm is used, heat obtained through combustion of plastic in an arc furnace can be utilized effectively for...
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JP2002533644A |
A method of operating a solid fuel-fired furnace having a plurality of windboxes each having a plurality of compartments through which fuel and air are introduced into the furnace and a fuel and air arrangement operated in accordance wit...
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JP2002286205A |
To provide a pulverized coal burner and its combustion method suitable for promoting firing pulverized coal in a fine powdered coal combustion burner using low oxygen concentration gas as carrying gas for fine powdered coal.The present i...
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JP2002267109A |
To provide a pulverized coal burner 3 capable of feeding air-fuel mixture of pulverized coal fuel having different fuel-air ratios, capable of suppressing an NOx generating amount, and air through one square nozzle 6.A density separator ...
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JP3322887B2 |
A fuel selected from powder fuels and liquid fuel is ejected through a fuel ejection means (26); primary air is ejected through primary air-ejecting means (24,28) arranged on outer and inner sides of the fuel ejection means, to form oute...
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JP2002249786A |
To reduce the amount of thermal expansion and prevent thermal deformation by miniaturizing the diameter of an outer cylinder and reducing the amount of heat received from the tip part of a burner, in the feedstock- jetting burner.A fine ...
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JP3310812B2 |
PURPOSE: To obtain a fusion combustion apparatus wherein pulverized coal is introduced in an axial direction from a central portion of a top end of a vertical casing and secondary air is tangentially introduced from a side wall and gasif...
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JP2002522640A |
Process and apparatus for producing liquid pig iron or primary steel products from iron-containing material in lump form in a fusion gasifier (1), in which, with lump coal and oxygen-containing gas being fed in, and with simultaneous for...
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JP3297209B2 |
PURPOSE: To reduce NOx and the unburnt combustibles in the emission and stabilize the ignition relating to a pulverized coal-firing burner in a power plant boiler. CONSTITUTION: A burner has an ejection hole 3 for secondary air for combu...
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JP3288807B2 |
PURPOSE: To realize an abrasion-free operation without closing the same by combusting and oxidizing pulverous fuel with two kinds of gases which are different in oxygen content from each other. CONSTITUTION: Two kinds of reaction gases I...
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JP2002161284A |
To provide a coal gasifier designed to easily and surely remove slag 11 even firmly adhered as a solid to the tip of a burner 3.This coal gasifier enables itself to be operated stably by the following practice: a fuel nozzle 6 is made pr...
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JP2002147967A |
To provide a method and a device for evenly heating micropowder of small particle diameter.A heating method comprises a process wherein micropowder to be heated conveyed by air and fuel gas are mixed together, a process wherein the admix...
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JP2002130613A |
To provide a combustion nozzle, in which melt-adhesion and deposition of resin can be adequately prevented in the tip end and the inside of the nozzle, irrespective of blowing conditions of combustible synthetic resins as fuel into a kil...
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JP2002115810A |
To realize combustion of low NOx and low fraction unburnt combustibles without the use of an external two step combustion system, and hence miniaturize a furnace.A central portion gas flow passage 17 for combustion gas is provided in a p...
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JP2002071130A |
To provide the method of discriminating the adhesion of clinker of a pulverized coal burning boiler which is capable of discriminating whether a burner throat is adhered with the clinker, preventing the burnout of a burner by suspending ...
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JP3258462B2 |
PURPOSE: To form a plurality of flat fire balls by which diffusion mixture of combustion gas in a furnace and air is sufficiently carried out through effective utilization of a furnace. CONSTITUTION: A plurality of burners 120 are arrang...
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JP3258668B2 |
A fluidized bed assembly, such as an ash cooler, includes first and second fluidized bed chambers each having a bottom portion and side walls. Fluidizing gas is introduced into the bottom portions to fluidize particulates within the cham...
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JP3257603B2 |
PURPOSE: To provide a pulverized coal burner capable of accommodating a low load operation of a coal fired boiler, showing a small size and having a simple structure. CONSTITUTION: A pulverized coal burner has a substantial cylindrical i...
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JP2002048306A |
To provide a multitubular burner usable as a burner for opposed firing system or corner firing system, and a combustion device having the burner, which prevents attachment of ash to a furnace wall around the burner by burning pulverized ...
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JP3255651B2 |
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JP2002039526A |
To stabilize combustion of a pulverized coal burner, even during low-load operation.When pulverized coal is burnt by blowing off tertiary air from the tertiary air register of the pulverized coal burner as the tertiary air is revolved, t...
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JP3253350B2 |
PURPOSE: To enable burning pulverized coal at a high pulverized coal concentration (C/A) even at the time of a low load. CONSTITUTION: A concentrating means 18 comprising an air-bleeding pipe 19 and an air flow-rate-regulating damper 20 ...
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JP3253343B2 |
PURPOSE: To improve the cooling effect of an air separator, prevent adhering of slags and widen the load varying range by a method wherein a valve for flowing a part of primary air out of a high temperature region at a burner part and in...
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JP2001355832A |
To provide an air port structure, having a simple structure and high in a mixing efficiency between the flow of air and the same of gas.A tubular sleeve 14 for dividing an air flow passage in an air port 3 is provided and a baffle 15 for...
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JP2001336707A |
To provide a pulverized coal firing burner which can easily remove combustion ash adhering to a burner structure from the structure and, accordingly, can suppress the formation of clinkers.In this pulverized coal firing burner provided w...
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JP2001330211A |
To provide a pulverized coal burner which utilizes a gas containing oxygen at a low concentration as a pulverized coal transporting gas and is suitable for the promotion of the ignition of coal, a pulverized coal boiler using the burner,...
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JP2001295019A |
To provide a method for repairing a thermal spray coating on the inside face of a nozzle by which the repair of the existing thermal spray coating formed on the inside face of the burner nozzle of a pulverized coal boiler can be performe...
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JP2001241610A |
To make compact a heat recovery equipment by reducing burnout time of pulverized coal.At least a pair of partial combustion furnaces 20A, 20B is mounted on a furnace wall 1a of a combustion furnace 1A, burner 3A, 3B are connected respect...
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JP2001241609A |
To make compact a heat recovery equipment by reducing burnout time of pulverized coal.A partial combustion furnace 20 is provided on a furnace wall 1a of a combustion furnace 1A orthogonally to the furnace. A burner 3A provided with a co...
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JP2001227703A |
To provide a blowing device of a burner for pulverized coal, in which pulverized coal is prevented from sticking in a form of a layer on the surface of the internal case of the burner, and a possibility for ignition of the pulverized coa...
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JP2001221430A |
To shorten the burn up time for pulverized coal and make a heat recovery device compact.A combustor comprises at least one pair of burners 3a, 3b disposed on a furnace wall 1a of a combustion furnace 1A, a pulverized coal supply pipe 14 ...
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JP2001201044A |
To miniaturize heat recovery equipment by reducing the burning out time of pulverized coal. A burner is formed by arranging at least a pair of heat exchangers 16 provided with thermal storage bodies 16b made of honeycomb ceramic on the f...
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JP2001153306A |
To pull out a burner so that a nozzle of the coal burner does not interfere with a drive shaft or a bearing of the drive shaft when the coal burner is pulled out backward of a wind box.The nozzle 7 of the burner 2 is fitted via a pair of...
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JP2001141208A |
To provide a means for preventing slag from adhering to a burner panel and growing even when the flow rate of auxiliary air is low. In order to eject auxiliary air obliquely upward along the installation plane of a burner panel 5, a burn...
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JP2001506312A |
The fuel injector nozzle for a gasifier includes a protective refractory sheath that is flush mounted at a downstream end proximate the nozzle outlet portion. The refractory insert is of annular form to surround the nozzle outlet. The an...
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JP3162716B2 |
PCT No. PCT/SE92/00665 Sec. 371 Date Mar. 17, 1994 Sec. 102(e) Date Mar. 17, 1994 PCT Filed Sep. 25, 1992 PCT Pub. No. WO93/06417 PCT Pub. Date Jan. 4, 1993.The nozzle contains a conduit for supply of paste fuel. A tapering end of the co...
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JP2001082705A |
To provide a pulverized coal fuel combustion burner to perform combustion of crushed coal through direct feed and to provide a boiler provided with the burner. This burner comprises a pulverized coal conveyance line 9; an ultra thick A/C...
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JP3142875B2 |
An improved burner for partial oxidation process gas generators is provided which has annular passages formed between coaxially aligned conduits extending from upstream sources to the downstream reaction zone. An outer coolant jacket, in...
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JP3143719B2 |
PURPOSE: To provide a fine powder coal combustion device not requiring any auxiliary combustion of oil capable of being applied to a large-scaled facility, continuing a stable combustion even at the starting of ignition and during a low ...
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JP2001059604A |
To ensure stability of combustion while suppressing generation of NOx even under light load of boiler by providing a core for injecting high density pulverized coal flow into a furnace while shifting pulverized coal to the outer circumfe...
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JP3140299B2 |
PURPOSE: To provide a pulverized coal burner in which NOx concentration at the time of a low load can be reduced. CONSTITUTION: A secondary air nozzle 103 and a tertiary air nozzle 104 are provided on the outer periphery of a fuel nozzle...
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JP3122189B2 |
A burner for the combustion of fine-grained to dusty solid fuels incorporates a central internal tube for supplying the solid fuels and an annular gap surrounding the internal tube and delimited by a cooled external tube, for supplying o...
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JP2000356309A |
To reduce NOx and unburnt carbon by keeping low-air-ratio combustion for a long time with the supply of primary air and secondary air.A device comprises a primary nozzle 2 for injecting mixed fluid 1 of pulverized coal and primary air fo...
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JP3099109B2 |
The pulverized coal burner is characterized by comprizing a venturi 4 for contracting flow of a mixture 62 of pulverized coal and primary air toward a central axis of a fuel nozzle 2; a spindle having a cone 10, provided coaxially with t...
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JP2000257811A |
To provide a pulverized coal method, reduced in the generating amount of NOx or unburnt constituents remaining in the combustion ash of the pulverized coal, without increasing the height of a furnace. Pulverized coal is burnt by a method...
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JP3080440B2 |
A combustion apparatus comprises a mixture feeding pipe (1) through which a mixture of pulverized coal and combustion air flows. The mixture is injected into a furnace (2) through the mixture feeding pipe and then ignited. A radial outwa...
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