Pulsation burner for the combustion of solid fuels, and method for the operation thereof

A technology of burner and pulse method, which is applied in the direction of burner, combustion method, burner and other directions of burning powder fuel, which can solve the problems of undisclosed generation and environmental requirements, and achieve enhanced heat transfer, improved heat transfer conditions, and improved combustion Effect of Intensity and Flame Amount

Active Publication Date: 2016-10-12
KARLSRUHER INST FUR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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  • Pulsation burner for the combustion of solid fuels, and method for the operation thereof
  • Pulsation burner for the combustion of solid fuels, and method for the operation thereof
  • Pulsation burner for the combustion of solid fuels, and method for the operation thereof

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Embodiment Construction

[0031] figure 1 It is a schematic side view of a solid burner 1 which is arranged on the mouth opening 2 of the combustion chamber 3 which is only partially shown and has a lining wall 4. The solid burner 1 has three spray guns 5, 6, 7 which are arranged coaxially in such a way that one surrounds the other and are mutually supported by spacers 8, 9 and by means of the spray guns The gas flow and fuel are introduced into the combustion chamber 3 via the nozzle opening 2, and the gas flow and fuel are burned after being ignited by means of an unshown ignition device (for example, an ignition burner that ensures continuous combustion operation). In the exemplary embodiment shown, the primary air 11 and the fluidized therein, for example, comes from the riser 26 ( figure 2 ) Solid fuel 10 (shown by arrow 14) by means of a radially external spray gun 5 (as indicated by arrow 12) to achieve primary air supply Thus, the fuel 10 is introduced at the mouth opening 2 in the form of an ...

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Abstract

The invention relates to a solids burner (1) for a combustion chamber (3) for the combustion of pulverised solid fuels (11), and to a method for the operation thereof, having a primary air feed device and a fuel feed device for producing an air/fuel mixture composed of primary air (11) and fuel (10), and having at least one lance (5) which transports the air/fuel mixture to a mouth opening (2). To enable the solids burner (1) to be operated with low nitrogen oxide emissions, there is provided upstream of the mouth opening (2) a control device (23) which adjusts a content of fuel (10) contained in the air/fuel mixture in pulsating fashion over time.

Description

Technical field [0001] The invention relates to a solid burner for burning solid pulverized fuel and a combustion chamber, and to a method for operating the solid burner, which has a primary air supply device and a fuel supply device , Used to produce an air / fuel mixture formed by primary air and fuel, the solid burner also has at least one spray gun for delivering the air / fuel mixture to the mouth opening. Background technique [0002] Patent application EP 005 438 A1 discloses a device and method for igniting pulverized coal supplied to the combustion zone in a carrier gas stream and a device and method for maintaining the combustion operation of pulverized coal. In order to improve ignition and maintenance of combustion, it has been proposed to supply a mixture of oxygen and coal that changes within a preset range to the combustion zone. It does not disclose the production of environmentally acceptable mixtures. [0003] Austrian Patent Document No. 243167 discloses a device f...

Claims

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Application Information

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IPC IPC(8): F23K3/02F23N5/00
CPCF23D1/02F23C99/003F23C2205/10F23C2205/20F23K3/02F23K2203/201F23N5/00
Inventor T·索伊弗特H·赖斯A·舍尔曼H-J·格尔曼H·塞弗特
Owner KARLSRUHER INST FUR TECH
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