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Device and method for monitoring combustion in power stations on the basis of actual concentration distribution of substances

A concentration distribution, technology of power stations, applied in the direction of combustion methods, burners for burning powder fuel, burners, etc.

Active Publication Date: 2011-12-07
SIEMENS ENERGY GLOBAL GMBH CO & KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Only the average value of the spectral lines in the boiler room or combustion chamber can be measured by absorption spectroscopy or acoustic thermometry

Method used

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  • Device and method for monitoring combustion in power stations on the basis of actual concentration distribution of substances
  • Device and method for monitoring combustion in power stations on the basis of actual concentration distribution of substances
  • Device and method for monitoring combustion in power stations on the basis of actual concentration distribution of substances

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Embodiment Construction

[0018] exist figure 1 shows a combustion chamber 10 of a coal-fired power station, not further described, in which a coal fire is burned when the coal-fired power station is in operation. In this embodiment, there are coal fuel and auxiliary gas, flames 11 and exhaust gas in the combustion chamber 10 .

[0019] Two parallel and horizontal measuring planes 12 and 14 are arranged in the combustion chamber 10 , and a plurality of measuring instruments 16 are respectively arranged at a distance from each other at the periphery of the two measuring planes 12 and 14 . Two of these measuring devices 16 are respectively capable of measuring linearly in the associated measuring plane 12 or 14 , wherein the substance O can be measured by means of the measuring device 16 and the associated analyzing device 18 2 (oxygen) and CO (carbon monoxide) concentrations.

[0020] Furthermore, the temperature distribution in the associated measuring plane 12 or 14 is determined by means of the mea...

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Abstract

The invention relates to a method and a device for monitoring combustion in a power station, wherein the actual concentration distribution and / or temperature distribution of substances in said combustion chamber (10) are measured (28, 30) and based on the measured The type of the fuel is inferred (34) from the actual concentration and / or temperature distribution of the fuel, wherein the measured species concentration distribution and / or temperature distribution for the sample fuel is compared with the measured actual concentration distribution and / or temperature distribution.

Description

technical field [0001] The invention relates to a method for monitoring combustion in a combustion chamber of a power station, wherein the actual concentration distribution or temperature distribution of substances in the combustion chamber is measured. Furthermore, the invention relates to a device for monitoring combustion in a combustion chamber of a power station, which device has a device for measuring the actual concentration distribution or temperature distribution of substances in the combustion chamber. Background technique [0002] The basic objective in power stations is to monitor the combustion taking place in the combustion chamber of a power station over the largest possible area, for example in a boiler with a square base of 10 x 10 m, in order to be able to deduce from this the parameters for optimizing the combustion process. required parameters. [0003] Therefore, absorption spectroscopy is known as a method. As an alternative measuring technique, sonic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D1/00F23N5/00F23N5/02
CPCF23N5/022F23N5/02F23N5/003F23D2201/00F23D1/00
Inventor 伯恩哈德.米尔贝克雷纳.斯佩
Owner SIEMENS ENERGY GLOBAL GMBH CO & KG