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Coal slagging scorification trend fast monitoring instrument

A monitor and slagging technology, applied in the field of coal combustion, can solve the problems of poor measurement result accuracy, large workload, cumbersome steps, etc., and achieve the effect of convenient industrial installation and compact structure

Inactive Publication Date: 2007-06-06
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

The traditional chemical analysis method needs to first make coal ash sample and then titrate it with chemical solution or use spectrophotometry to measure the sample solution. This method has cumbersome steps, heavy workload, too slow speed, and many opportunities for human errors. As a result, the accuracy of the measurement results is poor, and it is not suitable for the on-line analysis of the slagging trend of the coal before it is put into the furnace; the atomic absorption spectrophotometry is combined with the traditional chemical method in operation to analyze the coal ash composition; the same ICP- The AES method and the X-fluorescence method need to make ash samples from coal, and then make samples from acid-dissolved ash samples for detection. These methods are time-consuming due to tedious manual chemical analysis such as sample preparation, and are not easy to use. It is suitable for the analysis of slagging trend of coal quality before it is put into the furnace

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings, but the present invention is not limited thereto.

[0022] As shown in Figures 1 and 2, the structural body of the monitor of the present invention is divided into three parts, one part is a sampling part, the second part is a detection part, and the third part is an analysis part. Wherein, the sampling part includes a sampling system 1 and a sample analysis pool 14, the detection part includes a trigger laser light source 2, a spectroscopic system 8, a detector 9, a pulse generator 10 and a time delay device 11, and the analysis part includes a data analysis module 13, and the data analysis The modules are implemented by software systems in the computer 12 . Among them, the first part and the second part are installed on site, and the third part can be installed in the control room, so that the operator can get real-time data without working in a harsh environ...

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Abstract

This invention disclosed a monitoring instrument for coal slag-bonding which contains sampling unit, checking unit and analyzing unit. The sampling unit consists of sampling system, sample analyzing pool; the checking unit consists of light source system, light splitting system, time sequence control system and a detector; the analyzing unit contains data analyzing module. It works efficiently and precisely. And also, it is easy to handle.

Description

technical field [0001] The invention relates to the technical field of laser diagnosis and measurement, more specifically, relates to a [0002] A rapid monitoring device for coal slagging tendency of equipment entering the furnace. Background technique [0003] For a long time, slagging in the furnace has been one of the main factors that endanger the safety and economic operation of coal-fired equipment. With the further increase of the capacity of coal-fired equipment, this problem becomes more prominent. Therefore, it is of great significance to accurately predict the slagging tendency of the furnace and take corresponding measures to prevent serious slagging and optimize operation. There are more than 30 methods for evaluating the potential slagging tendency of coal at home and abroad, which can be divided into the following categories: ①Evaluate according to the ash melting point temperature of coal; ②Evaluate according to the viscosity-temperature characteristics of...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/27G01N33/22
Inventor 陆继东卢志民谢承利刘彦李娉姚顺春
Owner SOUTH CHINA UNIV OF TECH
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