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Fault diagnosis method for weight-loss fly ash carbon content on-line detection device

A fly ash carbon content and detection device technology, which is applied in the direction of removing certain components and weighing, etc., to achieve the effects of improving reliability and service life, ensuring continuity, and reducing maintenance

Active Publication Date: 2016-02-03
解海龙
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The present invention proposes a set of solutions to the specific faults and hidden dangers of the monitoring and detection device. This method will rely on the specially designed cantilever structure and the existing positioning sensor, weighing balance, etc. of the detection device and the comprehensive judgment logic of the present invention embedded in the control system. Accurate determination of faults and hidden dangers

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  • Fault diagnosis method for weight-loss fly ash carbon content on-line detection device

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the drawings and embodiments.

[0023] In this embodiment, the analytical balance of the original detection device weighing station 2, the control system 3, the actuators of each station (1, 4, 5, 6) and their positioning sensors or angle sensors are used. The control system uses an industrial programmable controller (PLC), the positioning sensor uses a Hall proximity switch, and the angle sensor uses a high-resolution encoder.

[0024] The specific implementation process is as follows:

[0025] 1. Monitoring and judgment of the collision fault between the cantilever and each station

[0026] Process a connecting piece of insulating material to insulate and connect the cantilever on the cantilever mechanism 5 with its base, and draw a wire from the cantilever; then draw another wire on the metal platform where the components of each station (1, 2, 4, 6) are fixed. One wire. Connect the two wires to the ...

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Abstract

The invention relates to a fault diagnosis method for a weight-loss fly ash carbon content on-line detection device. The fault diagnosis method is characterized by realizing accurate judgment of faults and potential hazards by virtue of a specially designed cantilever structure, a conventional locating sensor, a weighing balance and the like of the detection device and the synthetic judgment logics embedded into a control system. The fault diagnosis method can be applied to immediately discover faults and the potential hazards and start up corresponding handling procedures to avoid accidents and abnormal detection results, so that the reliability of the detection device is improved, the service life of the detection device is prolonged, the maintenance amount is reduced, and the detection continuity is guaranteed. The fault diagnosis method provides more reliable data support and regulation and control effect feedback for combustion control, effectively improves the regulation and control accuracy and powerfully guarantees economical running of a large-scale coal-fired boiler and emission of low-nitrogen and low-oxygen compounds.

Description

Technical field [0001] The invention relates to a fault diagnosis method for a device for online detection of carbon content in fly ash (hereinafter referred to as "detection device") by a weightlessness method. The application of this method can promptly discover the faults and hidden dangers that affect the normal operation of the detection device, and start the treatment program to avoid Accidents and abnormal detection results improve the reliability and service life of the equipment. Background technique [0002] The carbon content of fly ash is an important indicator reflecting the economic efficiency of large-scale coal-fired boilers, and it is also an indispensable basis for optimizing combustion and controlling low nitrogen oxide emissions. Existing detection devices have high failure rate, large maintenance volume, and unstable sampling volume are common problems at present, which directly affect the continuity and correctness of detection, and cannot meet the needs of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/04
Inventor 王金铭解海龙
Owner 解海龙
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