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Coal Transfer Control System and Research of Coal Measuring Method of Thermal Plant

Author: LiXuFang
Tutor: XiAiMin
School: Xi'an University of Architecture and Technology
Course: Control Theory and Control Engineering
Keywords: Coal handling system Blending Monitor Measure Two-stage Data pre- acquisition
CLC: TM621
Type: Master's thesis
Year: 2005
Downloads: 360
Quote: 4
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Abstract


Automation of thermal power plants is a very important component part of the thermal power plant is an important guarantee for large - scale thermal power units achieved good economic benefits . Among them, the coal handling system can not or missing an important part of the thermal power plant automation , reasonable transportation of coal-fired power generation process to ensure thermal power plants can be full of energy conversion , so as to maximize the energy-saving purpose . In this paper, Guangdong Baolihua power Ltd. Meixian charge Tree Park Power Plant 2 × 135MW unit works coal-fired power plants coal control system design and development , discusses the coal handling system design and control configuration software - based computer monitoring system design . Process and control functions of the Coal Handling System requirements , the design of the control scheme , a detailed discussion of the two coal handling system control - coal Control methods and blending control mode . The control procedures of the system are the preparation of Schneider 's Concept 2.5 programming software . The upper monitor screen software development using Wonderware 's Intouch software , monitor screen each subsystem monitor screen , the trend screen , alarm screen and auxiliary screen , and the screens and functions are described in detail . Second, measured in terms of the amount of coal for the coal handling system as well as shortcomings in the blending operation and energy waste , new coal-fired online measurement method - a two - stage data pre- collection online measurement . To estimate in advance the coal consumption is based on the algorithm for coal handling and blending process coal in the system coal handling process , respectively, are measured , especially in using the pre- acquisition the electronic belt instantaneous flow Blending data to establish the stack table , a coal bunker can achieve sub-positions are measured accurately . Finally, MATLAB simulation of the algorithm . The four coal bunker Emulator , and gives the results and analysis , and the measurement results and the total amount of the satisfactory results .

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CLC: > Industrial Technology > Electrotechnical > Power generation, power plants > Power plant > Thermal power plants, thermal power stations
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