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Research and Development of Automatic Control System for Molybdenum Powder Reduction Furnace

Author: YangTao
Tutor: QiuZongMing；LiLin
School: Xi'an University of Technology
Course: Measuring Technology and Instruments
Keywords: molybdenum powder reduction four even tubes in furnaces automatic control system S7-300PLC
CLC: TP273
Type: Master's thesis
Year: 2009
Downloads: 25
Quote: 0
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Abstract


Molybdenum powder reduction furnace are regarded as the major equipment of precious metal molybdenum powder to reduction production, similar equipments have also been widely applied in other countries, and part of it has been implemented to automated production. With the rapid development of the high-tech and the global economy, the growing demand for raw materials is getting larger and larger, the rare metals is greater, and precious metals molybdenum powder are in the considerable proportion with raw materials, the original way of manual operations of production and the artificial management is still being used in the current domestic, therefore it is necessary to design the automatic control system to satisfy with needs of the market. It was greater significance that the automatic control system was first researched and developed in the domestic.In accordance with the current situation, this article constructed a high-temperature molybdenum powder reduction furnace production automation control system according to the core of Programmable Logic Controller (PLC) control system and the assistance of PC supervising system. It is to analysis mostly production process of molybdenum powder reduction furnace in the text, manual and automated operation, as well as some the problems of automating process. Against the changes of furnace tube location and the task of the metal boat in and out, the text adopts the project which metal boat is delivered on platform of automatic walking mechanism and analyzes the design Notes about automatic walking mechanism. Against the door leaktightness, door security, and location changes, we design the integration of door and automatic tracking target acquisition of signal system to solve a series of door problem, design the project for the metal boat to carry out compaction fracturing and bottom layer bonded. For designing an automatic weighing and filling adaptive mechanism to solve the problem loading and weighing raw materials of Molybdenum powder. For all segments of the integer system to carry out design of modularized control, R & D based on the hierarchical and modularized structure, with good user’s interface, monitoring and management function PC system, design PLC control system software, to achieve automatic process of high temperature molybdenum powder reduction furnace production.Through theoretical analysis and practical verification, what the article designs automatic control systems of molybdenum powder reduction furnace production is significantly improves safety of the entire production process, reduces the labor intensity of workers, and ensures stability of product quality. The project realized operation integration of the metal boats automatic come out furnace, molybdenum powder collection, raw material loading, metal boats into the furnace, and monitor the management of office to the scene automatic control.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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