本文選題：磨機負(fù)荷 + 專家控制��； 參考：《華北理工大學(xué)》2015年碩士論文

【摘要】：球磨機是選礦廠的主要設(shè)備,并且磨礦工序在整個選礦過程中具有重要的地位,磨礦過程控制水平與控制效果的好壞直接影響磨礦產(chǎn)品的質(zhì)量及礦廠的經(jīng)濟(jì)效益。磨機負(fù)荷是磨礦過程的重要參數(shù),能否使磨機在最佳磨機負(fù)荷狀態(tài)下工作,直接影響到磨礦的效率、效果及礦廠的經(jīng)濟(jì)效益。而礦石的耐磨性、粒度和磨機襯板磨損程度等參數(shù)極易發(fā)生變化,造成磨機負(fù)荷的最佳工作點不斷漂移,磨機負(fù)荷很難達(dá)到良好的自動控制效果。課題簡述了當(dāng)前國內(nèi)外磨礦過程控制技術(shù)的研究水平及現(xiàn)狀,借鑒專家經(jīng)驗對磨礦過程歷史數(shù)據(jù)進(jìn)行分析和計算,給出不同料球比下磨機負(fù)荷與處理量之間的關(guān)系。開發(fā)了OPC客戶端,以WINCC作為OPC的服務(wù)器,實現(xiàn)了OPC客戶端與WINCC之間的數(shù)據(jù)傳輸,并將數(shù)據(jù)保存在數(shù)據(jù)庫SQL 2005中。結(jié)合動態(tài)尋優(yōu)算法和模糊控制理論對磨機負(fù)荷進(jìn)行控制,用Visual C++語言為開發(fā)工具設(shè)計并實現(xiàn)了磨機負(fù)荷專家控制系統(tǒng),構(gòu)建專家控制的內(nèi)容框架,實現(xiàn)了磨機負(fù)荷的自動尋優(yōu)控制。課題的目標(biāo)是通過對磨機運行特性和磨機負(fù)荷的分析,研究并提出基于專家控制的磨機負(fù)荷優(yōu)化控制算法,使系統(tǒng)能夠在參數(shù)不斷變化的磨礦過程中自動、快速的達(dá)到最佳負(fù)荷狀態(tài),在保證產(chǎn)品質(zhì)量的前提下,提高磨礦過程生產(chǎn)效率,增加礦廠經(jīng)濟(jì)效益。
[Abstract]:Ball mill is the main equipment in the concentrator and the grinding process plays an important role in the whole process. The control level and control effect of the grinding process directly affect the quality of grinding products and the economic benefits of the mill. Mill load is an important parameter in the grinding process. Whether the mill can work under the optimal load condition will directly affect the grinding efficiency, effect and economic benefit of the mill. However, the wear resistance of ore, particle size and wear degree of mill liner are easy to change, which causes the best working point of mill load to drift constantly, and it is difficult to achieve a good automatic control effect of mill load. This paper briefly introduces the research level and present situation of grinding process control technology at home and abroad, analyzes and calculates the historical data of grinding process by referring to the experience of experts, and gives the relationship between mill load and processing capacity under different material / ball ratio. The OPC client is developed and WINCC is used as the OPC server. The data transfer between OPC client and WINCC is realized, and the data is saved in the database SQL 2005. Combined with dynamic optimization algorithm and fuzzy control theory to control mill load, the expert control system of mill load is designed and implemented with Visual C language, and the content frame of expert control is constructed. The automatic optimization control of mill load is realized. The goal of the project is to study and put forward an optimized control algorithm of mill load based on expert control by analyzing the mill operation characteristics and mill load, so that the system can automatically control the grinding process with changing parameters. Under the premise of ensuring the product quality, the production efficiency of grinding process is improved and the economic benefit of ore plant is increased.
【學(xué)位授予單位】：華北理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TD453;TP273
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本文編號：1841930