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Analysis and Execution of MES System in Chemical Plant

Author: HanChen
Tutor: WangLiMin;LianGongBao
School: East China University of Science and Technology
Course: Industry Technology and Engineering
Keywords: MES Information technology Chemical industry DCS ERP
CLC: TP29-A8
Type: Master's thesis
Year: 2011
Downloads: 53
Quote: 0
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Abstract


Along with social progress, the development of computer technology and network communication technology, automation of industrial enterprises and the level of information has also been a lot of development. As an important industrial sectors of the chemical industry, the development of information technology and automation level experienced from the presence or absence to have small-scale applications to large-scale information integration stage of development. Currently, the chemical industry workshop control layer DCS applications and senior ERP application has been quite extensive and the technology is relatively mature. With the development of information technology, more and more understanding between the ERP the planned layer and control layer of the workshop production DCS requires a transfer of information and communication, linking the two isolated systems. ERP plan layer need to keep abreast of the deviation of the actual production plan, shop floor control layer to keep abreast of the change of plans. So it was a MES system, Contact DCS system with the ERP system data, in the integration of information technology in the management of the entire production. From the function of MES MES production control layer of material consumption, machine hours, the amount of goods information, batch information is passed to the ERP system, ERP to update these data in a timely manner. And, ERP through the MES will plan, production orders sent to each workshop, the workshop production in accordance with the orders. According to the characteristics of the MES system, derived from the specific function and purpose. Such as: the operating plan, material tracking, production scheduling, quality management, device management, data analysis, production statistics, databases, etc., these features strengthen production management process management tools, to make it more scientific and effective. MES system functions in the process of implementation, combined with the actual plant, not all the features of the MES system can be applied well in any one factory. From the flying characteristics and needs of the chemical industry, the combination of the the MES system characteristics and the actual situation of the fly Chemical, elaborated on the implementation and application of the MES. Fly chemical MES system data from the SAP system and over 30 sets of different manufacturers DCS system and scene PLC, paperless recorder, etc. to achieve interoperability. And on this basis, the development and application of the alarm module flowchart module, quality management module, statistical reporting module, device management module, documentation management module, energy management module, environmental management module, quality systems, modules and workflow management module Each module is closely connected with the actual process of fly Chemical, has become an important component of the information management department. And based MES system function, fly Chemical established production scheduling center, production scheduling, command functions.

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