| ERP (Enterprise Resource Planning) system is a information management system based on the theory and management method of supply chains, and has been well developed currently in foreign countries since many years. In China, ERP application is not satisfactory due to poor and nonstandard management basis, and inadaptability of the developed software with features of the enterprises, etc. However, ERP, as a advanced management system, tends to be applied in enterprises. More and more domestic chemical enterprises, including some chlor-alkali enterprises, have started using ERP to standardize and improve enterprise management.Currently, it is necessary for the domestic chemical enterprises to change from "Extensive Production and Extensive Management" to "Precise Fabrication and Precise Management" by utilizing ERP. Chlor-alkali production is a typical continuous operation. It is different with other industries and is characterized by precise planning on production and storing, and large-scale continuous production. Due to these characteristics, the operation schedule, management emphasis (such as planning and large-amount material management) and management method (such as cost analysis and performance rating) vary largely compared with other industries. Therefore, chlor-alkali enterprises has special demands of its own for its ERP design.This thesis focuses on Weifang Yaxing Chemical Co., Ltd., a typical chlor-alkali enterprise, and raises a ERP software system which suits the chemical industry in terms of adaptability, reliability, economical efficiency and extendibility, which services as a reliable network platform and safe environment.This thesis focuses on Weifang Yaxing Chemical Co., Ltd. and first raises a complete design plan, including overall schedule, system module function and the management goals. Secondly, the software frame of the ERP system is analyzed in terms of software development technology, system access level structure and client-end application program, and a practical, high-efficient and flexible "Intelligent Client-end Application Program Module" is put forward. Thirdly, hardware network and safety system design for EPR in Yaxing Chemical is stated. At last, platform scale subsystem (one of the most important part of the ERP system) is designed in detail in terms of function, module, data sheet, interface, etc. ERP system containing the above design theory and technology has been successfully implemented in Yaxing Chemical, and business process optimization and pre-approving in advance, control in progress and afterward supervising has been achieved. Particularly, the platform scale system for automobile weighing has been directly integrated in to ERP system, which facilitate real-time control for salt, coal, calcium carbide and other materials which directly relate to product quality of the chlor-alkali enterprises. Currently, the information flow, material distribution and capital flow of the company has been well organized and the operation efficiency has been largely increased. Yaxing Chemical, as a well-known public company, its successful ERP application serves as a good example to chlor-alkali industry and even the overall chemical industry.The next steps will focus on how to extend ERP performances, to improve the current functions, to integrate MES into ERP system (which is greatly concerned by the chlor-alkali enterprises), to establish a real-time analysis system for conducting production and to integrate OA, video and hazardous products transportation supervising into ERP for building of a overall conducting platform. |
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