CAJ | 학술논문

以一套生物砂滤试验装置的PLC控制系统为例,论述了PLC控制系统在生物砂滤池污水处理中的设计思路、功能特点及控制系统的结构(软、硬件的组成).该系统主要由加药控制、曝气控制及反冲洗控制3个子系统组成,并由PC和PLC有机地耦合在一起,以实现自控、监控和数据处理的功能,可以提高该工艺对污染物质的去除率及提高出水的稳定性,降低了运行能耗并节省人力.该控制系统可用于小型试验也可用于工业现场进行实际控制.
이일투생물사려시험장치적PLC공제계통위례,논술료PLC공제계통재생물사려지오수처리중적설계사로、공능특점급공제계통적결구(연、경건적조성).해계통주요유가약공제、폭기공제급반충세공제3개자계통조성,병유PC화PLC유궤지우합재일기,이실현자공、감공화수거처리적공능,가이제고해공예대오염물질적거제솔급제고출수적은정성,강저료운행능모병절성인력.해공제계통가용우소형시험야가용우공업현장진행실제공제.
Taking a experimental the system in reclaimed water as an example.Discusses the ways of the design the Biological Sand Filter,the function characteristics and the system structure of the control systems who is based on the PLC.The system is mainly composed of three subsystems:Dosing control、aeration control and flush control,and achieving control,monitoring and data processing function by the PC and PLC organically coupled together,for the title of improving the technology and water removal contaminants and reducing the energy consumption and manpower. the system is not only used in the experiment but also used to control the Industrial Manufacture.