摘要
沼气工程的规模越来越大,而自动控制系统的优劣直接影响着沼气的产量和质量。为了减少人工操作和操作误差,使控制更加准确,提高控制系统的自动化程度,设计采用PLC和组态软件相结合开发了SCADA系统。利用西门子S7-200系列PLC对物料(主要猪粪和冲洗污水)从预处理单元一直到沼气产出阶段进行全程监控测量。当有报警或是故障产生时,通过SCADA系统及时通知操作人员,尽快排除故障,使沼气工程的运行更加平稳、高效,并且大大提高了产气量。
The scale of the biogas projects are bigger and bigger,and the automatic control system will directly affect the production and quality of biogas.In ordor to reduce manual operation and operation error,control system is make more accurate,and improvd control system of automation.This design adopts the PLC and configuration of software,develop the SCADA system.The materials are monitored and measured from pretreatment unit to the biogas output stage by the application of Siemens S7-200 PLC.When there is alarm or fault,SCADA system can notify the operator,then solved faults in time.Therefore biogas project runs more smoothly、efficiently and greatly increased production.
出处
《科学技术与工程》
2010年第29期7133-7137,共5页
Science Technology and Engineering
