然我国各城市较早的建立了排污系统,但管理也比较落后原始,每个泵站还由人工管理;随着城市的不断扩大,污水池不断相应增加,由于污水池零星分布在整个市区,若按原先管理模式,需要消耗大量资金,管理和控制也非常麻烦,效率极低下,完全不能适应现代城市发展的需要。为了提高管理工作的信息化水平,提高城市污水的处理能力,减少企业人员不断增加带来的沉重负担,提高企业效益,必须从原来的人工管理改造为计算机远程自动化管理,建立网络管理体系是一个必然趋势。
2系统设计思想
采用分级分布式计算机控制系统,对工艺过程进行集中管理、分散控制。其总体设计思想是:利用电信的虚拟专用网络VPN作为整个系统的通讯网络,做到不管有多少个泵站和多少个水池,距离有多远,所有的控制和看管工作均由PLC和计算机远程自动完成。并且实现了客户端之间的无关性,可实现多客户端操作,使客户端机器协调工作,提高整个排污系统的工作效率。节省大量资金,减少人员编制,提高管理,具有很极大的经济效益和社会效益。同时提供多级容错机制,保证系统能够安全顺畅地运行。
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厦门莫格电气自动化有限公司
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