首页>
外国专利>
CONTROL SYSTEM AND METHOD OF AUTOMATIC CONTROL OF COOLING WATER TOWER SYSTEMS
CONTROL SYSTEM AND METHOD OF AUTOMATIC CONTROL OF COOLING WATER TOWER SYSTEMS
展开▼
机译:冷却水塔系统自动控制的控制系统和方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
There is disclosed a control system and method of controlling the cycling of water in a cooling tower system having a course of make-up water of variable conductivity. …??The control system apparatus includes respective probes (24, 26) for sensing tower water conductivity and make-up water conductivity. The probes provide signals to a controller unit (22). Desired cooling system water conductivity parameters are input into the controller unit (22). The controller unit (22) serves to proportionally adjust the trip point at which dumping of the cooling tower water occurs based upon the sensed water conductivities and the input parameters to maintain a predetermined Langelier's number(s). Means may be provided to display system conditions and to effect calibrations of the system. …??The method entails establishing an indexing factor based upon the cooling water parameters and the desired Langelier's number(s) and using that indexing factor for adjusting the trip point.
展开▼