【摘要】 本文介绍了净水工艺中，用ＳＣＤ及浊度仪等自动化仪表组成的投药控制系统．对简单调节、串级调节、前馈反馈等控制系统作了较详细的分析和比较．更多还原

【Abstract】 Abstract An automatic chemical dosing system composed of on line instruments like SCD and turbidity meter for water purification is presented in this paper. Some operations such as simply regulation, serial regulation, feedforward and feedback controls are discussed and compared particularly.更多还原