摘要
透光率脉动絮凝检测是80年代后期出现的一种投药控制新技术。浊水中泥沙颗粒在絮凝前后大小和数量的变化,可引起水的透光率及相应输出电流信号的变化,从而反映出水的絮凝程度。试验研究表明,这种方法只需要测定絮凝水的相对透光率脉动值一个参数,便可实现投药控制,且操作简便,灵敏度高,可适应水中泥沙浓度急剧变化的情况,能有效地进行高浊度水的投药控制。
Flocculation control by fluctuation of transmitted light intensity is a new technique developed in the late 1980s.The differences of sand number and size in raw water before and after flocculation will lead to changes of transmitted light intensity and relevant electric current output,and reflecting the flocculation conditions of the outflow as a result.Experiments show that,this method can fulfill dosing control with only one parameter-the relative fluctuation of transmitted light intensity.With its adaptability to sudden changes of sand concentration,this technique can easily and precisely control the flocculation of high turbidity water.
出处
《给水排水》
CSCD
1992年第6期4-8,2,共6页
Water & Wastewater Engineering
