mso-font-kerning:0pt">针对城市污水处理厂二级出水水质水量波动的问题，建立优化的絮凝剂自动投加控制系统，从而保障出水稳定达标，同时降低运行成本。该系统的核心是药剂加药量与水质水量的响应关系，已通过前期实验得到该响应关系式，通过该系统可以有效控制加药量，节约处理成本。 mso-font-kerning:0pt">

mso-font-kerning:0pt">根据絮凝原理，絮凝过程中所需药剂加药量可按下式计算： mso-font-kerning:0pt">

QPAC=K×Q×L×(P-0.5)a(S-10)b/(λ×N)

mso-font-kerning:0pt">式中：QPAC mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：计算的液态 mso-font-kerning:0pt">PAC "Times New Roman";mso-font-kerning:0pt">投药量（ mso-font-kerning:0pt">m3/h "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt">

K mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：修正系数（ mso-font-kerning:0pt">0.5~1.5 "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt">        Q mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：出水流量（ mso-font-kerning:0pt">m3/h "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt">

L mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：该范围内固体药耗（ mso-font-kerning:0pt">g/m3 "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt">     P mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：在线监测 mso-font-kerning:0pt">TP "Times New Roman";mso-font-kerning:0pt">浓度（ mso-font-kerning:0pt">mg/L "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt">

S mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：在线监测 mso-font-kerning:0pt">SS "Times New Roman";mso-font-kerning:0pt">浓度（ mso-font-kerning:0pt">mg/L "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt"> a mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：修正指数（ mso-font-kerning:0pt">0.8~1.2 "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt">

b mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：修正指数（ mso-font-kerning:0pt">0~0.2 "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt">              λ "Times New Roman";mso-font-kerning:0pt">：药液比重（在 mso-font-kerning:0pt">5% "Times New Roman";mso-font-kerning:0pt">内可为 mso-font-kerning:0pt">1 "Times New Roman";mso-font-kerning:0pt">）； mso-font-kerning:0pt">

N mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">：药液百分比（ mso-font-kerning:0pt">0~100% "Times New Roman";mso-font-kerning:0pt">）。 mso-font-kerning:0pt">

mso-font-kerning:0pt">昆山北区污水处理厂的微絮凝- mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">砂滤工艺加药关系式： mso-font-kerning:0pt">QPAC=1×Q×7.18× (P-0.5)0.992 "Times New Roman";mso-font-kerning:0pt">（ mso-font-kerning:0pt">S-10 "Times New Roman";mso-font-kerning:0pt">） mso-font-kerning:0pt">0.026/(1×10%)

mso-font-kerning:0pt">二、工艺流程：如图

mso-font-kerning:0pt">三、关键技术

mso-font-kerning:0pt">根据来水水质、水量的变化，及时调整微絮凝 mso-font-kerning:0pt">- "Times New Roman";mso-font-kerning:0pt">砂滤工艺的加药量，在去除污染物，保证污水处理效果的同时，减少药剂使用量，实现环境效益和经济效益。 mso-font-kerning:0pt">

mso-font-kerning:0pt">与同类技术相比，该技术的性能特点如下： mso-font-kerning:0pt">

mso-font-kerning:0pt">（1 mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">）建立了加药量随进水水质和水量的实时变化关系，在保证水质稳定的前提下，最大限度地降低了絮凝剂的投加量； mso-font-kerning:0pt">

mso-font-kerning:0pt">（2 mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">）加药系统采用电脑程序控制，保证了装置运行的稳定性； mso-font-kerning:0pt">

mso-font-kerning:0pt">（3 mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">）具有较为广泛的适用性，可在新建污水处理厂和已建污水处理厂工艺改造中应用，且基本勿需改动原有工艺结构； mso-font-kerning:0pt">

mso-font-kerning:0pt">（4 mso-hansi-font-family:"Times New Roman";mso-font-kerning:0pt">）出水水质受进水水质、水量的干扰小，提高了出水水质的稳定性，延长了滤池的反冲洗周期和滤料的使用寿命，提高了产水率，经济效益显著。 mso-font-kerning:0pt">