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《排水管网》复习参考题1.在进行城市排水系统设计时，雨水管道按流进行设计，合流管道按流进行设计。2.设计人口是指污水排水系统的人口数，是计算的基本依据。3.排水管渠设计规定最小流速和最大流速是为了。4.污水支管的布置形式一般有，，三种。5.每一设计管段的污水设计流量可能包括，和三种流量。6.污水管道最小设计流速为，雨水管道最小设计流速为。7.污水管道设计对，，和做了规定。8.暴雨强度i的单位是，q的单位是，它们之间的关系是。9.暴雨强度公式用数学形式表达，，和之间的关系。10.汇水面积上的平均径流系数应根据各类地面面积用法计算确定。11.污水出水口一般设在水位，雨水出水口一般设在水位。12.污水管道衔接方式通常采用和两种，雨水管道衔接方式通常采用。13.排水管道的接口，根据接口的弹性一般分为，和三种形式。14.目前常用的管道基础有三种：基础，枕基，基础。15.排水管道带形混凝土管座基础的几种形式的采用受的控制。16.排水管渠清通方法主要有和两种。17.试述污水量的总变化系数K总的意义及其与K日，K时的关系。18.为什么污水管道按不满流进行设计？19.何谓排水系统的控制点？它常出现在管道系统的什么位置？遇到特殊情况如何处理？20.绘图说明排水系统总平面布置的一般形式。21.绘图说明污水管道的埋设深度表示方式，最小覆土厚度应满足哪几方面的要求？22.溢流井用在什么排水体制？作用是什么？第一个溢流井上、下游管段设计流量如何确定？23.雨水管道水力计算对哪些设计数据做了规定？为什么？24.试写出我国通用的雨水暴雨强度计算公式并说明符号意义及单位。25.绘出截流式合流制排水系统示意图（注明各部分名称）。《排水工程》复习参考题一、填空：1.有机污染物排入河流后，经而大量消耗水中的，同时，空气中的不断溶入水中，河流的DO曲线呈状下垂，故称。2.城市污水处理工艺中，粗格栅一般设在，其作用主要是，常用间隙为mm；细格栅一般设在，其作用主要是，常用间隙为mm。3.根据的性质、浓度及絮凝性能，沉淀可分为，，和4种类型。4.Q/A=q式中，q的物理意义为，单位为，q与u相等，不同。5.活性污泥法的常用运行方式有：，，，和等。6.延时曝气活性污泥法的主要特点是：，，，。7.影响氧转移的主要因素有：，，，和等。8.衡量曝气设备性能的指标有，和。9.间歇式活性污泥法的主要反应器--曝气池的运行操作，是由，，，和等5个工序所组成。10.生物膜法在微生物相方面的主要特征是：，，，。11.高负荷生物滤池采用处理水回流的主要作用是：，，，。12.常用的稳定塘系统有：，，，和等。13.好氧塘中溶解氧白天夜间，pH值白天夜间。14.污水土地处理系统有：，，，和等五种。15.生物脱氮的过程包括和两个过程。16.在活性污泥法生物脱氮过程中，影响反硝化反应的主要环境因素有：，，，等。17.污泥中的水分根据其存在状态可分为，和。18.常用的污泥浓缩方法有：，，和。19.污泥脱水常用机械有：，，，。20.污泥厌氧消化过程由，和三个阶段组成。21.产甲烷阶段产生的能量绝大部分都用于，只有很少的能量用于，故产甲烷细菌的增殖缓慢。22.常用的污泥厌氧消化池的搅拌方式有：，，等三种。23.常用的有机污水厌氧处理工艺有：，，，，。24.污泥堆肥的基本原理是在的条件下，利用的作用，使污泥中的大量有机物而达到稳定。25.石灰稳定法的主要作用是解决污泥的问题并。26.根据生成难溶盐的不同，化学沉淀法可分为，和等。27.油在水中的状态有：，，，。二、名词解释：1、水体自净2、污泥指数3、污泥龄4、耗氧物质5、污泥含水率6、污泥投配率7、极限固体通量8、生物固体停留时间三、简答、计算题：1.推证水体自净过程中氧垂曲线的数学表达式，绘出曲线的坐标图形并作简要说明。2.简述水体富营养化的主要成因及其危害。3.结合斯笃克斯公式，简述影响水中颗粒重力分离的主要因素。4.在理想沉淀池分析中，Q/A的物理意义是什么？有什么实用意义？5.根据理想沉淀池的概念，推导Q/A=u0=q。6.试述活性污泥法微生物降解有机物的基本原理。7.一曝气池设计水量为30,000m3/d,进水BOD5=200mg/l,混合液浓度为2g/l,污泥负荷为0.25kgBOD5/kgMLSS.d,设BOD5去除率为90%,求曝气池容积。8.一完全混合曝气池的混合液浓度为2000mg/l，污泥沉降比为20%，求SVI，XR和R（r=1.2）。9.一完全混合曝气池的混合液含水率为99.8%，污泥沉降比为30%，求污泥指数SVI并判断污泥性能。10.已知普通曝气池入口处混合液浓度X＝3000mg/l，污泥回流比R=0.5，求回流污泥浓度XR=?mg/l。11.已知一完全混合曝气池混合液含水率为99.75%，污泥沉降比为30%，求污泥指数SVI、回流污泥浓度XR（设r=1.2）和回流比R。12.已知一普通曝气池混合液浓度MLSS为3000mg/l，污泥沉降比为30%，求污泥指数SVI、回流污泥浓度XR和回流比R。13.已知一普通曝气池混合液浓度MLSS为2500mg/l，取该混合液注入500毫升量筒中，经30分钟沉淀后污泥体积为150毫升，求污泥沉降比SV、污泥指数SVI、污泥含水率P和回流污泥浓度XR。14.推流式与完全混合式曝气池工况在污泥增长曲线上有什么不同？为什么？15.在低有机物浓度时，有机物降解动力学公式可表示为-dL/dt=K2XvL，试通过物料平衡，推导稳定态完全混合曝气池求解动力学常数K2的表达式，并简述图解方法。16.生物处理构筑物设计一般采用有机负荷法进行计算，试写出各种有机负荷的表达式并简述其使用条件？17.试述活性污泥法几种不同运行方式的基本原理和主要特征。18.简述吸附再生活性污泥法的基本原理和主要工艺特征。19.绘出吸附再生活性污泥法的工艺流程图，并简述吸附再生法与传统活性污泥法相比具有哪些优点。20.根据双膜理论，推导曝气过程中氧转移的基本公式。21.简述影响氧转移的主要因素和空气扩散装置的主要技术性能指标。22.绘图并简述生物膜降解有机物的工作原理。23.简述高负荷生物滤池的主要工艺特征并绘出一种典型的工艺流程图。24.绘出高负荷生物滤池的典型工艺流程图，并导出滤池进水浓度（La）的计算公式。25.简述生物脱氮的基本原理，绘出目前国内外常用的缺氧--好氧活性污泥法脱氮系统（A/O系统）的工艺流程图并作必要说明。26.绘出A2/O系统的基本工艺流程并简要说明其主要特点。27.含水率为98.5%的污泥经浓缩后污泥浓度增到45g/l，问浓缩后污泥体积为原体积的多少？28.含水率为99.4%的剩余污泥，经浓缩后污泥浓度增到24克/升，求浓缩后污泥体积为原体积的多少（污泥比重按1计）？29.将50吨含水率为99.2%的污泥和100吨含水率为98%的污泥经混合后浓缩至含水率为96%,求浓缩后污泥总重量？30.简述污泥厌氧消化的目的。31.绘出污泥厌氧消化机理的模式图，简述影响污泥厌氧消化的主要因素。32.简述两级厌氧消化工艺的基本原理和主要特点。33.简述升流式厌氧污泥床的主要工艺特征和颗粒污泥的形成机理。34.绘出典型的城市污水二级处理工艺流程图并简要说明各主要处理构筑物的作用。35.解释w=1,2(1-cos)式中各符号的意义，并根据此式分析物质的可浮性。36.绘出部分回流加压溶气气浮流程图并说明各部分的作用（加压泵，溶气罐，减压阀，气浮池）。《排水管网