1) vertical-flow sedimentation tank
立式沉淀池
2) baffled sedimentation tank
折流式沉淀池
1.
Based on k-ε two equation turbulent model, FLUENT, a large computer fluid mechanics software, was used to numerically simulate the flow pattern in baffled sedimentation tank with return ratio of zero and 75%, the serious short-circuiting current and bigger dead zone were observed.
利用k-ε两方程湍流模型,借助大型计算流体力学软件FLUENT,对回流比为零和75%情况下折流式沉淀池内流态进行了数值模拟,发现均存在严重的短流和较大的死区。
3) oblique-flow precipitating tank
斜流式沉淀池
1.
This paper analyses them and improves the utilizing conditions of the oblique-flow precipitating tank with lead-zinc smelting sewage treatment engineering.
斜流式沉淀池具有占地面积小、沉淀效率高的优点,但也存在排泥较困难、不耐冲击负荷等弱点,这制约了其在废水处理中的应用。
4) rectangular settling tanks
平流式沉淀池
1.
Numerical simulation for rectangular settling tanks;
平流式沉淀池数值模拟分析
2.
Due to its simple structures, convenient management, low operating costs and strong adaptabilities to the changeable water quality, the rectangular settling tanks are still widely used in kinds of water and wastewater treatment.
平流式沉淀池由于其构造简单,管理方便,运行费用低廉,适应水质变化能力强等优点,至今仍广泛应用于各类净水厂与污水处理厂中。
5) horizontal sedimentation tank
平流式沉淀池
1.
Back propagation(BP) neural network was adopted to fit the known horizontal sedimentation tank construction cost with the calculation surface area(S) and volume(V) of the tank as input data.
对目标沉淀池采用回归正交设计方法,以沉淀池的长宽比k、沉淀时间t、效率η为设计因子,编制组合设计表,结合BP网络模型建立平流式沉淀池的费用函数,以该费用函数最小作为优化模型的目标函数,以沉淀池的各水力要素作为约束条件,建立沉淀池的优化设计模型。
2.
The optimal designs of horizontal sedimentation tanks and plated upflow sedimentation tanks are made when sedimentation data is provided or not.
文中主要研究了平流式沉淀池、异向流斜板沉淀池的优化设计问题。
6) Rectangular sedimentation tank
平流式沉淀池
1.
A three-dimensional two-phase flow model was built to simulate the flow fields in rectangular sedimentation tanks.
建立了平流式沉淀池水流的三维两相流模型,在动量方程中考虑了相间界面力的作用,以及悬浮物体积分数和两相间密度差的影响;应用计算流体力学软件STAR-CD对模型进行求解。
2.
When rectangular sedimentation tank is used in secondary sedimentation, influent density current will be formed, because of concentration difference or temperature difference between influent an.
平流式沉淀池构造简单，造价较低，沉淀效果稳定，操作管理方便，对原水变化的适应性强，广泛应用于给水处理和城市污水处理的初沉池。
补充资料：立式沉淀池
分子式：
CAS号：
性质：又称立式沉淀池。其池体平面为圆形或方形。池上部为沉淀区，下部为污泥区，两区之间为缓冲区。水从中心管自上而下进入池内，出口处设伞形挡板，使水在池中均匀分布，水流沿沉淀区的整个断面上升，澄清后的水由池四周溢出。悬浮物沉降后进入池底锥形污泥斗，污泥借静水压由排泥管排出。竖流式沉淀池的优点是占地面积小、排泥容易，常用于较小水量的沉淀处理；缺点是深度大、施工困难，造价高。
CAS号：
性质：又称立式沉淀池。其池体平面为圆形或方形。池上部为沉淀区，下部为污泥区，两区之间为缓冲区。水从中心管自上而下进入池内，出口处设伞形挡板，使水在池中均匀分布，水流沿沉淀区的整个断面上升，澄清后的水由池四周溢出。悬浮物沉降后进入池底锥形污泥斗，污泥借静水压由排泥管排出。竖流式沉淀池的优点是占地面积小、排泥容易，常用于较小水量的沉淀处理；缺点是深度大、施工困难，造价高。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条