底流

对模型分析后认为：除油效率主要受处理液含油浓度影响，其次受底流口压力与进口压力的比值pu／pi、雷诺准数的影响；

By an analysis of the models , it is indicated that , the deoiling efficiency is mainly influenced by the concentration of the oil in the sewage , and also influenced by the ratio of underflow pressure and inlet pressure Pu / Pi and the Reynolds criterion ;

（Ⅲ）Φ1.5m高压深锥浓密机对梅山尾矿的分流试验得出高压深锥浓密机具有较高的设备处理能力，高压浓密机加絮凝浓缩可获得较高的稳定的底流浓度。

The test results of a part of Meishan tailings by using the φ 1.5m high-pressure deep cone thickener show that the high-pressure deep cone thickener has high capacity . The stable underflow density may be obtained as the high-pressure thickener and the flocculating thickening process are used .

500A一遇校核洪水则出现底流，冲坑较深，应考虑采取工程措施以改善流态，降低单宽流量。

However , flood Of once five hundred years is with bed current , deep scoured pitches , and therefore , some engineering measures Should be adopted to improve fluid pattern and decrease discharge per unit width .

底流消能泄洪水流雾化影响之研究

Research on Influences of Flood Discharging Atomization Resulted from Underflow Dissipation

底流消能雾化的计算

The Computation of Atomization Flow for the Energy Dissipation by Hydraulic Jump

底流式消能工的研究与设计

The Research and Design of Energy Dissipator by Hydraulic Jump

选煤厂底流泵房自动化的设计

The Design that the Choose Coal Factory Bottom Flows the Pump House Automation

跌坎式底流消能工的消能机理分析与研究

Analysis and Research of Energy Dissipation for Falling-sill Bottom-flow

但底流粒度较粗，粒度组成均匀。

Its underflow particle size is coarse and particle size composition is even .

鱼塘水电站溢洪道底流消能设计

Design of Energy Dissipation by Hydraulic Jump for Spillway of Yutang Hydropower Station

提出了底流消能雾化流影响范围的计算方法。

The calculating method of the affected areas for atomization flow are proposed .

福生水电站采用底流式消力池消能。

The Fusheng hydropower station adopts the underflow stilling basin to dissipate the energy .

不同底流区域加喷冲洗水对圆柱形旋流器分级行为的影响

Effect of different water - injected underflow zones on classification performance of cylindrical Hydrocyclone

三产品旋流器底流口的改造

Reform on the bottom mouth of three-product revolver

南极底流是影响多金属结核形成的关键因素。

Antarctic bottom current is the main influence aspects to the formation of polymetallic nodules .

本文提出重力拱坝底流消能消力池体型设计的原理和方法。

A method of hydraulic design of stilling basins for gravity arch dams is suggested .

影响旋流器分离性能的操作参数主要是进口流量和分流比。流量和分流比与进口压力、底流口压力和溢流口压力间存在函数关系。

The main operating parameters influencing the separating effect are inlet flow and split ratio .

高水头大单宽流量底流消能技术研究成果综述

Summary on research results of underflow energy dissipation technology with high head and large unit-width discharge

推导出了淹没底流流态下跌坎型消能工的控制方程。

The governing equation of step-down energy dissipater is deduced under submerged bottom flow pattern . 4 .

底流直圆管长度适当增大，可以使旋流器脱水过程各项分离指标得到改善；

All the separation performance indexes can be improved by increasing the length of the bottom cylindrical pipe .

底流口采用背压装置时，有利于提高溢流产率降低灰分。原煤重产物含量大时能得到较好的分选效果。

The better separating effectiveness is received while the dense product content of the raw coal is high .

底流中固体颗粒的粒径明显大于进水和出水中固体颗粒粒径。

The size of the particle in the underflow is much larger than that in the inflow and overflow .

跌坎型底流消能工的跌坎深度直接影响消力池内的水力学指标。

The depth of falling-sill of falling-sill bottom-flow dissipation directly affects the hydraulic index of the energy dissipation pool .

随着底流管直径的增加，分离粒度减小，分级效果明显下降，回收率会增加。

With the diameter of underset pipe increasing , the separation granularity of hydrocyclone decreasing and recovery ratio increasing .

砂质碎屑流和底流改造&部分传统浊积岩成因新解

Sandy debris flow and bottom current reworking : a new interpretation of the formation of a part of traditional turbidite

大洋锰结核（壳）中南极底流活动的矿物学与地球化学记录

Mineralogical and Geochemical Features of the AABW Activity Recorded in Manganese Nodules ( Crusts ) from the Central Pacific Seamounts

沉积作用分析表明，主要存在碎屑流、浊流等重力流作用，并识别出底流作用。

Sedimentation mechanism of the deposits in the Pingxiang basin includes debris flow , turbidity current , and bottom current .

结果表明，它可以在稳定底流浓度和操作的情况下，显著提高分级效率。

The results indicate that the hydrocyclone can improve greatly its classification efficiency under steady underflow density and operation conditions .

由于环境要求严格，常规的底流消能消力池无法达到工程要求。

In view of strictly environmental requirements conventional stilling basin for flow dissipation is not able to meet the project requirement .

本文叙述了一种底流浓度可达70%以上的高效浓密机及其应用。

A high rate thickener which can produce underflow containing 70 % solid and its application was described in this article .