导流筒

在所有几何因素中，搅拌桨径d和导流筒内径D（ti）对传热膜系数影响最大。

The heat transfer film coefficients were greatly influenced , among all geometrical parameters , by the agitator diameter ( d ) and the inside diameter of draft tube ( Dti ) .

带导流筒的下喷环流反应器的模拟及研究

Study and Simulation on Reverse Jet Loop Reactor with Draft Tube

工业应用表明，采用“螺旋桨+导流筒”型式的搅拌后，能明显改善CHP分解反应器的温度分布。

It showed using stirrer with propeller and diversion tube can obviously improve the temperature distribution of CHP decomposition reactor .

提出具有导流筒、W型槽底和螺旋搅拌桨固液悬浮搅拌槽的放大，以及槽内流体速度分布的数学模型。

Scale up of stirred-tank with a draft-tube and a W shaped bottom , agitated with a pro-peller impeller for suspending solids in liquid ( DWT ) was studied and a mathematical mod-el of the velocity distribution of fluid in DWT was presented .

在直径0.8m的导流筒搅拌槽内，对单相液体的三维速度分布、固-液两相的固体颗粒浓度分布和离底悬浮特性进行了系统的实验研究。

The three-dimension velocity distribution of single liquid phase , solid concentration distribution and particle off-bottom suspension characteristics in the liquidsolid phases were systemically investigated in a draft-tube stirred tank of 0.8 m diameter .

利用计算流体力学软件FLUENT-5，对带导流筒搅拌槽内的流场进行了数值模拟。

The commercial code of CFD ( Computational Fluid Dynamics ), FLUENT-5 , has been used to numerically simulate the flow field in the draft-tube agitated tank .

本文利用激光多普勒测速技术，在直径为0.5m的搅拌槽中，详细的研究了导流筒对搅拌槽内流场的影响，并分析了导流筒-搅拌槽体系内结构参数变化对流场的影响情况。

In this paper , the effect of draft-tube on flow field was studied in detail by using laser-Doppler velocimetry in the vessel of 0.5 m in diameter . The effects of geometry parameters of the draft tube tank on the flow field has also been analyzed .

带导流筒搅拌槽中循环流量的实验研究

Experimental Study on Circulating Flux in a Stirred Tank with Draft-tube

半椭圆板-导流筒搅拌器的功率消耗和混合效率

Power consumption and homogeneity efficiency of semi-ellipsoidal impellers with draught tube

导流筒结构对气升式环流反应器内气液两相流动的影响

Effect of Draft-Tube Structure on Gas-Liquid Flow in Airlift Loop Reactor

管壳式换热器外导流筒接管区的应力分析

Stress Calculation of External Guiding Flow Cylinder of Shell-and-Tube Heat Exchanger

带导流筒搅拌槽内流场的研究

Study of Flow Field in the Draft Tube Agitator Tank

换热器环形外导流筒的设计及制造要点管壳式换热器外导流筒的应力计算

Design and manufacture essentials of annular externally guide shell in heat exchanger

螺杆-导流筒搅拌器的循环和功率特性

Circulation and power consumption performance for helical screw impeller with draught tube

螺杆-导流筒搅拌器的混合时间估算

Estimation of mixing time for helical screw impellers with a draught tube

多孔挡板导流筒型流化床内构件研究

Investigations on the draft tube internal in gas-solid fluidized beds

导流筒搅拌器在种分槽上的应用

Application of draft tube agitator in seed precipitation tank

反应器包含一个传统的导流筒和三段缩放型导流筒。

The reactor consists of one conventional draft tube and three convergence_divergence draft tubes .

内导流筒折流杆浮头式换热器冷凝效果研究

Study on condense effect on rod baffle floating head heat exchanger with inner draft tube

缩放型导流筒气升式内环流反应器特性&气液两相牛顿流

Characteristics in the Internal Loop Airlift Reactor with a Convergence-Divergence Draft Tube & Gas-Liquid Two-Phase Newtonian Flow

液固环流反应器的反应-再生系统操作分析及导流筒模拟

The Operation Analysis of the Reaction-Regeneration System in Liquid-Solid Loop Reactor and the Simulation of Draft Tube

作为工业设计，在层流域和过渡域，可选用螺杆-导流筒搅拌器；

The screw with draft tube can be elected in both laminar and transitional regimes for industrial designs ;

结果表明，优化导流筒结构可以实现节能降耗。

The results showed that improving the structure of draft tube could reduce energy loss in the bioreactor .

在导流筒和环隙内固含率沿径向分布均匀。

The radical distribution of the solid hold-up was uniform within both the draft tube and the annular region .

两段气升式气固环流取热器导流筒壁与床层间的传热特性研究

Study on Heat Transfer Between Gas-Solids Suspension and the Surfaces of Two Draft Tubes in an Airlift Loop Heat Exchanger

结果显示，导流筒结构和气液分离区结构对普通多级环流反应器流体力学的影响主要集中在第三段。

In the third section , hydrodynamics is obviously influenced by the draft tube structure and the gas-liquid separator structure .

多段内导流筒气升式反应器中气体分布器对气含率和气液传质特性的影响

Effect of gas distributors on gas hold-up and gas - liquid mass transfer in the air-lift reactor with multi-section draft tube

对具有导流筒流化床与填料固定床相结合的复合生物流化床的床层流体力学特性、混合特性及传质特性进行了研究。

Experiments were conducted using various types of solid particles to investi-gate the hydrodynamic properties of a composite biological fluidized bed .

作者结合工程实践，提出了外导流筒结构形式的改进意见，为实际工程设计提供了借鉴。

Integra-ting with the engineering practice , the advanced structure types are introduced , witch will provide reference for the actual design .

使用欧拉-欧拉两流体模型研究了导流筒结构对气升式环流反应器内气液两相流动的影响。

Eulerian-Eulerian two fluid model was applied to investigate effect of draft-tube structure on ( gas - ) liquid flow in airlift loop reactor .