When cotton stalk and bed material are well mixed, the minimum fluidizing velocity can be achieved by experiment. 并通过实验求得此工况下床层的临界流化速度。
Due to fluidization, the static bed of sand particles expands and the height of the expanded bed depends upon the fluidizing velocity. 由于硫化作用,静态床沙粒的膨胀和膨胀床的高度主要取决于硫化速度。
To increase fluidizing velocity is beneficial to temperature rise of particle, but the influence is less; 提高流化速度,有利于颗粒的升温,但是影响较小;
The mixing index was employed to investigate systematically the effects of spouting gas velocity and fluidizing gas velocity on the mixing. 同时引用统计学中相对标准差这一混合指数,系统地考察了喷动气速和流化气速对颗粒混合行为的影响。
The influences of fluidizing number, injection velocity, partical diameter and the static bed height on jet penetraion depth are studied. 研究了流化数、射流速度、颗粒平均粒径和静态床层高度对射流深度的影响。
And that the minimum fluidizing velocity of material particles decreased with increasing the bed temperature. 随着床层温度升高,物料颗粒的最小流化速度减小。
It shows that minimum fluidizing velocity is improved at 1 000 K, whereas degree of pressure fluctuation and bed expansion ratio are obviously decreased compared with 300 K. 结果表明:与300K时相比,1000K高温床的临界流化风速有所提高,压降脉动及床层最大膨胀比明显降低。
Also investigated was the influence on Vr% and C% of such a variety of factors as the bed temperature Tb, oxygen concentration, fluidizing velocity Uo and secondary air feed ratio R2%. 并研究了床温、氧浓度、流化速度、二次风率对Vr(%)、C(%)的影响规律。
Minimum fluidizing velocity is one of the most important parameters in fluidization technology. It is significant for evaluation of hydrodynamics, heat transfer and chemical reaction in a fluidized bed reactor. 临界流化速度是流化床技术中非常重要的参数之一,对评价床层流化特性,床内传热、床内化学反应进程有重要意义。
According to the experiential data, a experiential formula was proposed to predict the IHI ash particle minimum fluidizing velocity at different temperature. 根据实验结果提出了预测不同温度下的该灰样颗粒最小流化速度式。
The effects of fluidizing gas velocity, binder concentration, binder spraying rate, initial partical size and nozzle position on the growth mechanism have been analysed and discussed. 本文对流化床造粒进行了实验研究,着重探讨了流化气速,粘合剂种类、浓度、流率,原料初始粒度,喷嘴位置等因素对颗粒成长速率及机理的影响。
This paper presents the measuring results of initial fluidizing velocity on the unitary size fraction of pellets and the calculating method involved is proposed. 本文介绍了对单一粒级球团矿的开始流化速度的测定结果,并提出了计算方法。
This paper introduced the mechanism of mixing and segregation for binary particles, determination of segregation state, mixing index and minimum fluidizing velocity. 介绍了双组分颗粒混合与分离机理、分离状态的判定、混合指数和最小流化速度。
The effect of fluidizing bed height and the gas velocity on the pulsating characteristics were also investigated. 实验还研究了不同床层高度和流化风速对脉动特性的影响,并定性分析了优化流化脉动,减少声损失的途径。
The results show that jet penetration depth increases with the fluidizing number and injection velocity, and decreases with partical diameter. 试验结果表明,流化数和射流速度的增加,射流深度将增加;颗粒粒径增加,射流深度将减小;
Systematic experiments have been made to study the effective factors to carbon transfer coefficient including carburizing temperature, atmosphere carbon potential, Al 2O 3 particle diameter and surfacial fluidizing velocity based on the carburizing gas resource of butane and air in a fluidized bed furnace. 以丁烷加空气为流态化渗碳气源,系统试验研究了流态化渗碳温度、气氛碳势、刚玉粒径及表观流态化速度等对碳传递系数的影响。
The minimum fluidizing velocity and operating fluidizing velocity were obtained by experiments at cooling conditions. 通过冷态流化实验,得到了最小流化速度和操作流化速度。
Study on the minimum full fluidizing velocity in v-bed V型流化床最小完全流态化速度的研究
Experimental investigations on temperature dependence of minimum fluidizing velocity 温度对最小流化速度影响的试验研究
The higher fluidizing air velocity, the more proportion of the excess gas flows into the emulsion. Whereas, it is assumed in two-phase theory that emulsion maintains the status of critical fluidizing condition. 流化风速增加,更多的过量气流进入床内乳化相,而两相理论则假定乳化相流量保持在临界流化状不变。