给出了稀相输送阻力计算公式。
Finally, the drag force formula about dilute phase conveying is provided.
大空腔的长大过程就是稀相核边界不断更新的过程。
The growing process of macrovoids was that of continual renewal for the polymer-poor nucleus boundary.
该泵不仅适用于高浓度气力输送,也适用于稀相气力输送。
It is suitable for dense phase pneumatic transportation, and for dilute density pneumatic conveying as well.
文中提出了固体粒子稀相流垂直管内适用的压力损失计算式。
The applicable formulae of pressure drop in the dilute flow for solid particle through a vertical pipe are developed.
本文简述了目前电解铝厂普遍采用普通钢管用于稀相输送的状况。
The paper briefly reviews the status of common steel pipe for dilute phase pneumatic conveying in present aluminum smelters and finds its shortcoming.
对稀相区在较高固粒流率下对颗粒运动速度进行了变工况分析和讨论。
Under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition.
研究同时发现,分布板压降对稀相区轴向颗粒浓度和颗粒循环量无影响。
It has been found that the pressure drop of the distributor has little influence on the axial apparent solids concentration in upper dilute region and on the external circulation rate.
采用电容层析成像技术,对常温下稀相气力输送的固体浓度进行了测试研究。
By using the capacitance tomography, tested and studied was the concentration of solid conveyed by a dilute-phase pneumatic force at a normal temperature.
结果表明:稀相喷流床中环隙区颗粒的下降速度比传统喷动床高出一个数量级;
The results show the particle velocity in the annulus area in this equipment is about an order of magnitude higher than that in ordinary spout-fluid beds;
实验结果表明:二次风可以促进挥发分在稀相区的燃烧,对提升稀相区的温度作用明显;
The experimental results indicate that secondary air can accelerate volatile combustion in dilute phase zone and raise temperature here remarkably.
其次,扩充了在稀相流动中,用图像法可检测到的流动参数内容,实现体积空隙率的检测。
Secondly, we expand the scope of detectable flow parameters by using image method in dilute phase flow regime, and achieve measurement of volume voidage.
由于PET切片产量减少,为了节约能耗,PET切片输送系统由密相输送改为稀相输送。
Because of the PET chip yield reduce, in order to reduce the energy consumption, the PET chip conveying system was changed from dense phase conveying to dilute phase conveying.
本文通过对循环流化床锅炉密相区和稀相区的质量平衡与能量平衡的分析,建立了床温控制模型。
In this thesis, through the analysis on mass balance and energy balance in the dense phase and sparse phase, the bed temperature cybernetic model is established in this thesis.
为降低煤在热解过程中的焦油产率,在一流化床稀相段考察了温度和停留时间对焦油裂解的影响。
The effects of temperature and residence time on tar cracking in the freeboard of a fluidized bed have been investigated in order to reduce the tar produced in the pyrolysis process of coal.
同时为进一步建立适合油页岩的循环流化床燃烧室稀相区的流动、燃烧、传热、磨损模型奠定了基础。
It lays a foundation for modeling of flowing and combustion as well as heat transfer and abrasion of oil shale circulating fluidized bed boiler dilute zone.
实验结果表明,在该实验条件下的流化床输送中,稀相区内部构件的影响比在浓相区内部构件的影响更明显。
Experiment results showed that in the transport beds of fluidization, internals in the condense phase zone gave a more obvious effect than those in the dilute phase zone.
最后由纤维应力模型计算纤维对流场的影响,采用稀相纤维附加应力模型,计算了纤维对收缩流场的影响。
The additional shear and normal stress of fiber become large with the addition of the contract ratio. Including the effect of fiber stress, the flow field is recalculated.
该传热模型正确反映了炉膛上部过渡区和稀相区平均固体物料浓度随循环流化床锅炉运行主导因素的变化规律。
The core of this model is the correlation between the average solid suspension density and the main operating condition in the transition zone and the dilute zone of the CFB boiler.
实验还发现,床层截面平均浓度的增加,浓相区内颗粒浓度的分布更均匀,而对稀相区内颗粒浓度分布没有明显的影响。
The influence of the different kinds of particles on the radial distribution with increasing the cross-sectional average solids concentration is different.
结合计算机高速运算的性能,对稀相、浓相气力输送系统设计的系统模块进行了系统的编写,极大地提高了系统设计效率。
Based on the fast numerical capability of computer, the program of module for dilute and dense phase pneumatic conveying system is made, which makes the efficiency in high.
循环流化床炉内水冷壁的磨损主要发生在稀相区,主要是由于水冷壁表面结构不规则造成的,并据此提出了防止水冷壁磨损的相关措施。
The water wall wear mainly occurred on the irregular water wall surface in rare phase, the effective measures are promoted in the view above.
研究了十六烷基三甲基溴化铵(CTAB)和十二烷基磺酸钠(AS)复配体系在稀溶液区的相行为。
The phase behavior of cetyltrimethylammonium bromide(CTAB) and sodium dodecyl sulfonate(AS) mixed system in dilute aqueous solution region has been studied.
YG8硬质合金经稀硝酸水溶液化学侵蚀后,表面一定深度内的粘结相钴将被化学刻蚀掉,引起表层疏松。
Cobalt phase was chemically etched to certain depth beneath the surface and porous layer was formed after YG8 cemented carbide had been soaked in aqueous solution of dilute nitric acid.
介绍一种改进的高效液相色谱柱的装填方法——稀匀浆装填方法。
The improved packing method of columns of high performance liquid chromatography, or the diluted homogenate slurry packing method is introduced.
通过稀溶液粘度实验,发现单链微凝胶巨大的比表面积使其在SDS水溶液中具有异常高的相转变温度。
The fact comes from its high specific surface area, which can adsorbs more SDS than "multi-chain" microgels.
根据两相流诱发振动的机理与有关文献中的实验数据,笔者推荐的振动分析方法可用来预测稀醋酸酐冷凝器的振动。
Basing on the mechanism of two-phase flow-induced vibration and data from literatures, the authors recommend a method to engage in vibration analysis of dilute AA a...
根据两相流诱发振动的机理与有关文献中的实验数据,笔者推荐的振动分析方法可用来预测稀醋酸酐冷凝器的振动。
Basing on the mechanism of two-phase flow-induced vibration and data from literatures, the authors recommend a method to engage in vibration analysis of dilute AA a...
应用推荐