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- WT5”BZ]The experimental study of a gas solid flow pattern and gas diffusion characteristics using polystyol particles and glass bead has been carried out in a pressurized spouted fluidized bed. 在一个加压喷动流化床装置上进行了冷态实验,研究加压条件下床中的气固流动状态和气体在各部分的扩散特性。
- Discrete particle method (DPM) is used to calculate the overall movements of particles with a diameter of 4 mm and gas in a cylindrical spouted bed with a column diameter of 0.1 m. 运用离散颗粒法(DPM)模型;模拟了直径为4mm的颗粒在直径为0.;1m的圆柱型喷动床内的喷动情况。
- Calculated particle velocity and concentrations in a spouted bed are in agreement with experimental data. 模拟得到的喷动床内颗粒速度和浓度实验数据吻合较好。
- The properties and components of pressure fluctuation signals in gas solid fluidized bed was dissected quantitatively by using power spectrum analysis,R/S analysis and chaos analysis. 应用功率谱分析、R/S分析、混沌分析等对气固流化床压力波动信号的性质、组成进行了定量解剖。
- In order to measure the instantaneous particle flow in draft tube of spouted bed, PIV system was applied. 应用粒子图像测速仪(PIV)研究了喷动床导向管内粗颗粒物料的运动规律,测量了粗颗粒物料的瞬态流场及湍流度分布。
- But it has some limitations of geometry structure, so scaling up the draft tube spouted bed is an urgent task. 但是导向管喷动床的几何结构也有一定的限制。
- The influence of the arrangements of pipes on gas solid flow characteristics in the dense section of standpipe in the circulating fluidized bed is studied on a cold state experiment platform. 在冷态试验台上研究了循环流化床料腿密相段中不同管束布置方式对气固流动特性的影响。
- Experimental investigations on pulsant behaviors of particle flow were carried out on a two-dimensional spouted bed using PIV. 床体的颗粒流动表现出整体的喷动周期性,属于不连贯喷动流型。
- Gas Residence Time Distributions in a Spouted Bed 喷动床中气体停留时间分布的研究
- Firstly,the pressure distribution of gas solid flow along the circulating route is analyzed and experimentally studied. 分析气固两相流在循环路径中的压力分布,并通过试验对其进行了研究。
- The height of the entrainment zone and the tube diameter has more distinct effects on the hydrodynamics of spouted bed with draft tube than the . 此外,导流管喷动床的流体动力特性受料床高度影响不大,但受导流管内径和夹带高度的影响显著。
- Pentachlorobenzene cyanide was synthesized by means of gas solid catalysis and chlorination using cyanobenzene and chlorine as the raw materials. 以苯甲腈和氯气为原料,用气固催化氯化法研制了五氯苯甲腈。
- Not only were there the gas solid two phase turbulent flows, but also there were heat transfer and cracking reaction in the commercial flow catalytic cracking(FCC) riser reactors. 工业催化裂化提升管反应器内既存在着气固两相的湍流流动,又存在着传热和裂化反应,而且这些过程是相互影响、高度耦合在一起的。
- The experimental results show that the mixing characteristics of the annular spouted bed are satisfactory and that the structure of this device is a novel and effective way to reduce the di... 粒径对混合速度有一定的影响;粒径越小颗粒混合速度越快.;此外;该喷动床独特的结构有效降低了轴向和圆周方向上的混合差别
- Four flow regime as packed bed, spouting-moving bed, spouted bed with pulsation and slugging bed are observed when auxiliary and spouting gas velocities are changed into different levels. 随着辅助气速和喷动气速的改变,可观察到床中粒子处于固定床、稳定喷动床、脉动喷动床、腾涌床四种不同的流动状态。
- Study of semi-dry flue gas desulfurization with spray spouted bed 喷雾-喷动床半干法烟气脱硫研究
- H heptafluoropropane (F 227) was prepared from hexafluoropropene (HFP) and HF by a continuous hydrofluorinating reaction in a gas solid phase system, and the technology was systematically studied. 以六氟丙烯为原料,经连续气固相氢氟化反应制备了七氟丙烷,并对工艺参数进行了系统的研究。
- Fuel particle coating in a multiple gas inlet spouted bed 喷动床多气体入口对燃料颗粒包覆工艺的影响
- Keywords Spouted bed;Multi gas inlets;Particles' coating; 喷动床;多气体入口;颗粒涂覆;