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- With the increase of fluidization velocity, the solid circulation rate increases. 流化速度增大可使颗粒的循环量增加。
- Results show that the heat transfer coefficients increase with fluidization velocity, and reach their maximum value at the certain fluidized velocity. 传热系数沿探针的周向是变化的,背风面的传热系数总体上比迎风面的大;
- first eritieal fluidization velocity 第一临界流化速度
- second eritieal fluidization velocity 第二临界流化速度
- Using sawdust as raw material, under the condition of 2%-4% opening rate of distributor, the effects of particle size and sawdust bed height on fluidization velocity in cold bubbling fluidized bed were determined. 摘要冷态条件下,在鼓泡流化床中采用木屑为原料,分布板在2%25~4%25不同开孔率的条件下,分别考察了原料粒径和床层高度对木屑流化速度的影响。
- The pulsed fluid beds can overcome these problems, especially for uneasily fluidized and special materials, and it has lower pressure drop, small fluidization velocity, height and saving energy etc. 脉冲流化床干燥器用来干燥不易流化的物料和有特殊要求的物料,能有效克服上述弊端,且具有压降低、流化速度小、床层高度小、节能等优点。
- 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。
- Superficial velocity was the minimum fluidizing velocity or the minimum turbulent velocity, while energy or deviation changed suddenly. 起始流化速度和起始湍动速度分别是判断固定床向鼓泡床、鼓泡床向湍动床转变的重要参数。
- The effect of changing the fluidized-bed temperature, fluidizing velocity and the bed height on performance is discussed in detail in this paper. 本文重点讨论了粉煤流化床内蒸汽使煤气化时气化温度、流化速度及料层高度三因态对煤气产率、蒸汽分解率、容积气化强度及煤气质量诸气化指标的影响。
- Keywords biomass;binary mixture of particles;minimum fluidization velocity; 生物质;双组分混合物料;最小流化速度;
- Gazelles can move with astonishing velocity. 羚羊跑起来速度惊人。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- The car was moving at such a velocity! 那辆汽车的速度简直太快了!
- Gazelles can movewith astonishing velocity. 羚羊跑起来有时速度惊人。
- The hare darted off with the velocity of a bird. 野兔像鸟一样快速掠去。
- The first and second fluidization phases including their corresponding critical fluidization velocities were putted forward from the kinetic characteristic of the vibrated fluidized bed. 提出振动流化床床层压降-流速曲线上存在第一、第二流化段,相应速度为第一、第二临界流化速度。
- According to the dynamical characteristic of the vibrated fluidized bed, the first and second fluidization stages and the first and second critical fluidization velocities were put forward. 根据振动流化床床层动力学特性,提出了第一、第二流化段,第一、第二临界流化速度的概念。
- All these minimun measures must be carried through without delay. 这些起码的措施必须全部毫不拖延地加以实行。
- Research on Minimum Fluidization Velocity of Mixture of Pelletized Biomass and Sands 成型生物质颗粒与砂混合的初始流化风速研究