搜索结果: 1-14 共查到“工学 Dryer”相关记录14条 . 查询时间(0.05 秒)
Analysis of Cube Sugar Drying in a Convective Dryer
water evaporation sugar product convection diffusion CFD
2016/12/9
The article deals with determination of drying curves for the convective drying of cube sugar. The results of the experiment are compared with simple CFD model and literature data. Drying process is d...
Drying of cherry tree chips in the experimental biomass dryer with solar collector
bioenergy drying process material moisture content relative air humidity, renewable energy Republic of Moldova
2014/2/25
Drying significantly influences the process of a biomass conversion into the renewable energy source as well as quality of solid biofuels (briquettes, pellets). The research is focused on monitoring a...
Determining Slice Thickness of Banana (Musa spp.) for Enclosed Solar Drying using Solar Cabinet Dryer under Ethiopian Condition
Banana Enclosed Solar
2016/6/1
The present study was executed to determine optimum thickness of banana slice for enclosed solar drying and to evaluate the Natural Resource Institute (NRI)-modified local Kawanda solar cabinet dryer ...
Modelling the carrot thin-layer drying in a semi-industrial continuous band dryer
carrot thin-layer drying mathematical modelling semi-industrial-continuous band dryer effective moisture diffusivity
2014/2/25
This paper presents a mathematical modelling of the drying process in a semi-industrial continuous band dryer. Carrot slices with the thickness of 5 mm were used for the drying experiments. The experi...
Modelling the drying kinetics of canola in fluidised bed dryer
canola fluidised bed drying kinetics food grain drying activation energy
2014/2/27
Canola, one of the new oil seeds in Iran, is investigated for drying in Batch fluidised beds. Experiments were conducted to assess the kinetics of drying in the temperature range of 30–100°C. The dryi...
非线性振动干燥机板簧曲面有限元分析与优化（Finite Element Analysis and Optimization on Leaf Spring Curved Surface of Nonlinear Vibration Dryer）
振动干燥机 板簧曲面 屈曲变形
2009/12/28
针对线性非共振式振动干燥机工程上存在的问题，提出应用非线性振动理论，将其改进为非线性近共振双质体振动干燥机，简述了其工作原理，分析筛板可能承受系统突加载荷作用下的最大横向力，进行板簧曲面屈曲变形分析。研究表明：考虑物料粘度随温度而变化以及粒度不均匀性等因素而产生的突加载荷是正确的；板簧曲面由此发生屈曲变形而导致筒体的横向失稳是可能的。基于ANSYS软件建立了分析模型,解得板簧曲面各阶屈曲变形，可有...
苜蓿转筒干燥时茎叶分离出口气流场模拟与优化（Simulation and Optimization of the Wind Field of the Separation Exit of Alfalfa Rotary Drum Dryer）
苜蓿 悬浮速度 风场模拟 计算流体力学
2009/11/3
针对转筒干燥苜蓿的茎叶垂直分离原理，基于90℃左右干燥气流的风速条件，应用CFD技术对三回程苜蓿干燥分离转筒出口附近的气流场进行了模拟和优化设计。通过速度云图分析，获得了在总体结构不变的情况下中筒末端和外筒末端之间相对适宜的尺寸。通过气流场速度矢量分析，提出了改进茎叶分离效率的方案。
设计了一种气流冲击式转筒干燥机，与常规式转筒干燥机相比，具有传热系数高、物料受热均匀、节约能源、单位体积装载量多等特点。干燥机采用保温隔热、热空气循环利用以及换气除湿等方法，工作时可根据不同物料的特性和产品要求调整热风温度、相对湿度、风速、转筒转速等工艺参数以及分支喷管直径、高度、倾角等结构参数。以牧草种子（披碱草种子）和胡萝卜丁为试验物料对气流冲击式转筒干燥机进行了性能试验，干燥后的披碱草种子可...
果脯隧道式干燥机温湿度监控系统设计与试验（Monitoring and Controlling System of Temperature and Humidity for Tunnel-type Dryer）
隧道式干燥机 果脯 监控 系统设计 组态软件 试验
2010/5/5
设计了果脯隧道式干燥机多段温湿度监控系统。系统以可编程控制器与工控机为控制中心，基于组态软件的二次开发，对隧道式干燥机多段变温变湿干燥过程的温度、湿度和干燥时间进行实时监控和集中管理。运行试验表明，该系统实现了温湿度的参数设置、实时动画显示、趋势曲线、数据库查询、报表输出打印等功能，温度控制精度为2℃，相对湿度控制精度达到8%。 The temperature and humidity monit...
脉动燃烧干燥换热特性分析与实验（Analysis and Experiment of Heat Transfer in Helmholtz Pulse Combustion Dryer）
干燥 脉动燃烧 对流换热系数 努塞尔数 脉动频率
2010/4/1
利用Helmholtz型脉动燃烧器，进行了脉动气流与黄铜球间的对流换热实验，应用集总热容法确定了不同频率脉动气流与黄铜间的对流换热系数，探究了脉动频率对脉动燃烧干燥过程中气流与物料间对流换热系数的影响，建立了努塞尔数与脉动频率间的关联式，并对耐火土颗粒在脉动燃烧气流中的干燥过程进行了预测，实验结果与预测值吻合较好。 In order to further understand the heat t...
设计了一种滚筒式真空脉动干燥机。该干燥机由干燥滚筒、旋转接头、加热系统、控制系统、真空系统和传动系统组成。控制系统通过控制电磁阀可使干燥滚筒内的干燥压力在真空与常压之间有规律地变化。干燥滚筒在增加装料量的同时，还可通过旋转使物料受热均匀，提高机器的生产率。无核白鸡心葡萄的干燥试验表明，在干燥压力为7kPa,一个循环内真空干燥20min，常压干燥4min，干燥温度为60℃的条件下，干燥12h，葡萄含...
甘薯全粉滚筒干燥生产工艺（Production of Sweet Potato Flour with the Method of Drum Dryer）
滚筒干燥 甘薯全粉 响应面分析 工艺优化
2010/4/1
选用甘薯（徐薯23）为原料进行滚筒干燥加工工艺的研究，以甘薯全粉的堆积密度及色差值为指标，采用响应面分析法，研究了进料温度、进料质量分数、滚筒转速、滚筒表面温度对滚筒干燥工艺的影响。确定的甘薯全粉滚筒干燥工艺最佳组合为：进料温度42℃，进料质量分数13.6%，滚筒转速3.0r/min，滚筒表面温度143℃。该条件下生产的甘薯全粉堆积密度为0.51g/mL，多项验证试验值在95%的置信区间内很好地符...
The Effects of Dryer Temperature and Moisture Addition on Ginning Energy and Cotton Properties
Moisture Addition Dryer Temperature
2008/4/30
Damage to cotton fibers during ginning can be reduced by minimizing dryer temperatures and restoring moisture to over-dried fibers. This paper reports the effects of seed cotton moisture conditioning ...
Relation between surface temperature and dryer operation
drying of maize drying medium i-x diagram of wet air thermovision
2014/2/27
The most significant way of grains conservation is heat drying. This technological process is regarded as a part of the production process with such commodities as grain maize, grain sunflower, rape, ...