搜索结果: 1-15 共查到“工学 fluidized bed”相关记录21条 . 查询时间(0.06 秒)
Fast pyrolysis of?pitch pine biomass?in a bubbling fluidized-bed reactor for bio-oil production
Pinus rigida pitch pine Thermogravimetric analysis Fast pyrolysis Bubbling fluidized-bed reactor Bio-oil
2023/12/18
The kinetic parameters for the pyrolysis of biomass of the pitch pine (Rigida pine?P. Mill) were examined by thermogravimetric analysis in the temperature range 25?°C to 700?°C, in which the main deco...
Development of an Innovative Circulating Fluidized-Bed with Microwave System for Controlling NOx
Nitrogen oxides Microwave Activated carbon Circulating fluidized-bed
2016/3/25
Selective catalytic reduction (SCR) and selective non-catalytic reduction (SNCR) technique are widely used to control
nitrogen oxides emissions. However, both techniques have a general shortcoming kn...
Mathematical and neural network modelling of terebinth fruit under fluidized bed drying
MLP moisture diffusivity drying rate
2015/7/2
The paper presents an application which uses Feed Forward Neural Networks (FFNNs) to model the non-linear behaviour
of the terebinth fruit drying. Mathematical models and Artificial Neural Networks ...
Catalytic Fast Pyrolysis of Biomass in a Bubbling Fluidized Bed Reactor with Gallium Promoted ZSM-5 Catalyst
Biomass Conversion Green Chemicals
2014/10/21
The huge energy demand of our society is causing fossil fuel resources to diminish rapidly. Therefore, it is critical to search for alternative energy resources. Biomass is currently both abundant and...
Modeling some drying characteristics of garlic sheets under semi fluidized and fluidized bed conditions
energy diffusivity garlic moisture ratio Page model
2014/2/25
Thin layer drying properties of high moisture garlic sheets under semi fluidized and fluidized bed conditions with high initial moisture content (about 154.26% d.b.) were studied. Air temperatures of ...
采用电能和氩气等离子体两种加热方式,考察流化床反应器内不同位置温度的变化。在电加热速率不变的条件下,测定玉米秸秆样品在热裂解试验的3个阶段的(预热、反应和反应结束)温度,通过对不同阶段温度随时间变化分析得出采用电预热反应器,预热时间长,流化床床层温差较大,约为200℃;电预热后再通入氩气等离子体加热反应器,预热时间短,反应器预热到设定温度的时间一般为1h,且床层温差小(50℃左右);反应过程中温...
双循环流化床生物质解耦气化实验(Dual Fluidized Bed Biomass Decoupled Gasification Experiments)
生物质 解耦气化 双循环流化床
2010/12/28
对两种常见的生物质(玉米秸秆和稻壳)进行了能量平衡分析和计算,结果表明其中固定碳的燃烧足以维持挥发份热解所需能量。通过冷态实验得到了双床系统的循环和压力分布情况,证明可以通过该装置实现循环灰的传递并避免了燃烧炉和气化炉气体的掺混。生物质颗粒料的热态气化实验表明,可以由冷态平稳切换到气化工况并实现稳定运行,气化产生热值可以达到7MJ/Nm3。
Mathematical Modeling of Distillery Wastewater Biomethanation in Fluidized-bed Bioreactor
Biomethanation anaerobic optimum condition modeling
2010/9/14
An anaerobic fluidized- bed reactor was designed to treat distillery wastewaters for biogas generation using actively digested aerobic sludge of a sewage plant. The optimum digestion time was 8 h and ...
Neural networks application for modeling carbonizing process in fluidized bed
Surface layer engineering Neuron networks Process modelling Artificial intelligent
2009/12/2
Purpose: This paper presents neural network model used for designing the assumed curve of hardness after carbonizing car drive cross in fluidized bed. This process is very complicated and difficult as...
Fast Pyrolysis of Biomass in a Spout-fluidized Bed Reactor Analysis of Composition and Combustion Characteristics of Liquid Product from Biomass
biomass,pyrolysis spout-fluidized bed liquid product
2009/11/16
In order to gain insight into the fast pyrolysis mechanism of biomass and the relationship between bio-oil composition and pyrolysis reaction conditions, to assess the possibility for the raw bio-oil ...
MATHEMATICAL MODEL OF UNSTEADY GAS TO SOLID PARTICLES HEAT TRANSFER IN FLUIDIZED BED
bubbling fluidized bed heat transfer temperature field
2009/10/14
The mathematical model of unsteady one-dimensional gas to particles heat transfer for non-isothermal fluidized bed with periodic heating of solid particles has been described. The method of numerical ...
FLUIDIZED BED COMBUSTION WITH THE USE OF GREEK SOLID FUELS
fluidized bed co-combustion boilers
2009/10/13
The paper is an overview of the results obtained up to date from the combustion and co-combustion activities with Greek brown coal in different installations, both in semi-industrial and laboratory sc...
FLUIDIZED BED COMBUSTION RESEARCH AND DEVELOPMENT IN SWEDEN - A HISTORICAL SURVEY
combustion technologies fluidized bed combustion boilers
2009/10/13
A survey is made on research and development related to fluidised bed boilers in Sweden during the past two decades, where several Swedish enterprises took part: Generator, Götaverken, Stal Laval...
CAPTURE OF SO2 BY LIMESTONE IN A 71 MWE PRESSURIZED FLUIDIZED BED BOILER
fluidized bed combustion limestone sulfur dioxide attrition
2009/10/13
A 71 MWe pressurized fluidized bed coal combustor was operated. A wide variety of coals were burnt under fly ash recycle conditions. Limestone was fed to the combustor as bed material as well as sorbe...
AGGLOMERATION OF BED MATERIAL: INFLUENCE ON EFFICIENCY OF BIOFUEL FLUIDIZED BED BOILER
biomass combustion bubbling fluidized bed agglomeration
2009/10/13
The successful design and operation of a fluidized bed combustor requires the ability to control and mitigate ash-related problems. The main ash-related problem of biomass firing boiler is agglomerati...