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Design Theory And Simulation Study On Rotating Cone Flash Prolysis Device For Biomass

Posted on:2009-05-12Degree:DoctorType:Dissertation
Country:ChinaCandidate:B LiFull Text:PDF
GTID:1102360275466148Subject:Mechanical design and theory
Abstract/Summary:PDF Full Text Request
Energy is the most important basis in progress of the human society,also is one of the basic driving force to Socio-economic development.As mankind's excessive use of fossil fuels,not only cause serious environmental pollution for the survival of mankind,but also because of the lack of energy gradually,this develops with a potential crisis in the future of mankind.Therefore,It is imminent to find and develop renewable new energy and alternatives to oil to suit China's national conditions and.China is a large agricultural country and very rich in biomass resources.But in the absence of advanced,efficient technology to enter the market to use,in each year the massive amount of waste biomass were simply abandoned,so it has a major economic significance,ecological significance and social reality of environmental significance to find a new technology which would economy conveniently transform massive waste of biomass into fuel commodities which be able to enter into the market and sale well annually.This paper relys on projects "integrated biomass multiple flash pyrolysis liquefaction production of bio-fuel technology" which is the national "863" theme reserve energy technology projects in the area of energy.We have had a study in-depth on the cone of the flash pyrolysis of biomass liquefaction plant reactor's Design Theory,and established the Space Dynamics Model of a heat carrier in the reactor internal.From thermal we not only deduced space vector equation of state campaign and to the smallest cone angle equation,but also have done some projection to the strength of cone method of calculating and production Calculation methods and design methods for power.Thereby establishing the pyrolysis reactor's basic design theory.Based on the finite element and fuzzy optimization theory,proposed the cone FEM design theory based on fuzzy optimization,this finite element method can reflect the fuzzy of the problem and Practical of Engineering Structures.It has provided an important theoretical basis for the structural design and optimization of the cone.Applying the software ADAMS,we did dynamic simulation on pyrolysis reactor,then established computer simulation model of a revolving cone and eat carrier.To find the best relationship of a cone angle,solid retention period and its speed to match,we conducted a different cone to cone to cone angle and speed simulation.By using ZKR-200A that is a kind of biomass flash pyrolysis liquefaction oil installations which is independent researched,we did pyrolysis of liquefaction experiments on four kinds of common biomass and then we conducted an analysis on biomass pyrolysis oil component received by the Device.Finally,we obtained the biomass energy conversion rate of this device on biomass processing capacity.Through the above research and experiment,we provide an important basis theory,design methods and reference for China to develop its own advanced flash pyrolysis of biomass liquefaction device which is with our own proprietary to the cone。...
Keywords/Search Tags:biomass, flash pyrolysis, cone reactor, fuzzy optimization, finite element, simulation ADAMS
PDF Full Text Request
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