| Energy issue is a hot topic in the 21st century.Today's world is facing two troubles of energy crisis and environmental problem.To ensure energy supply and safety,and reduce the impact and pollutionte of the ecological environment caused by energy development,we must vigorously develop the renewable energy including biomass energy.Therefore, researching and developing utilization of biomass energy has become the focus of all countries in the world.Forestry biomass energy is an important part of the biomass energy,which is large and with high calorific value,the most appropriate development of clean energy.It also has great potential in the development of renewable energy.Owing to the lack of awareness of developing forestry biomass energy,the weak foundation,the perfect less system, immature exploitation technology,high development costs,market risks,the unmatch relevant policies and regulations,the lack of science and possible development planning and development strategies,they result resulting in the difficulties of developing utilization of forestry biomass energy,and forestry biomass sources being industrialized.In order to solving the China issues of technology economy,energy policy and sustainable development in the development and utilization of biomass energy and industrial development,promoting forestry biomass resources,energy,economic,and environmental development,by the way of integration of energy forestry to energy industry,realizing the forestry biomass energy industries to sustainable development,promoting forestry biomass energy industries and modern forestry development,it is necessary for the development of evaluation and development system of forestry biomass energy.This paper applies Technology Economics,Operations Research,Systems Engineering and Sustainable development of the theory and methodology.Against forestry biomass energy industry barriers,it studies systemitically the problems about technical estimation the optimization about product mix and strategy about sustainable development.It also provides the bases theory for promote the sustainable development of forestry bioenergy.Main contents are as follows:(1) It analyses and evaluates the use of existing biomass conversion technology with AHP.On the basis of application and comparison to the existing biomass conversion technology, from the advanced nature,economic viability and environrnental safety to holistically evaluate the use of biomass conversion technology,it determines the use of biomass energy conversion technologies developmental priorities and direction of development,provides a theoretical basis for selecting to suit local conditions and improving the use of forestry biomass conversion technologies.(2) Through the forestry biomass energy resources and structure analysis,it defines the forestry biomass energy resource type,defines the estimation methods on identified crops,firewood,wood and wood waste products,herbs,and other biological material resources,analyses the forestry biomass resource status and distribution,analyses the availability of existing forestry biomass resource,estimates the forest biomass resources available capacity of 1748 million tons,which can be used as bio-energy use to about 583 million tons.Meanwhile the forest biomass resources for training and development of the use of regional analysis,a division of seven alpine region of Northeast China and Inner Mongolia Forest northwest,the northern and western regions of North China,northern and central plains region,the South area,and the tropical areas of southern China,southwestern mountain gorge,a comprehensive analysis to determine the Cultivation of energy use and development of priority development areas,this provides a scientific basis for China energy development.(3) It first proposes the forestry biomass energy system concept,structure and characteristics of model with the application of systems engineering theory.It thinks the forestry biomass energy system is the availability of resources,change the use, consumption demand,economic and social and environmental impacts,and other subsystems constituted to the complex and open energy systems,and on this basis, establishes the forestry biomass energy system architecture model,describes the system's complexity,open and more dynamic change of target properties.Moreover,it establishes the forestry biomass energy system analysis and optimization theory,and on this basis, studies the optimization issue on the species of forestry biomass energy,establishes the firewood forest trees and woody plant species oil optimization model from the heat value(of oil),biomass(yield) and production costs three aspects.It optimizes the fuel Forest of existing species and species of woody fuel plants.(4) According to the theory about circle economic,optimal method is used about operations Reseach and liner plan.By the smallest sum of reducing and controling pollution during the usage and after it as object function.Restraint condition is based on energy consumption,energy gross amount,enviroment and energy grade.Optimal Model about product Mix has been built for the first time,and product mis has been optimized of forestry bioenergy during the planabout the evelveth five years.(5) Under sustainable development theory,it's the first time to research sustainable development strategy of forestry biomass energy with theoretical studies method,and give the definition,intension and concept pattern about forestry biomass energy sustainable development.Also I analysis the influence factor about it.Second,it's the first time to design the totally train of thought,main principle, developing goal about sustainable development strategy of forestry biomass energy,and its step and countermeasure,and give the developing strategy thought,which is building forestry biomass energy circular utilization system,making overall plans,taking reasonable arrangement,developing the industry of forestry biomass energy,stepping on all-in-line developing of energy-forestry and energy-industry,realizing concordant developing on forestry,energy,environment,economy and society,with helping policy,basing on energy forest,under circular economic theory,fix five principle(circular economy, combine with ensuring foodstuffs safety and ecological building,combining with forestry developing,economic technology feasibility),four main field(methane technology, biomass gasification and curing process fuel,biomass power generation,heating and thermoelectric cogeneration system,biomass liquid fuel),and developing goal.I also give five countermeasures and seven industry policies about sustainable development strategy of forestry biomass energy,which hope to have more theoretical leading values and realistic significance.
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