The Typical Components Of Msw Fluidized Bed Gasification Characteristics Of Experimental Research

Considering the increasing municipal solid waste (MSW) and its pollution to the environment, the deposition of it has become one of the serious worldwide issues and the common duty of the all-international society. The conventional methods for disposing MSW are no longer sufficient to meet the new demands of the society. The incineration technique has its advantages and shortcomings. Both of them will make it one of the major ways to depose MSW in China for a long time, but in the future it doomed to be replaced by a more safe and resourcable method. MSW gasification & melting is a new technique for waste treatment. It combines the merits of MSW gasification and fly ash melting. Comparing with traditional methods, it does not cause atmospheric pollution and works at high efficiency. In addition to utilize the valuable energy in MSW, It can reduce the dioxins and stabilize heavy metals. It has attracted attention as "next generation" waste processing method. In China, MSW gasification & melting is just in its preliminary stage and little work has been done in this field. So it is very important and necessary to research and develop gasification & melting technique that is fit for Chinese MSW.From studying the compositon and heat value of typical MSW in China, this paper has theoretically verified the practical feasibility of gasification & melting process of Chinese MSW. In this paper, the experimental research work is built on a self-designed fluidized bed reactor. The major components of MSW are selected as the testing materials for the single-component MSW gasification experiment. PVC and PE plastics are gasified in the fluidized bed with different temperature and excess air coefficient. The research studies their gasification characteristics and analyzes the heat values of product gases and the formation of carbon black. The transforming ratio of C1-HC1 in PVC gasification has also been studied. From the analysis of experiment results, PVC gasification mechanism in fluidized bed has been concluded. In this paper, the experimental studies on wood particles and model mixed MSW gasification have also been carried out.