文档介绍：中国生物能源论坛秸秆燃烧发电概述1·························································································1·秸秆发电概述····3·····································2········································丹麦发展秸秆燃烧发电情况3·········································································4································································5···············································丹麦BWE公司秸秆燃烧发电技术在中国的发展6··········································我国发展秸秆燃烧发电情况····························3·······6······································································7············································在我国发展秸秆燃烧发电的积极因素·················8··························································存在的主要问题·····························1秸秆发电概述秸秆是十分宝贵的清洁可再生能源,每两吨秸秆的热值就相当于一吨煤,‰,远低于煤1%的平均含硫量,是当今世界仅次于煤碳、石油和天然气的第四大能源。通过秸秆处理系统将农作物秸秆进行集中焚烧处理,在保证不造成任何形式的二次污染的前提下,农作物秸秆燃烧产生热能发电。掺烧秸秆发电,技术上已经可行。我国南方一些地方利用甘蔗渣掺烧发电,早已有先例。一些特种锅炉厂的技术人员经论证后确认,只需要对现有此类电厂锅炉炉膛稍加改造,再增加输料和袋式除尘装置即可。以秸秆替代部分煤炭作为燃料后,发电机组的稳定正常运行不会受到影响。同时,电厂掺烧秸秆后也不会增加污染。集中处理秸秆时,只要技术处理得当,对环境不但没有影响,而且会从总体上改1中国生物能源论坛善环境。目前我国农作物秸秆年产量约为7亿吨,可作为能源用途的秸秆近2亿吨,至少可替代近1亿吨的煤炭,相当于煤炭大省河南一年的产煤量。近年来,在电力紧缺、新上大型火电机组建设周期又较长的情况下,小火电厂为缓解电力紧张、发展地方经济起到了不小作用。这一方面确实弥补了电力缺口,拉动了地方经济和就业,但另一方面,由于其耗煤高、污染大等方面的“先天不足”,已建成的众多小火电厂今后何去何从将是个很大的难题。如果不再与大电厂争煤,改为就地取材以秸秆发电,小火电厂的运行、经营方式将发生重大转变,进入国家产业政策的允许范围