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作 者:谷占军 金志刚 GU Zhanjun;JIN Zhigang(Kangheng Environmental Protection Energy Co.,Ltd.of Yuanyang,Xinxiang 453500,Henan,China)
机构地区:[1]原阳县康恒环保能源有限公司,河南新乡453500
出 处:《能源与节能》2022年第1期67-69,共3页Energy and Energy Conservation
摘 要:受北方冬季外界环境温度影响,垃圾焚烧发电厂垃圾池内温度远低于垃圾发酵适宜温度下限,即便延长发酵时间,也无法实现垃圾的充分发酵,降低入炉垃圾热值,增加焚烧炉燃烧工况调整难度。在分析锅炉连排污水、一次风及炉墙冷却风、渗滤液加热回灌、除氧器加热蒸汽和二抽蒸汽作为热源加热垃圾池方案的基础上,提出采用二次风作为热源加热垃圾池的方案。该方案可提高二次风系统利用率,在不增加设备投资的基础上,达到加热垃圾池、改善垃圾发酵效果的目的。Affected by the external ambient temperature in northern winter,the temperature in the waste pool of the waste incineration power plant is far lower than the lower limit of the appropriate temperature for waste fermentation.Even if the fermentation time is prolonged,the full fermentation of waste can not be realized,the calorific value of incoming waste can be reduced,and it is more difficult to adjust the combustion condition of incinerator.Based on the analysis of the scheme of boiler continuous discharge sewage,primary air and furnace wall cooling air,leachate heating and reinjection,deaerator heating steam and secondary extraction steam as heat source to heat the waste pool,this paper proposed to use the secondary air as the heat source to heat the waste pool,which can improve the utilization rate of the secondary air system and achieve the purpose of heating the waste pool and improving the waste fermentation effect without increasing the equipment investment.
分 类 号:X705[环境科学与工程—环境工程]
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