资源描述：
《内燃加热式生物质气化炉设计》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、2009年2月农业机械学报第40卷第2期3内燃加热式生物质气化炉设计12334朱华炳胡孔元陈天虎石莹张先龙(1.合肥工业大学工业培训中心,合肥230009;2.合肥工业大学机械与汽车工程学院,合肥230009;3.合肥工业大学资源与环境工程学院,合肥230009;4.合肥工业大学化学工程学院,合肥230009)【摘要】根据生物质气化原理,针对目前气化炉产气热值低和存在焦油的问题,设计了一种内燃加热式气化炉。内燃加热式气化炉优于已有的固定床气化炉、流化床气化炉;类似于下吸式固定床气化炉,热解气中焦油含量低;设置以热解气为燃料的内加热系统,减少了空气入炉量,提高了热
2、解气热值。内燃加热式气化炉是将生物质气化与焦油的催化裂解集于一体,不需要再为催化裂解提供热源。关键词:生物质气化炉催化裂解炉内旋转机构蛇形管内燃烧换热装置雾化增湿装置中图分类号:S21612;TK6文献标识码:ADesignofanInternalCombustionTypeHeatingBiomassGasifier12334ZhuHuabingHuKongyuanChenTianhuShiYingZhangXianlong(1.IndustrialTrainingCenter,HefeiUniversityofTechnology,Hefei230009,C
3、hina2.SchoolofMachineryandAutomobileEngineering,HefeiUniversityofTechnology,Hefei230009,China3.SchoolofResources&EnvironmentEngineering,HefeiUniversityofTechnology,Hefei230009,China4.SchoolofChemicalEngineering,HefeiUniversityofTechnology,Hefei230009,China)AbstractManyproblemsofgasif
4、iers,suchastheheatvalueproducedbygasisverylowandmuchtarremainsinthegasduringtheprocessofoperation.Focusingonthese,anewinternalcombustiontypeheatinggasifierwasdesignedaccordingtotheprincipleofbiomassgasification.Thistypeissuperiortothefixedbedgasifierandthefluidizedbedgasifier,whichal
5、readyexisted.Similartothedowndraftfixedbedgasifier,thetarinthegascontentisverylow.Bydesigninganinternalheatingsystemtakinggasasthefuel,thequantityoftheairenteringthegasifierwasreduced,andthequalityofthegaswasimproved.Thisgasifiercombinesbiomassgasificationandcatalyticcrackingtogether
6、sothatthereisnoneedtoprovidetheheatsourceagainforcatalyticcracking.Innerrotarymechanism,snakepipeinternalcombustionheatexchangerdevice,atomizationhumidificationequipmentandsoonmakethegasifierperformwell.KeywordsBiomassgasifier,Catalyticcracking,Innerrotarymechanism,Snakepipeinternalc
7、ombustionheatexchangerdevice,Atomizationhumidificationdevice为下吸式、上吸式、横吸式和开心式几种。下吸式气引言化炉在微负压下运行,对密封要求不高,产出可燃气近年来,生物质气化技术得到很快的发展,多种热值高、焦油含量少,但是可燃气中灰分多,且可燃形式的气化炉被开发出来,这些气化炉分为固定床气出炉温度高。上吸式气化炉在微正压下运行,对[1]气化炉和流化床气化炉两类。固定床气化炉分密封要求高,可燃气中焦油含量高。流化床气化炉,收稿日期:2008201231修回日期:20082062023国家自然科学基金资助项
8、目(50774027)和
