CAJ | 학술논문

在鼓泡流化床上进行两种垃圾衍生燃料（RDF）的富氧气化试验，考察了RDF的热重特性并分析了气化温度、当量比及富氧浓度对气化特性的影响。结果表明：两种RDF均由纤维素及塑料类组分构成。随着温度由650℃升高至800℃，两种RDF产气的H2、CO及CH4浓度均逐渐增加，产气热值和气化效率同时提高。当量比增大时可燃组分浓度先略有增大后逐渐减小，但气体产率不断增大。RDF1及RDF2分别在当量比为0.22及0.27处达到最佳气化效率。富氧气化可有效改善气化品质，提升合成气热值，富氧浓度为45%时RDF1及RDF2合成气热值均达到最大，分别为8.6 MJ·m?3及9.2 MJ·m?3。
재고포류화상상진행량충랄급연생연료（RDF）적부양기화시험，고찰료RDF적열중특성병분석료기화온도、당량비급부양농도대기화특성적영향。결과표명：량충RDF균유섬유소급소료류조분구성。수착온도유650℃승고지800℃，량충RDF산기적H2、CO급CH4농도균축점증가，산기열치화기화효솔동시제고。당량비증대시가연조분농도선략유증대후축점감소，단기체산솔불단증대。RDF1급RDF2분별재당량비위0.22급0.27처체도최가기화효솔。부양기화가유효개선기화품질，제승합성기열치，부양농도위45%시RDF1급RDF2합성기열치균체도최대，분별위8.6 MJ·m?3급9.2 MJ·m?3。
Enriched air gasification of two different refuse derived fuels (RDF) was performed in a bubbling fluidized bed reactor. Thermo-gravimetric analysis of the two RDFs was performed and the effect of temperature, equivalence ratio (ER) and oxygen percentage of enriched air was investigated. Both RDFs were composed of cellulose and plastics based materials. With increasing temperature from 650℃ to 800℃, concentrations of H2, CO and CH4 increased in both RDFs gasification. Gas yield and gasification efficiency were also improved. The combustible components first increased slightly and then decreased with increasing ER, while gas yield kept constant growth. The optimum ER values for RDF1 and RDF2 were 0.22 and 0.27 respectively for obtaining the highest gasification efficiency. The use of enriched air could improve gasification effectively and lead to higher heating value of the syngas. When oxygen percentage of enriched air was 45%, the maximum low heating values of the syngas for RDF1 and RDF2 were 8.6 MJ·m?3and 9.2 MJ·m?3respectively.