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功能用途
合成氣被送入(ru)硫保護容器(qi)以去(qu)除殘留的(de)(de)催化(hua)劑毒(du)物(wu)(wu),然后分(fen)成兩(liang)部(bu)分(fen)。部(bu)分(fen)進(jin)料與循環氣混(hun)合,并(bing)通(tong)過第(di)一(yi)甲烷(wan)化(hua)反(fan)(fan)應器(qi),變換和(he)甲烷(wan)化(hua)反(fan)(fan)應發(fa)生(sheng)(sheng),在放熱反(fan)(fan)應中產生(sheng)(sheng)富甲烷(wan)的(de)(de)產品(pin)(pin)。來自第(di)一(yi)甲烷(wan)化(hua)反(fan)(fan)應器(qi)的(de)(de)產品(pin)(pin)通(tong)過產生(sheng)(sheng)高壓蒸汽(qi)(qi)而被冷卻,然后與剩余(yu)的(de)(de)進(jin)料氣相混(hun)合。氣體混(hun)合物(wu)(wu)進(jin)入(ru)第(di)二甲烷(wan)化(hua)反(fan)(fan)應器(qi)。在再產生(sheng)(sheng)高壓蒸汽(qi)(qi)而冷卻后,來自反(fan)(fan)應器(qi)的(de)(de)產品(pin)(pin)物(wu)(wu)流被分(fen)流,一(yi)部(bu)分(fen)提供循環氣體進(jin)入(ru)第(di)一(yi)甲烷(wan)化(hua)反(fan)(fan)應器(qi),其余(yu)部(bu)分(fen)通(tong)過調節甲烷(wan)化(hua)段和(he)。