木屑半焦高溫水蒸氣氣化制備富氫燃?xì)庋芯?/H1>

發(fā)布時(shí)間：2018-08-20 16:58

【摘要】：在高溫固定床反應(yīng)器中,對(duì)木屑半焦進(jìn)行高溫水蒸氣氣化制備富氫燃?xì)�。在溫�?00~900℃、水蒸氣流量0.11~0.32 g/(min·g)(以焦炭計(jì),下同)條件下,研究了氣化溫度和水蒸氣流量對(duì)水蒸氣氣化制備燃?xì)庵械臍錃夂�、產(chǎn)氣率、熱值以及燃?xì)庵懈鹘M分體積分?jǐn)?shù)的影響。研究表明:水蒸氣通入過量會(huì)造成燃?xì)鉄嶂档慕档?在氣化溫度900℃、水蒸氣流量0.32 g/(min·g)時(shí),燃?xì)庵袣錃膺_(dá)到62.53%,燃?xì)鉄嶂禐?.99 MJ/Nm~3,燃?xì)猱a(chǎn)率為2.75 L/g。利用容積反應(yīng)模型和未反應(yīng)收縮核模型擬合試驗(yàn)數(shù)據(jù)得到了相應(yīng)的動(dòng)力學(xué)參數(shù),發(fā)現(xiàn)未反應(yīng)收縮核模型比容積反應(yīng)模型可以更好的描述木屑半焦的水蒸氣氣化行為,容積反應(yīng)模型所得到活化能為88.67 kJ/(mol·K),指前因子為2 976.55 min~(-1),未反應(yīng)收縮核模型所得活化能為91.78 kJ/(mol·K),指前因子為2 872.82 min~(-1)。
[Abstract]:Hydrogen rich gas was prepared by steam gasification of sawdust semi-coke in a high temperature fixed bed reactor. The effects of gasification temperature and steam flow rate on the hydrogen content, gas yield, calorific value and integral number of components in steam gasification were studied under the conditions of 700 鈩，

本文編號(hào)：2194344

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