耦合高温堆的氦加热无机膜重整器的数值研究  

A numerical study on helium-heated inorganic membrane reformer coupling to HTGR

作　　者：银华强[1] 姜胜耀[1] 居怀明[1] 张佑杰[1] 

机构地区：[1]清华大学核能与新能源技术研究院,北京100084

出　　处：《核科学与工程》2006年第4期321-326,共6页Nuclear Science and Engineering

摘　　要：基于拟均相一维模型,对耦合高温堆的氦加热无机膜重整器建立了一个稳态的数学模型,开发了相应的计算程序。结果表明:氦加热无机膜重整器的平均热流密度比常规的氦加热重整器高约25%,这样可实现紧凑的重整器结构,对于整个系统的安全性和经济性具有很重要的意义。利用氦加热无机膜重整器能获得高达95%的甲烷转化率,而压力损失只是略有增加。当膜厚度比较小和吹扫比比较大时,甲烷转化率随着重整压力的增加而增大,这样高温堆甲烷蒸汽重整制氢系统的高压将由不利条件变为有利条件。Based on one-dimension quasi-homogeneous model, a steady-state model has been developed for the helium-heated inorganic membrane reformer coupling to high temperature gas-cooled reactor （HTGR）. And computer program is developed. Results show that the average heat flux of inorganic membrane reformer is 25 % higher than the conventional one. A compact reformer can be designed, which is significant to safety and economics of the system. Methane conversion rate of 95% can be, achieved with inorganic membrane reformer while pressure loss increases a little. With thin membrane thickness and high sweep ratio, methane conversion rate increases with high reforming pressure. This changes the unfavorable condition of high pressure of HTGR methane reforming hydrogen production system to favorableone.

关 键 词：高温气冷堆 氦加热无机膜重整器 制氢 

分 类 号：TL417[核科学技术—核技术及应用] TQ02[化学工程]