褐煤地下气化制氢工艺的研究  

TECHNOLOGY FOR PRODUCING HYDROGEN THROUGH UNDERGROUND BROWN COAL GASIFICATION

作　　者：梁杰[1] 冯银辉[1] 张彦春[1] 国汉斌[2] 

机构地区：[1]中国矿业大学(北京)化学与环境工程学院,北京100083 [2]大雁煤业有限责任公司,内蒙古呼伦贝尔021122

出　　处：《化工学报》2004年第S1期39-43,共5页CIESC Journal

基　　金：国家高技术研究发展计划资助项目(No.20001AA529030)

摘　　要：进行了大雁褐煤纯氧、纯氧-水蒸气和空气-水蒸气两阶段地下气化制氢工艺模型实验;研究了鼓氧量及汽氧比对煤气中的氢含量、气化过程稳定性的影响。实验结果表明,褐煤地下气化初期纯氧气化可以获得含氢量在40％以上煤气,鼓氧量会影响煤气中的含氢量和热值;富氧-水蒸气气化也可以获得含氢量在40％以上煤气,汽氧比影响煤气中的含氢量和各组分含量,实验条件下适宜的汽氧比范围为1:(1.5～2);两阶段气化第二阶段可获得富含氢的煤气,但产量较小。因此,褐煤地下气化可稳定生产高含氢的煤气,该煤气在地面处理后可作为提取纯氢的原料气。Based on the model experiment of underground gasification of Dayan brown coal, the gasification technology of 'pure oxygen', 'rich oxygen-steam', 'air-steam, two stages' for producing hydrogen were researched. The effect of the oxygen flow and the rate of steam-oxygen on the content of H_2 in the gas and stability in the whole gasification process were studied. The results show that the gas with H_2 (over 40%) can be achieved by blasting pure oxygen at the beginning of underground brown coal gasification, a...

关 键 词：褐煤 地下气化 制氢 工艺 

分 类 号：TQ116.2[化学工程—无机化工]