褐铁矿催化作用下生物质高温水蒸气气化实验研究

Experimental study of high temperature steam gasification of biomass under the catalysis of limonite

中文关键词: 生物质  褐铁矿  高温蒸气气化  热值  热能产出

英文关键词: biomass  limonite  high temperature steam gasification  calorific value  heat output

中文摘要:

      针对生物质气化过程中焦油量大、产气率低等问题，应用高温水蒸气催化气化的方法提高了产氢率，增大了生物质能源的利用率,本高温蒸气气化实验研究以内配褐铁矿粉的松木屑成型颗粒为气化原料，采用廉价易得的褐铁矿作为催化剂，以高温水蒸气作为气化剂。通过实验得出，在配比15%褐铁矿，气化温度750℃、蒸汽流量0.89kg/h条件下，1.5kg成型颗粒1小时总产气量为800L，氢气含量为55.28％，气体热值为11.31MJ/m3，与无添加相比，产气量增加了11.1%，总热能产出增加了5.78%，气化终温850℃下，产气量970L，氢气含量57.13%，热能产出量达到了10.33MJ。

英文摘要:

      Aiming at the problem of large amount of tar and the low gas production rate, the method of high temperature steam catalytic gasification is used to improved the rate of hydrogen production and utilization of biomass energy. The high temperature steam gasification experimental study was done by using the pine sawdust particles as the gasification raw material which was mixtured of limonite powder and the limonite as catalyst which is cheap and easy to get., high temperature steam as gasification agent. Through the experiment, 1.5kg pine sawdust output gas volume 800L totally in one hour and the highest hydrogen content is 55.28% and gas calorific value is 11.31MJ/m3 under the condition of adding 15% limonite, gasification temperature 750℃ and steam flow 0.89kg/h, compared with the blank experiment，the gas production increased by 11.1% and the total heat output increased by 5.78%, under the gasification temperature of 850℃,gas production is 970L，the hydrogen content is 57.13%，the heat output reached 10.33MJ.