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中文摘要：
分析了鄂庄煤炭地下气化工程自投产以来产气量低且不稳定的原因。研究了空气连续气化、富氧气化、富氧-水蒸气气化等参数,探索鄂庄煤层地下气化规律,认为可采用脉动两阶段工艺提高煤气热值。当煤层气化最佳气、氧体积比为1.4:1,氧气体积分数为40%时,气化效率较高。在气化过程中,需根据气化工作面、高温温度场的移动及煤气组成的变化,采用辅助孔气化、反向气化等辅助气化工艺,维持气化煤层高温温度场,提高煤层气化效率,保证气化过程连续稳定进行。该结论为2号炉建设及采用富氧-水蒸气连续气化工艺提供理论依据,二期工程在此基础上实现了煤层地下气化的稳定高产。
英文摘要：
The paper analyzed the cause of the low gas production and unstable production since the E zhuang underground coal gasifica- tion project in production.The paper studied the parameters on the continued gasification with air,gasification with rich oxygen and gasifi- cation with rich oxygen and steam.The paper discovered the underground coal gasification law in seam of E zhuang Mine.The paper held that the pulse two stage technique could improve the gas heat value.When the seam gasification with the optimized...
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