制取合格的还原煤气是富氧煤气化直接还原竖炉新工艺的技术关键。
It is the problem for direct reduction process with oxygen enriched gas generated from solid fuel to produce qualified reduction gas.
在半钢炼钢工艺下，通过优化转炉的供氧操作、提高操作水平、对煤气回收系统进行优化改造，提高了转炉煤气的回收量。
The recovery quantity of converter gas got increased in semisteel steelmaking process by means of optimizing oxygen feeding, improving operation level, reforming gas recovery system.
在适宜的汽氧比条件下，不同煤种纯氧-水蒸汽地下气化均可以获得中热值煤气。
On optimum ratio of vapor to oxygen, oxygen-steam gasification of different coal can produce middle heat value gas.
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