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Nozzle and injection device for use in underground coal gasification process and method for operating injection device
Nozzle and injection device for use in underground coal gasification process and method for operating injection device
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机译:用于地下煤气化过程的喷嘴和注射装置和用于操作注射装置的方法
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摘要
An injection device, which comprises a nozzle and which is used for an underground coal gasification process; the nozzle and the injection device are used for continuously injecting a high-concentration oxidant into an underground coal layer during the underground coal gasification process, in which case the high-concentration oxidant may be used safely and steadily to obtain a high-quality and stable product gas, while a retraction cycle and/or a retraction distance of a retraction method in the existing technology may be greatly shortened, thus achieving the continuous and steady operation of the underground coal gasification process. Also disclosed is a method for operating the injection device.
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