Is pressure buildup purging in the gasifier feasible?
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In the HT-L powder coal gasification process, when purging is required for plant construction, can the pressure stored in the gasifier be used to purge the corresponding pipelines? Why did the designers suggest that pressure buildup using a vaporizer for purging is not acceptable? Are there any risks?
Purging depends on the method used; explosive purging is not feasible. Also, it is not acceptable to use a gasifier if its gas medium can cause corrosion in the pipelines being purged, or if the exhaust gases pose a risk to the environment. It should be possible if container pipelines are borrowed. It depends crucially on the physicochemical properties of the medium.