Quenching ring is a key spare part of coal-water slurry gasifier in large nitrogenous fertilizer plant,which can directly affect the stable operation of the gasifier. Through analysis of the problems existed in the quenching ring structure at the original startup,the number and direction of water distribution holes were improved reasonably,semi-circular rings were embodied into one forging,which is easy to clean and ensures uniform water film,thus improves the operating period of quenching ring. The process...
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