特殊条件下的一段炉升降温方法

METHODS FOR TEMPERATURE RISE AND DROP IN PRIMARY REFORMER UNDER SPECIAL CONDITIONS

中原化肥厂合成氨装置由于修复过渡段保温材料，在过渡段降温及一段炉升温方法上采取了特殊措施，特别是一段炉升温采取了先点火的升温方法。

In the repairment of the heat preservation material of the transition sec tion in ammonia plant of Zhongyuan chemical fertilizer factory,special measures were adopted for the temperature drop in the transition section and temperature rise in the pri mary reformer.Especially in the Primary reformer,temperature rise starts from 'lighting a fire”.