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["焦油加熱炉結焦的因素有哪些?ご教示ください各位大侠", "焦油加熱炉結焦的因素有哪些?请教各位大侠", ["()停工检修时炉管清理不良;()注汽量和进料量大幅度变化,炉管内流速大幅度降低;(3)燃烧不稳,火焰长短不齐或直扑炉管,造成炉管局部过热结焦; (4)对流炉温度超高4炉℃,超过临界反应温度且流速较低,造成结焦; (5)入炉炉两两分支长时间偏流; (6)原料性质变化太大,残炭炉炉或含盐量过大;(()仪表指示不准,导致炉炉温度偏高; (()控制炉指示仪表假象,造成判断错误。"]

2017-03-26View Original

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焦油加热炉结焦的因素有哪些?请教各位大侠
Reply #22017-03-26
(1)停工检修时炉管清焦不良; (2)注汽量和进料量大幅度变化,炉管内流速大幅度降低; (3)燃烧不稳,火焰长短不齐或直扑炉管,造成炉管局部过热结焦; (4)对流出口温度超高大于420℃,超过临界反应温度,且流速较低,造成结焦; (5)入炉流量,两分支长时间偏流; (6)原料性质变化太大,残炭值高或含盐量过大;(7)仪表指示不准,导致炉出口温度偏高; (8)控制及指示仪表假象,造成判断错误。

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