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[Problem-Solving Database] The outlet temperature of one waste heat boiler is significantly higher than that of the other boilers; analyze the reasons and outline the solutions

2015-10-19View Original

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This post was last edited by Guan Gongyu on 2015-10-20 at 21:42. The exit temperature of one waste heat boiler is significantly higher than that of the other boilers; analyze the reasons and briefly describe the solutions. Answer: Reasons: (1) The feed rate to the furnace tubes associated with this TLE is too high. (2) The COT of the furnace tubes related to this TLE is high. (3) Severe coking has occurred in the furnace tubes of this TLE. Solutions: (1) Reduce the feed rate to the furnace tubes appropriately. (2) Adjust the exit temperature of the furnace tubes. (3) Shut down the boiler to remove the coke
Reply #22015-10-20
The outlet temperature of one waste heat boiler is significantly higher than that of the other boilers. Analyze the reasons and briefly explain the solutions. Answer: Reasons: (1) The feed rate to the furnace tubes associated with this TLE is too high; it could also be due to scaling inside the tubes or poor flow of BFW, among other possibilities. Solution: (1) Appropriately reduce the feed rate to the furnace tubes
Reply #32015-10-20
There’s been a lot of discussion about ethylene lately, and I’ve learned quite a bit. The original poster, please continue – thanks. A high outlet temperature of the waste boiler may also be due to coking in the waste boiler.

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