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I would like to ask everyone: why does the liquid level drop when loading is increased after feeding is completed in the Texaco gasifier, and it cannot be raised to a level of 30–33%? How long are normal downcomers and upcomers?
What are the amounts of quench water and soot on the gasifier grate? What are the water supply and drainage volumes for the scrubber tower? Is there water in the vaporizer? Have the rising and descending pipes of your vaporization furnace been modified?
If the cooling water volume does not keep up when loading is increased, it is very likely that the loading operation is carried out too quickly, resulting in severe water accumulation in the gasifier. Handle it according to the condition with water present
After replacing the downcomer, the vaporizer is free of water
Without water; 220 cubic meters of water added to the scrubber tower, with an outlet temperature of 233 degrees
I wonder what the original poster’s basis is for being so certain that water isn’t needed?
How did you determine that the gasifier has no water?
Where is the water supply for the scrubber tower? The volume is 220 cubic meters and the temperature is 233 degrees. Where should the water from the vaporizer be sent?
Gasifier drain: 210; Quench water: 550; Wash tower drain: 55; Wash tower make-up water: 220; Wash tower outlet temperature: 233; Tray stability: 244
We once had a furnace in which, after replacing the downcomer, all other operating conditions remained unchanged; however, the liquid level was low, and no matter what we tried, nothing worked. It continued to operate in this condition for 2 cycles, after which everything returned to normal. After shutting it down during the first cycle, I conducted a thorough inspection and found no abnormalities. Eventually, the only explanation we could come up with was that the heat load was high, and the new balance hadn’t been disrupted; Looking forward to more discussions from everyone
Well, it’s fine to stop and check, but at half load everything is okay, while it drops down when the load is full