Ammonia flow channel with water present
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This post was last edited by LQ198619 on 2018-1-11 at 19:29. I work in the ammonia flow operation area; I would appreciate some guidance from experts. There is water in the ammonia flow channel, and this situation doesn’t cause any problems after a few hours – all parameters are within normal ranges, the saturation tank resistance as well as the ammonia vaporization parameters are all normal. I just don’t know where the water comes from
Is the ammonium sulfate full-flow trough containing water? How did you know it contained water? Can you still tell it apart after mixing water with the mother liquor? If water is indeed carried in, consider whether there are leaks in the preheater and issues related to moisture in the gas, as well as whether any other gases containing water enter the saturator, such as ammonia gas from the top of the ammonia vaporization tower
Hello, sir. This is what happened to me: all the water supply valves were closed, yet water kept flowing from the overflow channel; after it flowed for a while, everything returned to normal. Ammonia was entering the saturator. The key point is that both the parameters of the ammonia vaporization tower and those of the saturator were normal, so I’m not sure where the ammonia was coming from. My master suggested checking whether there might be leaks in the preheater, but I’m not sure about that, as it’s not possible to detect any leaks on the surface. Please give me some advice, sir
Is the temperature of the mother liquor a bit higher than usual? If so, suspect a preheater leakage issue. Close the preheater steam valves, drain the water, and check whether there is any gas escaping from the steam pipeline
Check whether the temperature at the preheater outlet is controlled too low, causing coal gas condensate to enter the mother liquor system.
It’s possible that there is an internal leak in the mechanical seal, allowing cooling water to enter the system. Also, what about the sulfur ammonium crystal ratio? Are the particles normal?
I agree with your view. Also, could it be that the temperature of the gas is too low? The preheating temperature should be increased to allow more water to be carried away by the gas.
I agree with your view. Also, could it be that the temperature of the gas is too low? The preheating temperature should be increased to allow more water to be carried away by the gas.