High inlet temperature of the coke oven gas compressor
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Due to the poor quality of coke oven gas, with high levels of tar and naphthalene, the cooling efficiency of the water coolers in each stage of the coke oven gas compressor is poor, resulting in high inlet temperatures at each stage, which severely affects normal operation. Do any experts have any good solutions? (The current use of low-pressure steam cooking water coolers does not yield significant results.)
Strictly speaking, such issues should be handled by the process prior to the compressor, as the raw gas they supply exceeds the capacity of the equipment. If the next processing step has to handle everything, the correct approach is to redesign and select a compatible compressor. Just like when you drink hot water, if it exceeds your tolerance level, it can cause burns. Hehe, the equipment can’t speak; it can only endure in silence. Once it’s pushed beyond its limits, accidents will occur. Not everything on the production line can be dealt with; there are limits to that. Respect science and act according to your capabilities. Cooler on the intake? Lower the cooling water temperature? Increase the heat exchanger area by replacement? ? ? Can you do it? ? ?
All I can do is blow on the cooler; the previous process has been abnormal, there’s nothing I can do about it.
If you are in charge, you should prepare a report outlining the current production conditions; once you get approval from higher authorities, your task will be complete. It’s wrong not to address the issues within one’s own organization.
Recognition isn’t an issue; the problem is that it can’t be done even earlier:shutup: Troublesome
Let’s instead investigate what exactly went wrong in the previous process.
Pure naphthalene can be easily removed; it can be completely cleared away by steam cleaning. Tar can also be easily eliminated using ammonia. In your case, it depends on how long it has been since the problem of poor heat exchange started. Strictly speaking, there should be no naphthalene or tar in the gas at later stages, or only trace amounts. Naphthalene should have condensed already in the earlier stages, and any small amount of tar can be separated through subsequent liquid separation processes. I’m not sure what temperature is required at the outlet of the compressor’s after-cooler; generally, it shouldn’t condense on the cooler. Moreover, steam makes it very easy to remove any condensed naphthalene. If steam cleaning isn’t effective, then other substances may be responsible for the condensation, and scale formation on the water side also needs to be considered. It’s important to control the quality of the cooling water. In any case, pre-treatment of the gas is very important and also cost-effective.
Thank you; there are many issues that we ourselves are aware of, but we just can’t solve them.
Remove tar and other impurities before air enters the compressor to ensure its proper operation