The sulfur dioxide levels in the coking plant’s waste gases are too high; I earnestly ask for experts’ guidance
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Coking production has been restricted; before the restrictions, the sulfur dioxide level was around 300, as indicated by the data from real-time monitoring systems. After the restrictions, the time required to produce coke doubled, and the sulfur dioxide level rose to around 50; this situation lasted for 15 days. Now production has returned to normal, but the sulfur dioxide level is now at 500. I would appreciate it if experts could advise me on what steps to take, as the desulfurization process has not been altered
Sulfur dioxide levels in coking plant exhaust are too high; address this by optimizing the desulfurization process and using more alkali
A post-desulfurization unit needs to be installed
In April, it was less than 100, and then it suddenly rose to 300. The desulfurization process was operating normally – nothing changed, not even the raw materials. Now, even the company doesn’t know what to do
Check whether there is any leakage in the coke oven structure. Generally, after pressing, a decrease in the positive pressure in the carbonization chamber can cause the graphite in the oven walls to burn away, resulting in leakage. Maintaining a positive pressure in the carbonization chamber helps the graphite to form a barrier that seals off the leakage points! !
What are the changes in the parameters before desulfurization, what is the change in the desulfurization rate, and what are the changes in the coal blending parameters? Also, has the load been increased too quickly? With such large fluctuations in load, it’s impossible for the desulfurization control parameters to remain unchanged; please provide a comparison
What process is used for desulfurization? It is recommended to check the operation status of the desulfurization system
Extending the coking time causes the graphite in the furnace wall of the carbonization chamber to burn out, resulting in leakage of raw coal gas from the furnace.
Last night, the smoke spread rapidly and settled noticeably downward; can it be confirmed that there was a leak?
Production has been restricted; efforts are being made to increase it. There have been changes in the coke ovens, with leaks occurring in the oven structures – this is a common problem in coke plants
Hydrogen sulfide accounts for 30%–35% of the sulfur dioxide in chimney exhaust, while leaks through the furnace walls account for more than half of it