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Steam production for sulfuric acid production from 220,000 tons has declined

2017-02-19View Original

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The company’s 220,000-ton sulfur-based sulfuric acid production plant has been in operation for 7 years. Currently, both sulfuric acid production and steam production have declined, with a particularly significant drop in steam production. Reduced from 32 tons per hour to 27 tons. I’m asking experts to help analyze where the problem might lie
Reply #22017-02-19
Hehe, production has dropped already, yet the steam level hasn’t gone down. Let’s focus on restoring production first
Reply #32017-02-19
If the catalyst has already affected production, then the conversion rate will be poor long before 1:30; it’s hardly possible for the plant to continue operating. My guess is that as time goes on, the system resistance increases, the airflow decreases, and as a result production drops as well. The amount of steam produced will also decrease – but this is just a guess, as too few details have been provided by LZ
Reply #42017-02-19
When the system is operating normally, the shift production is around 225 tons (over 8 hours), with a medium-pressure steam output of 32 tons per hour. The current batch production volume is around 210 tons, with medium-pressure steam at 27 tons per hour.
Reply #52017-02-19
What you say makes a lot of sense. Which part do you think is blocked?
Reply #62017-02-20
What process do you use to produce acid?
Reply #72017-02-20
It’s hard to judge this just yet; the entire manufacturing process is so complex and involves so many pieces of equipment that it’s impossible to analyze it in just a few words. The original poster needs to conduct a more thorough analysis and inspection.
Reply #82017-02-21
The steam yield per ton of acid has dropped significantly, from 1.2 to 0.8

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