In the past two years, during the operation of the methanol plant, the failure rate of induced draft fan, compressor and canned pump has remained high. At the beginning of 2009, within two months after the methanol plant was opened, it cleaned the screened inlet filter 16 times, which restricted the improvement of production efficiency. Methanol plant technicians took measures around production problems and took effective measures to optimize the production process and received good results.
The methanol plant implements the “dynamic management of process control indicators†model, adjusts process control indicators based on load and operational effects, and determines key parameters adjustment methods and risk prevention measures at different loads. The technicians adjusted the first batch of technical parameters such as the ratio of boiler water to carbon, temperature, furnace negative pressure, secondary furnace temperature, and rectification heat load, and not only reduced natural gas consumption by 12,000 cubic meters per day, but also achieved stability exceeding 3% of design value. Methanol production. One increase or decrease in the index is equivalent to a daily increase of 27,700 yuan.
Technological transformation has expanded the space for cost reduction and efficiency enhancement. The Turpan-Hami Oilfield Plant insists on technological transformation, taps the potential of equipment, and adds pipelines between the two sets of feed pumps, making it possible to share a single feed pump when the equipment is operating at low loads, thereby reducing equipment power consumption. Only this one transformation will save more than 100,000 yuan in electricity bills this year.
The methanol plant implemented technical renovation of the methanol recovery tower, greatly improved the compliance rate of the alcohol-containing wastewater, and not only solved the problem of adjusting the return flow in the past to frequently adjust the opening of the valve to the site, but also greatly reduced the expense of unqualified wastewater recovery and treatment.
After repeated demonstrations, the technicians have successfully reformed a section of the furnace without condensing steam burners, which solved the problem that the acidity of refined methanol products did not reach the standard of superior grades, resulting in a 100% higher rate of methanol products, exceeding the quality of products. index.
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