Maoming Petrochemical launched 12 scientific research projects in response to equipment corrosion problems. Among them, the high-parameter typical pressure equipment long-term on-line measurement monitoring technology research, wet sulfuric acid corrosion status monitor research and field application of two projects have passed technical appraisal; new corrosion-resistant stainless steel - carbon steel composite pipe heat exchanger research and development 5 The project has been completed; two new projects such as the research and development of a series of wear-resistant and corrosion-resistant valves have entered the industrial test stage.

Since last year, Maoming Petrochemical has strengthened its scientific research work on anti-corrosion equipment and tackled key projects. They dealt with the reality of processing sulfur-containing crude oils with acid and fully developed the demulsifier's comprehensive optimization and screening, and formulated economic demulsifiers suitable for processing acid-containing crude oils. At the same time, the company actively applied advanced detection technology, and vigorously promoted the use of ultrasonic testing instead of ray detection. Ultrasonic testing was used extensively in refinery inspection and overhaul operations. In addition, Maoming Petrochemical also adopted measures such as reducing the pressure vessel opening rate, while ensuring the effectiveness of inspections, while greatly reducing the cost of inspection, shortening the maintenance period, the company can save more than 3 million yuan inspection fee each year.

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