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Successful one-time startup of Dawa Ammonia Production C Urea plant. Author/Source: Yunnan Dawa Ammonia Production Co., Ltd. Date: 2023-04-16. Clicks: 107. Due to market optimization adjustments, the C Urea plant of Dawa Ammonia Production was shut down. The management of the ammonia processing center attached great importance to the maintenance of this shut-down plant, requiring all staff to carry out thorough inspections, maintenance, and care of the equipment in accordance with the principle of \"continuing operations despite the plant being shut down\". In strict accordance with the company’s requirements, carry out rotor inspection on the standby units, perform regular inspections on schedule, report any issues found promptly for handling, and always be prepared for startup to ensure a successful start-up from the first attempt. Upon receiving the company’s notice to prepare for the commissioning of the C-urea plant, the management of the ammonia addition center established a dedicated commissioning team to ensure a successful start-up on the first attempt. On April 5, 2023, the company’s management supervised the process personally. Under the guidance of the operation team, the steam system was used to warm the pipes and detect leaks; once the leak detection tests were successful, the system’s temperature was increased gradually. On April 7, the temperature increase was successful, ammonia was introduced into the system, the system was put into operation, and evaporation and granulation processes began. Through the mutual cooperation of all relevant systems, the urea C system was brought online successfully, with safety and environmental protection considerations taken into account. Various process parameters were gradually optimized, production improved, and the production load increased steadily……