Daqing Petrochemical Company's 1.2 million ton ethylene renovation and expansion project site, the main construction of the central control room, a group of construction workers are in the process of equipment wiring and commissioning, a total investment of 12.95 billion yuan of large ethylene renovation and expansion project began to "close". It is reported that the ethylene modification and expansion project will be completed before June 30th, and the entire process will be completed before October 1st. It will be commissioned and tested to produce qualified products. This year is the year for the completion of the 1.2 million tonne ethylene renovation project in the China Railway and Feeding Commissioning Year. It will complete the process of pipe welding with 138,499,000 inch equivalents, 1168 test pressure packs, 929 stand-alone trials, 37,7230,000 cubic meters of insulation, and instrumentation equipment installation. Commissioned 8972 sets (pieces). In order to build a large-scale ethylene renovation project into a high-quality, safe, green and sunshine project, to achieve a safe, smooth and efficient first-time drive, Daqing Petrochemical made detailed deployment of the engineering “shut-in†work while ensuring project safety and quality: Before the end of March, all the process pipelines were welded and the conditions for full pressure testing were available. The public utility unit, the circulating plant of the fertilizer plant, and the entire plant network were all put into use. From March 31st to May 30th, production equipment process pipelines and heat exchanger equipments were pressure tested, and the dynamic equipments were put into trial operation. The installation of electric instruments was completed, the insulation was basically completed, and the purge work entered a peak stage. From May 31 to July 25, the device was purged with airtightness and joint adjustment, and anticorrosive insulation entered the final stage. From July 26 onwards, the downstream device began to drive down and prepare for the joint test run. At present, Daqing Petrochemical's relevant departments and secondary branch plants have been involved in project construction throughout the project, with the formulation of plans, 3D model review and signing of technical agreements, and the “three inspections and four verifications†have been carried out to ensure that the project construction is closely integrated with the actual production and production preparation work is achieved. With the construction of large ethylene renovation and expansion project, it will be coordinated and promoted.
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