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In nearly 4,000 (sets) large-scale equipments to be installed in the project, the number of equipment purchases is 1,824 sets (sets) of oil refining equipment, of which 1764 (sets) are made in China, and 1775 sets (sets) of ethylene are purchased, of which domestically produced 1563. Sets). The localization rate of oil refining and ethylene equipment reached 91.5% and 78%, respectively. Compared with the requirements of the national development and reform commission approved project, the localization rate of equipment has been greatly improved, and the purchase investment has been saved by about 280 million yuan, which has effectively promoted the domestic equipment manufacturing industry. Level of improvement.
In the 10 projects of Tianjin Petrochemical that were included in the major localization of Sinopec's technology equipment, the development of an ethylene cracker compressor unit, a large four-row maze compressor unit and a cold box for a million-ton large-scale ethylene plant was included in the National Science and Technology Support Program. . After the ethylene cracking gas compressor unit was started, it operated continuously and smoothly. The unit was used well and the performance was stable. Each system reached the production and design requirements. The compressor efficiency was slightly higher than that of similar foreign equipment. The vibration of the compressor shaft was the highest 21.9 microns, which was lower than the API standard requirements. . The million-ton ethylene cold box market has been monopolized by foreign companies. Through independent innovation of the project, it not only designs and manufactures cold box equipment with advanced international standards, but also masters the core technology of millions of tons of ethylene cold box. Foreign companies' market monopoly and technology blockade. The device is operating normally. The hydraulic removal device of the lower head of the EO reactor is required to complete the overall disassembly of the head. At present, only 3 sets are in operation in the world, and all of them are made by Italian manufacturers. Domestically developed equipment has fine-tuning capabilities that are not available in similar foreign products, and its degree of automation and performance are higher than those of foreign products. Ethylene plant high temperature and high pressure valve reached the same level of imported products.
Up to now, with Tianjin Petrochemical's one million tons ethylene project, the domestically-manufactured equipment has been running smoothly, reaching or exceeding the same level of imported products.