China Drying Network In order to do a good job in the localization of the 350,000-ton/year LLDPE (linear low-density polyethylene) equipment extrusion and granulation unit in the Sino-Anglian coal chemical project, the China Petroleum & Chemical Corporation's Materials and Equipment Department organized the Sinopec Engineering Construction Company. , Zhong'an United Coal Chemical Company, Da Rubber (600346) and other invited experts and invited experts at the site of the large rubber and plastics, held a review of the localized technical scheme for the 350,000-ton/year LLDPE unit extrusion granulation unit of the Sino-Anglian coal chemical project .
Participants discussed and reviewed the overall technical plan of the 350,000 t/y LLDPE plant extrusion and granulation unit of the company. The experts all agreed that the domestically produced technology program provided by Da Rubber and Plastics is reasonable and feasible, and it can satisfy the joint Design requirements for a 350,000 tonne/year LLDPE unit.
The large-sized extrusion granulation unit is a key equipment in a large-scale ethylene plant. It has complex process flow, strong compatibility, and is difficult to design, manufacture, and operate. It is a large-scale complete set of integrated machine, electricity, and instrument. At present, only four companies in the world can produce. Except for rubber and plastics, the other three are Japan Steel, Kobe Steel and Coperion Germany.
In recent years, based on continuously summarizing the experience of localization of large-scale extrusion granulation units, the company has carefully studied and analyzed the manufacturing level and usage of similar international units, and optimized the unit configuration and key structures. Up to now, the company has successively developed and delivered large-scale extrusion moldings using various specifications and models such as 100,000 tons/year, 150,000 tons/year, 200,000 tons/year polypropylene, and 250,000 tons/year polyethylene. The granulator broke the monopoly of domestic large-scale ethylene extrusion granulator market by foreign companies.
At present, from the feedback of users and the tracking of products, large-scale pelletizing units delivered by Dazhou Rubber and Plastic Co., Ltd. have been operating smoothly and all technical indicators have met the requirements for use. Recently, the company has also signed the first equipment purchase contract for a 300,000-ton pelletizing unit with the China Petrochemical Materials and Equipment Department. The localized technical solution for the 350,000-ton large-sized extrusion granulating unit has passed the evaluation, marking the company’s large scale The development of granulation achieved a leapfrog development.
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