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On December 31, 2020, the Yanchang Yuneng Chemical Co.
, Ltd.
comprehensive utilization project of coal and oil resources with a total investment of 14.
414 billion yuan successfully completed the whole process of the test run
.
The project gives full play to the advantages of comprehensive utilization of resources of the first phase of Yuneng Chemical's start-up project and the potential of existing public works facilities.
While optimizing equipment matching and enriching product structure, it also increases production scale, optimizes and strengthens the polyolefin industry, and builds a new 1.
8 million tons /year methanol combined unit, 600,000 tons/year methanol-to-olefin unit, 300,000 tons/year low-density polyethylene/ethylene-vinyl acetate polyester (LDPE/EVA) integrated unit, 400,000 tons/year polypropylene (PP ) installation and supporting public works and auxiliary facilities
.
The project gives full play to the advantages of comprehensive utilization of resources of the first phase of Yuneng Chemical's start-up project and the potential of existing public works facilities.
This project is a key project during the "Thirteenth Five-Year Plan" period in Shaanxi Province.
Since the project started in September 2018, Yuneng Chemical Company has cooperated and worked hard with all participating units.
Overcoming many difficulties such as the long low temperature time and the sudden outbreak of the new crown epidemic, the project only took 23 months from the start of construction to the completion of the construction.
On the premise of ensuring safety and quality, it has created the fastest construction of a project of the same scale in China
.
This project is a key project during the "Thirteenth Five-Year Plan" period in Shaanxi Province.
On October 29th, the first main unit PP3 unit was successfully commissioned for a trial run; on December 10th, the DMTO unit was successfully commissioned and produced qualified polymer-grade ethylene and propylene; on December 28th, the methanol combined unit was successfully commissioned and MTO grade methanol was produced; on December 31, the LDPE/EVA unit was successfully put into operation
.
On October 29th, the first main unit PP3 unit was successfully commissioned for a trial run; on December 10th, the DMTO unit was successfully commissioned and produced qualified polymer-grade ethylene and propylene; on December 28th, the methanol combined unit was successfully commissioned and MTO grade methanol was produced; on December 31, the LDPE/EVA unit was successfully put into operation
.
During the test drive, Yunenghua created a number of records
.
During the test drive, Yunenghua created a number of records
.
Among them, in the absence of on-site guidance from the patent manufacturer for the PP3 device, the company's technicians overcame difficulties such as the complex production process, difficult operation, and "reversal" of the multi-zone reactor, and achieved a successful trial run
.
The LDPE/EVA unit pressurization/primary nitrogen combined transportation was successfully started once; the unit completed the precise installation of the LDPE/EVA unit secondary unit cylinder plunger in a total of 26 hours, and the progress set a new industry record; 24-hour shift work, overcoming unfavorable factors such as low temperature and snowfall in winter, the purging and air tightness of process pipelines are shortened by nearly 30 days compared with the original plan
.
