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Recently, after 48 hours of continuous struggle, the polyethylene unit of Yanneng Chemical Olefin Polymerization Center replaced the domestic extrusion granulator template, and completed the domestic transformation of the domestic largest diameter template, saving the company about 4 million yuan in cost
.
Since the beginning of this year, Yanneng Chemical Olefin Polymerization Center found that the pressure of the extrusion granulator template during operation has gradually increased.
The technical team of the center has determined that it is caused by the blockage of the template by monitoring the operation and analyzing the shape of the particles, and the template needs to be replaced
.