Puli Company: Successfully Completes Supply Chain Enhancement
Publish Time:
2025-02-06
On the morning of January 30, the second day of the Lunar New Year, the weather was severely cold.
On the morning of January 30th, the second day of the Lunar New Year, a cold wind blew. Li Keqi, a technician in the polymerization workshop 2 of Puli Materials Company, quickly changed into his work clothes and put on his safety helmet as soon as he arrived at the company. After understanding the production operation of the previous shift, he immediately plunged into his busy work.
Passing rows of neatly arranged pipes, Li Keqi came to the 6th floor of the polymerization unit building. After putting on his gloves, he mixed the light stabilizer and molecular weight regulator into an auxiliary agent and added it to the polymerization unit. "This is the first step in producing nylon 6 chips. Adding auxiliary agents is to adjust the viscosity of the chips to meet the needs of downstream production." said Li Keqi.
It is understood that nylon 6 chips are a key intermediate product in the group's nylon chemical industry chain, connecting caprolactam upstream and civilian silk downstream. As a key link in strengthening, extending, and supplementing the nylon chemical industry chain, Puli Materials Company has set "building a professional nylon 6 industrial base" as its goal. The company's second-phase 200,000-ton nylon 6 chip project's first two production lines started trial production at the end of last year, and the third production line also started trial production on January 25th. Thus, the second-phase project has entered the full-scale trial production stage.
In November 2023, Li Keqi graduated from the Materials and Chemical Engineering major of China University of Petroleum and joined Puli Materials Company, just in time for the start of construction of the second-phase project. From equipment installation and commissioning, Li Keqi has been working with his colleagues on the front line of project construction. In May last year, a large number of equipment needed to be lifted and installed. To ensure that the equipment was installed in place, Li Keqi spent the whole day at the installation site, checking each piece of equipment with drawings, checking each valve one by one, and conducting flushing, pressure testing, and leak testing of the entire production line with his colleagues before trial production to ensure that the production line met production requirements.
Last Spring Festival, he spent it at the project site. "My hometown is in Anyang. Although I haven't been able to reunite with my family during the Spring Festival in the past two years, I feel very proud to see the project successfully put into operation." said Li Keqi.
Following Li Keqi's footsteps, the reporter came to the core production process - the polymerization process. Li Keqi said that this process includes four reaction steps. The German polymerization reactor introduced in the second-phase project has more stable polymerization performance than the first-phase equipment, and the high-quality semi-matte and full-matte nylon 6 chips produced can significantly reduce the phenomenon of broken filaments in downstream spinning.
Then, Li Keqi came to the granulator, lifted the equipment cover, and checked the sprinkler device with a flashlight, finding no abnormalities. "Now many operations can be performed in the central control room, but we must also strengthen on-site inspections. If problems such as poor feeding, uneven knife gap, or sprinkler failure occur, we must deal with them in time to ensure continuous production." said Li Keqi.
In addition to requiring "safe, stable, normal, full, and excellent" production, the company also requires strict control of product quality during the trial production stage, and continuously develops high-end products based on the personalized needs of downstream customers, arranges production reasonably, and reduces the frequency of product changeovers as much as possible.
Speaking of his New Year's wishes, Li Keqi told the reporter that he hopes to contribute to the company's high-quality product output through his own efforts, make progress in his work, get engaged to his girlfriend, buy a house, realize his dream of settling down in Pingdingshan, and make a greater contribution to the company's development.
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