Into the industrial park of Yangxin County, Shandong Province, in the product exhibition hall of Longfu Huaneng Technology Co., Ltd., "Economic Daily" reporter saw that there are more than 10 series of blankets, carpets, tapestries, clothing, etc. produced from waste plastic bottles as raw materials. More than 50 varieties.
Before woven a beautiful carpet, Luo Guoliang, deputy general manager of the company, said: "The processing of this carpet requires about 150 waste plastic bottles. The mineral water bottles and beverage bottles that are not used in people's lives are our precious raw materials."
The highlight of Longfu Huaneng Technology Co., Ltd. is to process blankets and garments from waste plastic bottles. It can “eat†200,000 tons of waste polyester bottles every year, “spit†80,000 tons of recycled polyester filaments, and weave 30,000 tons of environmental protection. Blankets and 10 million square meters of quality carpets can effectively solve the problem of waste polyester degradation and recycling. In 2016, the company became a national standard pilot unit for circular economy and obtained the “Green Fiber†certification from China Chemical Fiber Association.
In daily life, waste polyester bottles are everywhere, but few people pay attention to the huge resources it consumes. It is understood that China's annual production of polyester chips consumed by polyester chips is measured in millions of tons. The production of 1 ton of polyester requires 8 tons to 12 tons of oil, which means that a large amount of oil is used in polyester every year. Bottle making. When the polyester bottle is used up, it is thrown, which not only pollutes the environment but also wastes resources.
Compared with petroleum original polyester chips, polyester filament yarns produced from waste polyester bottle flakes have low raw material costs but are technically difficult. The company's technology of “recycling polyester filaments from waste polyester bottles†has solved the technical problems of using waste polyester bottle tablets and won 8 national patents.
In the Longfu Huaneng Raw Material Reserve Area, the reporter saw that the huge polyester blocks piled up in the mountains were bundled neatly. These plastic squares are pressed from discarded mineral water bottles, beverage bottles, and food plastic bags. “Each plastic box is about 1 ton in weight, and there are about 33,000 used polyester bottles inside. They can be made into colorful blankets after more than 30 processes such as slicing, cleaning, purifying, crystallizing, drying and melting. Luo Guoliang said.
Wang Dengxun is the person in charge of the Longfu Huaneng Bottles Workshop. He recalled the history of reengineering the process from the cleaning process in order to improve the utilization rate of used polyester bottles.
The crushing and cleaning process of waste polyester bottles faces many technical problems. If the cleaning is not complete, it will cause problems such as broken wires in the subsequent spinning process, which not only wastes materials but also consumes resources. In order to improve the cleaning effect, Wang Dengxun set up a technical group to carry out research on the research, and repeatedly revised the process, and finally formed a fully automatic technical process of convergence, cleaning and crushing.
Climbing up to a cleaning pool of more than 2 meters high, Wang Dengxun told reporters: "This pool used to be integrated. The fine material was cleaned after entering the pipe in the pool, but often impurities were not cleaned. Later we improved the process and changed the feed. In the direction of discharge, it is like cleaning the scrap in the drum, separating one pool into two, increasing the process to ensure the cleaning effect. This process transformation completely guarantees the cleaning of the scrap without impurities, and improves the utilization rate of the waste polyester bottle. ."
At present, Longfu Huaneng Technology Co., Ltd. has established good cooperative relations with hundreds of textile enterprises across the country. The market extends to more than 20 provinces, regions and cities, and the products are exported to Japan, the United States, Germany, Russia and other countries.
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