How to recycle plastic film

The recycling and washing line of PE film/agricultural film, PP woven bag/ton bag/baling bag is characterized by effective removal of plastic film containing sediment.

With the continuous development of agricultural technology and the improvement of people's living standards, agricultural film and greenhouse film have been widely used in agricultural technology, bringing huge benefits to the great development of agriculture and the improvement of crop varieties. However, the large-scale application of agricultural film also brings huge problems to land pollution and recycling. In addition, due to the application characteristics of agricultural film, there is a lot of sediment; it also brings huge problems to the recycling process. In view of this situation and the characteristics of agricultural film. We have developed a proprietary agricultural film cleaning, recycling and granulation production line to solve the problems of sediment and water use in agricultural film recycling. At the same time, it solves the technical difficulties of dehydration, drying, granulation and high yield. At present, it has been well applied in China. The specific process route is as follows:

Due to the high content of mud and sand (50-60%), there are many difficulties in recycling, and the wear problem is very large, especially the wear of crushing tools and equipment is very large, which seriously affects the output. According to its characteristics, the hydraulic baling and shearing machine is first used to pack the messy ground film, and then cut it according to 150-200MM. Each block is cut 5-7 times, and then it is conveyed by belt conveyor for magnetic separation to select magnetic metals, and then enters the drum screen to loosen the material in the drum screen, and the mud and sand are initially discharged through the mesh, and then enter the sand maker. Through high-speed rotation, the mesh on the barrel is provided to remove some small debris and mud and sand. And small metals are discharged, and then enter the crushing crusher. At this time, the material contains about 10% sediment, which greatly reduces the wear of the crusher and cutter. The crushed material is cleaned by high-speed spiral and desanded by sand remover, and then enters the beating and washing separator. The material stretches in the water, and the sand is further removed by the beating of the double shafts. It is separated from the sediment, and then enters the low-speed friction washing for further cleaning, and enters the next level rinsing tank for cleaning and separation. The spiral feeding plastic enters the squeezer. The extruded material is in a semi-plasticized state with a water content of about 7-8%. It is sent into the storage room by air for natural evaporation of water, and then granulated. Side feeding forced feeding and two-stage filtration and water ring granulation are adopted.