DEVELOPMENT OF PLASTIC BOTTLES SHREDDER AND BRIQUETTING MACHINE
Keywords:
Shredder machine, Briquetting machine, Pneumatic systemAbstract
The objectives of this research are to develop a plastic bottle shredder and pelletizer using a pneumatic system. The research has designed a set of shredder blades in a shearing style with a plastic briquetting scheme using a pneumatic system. The plastic cube is 25 centimeters wide, 25 centimeters long, and 8 centimeters high. The test of the plastic shredder and pelletizing machine uses PET and HDPE plastic bottles. The test is conducted to determine the appropriate temperature for compressing plastic bottles into square pieces. The results showed that PET bottles had an optimum temperature of 80 degrees Celsius, while HDPE bottles had an optimum temperature of 70 degrees Celsius. The best process for cutting and pelletizing plastic bottles showed that PET plastic bottles used a temperature of 80 degrees Celsius in an average time of 19.41 minutes, and HDPE plastic bottles used a temperature of 70 degrees Celsius in an average time of 17.14 minutes. The obtained plastic is densely packed into rectangular lumps, and the working rate of the pneumatic plastic cutting and briquetting machine is the most suitable. It was found that PET plastic had a working rate of 3.09 bales per hour and HDPE plastic had a working rate of 3.5 bales per hour, respectively.
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