Waste plastic recovery and granulation method and device thereof
A technology of waste plastic and granulation device, which is applied in coating and other directions, can solve the problems of uneven color, performance and size of plastic particles, easy adhesion of plastic particles, high production cost, and achieve uniform size, no noise pollution, no noise pollution, no Effects of dust pollution
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[0032] Example 1
[0033] The described waste plastic recycling granulation method comprises the following steps:
[0034] Soak the recycled waste plastics in cleaning agent for 30-60 minutes, then wash and dry with clean water;
[0035] The dried waste plastics are crushed and melted, and plastic modifiers are added to modify the melt;
[0036] The modified molten liquid is sent into the granulation tower 21, and after being distributed by the distributor 3, the molten liquid becomes droplets and falls into the water tank 4 to form plastic particles. The plastic particles enter the cooling box 9 through the feeding pipeline 19, and the cooled The plastic particles are sent to the storage bin 11 by the material distribution device 10 to obtain plastic particles recovered from waste plastics.
[0037] The water flowing out of the cooling box 9 and the storage bin 11 enters the clean water tank 15, and after being purified by the clean water tank 15, it is respectively sent to...
Example Embodiment
[0045] Example 2
[0046] The waste plastic recycling and granulation device includes a granulation tower 21, a cooling box 9 and a storage bin 11. The upper part of the granulation tower 21 is provided with a distributor 3, and the distributor 3 is connected with the injection port 1 to form a granulator. The lower part of the pellet tower 21 is provided with a water tank 4. The water tank 4 and the cooling box 9 are connected through a feeding pipeline 19. The cooling box 9 is provided with a material distribution device 10.
Example Embodiment
[0047] Example 3
[0048] The waste plastic recycling and granulation device includes a granulation tower 21, a cooling box 9 and a storage bin 11. The upper part of the granulation tower 21 is provided with a distributor 3, and the distributor 3 is connected with the injection port 1 to form a granulator. The lower part of the pellet tower 21 is provided with a water tank 4. The water tank 4 and the cooling box 9 are connected through a feeding pipeline 19. The cooling box 9 is provided with a material distribution device 10.
[0049] Further, the feeding pipeline 19 is provided with a double screw feeding propeller 5, and the double screw feeding propeller 5 is composed of two screws whose helical teeth 23 are meshed with each other.
[0050] Further, the feeding pipe 19 is inclined upward at an angle of 10-30° with the horizontal direction, and the double-screw feeding propeller 5 is driven by the motor 6 .
[0051] Further, the bottom of the cooling box 9 is provided with...
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