Plastic recycling unit

Abstract

The invention provides a plastic recycling unit which comprises a separation device, a rinsing tank, a drying machine, a material mixing machine, a conveying device, a spiral feeding machine, a spiralextruding machine, a first filter, a melt pump, a second filter, a homodromous spiral extruding machine, a pelleting die head, a water ring pelletizer and a material receiving device, wherein a mainfeeding hole of the homodromous spiral extruding machine is connected with the second filter, and an auxiliary feeding hole of the homodromous spiral extruding machine is connected with a feeding machine; an air outlet is also formed in the spiral extruding machine and / or the homodromous spiral extruding machine; the air outlet is connected with a gas purification device; therinsing tank is also connected with waste water treatment equipment; a waste water outlet of the waste water treatment equipment is connected with the water ring pelletizer; and a water outlet of the water ring pelletizeris connected with a water inlet of the waste water treatment equipment by a pipeline. According to the plastic recycling unit provided by the invention, the technical problems in the prior art of being high in energy consumption in plastic recycling and large in amount of impurities and polluting the environment are solved.

Description

technical field

[0001] The invention relates to the technical field of plastic processing, in particular to a plastic recycling unit. Background technique

[0002] With the development of industry, all kinds of plastic products have entered thousands of households, and the plastic waste is also increasing day by day. All kinds of plastic packaging, plastic containers, plastic toys and stationery, plastic shoes, plastic home appliance casings, vehicle bumpers, plastic pipes, industrial waste, etc., can be seen everywhere, causing great environmental pollution. According to relevant data, in 2011, the amount of waste plastics recycled in my country reached 15 million tons.

[0003] There are three main ways to deal with waste plastics in my country: (1) Landfill, (2) Incineration, (3) Recycling and granulation.

[0004] At present, the method of recycling waste plastics usually includes the following steps:

[0005] Step 1: Wash and dry the waste plastic;

[0006] Step 2: ...

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