The principle of waste plastic recycling machine to get fuel oil
Date:2013-06-26 16:16:21 / News
Maybe you are very puzzled to the process of waste plastic recycling machine, scrap plastic pyrolysis machine,now let Holly, a member of Xinxiang Doing Renewable Energy Equipment Co., Ltd, explain the principle to you:
The process of refining oil with waste plastic recycling machine is very scientific. Plastic, also known as polyolefin, which use small molecules olefins of oil, after polymerize through high voltage to become. Waste plastics are cracked by using depolymerizing agent and cracking with catalyst, and then molecules will transform into small molecules, then into fuel oil.
1. Due to the different composition of waste plastics, the cracking behavior also are not identical. polyethylene (PE), polypropylene (PP) and polystyrene (PS) in the 300-400 ℃ can almost be decomposed. And polyvinyl chloride (PVC) in the 200-300 ℃ and 300 ℃-400 two period. HCL can be released at the low temperature, then more hydrocarbon. And then further decomposition will be processed in high temperature.
2,Due to the different molecular structure, the composition of pyrolysis products and the recovery is not the same. Generally, the products of pyrolysis are as follow:
Fuel Oil (40% to 45%)
The main oil product produced by our recycling application is the fuel oil that is wide used for industrial and commercial purposes. The oil has 40% to 45% of the amount of recycled scrap tyres, which will be carried with licensed tanker trucks.
The second product of tyre pyrolysis plant is carbon black. The quantity of carbon black is about 30%to35% according to tyre quality. The use of carbon black is as a chemical strengthener in rubber and coloring agent in pigment industries. This carbon black price is very competitive compare to petroleum carbon black, so our pyrolysis carbon black is good option in stead of petroleum carbon black.
Steel Wire Scrape ( 10% TO 15% )
The third product of tyre pyrolysis plant is steel wire, the quantity of steel wire is about 10% to 15% according to tyre quality. Its very easy to sales steel wire scrape in local market.
Pyrolytic Gases ( About 10 % )
We get pyrolytic gases during process about 10% of waste tyre. The main component of this gases are methane ( CH4 ), so we can not condense and store this gases. We use this gases to heat the reactor and we can use exceed gases for other heating application.