Pyrolysis Plant FAQ /Technology

FAQ of pyrolysis plant / DATE:2021/7/9

When customers buy waste plastic pyrolysis plant, they will ask: Whatis the oil yield of waste plastic pyrolysis plant? How much pyrolysisoil can be extracted from 1T waste plastic? The oil yield refers to howmuch pyrolysis oil can be extracted from 1T plastic. The oil yield ofdifferent plastics is different. Generally speaking, 1T plastic can getabout 600KG of pyrolysis oil.The oil yield of waste plasticsmainly depends on two aspects, one is the type of material, and theother is the equipment. Next, let's analyze it in detail.

Waste plastic pyrolysis plantWaste plastic pyrolysis plant

1.Types of plasticsGeneralplastics can be used for pyrolysis, and different plastics havedifferent oil yields. The following is a reference for the oil yield ofdifferent plastics: the oil yield of pure PE plastic can reach about95%, the oil yield of pure PP/PS plastic is about 90%, the oil yield ofpure ABS plastic is 40%, and the oil yield of pure white plastic clothplastic can reach 70%, and the oil yield of household plastic waste is30-50%.In addition, the water content of the plastic will alsoaffect the oil yield. The higher the water content of the plastic, thelonger the pyrolysis time and the lower the oil yield. Therefore, if thewater content of the plastic is too high, the customer can first drythe plastic and then pyrolysis it.

Plastic oil yieldPlastic oil yield

2. Cooling system of waste plastic pyrolysis plant.Thecooling system of waste plastic pyrolysis plant can condense the oilgas produced by pyrolysis reaction into oil. Therefore, the quality ofthe cooling system directly affects the oil yield of the plastic. Atpresent, there are two types of condensers on the market, one is thewater tank condenser and the other is the tube cooling system.Thewater tank condenser is a water tank filled with water with some coilsinside. The heat exchange area of the water tank condenser is relativelysmall, the cooling water is not circulated in time, and the watertemperature is high. Therefore, the cooling effect is relatively poorand the oil output rate is relatively low.Doing Group waste plastic pyrolysis plantadopts professional tube cooling system. The three-step cooling systemincludes two vertical condensers, two horizontal condensers and twocooling towers. The three-step cooling system has a large heat exchangearea and a large oil gas contact area. The cooling area is 1.5 timesthat of the oil gas, which can fully cool the oil gas and have a highoil yield.

Cooling systemCooling system

Aboveall, how much pyrolysis oil can be extraced from 1T plastics mainlydepends on the type and purity of plastics, as well as the quality ofthe waste plastic pyrolsis plant and the operating specifications of thestaff during the operation process. Doing Group provides two types of waste plastic pyrolysis plant:batch waste plastic pyrolysis plant and continuous waste plasticpyrolysis plant, the daily capacity is between 3 tons and 60 tons. Ifyou want to know more information about waste plastic pyrolysis plant,welcome to contact us feel free.

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