Plastic pyrolysis products and process flow

2024-08-08

The products of plastic pyrolysis vary with the type of plastic and the temperature of decomposition. Generally, the higher the temperature, the higher the proportion of gaseous hydrocarbons. Plastic containing chlorine, cyanide group, thermal decomposition products generally contain HCI and HCN, and plastic containing less sulfur, thermal decomposition of the oil content is correspondingly low, is a high-quality low-sulfur fuel oil.

Since the plastic has a low thermal conductivity of 0.07-0.3kcal/(m•h• C) (equivalent to dry wood), when heated to the melting point temperature (100-250 ° C), the central temperature is still very low, continue to heat, the external temperature can reach more than 500 ° C and produce carbonization, and the internal temperature can reach the degree of melting. Because external carbonization interferes with internal decomposition, the thermal efficiency is low. (2) There are many plastic varieties, and the waste plastic varieties are mixed, and the sorting is difficult. Therefore, a unique pyrolysis process for waste plastics has been developed.

1, decompression decomposition process

2. Polyolefin bath pyrolysis process (low temperature thermal decomposition process)

3. Fluidized bed method

If you need more information, please feel free to contact us, Dingli new ability will provide you with a complete pyrolysis production line program, to give you the most favorable price!

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