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Pyrolysis process of Industrial Continuous Waste Plastic Pyrolysis Production Line
The mixed waste plastics will be shredded and continuously fed into the pyrolysis reactor via feeding machine. The materials will be pre-heated during the conveying process and the low melting point plastic like PVC will be pyrolyst. The HCl will be then neutralized treated after separation with other materials.The constant temperature heating system supplies heat to the pyrolysis reactor. The raw materials are continuously fed into the pyrolysis reactor and spreaded by the system, completing pyrolysis reaction with the high-efficiency catalyst.The pyrolyst oil gas is turned into high quality fuel oil and small amount of combustible gas after following processes such as fractional distillation separation, fixed bed secondary gas catalyzing and de-waxing etc.
The combustible gas is totally used as fuel to the system after scrubbing, which achieves heat energy self-supporting. The gas after being burnt will be qualified discharged after gas purification process.The small amount of solid residue generated from the reaction is continuously discharged out of the reactor, and that could be further processed into fuel stick.
- Waste plastic pre-treatment system （ optional ）
- Raw material pre-heating system
- C onstant temperature heating system
- HCl absorbing system (optional depending on material)
- Continuous pyrolysis system
- Combustible gas scrubbing system
- Gas purification system
- Residual pollute-free treatment system （ optional ）
- Control subsystem
- Accurate constant heating and heat speading teachnology are realized.
- The material spreading system makes the material equally heated and far increases heating surface, accompanish with patent structure, that totally solved low heat transfer efficiency and coking that occurred in other technologies and equipments in the world.
- The little combustible gas is totally used as fuel to the system after scrubbing, combined with residual heat recycling system, far decreases running cost.
- The unique and complete HCL absorbing system, totally reduce the expensive sorting cost for mixture waste plastic.
- Adopting two-step catalyzing technology, which achieves higher oil yield and better quality.
- The specific gas purification system shall remove all the pollutes, such as the organic compounds and solid particles like H2S 、 CO 、 CO2 、 SO2 、 SO3 、 NOX 、 NH3 etc., which make the emission specifications comply with Europe and US etc. highly regulated country standards.
- The whole line adopts PLC Logical control system, could realize all points automatic control and to collect, calculate, record and print the data as well alarm.