Rotary Tube Pyrolysis Furnace for Engineering Plastic Pyrolysis

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Rotary Tube Pyrolysis Furnace for Engineering Plastic Pyrolysis

1. Project Background
Client Name: A South African laboratory (National Waste Resource Utilization Research Institution)

Industry: Environmental Engineering, Plastic Recycling, Thermochemical Conversion

Core Needs: To conduct high-temperature pyrolysis experiments on polymer plastics (such as PE, PP, PS, PVC, etc.) under controlled atmosphere, exploring the optimal process parameters for converting waste plastics into fuel oil, combustible gas, and solid residue, providing data support for the energy utilization of plastic waste.

This laboratory, affiliated with a renowned university or research institution in South Africa, has long been committed to research on resource utilization technologies for municipal solid waste (especially waste plastics). With the increasing global plastic pollution problem, the South African government is actively promoting a circular economy. The laboratory hopes to establish a small-scale continuous or semi-continuous pyrolysis experimental platform that can simulate the process of an industrial rotary pyrolysis furnace under precise control of temperature, heating rate, residence time, and atmosphere, thereby evaluating the distribution and performance of pyrolysis products from different plastic raw materials. Traditional fixed-bed pyrolysis furnaces suffer from uneven material heating, poor heat transfer, and easy coking. Therefore, the client urgently needs an experimental-grade rotary pyrolysis reactor capable of material tumbling and zoned temperature control.

2. Equipment Introduction
We recommended our rotary tube pyrolysis furnace to meet the lab’s requirements:
Furnace Type: Rotary tube pyrolysis furnace (continuous feeding + inert gas protection)
Key Configurations: Customized feeding hopper for granular engineering plastics, multi-stage temperature control (up to 1200℃), vacuum + argon atmosphere system, and integrated product collection unit
Process Optimization: Designed a slow rotary speed (1–5 rpm) and gradient heating profile to ensure uniform pyrolysis and avoid local overheating of plastic materials

3. Implementation Process
Project Cycle: 8 weeks (production + shipping + on-site commissioning)
Installation & Commissioning: Our engineer remotely guided the lab team through equipment installation and calibrated temperature uniformity, vacuum level, and feeding rate
After-sales Support: Provided 1-year warranty and 24/7 technical consultation, including process parameter adjustment guidance for different engineering plastic grades

This equipment is specifically designed for pyrolysis/gasification experiments of organic solid wastes such as polymer plastics, biomass, and rubber. Six temperature zones can be independently set with different temperature profiles to achieve gradient heating in the pyrolysis process (e.g., front-end drying, mid-stage pyrolysis, and rear-end coke activation), more closely resembling the actual operating conditions of an industrial rotary kiln. The transparent quartz furnace tubes allow for direct observation of material tumbling and coking.

Equipment Application：

Specific Process: High-Temperature Pyrolysis of Polymer Plastics.

Processed Raw Materials:
Polyethylene (PE): Plastic bags, bottle caps, etc.

Polypropylene (PP): Food packaging, automotive plastics;
Polystyrene (PS): Foamed plastics, disposable tableware;
Polyvinyl chloride (PVC): Pipes, cable sheaths (HCl removal needs to be considered).

Target Pyrolysis Products:

Fuel oil (C5~C20 hydrocarbons): Can be used as boiler fuel or oil refining feedstock.
Combustible gases (H₂, CH₄, C₂H₄, CO, etc.): Can be reused as a heat source.
Solid residues (carbon black, fillers, inorganic matter): Can be further activated or landfilled.

4. Customer Feedback & Performance Data
Quantified Results: Achieved 92% pyrolysis conversion rate for engineering plastics, reduced energy consumption by 18% compared to traditional batch furnaces, and obtained consistent pyrolysis oil/gas yields with ±3% variation
Client Testimonial: “The rotary tube pyrolysis furnace from PROTECH perfectly meets our lab research needs, delivering stable performance and precise process control, which greatly accelerates our waste plastic recycling R&D progress.” – Lab Director, South Africa

5. Contact us for Customization
Zhengzhou Protech Technology Co., Ltd. is your trusted partner for tube furnaces, muffle furnaces, atmosphere furnaces, and vacuum furnaces. We design customized heating solutions to match your unique material processing needs.Reach out to us for a personalized consultation:
WhatsApp: +86 17719806024
Email: info@lab-furnace.com

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