Preface
With the rapid development of the automotive industry, the production of waste tires has surged dramatically. As an industrial hazardous waste, waste tires not only occupy large amounts of land but also severely damage the natural ecological environment. Tire recycling has become the key to solving this problem.
After years of exploration and practice, the waste tire comprehensive utilization industry has formed four core business segments: tire retreading,再生橡胶, rubber powder, and waste tire pyrolysis. Among them, pyrolysis technology has significant advantages, as it can maximize energy recovery and resource reuse.

Project Overview
A waste tire recycling project led by a leading U.S. resource recovery company has achieved a breakthrough. The project uses advanced pyrolysis technology to transform waste tires into high-value products, addressing environmental pollution issues and alleviating resource shortages.
In the early stages of the project, the client selected the MW series ring-roll micro powder mill from China's Liming Heavy Industry after extensive research and rigorous evaluation. The Liming team optimized the process flow and equipped the production line with advanced powder collection and dust removal systems to meet U.S. environmental standards.

On-site Highlights
The installation phase of the MW series ring-roll micro powder mill from Liming Heavy Industry.
The compact and well-designed grinding powder production line.
The waste tire pyrolysis oil refining process.
The clean and tidy production workshop.

Waste Tire Pyrolysis Products
Waste tire pyrolysis yields 45%–50% pyrolysis oil, 32%–36% carbon black, and 12%–15% steel wire.
The quality of pyrolysis carbon black significantly affects the economic benefits. High-quality pyrolysis carbon black can generate higher profits and can be used as carbon black or activated into activated carbon.

Equipment Selection and Technical Advantages
The MW series ring-roll micro powder mill is a device developed by Liming Heavy Industry for the production of superfine and micro powders, specifically tailored for the waste tire pyrolysis carbon black sector with excellent performance.
Technical Advantages:

Safe and Reliable Operation: The grinding chamber has no rolling bearings or screws, avoiding issues such as bearing damage and screw loosening.
Advanced and Stable Transmission: Equipped with a reducer transmission device, which is more stable and efficient than traditional belt drives.
Precise Particle Size Control: Uses a new type of high-efficiency cage-type classifier with frequency conversion control, achieving precise particle size regulation and a final product fineness of D97≤5um.
Low Abrasion and High-Quality Products: High-quality wear-resistant components are used, reducing material contamination during processing.
Low Power Consumption and Energy Saving: Low-stress multi-roll layer grinding, optimized grinding curves, and online instant classification ensure low power consumption.
Clean and Environmentally Friendly: Equipped with a high-efficiency pulse dust collector, silencer, and soundproof room to meet national environmental standards.

Company Profile
Liming Heavy Industry is a standard drafter in the grinding industry, a national quality benchmark enterprise, a national green factory, and a national enterprise technology center.
Founded in 1987, the company covers an area of over 1,600 acres and has four production bases. It serves more than 30,000 customers in over 180 countries and regions, holding more than 280 patents and various certifications such as ISO9001, EU CE, and Eurasian Customs Union CU-TR.
Focusing on customer needs in different fields, its product processing range covers coarse powder, fine powder, superfine powder, and micro powder, covering the entire process chain.

Conclusion
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