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The global shift toward a circular economy places immense pressure on industries to transform waste into value. In the tire and rubber sector, this transformation is embodied by Recovered Carbon Black (RCB), a sustainable alternative to fossil fuel-derived virgin carbon black. However, converting tire pyrolysis residue into a high-grade industrial filler—typically requiring a particle size of 10 to 15 microns—presents a complex engineering challenge.
The definitive solution to this problem comes from the innovation and specialized technology of CLIRIK, specifically HGM Ultrafine Grinding Mill equipped with intelligent Variable Frequency Drive (VFD) control. This system has emerged as the global standard for processing this unique, lightweight material.
Founded on a commitment to high-efficiency mineral processing, Shanghai CLIRIK Machinery Company(Clirik) is a leading global manufacturer specializing in the research, development, and production of ultrafine grinding and powder processing equipment.
Unlike general machinery manufacturers, CLIRIK focuses intensely on the fine and ultrafine processing of non-metallic minerals, including challenging materials like limestone, dolomite, and, critically, the ultra-light RCB. This specialization allows them to engineer mills that solve specific material-handling problems.
CLIRIK's HGM series has a proven track record across diverse international markets. The successful deployment of RCB grinding projects in the UK, USA, Poland, Canada, India, Pakistan, and Vietnam;highlights CLIRIK;s capability to deliver reliable, high-specification equipment tailored to regional demands and product requirements. This robust global presence establishes CLIRIK as a market leader in the sustainable materials sector.
While traditional minerals are processed based on hardness, RCB’s difficulty lies in its extremely low bulk density—it is "very soft, very smoothly, and very light."
This lightness creates a fundamental barrier in standard grinding mills: The "Falling Down" Problem.
In conventional systems, lightweight particles are easily swept away by air currents or centrifugal force, preventing them from being effectively fed into the grinding zone. This leads to inconsistent output, low yield, and wasted energy, making it virtually impossible to guarantee the stringent 10 to 15-micron fineness required by the rubber and paint industries.
CLIRIK’s HGM Ultrafine Grinding Mill is specifically engineered to overcome the inherent challenges of processing lightweight materials like RCB.
The HGM mill utilizes a sophisticated combination of multi-roller crushing, squeezing, and shearing action to micronize the material. Crucially, the system features a dynamic internal flow path and an advanced classifier that ensures only finished, uniform powder exits the circuit, recirculating all coarser particles for immediate regrinding.
The most pivotal technology in the RCB application is the integration of a High-Configuration Control Panel with VFD (Variable Frequency Drive) Inverter Control. This intelligent system provides dynamic, real-time control over the mill’s core components:
Main Unit (Shaft) Control:The VFD controls the running speed of the main grinding shaft. By reducing the speed, it minimizes the upward centrifugal force and air resistance. This allows the lightweight RCB particles to settle and fall easily into the grinding chamber, ensuring maximum interaction with the rollers and dramatically increasing throughput efficiency.
Blower and Classifier Control:VFD control provides precise, stepless tuning of the air velocity within the classifying system. This is essential for accurately separating the finished 10-15 micron powder from the rest of the material, guaranteeing a consistent, high-purity product.
Feeder Control:The system manages the raw material feed rate, ensuring smooth, non-choking operation that maximizes the mill’s continuous production capacity.
The intelligent VFD-controlled HGM system translates directly into superior operational results for RCB producers:
Precision and Quality Assurance:Reliably achieves and maintains ultra-fine particle sizes (e.g., 10-15 microns), making the RCB suitable for high-grade rubber and paint applications.
Operational Stability:By mitigating the material "floating" problem, the system ensures continuous, stable, high-volume production·
Reduced Wear and Maintenance:Lowering the main shaft speed reduces the mechanical vibration, which significantly extends the lifespan of critical wear parts like the rollers and rings. This dramatically reduces the Total Cost of Ownership (TCO) over the mill’s service life.
Energy Efficiency:The VFD system allows the plant to use only the power necessary for the current process, minimizing energy consumption compared to fixed-speed alternatives.
The successful application of CLIRIK's HGM Ultrafine Grinding Mill in the demanding RCB sector marks a crucial milestone in sustainable manufacturing. It demonstrates that advanced engineering, when specifically tailored to material science challenges, can unlock immense environmental and economic value from waste streams.
For companies seeking to establish or expand their capacity in the rapidly growing recovered carbon black market, the CLIRIK HGM Mill, with its integrated intelligent control, is the proven, high-performance platform required to master the micro and lead the future of circular grinding technology.
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