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Graphite Sigma Mixer | JCT Machinery

July 14, 2025

hydraulic lifting sigma blade mixer

What is graphite sigma mixer?
Graphite materials (such as graphite negative electrode materials, graphene, expanded graphite, conductive slurry, etc.) have the characteristics of high viscosity, high solid content, and easy agglomeration. Traditional mixing equipment is difficult to disperse evenly. The graphite sigma mixer is specially designed for such materials. Through strong shearing, extrusion, and folding, it can achieve efficient dispersion dispersion and uniform mixing of graphite particles.



Graphite Sigma Mixer Structure
ComponentFunction
Double ∑-shaped bladesStrong shearing and flipping, suitable for mixing graphite and binder high-bonding materials
Kneading cylinder (W-shaped)Container body, can be equipped with jacket heating/cooling function
Jacket heating systemHeat transfer oil, electric heating or steam, to regulate material fluidity
Vacuum system (optional)Vacuum degassing, improve mixing density
Hydraulic lifting/screw discharge systemDischarging is more convenient, suitable for high-viscosity and high-specific-gravity materials
Control systemPLC automatically controls temperature, speed, mixing time, etc.


Advantages of Graphite Sigma Mixer
  • 1. Strong shear stirring

  • High viscosity graphite can also be fully dispersed without agglomeration.

  • 2. Optional vacuum function

  • Remove bubbles, prevent oxidation, and improve product density.

  • 3. Accurate jacket temperature control

  • Maintain the optimal process temperature to prevent premature solidification.

  • 4. Excellent sealing design

  • Prevent graphite powder from flying and pollution, safe and environmentally friendly.

  • 5. Hydraulic lifting or screw discharge

  • High viscosity materials can also be discharged smoothly to reduce residue.

screw discharge sigma blade mixer

Graphite Sigma Mixer Applicable Materials
1. Artificial graphite negative electrode slurry: Graphite powder+binder (PVDF)+solvent uniformly mixed.
2. Graphite grease: Graphite powder+grease are mixed and stirred to form a uniform paste.
3. Graphite filler: Fiber+graphite+oil adhesive mixed and kneaded into shape.
4. Graphite carbon blank: Powdered graphite+tar pitch mixed extrusion.
5. Graphite conductive paste: Graphite powder+conductive oil+thickener knead evenly.


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