20L Laboratory Planetary Dispersion Vacuum Mixer Cantilever Lifting Bucket for Lithium Battery Slurry Mixing

Product Overview

This 20L laboratory planetary dispersion vacuum mixer combines planetary mixing, high-speed dispersion, vacuum processing, and temperature-controlled vessel functions in one integrated unit. It is designed to produce homogeneous battery slurries by combining powders and liquids while supporting high-viscosity processing up to 1,200,000 cP. The cantilever lifting bucket arrangement supports practical vessel handling during laboratory and pilot-scale operation.

The equipment is suited to lithium battery slurry mixing and the preparation of materials for common battery types. It also supports demanding mixing and dispersion work in advanced materials research, powder processing, ceramics, and other laboratory processes requiring controlled powder-liquid integration. A useful working volume of 8-20L provides flexibility for formulation development and repeatable batch production.

The unit is engineered around controlled clearances, corrosion-resistant 304 stainless steel contact parts, vacuum retention, and independently specified mixing and dispersion drives. Its dual jacket configuration supports heating or cooling at both the vessel wall and base, helping users manage process temperature during demanding, high-viscosity batches.

Key Features

• High-Viscosity Processing Capability: The system is designed for process viscosities up to 1,200,000 cP, making it suitable for thick battery slurries and other difficult powder-liquid formulations.

• Planetary Mixing and High-Speed Dispersion: Two spiral mixing blades work together with a separate toothed dispersion disc to combine bulk material movement and intensive local dispersion in the same batch.

• Vacuum Processing Design: The vessel is designed for a vacuum level of -0.098 MPa. When properly connected to a customer-supplied vacuum system, it can maintain pressure for 24 hours at above -0.085 MPa without leakage into the vessel.

• Controlled Working Capacity: The 28L vessel provides an effective capacity of 8-20L, allowing users to adjust batch size according to formulation volume, viscosity, and laboratory workflow requirements.

• Dual Temperature-Controlled Jackets: A single-layer jacket on the vessel wall and a separate single-layer jacket at the vessel bottom support heating or cooling. Both jackets use G1/2-inch quick-opening union connections and are rated for pressures up to 0.4 MPa.

• Precision Mixing Geometry: The spiral mixing blades are precision cast and machined to maintain a 90-degree helical line. Blade-to-blade, blade-to-wall, and blade-to-bottom clearances are controlled to support consistent material movement.

• Separate Dispersion Drive: The dispersion assembly provides a 600-6000 rpm speed range with a 3 kW drive, a 70mm toothed disc, and a maximum specified linear speed of 21 m/s for intensive dispersion work.

• Durable Contact Materials: The vessel contact surfaces, mixing blades, and dispersion disc are made from 304 stainless steel, supporting robust operation where material compatibility and cleanable construction are important.

• Mobile Floor-Mounted Construction: The approximately 1000kg unit uses a caster-based mobile configuration. Its structural requirements include a floor load capacity of 900kg/m².

Applications

Technical Specifications

General Equipment Parameters

Vessel and Temperature Control

Planetary Mixing Assembly

Dispersion Assembly

The vessel capacity and operating ranges are configured for laboratory and development-scale batches. The planetary assembly provides slower, high-viscosity material movement, while the dispersion assembly supplies high-speed shear action through toothed discs. This combination is especially relevant when a formulation requires both thorough bulk turnover and intensive breakup of agglomerated powder within the liquid phase.

Vacuum operation depends on the customer-supplied vacuum system meeting the stated pumping requirement. The vessel is specified for -0.098 MPa operation and 24-hour pressure retention above -0.085 MPa without inward leakage. Temperature control also depends on the customer-supplied jacket circulation system. For cooling applications, the recommended inlet temperature is no higher than 8°C with a water flow above 10L/min.

The 304 stainless steel material-contacting components include the relevant vessel surfaces, mixing blades, and dispersion discs. The bottom discharge uses a G1-inch three-piece ball valve, providing a defined outlet for transferring completed slurry from the vessel. Before installation, users should verify that the supporting floor meets the required 900kg/m² load capacity and that the available space accommodates the 1546mm × 895mm × 1792mm equipment envelope.

Why Choose This Product

• Built for demanding slurry work: The specified viscosity capability up to 1,200,000 cP and combined planetary-dispersion architecture address process conditions where conventional low-viscosity mixers may be insufficient.

• Controlled and repeatable processing: Defined blade clearances, a precision-machined 90-degree spiral profile, controlled speed ranges, and dual temperature jackets support consistent batch development.

• Robust materials and construction: 304 stainless steel contact components, a pressure-rated jacket system, a bottom discharge valve, and a mobile floor-mounted structure provide a practical foundation for repeated laboratory operation.

• Flexible process platform: Effective batch volumes from 8L to 20L, vacuum capability, heating and cooling provisions, and separate mixing and dispersion controls make the equipment suitable for formulation development and advanced materials research.

For a quotation, installation discussion, or application-specific configuration review, contact us to match this system with your slurry process and laboratory requirements.

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