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    hs-tumbler GmbH | Trajectory Mixing – Refractory Materials

    Trajectory Mixing – Refractory Materials

    Less water. Shorter mixing time. Minimal frictional heat.

    Trajectory mixer K1
    Trajectory mixer K1, 4 L variant

    Technical Benefits

    The goal is a reproducible mixing window for demanding formulations – with high homogeneity, low heat input, and reduced downtime.

    Mixing Refractory Castables

    K1 in operation with 4 L container


    Homogeneity
    Consistent distribution, even with demanding components, with stable consistency control.
    Minimal Frictional Heat
    Reduced temperature rise supports stable material structure and reliable processing.
    Tool-free in the Product
    No mixing tools in contact with the product. Fewer wear points and reduced process disturbances.
    Less Water & Additives
    Potential to reduce water and additives (formulation-dependent) while achieving defined flow behavior.
    No Dry Premixing Required
    Process steps can be simplified, depending on formulation and plant layout.
    Optimized Flowability & Consistency
    Adjustable via trajectories, mixing time, and water-addition profile for a reproducible mixing window.
    Batch-based Mixing
    Clear batch control supports traceability, documentation, and reproducible process parameters.
    Cleaning & Process Safety
    Enclosed, tool-free design. Fast cleaning and changeover with defined process control.

    TM – Expanding Process Windows

    Two motors (X/Y) generate freely parameterizable trajectories. The bulk material forms an adjustable cross-flow pattern. Atmosphere control (vacuum / inert gas) is optionally possible.

    Control Variables (Process Recipe)

    • Frequencies fₓ, fᵧ; Amplitudes Aₓ, Aᵧ; Phase shift δ
    • Mixing time, water-addition profile, additive dosing
    • Atmosphere: vacuum / inert gas (optional)
    • Fill level, tilt angle, batch mass (machine-specific)

    Note: Quantitative evidence (e.g., water reduction, cycle-time reduction vs. reference mixers) is formulation- and application-dependent and is generated via structured benchmarks.

    Mixing Principle (Animation)

    Trajectories directly influence cross-flow formation, homogeneity, and consistency.

    Go to interactive simulation →
    Homogeneity & Gentle Handling
    High homogeneity through cross-flow formation with minimal frictional heat.
    Tool-free
    Fewer wear points; no mixing tools in the material, reduced downtime.
    More Stable Consistency
    Parameterizable trajectories support a reproducible mixing window.
    Cleaning & Process Safety
    Enclosed design; no dust discharge, fast changeover.

    Typical Applications

    From small functional parts to large-volume, complex shapes – especially for abrasive, demanding mixes.

    Refractory Castables
    e.g., for precision parts as well as additional cast bodies and shaped parts.
    Abrasive Dry Mixes
    Formulations with a high share of hard aggregates / high abrasiveness.
    Complex Formulations
    Mixes with fibers, lightweight aggregates, or sensitive additives (formulation-dependent).
    Batch Processes with Traceability
    Clear batch allocation (quality, documentation, process parameters).
    Refractory castable
    Castable in the K1 container

    Direct Comparison: Conventional vs. Trajectory Mixing

    Actual effects depend on formulation, equipment, and process. This comparison highlights typical technical mechanisms and expected differences.

    Conventional Mixers
    Mixing Time

    Typically several minutes, depending on formulation and tool geometry.

    Wear

    Abrasive aggregates load agitators, paddles, and seals.

    Frictional Heat

    Heating from tool/material contact can narrow the process window.

    Cleaning / Changeover

    Tools and mixing chamber require cleaning; downtime may increase.

    Contamination

    Risk of abrasion/particles from tools or coatings.

    Trajectory Mixing
    +Mixing Time

    Short cycles are possible; goal is reproducible homogeneity within the mixing window.

    +Wear

    Tool-free in the product; focus shifts to container/inner wall as main contact area.

    +Temperature Control

    Minimized frictional heat supports stable consistency and material structure.

    +Cleaning / Changeover

    Fast cleaning without mixing tools; reduced downtime and dust discharge.

    +Process Window

    Trajectories as a control variable for cross-flow patterns, homogeneity, and flow behavior.

    Less water. Shorter mixing time. Minimal frictional heat.

    Let’s start with a pilot trial. Together we define a test matrix and derive robust, application-specific KPIs.