Classifying

Precise particle size classification from sub-micron to millimeter levels delivers narrow-distribution, high-purity powder products, significantly enhancing material performance and production efficiency.

Turbo Twin Double TTD

Turbo Twin Double TTD

The ultrafine classifier TTD is second to none when it comes to classifying soft to medium-hard minerals at high throughputs, for example in the production of fillers.

Principle of Operation

The classifying wheel is supported in bearings on both sides and permits extremely high peripheral speeds of up to 120 m/s. Another unique feature is the optimised product routing direct to the classifying wheel. This prevents any backmixing with the already classified coarse material. It is no longer necessary to adjust the classifying wheel gap, which simplifies maintenance tremendously. There are currently six machine sizes available: 200, 315, 500, 630, 800 and 1,000.


Principle of Operation

Features

  • High fines yield and maximum fines capacity, with a single classifier wheel

  • Superfine powders in the range of d97 = 3 µm to d97 = 45 µm

  • Classifying wheel supported in bearings on both sides

  • Double flooded fine material outlet

  • Optimized feed material supply direct to the classifier wheel

  • Compact and functional design


Specifications

Model Fines capacity at x₅₀, 5 μm (kg/h) Fines capacity at x₅₀, 10 μm (kg/h) Fines capacity at x₅₀, 20 μm (kg/h) Nominal air flow rate Classifier (m³/h)
200 110 290 460 1900
315 290 710 1100 4800
500 710 1800 2800 12000
630 1100 2900 4600 19000
800 1800 4500 7200 30000
1000 2900 7200 11500 48000
experimental verification

experimental verification

Before investing in new equipment, please conduct tests on the materials to be used at the Hosokawa Testing and Process Development Center based on actual production conditions. Our experienced experts will assist you in determining the most effective mixing, granulation, or drying processes, helping you transition from laboratory trials to a comprehensive production testing phase. Whether you need to test the performance of a single machine or evaluate the entire production line, we can provide tailored testing services and process optimization solutions to ensure reliable system operation and excellent performance.

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