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HZZD Rotary Combined Multi-Deck Screen

Capacity: 120t/h

The HZZD Rotary Combined Multi-Deck Screen is a high-efficiency grain cleaning machine widely used in flour mills, feed plants, and edible oil processing factories. Designed for large-scale pre-cleaning and fine-cleaning for different raw materials.

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Large capacity wheat and maize rotary combined screen by Voson

The HZZD Rotary Combined Multi-Deck Screen is a high-capacity grain cleaning machine developed by Voson, designed for large-scale wheat flour mills, maize processing plants, and oilseed pre-treatment lines. With its multi-layer rotary screening structure, the machine effectively removes dust, chaff, broken kernels, stones, and other impurities from raw grains, ensuring that only clean and uniform material enters the next stage of production.

This equipment is particularly valued for its stable performance, low energy consumption, and high output capacity, making it suitable for continuous operation in modern grain and oil processing factories.

Technical Parameters of Rotary Combined Screen

Model	HZZD150x200/8	HZZD200x200/8
Maximum Capacity (t/h)	120 – 140	150 – 180
Rotating Speed (r/min)	300 ± 5	300 ± 5
Power (kW)	3 + 0.75 + 0.04 × 2	4 + 0.75 + 0.04 × 2
Air Volume Required (m³/h)	12,000	15,600
Weight (kg)	6,100	7,100
Dimensions (L×W×H, mm)	3462 × 2445 × 3892	3462 × 2945 × 3892

Key Features of HZZD Rotary Screen

Large effective screening area and high output – Ensures excellent cleaning and grading efficiency even under heavy load conditions.

Combined rod-suspension structure – Guarantees stable operation with low noise.

Multi-way feeding distributor at the inlet – Distributes raw material evenly across each sieve deck, maximizing separation efficiency.

Multiple sieve layers with easy interchangeability – Convenient design with interchangeable sieves of the same aperture for flexible use.

Modular transmission system – Allows entire unit replacement, reducing downtime and saving maintenance costs.

HZZD rotary combined multi-deck screen for wheat cleaning

Multi-layer grain cleaning machine in flour milling plant

Application in Grain Processing

The HZZD Rotary Combined Multi-Deck Screen is a versatile cleaning and grading machine with applications across multiple industries:

Wheat Flour Milling Plants – Efficient pre-cleaning and grading of wheat before grinding.
Corn Milling Plants – Ensures uniform raw maize and stable milling performance.
Rice Processing Plants – Removes impurities and classifies rice grains for improved product quality.
Oilseed Processing Lines – Applied in the cleaning section of soybean, sunflower seed, rapeseed, and other oil crops.
Feed Industry – Widely used for raw material cleaning and grading in animal feed production, improving feed quality and protecting downstream equipment.

By integrating this equipment into Voson turnkey projects or independent feed mills, clients can achieve reliable impurity removal, consistent grading results, and stable production performance.