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DW Single-Layer Belt Dryer

DW Single-Layer Belt Dryer

The DW single-layer belt dryer is a cross-flow continuous drying system designed for sheet, strip, and granular materials with good permeability. It is especially suitable for high-moisture materials that cannot tolerate high temperatures, such as dehydrated vegetables and traditional Chinese medicine slices. The dryer offers fast drying speed, high evaporation intensity, and excellent product quality. Paste-like filter cakes can also be dried after being granulated or formed into strips.

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Product Details

Working Principle
Material is evenly fed onto a mesh belt, typically made of 12–60 mesh stainless steel, and transported through the dryer by a drive system. The dryer consists of multiple units, each with independent hot air circulation. Some exhaust is discharged via a dedicated dehumidifying fan, with airflow controlled by dampers. Hot air passes either upward or downward through the material-covered belt, transferring heat and removing moisture. The belt moves slowly, and its speed can be adjusted based on material temperature. Dried products continuously fall into the collection hopper. Users can flexibly configure the number of upper and lower circulation units according to process requirements.

Key Features
Adjustable airflow, heating temperature, material residence time, and feed rate for optimal drying performance.

Flexible configuration with optional belt washing and material cooling systems.

High proportion of air recirculation for energy efficiency.

Unique air distribution system ensures even heat distribution and consistent product quality.

Compatible with various heat sources, including steam, thermal oil, electricity, or coal/oil-fired hot air furnaces.

Product Parameters

Item Model DW-1.2-8 DW-1.2-10 DW-1.6-8 DW-1.6-10 DW-2-8 DW-2-12
Unit number 4 5 4 5 4 6
Belt width m 1.2 1.2 1.6 1.6 2 2
Drying section length m 8 10 8 10 8 12
Thickness of the material mm 10~80
Temperature °C 60~130
Steam pressure Mpa 0.2~0.8
Steam consumption kgsteam/kgH₂O 2.2~2.5
Drying strength kgH₂O/h 6~20kg/m²·h
Total power of the blower kw 3.3 4.4 6.6 8.8 12 16
Total power of the equipment kw 4.05 5.15 7.35 9.55 13.1 17.1
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About ZY
Changzhou Zhiyang Machinery Equipment Co., Ltd.

Specializes in the design, manufacturing, and process integration of powder processing and oral solid dosage equipment. By combining reliable process know-how, continuous innovation, and proven performance value, we provide standalone machines, modular systems, and complete production lines for customers in pharmaceutical, bio-pharmaceutical, biotechnology, nutraceutical, veterinary, additives, and related industries—from lab and pilot scale to full production.

Founded in 2010, ZY Machinery is process-driven. We design solutions around material characteristics, capacity targets, and site conditions. We do not simply supply machines—we deliver workable process routes and engineering implementation plans to help customers achieve a better balance of consistency, efficiency, reliability, and cost.

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  • High-tech Enterprise Certificate
  • 2020 Annual Innovation Award
  • Brand Platform Creation Award for the Year 2020
  • Audited Supplier
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
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