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Double Roller Extrusion Granulator

E-Catalog
  • Capacity: 1-2 t/h
  • Material: carbon steel Q235/Alloy
  • Voltage: 220v/380v/415v/440v/480v(50Hz/60Hz)
  • Final Product Shape: flat, irregular, or pillow-shaped granules.
  • Applicable Industries: agricultural planting, animal husbandry, food processing, environmental protection, landscaping, organic fertilizer trading,etc.
process
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  • Introduction Introduction
  • Parameters Parameters
  • Working Principle Working Principle
  • Features display Features display
  • Cost Analysis Cost Analysis
  • Our Advantages Our Advantages

The Double Roller Extrusion Granulator is a dry granulation equipment widely used in the compound fertilizer and organic fertilizer industries. It processes powdery raw materials into uniform granules without the need for drying or additional liquid binders. This granulator is especially suited for producing NPK compound fertilizers, ammonium bicarbonate, urea-based fertilizers, and organic-inorganic fertilizer blends. Its compact structure, low energy consumption, and eco-friendly process make it an ideal choice for small and medium-scale fertilizer production lines.

ModelDZJ-1.0DZJ-1.5DZJ-2.0DZJ-2.5DZJ-3.0DZJ-4.0DZJ-2.0-IIDZJ-2.5-II
Capacity(t/h)0.8-1.51-21.5-2.51-1.52.5-3.53-51.2-1.51.3-1.8
Motor power (kW)1118.52222303715*218.5*2
Mould size(mm)Φ151-220Φ151-300Φ186-300Φ245-220Φ200-400Φ250-400Φ186-300Φ242-220
Material moisture content (%)2-62-62-62-62-62-62-62-6
Product size (mm)2-102-102-102-102-102-102-102-10
Body Size LWH(mm)1430*750*13501560*800*15801560*800*15801700*1000*16701960*980*17601960*980*17602170*1000*18502050*1000*1890
Head Size LWH(mm)750*550*385840*550*385940*520*400810*610*4401040*660*4351040*620*440950*500*635820*610*700
  • Feeding: Powdery raw materials with suitable moisture content (generally 5%–10%) are evenly fed into the hopper.
  • Compression and Molding: The materials are fed into two parallel, counter-rotating rollers. These rollers are equipped with specific grooves or molds.
  • Extrusion: The material is strongly compressed between the rollers, forming dense sheets or ribbons under high pressure.
  • Granule Formation: The compressed sheets are then crushed and cut into granules by an external granulating device or internal shaping system.
  • Discharge and Screening: The formed granules are discharged and screened for uniform size. Oversized and undersized particles are recycled back into the system.
  • Dry Granulation Process (No Drying, No Binders Required)
    Operates at room temperature without the need for drying equipment, saving energy and reducing production costs.

  • Simple Process and Easy Operation
    Compact design with easy-to-operate controls. Minimal equipment required for the entire granulation line.

  • Environmentally Friendly
    The process produces no emissions and no wastewater, making it eco-friendly and clean.

  • High Granulation Efficiency
    Produces granules with a high density and strength. Granulation rates typically range from 85% to 95%.

  • Energy Saving and Low Investment
    Lower energy consumption compared to wet granulation methods. The equipment is cost-effective and has a quick return on investment.

  • Customizable Granule Shape and Size
    Different roller molds can be customized to produce various shapes (pillow, oval, flat, etc.) and sizes to meet market demands.

  • Strong and Uniform Granules
    Granules have good hardness, reducing breakage during storage and transportation.

  • Wide Range of Applications
    Suitable for a variety of raw materials such as NPK fertilizer, urea, potassium chloride, ammonium sulfate, and organic fertilizer blends.

The cost of a fertilizer production line mainly includes the following aspects

The cost of each production line varies depending on production capacity, degree of automation, and specific needs. Fill in the form below and we will provide you with an accurate quote!

  • Equipment investment: core equipment such as crushing, mixing, granulation, drying, screening, and packaging.
  • Raw material costs:organic or chemical raw materials, additives, etc.
  • Labor costs:wages of workers, technicians, and managers.
  • Energy consumption:electricity, fuel (water, coal, natural gas, etc.)
  • Maintenance and depreciation: equipment repair, replacement of parts, etc.
  • Packaging and transportation: packaging materials, logistics costs.
  • Environmental protection and compliance:environmental protection equipment, emission management costs.

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    • Technical Strength

      - The company was founded in 2005 and has been focusing on the research and development and manufacturing of organic fertilizer equipment for 20 years. It has built a 40,000m large-scale organic fertilizer equipment production base, using advanced granulation, drying and screening technologies to improve production efficiency and product quality.

      - A self-operated import and export enterprise with more than 80 professional engineers worldwide, serving more than 100 countries and regions around the world, 5,000+ customer service cases, 10 processing centers, 3 laser cutting machines, and more than 60 equipment of various types.

      - Maintaining long-term and extensive cooperation with many scientific research institutes and universities, with a professional R&D team, it can continuously optimize equipment performance according to market demand.

    • Equipment Quality

      - High-strength wear-resistant materials, carbon steel Q235/Alloy are selected to ensure that the equipment is durable and reduce maintenance costs.

      - Adopting intelligent control systems to improve the level of production automation and reduce manual dependence.

      - ISO, CE, SGS international certification

    • Production capacity

      - With large-scale production capacity, it can meet different production capacity requirements (small, medium and large production lines).

      - A full range of equipment models, suitable for the production of various types of fertilizers such as organic fertilizer, compound fertilizer, biological fertilizer, water-soluble fertilizer, liquid fertilizer, etc.

    • Customized service

      - Personalized design can be provided according to customer needs, including production capacity, site layout, environmental protection standards, etc.

      - Provide a complete set of production line solutions, including equipment selection, installation and commissioning, technical training, etc.

      Customized service
    • Price advantage

      - Direct factory supply, reducing the middleman link, and the price is more competitive.

      - The equipment has high energy efficiency, reduces energy consumption, and helps customers reduce long-term operating costs.

    • After-sales service

      - Direct factory supply, reducing the middleman link, and the price is more competitive.

      - The equipment has high energy efficiency, reduces energy consumption, and helps customers reduce long-term operating costs.

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      Leave Your Message

      If you're interested in the product, please submit your requirements and contacts and then we will contact you in two days. We promise that all your informations won't be leaked to anyone.