Three Roll Crumbler
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  • Three Roll Crumbler
Goldlong Machinery And Engineering Co., Ltd.
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Three Roll Crumbler

The three-roll grinder adopts a synchronous three-roll crushing design, ensuring uniform material force, adjustable output particle size, and high crushing efficiency. The machine body is robust and durable, key components are wear-resistant, and operation is smooth with low noise. It is easy to operate, maintain, and clean, and is energy-saving and environmentally friendly. It is suitable for small to medium-sized fine crushing of various materials in chemical, mining, feed, and fertilizer industries, meeting the needs of continuous production and uniform particle size control.

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Product Features

High-efficiency crushing capacity: The three rollers act simultaneously on the material, achieving continuous crushing and grinding. The material is subjected to uniform force, and the output particle size can be flexibly adjusted according to needs, ensuring fine and stable crushing results.

Robust and durable structure: The machine body is welded with high-strength steel, resulting in a compact and robust structure. Combined with high-wear-resistant roller shafts, the equipment operates smoothly and reliably, reducing vibration and failure rates.

Intelligent adjustment design: The roller gap can be easily controlled through a mechanical or hydraulic adjustment mechanism, making operation convenient, cleaning and maintenance quick, reducing labor intensity, and improving production efficiency.

Safe and environmentally friendly: Equipped with a protective cover and safety interlock device, the machine operates with low noise and minimal dust emissions, meeting modern environmental protection and safety production standards.

Product Advantages

Energy Saving and High Efficiency: The three-roller design optimizes energy consumption, resulting in low power consumption per unit output and reduced production costs.

High Wear Resistance: Key components such as the rollers and bearings are made of highly wear-resistant materials, ensuring a long service life and reducing downtime for maintenance.

Wide Adaptability: Capable of crushing materials of varying hardness and moisture content, including ores, chemical raw materials, feed, and fertilizers, with a wide range of applications.

Easy Operation: Simple maintenance and parts replacement, eliminating the need for prolonged downtime and improving overall production continuity.

Product Applications

Widely used in small to medium-sized material crushing and processing in industries such as chemical, building materials, mining, feed processing, and fertilizer production.

Suitable for the uniform grinding and fine crushing of materials such as ores, coal, clay, chemical raw materials, feed pellets, and organic fertilizers.

Suitable for continuous production lines requiring stable particle size control; can be used in conjunction with subsequent crushing, mixing, or granulation equipment.

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Goldlong Machinery And Engineering Co., Ltd.
ERP Management
We implement an ERP management system to efficiently control workshop operations, improve equipment utilization, and ensure stable product quality.
Goldlong Machinery And Engineering Co., Ltd.
R&D Capabilities
We continuously strengthen our technical capabilities, enabling us to develop and manufacture products based on customer drawings or samples to meet diverse requirements.
Goldlong Machinery And Engineering Co., Ltd.
Strict Quality Control
Comprehensive inspections are conducted before shipment, covering performance, stability, safety, and full system testing to ensure reliable operation.
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Goldlong Machinery is specialized in feed machinery, grain dryer and compound fertilizer machinery, and provides the projects with turn-key basis, from design, engineering, manufacturing, installation, commissioning to after-sale service, and we also provide spare parts and the training for machinery operation, maintenance, technical support.

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  • 2026-01-16 Industry News

    Granular Grinding Process of Feed Processing Machinery
    In the production of feed processing machinery, the grinding process plays a critical role in determining product quality, production efficiency, and overall energy consumption. As feed formulations and industrial standards continue to evolve, grinding technology has become one of the core focuses in modern feed manufacturing. Classification of Grinding Processes From a practical production perspective, feed grinding processes are generally classified into single-stage grinding and two-stage grinding, depending on the number of grinding operations applied to raw materials. Single-stage grinding is widely used due to its simple process flow and relatively low equipment investment. This method requires fewer machines, occupies less space, and is easier to operate and maintain. However, its limitations are also evident. In some cases, single-stage grinding may result in uneven particle size distribution and higher power consumption, especially when processing raw materials with varying hardness or fiber content. Advantages of Two-Stage Grinding To address these shortcomings, two-stage grinding technology has been developed and applied in certain feed production scenarios. This process allows raw materials to be ground in two consecutive steps, resulting in more uniform particle size, higher production output, and lower overall energy consumption per unit of product. These advantages are particularly significant for high-quality compound feed production. Nevertheless, the two-stage grinding process requires greater initial equipment investment, higher installation costs, and more complex system management. As a result, its application is generally limited to large-scale or high-end feed manufacturers with higher quality requirements. Current Industry Practices At present, the majority of feed mills still rely on single-stage grinding processes, balancing cost efficiency and production needs. In compound feed production, granular materials typically account for 60%–70% of the total formulation, making the selection of appropriate grinding equipment especially important. When selecting a grinder, manufacturers usually ensure that the designed production capacity exceeds the actual production demand of the feed mill. The reserved capacity allows sufficient time for routine maintenance, inspection, and replacement of wear parts, thereby ensuring stable long-term operation. Outlook As energy efficiency requirements and feed quality standards continue to rise, grinding process optimization will remain a key direction for technological improvement in feed processing machinery. In the future, more feed manufacturers may adopt flexible or hybrid grinding solutions to achieve a better balance between investment cost, product quality, and operational efficiency.
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  • 2026-01-16 Industry News

    Operation and Maintenance of Feed Processing Machinery
    Feed processing machinery plays a critical role in modern feed production, directly affecting production efficiency, product quality, and operational safety. After installation and commissioning are completed, users must pay close attention to proper operation and routine maintenance before the equipment is officially put into production. Before starting daily operations, operators are required to carefully read the equipment instruction manual and fully understand the machine’s structural design, working principles, performance characteristics, and operating procedures. All operations should be carried out strictly in accordance with the specified operating guidelines. In addition, routine inspections should be conducted based on operational requirements and safety precautions to ensure stable and reliable equipment performance.   Under normal conditions, feed processing machinery undergoes multiple inspections, calibrations, and performance tests before leaving the factory. Key components such as motors are sealed after inspection, and couplings are precisely aligned during factory setup. Users are strongly advised not to loosen, adjust, or modify these components without authorization, as improper adjustments may compromise operational stability and safety.   During equipment operation, regular maintenance is essential. Operators should periodically clean iron impurities from permanent magnet drums and the permanent magnet plates of feeders to prevent metal contaminants from entering the processing system. This practice helps protect downstream equipment, reduce wear and damage, and maintain consistent production quality.   At the same time, close attention should be paid to the fineness of the processed feed materials. Operators must regularly check whether the particle size of the finished product meets production requirements. If deviations are detected, appropriate adjustments or maintenance measures should be taken promptly to ensure product consistency. Industry experience shows that standardized operation combined with systematic maintenance is fundamental to achieving efficient, safe, and sustainable feed production. By strictly following operating procedures and implementing regular inspection and cleaning routines, feed producers can effectively reduce equipment failures, extend service life, and ensure stable product quality.
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  • 2026-01-16 News

    Feed Machinery Selection and Installation
    In feed production, the proper selection and installation of feed processing machinery are essential to ensuring stable operation, consistent feed quality, and efficient production. Equipment performance directly affects output, energy consumption, and overall manufacturing costs, while also influencing feed nutritional consistency and animal feeding efficiency. When selecting feed machinery, manufacturers should base their decisions on actual production requirements, including production scale, feed formulations, and raw material characteristics. Equipment capacity should be reasonably matched to production demand, with sufficient allowance for maintenance and future expansion. At the same time, reliability, processing consistency, and energy efficiency are key factors that determine long-term operational performance. Correct installation and commissioning are equally critical. Equipment must be installed and aligned according to technical specifications, with key components such as motors and couplings accurately calibrated. Comprehensive trial runs after installation help ensure stable operation, coordinated system performance, and safe production conditions. In practice, well-matched and properly installed feed machinery contributes to lower energy consumption, reduced downtime, and extended service life. Stable equipment operation also ensures uniform particle size and consistent processing quality, supporting efficient feed utilization and improved livestock performance.
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