The pressure roller of the pelletizing machine is the core component, responsible for high-pressure molding of powdered materials into spherical or block-like shapes. Its design and performance directly influence the efficiency and product quality of the pelletizing machine, making it widely used in industries such as metallurgy, chemical engineering, and energy.
Pressure Roller Classification
- High-pressure roller: Suitable for high-density materials such as metal ore powder, used in dry pressing (without binders), with relatively high pressure ranging from 9 t/cm² to 20 t/cm².
- Medium-pressure press roller: Suitable for general materials such as coal powder and coke powder, used in wet pressing (with the aid of a binder). It operates at lower pressures, with a pressure range of 3 t/cm to 6 t/cm.
Specifications
- Diameter range: 360mm–1400mm.
- Width range: 250mm–900mm.
- Total pressure: 150 tons – 1000 tons.
- Main motor power: 7.5 kW – 800 kW.
Scope of Application
- Metallurgical industry: Pressing metal powders such as iron powder and aluminum powder.
- Energy sector: Coal powder and coke powder are formed into shapes for use in power generation or as fuel.
- Chemical industry: Briquetting of powdered materials such as catalysts and fertilizers.
Important Components
- High-wear-resistant roller shells: Made from materials such as 65Mn, 9Cr2Mn, and GCr15SiMn, with a roller surface hardness of HRC55-62, ensuring excellent wear resistance and significantly extending service life.
- The spindle is made from 42CrMo alloy steel forging, offering high strength and excellent impact resistance.
- Assembly and Debugging: Install the hydraulic system and thin-oil lubrication system to ensure smooth operation.
- Hydraulic adjustment: Allows real-time pressure customization to meet the needs of various materials.
- Synchronous Transmission: The dual-output parallel-shaft synchronous gearbox ensures synchronized operation of the two rollers, enhancing forming quality.
Highlighting Advantages
- Efficient Molding: High line pressure and optimized structure enhance pelletizing rate and production capacity.
- Safe and reliable: Hydraulic overload protection prevents hard objects from damaging the press shaft.
- Energy-efficient and environmentally friendly: The pre-compression device reduces the load on the main motor, lowering energy consumption.
- Convenient maintenance: Modular design allows for easy disassembly and repair.
Keywords
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Press Roller for Ball Press Machine
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