Tongli extrusion granulator is a granulation process that uses pressure to agglomerate solid materials. This is done by squeezing the material between two counter-rotating rollers, which are driven by an eccentric sleeve or a hydraulic system. When the solid material is squeezed, the air between the powder particles is first expelled to rearrange the particles to eliminate the gaps between the materials. It is widely used in fertilizer, feed and chemical industries. It uses advanced screw extrusion technology and precise temperature and pressure control to ensure uniform particle formation and high density. The processing capacity can usually reach 6 to 8 tons per hour, and the particle diameter can be adjusted from 2 to 4 mm
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Tongli extrusion granulator adopts high-pressure roller design, which can adjust the particle density to 1.5-3.0 g/cm3. Its production efficiency can reach 5 tons per hour, and it is equipped with an automated control system, which can reduce energy consumption to 0.1 kWh per ton, meeting the requirements of the fine chemical industry.
The equipment is equipped with a high-precision adjustment system, which can fine-tune the roller gap to ensure the uniformity and consistency of particles in each batch of products. This precision control is suitable for the production of high-end products that require strict specifications.
The extrusion granulator provides a variety of roller surface engraving pattern options to meet different particle shape and size requirements. Users can customize the roller surface according to specific product requirements to achieve a variety of particle forms such as spherical and cylindrical, and improve product diversity
The extrusion granulator can adjust the particle density to 1.5 to 3.0 g/cm3 through roller high-pressure extrusion technology. This high-density molding not only improves the quality and hardness of the particles, but also effectively reduces transportation and storage space, which is particularly suitable for fertilizers and chemical products
Model | Roller Diameter (mm) | Roller Length (mm) | Extrusion Hole Diameter (mm) | Speed (r/min) | Production Capacity (t/h) | Installed Power (kW) |
TL450×400 | 450 | 400 | 2~4 | 58 | 2~5 | 11 |
TL610×700 | 610 | 700 | 2~4 | 40 | 5~8 | 18.5 |
TL700×600 | 700 | 600 | 2~4 | 36 | 5~8 | 18.5 |
TL800×700 | 800 | 700 | 2~4 | 30 | 8~12 | 18.5 |
TL1000×900 | 1000 | 900 | 2~4 | 26.4 | 10~15 | 30 |
An extrusion granulator is a mechanical device used to convert powdered materials into granules. It has a wide range of applications, covering industries such as fertilizers, feed, plastics, and pharmaceuticals.
The working principle involves applying high pressure through a screw or rollers to extrude the material through a mold, forming granules. The size and shape of the granules can be adjusted based on different molds.
Modern extrusion granulators typically have a production capacity ranging from 500 kilograms to 5 tons per hour, depending on the model and material characteristics. The advantage of this technology lies in its efficiency and controllable granule shape, making it an important tool in industrial manufacturing.
Granules produced by extrusion granulators have high density and consistency. According to industry standards, the diameter and length of the finished granules can be adjusted by changing the molds, usually between 1 to 5 millimeters.
This equipment can produce smooth-surfaced, free-flowing granules, widely used in various fields. Studies show that by optimizing production parameters, the uniformity of the finished granules can be increased by about 15%.
Moreover, the precise control system of the equipment ensures consistency in each batch's quality, reducing waste and improving production efficiency. This is especially important for industries requiring strict quality control.
Extrusion granulators have specific requirements for the particle size and moisture content of raw materials, usually with a particle size of less than 2 millimeters and moisture content between 5%-15%.
According to data from the USDA, the optimal moisture content varies for different materials, possibly requiring pretreatment such as drying or crushing to achieve the best conditions. Studies indicate that optimizing particle size and moisture content can improve granule forming quality by about 20%.
By adjusting the raw material mix and particle shape, the equipment can produce products that meet specific needs, enhancing market competitiveness.
Extrusion granulators have significant advantages in fertilizer production. Firstly, they can handle various types of raw materials, including organic and inorganic substances, with strong adaptability. Using extrusion granulators can improve fertilizer production efficiency by about 25%.
Secondly, the equipment can precisely control granule size and density, ensuring the uniformity and effectiveness of the fertilizer. Research shows that optimizing granule characteristics can increase fertilizer utilization by about 15%.
The closed-loop control system of extrusion granulators can reduce dust and waste production, thereby lowering environmental impact and operating costs. This equipment's efficiency and eco-friendly design make it an ideal choice to enhance product quality and competitiveness in the fertilizer industry.
Extrusion granulators directly affect the nutrient release of fertilizers by controlling granule structure and density. Firstly, the equipment can produce dense granules, enhancing the fertilizer's persistence in the soil. Dense granules can extend nutrient release time by about 20%.
Secondly, uniform granule shape aids in the even release of nutrients, improving crop absorption efficiency. Studies show that optimizing granule design can increase nutrient utilization by about 18%.
Extrusion granulation processes can embed slow-release materials to achieve precise nutrient release control. These characteristics allow fertilizers to perform better under different soil and climate conditions, providing farmers with more efficient nutritional solutions.
Regular maintenance is crucial for ensuring the longevity and efficiency of an extrusion granulator. Routine checks should include inspecting and cleaning the rollers and screws to prevent material buildup or blockage.
It's important to regularly lubricate moving parts to reduce wear and friction, which can help maintain smooth operation. Additionally, checking the calibration and alignment of components ensures the granules maintain consistent quality and size.
Scheduled inspections of the control systems and electrical components can prevent unexpected downtime and ensure the equipment runs safely and efficiently. Keeping a detailed maintenance log can also help identify patterns and potential issues before they become major problems.
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