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E-mail
13401240727@163.com
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Phone
13401240727,18752480727,18914407216
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Address
No. 10 Longgang Road, Gaogang Port, Taizhou City, Jiangsu Province
Taizhou Gaoqun Pharmaceutical Machinery Co., Ltd
Research on the Process Principle of Swing Granulator
Date: 2025-05-20Read: 7
1、 Core structure and power transmission
The core components of the swing pellet machine include the drive system, drum device, and screen assembly. The motor drives the worm gear reduction mechanism through a pulley, driving the drum equipped with a trapezoidal scraper to oscillate back and forth, with the oscillation amplitude usually controlled within the range of 30 ° -45 °. The screen assembly adopts an adjustable clamping structure, and the quick replacement of different aperture screens (0.3-5mm) can be achieved by rotating the handwheel.
2、 Material handling process
1. Material filling
Wet materials (with a moisture content of 15% -35%) or dry powder enter the rotating drum from the feed inlet, with a filling rate controlled between 60% -75%. The reciprocating swing of the drum generates centrifugal force, which evenly distributes the material on the surface of the sieve.
2. Extrusion molding
When the drum swings, the trapezoidal scraper and the sieve form a composite force of compression shear, and the material is formed through the holes of the sieve under mechanical pressure (20-100kN). The swinging motion trajectory causes the material to continuously compact in the mold groove, forming uniform particles with a density of 0.6-1.2g/cm ³.
3. Cutting and shaping
The built-in rotary cutter performs fixed length cutting on continuously extruded strip materials, and the cutting length is controlled by the coordinated movement speed of the screen and the cutter speed. This process integrates the processes of extrusion and cutting, with a yield rate of 85% -95%.
3、 Key process characteristics
1. Dynamic adaptability: By adjusting the swing frequency (30-100rpm) and mesh aperture, the particle size can be controlled within the range of 0.3-5mm.
2. Energy efficiency: The worm gear transmission system, combined with a swinging motion trajectory, has an energy conversion efficiency of 65% -78% and a specific energy consumption of 0.05-0.15kWh/kg.
3. Material compatibility: Suitable for pharmaceutical excipients, chemical powders, and food raw materials with viscosity of 500-5000cP, capable of handling dual processes of block dry material crushing and wet powder granulation.
The swing granulator achieves efficient and continuous particle forming process through the synergistic effect of mechanical transmission and dynamic compression. Compared to rotary granulation equipment, the reciprocating swing design reduces material residue and improves the service life of the screen mesh.
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