Hammer mill
Pulverization of active pharmaceutical ingredients(APIs),including hard,crystalline,and fibrous materials,as well as materials requiring very fine particle size.
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Hammer mill
- High rotation speed and high efficiency
- Integrated Modular Design
- Titanium Alloy(TC4) Crushing Blades
Capable of pulverizing a wide range of materials with different properties
- No dust Leakage
- Jacketed Water Cooling
- Customized Design
- Optional waterproof、dustproof、explosion-proof features
Application
The rotor with cutting edges rotates at high speed,creating high-speed relative motion with the precision small-aperture screen,and the material is pulverized by the rotor's hammer and cutting edges.
main components
working chamber
Double screw powder feeding
screen mesh
Double screw system
Main factors affecting the crushing effect
- Grinding blade speed (maximum linear speed)
- Design of Grinding blade (blade thickness)
- powder feed rate
- Inlet position
- Material properties
- mesh aperture
Partial experimental data sharing of hammer mill
| Material Name | feature | Before the experiment | Before the experiment |
| Valsartan | Moisture absorption, low melting point | / | 19μm |
| penicillin | Freeze dried block shaped particles | Massive | 57.4μm |
| Orange essence | Has a certain degree of stickiness | 106μm | 29.1μm |
| Amoxicillin | Dry pressed granules | Particle powder | All passed through 65mesh |
| Fumaric acid | Need to control the temperature below 60 ℃ | powder | 35.1μm |
| clarithromycin | powder | 270μm | 24.7μm |
| blueberry | Blueberry fruit | Blueberry fruit | 130μm |
| citric acid | Easy to decompose due to moisture | small particles | 35.8μm |
| Celecoxib | White powder, insoluble in water | 52μm | 17μm |
| Sucralose | / | 78μm | 6.5μm |
| Nifedipine | Yellow, light-proof, alcohol-soluble | 167μm | 13μm |
| Metformin | Metformin hydrochloride | particle | 30μm |
| Probiotics | Block | Block | 37μm |
| Ibuprofen | Melting point: 70℃ | ＞100μm | 55.8μm |
Item | Unit | model | ||||
FSJ-140mini | FSJ-140 | FSJ-210 | FSJ-280 | FSJ-420 | ||
Capacity | kg/h | ≤10 | ≤60 | ≤300 | ≤1200 | ≤2500 |
Power of motor | kw | 0.75 | 2.2 | 5.5 | 7.5 | 11 |
particle size | μm | 25-200 | ||||
Maximum speed | r/min | 15000 | 15000 | 10000 | 7500 | 6000 |
Installed capacity | kw | 1 | 2.5 | 7 | 9 | 13 |
| Dimension | mm | 800*350*700 | 900*700*1300 | 1000*850*1650 | 1600*900*1900 | 2000*1000*1950 |
| power | V/Hz | 220/50 | 380/50 | |||
Double screw feeder | N/A | Double screw feeder | Double screw feeder | Double screw feeder | Electric multi-page butterfly valve | Electric multi-page butterfly valve |
cooling system | N/A | N/A | Surrounding water-cooled crushing chamber+Axial system with water cooling and air cooling. | |||
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Hammer mill laboratorial（FSJ-140mini）
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Pulverization of active pharmaceutical ingredients(APIs),including hard,crystalline,and fibrous materials,as well as materials requiring very fine particle size.
By utilizing the high-speed relative motion between the rotor and the screen, agglomerated materials are rapidly granulated under the rotor’s compression, passing through the screen holes, with the finished granules discharged instantly.
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No. 2, No. 712 Xiangfu Avenue, Shuangfu Street, jiangjin district, Chongqing
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