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Powerful HM Series Hammer Mill for Sale - High-Efficiency Grinding Solution from China Suppliers & Factory
Working Principle
Kemai HM series hammer mill is mainly composed of a shell, a rotor, a bearing iron and a grate. The shell is divided into two parts, which are welded by cutting steel plates, and the other parts are connected by bolts. The interior of the case is inlaid with high manganese steel liner, easy to replace after wear; An array of hammers with regular distribution is installed on the spindle, and a rotor is formed with a turntable and a hammer shaft. The main engine drives the main shaft through the motor and the triangle belt, so that the rotor rotates, the hammer head is extended to all sides by the centrifugal force generated by the rotation, and the large material enters the crushing chamber from the feed port, and is smashed by the high-speed hammer. The crushed qualified material is discharged by the grate with gaps at the bottom, and the unqualified material is left in the crushing chamber, and is repeatedly acted on by the hammer and the bearing iron block until it can be discharged qualified. In order to avoid clogging, the water content of the crushed material is generally not more than 5%.
Characteristic and feature of HM series hammer mill
(1) low energy consumption, grinding system power consumption is 20 ~ 30% lower than the ball mill, and with the increase of raw material water, the energy-saving effect is more obvious
(2) The wearing parts are made of special raw materials, and the service life of the wearing parts can generally reach more than one year, and the service life can reach 2-5 years when processing calcium carbonate and calcite.
(3) It is equipped with a limiting mechanism to prevent direct contact between the roller sleeve and the mill liner, to avoid destructive and violent vibration caused by friction and collision between metals, and to increase safety
(4) HM hammer mill uses a fully sealed system, the system operates under negative pressure, no dust, clean environment.
Technical parameters of HM series hammer mill
| Model | HM-75 | HM-90 | HM-132 |
|---|---|---|---|
| Rotor diameter (mm) | 750 | 900 | 1150 |
| Rotor length (mm) | 800 | 1200 | 1500 |
| Rotor speed ( r/min) | 800-1000 | 800-1000 | 550-800 |
| Max feeding size (mm) | <50 | <70 | <90 |
| Output size (mm) | 0-3 | 0-5 | 0-8 |
| Capacity (T/h) | 45585 | 25-45 | 50-80 |
| Power (Kw) | 75 | 90 | 132 |
| Hammer quantity (pcs) | 18 | 32 | 32 |
| Dimension (L×W×H/mm) | 2310×1665×1610 | 2840×2100×2020 | 3720×2650×2540 |
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Frequently Asked Questions (FAQ)
What are the main components of the HM series hammer mill?
The HM series hammer mill is mainly composed of a shell, a rotor, a bearing iron, and a grate. The interior of the case is inlaid with a high manganese steel liner for easy replacement.
What is the recommended water content for materials processed by the HM series hammer mill?
To prevent clogging during operation, the water content of the crushed material should generally not exceed 5%.
How does the energy consumption of the HM series hammer mill compare to a ball mill?
The grinding system power consumption of the HM series hammer mill is 20% to 30% lower than that of a ball mill, and the energy-saving effect becomes more prominent as the raw material water content increases.
What is the expected service life of the wearing parts?
The wearing parts are made of special raw materials. Their service life generally exceeds one year, and can reach 2 to 5 years when processing calcium carbonate and calcite.
How does the machine ensure safe and low-vibration operation?
It is equipped with a limiting mechanism that prevents direct contact between the roller sleeve and the mill liner. This avoids violent vibration and safety hazards caused by metal-to-metal friction and collision.
Is the HM series hammer mill environmentally friendly?
Yes, it uses a fully sealed system operating under negative pressure to prevent dust emissions, ensuring a clean and safe working environment.