Reversible Hammer Mill
The reversible hammer mill is designed for fine crushing applications in circulating fluidized bed (CFB) boiler systems and coal gangue backfill projects. The hammer mills are specially useful where stable particle size control, fuel adaptability, and continuous operation are critical to overall system performance.
Backed by more than 20 years of application and service experience, SDPLDL has continuously optimized the structure and operating performance of its reversible hammer mill to better handle changing coal qualities and demanding working conditions. Today, the hammer mill is widely used in CFB boiler systems, coal gangue processing, and fuel preparation projects. It has become a preferred solution for many system upgrade and capacity improvement applications.
Coal type and fuel quality can change frequently in power plants and coal processing systems. To improve adaptability, the reversible hammer mill is designed with a more flexible crushing structure, allowing to handle a wider range of coal types and mixed fuel materials more efficiently. It extends hammer life, increase production efficiency, and reduce maintenance frequency and servicing costs.
Flexible hammer configuration
Multi-stage crushing gap adjustment

Crushing principle and adjustable hammer-to-breaker plate clearance design

Bi-metal hammer heads

Synchronous adjustment mechanism, worm gear design with a 50:1 reduction ratio allows easier and safer adjustment with smaller feed movement requirements

Four adjustment points operate simultaneously to maintain a uniform clearance between the hammer heads and breaker plates

Full-opening maintenance door for easy access

Movable hydraulic opening station

Automatic bearing lubrication system
| Dimensions Capacity | A | B | C | D | L | L1 | W | W1 | H | H1 | H2 | Total Weight |
| t/h | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ton |
| 80-120 | 1600 | 1230 | 730 | 1524 | 3993 | 4570 | 2685 | 4590 | 3580 | 0 | 1807 | 15 (without operating platform) |
| 150-250 | 1340 | 1800 | 730 | 1776 | 5242 | 6274 | 3016 | 4724 | 4197 | 362 | 2057 | 22.6 (with operating platform) |
| 300-350 | 1714 | 1660 | 730 | 2084 | 5876 | 7211 | 3016 | 4724 | 4427 | 470 | 2057 | 29.5 (with operating platform) |
| 400-500 | 2322 | 1660 | 730 | 2692 | 6780 | 8780 | 3016 | 4724 | 4427 | 470 | 2057 | 35.4 (with operating platform) |
| 600-700 | 2626 | 1660 | 730 | 2996 | 7718 | 8880 | 3016 | 4724 | 4482 | 515 | 2057 | 43.6 (with operating platform) |
| 800-1000 | 2930 | 1660 | 730 | 3300 | 8094 | 9194 | 3016 | 4724 | 4482 | 515 | 2057 | 51.5 (with operating platform) |
Note: Specifications in this table may vary depending on project requirements and coal characteristics. Data is provided for reference only.
Investment Casting & Industrial Valves
