How it works
The spiral jet mill utilizes compressed air to bring the raw materials into the grinding chamber via a feeding ejector. The high-speed airflow ejected by multiple nozzles propels the raw materials tangentially onto the grinding liner, resulting in friction-based grinding. To control the grinding fineness, you can adjust either the longitudinal depth of the grinding chamber, the pressure, or the feed speed; however, this is not as precise as a fluidized bed jet mill.
Technical Parameters
| Parameter | MQP01 | MQP02 | MQP03 | MQP06 | MQP10 | MQP20 | MQP30 | MQP40 | MQP60 | MQP80 | MQP100 |
| Feed size (mm) | < 1 | < 1 | < 1 | < 1 | < 1 | < 2 | < 2 | < 2 | < 2 | < 2 | < 2 |
| Product size (D97:μm) | 5~45 | 5~45 | 5~45 | 5~45 | 5~45 | 5~45 | 5~45 | 5~45 | 5~45 | 5~45 | 5~45 |
| Production capacity (kg/h) | 0.02~0.1 | 1~10 | 5~30 | 10~20 | 50~500 | 100~800 | 200~1000 | 500~2000 | 1000~3000 | 4000~6000 | |
| Air consumption (m³/min) | 1 | 3 | 6 | 10 | 20 | 30 | 40 | 60 | 80 | 100 | |
| Air pressure (Mpa) | 0.6~1 | 0.6~1 | 0.6~1 | 0.6~1 | 0.6~1 | 0.6~1 | 0.6~1 | 0.6~1 | 0.6~1 | 0.6~1 | 0.6~1 |
| Nozzles | 5 | 4 | 6 | 6 | 8 | 12 | 16 |
| Parameter | MQPW06 | MQPW10 | MQPW15 | MQPW20 | MQPW30 |
| Feed size (mm) | < 2 | < 3 | < 3 | < 3 | < 3 |
| Product size (D97:μm) | 8~150 | 8~150 | 8~150 | 10~150 | 10~150 |
| Production capacity (kg/h) | 10~200 | 20~400 | 50~800 | 150~1500 | 300~2000 |
| Air consumption (m³/min) | 6 | 10 | 15 | 20 | 30 |
| Air pressure (Mpa) | 0.7~0.85 | 0.7~0.85 | 0.7~0.85 | 0.7~0.85 | 0.7~0.85 |
| Installed power (kW) | 30~37 | 65~85 | 85~100 | 120~142 | 175~200 |
Note: The particle size, specific gravity, hardness, and moisture of raw materials are all closely associated to the production capacity. These parameters should only be used as a reference; for more detailed information please consult our engineers.
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ALPA is a highly respected name in particle and powder processing, transforming the way the industry views traditional powder processing. Our research and development initiatives have focused on dry grinding, classification and separation, powder shape control and surface modification of particles and powders over the past two decades. As a result, we are proficient in providing tailored, CE-certified products, such as air jet mills, mechanical mills, air classifiers, ball mill with classifier, surface modification lines and more.
