Spiral Jet Mill

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Ideal for dry grinding materials up to a Mohs hardness of 9

Suitable for dry grinding of materials with a Mohs hardness < 9, especially those with high hardness, purity, and added-value
Grinding without the aid of grinding media at constant or low temperatures, especially suitable for heat-sensitive materials with a low melting point, sugar, or volatility
Available particle size between D50: 2 - 100 μm
No rotating parts, easy to disassemble and clean
Mill casing is made from one piece of steel plate by CNC processing without welding seams
Easy Cleaning In Place (CIP) & Sterilization In Place (SIP)

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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