What is the optimum humidity for materials processed in the powder grinding production line?

It'd better keep the humidity below 7% to get the best grinding effects. If the material is too wet, the machine will be locked to negatively influence the grinding efficiency and effect.

What if the grinding fineness does not meet the requirements of finished products?

The grinding fineness can be controlled by adjusting the speed of the powder concentrator and fan..

How to choose the suitable powder grinding production line??

The core machine in the powder grinding line is a powder grinding machine, which will influence the performance of the whole grinding line. There are two things that can be considered to choose a suitable powder grinding mill. The powder mill can be chosen according to the requirement of discharging size. In general, powder mill can be divided into four types, and different types of the grinding mill have different discharging size. The discharging fineness of the ball mill is usually 150 to 250 meshes, the Raymond mill is 80 to 325 meshes, HGM is 80 to 800 meshes, and three-ring and medium speed micro powder mill can reach 2000 meshes. The powder grinding mill can also be selected according to the nature of materials. If the material has high hardness, it's better to use the ball mill, and that with medium hardness can adopt Raymond mill and HGM German high-efficiency powder grinding mill.

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Model	Feeding size (mm)	Finished product size (mm)	Capacity (t/h)	Grinding ring diameter (mm)	Number of grinding roller	Power of main machine (kW)	Blower power (kW)	Analyzer power (kW)	Transmission type
HGM88	<25	0.25-0.015	0.4-5	908	3	22	22	5.5	V-belt transmission
HGM95	<25	0.25-0.015	0.6-7	1006	3	37	37	7.5	V-belt transmission
HGM120	<25	0.25-0.015	1.2-15	1280	3	55	75	15	Reducer transmission
HGM130	<25	0.25-0.038	1.6-21	1400	4	75	90	18.5
HGM138	<25	0.25-0.038	2-25	1510	4	90	110	22
HGM160	<30	0.25-0.038	2.7-28	1770	5	132	160	22/30
HGM175	<35	0.25-0.038	3-35	1900	5	185	200	30
HGM190	<40	0.25-0.038	5-40	2040	4	250/280	250/280	45/55

Note:processing Capacity May Vary With Different Materials And Feeding Sizes.

Model	Capacity (t/h)	Power of main machine (kW)
HGM88	0.4-5	22
HGM95	0.6-7	37
HGM120	1.2-15	55
HGM130	1.6-21	75
HGM138	2-25	90
HGM160	2.7-28	132
HGM175	3-35	185
HGM190	5-40	250/280

Note:processing Capacity May Vary With Different Materials And Feeding Sizes.