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21 26 Rollers Ultrafine Grinding Mill PLC Auto Control System Wide Fineness Range

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21 26 Rollers Ultrafine Grinding Mill PLC Auto Control System Wide Fineness Range

21  26 Rollers Ultrafine Grinding Mill PLC Auto Control System Wide Fineness Range
21  26 Rollers Ultrafine Grinding Mill PLC Auto Control System Wide Fineness Range

Large Image :  21 26 Rollers Ultrafine Grinding Mill PLC Auto Control System Wide Fineness Range

Product Details:

Place of Origin: China
Brand Name: HK
Certification: ISO CE
Model Number: 2126

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: nude and plywood
Delivery Time: 30 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 1000 Set Per Year
Detailed Product Description
Rollers: 26 Or 21
High Light:

ultra fine powder grinding machine


grinder for fine powder


plc control ultrafine grinding mill

PLC Auto Control System Ultrafine Grinding Mill With Wide Fineness Range


    Ultrafine Grinding Mill is whole system for producing ultrafine powder, which includes pipes, pulse-jet collector, blower, grinding mill, classifier, feeder, elevator, crusher, electric control cabinet, air compressor, packing machine, screw conveyor. The ultrafine grinding mill can do crushing, grinding, classifying together, which brings higher efficiency and higher output.


   Ultrafine grinding mill is widely used in various non-metallic industries, such as bentonite, calcium carbonate, calcite, talc, limestone, dolomite, kaolin, marble etc.. The fineness of finished powder can reach 400 and 2500 mesh. The ultrafine grinding mill has the following features: easy operation and installation, higher output, lower investment, lower power consumption, longer working life of wear parts.


     The powder produced by the ultrafine grinding mill has bettter shape and fluidity by crushing, impacting and grinding. And the fineness can also be adjusted by change the speed of classifier motor. This also can increase company's competitiveness. The ultrafine grinding mill runs under negative pressure so that the powder can’t go outside. It is easy and convenient to install and do maintenance. And this ultrafine grinding mill also need a small area to install.


It is very important to lubricate the ultrafine grinding mill regularly. Mill bearing base, classifier bearing base, elevator driving part and blower are all needed to be lubricated. For the first mill running, one week is ok. After one week, please use the kerosine or diesel to clean the lubricated parts, and then put new grease or oil. Pay attention to the lubricant volume, ensure the volume is not too high or too low. Please ensure any sand or oil should not be go in the mill with the lubricant.


How to Adjust Ultrafine Grinding Mill:


1. Increase the feeding rate, the belt conveyor motor and mill motor current will also increase; and the blower motor current will decrease. If the feeding rate is much higher, raw material will accumulate in the mill; the powder size will not be the same; the mill motor current and classifier motor will be also higher. Lower feeding rate will cause the lower production capacity. How to judge the suitable feeding rate for the mill?

there are two situations:

If the air force is enough (if possible, surplus air), the mill should be adjusted according the mill motor rated current(max). at the rated current, the production capacity can be highest.

B. if the air force is not enough, the mill should be adjusted according to the mill state in which there appears block in the mill, that is, when the feeding current increases continuously, the mill motor current will increase gradually; the fan motor current will decrease gradually and then the fan current will not decrease and change, which means the blower block point. If the feeding rate continues to increase, the blower motor current will decrease obviously. At this blower block point, there will be a mill motor current, which means the highest production capacity for the mill.


(2) Extra air pipe valve adjustment: when the valve is open too much(more extra air is discharged), part of the air volume will be wasted; when the valve is open too little(too less extra air is discharged), some extra air will be discharged from the feeding inlet, which will bring some powder out and pollute the workshop. The right way to adjust this valve: make sure there is no air discharged from the feeding inlet and just little air is sucked into the mill.


(3) Classifier adjustment:

With the same feeding rate and air volume, the higher rotation speed of the classifier, the lower the production capacity; the lower rotation speed of the classifier, the higher the production capacity.

(4)Record all the related technical data and production capacity.

After the mill works well, take some powder from the discharging valve and check the fineness. When the powder is coarser, please increase the classifier rotation speed or reduce the air volume. When the powder is much finer, please reduce the classifier rotation speed or increase the air volume. At the same time, please adjust the feeding rate according to the mill working condition to ensure the qualified powder fineness.

Please record the production capacity with the related fineness to ensure highest working efficiency of the mill.


     Technical Data of Micro Powder Grinding Mill:

Mesh 21 Rollers 27 Roller
D97 Output Power Output Power
Kg/h kw/h Kg/h kw/h
300 3000-3500 43-50 5000-5500 43
800 2500-2800 54-60 3200-3800 62
1250 1500-1800 84-101 2300-2500 103
1500 1000-1300 116-152 2000-2300 118
2000 650-750 202-233 1500-1800 158
2500 600-650 233-253 1200-1300 197
Total Power 152kw 237kw

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Contact Details
Guangxi Henkry Machinery Co., Ltd

Contact Person: Henry

Tel: +86 188 9987 6785

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