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Limestone Micro Powder Grinding Mill With PLC Auto Control System 26 Rollers

Guangxi Henkry Machinery Co., Ltd
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Limestone Micro Powder Grinding Mill With PLC Auto Control System 26 Rollers

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Brand Name : HK

Model Number : 26

Certification : ISO CE

Place of Origin : China

MOQ : 1

Price : Negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union

Supply Ability : 1000 Set Per Year

Delivery Time : 30 days

Packaging Details : nude and plywood

Rollers : 26

Fineness : 400-2500mesh

Sieving Rate : 97%

Total Power : 237kw

Ring Layers : 4

Mohs hardness : less than 6

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Limestone Micro Powder Grinding Mill with PLC Auto Control System:

The right way to operate the limestone micro powder grinding mill:

Operate the micro powder grinding mill according to the following steps.

Before press the power button, and the voltage indicator should be at the “380” position.
(1) Start the elevator.
(2) Start the jaw crusher and ensure there is enough raw material in the hopper.
(3) Start the classifier with the right rotation speed for the needed fineness.
(4) Start the blower and adjust the air valve installed in the pipe properly for the needed air volume.(sometimes, if there is some powder in the mill before start; make the fan run for a while. At the same time, use the hammer to hit the pipes and pulse collector bottom part to make the powder fall down. These powders should go into the mill for being reground. After clearance, move the valve to the right position.)
(5)Start the air compressor. Start the pulse collector controller and open the air valve. If there is “Bang” “Bang” “Bang” sound in the pulse collector, it show that the pulse collector is in the normal working condition. The air compressor working pressure should be suitable. If much higher, the filtering bags will be damaged; if much lower, the powder cannot be wiped out from the filtering bags completely. The pulse collector controller has been adjusted at the proper position without any adjustment when working. When abnormal working condition happens, this controller should be adjusted again.
(6)Start the mill; The time for the mill running without any material cannot be long (less than 2 minutes) for protecting the roller and ring. At the same time, there shouldn’t be more material in the mill for not making the mill run at a higher loading condition.
(7) Start the belt conveyor.
Structure of Micro Powder Grinding Mill:

The micro powder mill has the folllowing components: crusher, elevator, hopper, feeder, classifier, mill, collector, blower and electric control cabinet. And delivery and installation of the whole micro powder grinding mill system is simple and easy to be completed. As the micro powder grinding mill has been tested in the factory, so the micro powder grinding mill can run as soon as the installation is completely. Generally speaking, one engieer from factory can do installation and test running work. Micro powder grinding mill has the advantages of higher output, low investment and simple grinding technique. The mechanical and chemical reaction in the process of grinding is also good to improve powder activity.

Working Principle of Micro Powder Grinding Mill:

A)The raw material will be lifted into the hopper by elevator after being crushed by crusher.
B)The raw material will go to the mill by the belt conveyor.
C)The material will be ground into powder between the roller and ring.
D)The qualified powder will go into the pulse collector through the classifier. And the unqualified powder will fall down to the mill for being reground.
E) The powder will be collected in the collector and the clean air will go out through the fan.

Special Features of Calcite Ultrafine Grinding Mill:

1. High efficiency and energy saving: For the same fineness of the finished powder and same power of the motor, the output of micro powder grinding mill is double more than that of the jet mill, agitator mill and ball mill.


2. Longer service life of wearing parts: Grinding roller and grinding ring are forged with special materials, which greatly improves the utilization degree. With the same fineness of materials and finished products, the service life of the wear parts is 2-5 times longer, generally up to one year. When processing calcium carbonate and calcite, the service life can reach 2 -5 years.


3. Micro powder grinding mill can be connected the packing machine seamlessly, which can increase packing efficiency and lower labor costs.


4. Perfect contact surface between rollers and ring: The compatible surface contact between rollers and rings can increase crushing force and grinding area and improve crushing efficiency. And this will be useful for producing ultrafine calcite powder.


5. High safety and reliability: Because there are no rolling bearings and screws in the grinding chamber, there is no problem that the bearings and their seals are vulnerable, and there is no problem that the screws are easy to loose and damage the machine.


6. High product fineness: The fineness of three or four ring medium-speed ultra-fine grinding products can reach D97≤5μm at one time.


Technical Data of Calcite Ultrafine Grinding Mill:


Mesh21 Rollers27 Roller
D97OutputPowerOutputPower
Kg/hkw/hKg/hkw/h
3003000-350043-505000-550043
8002500-280054-603200-380062
12501500-180084-1012300-2500103
15001000-1300116-1522000-2300118

2000

650-750202-2331500-1800158
2500600-650233-2531200-1300197
Total Power152kw237kw


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