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Home > News > How to choose the grinding mill equipment for grinding 200 mesh to 400 mesh high ice nickel minerals?

How to choose the grinding mill equipment for grinding 200 mesh to 400 mesh high ice nickel minerals?

fxy/ Release time : 2023-02-15

High ice nickel is ingot-shaped in appearance and is a eutectic of nickel, copper, cobalt, iron and other metals from nickel concentrate through primary smelting in electric and converter furnaces; unit weight: 1.5 to 4.0 tons; high ice nickel is brittle and has a bright metallic luster in the cross section. High ice nickel is often used in the production of electrolytic nickel, nickel oxide, ferronickel, nickel-containing alloys and various nickel salts, and special treatment can also be used directly in steelmaking. Want to get 200 mesh to 400 mesh nickel powder finished products, without the credit of grinding machine, how to choose a suitable grinding machine is very important to manufacturers.

High ice nickel grinding is divided into three types, respectively, high ice nickel coarse powder processing ( 0-3MM), fine powder processing (20 mesh - 400 mesh), and high ice nickel ultra-fine powder deep processing (400 mesh - 3250 mesh). Then 200 mesh to 400 mesh belongs to fine powder processing, and Liming Heavy Industry recommends a piece of equipment for you - LM Vertical Mill.

LM Vertical Mill is an energy-saving mill equipment combined with mature vertical mill technology, successful foreign experience and our company's technological innovation and upgrade. It integrates crushing, drying, grinding, classifying and conveying, and can be widely used in cement, electric power, metallurgy, chemical industry, non-metallic mining and other industries, and focuses on the three major fields of non-metallic ore, coal powder and slag.

The grinding of high ice nickel is divided into four main stages.

First stage: Crushing

The high ice nickel bulk material is crushed by the crusher to the feed fineness (15mm-50mm) that can enter the mill.

Second stage: Grinding

After crushing, the high ice-nickel lumps are sent to the silo by the elevator, and then sent to the grinding chamber of the mill for grinding by the vibrating feeder in a uniform and quantitative manner. Fine powder processing is generally selected as LM Vertical Mill, MTW European Trapezium Mill and 5X Pendulum Roller Grinding Mill.

Third stage: Classifying

The material after grinding is graded by the powder selector, and the unqualified powder is graded by the powder selector and returned to the main machine for regrinding.

Fourth stage: Powder collection

The powder which meets the fineness enters the dust collector with the airflow through the pipe for separation and collection, and the collected finished powder is sent to the finished product bin by the conveying device through the discharge port, and then packaged uniformly with the powder loading tanker or automatic baler.

LM vertical grinding mill basic technical parameters.

Series Ore Mill
Model LM1300K LM1500K LM1700K LM1900K LM2200K LM2400K LM2800K LM3400K LM3700K
Disc Dia. (mm) 1300 1500 1700 1900 2200 2400 2800 3400 3700
Capacity (t/h) 10~40 13~50 18~70 23~85 36~135 41~164 50~196 70~260 90~320
Output fineness micron 170~33 170~33 170~33 170~33 170~33 170~33 170~33 170~33 170~33
mesh 80~425 80~425 80~425 80~425 80~425 80~425 80~425 80~425 80~425
Product moisture ≤1% ≤1% ≤1% ≤1% ≤1% ≤1% ≤1% ≤1% ≤1%
Max.input size (mm) <38 <40 <42 <45 <50 <55 <58 <62 <65
Best input moistrure <4% <4% <4% <4% <4% <4% <4% <4% <4%
input moistrure(drying required) 4~15% 4~15% 4~15% 4~15% 4~15% 4~15% 4~15% 4~15% 4~15%
Inlet air temperature (℃) <350 <350 <350 <350 <350 <350 <350 <350 <350
Outlet air temperature (℃) 70~95 70~95 70~95 70~95 70~95 70~95 70~95 70~95 70~95
Power (KW) 185~220 250~280 355~400 450~500 710~800 800~900 1120 1800 2240

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