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SCM Ultrafine Mill

Development of ultrafine mill

For almost 30 years, SBM has being specializing in all facets of ultrafine mill design and maintenance. SCM series ultrafine mill is specially designed for super fine powder grinding. Now it's growing more and more popular with its reliable technology and perfect after-sale services.

Application:SCM Super-micro mill is mainly used to produce fine powder and super fine powder. It is applicable to non-flammable and non-explosive materials with hardness less than 6, such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talcum, talc, magnesite, illite, pyrophyllite, vermiculite, sepiolite, etc.

Service:Supply the most current design and technical expertise;Supply parts sales and training service far beyond the initial sale;Your profits with quality parts and expert service.

Ultrafine Mill Principle

The chunks of material are crushed to the required granularity by the hammer crusher and then sent to the silo by the hoisting machine and fed into the host machine through the feeding equipment in an even and continuous manner. The material entering the host machine falls onto the upper part of the host turntable with the inclined draft tube On the bulk tray.

When the host is working, dozens of grinding rollers rotate in the loop and roll. The material in the role of centrifugal force scattered by scattered around the plate and into the grinding chamber, grinding ring in the ring stamping, rolling, grinding.

After multi-layer crushed and milled material, with the fan air flow into the separator for powder classification, under the action of the separator impeller, the material does not meet the fineness requirements fall back into the mill cavity and re-grinding, in line with the fine Degree of the required material will then enter the cyclone powder collector with the separation of part of the powder collected by the bottom of the discharge device is the finished product powder discharge. The rest part of the powder from the cyclone dust collector into the upper part of the pulse dust collector, and adhesion to the surface of the filter bag, pulse valve to control the high-pressure air flow to the filter bag caused by the rapid infiltration caused by the dramatic expansion of fluctuations, through the filter bag Suddenly jitter bounce off the adhesion of the powder, falling powder in the lower part of the precipitator, the two collected by the screw conveyor to collect the discharge is the finished product. After filtering the air flow through the muffler discharge to the air. The system is an open system, operating under negative pressure.

SCM series ultrafine mill closed-circuit grinding process

Grinding process is divided into closed and open two, proven by practice, open grinding system has the advantage of simple operation, the material is finished after the mill. However, it should be noted that the material flow in the mill slow, long residence time, it is likely to cause excessive grinding of the material, the particle size of the finished product is its disadvantage.

Therefore, we advocate and promote the use of closed-circuit grinding system, SCM series ultrafine mill with a selection of powder equipment, through the timely removal of the fine powder discharged outside the mill, so as to effectively avoid the open mill system problems . At the same time, the material flow rate in the closed circuit mill is accelerated, and the grinding bodies in each silo bear proper crushing or grinding tasks respectively, so the capacity of the equipment can be increased by 40%.

Shanxi users to us, SCM10036 ultrafine mill to replace the ball mill, the cement production line output from the original 20t / h increased to 27t / h, grinding power consumption decreased from 52.8kwt / h to 42.3kwt / h, From the perspective of production efficiency, power consumption contrast, greatly enhance the economic efficiency of enterprises.

SCM series ultrafine mill multi-stage series grinding process

The structural design of SCM series ultrafine mill absorbs the multiple advantages of ball mill and ultrafine mill, adheres to the working concept of multi-mill and mill-less, and strives to reduce the particle size of the mill material. SCM ultrafine mill is the main processing method is roll grinding + ball mill grinding process, but also a variety of vertical mill and ball mill cascade grinding process configuration.

Material from the feed port into the ultrafine mill, the crushed cement clinker into the roll pressure mill, a strong roller pressure crush it from tens of millimeters to a few millimeters or even fine after the fineness grading. Tandem grinding process represents a relatively new milling technology, stand-alone multi-machine features, dozens of roller rotation in the ring road, rolling. The material in the role of centrifugal force scattered by scattered around the plate and into the grinding chamber, grinding ring in the ring stamping, rolling, grinding. A number of separator work together, the secondary fineness of cement products reached d97 ≤ 5μm.

SCM Ultrafine Mill Features

  1. High Output and low energy consumption;

  2. High fineness and flexible adjustment;

  3. Safe and Reliable;

  4. Clean and environmental friendly;

SCM Ultrafine Mill Technical Data

Name & Model SCM8021 SCM9024 SCM10036 SCM12544
Ring roll number (pcs) 21 24 36 44
Working diameter (mm) Φ800 Φ900 Φ1000 Φ1300
Grinding rill and roller path number (pcs) 1X3 2×4 1×4 2×4
Revolving Speed (rmin) 230-240 200-220 180-200 135-155
Max feed size (mm) ≤10 ≤20 ≤20 ≤20
Final size (mesh) 325-2500 325-2500 325-2500 325-2500
Output (kgh) 400-4500 600-5500 400-7500 1200-12000
contour dimension (mm) 13000×3000×5800 14700×4800×8600 18000×4600×8600 14000×9000×10250
Whole machine capacity (kw) 144-165 185-204 263-290 380-430
Main motor Model YB2-250M-4 YB2-280M-8 YB2-315L1-6 YB2-315L2-6
Power (kw) 55 45×2 110 160
Rotate speed (rmin) 1440 980 990 990
Analytical engine (FM motor) Model Y180M-4 Y180L-4 Y100L1-4 YB2-225S-4
Power (kw) 18.5 22 30 37
Rotate speed (rmin) 1440 1440 1440 1440
Blower motor Model Y225M-2 Y250M-2 Y280M-2 YB2-250M-2
Power (kw) 45 55 75 55×2
Rotate speed (rmin) 2940 2940 2940 2940
Elevator Bucket model TH-200 TH-200 TH-300 TH-300
Motor model Y100L-4 YB2-100L2-4 YB2-112M-4 YB2-112M-4
Motor power (kw) 3 3 4 4
Rotate speed (rmin) 1440 1440 1440 1440
Hammer Crusher Hammer Crusher model PC300×400 PC400×600 PC400×600 PC600×800
Motor model YB2-160M-4 YB2-180M-4 YB2-180M-4 YB2-280S-6
Power (kw) 11 18.5 18.5 45
Rotate speed (rmin) 1440 1440 1440 990
Magnetic vibrating feeder Model GZ1F GZ1F    
Power (kw) 0.06 0.06    
Electrical machine Model     LS159×1050 LS159×2000
Power (kw)     2.2 3
Discharge valve Discharge valve model ZJD-200 ZJD-200 ZJD-200 ZJD-250
Motor model YB2-80M2-4 YB2-80M2-4 YB2-80M2-4 YB2-90S-4
Power (kw) 0.75×2 0.75×2 0.75×3 1.1
Rotate speed (rmin) 1440 1440 1440 1440
Pulse dust collectors Model DMC120-II model DMC144-II model DMC184-II model DMC160-II model*2
Air compressor Air compressor Model KSH100D-7.5KW KSH240D-15KW KSH240D-15KW KSH240D-15KW×2/td>
Motor model YB2-132M-4 YB2-160L-4 YB2-160L-4 YB2-160L-4
Power (kw) 7.5 15 15 15
Rotate speed (rmin) 1440 1440 1440 1440

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