Daesung Machinery Co,.Ltd
 
 
 
 
 

This pulverizer has a classifier in the grinding chamber so it can freely adjust the particle size.
It is widely used for chemicals, powder coatings, foods, nonferrous metals, and others.
It is easy to clean and is suitable for multi-product production
NO TITLE MATERIAL
1 COVER SUS304
2 HOUSING SUS304
3 SEPRATOR SUS304
4 MILL SKD61
5 FRAME SUS304
6 BEARING HOUSING SUS304
7 BUFFLE RING SUS304
8 SCREW FEEDER SUS304


CM Series Classifying Mill

It is used to grind a large quantity of low-melting point materials. In order to prevent the materials
from being melted by grinding heat, it supplies cooling and dehumidifying air. For final distribution
of powder, a ultrasonic screen has been used

air classifying mill line 3d

Description of ACM Pulverizer

ACM means Air Classifying Mill, which is able to adjust the particle size through
air classification when grinding. Grinding is done by pin and liner in the grinding chamber,
and classification is done by air classifier in the grinding chamber
Structure of ACM Pulverizer

ACM pulverizer is used to make the products of all the industrial fields into minute particles.
It is applicable for any of customers' requirements whatever the products to grind are such
as chemicals, foods, candies, cookies, minerals, powder coatings, plastics, etc.
The mostremarkable part of this ACM pulverizer is elaborate and nice arrangement ofits components.
The main motor and the housing are fixed on the steel frame, and the axle is rotated by V-belt.
V-belt is located under the frame and it is easy to change a shaft from the lower part



Flow of Handling Material and Air

A handling material is put into the pulverizer by table feeder.
Air that is absorbed through the inhaling pressure of SUCTION FANDML
and a handling material are mixed and grinded between the pin and the liner in the grinding chamber.
The grinded powder, along evenly distributed ascending currents, is moved to the air classifier part.
At this time, by the rotating speed of the air classifier, the centripetal force and the centrifugal force are created

Powder, influenced by the centripetal force, is absorbed up into the discharge nozzle (6),
together with air, and thick particles, influenced by the centrifugal force, can't pass through the classifier
so they go back to the grinding zone (8) to be grinded again. In order to make the particle size smaller,
rotational frequency of the air classifier should be increased. At this time, in order to prevent the phenomenon of
bottle-neck in the pulverizer, the speed of feeding a handling material into the pulverizer should be lowered
Pulverizing

ACM pulverizer works based on the principle of impact grinding.
It uses a wing that revolves at over 90m/sec. Grinding of particles is done by the material's
being crashed against the rotating pin (8) and the fixed liner (3)
Classifying

The special feature of ACM pulverizer is the classifier wheel (5).
By two opposite forces (the centripetal force and the centrifugal force) and mass difference of material particles,
it classifies large particles and small ones. The limit for classification is set by adjusting the speed of revolution
of the classifier, and the limit is possibly adjusted even while grinding
Application
● Powder coatings
● Wax and low-melting point materials
● Various resins
● Agricultural chemicals, insecticides, etc
● Dyes and paints
● Foods
● Medicines
● Various chemicals
Classifying

The special feature of ACM pulverizer is the classifier wheel (5).
By two opposite forces (the centripetal force and the centrifugal force) and mass difference of material particles,
it classifies large particles and small ones. The limit for classification is set by adjusting the speed of revolution
of the classifier, and the limit is possibly adjusted even while grinding

Feature

● Grinding and classifying are done at the same time so it is easy to change the target particle size

● Its design is simple so it is easy to operate and clean

● Temperature rise is very small in spite of continuous grinding

● Particle distribution curve is immediately made after grinding so satisfactory particle sizes can be obtained

● It doesn't make serious noises, dusts, and arsenic acid so working environment is good

● Excessive grinding is prevented so grinding efficiency is very high

● For any others than low-melting point materials, it is possible to supply hot air to not only grind them,

   but also dry simultaneously

Adjustment of Particle Size

The following chart will help you understand the process of adjusting the particle size



Basic Process

The following chart will help you understand the process of adjusting the particle size



Example of Particle Size

The following chart will help you understand the process of adjusting the particle size
SIZE PASS CHAN
1408 100.00 0.00
1291 100.00 0.00
1184 100.00 0.00
1096 100.00 0.00
9 100.00 0.00
91 100.00 0.00
837.2 100.00 0.00
767.7 100.00 0.00
704.0 100.00 0.00
645.6 100.00 0.00
592.0 100.00 0.00
542.9 100.00 0.00
497.8 100.00 0.00
456.5 100.00 0.00
418.6 100.00 0.00
383.9 100.00 0.00
352.0 100.00 0.00
322.8 100.00 0.00
296.0 100.00 0.06
271.4 99.94 0.09
248.9 99.85 0.10
228.2 99.75 0.13
209.3 99.62 0.15
191.9 99.47 0.16
176.0 99.31 0.15
 
SIZE PASS CHAN
161.4 99.16 0.15
148.0 99.01 0.17
135.7 98.84 0.17
124.5 98.67 0.16
114.1 98.51 0.18
104.7 98.33 0.27
95.96 98.06 0.39
88.00 97.67 0.55
80.70 97.12 0.87
74.00 96.25 1.39
67.86 94.86 2.26
62.23 92.60 3.54
57.06 89.06 5.09
52.33 83.97 6.95
47.98 77.02 8.38
44.00 68.64 9.33
40.35 59.31 9.44
37.00 49.87 8.70
33.93 41.17 7.59
31.11 33.58 6.14
28.53 27.44 4.88
26.16 22.56 3.79
23.99 18.77 2.95
22.00 15.82 2.36
20.17 13.46 1.93
 
SIZE PASS CHAN
18.50 11.53 1.64
16.96 9.89 1.43
15.56 8.46 1.29
14.27 7.17 1.19
13.08 5.98 1.10
12.00 4.88 1.00
11.00 3.88 0.90
10.09 2.98 0.79
9.250 2.19 0.66
8.482 1.53 0.53
7.778 1.00 0.41
7.133 0.59 0.30
6.541 0.29 0.19
5.998 0.10 0.10
5.550 0.00 0.00
5.044 0.00 0.00
4.625 0.00 0.00
4.241 0.00 0.00
3.889 0.00 0.00
3.566 0.00 0.00
3.270 0.00 0.00
2.999 0.00 0.00
2.750 0.00 0.00
2.522 0.00 0.00
2.312 0.00 0.00
 
SIZE PASS CHAN
2.121 0.00 0.00
1.945 0.00 0.00
1.783 0.00 0.00
1.635 0.00 0.00
1.499 0.00 0.00
1.375 0.00 0.00
1.261 0.00 0.00
1.156 0.00 0.00
0.060 0.00 0.00
0.972 0.00 0.00
0.892 0.00 0.00
0.818 0.00 0.00
0.750 0.00 0.00
0.688 0.00 0.00
0.630 0.00 0.00
0.578 0.00 0.00
0.530 0.00 0.00
0.486 0.00 0.00
0.446 0.00 0.00
0.409 0.00 0.00
0.375 0.00 0.00
0.344 0.00 0.00
0.315 0.00 0.00
0.289 0.00 0.00
0.265 0.00 0.00


Photograph for Reference
It is applied to grind resins.
In order to prevent a drop of the grinding efficiency by rise of
air temperature in summer,it has employed a cooling unit so the
operator can set desirable temperature and humidity of
air to supply. (i.e.:15℃ x RH65%)
 
 
ACM10 SERIES
It is applied to scatter a secondary cell material.
The particle size of the secondary cell material is average 5㎛ ,
but it sometimes lumps in the process of drying. ACM10 Series is
used to scatter this lump under the condition that this round
particle is maintained
 
 
Reference Data
MATERIAL FINENESS ACM10 ACM30 ACM60
Kg/hr
Coal 325mesh 400 1300 2500
Copper oxide 325mesh 370 1100 2200
Limestone 100mesh 450 1200 2400
Limestone d97 30㎛   200  
Limestone d83 76㎛ 800 2400 4800
Phenolic resin 200mesh 200 600 1200
Phenolic resin d90 30㎛     870
Corn flour 325mesh 110 350 700
Silica d50 7~10㎛     600
Pigment d99 18㎛   350  
Coating powder d99 90㎛   150 ~ 250 600 ~ 1000
Sulphur d99 63㎛   150  
Silica gel d99.9 200㎛   180  
Soy protein d99 93㎛     1000
Soy protein d97 44㎛ 40 120 240
Talc d99 20㎛     700
Toner d50 25㎛     120
Sugar medium 200mesh 98% 270 700 1400
Sugar fine 325mesh 99% 170 400 750
Active alumina d98 44㎛ 200 610 1220
Alumina catalyst d50 5~10㎛ 120 330 600
Kaolin d99 53㎛ 90 230 450