The cartridge magnetic separator consists of the following main components: fixed magnetic system (electromagnetic or permanent magnet), sorting cylinder, feeding mechanism (upper or lower feeding), discharge mechanism, transmission mechanism and frame. 1. Easy Start-up----With one-button Start, you just press the start button, and the generator supply power for you instantly. Ultra-silent Gasoline Generator Unleaded Gasoline Generator,Soundproof Gasoline Generator,Portable Ultra-Silent Gasoline Generator,Low Noise Gasoline Generator Jiangxi Vigorous New Energy Technology Co., Ltd. , https://www.vigorouspower.com
I. CTG type permanent magnet barrel magnetic separator The structure of CTG type magnetic separator manufactured in China is shown in Figure 1. The cylinder is made of 2 mm FRP with a layer of wear-resistant rubber on the surface. Magnetic strontium ferrite system permanent magnet blocks. The magnetic system has an angle of 270°. The polarity of the magnetic poles alternates in the circumferential direction.
The magnetic separator has two types of single cylinder and double cylinder. The length of the single-cylinder machine can be adjusted by the position of the baffle; the double-cylinder can adjust the declination of the magnetic system to suit the needs of different sorting processes (selection or sweeping).
The technical performance of the CTG type magnetic separator is shown in Table 1. The magnetic field characteristics of the CTG-69/5 machine are shown in Figure 2.
Second, the Soviet Union C Ð type cylinder magnetic separator
In the Soviet Union, the C Ð type cylindrical magnetic separator was widely used, and its technical performance is listed in Table 2.
1. 168-C Ð type upper feeding electromagnetic cylinder type magnetic separator 
Figure 1 CTG type permanent magnet barrel magnetic separator
1. Electric vibration to the mining machine; 2. Stepless speed governor; 3. Electric motor;
4. Upper cylinder; 5, 7. Round magnetic system; 6. Lower cylinder; 8. Box
Fig. 2 Radial magnetic field characteristics of CTG-69/5 permanent magnetic cylinder magnetic separator (Φ600×900mm)
1. cylinder surface; 2. 5mm from the cylinder surface; 3. 10mm from the cylinder surface [next]
-
Figure 3 168—CРelectromagnetic cylinder magnetic separator 1. cylinder; 2. electromagnetic magnetic system; 3. electric vibration feeder; 4. outer cover frame
3. 206—CРpermanent magnetic cylinder magnetic separator 206—CРpermanent magnetic cylinder magnetic separator (Fig. 5) is used for sorting fine-grained magnetite ore to prepare high-quality iron powder and various materials for iron removal.
The 206-C machine has a multi-pole magnetic system, and the magnetic pole is made of H13Дк24 alloy with a pole spacing of 50 mm. The number of revolutions of the cylinder reaches 300 rpm, at which time the magnetic field frequency is 90 Hz.
Figure 4 189—CРpermanent magnet barrel magnetic separator [next]
1. Figure 5 206-CÐ permanent magnetic cylinder magnetic separator
1. trough; 2. vibrating feeder; 3. magnetic system;
4. cylinder; 5. dust exhaust pipe; 6. separator; 7. receiving trough; 8. frame
The 206-C machine can be effectively used to separate iron scales, vanadium and tantalum from the slag, select iron scales from non-magnetic mixtures and demineralize the weak magnetic ore before dry selection under low-speed working conditions.
In recent years, due to the scarcity of юH13Дк24 alloy, the strontium ferrite magnetic system has been successfully developed.
4. 251—CРand ПБСЦ—63/200 magnetic separator The structure of the 251—CРand ПБСЦ—63/200 magnetic separators is similar to that of the 206ПБСЦ—63/200 machine, except that the drum is much longer.
5. ÐБС—80/170 Electromagnetic Cylinder Magnetic Separator ÐБС—80/170 Electromagnetic Cylinder Magnetic Separator (Fig. 6) is used to sort magnetite ore with a particle size of less than 15 mm. The machine uses a fan-shaped electromagnetic magnetic system.
Figure 6 ÐБС—80/170 electromagnetic cylinder magnetic separator 1. cylinder; 2. electromagnetic magnetic system; 3. vibrating feeder; 4. casing; 5. hopper
The ore is fed from the lower part of the cylinder by a vibrating feeder, and the magnetic substance is sucked onto the cylinder, and is taken to the cylinder portion in the direction of the ore flow, and discharged, and the non-magnetic material is discharged by the feeder. The vibrating feeder causes multiple free fall and vibration of the particles to ensure a high recovery and purity of the magnetic product.
Third, the Sarah -Mottes type magnetic separator Sala-мörtsell magnetic separator is also a widely used dry magnetic separator. The machine (Fig. 7) is composed of a permanent magnet polarity alternating magnetic system and is fixed on a ring-shaped iron yoke by a large number of AINiCo alloys or barium ferrite magnets. The drum is made of stainless steel or fiberglass and is covered with a layer of wear-resistant rubber or replaceable stainless steel. The magnetic cylinder is mounted in a dustproof box. The wearable parts of the chassis and the passage are covered with rubber and driven by a DC or AC motor. The peripheral speed of the magnetic cylinder can be selected between 1 and 9 m/s depending on the situation.
Figure 7 Sarah-Mottes double barrel magnetic separator for powder mine tailing
The machine has a variety of uses: magnetite ore dressing , production of super magnetite concentrate for sponge iron mills and preparation of feedstock for strong magnetic separators.
To accommodate different requirements (grain size, humidity, grade and recovery), the drum has three diameters: 400, 600 and 916 mm. The length of the barrel ranges from 300 mm to 3000 mm. The standard moto machine has three pole pitches: 25, 45 and 65 mm. The processing capacity per meter is about 10 to 75 tons per hour, which is even greater for coarse material handling. The magnetic separation machine effectively sorts the particle size range from 15 to 0.04 mm.
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Dry weak magnetic field separator
Table 1 Technical performance of CYG type permanent magnetic cylinder magnetic separator
model
Pole distance
Mm
Box
Type
Feeding particle size mm
Selected humidity
%
Tube surface field strength kA/m
Number of cylinder revolutions
r/min
Processing capacity
t/h
Transmission power
kW
Machine weight
t
Dimensions
Mm
CTG—63/3
30
Two products
0.5~0
≤1
84
150~300
3~5
2.2
2.52
2000×1650
×1980
CTG—69/5
50
Ibid.
1.5~0
≤2
92
150~300
5~10
2.2
2.60
Ibid.
CTG—69/9
90
Ibid.
5~0
≤3
100
75~150
10~15
2.2
2.60
Ibid.
2 CTG—69/3/3
30/30
Ibid.
0.5~0
≤1
84
150~300
3~5
2.2/2.2
4.0
2000×1650
×2880
2 CTG—69/5/5
50/50
Ibid.
1.5~0
≤2
92
150~300
5~10
2.2/2.2
4.1
Ibid.
2 CTG—69/9/9
90/90
Ibid.
5~0
≤3
100
75~150
10~15
2.2/2.2
4.1
Ibid.
2 CTG—69/3/5
30/50
Three products
0.5~0
≤1
84/92
150~300/
150/-~300
3~5
2.2/2.2
4.1
Ibid.
2 CTG—69/5/9
50/90
Ibid.
1.5~0
≤2
92/100
150/300/
75~150
5~0
2.2/2.2
4.1
Ibid.
Table 2 Technical performance of dry cylinder magnetic separator
parameter
171-C Ð
168—C Ð
189-C Ð
206-C Ð
251-C Ð
ГІБСІІ—63/200
ЗЪС—80/170
Barrel size, mm
Straight diameter
Length
Number of cylinders
Feeding particle size <, mm
900
1000
1
50
900
1000
3
50
600
2000
4
50
600
500
1
3
630
1000
1
3
630
2000
1
3
800
1700
1
15
Tube magnetic field strength, kA/m
on
under
110~120
-
55~64
110~120
80~88
110~120
100
-
100
-
100
-
191
-
Tube rotation number r/min
on
under
Excitation power, kW
Production capacity, t/h
Feed and drive power, kW
25
5.5
60
1.1
43
25
8.3
140
3.6
49~102
31~49
-
400
7.6
40~300
-
-
To 20
3.0
40~300
-
-
To 50
4.5
40~300
-
-
To 100
7.5
34
-
6.4
To 100
3.0
Magnetic separator size, mm
long
width
high
Machine weight, t
2230
2440
2795
4.7
2290
2830
4550
12.5
2710
2900
2720
10.0
880
1260
2700
0.6
1475
2070
2750
1.5
2510
2200
2750
2.9
3090
2515
2030
7.5
The structure of the 168-CÐ type upper feeding electromagnetic cylinder type magnetic separator is shown in Fig. 3. The magnetic separator has two parallel upper drums and one lower drum for sweeping non-magnetic products. The field strength of the lower cylinder is higher than that of the upper cylinder.
2. 189—CÐ-type permanent magnet cartridge magnetic separator The 189—CÐ-type permanent magnet cartridge magnetic separator (Fig. 4) is used for the upper ore feeding to select block magnetite. The working principle of the 189-C machine is the same as that of the 171-C and 168-C. The upper cylinder of the machine is a 5-pole magnetic system; the lower cylinder is a 3-pole magnetic system. Pole AINiCo alloy (grade ÑŽH13Дк24) manufactured polarity alternating circumferential direction of the cylindrical, stirred to ensure ore obtained. The 189-C machine has a large processing capacity, and the processing capacity of the -50+0 mm ore is 400-500 tons/hour. The machine can be combined with the crusher to feed the ore from the silo to the feed distributor of the magnetic separator through a belt conveyor or a vibrating feeder. The number of cylinder revolutions can be adjusted in stages: the upper cylinder rotation range is 50~100 rev / min; the lower cylinder is 30~50 rev / min.
The test of the 206-C machine showed that under high-speed rotating working conditions, the magnetic agglomerates were almost completely destroyed, so that the monomer particles and the continuous body particles were well separated. With this magnetic separator, tailings can be thrown away; coarse concentrates and medium mines are sent for re-grinding and wet magnetic separation. If the dispersion of minerals and the humidity of the ore allow for dry selection, fine-grained magnetite dry selection can greatly reduce the amount of next grinding and sorting.