This is a blast furnace slag ball mill

Blast Furnace Slag Ball Mill

The blast furnace slag ball mill is used for professional production of ground blast furnace slag. Blast furnace slag is a material composed of calcium oxide, sulfur dioxide and chlorine trioxide. It is a by-product of blast furnace iron making, which will pollute the air and cause human respiratory diseases. The blast furnace slag ball mill can effectively process the slag and obtain the ground blast furnace slag with the particle size of 0.074-0.89mm, so as to meet the processing requirements of different enterprises for blast furnace slag.

The blast furnace slag ball mill is different from the conventional ball grinding mill in structure due to the coarse grain is less and the large plasticity of the iron and iron oxide components. Usually cement mill advocates more crushing and less grinding, but this is not suitable for blast furnace slag grinding. The blast furnace slag has a uniform particle size, and only needs to be pre-screened when controlling the grinding particle size. The wear of blast furnace slag on blast furnace slag ball mill mainly comes from iron and iron oxide. These two materials have large plasticity and are not easy to grind in the blast furnace slag ball mill, which will cause them to accumulate in the grinding system, which will increase the wear of the slag ball mill. According to the characteristics of blast furnace slag, the blast furnace slag grinding line is equipped with a magnetic separator for iron removal.

Blast furnace slag ball mill adopts a special liner, sieving device, motor, and discharging device. In the production process, slag ball mill can not only grind the slag separately, but also mix grinding with cement clinker and gypsum. It has been widely used in cement industry. For the grinding equipment of slag materials, we also produce water-granulated blast furnace slag ball mill and steel slag ball mill, which are used for grinding water-granulated blast furnace slag and steel slag respectively.

 

Blast Furnace Slag Introduced​

Blast Furnace Slag
  • What is slag and what is blast furnace slag?
  • Slag is a by-product remaining after the metal is separated from the ore, while blast furnace slag is a waste slag discharged from the blast furnace during pig iron smelting, and it is a fusible mixture.
  • The chemical composition of slag includes oxides such as CaO, SiO₂, Al₂O₃, MgO, MnO, Fe₂O₃ and a small amount of sulfides such as CaS, MnS, etc.

Use of Blast Furnace Slag

Ground blast furnace slag is the product of blast furnace slag after being processed by blast furnace slag ball mill and other equipment. Ground blast furnace slag can replace natural sand and stone as the aggregate of concrete, reinforced concrete, and prestressed reinforced concrete below 500. The ground blast furnace slag can also be used as auxiliary materials for highways, racing tracks, and airstrips that require wear resistance and slip resistance. Railway ballast, foundation cushion filling and sewage treatment media, also using ground blast furnace slag as raw material.

Ground blast furnace slag is the raw material for making concrete. Due to the durability of ground blast furnace slag, it is widely used in the construction field.

 

Specification of Blast Furnace Slag Ball Mill

Diameter(mm) Length(mm) Capacity(t/h) Feeding Size(mm) Output Size(mm) Grinding form Drive type Weight(t) Motor Power(kw)
1500 5700 2-4 ≤25 0.074-0.89 Open flow Edge drive 24.7 130
1830 7000 4-7 ≤25 0.074-0.89 Open flow Edge drive 36 210
2200 7000 8-9 ≤25 0.074-0.89 Open flow Edge drive 54 380
2200 7500 10-11 ≤25 0.074-0.89 Open flow Edge drive 63 380
2200 8000 10-12 ≤25 0.074-0.89 Open flow Edge drive 65 380
2200 9500 14-16 ≤25 0.074-0.89 Open flow Edge drive 70 475
2400 10000 16-19 ≤25 0.074-0.89 Open flow Edge drive 94.5 630
2400 11000 19-21 ≤25 0.074-0.89 Open flow Edge drive 99.2 630
2400 13000 21-23 ≤25 0.074-0.89 Open flow Edge drive 115.2 800
2600 13000 28-32 ≤25 0.074-0.89 Open flow Edge drive 148 1000
2600 13000 28-32 ≤25 0.074-0.89 Open flow Center drive 101.73 1000
3000 12000 32-35 ≤25 0.074-0.89 Open flow Edge drive 168.6 1250
3000 13000 34-37 ≤25 0.074-0.89 Open flow Edge drive 172.26 1400
3200 13000 45-50 ≤25 0.074-0.89 Open flow Edge drive 196.26 1600
3800 13000 60-62 ≤25 0.074-0.89 Open flow Center drive 204 2500
4200 13000 85-87 ≤25 0.074-0.89 Open flow Center drive 254 3530
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