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Calcium Aluminate Rotary Kiln

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Calcium Aluminate Rotary Kiln

Model: Ø2.5×40m-Ø4.0×60m

Capacity: 35-600TPD

Applied material: Iron steel industry, calcium aluminate industry, chemical industry, calcium carbide industry

Materials:(different sizes for 120 kinds of stones)

  • benonite

    benonite

  • cement

    cement

  • clay

    clay

  • coals

    coals

Applied material: GMGE600-1 GMGE760-1 GMGF1214Ⅱ-1 GMGF1315Ⅱ-1

Some Common Knowledge about Calcium Aluminate Rotary Kiln

Calcium aluminate is a sintered substance with CA and CA2 as the main components, which is formed by calcining limestone and bauxite at high temperature as raw materials. It is mainly used as a raw material for polymeric filter water purifier, high-efficiency concrete expander and refractory castables.

The method of making calcium aluminate can be classified according to the sintering process, including fusion method, rotary kiln sintering method and gas-fired tunnel kiln sintering method.

The rotary kiln sintering method uses a coal-burning hollow cement rotary kiln to sinter the material by solid-liquid phase reaction at 1300-1350°C, and then obtains the calcium aluminate product by rapid cooling. Compared with the fusion method, the rotary kiln sintering method has the feature of lower investment cost.

The calcium aluminate rotary kiln is composed of cylinder, supporting device, supporting device with stop wheel, transmission device, movable kiln head, kiln end sealing device, combustion device and other components, which has the characteristics of simple structure, reliable operation and easy control of production process.

Calcium aluminate powder is made of certain grade of aluminum ore and limestone in a certain ratio of fine grinding into balls, calcination, cooling, fine grinding and become finished products, and is now widely used in chemical industry, environmental protection, sewage treatment and other fields.

The raw ore is fed directly into the kiln end of calcium aluminate rotary kiln through electronic belt weighing scale, belt conveyor, stabilizer bin and air lock valve from the storage, and only stabilizer bin is set at the kiln end to reduce investment. The ore enters the calcium aluminate rotary kiln* for heating first, the raw ore moves in the kiln and the hot air flow in the opposite direction, and in the heating zone the raw ore is heated to the reduction temperature and then enters the reduction zone.

Reduction zone flame center temperature control at about 1000 ℃, reduction zone hot atmosphere temperature control at about 700 ℃ and reduction gas reaction reduction. The ore is cooled and discharged from the kiln of calcium aluminate rotary kiln, and after water cooling by continuous bucket conveyor, it is put into storage for selection.

Advantages of calcium aluminate rotary kiln

1、Calcium aluminate rotary kiln has the characteristics of simple structure, reliable operation and easy control of production process.

2、Rotary kiln can be widely used in various fields such as chemical industry, environmental protection, sewage treatment, etc.

3、The new technology calcium aluminate rotary kiln has overcome the burning problem of high calorific value of coke oven gas and short flame, which can make full use of the remaining coke oven gas.

4、Rotary kiln has very good energy-saving, environmental protection and efficiency effect for small and medium-sized iron and steel enterprises, coking enterprises, calcium carbide enterprises, and refractory material industry.

Technical Parameter

Model(m) Diameter(m) Length(m) Slope(%) Rotating speed(r/min) Motor Power(kw) Capacity(t/d)
Φ2.5×40 2.5 40 3.5 0.44-2.44 55 150
Φ2.8×43 2.8 43 3 0.62-1.86 75 200
Φ3.0×50 3.0 50 3.5 0.48-1.45 90 230
Φ3.2×50 3.2 50 3.5 0.10-1.52 132 250
Φ3.6×55 3.6 55 4 0.3-2 160 400
Φ3.8×58 3.8 58 4 0.37-2.2 185 500
Φ4.0×60 4.0 60 3.5 0.396-3.96 200 600

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