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Raw material mill

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Raw material mill

Product introduction:

This series of products are mainly used for grinding raw materials in cement plants, and are also suitable for grinding various ores and other grindable materials in metallurgy, chemical industry, electric power and other industrial and mining enterprises. It can be produced by dry method or wet method, and can also be ground and dried at the same time. It can be used for open flow grinding, and also suitable for circulating circle flow grinding composed of powder separator. The raw material mill drive form for the edge drive, compact structure, small footprint. This greatly saves the user investment.

The raw material mill adopts end cover and hollow shaft as integral casting parts. The unique streamlined design is adopted in the large end cover and the discharge system, which reduces the ventilation resistance, increases the effective volume, is easy to discharge, and improves the output of the mill. The raw material mill is a single bin structure, and the lining plate in the mill is designed in combination. Different lining plate structures are used for different stages in the raw material mill, which greatly improves the grinding efficiency. The working pressure in the raw material mill is negative pressure, which effectively prevents the occurrence of powder leakage. The hot drying air is introduced into the high-temperature exhaust gas at the end of the kiln, and the heat preservation measures are adopted in the raw material mill, so that the drying capacity of the materials can reach6%~8%. Reservation for electric control of raw material millDCSInterface to meet the needs of users for centralized control.

Technical parameters:

Product Name	Specifications	Design ability (t/h)	Main technical performance
Drying raw material mill	φ2.2 ×6.5m	16 (Circled Flow Production)	Feeding particle size <20mm, Product fineness 4900 hole/cm²Sieve, Screen residue 6-8%, cylinder speed 21.6r/min
Raw material mill	φ2.2 ×7.5m	13-16	Feeding particle size <15mm, More than 80%, moisture <1% Fineness 4900 hole/cm²Sieve, Sieve residue 8-10%, Barrel speed 21.4r/min
Raw material mill	φ2.4 ×7m	18-20 (Circled Flow Production)	Feeding particle size ≤20mm, Product fineness 4900 hole/cm²Sieve, Sieve residue cement 10%
Drying raw material mill	φ3 ×9m	50-55 (Circled Flow Production)	Feeding particle size ≤13mm,, Product fineness 90 μm, Sieve residue below 10% Barrel speed 18.58r/min
Drying raw material mill	φ3.2 ×9m	65 (Circled Flow Production)	Feeding particle size <15mm, More than 80% of the largest25mm, Moisture material <4%, Temperature of grinding body320 ℃, fineness 88 μm, The moisture content of the finished product below 15% of the sieve residue is less than 1%, Cylinder speed 18r/min
Raw material mill	φ3.5 ×9m	80 (Circled Flow Production)	Feeding particle size <15mm The following accounted for 80% of the largest25mm, The fineness of the product is 88 μm, and the sieve residue is less than 15%, Barrel speed 17.2r/min
cantilever drying raw material mill	φ 3 × 71.8m	44	Feeding particle size <25mm, Product fineness 0.08 square hole sieve, Sieve cement 8-10%, 0.2 square hole sieve, sieve residue <0.5% Barrel speed 18.59r/min
Medium unloading drying mill	φ3.5 ×10m	73	Feeding particle size ≤20mm, Feeding moisture <5%, grinding temperature>300 ℃, Fineness of finished product 4600 hole/cm²Sieve, Screen residue 10%, cylinder speed 16.8r/min
Air swept raw material mill	φ 3.8 × 7.5	85	Feeding particle size ≤ 20, Mill 80μm, sieve residue 12-14%, Moisture in the mill ≤ 5%, moisture out of the mill ≤ 1%, Mill-entering gas temperature300 ℃（Max350） Mill gas temperature 60-80 ℃

Cement Mill

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辽西重型机械

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