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Changsha Deco Equipment Co.,Ltd

Con:Sandy Qiao

Add:Hunan Yueyang City Yueyang Tower No.29 Dongchong Road, Qijialing Street, Xueyuan Road

Tel:+86-731-85212256

Fax:+86-731-85212256

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Email:sandy@deco-mill.com

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Ceramic Alumina Balls

Ceramic alumina balls Description Alumina Grinding Media have the advantages of high strength, high stabilities to chemical and thermal circumstances. It can be resistant to acid, alkali, salt and all organic solvents. Being used as a support and a covering material in reactors in oil refinery,...

Products Specifications:

Ceramic alumina balls
Description
Alumina Grinding Media have the advantages of high strength, high stabilities to chemical and thermal circumstances.
It can be resistant to acid, alkali, salt and all organic solvents. Being used as a support and a covering material in reactors in oil refinery, chemical, fertilizer, natural gas and environmental protection industries.


Technical Data

Product

alumina ceramic balls

Item No.

DECO-B-ALO

Main Material

alumina -Al2O3

Shape

sphere

Optional Ball Sizes

3/5/8/10/15/20mm

Density

3.8 g/cm3

Color

white

Hardness

> 80 HRA

Abrasion Resistance

very good

Compatible Samples

medium-hard, fibrous samples

Compatible Ball Mill Jars

alumina jar

Element Analysis

General specifications

Material

Sintered Corundum -Al2O3


Physical and mechanical properties

Density

3.8 g/cm³

Hardness

1600 HV0.5


Applications:
Ceramic ball has been used widely  used as supporting material at the reactor bottom in petrochemical, ball mills, pot mill, vibrating mill and other fine grinding plants as abrasive media for ceramic raw materials and glaze materials in ceramic, cement, glass, porcelain enamel, paints, pigments, chemicals, pharmaceuticals, paint industry, inks, cosmetics, inorganic mineral powders,  fine chemical, coal-chemical, fertilizer, natural gas and environmental protection industries . etc.


Number and Size of the Balls   

1.Pregrinding the coarse, hard material with large balls 

2. Use of many small balls will increase the fine fraction if the running time is increased
3. A higher mass (spec. weight) of the grinding balls will accelerate the grinding
4. Size of the Grinding Balls


Type of feed material

Ball diameter

Hard samples feed particle size<10 mm

30 mm or 40 mm

Medium piece size (<5 mm)

20 mm

Fine material (0.5 mm)

10 mm or 5 mm

Homogenisation of dry or liquid samples

10 mm

Homogenisation of viscous samples

20 mm

These are just clues: the size of grinding jars and grinding balls should be determined experimentally if necessary.


Other Grinding Media:
 图片98.jpg 


Remark:  In normal cases, grinding bowls and balls of the same material are used. To shorten the grinding time, grinding bowls and balls with a higher density and correspondingly higher impact energy can be used.


Related Grinding Equipment:
 图片160.jpg

Related Grinding Jars/Pots 


 图片161.jpg

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