Alumina Grinding Ceramic Ball

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price: Negotiable
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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2023-11-14 08:13
Browse the number: 188
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Product details

â–  Description:

The micro crystalline wear-resistant alumina ball is a premium grinding medium created from high grade materials, cutting-edge molding techniques, and high temperature tunnel kiln calcination. The goods are the most suitable medium for processing mineral powder, glaze, and blanks due to their high density, high hardness, low wear, good seismic stability, and superior corrosion resistance.

In the manufacturing of ceramics, cement, paint, refractories, inorganic mineral powder, and other products, alumina balls are employed as the ball mill's grinding medium.


â–  Specific:

Type

92% Grinding beads

92% Grinding ball

Usage

WET GRINDING

WET GRINDING
DRY GRINDING

WET GRINDING

Application

Beads / Balls

Only Balls

Only Balls

Color

White

White

White

Standard Size (mmΦ)

3-90

20-60

30-70

Composition Al2O3 (%)

92%

92%

92%

SiO2 (%)

5%

5%

5%

Specific Gravity (g/cm3)

>3.63

>3.65

3.3~3.6

Porosity (%)

0.0

0.0

-

Water Absorbation

Moh’s Hardness

9

9

8~9

Flexural Strength (MPa)

370

350

-

Compressive Strength (Kgf/Pcs)

2000

2000

-

Wear Rate



â–  Packaging:

25kg net in PP-bag or big bag of 500 or 1000kg net. 20-24MT/20' FCL.


â–  Application:

● How to optimize the grinding process

-- In the situation of wet grinding

Usually, the total charges of the alumina balls in one ball mil should be not less than 55% of the total ball mill capacity.

Economical Empirical formula of charged alumina ball quantity into ball mill

M=3.14 x R2 x D x L x 25%+1000

Remark M= charged alumina ball quantity (kg)

D=Alumina ball density(g/cm)

R=Radius of ball mill L=Ballillength

-- In the situation of dry grinding

Dry grinding is widely used in mining, ceramics industries, we developed alumina balls performed well on dry grinding situation with much lower wear-loss, it helps solve the problem of materials contamination.

The proportion of the alumina ball for dry grinding depends on the hardness and fineness of the grinder raw material. Generally speaking, CIP formed grinding ball used for dry grinding.


● Quantity of recharging aluminum balls

Primary ball quantity + Ball wear + Riding time = Recharge quantity

With regard to dry grinding

We produced alumina balls that functioned well in dry grinding situations with significantly lower wear-loss, helping to overcome the issue of material contamination. Dry grinding is commonly utilized in the mining and ceramics sectors.

Generally speaking, CIP produced grinding balls are used for dry grinding. The percentage of alumina balls for dry grinding depends on the hardness and fineness of the grinding raw material.


● Alumina grinding ball proportion

The proportion of alumina balls for a shiny new ball mill relies on the ball mill's capacity and the fineness of the ground raw materials.

Alumina ball recharge quantity

Recharge quantity=Primary ball quantity *ball wear loss* grinder time

Ball Mill Capacity

Grinded Raw Materials

Feeding Size

Proportion

>15MT

Green Body

>1.5cm

Φ30:Φ40:Φ50:Φ60=2:3:3:2 / 2:4:3:1

>15 MT

Glaze

>1.5 cm

Φ30:Φ40:Φ50:Φ60=3:4:2:1

>15 MT

Glaze

>1.5 cm

Φ30:Φ40:Φ50=3:5:2



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