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high wear-resistant alumina lining tile
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Product Details
Place of Origin: | Shandong, China | Type: | Ceramic Plates | Application: | Industrial Ceramic |
Material: | Alumina Ceramic | Model Number: | OK93 | Brand Name: | AOKROLA |
Product Description
Specifications
high wear-resistant alumina lining tileAL2O3 is the main content, high purity
Fine Wear Resisitance
HIgh purity,
Name Items | OK70 | OK80 | OK90 | OK93 | OK95 |
Specific Gravity g/cm3 | 2.95~3.02 | 3.33~3.36 | 3.55~3.60 | 3.63~3.68 | 3.70~3.75 |
(Mohs Scale)Hardness | 8.5 | 8.5 | 9 | 9 | 9 |
Compression Strength MPa | ≥1700 | ≥1800 | ≥1850 | ≥2000 | ≥2250 |
Color | yellowish | White | White | White | White
|
Equivalent Wear Loss | ≤0.18‰ | ≤0.14‰ | ≤0.10‰ | ≤0.08‰ | ≤0.05‰ |
Calculation of alumina liner installed in ball mill
1. The number of alumina liners installed on two end walls:
(1) Calculation of the number of straight liners on the end wall:
Gf=3.14×r2÷(L1×W)
In the above formula: Gf: the number of straight bricks on the end wall of ball mill
r: the semi-diameter of the end wall of ball mill
W: the width of lining bricks
L1: the length of lining bricks
(2) Calculation of number of semi-straight bricks on the end face:
GB=D÷W
In the above formula:
GB: the number of straight bricks on the end face.
D:the diameter of the end wall
W: the width of alumina liner
2. The calculation of number of liner on the round wall.
The total No. of liners:
GC=R1×R2 , R1=3.14×D÷W , R2=(L-2h)÷L1,
in the formula:
GC: The total number of straight bricks and trapezoidal bricks on the round wall.
R1: the rows of bricks on the round wall.
R2: number of bricks in each row
D: the diameter of the end face
h: the thickness of liner
L: the length of Ball mill
W: the width of alumina liner
L1: the length of liner
Remark: GC: calculation of the total number of straight bricks and trapezoidal bricks according to tonnage of Ball mill according to the following table. Respectively calculate the No. of straight liner GC1 and trapezoidal liner GC2 according to the proportion in the table.
Mill Tunnage | <0.3T | 0.5T | 1--1.5T | 2.5--3T | 5--25T | 30--40 T |
Stri. Brick:Tra.Brick | 0:1 | 1:10 | 1:1 | 2:1 | 3:1 | 5:1 |
3. The total No. alumina liner:
Straight Liner=2Gf+ GC1 Trapezoidal Liner = GC2
Semi-Straight Brick=2GB+ GB1 semi-trapezoidal Brick= GB2
Flake Brick= R2
1. The material of installation:
The installation for lining Ball mill adopts 425# silicate white cement and a little 107# glue asadhesive.
2. The installation:
Before installation, we should clean surface of Ball mill.
(1)Installation should begin from the side walls installed with straight bricks totally and then adopt a certain number of semi- straight bricks to install matched. The gap between lining bricks should be less than 1.5mm. The installation of side walls should use straight bricks and semi-straight bricks only.
(2)After installing two side walls, then install round walls, which should adopt straight bricks and trapezoidal bricks. Make sure the bottom of lining bricks to contact tightly to the round walls, meanwhile use semi-straight brick and semi-trapezoidal liner to match (see the photo mentioned).
Specific installation steps are as following: Please install straight bricks first, then install trapezoidal bricks, at the last line, if the straight bricks can’t be inserted, then install fake bricks, whose gap is sealed tightly by white cement. Please let the workers install flexibly according to specific size of ball mill.
3. Maintenance:
After installation finished, we should maintain according to the following steps:
- Dry the ball mill naturally for two days and put pour full water into the ball mill for 3 days, then take the water out and naturally dry 7 days at least.
- After drying 7 days, pour water(occupying 70% of volume of mill)into ball mill, then charge alumina ball(occupying 60% of ball mill) and move ball mill for grinding 3 hours. Then move the ball mill the second time for grinding 1.5 hour. After 3 to 4 days, the ball mill could be normally operated.
- In winter, new installed ball mill should be heated for two days. On the first day, heat the ball mill by electronic stove for 24 hours, then move the mill and heat the other side for 24 hours. After that, maintain the ball mill as the steps of above mentioned.
Item | (L)m | (W1)mm | (W2)mm | (H)mm |
Hi Al2O3 Straight Brick
| 150 | 50 | / | 40/50/60/70 |
Hi Al2O3 Trapezoidal Brick
| 150 | 50 | 45 | 40/50/60/70 |
Medium Al2O3 Straight Brick
| 160 | 40 | / | 60/70/80/100 |
Medium Al2O3 Trapezoidal Brick
| 160 | 40 | 35 | 60/70/80/100 |
AOKEROLA GROUP is the leading fine ceramic manufacturer which was established in 1990.
The main products are: high quality ceramic roller, Iso-static pressure grinding ball, wear resistant lining brick, heterotypic wear resistant ceramic, alumina packing ball, ceramic ball foundry sand, high strength prppant, active alumina ball, alumina polishin ceramic, special industry ceramic, silicon carbide ceramic and Iso-satic all press. Based on global top class hardware--a complete set of German equipment and top class software--Spanish ceramic technology, AOKEROLA manuactures over 1,500,000 pieces of quality ceramic rollers and over 100,000 tons of resistant grinding balls, lining brick and other technical ceramics and over 100,000tons of petroleum proppant and casting ceramic sands. p.a. which help us have a significant share in the world market.
History
1995 | The original company of AOKEROLA GROUP, Zibo Yuanda Co. was founded. |
1998 | Incorporating with Spanish Refractory Institute, Weifang Aokerola Fine Cermaics Corporation was founded. |
1999 | Invented the isostatic medium alumina ball, and achieved the industrialization. |
2000 | Started the production of high alumina ball in the Weifang Plant |
2001 | Successfully developed the OK-Y686 iso-static ball press and won the national patent. |
2002 | Participated in making the National Quality Standard of Ceramic Roller in China. |
2003 | Successfully developed the low wear loss and low cost grinding media"Super Wear-Resistant King" |
2004 | Zibo Aokerola Ceramic Technology Co. Was founded. |
2005 | Zibo Plant started the production of medium alumina lining brick. And at the same time, Aokerola started the internationalization. |
2006 | Shandong Aokerola Technological Material Co., Ltd was founded, and successfully developed the global longest, full-automatic, intelligent medium alumina ball production line by high temperature roller kiln. |
2007 | Successfully built the unique biggest shuttle kiln for roller production, and introduced the cutting edge roller production technology from Germany inthe end of 2007. |
2008 | Started the production of high alumina ceramic by the High Temperature Roller Kiln, and achieved the Non-Quality-Difference production system, Which makes AOKEROLA become the first company which uses high temperature roller kiln to produce high alumina ceramic. |
2010 | The Fourth new high alumina ceramic production line is under construction and the Fifth new roller project is going to start. |
2011 | The new advanced low ware loss medium & high alumina grinding balls were brought into batch production.the medium alumina ball has been successfully replaced by the new developed high and medium alumina ball. |
Images:
TECNARGILLA 2014 Rimini, Italy
Ceramic Asia 2014, India
high wear-resistant alumina lining tile
Contact Us
- Zibo Aokerola Ceramic Technology Co., Ltd.
- Contact nameKelly Gai
- Phone86-0533-3588889
- AddressYuedian, Nanding, Zhangdian Zibo,Shandong
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