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Ball Mill Head Extended Crack Repair
Industry Type
Cement
Product Group
Lotherme
OUR SOLUTION
Product
Lotherme 352
Size (mm)
3.15
Current (Amps)
110
Quantity (Kgs)
4
Product
Lotherme 352
Size (mm)
4
Current (Amps)
140
Quantity (Kgs)
10
Product
Lotherme 510 N
Size (mm)
4
Current (Amps)
130
Quantity (Kgs)
22
Product
Lotherme 802
Size (mm)
4
Current (Amps)
220
Quantity (Kgs)
10
Product
Lotherme 457
Size (mm)
4
Current (Amps)
130
Quantity (Kgs)
10
JOB PICTURES
OUT SIDE THE SHELL USING LOT352,457,510N,802
INSIDE THE SHELL
ANALYSIS
Equipment
Ball Mill
Component Name
Head
Type of Problem
Crack
Problem Due To
The shell is 25 years old and due to hitting liners, Rapid force
Previous Solution
XUPER 660 NH,NUCLEOTECH 2222 OF EWAC ALLOY
Base Metal
Cast Steel
Dimension (Crack Details) (mm) L×T×W×D
650×105
Procedure
1. Down
hand position made the gougng with lot 802 up to 60 mm depth and grove width of
80 mm and grinding also made to removal of weld metals.
2. Outside the mill head pre heated the job up to 130 dig.
3. Rebeaked the lot 352 250 dig for 1 hour
4. Root run with lot 352 3.15 mm with peening the weld metal on hot condition due to further crack should not devolop.
5. Multy layers with lot 352 4mm, lot 457 4mm.final 3 layers with lot 510n.
6. The same proceser followed inside the mill balance 50mm depth and width of 80 mm
7. The ICL has given 48 hours to complite the job. We took as a challenge and we handed over the job with in 44 hours.
