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In mineral processing, the service life of mill shell liners directly impacts operational efficiency and cost control, with each avoided downtime event saving millions in maintenance costs while enhancing annual production consistency.
A Semi-Autogenous Grinding Mill in a Tibetan Mining Operation
Traditional metal liners generally use casting processes for their service life, while Naipu Mining Machinery breaks conventions through dual innovation in "materials + processes" to launch high-alloy forged liners. These liners adopt a special forging process that reduces material defects for higher reliability; they are also optimized with an isometric structure, enhancing processing capacity while lowering overall weight, effectively preventing overload operation.
They also feature five highlights: a significantly extended service life, reducing 1-2 shutdowns annually to save 4-8 days; strong and tough materials with low ductility for easier installation and removal.
In practical application at a mining operation in Tibet, the results have been remarkable. The original liners at this mine had a service life of 4 months, while Naipu Mining Machinery's high-alloy forged liners successfully achieved a breakthrough lifespan of 7 months. The throughput per liner set surged from 897,600 metric tons to 1,792,600 metric tons, with total ore processed increasing by 99.7%, effectively resolving a longstanding industry challenge and delivering an efficient, stable solution for mine operations.
|
Performance Metrics Comparison |
Traditional Cast Liners |
High-Alloy Forged Liners |
Improvement/Reduction |
|
Throughput Efficiency |
307.48 t/h |
335.37 t/h |
+9.1% |
|
Liner Weight |
63 tons (total) |
52 tons |
-17.5% |
|
Energy Consumption |
2743 kW |
2638 kW |
-3.8% |
|
Maintenance Efficiency |
2 days/time |
1 day/time |
+50% |
High-Alloy Forged Liners
“Traditional metal liners typically last only about 4 months. Frequent liner replacements not only reduce our equipment operating time but also increase safety risks during maintenance. This set of high-alloy forged liners has delivered remarkable results! It has effectively resolved a major pain point in our equipment management—achieving stable operation for 7 months straight. We now save 3 days of maintenance time annually, and conservatively estimate over 5 million RMB in additional annual economic benefits!”
——Customer Testimonial from a Mineral Processing Plant in Tibet
ADD：NO.318,JingKai Avenue,Shangrao Economic and Technological Development Zone,Shangrao City,Jiangxi Province,China
TEL：400-0793-789
