Apr . 15, 2025 14:30 Back to list
alloy liner, As a composite material formed by covering alloy materials on the surface of matrix materials through metallurgical bonding or other techniques, it plays an important role in many fields due to its excellent wear resistance, corrosion resistance, high temperature resistance and other properties. It not only extends the service life of equipment, reduces maintenance costs, but also improves overall performance and promotes the development of related industries.
The petrochemical industry involves various corrosive media, such as acids, alkalis, salts, etc., which can cause serious corrosion damage to equipment over the long term. Using corrosion-resistant alloys such as nickel based alloys, titanium alloys, etc. as lining materials can effectively isolate corrosive media from contact with the base metal, thereby greatly improving the equipment's corrosion resistance and ensuring safe and stable production.
During mineral mining and smelting processes, equipment often faces severe wear and impact. For example, the lining inside equipment such as crushers and ball mills needs to withstand the strong impact and grinding of ores. The use of high hardness and high wear resistant lining plates, such as high chromium cast iron and wear-resistant ceramic metal composite materials, can significantly improve the service life of these equipment, reduce downtime for maintenance, and enhance production efficiency. In addition, the alloy liner can effectively prevent metal materials from being corroded by slurry, further extending the service life of the equipment.
In boilers of thermal power plants, high-temperature flue gas and coal ash can cause corrosion and wear to the furnace walls. The use of high-temperature and corrosion-resistant types of liner plates, such as nickel based high-temperature alloys, can effectively protect the furnace wall and improve the operational efficiency and lifespan of the boiler. In the field of nuclear power, alloy liners are used on the inner walls of reactor pressure vessels to prevent radioactive material leakage and ensure the safe operation of nuclear power plants.
In ocean engineering, flat plate dry lining can be used to prevent corrosion of ship hulls and subsea pipelines, in response to the harsh challenges of the marine environment. In the aerospace field, lightweight, high-strength, and high-temperature resistant alloy liners can be used to manufacture aircraft engines and rocket nozzles, enhancing the performance of aircraft.
In summary, iron checker plates play an irreplaceable role in many fields such as petrochemicals, mining metallurgy, energy, marine engineering, aerospace, etc. due to their excellent performance. With the continuous development of materials science and the emergence of new alloy liner materials and technologies, we believe that alloy liners will be applied in more fields and make greater contributions to the progress and development of various industries.
Core functions:
Protect the mill cylinder from direct wear of grinding media and materials
Optimize the motion trajectory of grinding media and improve grinding efficiency
Reduce equipment maintenance costs and extend the service life of grinding machines
Additional effects:
Affects material flow characteristics
Assist in grading grinding media of different particle sizes
Mainstream materials:
High manganese steel (Mn13, Mn18): Strong impact resistance
High chromium cast iron (Cr20, Cr26): excellent wear resistance
Nickel hard cast iron: good corrosion resistance
Composite alloy: combining the advantages of multiple materials
Selection elements:
Material hardness (Mohs hardness)
Grinding medium type and size
Working temperature and environmental corrosiveness
Cost budget and maintenance cycle requirements
Main forms of wear:
Cutting wear (6070%)
fatigue wear
corrosive wear
Impact deformation
Key influencing factors:
Sharpness of material edges and corners
Filling rate of grinding medium
Mill speed
Matching degree of hardness and toughness on the surface of the lining plate
Design optimization:
Adopting waveform, step shape and other methods to enhance the lining plate
Optimize the bolt fixing method
Reasonably arrange the seams of the lining board
Usage and maintenance:
Regularly check the fastening status
Establish a wear monitoring file
Implement preventive replacement strategy
Control the operating parameters of the grinder within the optimal range
Material Innovation:
Nanostructured alloy materials
Self repairing functional coating
functionally gradient material
Structural design:
Biomimetic surface texture
Modular quick change design
Intelligent monitoring embedded system
Manufacturing process:
3D printing precision molding
Laser surface strengthening treatment
Green and low-carbon production process
The widespread application of cement ball mill
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