In energy-consuming industries such as thermal power generation and steel smelting, pulverized coal pipelines are the "energy arteries" connecting the pulverizing system to combustion equipment, undertaking the critical task of conveying high-concentration, high-velocity pulverized coal. However, when pulverized coal flows at high speed within the pipelines, it causes continuous scouring and grinding on the pipe walls, with wear problems being particularly prominent at locations such as pipe elbows, reducers, and valve connections. Frequent pipe wall wear-through not only leads to pulverized coal leakage, causing dust pollution and safety hazards, but also requires shutdowns to replace pipeline components, becoming a "stubborn disease" constraining efficient enterprise operations.
Traditional methods for dealing with pulverized coal pipeline wear mostly use thickened carbon steel pipes or high-manganese steel pipes, but these solutions have obvious shortcomings: carbon steel pipes have poor wear resistance and generally require replacement after 3-6 months of use; although high-manganese steel has certain wear resistance, its hardening effect is poor under low-velocity pulverized coal scouring conditions, with service life only extendable to about 1 year. Moreover, replacement requires cutting and welding, which not only consumes substantial labor and spare parts costs but also interferes with surrounding equipment.
Titan-Shield wear-resistant ceramics, combined with Titan-Shield Technology's ceramic composite manufacturing technology, can extend the service life of pulverized coal pipelines from less than 1 year to over 5 years, with operation and maintenance costs reduced by over 60%, becoming the preferred solution for upgrading pulverized coal pipelines in the energy industry.
In terms of construction and application, Titan-Shield wear-resistant ceramics fully consider the convenience needs of enterprises. Before construction, no large-scale modification of the original pipeline is required. It is only necessary to grind the inner pipe wall until the metal luster is exposed, treat the surface with a special coupling agent, and then bond the ceramic tiles to the worn areas. After room-temperature curing for 24 hours, the pipeline can be put into service. Taking the retrofit of a 500mm diameter pulverized coal pipeline elbow at a power plant as an example, the entire construction process takes only 1 day to complete, greatly shortening downtime and reducing impact on production.
For enterprises relying on pulverized coal conveying, choosing Titan-Shield wear-resistant ceramics and ceramic composite manufacturing technology not only fundamentally solves the pipeline wear problem, but also provides solid support for enterprises to reduce costs and improve efficiency by extending equipment life, reducing shutdown losses, and improving conveying efficiency.