Ceramic wear-resistant pipes, as the name suggests, are pipes made of ceramics. In life, pipes are very common in buildings and construction sites. Tubular objects are everywhere. As shown in the figure:
Zirconia ceramic tube But ceramic wear-resistant tube is different from other tubes. Let’s take you into the world of ceramic wear-resistant tube by Pintejin!
The full name of ceramic wear-resistant pipe is corundum ceramic lined wear-resistant composite pipe, which is a kind of ceramic composite steel pipe. It is manufactured by high-tech production process – self-propagating high-temperature clutch synthesis method.
The ceramic wear-resistant pipe is composed of three layers of corundum ceramic, transition layer and steel.
Because the ceramic wear-resistant pipe has wear resistance, corrosion resistance and heat resistance, it can be widely used in electric power, metallurgy, mining, coal, chemical industry and other industries to transport sand, stone, coal powder, ash, aluminum liquid and other abrasive properties. Granular materials and corrosive media, it is an ideal anti-corrosion pipeline.
Ceramic wear-resistant pipes are fundamentally different from traditional steel pipes, wear-resistant alloy cast steel pipes, cast stone pipes, steel plastic and steel rubber pipes.
So what is the working principle of ceramic wear-resistant pipe?
The outer layer of the ceramic wear-resistant pipe is steel pipe and the inner layer is corundum. The wear resistance is more than 20 times higher than that of carbon steel pipe, and it is much better than the corundum grinding wheel usually bonded.
The melting point of corundum in the ceramic wear-resistant tube is 2045 ° C. The corundum layer and the steel layer have special structures and special stress fields due to technological reasons.
And the ceramic wear-resistant steel pipe has high wear resistance and strong resistance to fluid erosion.
Therefore, ceramic wear-resistant steel pipes have their own advantages over traditional steel pipes, wear-resistant alloy cast steel pipes, cast stone pipes, steel plastic and steel rubber pipes.
alumina ceramic tube The use of ceramic wear-resistant tubes made in different ways is also different.
SMD wear-resistant ceramic pipes: the aluminothermic-centrifugal method is used to combine ceramics and metals organically, and the aluminothermic-centrifugal method is used to prepare lined ceramic steel pipes. The high temperature generated by the reaction itself is used to melt the reaction products and separate them under the action of centrifugal force. , forming a steel pipe lined with alumina ceramics.
Self-propagating composite pipeline: ceramic powder + iron oxide powder + magnesium oxide powder are mixed in proportion (the main component is iron oxide, black), the two ends of the pipeline are sealed, the powder is added, the pipeline is rotated, electronically ignited, and sintered in the pipeline by centrifugal method inner wall.
Integral calcined ceramic pipe: According to the mold, the ceramic powder is sintered into a ceramic pipe, and then combined with the steel pipe. The outer wall of the ceramic tube and the inner wall of the steel tube are assembled by pouring a special filler (cement or epoxy resin) inside the steel tube, and then isostatically pressed.
This is the general introduction of ceramic wear-resistant pipes. In the future, ceramic wear-resistant pipes will develop more rapidly and benefit our lives.
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