Alloy wear-resistant ceramic steel tube
A wear-resistant ceramic and alloy wear-resistant layer technology, applied in the field of composite ceramic steel pipes, can solve the problems of high wear resistance, corrosion resistance, temperature resistance and thermal shock resistance, and achieve good welding performance, good toughness, high intensity effect
Inactive Publication Date: 2015-06-03
SUZHOU LUOTELAN NEW MATERIAL TECH
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Problems solved by technology
However, general ceramic steel pipes still cannot meet the requirements of some special fields, such as mining, coal, and shop industries, which have high requirements for steel pipes in terms of wear resistance, operating force, corrosion resistance, temperature resistance and thermal shock resistance.
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[0010] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the embodiments and accompanying drawings. The embodiments are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.
[0011] figure 1 An embodiment of an alloy wear-resistant ceramic steel pipe of the present invention is shown, including a steel pipe layer 1, the inner wall of the steel pipe layer 1 is coated with a ceramic wear-resistant layer 2, and the ceramic wear-resistant layer 2 and the steel pipe layer 1 There is a transition layer 3 between them, the inner wall of the ceramic wear-resistant layer 2 is also coated with an alloy wear-resistant layer 4 , and the outer wall of the steel pipe layer 1 is provided with an anti-corrosion layer 5 . The ceramic wear-resistant layer 2 is corundum ceramics. The thickness of the ceramic wear-resistant layer 2 is ...
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Abstract
The invention discloses an alloy wear-resistant ceramic steel tube, comprising a steel tube layer, wherein the inner side wall of the steel tube layer is coated with a ceramic wear-resistant layer, a transition layer is arranged between the ceramic wear-resistant layer and the steel tube layer, the inner side wall of the ceramic wear-resistant layer is also coated with an alloy wear-resistant layer, and an anticorrosive layer is arranged on the outer side wall of the steel tube layer. The ceramic layer of the alloy wear-resistant ceramic steel tube is made by forming compact corundum based ceramic at the high temperature over 2200 DEG C, and is firmly combined with a steel tube by the transition layer; the composite tube fully realizes high strength, good tenacity, impact resistance and good welding property of the steel tube and high hardness, high wear resistance, corrosion resistance and good heat resistance of the corundum based ceramic, thus overcoming the defects of lower hardness and poor wear resistance of the steel tube and poor tenacity of ceramic.
Description
technical field [0001] The invention relates to a composite ceramic steel pipe, in particular to an alloy wear-resistant ceramic steel pipe. Background technique [0002] Ceramic steel pipe is a kind of composite pipe that combines ceramics and metal organically. Ceramic steel pipe combines the advantages of high alumina hardness, good chemical inertness and steel, and has excellent wear resistance, corrosion resistance, heat resistance and thermal shock resistance. Mechanical shock resistance, used for power plant coal powder, ash, mine powder, tailings, backfill, coal mine, coal in beneficiation plant, coke particles in coking plant, and material transportation in sintering plant. The service life is more than 15 times longer than that of ordinary steel pipes. , It can also be used for the transportation of molten aluminum and corrosive media. However, general ceramic steel pipes still cannot meet the requirements of some special fields, such as mining, coal, and shop ind...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F16L9/14F16L57/06F16L58/02
CPCF16L9/14F16L57/06F16L58/02
Inventor 马志明
Owner SUZHOU LUOTELAN NEW MATERIAL TECH