Composite wear-resistant ceramic high-pressure bent pipe
A technology of wear-resistant ceramics and pipe bends, applied in the direction of elbows, pipes, pipe components, etc., can solve problems such as difficult assembly, inconvenient molding, and ceramic pieces falling off, so as to improve reliability, reliability, and sealing Good results
Pending Publication Date: 2021-07-23
HEFEI JINGCHUANG CERAMIC EQUIP TECH
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Problems solved by technology
[0002] Elbows are mainly suitable for wear-resistant pipelines for electric power, metallurgy, coal, petroleum, steel, cement, chemical industry and other ash, coal powder, mineral powder, tailings, and cement wear-resistant pipelines. The conveying pipeline has to withstand high pressure, temperature, and severe wear; because the conveyed medium contains hard particles and is corrosive, the metal elbow is not resistant to wear and easy to corrode and rust; in the pipeline for powder conveying Among them, some elbows are applied with ceramic patches on the inner side of the base body. Ceramic patches are generally pasted with straight plates. Changes in pipe temperature soften the glue and easily cause the ceramic pieces to fall off, thus affecting the service life of the elbow. If the overall elbow ceramic lining is used, it is not easy to form and difficult to assemble.
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[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0017] refer to figure 1 , a composite wear-resistant ceramic high-pressure elbow, including a metal elbow outer pipe and an elbow ceramic lining. The elbow ceramic lining is composed of several ceramic rings. The wall thickness of the elbow ceramic lining is 8-10mm. The block ceramic ring is firmly bonded and spliced together with the outer pipe of the metal elbow through ceramic high-temperature glue.
[0018] In the present invention, the ceramic ring is made of zirconia toughened alumina.
[0019] In the present invention, a composite wear-resistant ceramic high-pressure elbow includes the following manufacturing method:
[0020] Manufacture of S1 ceramic lin...
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The invention discloses a composite wear-resistant ceramic high-pressure bent pipe. The composite wear-resistant ceramic high-pressure bent pipe comprises a metal bent pipe outer pipe and a bent pipe ceramic lining, wherein the bent pipe ceramic lining is formed by combining a plurality of ceramic rings, the wall thickness of the bent pipe ceramic lining is 8-10 mm, and each ceramic ring and the metal bent pipe outer pipe are firmly bonded and spliced together through ceramic high-temperature glue. The bent pipe is easy to machine and assemble, high temperature resistance, high pressure resistance, corrosion resistance, abrasion resistance, safety and reliability can be met at the same time, ceramic cannot fall off or leak, the sealing performance is good, the reliability is improved, and the split type ceramic rings are easy to machine and assemble.
Description
technical field [0001] The invention relates to the technical field of bent pipes, in particular to a composite wear-resistant ceramic high-pressure bent pipe. Background technique [0002] Elbows are mainly suitable for wear-resistant pipelines for electric power, metallurgy, coal, petroleum, steel, cement, chemical industry and other ash, coal powder, mineral powder, tailings, and cement wear-resistant pipelines. The conveying pipeline has to withstand high pressure, temperature, and severe wear; because the conveyed medium contains hard particles and is corrosive, the metal elbow is not resistant to wear and easy to corrode and rust; in the pipeline for powder conveying Among them, some elbows are applied with ceramic patches on the inner side of the base body. Ceramic patches are generally pasted with straight plates. Changes in pipe temperature soften the glue and easily cause the ceramic pieces to fall off, thus affecting the service life of the elbow. If the integral...
Claims
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IPC IPC(8): F16L43/00F16L9/14F16L57/06F16L23/18
CPCF16L43/00F16L9/14F16L57/06F16L23/18
Inventor 徐艳章旭
Owner HEFEI JINGCHUANG CERAMIC EQUIP TECH