Wear-resistant S-shaped pipeline elbow and anti-abrasion treatment method of elbow

A pipe elbow, anti-wear technology, applied in the direction of elbows, pipes/pipe joints/fittings, siphons, etc.

Active Publication Date: 2016-04-13
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the defects of existing elbows, the object of th

Method used

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  • Wear-resistant S-shaped pipeline elbow and anti-abrasion treatment method of elbow
  • Wear-resistant S-shaped pipeline elbow and anti-abrasion treatment method of elbow
  • Wear-resistant S-shaped pipeline elbow and anti-abrasion treatment method of elbow

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Embodiment 1

[0082] Specific embodiments of the present invention are provided below, and it should be noted that the present invention is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solutions of the present application all fall within the scope of protection of the present invention.

[0083] According to the above technical scheme, the cross-sections of the inlet and outlet of the S-shaped pipe elbow in this embodiment are both 320mm×250mm, and the thicknesses of the upper top plate, the lower bottom plate, the arc surface a and the arc surface b are all 0.5mm, and the S-shaped pipe elbow The elbow is formed by coupling two 90°pipe elbows. The inner radius of each 90°pipe elbow is 320mm and the outer radius is 640mm. Straight pipe section, a 2m long straight pipe section is connected to the outlet. According to the "Code for Design of Heating, Ventilation and Air Conditioning in Civil Buildings", the wind speed ...

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Abstract

The invention discloses a wear-resistant S-shaped pipeline elbow and a wear-resistant treatment method of the elbow. The wear-resistant S-shaped pipeline elbow comprises an upper top plate, a lower bottom plate, a cambered surface a and a cambered surface b. The S-shaped elbow is obtained through the surrounding of the upper top plate, the lower bottom plate, the cambered surface a and the cambered surface b, which are taken as four side surfaces. The upper top plate is the same as the lower bottom plate. The cambered surface a is the same as the cambered surface b. The upper top plate, the lower bottom plate and the cambered surface a are all divided into high-friction areas, middle-friction areas and low-friction areas. Wear-resistant materials of different wear-resistant thicknesses are respectively arranged on the surfaces, which are positioned in the elbow, of the high-friction areas and the middle-friction areas. Different wear-resistant materials are adopted at parts, with different friction shear forces, of the elbow, grinding a pipeline by a material during the pneumatic transmission process is effectively prevented, the wear resistance of different parts of the pipeline is enhanced according to the abrasion degrees of the different parts, and besides, the expensive material is saved, and the manufacturing cost of the elbow is reduced.

Description

technical field [0001] The invention belongs to the field of industrial ventilation, and in particular relates to an elbow and a treatment method for the elbow, in particular to an S-shaped wear-resistant elbow and a wear-resistant treatment method for the elbow. Background technique [0002] In the process of conveying abrasive materials such as pneumatic and pumped slurry, because the conveying medium generally has the characteristics of high hardness, fast flow rate, and large flow rate, it will continue to impact, wear, and corrode the pipe wall for a long time during the conveying process. Fatigue the pipeline and gradually wear it out. Especially when the wear-resistant pipeline transports abrasive materials (such as ash, coal powder, ore powder, tailings, cement, etc.), there is a problem that the wear-resistant pipeline wears quickly, especially the bend of the pipeline. At the local resistance member such as the head, the collision between the material and the surr...

Claims

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Application Information

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IPC IPC(8): F16L43/00
CPCF16L43/007
Inventor 高然张佳扬张威赵建勋陈仕扩苟立
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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