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Pipe fitting with double metallic composite elbows

An elbow pipe and bimetal technology, applied in the direction of elbows, pipes/pipe joints/fittings, pipe components, etc., can solve the problems of loose connection and high manufacturing cost, achieve small flow resistance, ensure firmness and stability, Fluency effect of substances such as acid and alkali

Pending Publication Date: 2017-08-08
江苏兴洋管业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Bimetal elbow pipe fittings have the corrosion resistance and high strength of stainless steel, and can replace all stainless steel elbows. They have certain advantages in energy saving and consumption reduction, and can effectively solve problems such as high manufacturing costs and loose connections.

Method used

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  • Pipe fitting with double metallic composite elbows
  • Pipe fitting with double metallic composite elbows
  • Pipe fitting with double metallic composite elbows

Examples

Experimental program
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Effect test

Embodiment

[0023] A bimetal composite elbow pipe fitting, characterized in that it includes an outer layer 1, an inner layer 2, a fixing device, and a pipe fitting 9; the outer layer 1 includes a first half-shell elbow 3 and a second half-shell elbow 4 , the first half-shell elbow 3 and the second half-shell elbow 4 are fixedly connected to the inner layer 2, and the fixing device includes a fixed body 5, a first fixed shell 6, a second fixed shell 7, a rotating Bolt 8; the fixed body 5 is a T-shaped structure with a cylindrical hole in the middle, the first fixed shell 6 and the second fixed shell 7 are respectively located on both sides of the lower end of the T-shaped, and can be placed on the fixed body 5 Move in the radial direction of the fixed body 5, the outer circumference of the fixed body 5 is provided with bosses, and the rotating bolts 8 are respectively connected with the first fixed shell 6 and the second fixed shell 7 through the bosses of the fixed body 5, so that The ou...

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Abstract

The invention discloses a pipe fitting with double metallic composite elbows, relating to the field of a chemical conveying pipeline. The pipe fitting comprises an outer layer, an inner layer, a fixing device and a pipe fitting body, wherein the outer layer comprises a first half shell elbow and a second half shell elbow, and the first half shell elbow and the second half shell elbow are both fixedly connected with the inner layer; the fixing device comprises a fixed body, a first fixed shell, a second fixed shell and swivel bolts; the fixed body is T-shaped, and a cylindrical hole structure is arranged in the middle of the fixed body, and the first fixed shell and the second fixed shell are respectively positioned on the two sides of the lower end of the T shaped and can move on the radial direction of the fixed body; bosses are arranged on the external circumference of the fixed body, and the swivel bolts are respectively connected with the first fixed shell and the second fixed shell through the bosses of the fixed body. The pipe fitting can prevent from being corroded in the conveying process, reduces the manufacturing cost, and is tight in connection.

Description

technical field [0001] The invention relates to the field of chemical output pipelines, in particular to a bimetal composite elbow pipe fitting. Background technique [0002] With the continuous development of the national petrochemical and coal chemical industries, the scale of pipeline installations has expanded accordingly, and there is a greater demand for large-diameter welded elbows with pipe diameters greater than 1200 mm. Elbows are one of the important components of industrial pipelines such as petroleum and chemical industries. Usually, the materials for making elbows are carbon steel, alloy steel, and stainless steel. According to its pipeline transmission medium, select the appropriate material. If the pipeline used to transport acid and alkali substances is generally made of stainless steel, the use of stainless steel pipelines has a high investment cost, and the existing elbow joints will inevitably loosen after a long time, which will lead to many unnecessary...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L43/00F16L43/02
CPCF16L43/001F16L43/02
Inventor 戚晓勇陈林育刘强吏万坤范茂祥
Owner 江苏兴洋管业股份有限公司
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