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Induction brazing device and method for producing metallurgical composite tubes in atmospheric environment

A technology for atmospheric environment and production metallurgy, applied in the field of steel pipe manufacturing, can solve the problems of complex manufacturing process and high equipment investment cost, and achieve the effects of high base-lining bonding strength, high production efficiency and low cost

Inactive Publication Date: 2017-01-04
XIAN SUNWARD AEROSPACE MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an induction brazing device for producing metallurgical composite pipes in an atmospheric environment, which solves the problems of complicated manufacturing process and high equipment input cost in the production process of existing metallurgical composite pipes

Method used

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  • Induction brazing device and method for producing metallurgical composite tubes in atmospheric environment
  • Induction brazing device and method for producing metallurgical composite tubes in atmospheric environment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Braze the mechanical composite pipe made of (45#+304) into a metallurgical composite pipe, the specification is 60×(5+1):

[0033] Clean the inner surface of the base pipe and the inner and outer surfaces of the liner separately. A layer of tin-lead solder is wound on the outer surface of the liner, and the solder is required to be tightly and evenly covered on the outer surface of the liner without overlapping or gaps. Assemble the base pipe and the liner, with the base pipe outside and the liner inside. The base pipe and the liner pipe are composited by a mechanical composite method to obtain a mechanical metal composite pipe, and the mechanical composite pipe is mechanically straightened. Cut off the redundant part protruding from the liner at both ends of the mechanical composite pipe. In the atmospheric environment, let the mechanical composite tube containing brazing material pass through the induction brazing furnace at a constant speed, and the tube body trave...

Embodiment 2

[0036] Braze the mechanical composite pipe made of (20#+316L) into a metallurgical composite pipe, the specification is 114×(10+2):

[0037] Clean the inner surface of the base pipe and the inner and outer surfaces of the liner separately. A layer of copper-based solder is wound on the outer surface of the liner, and the solder is required to be tightly and evenly covered on the outer surface of the liner without overlapping or gaps. Assemble the base pipe and the liner, with the base pipe outside and the liner inside. The base pipe and the liner pipe are composited by a mechanical composite method to obtain a mechanical metal composite pipe, and the mechanical composite pipe is mechanically straightened. Cut off the redundant part protruding from the liner at both ends of the mechanical composite pipe. In the atmospheric environment, let the mechanical composite tube containing the solder pass through the induction brazing furnace at a constant speed, the speed is about 0.4...

Embodiment 3

[0040] Braze the mechanical composite pipe made of L360QS+825 into a metallurgical composite pipe, the specification is 89×(6+1.5):

[0041]Clean the inner surface of the base pipe and the inner and outer surfaces of the liner separately. A layer of nickel-based solder is wound on the outer surface of the liner, and the solder is required to be tightly and evenly covered on the outer surface of the liner without overlapping or gaps. Assemble the base pipe and the liner, with the base pipe outside and the liner inside. The base pipe and the liner pipe are composited by a mechanical composite method to obtain a mechanical metal composite pipe, and the mechanical composite pipe is mechanically straightened. Cut off the redundant part protruding from the liner at both ends of the mechanical composite pipe. In the atmospheric environment, let the mechanical composite tube containing the brazing material pass through the induction brazing furnace at a constant speed, and the runni...

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Abstract

The invention discloses an induction brazing device and method for producing metallurgical composite tubes in the atmospheric environment. The brazing device comprises a control system. The control system is connected with a speed regulating motor set, an induction heating power supply, a thermodetector and a cooling device. The speed regulating motor set is connected with a roller carrier for supporting walking of the composite tubes. An induction heating coil is connected with the induction heating power source, and the induction heating coil, the thermodetector and the cooling device are sequentially arranged in the conveying direction of the roller carrier. The metallurgical metal composite tubes manufactured through the method effectively solve the problem that the bonding strength of mechanical metal composite tube base liners is not high, compared with a complex process of traditional metallurgical composite tubes, no vacuum environment is needed, the process is simple, cost is low, production efficiency is high, energy consumption is low, the bonding strength of base liners is high, and the excellent mechanical performance of base tubes and the anti-corrosion performance of liner tubes are achieved.

Description

technical field [0001] The invention belongs to the technical field of steel pipe manufacturing, and in particular relates to an induction brazing device for producing metallurgical composite pipes in an atmospheric environment; the invention also relates to a method for using the device to produce metallurgical composite pipes. Background technique [0002] Due to the combination of the excellent mechanical properties of carbon steel pipes and the corrosion resistance of corrosion-resistant alloy linings, as well as the high cost performance, bimetallic composite pipes have been increasingly widely used in oil and gas development, seawater desalination, chemical industry, food, electric power and other industries in recent years. Applications. Bimetal composite pipes can be divided into mechanical composite pipes and metallurgical composite pipes according to their composite methods. Mechanical composite pipes are generally produced by spinning methods, hydraulic methods, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K3/04B23K1/002B23K1/20B23K101/06
CPCB23K3/0475B23K1/002B23K1/20
Inventor 史长明郭霖郭崇晓张燕飞袁江龙姜义
Owner XIAN SUNWARD AEROSPACE MATERIAL CO LTD
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