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A kind of preparation method of composite valve

A valve and metallurgical combination technology, applied in welding equipment, manufacturing tools, non-electric welding equipment and other directions, can solve the problems of long delivery cycle, high price, unfavorable national industry, etc., and achieve the effect of good composite effect and low cost.

Active Publication Date: 2017-01-25
安徽宝泰特种材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, domestic valves rarely use valves made by explosive welding. Even if they are used, they rely on imports. Not only are they expensive, but also the delivery cycle is very long, which is not conducive to the development of national industries. Therefore, independent innovation is required to develop new composite methods for valves.

Method used

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  • A kind of preparation method of composite valve

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Embodiment Construction

[0022] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] figure 1 Shown is the structural representation of the present invention.

[0024] The reference signs therein are: valve 1, Inconel 625 tube 2, explosive layer 3, detonator 4, cavity 5.

[0025] The preparation method of composite valve in the present embodiment, wherein: comprise the following steps:

[0026] Step 1. Place metal material Inconel 625 pipe 2 in the inner wall of valve 1 to be compounded, keep a certain gap between Inconel 625 pipe 2 and the inner wall of valve 1, and Inconel 625 pipe 2 is perpendicular to the side opening of valve 1;

[0027] Step 2: Lay the explosive layer 3 in the Inconel 625 tube 2. The explosive layer 3 is attached to the inner wall of the Inconel 625 tube 2 and the amount of explosive is gradually reduced from the bottom upwards. The amount of explosive is controlled so that the Inconel 625 tube 2...

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Abstract

The invention discloses a preparing method for a composite valve. A metal material Inconel 625 pipe is arranged in the inner wall of the valve to be combined, and a certain gap is kept between the Inconel 625 pipe and the inner wall of the valve; an explosive layer is laid in the Inconel 625 pipe, the explosive layer is attached to the inner wall of the Inconel 625 pipe, the amount of explosive is gradually reduced from bottom to top, the explosive dosage is controlled, the Inconel 625 pipe can sequentially move towards the inner wall of the valve in an accelerated mode from bottom to top through the function of the explosive energy in the explosive combining process, a certain bent angle is formed when the outer wall of the Inconel 625 pipe makes contact with the inner wall of the valve, and then the outer wall of the Inconel 625 pipe and the inner wall of the valve are combined. The preparing method has the advantages that the inner wall of the valve can be combined with abrasion resisting materials, the combination effect is good, and cost is low.

Description

technical field [0001] The invention relates to the technical field of valve welding, in particular to a preparation method of a composite valve. Background technique [0002] Valve (Valve) is a mechanical device that controls the flow, flow direction, pressure, temperature, etc. of the flowing fluid medium. Valves are the basic components in the piping system. Valve fittings are technically the same as pumps and are often discussed as a separate category. The valve can be operated manually or by handwheel, handle or pedal, and can also be controlled to change the pressure, temperature and flow of the fluid medium. A valve is a device that makes or stops the flow of media (liquid, gas, powder) in piping and equipment and controls its flow. Gongliang valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. The working pressure of the valve can range from 0.0013MPa to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K20/08
CPCB23K20/085B23K20/227
Inventor 邓宁嘉孙建戴和华潘云龙赵永武王斌
Owner 安徽宝泰特种材料有限公司
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