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Preparation method of low-energy-consumption explosive compound rod

A technology of composite rods and composite pipes, applied in the field of explosive welding

Inactive Publication Date: 2021-10-19
ANHUI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a method for preparing a low-energy explosive composite rod, aiming to solve some problems existing in the current explosive composite of pipes and rods

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  • Preparation method of low-energy-consumption explosive compound rod
  • Preparation method of low-energy-consumption explosive compound rod

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Embodiment Construction

[0014] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] Provided in conjunction with the accompanying drawings, a method for preparing a low-energy explosive composite rod comprises the following steps:

[0016] 1) Coaxially arrange the rod to be compounded 1, the pipe to be compounded 2, the small-sized PVC pipe 4-1, and the large-sized PVC pipe 4-2 from the inside to the outside;

[0017] 2) An annular charge made of a detonator and explosives is installed between the pcv pipe 4-1 and the pvc pipe 4-2 to form an explosive device 4 for pipes to be welded;

[0018] 3) Filling water between the pipe to be composited 2 and the explosive device 4 to construct a water environment 3;

[0019] 4) The explosive device 4 is detonated, and the high pressure generated by the explosion is transmitted by the water environment 3 to firmly weld the pipe to be composited and the rod to be c...

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Abstract

The invention provides a preparation method of a low-energy-consumption explosive compound rod. The preparation method of the low-energy-consumption explosive compound rod comprises the following steps of coaxially arranging a rod to be compounded, a pipe to be compounded, a pvc pipe 1 and a pvc pipe 2 from inside to outside, and arranging a detonator and an explosive between the pvc pipes to prepare an explosive device of a material to be welded; filling water between the pipe to be compounded and the explosive device to construct a water environment; and detonating the explosive device to weld and combine the pipe to be compounded and the rod, and obtaining the explosive compound rod. Aiming at the problem that traditional explosive welding is difficult to compound a thin-wall pipe,the invention provides the method for transmitting the high-pressure compound pipe and the rod generated by explosive explosion through an incompressible water medium, so that high-quality compound machining can be conducted on the thin-wall pipe, and damage to the pipe caused by high temperature generated by explosive explosion is effectively avoided; the size of the pipe to be compounded can be randomly selected as required, so that the operability is higher compared with the traditional technology; and the harm of secondary pollution such as dust and noise is effectively reduced, and environmental protection and safety are considered while the production quality is ensured.

Description

technical field [0001] The invention belongs to the field of explosive welding and relates to a method for preparing an explosive composite rod with low energy consumption. Background technique [0002] Explosive welding is a welding method that uses the impact force generated by the explosive explosion to accelerate the cladding material, so that the cladding material collides with the base material at high speed in a short period of time to generate high temperature and high pressure welding method, which can prepare bimetallic or even multimetal composite materials. The biggest feature of explosive welding is that it can quickly and firmly weld most of the same or different metal materials together in a very short period of time to produce bimetallic or even multimetal composite materials with a wide range of uses. [0003] Bimetallic composite materials can perfectly combine the mechanical and chemical advantages of different metals, and bimetallic composite rods made of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/08B23K20/24
CPCB23K20/085B23K20/24
Inventor 缪广红胡昱张念丰艾九英祁俊翔李亮
Owner ANHUI UNIV OF SCI & TECH
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