On-line repair technology for smooth shaft abrasion

A smooth and advanced technology, which is applied in the field of online repair of smooth shaft wear, can solve the problems of agitator phosgene leakage, high disassembly and assembly costs, and inconvenient disassembly, so as to save disassembly and assembly costs and time, small heat-affected zone, and easy to use Convenient and flexible effects

Active Publication Date: 2016-11-30
浙江翰德圣智能再制造技术有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] like figure 1 As shown, the smooth shaft sealing surface of a mixer in a chemical plant is worn. If it is not treated in time, it will cause the leakage of phosgene (a highly toxic gas) in the mixer, which will

Method used

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  • On-line repair technology for smooth shaft abrasion
  • On-line repair technology for smooth shaft abrasion
  • On-line repair technology for smooth shaft abrasion

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Embodiment Construction

[0038] Preferred embodiments of the present invention are described below, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0039] In the specific implementation process, the online repair process for smooth shaft wear of the present invention adopts a high-energy pulse precision cold repair machine, welds through high-energy pulse cold welding, and the repair process for subsequent processing of the shaft end lathe is mainly composed of the following processes;

[0040] S1. Determine the repair plan according to the wear degree of the smooth journal working surface and the outer sealing ring of the mixer during the working process;

[0041] In this step, it is necessary to check and confirm the surface cleaning, wear amount, surface defects, dimensional accuracy of the shaft, and runout, and finally determine the repair plan.

[0042] ...

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Abstract

The present invention relates to the field of blenders, and specifically relates to an on-line repair technology for smooth shaft abrasion of a blender. The repair technology comprises the following steps of (1) determining a repair scheme according to an abrasion degree of a smooth journal working surface of the blender during an operation process with an outer sealing ring, and inspection and confirmation of surface cleaning, abrasion loss, surface defects, shaft size precision and runout; (2) maintaining an abrasion part, determining materials for smoothing and repairing, and ensuring matching of corrosion resistance and mechanical properties of a repair region and a substrate; (3) machining the abrasion part after welding is performed, namely performing machining by using an axle end lathe after the welding is performed; and (4) performing a color nondestructive test on the repair part. By utilization of a high-precision pulse cold welding technology, the repaired binding part is more abrasion-resistant than the original substrate.

Description

technical field [0001] The invention relates to the field of mixers, in particular to an on-line repair process for wear of a smooth shaft on a mixer. Background technique [0002] Such as figure 1 As shown, the smooth shaft sealing surface of a mixer in a chemical plant is worn. If it is not treated in time, it will cause the leakage of phosgene (a highly toxic gas) in the mixer, which will cause serious consequences. The stirring shaft is 5 meters long and weighs tens of tons. The space inside the device is narrow, so disassembly is very inconvenient and requires high disassembly and assembly costs. If the method of on-site repair processing is adopted, the time and cost of emergency repair can be greatly saved. Contents of the invention [0003] The purpose of the present invention is to provide an on-line repair process for smooth shaft wear, which adopts high-precision pulse cold welding technology, so that the repaired joint part will be more wear-resistant than th...

Claims

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Application Information

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IPC IPC(8): B23P6/00
CPCB23P6/00
Inventor 李存钰陈书林慧超林上红
Owner 浙江翰德圣智能再制造技术有限公司
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