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Experimental device for impact wear between heat exchange tubes

An experimental device and technology of heat exchange tubes, applied in the field of heat exchange tubes, can solve the problems of accelerating fatigue cracks of heat exchange tubes, economic losses, shortening the working time of equipment parts, etc., and achieve the effect of ingenious design and simple structure

Pending Publication Date: 2022-01-21
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the existence of impact damage, the formation and expansion of fatigue cracks in heat exchange tubes are accelerated, which brings hidden dangers to the stable operation and safe service of steam generators, and will directly shorten the working time of equipment parts, resulting in serious economic losses.

Method used

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  • Experimental device for impact wear between heat exchange tubes
  • Experimental device for impact wear between heat exchange tubes
  • Experimental device for impact wear between heat exchange tubes

Examples

Experimental program
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Effect test

Embodiment

[0031] like Figure 1-6 As shown, an impact wear test device between heat exchange tubes provided in this embodiment includes a fixing mechanism, a supplementary device 300 and a power assembly 500; the fixing mechanism includes a fixing bottom plate 100, and the fixed bottom plate 100 is used for fixing clips The holding assembly 200 and the supplementary feeding device 300 are provided; wherein, the supplementary feeding device 300 is arranged on the upper end of the fixed bottom plate 100 ; the power component 500 is connected with the clamping component 200 .

[0032] The supplementary device 300 acts on the heat exchange tube 400 and is disposed on the upper side of the fixed bottom plate 100 .

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Abstract

The invention relates to an experimental device for impact wear between heat exchange tubes. The experimental device comprises a fixing mechanism, a supplementing device and a power assembly, wherein the fixing mechanism comprises a fixing bottom plate, and the fixing bottom plate is used for fixing the clamping assembly and the supplementing device; the feeding device is arranged at the upper end of the fixed bottom plate; the power assembly is connected with the clamping assembly. The device is simple in structure and ingenious in design, the positioning holes are formed in the fixed bottom plate, the mounting position of the supplementing device can be flexibly changed according to experimental conditions, and the fine adjustment assembly is matched to supplement displacement of the second sliding block, so that it is guaranteed that the heat exchange tubes are tightly attached during impact, and a certain impact load is achieved.

Description

technical field [0001] The invention belongs to the technical field of heat exchange tubes, and in particular relates to an experimental device for impact wear between heat exchange tubes. Background technique [0002] Impact wear usually occurs when the surface of a static object is continuously subjected to impact force, resulting in interface loosening or material loss, resulting in a gap between the interfaces, resulting in a small amplitude radial movement of the two interfaces. Impact wear behavior is common in the service process of equipment in many fields. [0003] The heat exchange tube is an indispensable part of the nuclear power steam generator, and it plays a heat exchange role in the specified temperature, pressure, and different media. The steam generator transfers the energy obtained by the primary circuit to the secondary side medium, and the heat exchange tubes will vibrate in the in-plane direction. When the vibration amplitude of the heat exchange tubes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56G01N3/30G01N3/02
CPCG01N3/56G01N3/30G01N3/02G01N2203/0676G01N2203/0062
Inventor 包士毅陈威娄乘铭
Owner ZHEJIANG UNIV OF TECH
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