Lng gas cylinder X-ray digital imaging inspection mechanical transmission

Abstract

A mechanical transmission device for X-ray digital imaging detection of an LNG (liquefied natural gas) cylinder consists of a lead room assembly, a C-arm walking rack body, a C-arm assembly and an inner roll line assembly, wherein the C-arm walking rack body is mounted on a ceiling framework of the lead room assembly; the C-arm assembly is glidingly connected onto the C-arm walking rack body; the C-arm assembly comprises an oscillating device fitting, a flat-plate support and a pipe head support; and the inner roll line assembly is mounted on a bottom rack body of the lead room assembly. The mechanical transmission device is used for rotating and horizontally moving the LNG cylinder during X-ray irradiation and performing X-ray detection on circumferential weld joints and longitudinal weld joints of the LNG cylinder; and aiming at different heights of the weld joints, the pipe head support and the flat-plate support of the C-arm are subjected to ascending, descending as well as focal length and deflection adjustment, so that high-quality all-dimensional X-ray digital imaging detection free of dead corner and loss is realized, the detection efficiency is high, and the device is economical and practical.

Description

technical field [0001] The invention relates to an X-ray non-destructive detection device, in particular to a mechanical transmission device for X-ray digital imaging detection of LNG gas cylinders in an X-ray real-time imaging non-destructive detection mode. Background technique [0002] LNG (Liquefied natural gas), the English abbreviation for liquefied natural gas. Natural gas is a combustible gas that is naturally extracted from gas fields, and its main component is methane. LNG is condensed into a liquid by cooling gaseous natural gas at normal pressure to -162°C. Natural gas liquefaction can greatly save storage and transportation space and cost, and has the characteristics of large calorific value and high performance. In recent years, global LNG production and trade have become increasingly active, becoming a new hotspot in the world's oil and gas industry. In order to ensure the diversification of energy supply and improve the structure of energy consumption, som...

AI Technical Summary

Problems solved by technology

At present, most domestic LNG cylinder manufacturers use film to detect defects, which is very inefficient, time-consuming and labor-intensive, and the cost of consumables is quite expensive.

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