A magnetic flux leakage detector for the bottom plate of a storage tank
A storage tank bottom plate and detector technology, applied in the direction of material magnetic variables, can solve the problems of the detector being too large and inconvenient to operate, and achieve the effect of small overall volume, convenient transportation and convenient operation.
Active Publication Date: 2021-10-01
TOMATO TECH WUHAN
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[0005] In view of the above problems, the purpose of the present invention is to provide a new type of magnetic flux leakage detector on the bottom of the storage tank, aiming to solve the technical problems of the existing detectors such as excessive volume and inconvenient operation.
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[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0028] In order to illustrate the technical solutions of the present invention, specific examples are used below to illustrate.
[0029] refer to Figure 1-4 As shown, the new storage tank floor magnetic flux leakage detector provided in this embodiment includes a detection host 1, a pair of fixing brackets 2 are installed on both sides of the detection host 1, and a fixing plate is also arranged between the upper parts of the fixing brackets 2 21. There is a U-shaped groove 22 on the upper edge of the fixed plate 21, and a hand-push structure 3 is connected to the rotating shaft above the fixed b...
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The invention is applicable to the technical field of non-destructive testing, and provides a new type of magnetic flux leakage detector for the bottom plate of storage tanks, which includes a detection host, a pair of fixed brackets are installed on both sides of the detection host, and a fixed plate is also arranged between the upper parts of the fixed brackets , a U-shaped groove is formed along the edge of the fixing plate, and the rotating shaft above the fixing bracket is connected with a hand-push structure. The device of the invention has a compact structure design and provides a folding structure scheme, which makes the detector small in size, simple in operation and convenient in transportation. In the preferred solution, when the detection host encounters the steps of the lap-welded steel plate, it may cause mechanical damage to the bottom of the detection host. The present invention adopts the hovering function to detect the part of the bottom plate with a height change, which avoids the unevenness of the bottom plate and causes damage to the detection. Damage to the bottom of the main unit. In addition, the preferred solution of the present invention also eliminates electric sparks by using travel switches and solid-state relays, thereby further improving the safety of the system.
Description
technical field [0001] The invention belongs to the technical field of non-destructive testing, and in particular relates to a novel magnetic flux leakage detector for the bottom plate of a storage tank. Background technique [0002] As a conventional non-destructive testing technology, magnetic flux leakage testing technology is widely accepted by testing units and storage tank owners. Among them, the "NB / T 47013.1-2015 Nondestructive Testing of Pressure Equipment" standard clearly lists the magnetic flux leakage testing methods. At the same time, in the national standard "GB / T 30578-2014 Risk-Based Inspection and Evaluation of Atmospheric Storage Tanks", magnetic flux leakage detection, as a highly effective detection technology, has been promoted. Especially for the lower part of the storage tank floor, that is, the corrosion thinning on the soil side, the magnetic flux leakage detection technology is currently the most convenient and rapid detection technology. [0003...
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IPC IPC(8): G01N27/83
CPCG01N27/83
Inventor 卢永雄李虎王康黎岳文陆智明关江浩周峰
Owner TOMATO TECH WUHAN