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Three-dimensional laser scanning deformation detection device and method with heat preservation layer storage tank

A detection device, three-dimensional laser technology, used in measurement devices, optical devices, instruments, etc.

Active Publication Date: 2018-10-09
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the problem that the current three-dimensional laser scanning technology cannot be applied to the external inspection of storage tanks without removing the insulation layer, the patent of the present invention provides a method and device for detecting deformation of in-service storage tanks with insulation layers

Method used

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  • Three-dimensional laser scanning deformation detection device and method with heat preservation layer storage tank

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Embodiment Construction

[0026] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and the drawings. Here, the exemplary embodiments of the present invention and the description thereof are used to explain the present invention, but not as a limitation to the present invention.

[0027] Please refer to figure 1 As shown, the deformation detection device for an in-service storage tank with an insulation layer provided by the present invention specifically includes: a blind rivet nut, a hollow bolt, a nut, a square plate, and three cross-shaped targets; The outer protective iron layer is riveted; the hollow bolt has a cylindrical cavity structure, and the hollow bolt is provided with a cylindrical hole along the central axis from the bolt head to the bottom of the screw; the inner hole surface of the hollow bolt head is predetermined The ...

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Abstract

The invention provides a three-dimensional laser scanning deformation detection device and method with a heat preservation layer storage tank. The detection device comprises a pull-rivet nut, a hollowbolt, a nut, a square plate and three cross-shaped targets; wherein the pull-rivet nut is riveted with the outer protecting iron sheet layer of the storage tank; the hollow bolt is of a cylindrical hole cavity structure, and a cylindrical hole penetrating from the head of the bolt to the bottom of the screw rod is formed in the center axis of the hollow bolt; inner threads are arranged on a preset area of the surface of the inner hole of the head of the hollow bolt; external threads are arranged on the outer surface of the screw rod of the hollow bolt; the nut is matched with the hollow boltto fasten and connect the square plate; a round small hole is formed in the center of the square plate; the three cross-shaped targets are attached to the outer surface of the square plate; and the cross intersection lines of the three cross-shaped targets are connected to form a triangle.

Description

Technical field [0001] The invention relates to the technical field of storage tank safety management and measurement, in particular to a deformation detection device and method for an in-service storage tank with an insulation layer. Background technique [0002] my country's storage tanks continue to develop in the direction of large-scale, localized and centralized. Large vertical steel welded atmospheric storage tanks have become the key strategic equipment for my country's oil and gas resources and chemical material storage. However, large-scale storage tanks are prone to geometric deformation due to foundation settlement, liquid level fluctuations and other reasons. When the deformation is serious, the sealing ring of the floating roof tank will not be tightly sealed, resulting in high oil and gas concentration and increased oil and gas loss, which is easy to cause Unsafe accidents such as fire and explosion. In addition, when the deformation of the storage tank exceeds th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/16
CPCG01B11/16
Inventor 刘文才郝笑笑王其华赵永涛孙秉才吴祚祥罗方伟张雪李佳宜
Owner BC P INC CHINA NAT PETROLEUM CORP
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