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LNG bimetal full-capacity storage tank hot corner protection upside-down construction method

A hot corner protection, bimetal technology, applied in metal processing equipment, fixed-capacity gas storage tanks, installation devices for container structures, etc., can solve the problems of easy deformation, large engineering volume, etc. High and reduce the effect of construction period

Pending Publication Date: 2021-08-17
CHINA RAILWAY 18TH BUREAU GRP CO LTD +1
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  • Summary
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The upper part of the hot corner protection is connected with the outer tank wall through the cover plate, and the lower part is connected with the secondary bottom plate through the arc plate. The space between the hot corner protection wall board and the outer tank wall board is filled with foam glass bricks, and the hot corner protection wall board is generally 5mm Thick S30408 ​​stainless steel plate with a height of 5m. The normal construction method of the hot corner protection wall plate is the front installation method. When the wall plate is installed, each wall plate needs to be fixed with oblique supports, which requires a large amount of work and is prone to deformation

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  • LNG bimetal full-capacity storage tank hot corner protection upside-down construction method
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  • LNG bimetal full-capacity storage tank hot corner protection upside-down construction method

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Embodiment Construction

[0112] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0113] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

[0114] refer to Figure ...

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Abstract

The invention belongs to the technical field of bimetal full-capacity storage tanks, and particularly relates to an LNG bimetal full-capacity storage tank hot corner protection upside-down construction method. The method comprises the steps of construction technology process, material and equipment, quality control, safety measures and environmental protection measures, the construction technology process comprises the steps of construction preparation, hot corner protection cold insulation laying, plate machining, hot corner protection cover plate installation, base plate installation, uppermost-layer hot corner protection wall plate installation, lower-layer hot corner protection wall plate installation, arc-shaped plate installation, inspection and testing, the step of hot corner protection cold insulation laying comprises the following operation steps that S1, before foam glass bricks are laid, dirt on the surface of the inner side of an outer tank wall is removed, and the surface is dry, free of dust and free of oil contamination; and S2, the foam glass bricks are pasted by adopting special low-temperature-resistant glue, all the contact faces are firmly pasted by adopting a full-coating mode, and the low-temperature-resistant glue should be fully coated. According to the construction method, the hot corner protection wall plate is installed through an inverted installation method, inclined support fixing is not needed, and the deformation generated in the construction process is extremely small.

Description

technical field [0001] The invention relates to the technical field of bimetallic full-capacity storage tanks, in particular to a construction method for thermal angle protection flipping of LNG bimetallic full-capacity storage tanks. Background technique [0002] Under the increasingly tense situation of world energy, the proportion of natural gas in the world's energy structure will gradually surpass that of oil and become the world's largest energy source. As the main storage equipment for liquefied natural gas, LNG storage tanks are also being continuously improved and optimized. [0003] Single-containment tank → double-containment tank (increase the height of the cofferdam to reduce the floor area) → full-containment tank (cofferdam = outer tank), bimetallic full-containment tank is a kind of full-containment tank, which is a double-metal wall + thermal angle protection structure . Under normal working conditions, LNG liquid is stored in the inner tank of the storage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C3/00B23K31/02
CPCB23K31/02F17C3/00F17C2203/0636F17C2205/0103F17C2221/033
Inventor 李景杨伟彭云王永成赵豪放张锐
Owner CHINA RAILWAY 18TH BUREAU GRP CO LTD
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