Experimental device and method for spacing between inner layer and outer layer of LNG tank body

Abstract

The LNG tank inner and outer layer spacing experiment device comprises a low-temperature chamber and a normal-temperature chamber, the low-temperature chamber comprises a low-temperature chamber shell, an experiment opening is formed in the top of the low-temperature chamber shell, a low-temperature chamber body heat insulation layer is arranged on the inner wall of the low-temperature chamber shell, and an experiment position heat insulation layer is arranged on the edge of the experiment opening; an LNG tank body inner cylinder simulation plate is arranged at the experiment opening, cold insulation foamed plastic is arranged on the upper surface of the LNG tank body inner cylinder simulation plate, and the outer edge of the LNG tank body inner cylinder simulation plate is connected with the top of the low-temperature chamber shell; a limiting frame is arranged at the top of the low-temperature chamber shell, the LNG tank body inner barrel simulation plate is located in the limiting frame, an outer ring heat insulation layer is arranged on the inner wall of the limiting frame, an LNG tank body outer barrel simulation plate is movably arranged above the LNG tank body inner barrel simulation plate, and the experiment space is used for being filled with an experiment heat insulation layer. The LNG tank body cold insulation interval experiment device is used for carrying out an experiment on the interval between the LNG tank body inner cylinder and the LNG tank body outer cylinder, is used for selecting the LNG tank body with a proper cold insulation interval, and is beneficial to reducing the size and materials of the LNG tank body.

Description

technical field [0001] The invention belongs to the technical field of thermal insulation performance testing of thermal insulation storage tanks, and in particular relates to an experimental device and method for the distance between inner and outer layers of an LNG tank. Background technique [0002] Thermal insulation performance is the core indicator of thermal insulation storage tanks. Most thermal insulation storage tanks use double-layer cylinders (such as the double-layer protection cryogenic liquid pressure storage tank disclosed in CN201310397018.5). Theoretically speaking, the inner and outer layers of thermal insulation storage tanks The larger the spacing, the more insulation layers are filled, and the more obvious the insulation effect is. But the corresponding production cost will be greater, such as the materials used for heat insulation materials and steel structures; at the same time, the volume and weight of the tank body will also be larger. Especially i...

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Problems solved by technology

But the corresponding production costs will be greater, such as the materials used for heat insulation materials and steel structures; at the same time, the volume and weight of the tank will also be greater

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