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Vacuum insulation panel heat insulated cryogenic liquid storage and transport tank

A vacuum insulation panel, cryogenic liquid technology, applied in gas/liquid distribution and storage, fixed-capacity gas storage tanks, pressure vessels, etc., can solve the problems of poor stability, poor thermal insulation effect, small storage capacity, etc. The effect of improving the thermal insulation effect, improving the use efficiency and light weight

Active Publication Date: 2015-06-17
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This project aims to provide a cryogenic liquid storage and transportation tank insulated by vacuum insulation panels, which can effectively overcome the shortcomings of traditional storage tanks such as poor thermal insulation effect, small storage capacity and poor stability, and provide a Cryogenic liquid storage and transportation containers used on

Method used

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  • Vacuum insulation panel heat insulated cryogenic liquid storage and transport tank
  • Vacuum insulation panel heat insulated cryogenic liquid storage and transport tank

Examples

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Comparison scheme
Effect test

Embodiment 1

[0019] A cylindrical vacuum insulation board-insulated cryogenic liquid storage and transportation tank, which is composed of a C1.2 steel inner tank, a vacuum insulation board wrapped around the inner tank, a thin polyurethane foam layer and a stainless steel outer tank, wherein the inner , The thickness of the outer tank is 5mm, and the thickness of the vacuum insulation board wrapped around the inner tank is 40mm. Among them, polyetheramine modified epoxy resin is glued between the inner tank and the vacuum insulation board, and the thickness of the polyurethane foam filled between the vacuum insulation board and the outer tank is 30mm. The tank body has excellent thermal insulation performance, has the advantages of safety, light weight, environmental protection, intelligence, large capacity, and long life. It can store cryogenic liquids, improve the use efficiency of liquefied natural gas, etc., and reduce the inflation frequency of ships.

Embodiment 2

[0021] A cryogenic liquid storage and transportation tank insulated by a spherical vacuum insulation panel, which is composed of a stainless steel inner tank, a vacuum insulation material layer wound on the surface of the inner tank, a thin layer of polyurethane foam and a carbon fiber reinforced resin matrix composite material shell, wherein, in the thickness The opening neck of the inner tank is sprayed with 2mm, and the outer surface of the inner tank is tightly covered with a bag-shaped packaging film material with thermoplastic polyimide. The composite film material encapsulates the wound inner tank as a whole and vacuumizes it, and obtains a vacuum insulation material layer with a thickness of 35mm outside the inner tank. On the outside of the vacuum insulation layer is a polyurethane foam layer with a thickness of 20mm and a carbon fiber reinforced epoxy resin matrix composite shell with a thickness of 5mm. The tank body has excellent thermal insulation performance, has...

Embodiment 3

[0023] A cryogenic liquid storage and transportation tank with frustum-shaped vacuum insulation panels, which is composed of a C1.2 steel inner tank, a vacuum insulation material layer wound on the surface of the inner tank, a thin polyurethane foam layer and a glass fiber reinforced resin-based composite material shell , wherein the thickness of the inner tank is 4mm, and a Teflon annular plastic layer with a thickness of 20mm is sprayed on the opening neck of the inner tank, and thermoplastic polyimide is tightly laminated and wound with 40 layers of glass wool core material and aluminum foil below the neck, Vacuumize the bag-shaped composite film material and heat seal with the annular Teflon layer to obtain a vacuum insulation material layer with a thickness of 30mm outside the inner tank. Outside the vacuum insulation layer is a polyurethane foam layer with a thickness of 15mm and a glass fiber reinforced epoxy resin based composite shell with a thickness of 7mm. The tank...

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Abstract

The invention relates to a cryogenic liquid storage and transport tank adopting a double-wall sandwich structure. The tank is characterized in that the tank body is formed by composite connection of multilayer materials, and consists of an inner tank, an intermediate composite cold insulation layer and an outer tank from the inside out in order. The inner tank has a thickness of 2-10mm, and is made of low alloy steel. The outer tank has a thickness of 2-15mm, and is made of stainless steel, aluminum alloy or a carbon fiber reinforced resin matrix composite material. The intermediate composite cold insulation layer consists of a vacuum heat insulation material layer and a polyurethane foam thin layer. The vacuum heat insulation material layer is a vacuum layer, which is formed by alternate lamination of a membrane material encapsulated ultra-thin glass wool core material or an ultra-thin glass wool core material and an aluminum foil, a baggy encapsulation membrane material is employed for annular vacuum encapsulation. The storage and transport tank has light mass, large capacity, no pollution, and wide applicable range, and compared with traditional storage tanks, has the advantages of safety, light weight, environmental protection, intelligence, copious cooling, large capacity and long life, can store liquefied natural gas and the like, improves use efficiency, and reduces ship inflation frequency.

Description

technical field [0001] The invention relates to a liquid storage and transportation tank, in particular to a cryogenic liquid storage and transportation tank insulated by a vacuum insulation board. Background technique [0002] Ships such as freighters and passenger ships release a large amount of PM2.5 due to the burning of diesel. PM2.5 refers to particulate matter in the ambient air with an aerodynamic equivalent diameter of 2.5 microns or less, also known as particulate matter that can enter the lungs. After being inhaled, it will directly enter the human body. Bronchus, which interferes with gas exchange in the lungs, contributing to diseases including asthma, bronchitis and cardiovascular disease. The main component of natural gas is methane, the molecular formula is CH 4 , the combustion is complete, and the combustion product is only a small amount of CO 2 and H 2 O, is a clean energy with low cost, high heat conversion efficiency and abundant reserves. Because t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C1/12F17C1/02
Inventor 陈照峰聂丽丽
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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