Modularized BOG (Boil Off Gas) re-liquefaction system of low-temperature liquid storage tank

A cryogenic liquid, modular technology, used in gas/liquid distribution and storage, fixed-capacity gas storage tanks, pressure vessels, etc., can solve the problems of cumbersome process operation, not a solution, high cost, and achieve simple system structure and application. flexible effects

Active Publication Date: 2014-09-24
CHART CRYOGENIC ENG SYST CHANGZHOU
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  • Abstract
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Problems solved by technology

However, the cost of this solution is high and the process operation is cumbersome, so it is not an ideal solution

Method used

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  • Modularized BOG (Boil Off Gas) re-liquefaction system of low-temperature liquid storage tank

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] see figure 1 , a modular cryogenic liquid storage tank BOG gas reliquefaction system, including a condensation tank 1, a refrigerant storage tank 2 and a control system 3, the condensation tank 1 includes an inner container, an outer shell, and a sandwich insulation space formed by the inner container and the outer shell , the refrigerant storage tank 2 includes an inner container, an outer shell, and an interlayer insulation space formed by the inner container and the outer shell, the refrigerant storage tank...

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Abstract

The invention discloses a modularized BOG (Boil Off Gas) re-liquefaction system of a low-temperature liquid storage tank. The re-liquefaction system comprises a control system, a condensing tank and a cooling medium storage tank, wherein a medium conveying pipeline and a medium reflux pipeline are connected on the condensing tank; the condensing tank and the cooling medium storage tank are communicated through a cooling medium conveying pipeline and a cooling medium reflux pipeline; a condenser is arranged in the condensing tank and is communicated with the cooling medium conveying pipeline; a pressurizer is connected on the condensing tank and is communicated with the medium reflux pipeline. Through the manner, the BOG re-liquefaction system of the low-temperature liquid storage tank can be modularized and is suitable for all low-temperature liquid storage systems facing the BOG treatment problem in the market; the system is simple in structure and flexible in application, and has modularized design.

Description

technical field [0001] The invention relates to the field of cryogenic liquid storage, in particular to a modular cryogenic liquid storage tank BOG gas reliquefaction system. Background technique [0002] Cryogenic liquid storage technology is mainly an effective storage equipment researched and developed for cryogenic (below -100°C) liquid media, such as liquid nitrogen, liquid oxygen, and liquefied natural gas (LNG), and is usually called a cryogenic liquid storage container. The main structure of cryogenic liquid storage container is composed of three parts: inner container, outer shell and interlayer insulation space. With this structural composition, the purpose of storing the cold energy of the cryogenic medium is achieved, so that the cryogenic medium can be safely and effectively stored for a long time. [0003] Due to the large temperature difference between the temperature of the stored cryogenic medium and the external environment, under the current thermal insul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C1/12F17C5/04F17C13/02
Inventor 楚亚军E·古斯塔夫森徐惠新
Owner CHART CRYOGENIC ENG SYST CHANGZHOU
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