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Low-temperature liquid zero-emission device and method

A low-temperature liquid, zero-emission technology, applied in container discharge methods, container filling methods, gas/liquid distribution and storage, etc., can solve problems such as consumption, energy burden, multi-energy, etc., to improve cooling efficiency and save power consumption , the effect of reducing heat leakage

Pending Publication Date: 2019-08-02
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Abstract
  • Description
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Problems solved by technology

[0006] The object of the present invention is to provide a low-temperature liquid zero-discharge device and method, which is used to solve or partly solve the problem that the operation of the refrigerator often occurs in the existing active refrigeration technology that uses a refrigerator to maintain the low-temperature environment of the storage tank to reduce the vaporization of the low-temperature liquid. Need to consume a lot of energy, resulting in the problem of energy burden

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  • Low-temperature liquid zero-emission device and method

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Embodiment Construction

[0028] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0029] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

[0030] An embodiment of...

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Abstract

The invention relates to the technical field of low-temperature liquid storage, and discloses a low-temperature liquid zero-emission device and method. The low-temperature liquid zero-emission devicecomprises a storage box for storing the low-temperature liquid and a refrigerator arranged on the storage box, the refrigerator conveys the cooling capacity into the storage box through a cooling capacity conveying channel, a pressure sensor is arranged in the storage box, a heat switch is arranged on the cooling capacity conveying channel, the refrigerator, the heat switch and the pressure sensorare connected with a controller, and the controller is used for controlling the intermittent and synchronous opening and closing of the refrigerator and the heat switch according to the gas pressureinside the storage box. According to the low-temperature liquid zero-emission device and method, an intermittent operating mode is set on the refrigerator, the continuous operation of the refrigeratorcan be avoided, the cooling efficiency of the refrigeration is improved, meanwhile, the consumed electricity of the refrigerator is saved, and the energy burden is reduced; and the heat switch is mounted on the cooling capacity conveying channel, the heat leakage in the storage box after closing the refrigerator can be effectively reduced, and the cooling efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of cryogenic liquid storage, in particular to a low-temperature liquid zero discharge device and method. Background technique [0002] Low-temperature liquefied storage is currently the gas storage method that is closest to widespread application in terms of technology maturity and feasibility. Low-temperature liquefied gases such as liquid hydrogen and liquefied natural gas are not only clean and environmentally friendly, but also have high energy density. The use of liquefied gas Therefore, new energy aircraft, automobiles and ships have broad application prospects and huge potential markets. [0003] However, the low-temperature liquefaction storage of common liquefied natural gas, hydrogen and other combustible gases all have low-temperature liquid evaporation caused by heat leakage. Cryogenic storage tanks usually use passive insulation techniques (such as multi-layer insulation, stacked powder insulat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C1/00F17C13/00
CPCF17C1/00F17C13/00F17C2223/0161F17C2223/013F17C2221/033F17C2221/012F17C2227/0337F17C2227/0372Y02E60/32
Inventor 陈六彪王俊杰季伟郭嘉
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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