Hydrate storage and transportation method based on self-protection effect
A hydrate and self-protection technology, applied in the container discharge method, container filling method, fixed-capacity gas storage tank, etc., can solve problems such as decomposition, and achieve the effect of inhibiting the decomposition rate
Inactive Publication Date: 2014-09-24
SHENZHEN GAS CORP
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Problems solved by technology
[0008] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide a hydrate storage and transportation method based on the self-protection effect, aiming to solve the problem that the existing hydrate storage and transportation methods are easy to decompose during the storage and transportation process
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[0029] The present invention provides a hydrate storage and transportation method based on the self-protection effect. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0030] see figure 1 , figure 1 It is a flow chart of a preferred embodiment of the self-protection effect-based hydrate storage and transportation method of the present invention, as shown in the figure, which includes steps:
[0031] S101, stirring the natural gas in the hydrate reactor under low temperature and high pressure conditions to generate slurry hydrate;
[0032] S102, dehydrating the generated slurry hydrate, processing it into hydrate snowballs, and then freezing the hydrate snowballs;
[0033] S103. Put the frozen hydrate s...
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Abstract
The invention discloses a hydrate storage and transportation method based on self-protection effect. The method comprises the steps of: A, stirring the natural gas under low temperature and high pressure conditions to generate a reactor for generating a paste hydrate; B, conducting dehydration treatment on the paste hydrate, and processing the paste hydrate into a hydrate snowball, and then freezing the hydrate snowball; C, placing the frozen hydrate snowball in a low temperature storage tank, and keeping the cabin temperature at 253-273 K; and D, introducing gas into the cabin, maintaining the pressure of the cabin at 0.1-0.2 Mpa, and keeping a sealing state in the cabin. The storage mode provided by the invention can greatly inhibit decomposition rate of the hydrate, and ensure that he hydrate maintains in the metastable state without decomposition for a long time, thus realizing the safe, efficient, economical and convenient storage and transportation of natural gas.
Description
technical field [0001] The invention relates to the technical field of natural gas storage and transportation, in particular to a hydrate storage and transportation method based on self-protection effect. Background technique [0002] With the advancement of science and technology and the development of society, natural gas, as an important clean energy that can improve the energy structure, has inestimable significance and role in future economic development and promotion. Natural gas at normal temperature and pressure is a gas state with low energy density, so how to store more natural gas safely and efficiently in a limited volume has become an important topic worthy of research. [0003] In the prior art, common natural gas storage and transportation methods include pipeline natural gas (PNG) storage and transportation, liquefied natural gas (LNG) storage and transportation, compressed natural gas (CNG) storage and transportation, and adsorbed natural gas (ANG) storage a...
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IPC IPC(8): F17C11/00F17C1/12F17C13/04C10L3/10
Inventor 温永刚陈秋雄陈运文滕云龙樊栓狮郎雪梅王燕鸿安成名陆涵
Owner SHENZHEN GAS CORP