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Marine flammable ice mining gas solidification storage and transportation system and method

A solid-state and marine technology, applied in the fields of mining fluid, coal gasification, fuel, etc., can solve the problems of easy explosion, high requirements for transport personnel and related operators, complex liquefaction and purification process, etc., to avoid bad conditions , reduce the risk of explosion, and avoid the effect of high cost expenditure

Active Publication Date: 2020-08-25
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the technical defects of the existing method of storing and transporting natural gas in an ocean environment through liquefied natural gas, which has high requirements for transport personnel and related operators, and the liquefaction and purification process is relatively complicated, and is prone to explosion, the present invention provides a marine System and method for solid state storage and transportation of combustible ice mining gas

Method used

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  • Marine flammable ice mining gas solidification storage and transportation system and method
  • Marine flammable ice mining gas solidification storage and transportation system and method

Examples

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Effect test

Embodiment 1

[0056] like figure 1 As shown, a system for gas solidification, storage and transportation of marine combustible ice mining includes mining platform 1, combustible ice synthesis pretreatment system 2, methane gas solidification device 3, combustible ice storage device 4 and pipeline system 5; wherein:

[0057] The mining platform 1 is used to separate combustible ice into produced water and methane gas, and the produced water and methane gas are transported to the combustible ice synthesis pretreatment system 2 through the pipeline system 5;

[0058] The combustible ice synthesis pretreatment system 2 pretreats the produced water and methane gas, and transports them to the methane gas solidification device 3 through the pipeline system 5;

[0059] The methane gas solidification device 3 is used for the synthesis, compression solidification and molding treatment of combustible ice, and transports the processed combustible ice to the combustible ice storage device 4 for storage ...

Embodiment 2

[0081] More specifically, on the basis of Example 1, such as figure 2 As shown, a method for solid-state storage and transportation of marine combustible ice mining gas is provided, including the following steps:

[0082] S1: The production water and methane gas separated from the mining platform 1 are respectively connected to the combustible ice synthesis pretreatment system 2 through the pipeline system 5;

[0083] S2: The combustible ice synthesis pretreatment system 2 stores the produced water and methane gas after pretreatment, and is connected to the methane gas solidification device 3 through the pipeline system 5;

[0084] S3: The methane gas solidification device 3 fully mixes the input methane gas with the produced water, and sprays a certain amount of accelerator for forming combustible ice through the wall; when the pressure in the methane gas solidification device 3 increases to 20MPa, lower the pressure in the device temperature to 4°C and stirred to synthesiz...

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Abstract

The invention provides a marine flammable ice mining gas solidification storage and transportation system. According to the marine flammable ice mining gas solidification storage and transportation system, production water and methane gas obtained by mining flammable ice are conveyed into a flammable ice synthesis pretreatment system through a mining platform, the production water and the methanegas are pretreated through the flammable ice synthesis pretreatment system and are conveyed into a methane gas solidification device, and the methane gas solidification device is used for synthesis, compressing solidification and molding treatment of the flammable ice and conveying the treated flammable ice into a flammable ice storage device for storage and transportation. The invention further provides a marine flammable ice mining gas solidification storage and transportation method, synthesis, cooling, pressure reducing and compression molding of the flammable ice are performed through themethane gas solidification device, long-distance transportation of the flammable ice in a lower pressure environment is realized, the high cost expenditure of liquefied natural gas ultralow temperature transportation is effectively avoided, and the risk of explosion in the liquefied natural gas transportation process is reduced.

Description

technical field [0001] The present invention relates to the technical field of development, utilization, storage and transportation of marine combustible ice resources, and more specifically, to a system and method for solid-state storage and transportation of gas from marine combustible ice mining. Background technique [0002] Combustible ice, also known as natural gas hydrate, is a crystalline clathrate compound formed by gas molecules (mainly methane molecules in nature) and water molecules under high pressure and low temperature conditions. Because of its wide distribution, large reserves, The advantages of high energy density, clean and pollution-free combustion are known as the most potential alternative energy in the 21st century. [0003] Although the patent application (publication number: 108192684A) continuous preparation device and preparation method of block combustible ice discloses a preparation method of block combustible ice, in the actual application proce...

Claims

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Application Information

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IPC IPC(8): E21B43/01E21B43/295C10L7/00
CPCE21B43/01E21B43/295C10L7/00
Inventor 冯景春张偲杨志峰王屹何頔蔡宴鹏
Owner GUANGDONG UNIV OF TECH
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