Solar-technology-based natural gas hydrate exploitation and sea water desalination method and apparatus

A natural gas and hydrate technology, which is applied in the fields of natural gas hydrate exploitation and seawater desalination, marine natural gas hydrate exploitation and seawater desalination, can solve complex, high energy consumption, low efficiency and other problems, and achieve the effect of solving energy consumption problems

Active Publication Date: 2017-04-26
DALIAN UNIV OF TECH
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Problems solved by technology

The currently disclosed seawater desalination technology systems are relatively complex, with high energy consumption and low efficiency

Method used

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  • Solar-technology-based natural gas hydrate exploitation and sea water desalination method and apparatus
  • Solar-technology-based natural gas hydrate exploitation and sea water desalination method and apparatus
  • Solar-technology-based natural gas hydrate exploitation and sea water desalination method and apparatus

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Embodiment Construction

[0035] The present invention will be described in further detail below in conjunction with the technical scheme and accompanying drawings.

[0036] As shown in the figure, the device is connected according to the structure of the device, and the device is used for natural gas hydrate exploitation and seawater desalination.

[0037] (1) Inspection: all switches and pumps are turned off to ensure that all devices and pipelines are water-tight and air-tight, and that marine resources are sufficient.

[0038] (2) Water filling-heating-storage: open the first control valve 26-1 and the second control valve 26-2, the first water pump 24-1 runs automatically, and the seawater is pumped into the dual-purpose solar device 25 for heating and power generation After being full, the first control valve 26-1 and the second control valve 26-2 are closed, and the water pump 24-1 stops running automatically. After the solar device heated the water to a certain temperature, the third control swi...

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Abstract

The invention belongs to the technical field of marine natural gas hydrate exploitation and sea water desalination and provides a solar-technology-based natural gas hydrate exploitation and sea water desalination method and apparatus. The apparatus comprises a solar heating and power generation system, a hydrate exploitation system, a sea water desalination system and a natural gas and fresh water collection system. A special solar panel is used to heat sea water and generate power, power support is provided for the whole exploitation process, hot sea water is injected into a reservoir through an exploitation apparatus, sunlight is condensed and enhanced and guided into the exploitation apparatus and the reservoir through a bumped condenser and a porous multi-level condensing lens, sea water desalination and injected water warmth retention are performed by using greenhouse effect of natural gas, high-salinity water generated by sea water desalination may accelerate the decomposition of hydrate. The solar-technology-based natural gas hydrate exploitation and sea water desalination method and apparatus have the advantages that materials are taken and utilized in situ, hydrate exploitation and sea water desalination techniques are perfectly combined, greenhouse properties of natural gas and rich solar energy of a marine area are made full use.

Description

technical field [0001] The invention belongs to the technical field of marine natural gas hydrate exploitation and seawater desalination, and in particular relates to a method and device for natural gas hydrate exploitation and seawater desalination based on solar energy technology. Background technique [0002] Nowadays, fossil fuels are increasingly scarce, and the development of new energy sources has become the focus of research all over the world. Gas hydrates are widely distributed in the world, with large reserves, clean and efficient, and have attracted worldwide attention, especially in the marine environment where the reserves are the largest. At present, the mining technologies of natural gas hydrate mainly include depressurization mining method, thermal shock mining method and chemical reagent injection mining method. The thermal shock mining method is more efficient and easier to implement, but it has not yet solved the problem of low heat utilization efficienc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/20E21B43/24E21B43/01C02F1/14C02F103/08
CPCC02F1/14C02F2103/08E21B41/0099E21B43/01E21B43/20E21B43/24Y02A20/124Y02A20/142Y02A20/212
Inventor 宋永臣陈兵兵杨明军王朋飞刘卫国刘瑜
Owner DALIAN UNIV OF TECH
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