Marine natural gas hydrate exploitation simulation device

Abstract

The invention relates to a marine natural gas hydrate exploitation simulation device. The marine natural gas hydrate exploitation simulation device comprises a distribution tank 1, exhaust pipes 2, a mixing delivery pump 5, a separation tank 7, a liquid level device 8, a blow-off pipe 9, a blow-off pump 10, a booster pump 14 and a natural gas tank 12, wherein the bottom end of the distribution tank 1 is connected with the exhaust pipes 2; the exhaust pipes are L-shaped and are distributed around the distribution tank in an annular array manner; a natural gas sensor 4 and a butterfly valve 3 are arranged at the top end of each exhaust pipe; the top end of the distribution tank is connected with the mixing delivery pump 5 through a mixing pipeline 6; a discharge port of the mixing delivery pump is connected with the separation tank 7 through a feeding pipeline 11; the separation tank is provided with the liquid level device 8; a sensing part of the liquid level device vertically extends into the separation tank; the blow-off pipe 9 and the blow-off pump 10 are arranged at the bottom end of the separation tank; the top end of the separation tank is connected with a gas inlet of the booster pump 14 through a gas delivery pipeline 13; and an output port of the booster pump is communicated with the natural gas tank 12. The marine natural gas hydrate exploitation simulation device is reliable in principle and simple and convenient to operate, and technical conditions are provided for further deep research on effective exploitation of natural gas hydrates.

Description

technical field [0001] The invention relates to the field of marine natural gas hydrate exploitation, in particular to a simulation device for marine natural gas hydrate exploitation. Background technique [0002] Natural gas hydrate is also called combustible ice because its appearance is crystalline like ice. The reserves of natural gas hydrate are huge in the world, and its combustion emissions are cleaner than those of oil and coal. However, natural gas hydrate The conditions for formation under these conditions are relatively harsh. The environment requires high pressure, low temperature and water. At the same time, bacteria such as aerobic and anaerobic bacteria are required to decompose organic matter to form gas hydrate. Therefore, natural gas hydrate mostly exists in the muddy soft seabed. In the shallow layer, the distribution of natural gas hydrate layers on the seabed is characterized by a wide area but thin thickness, so the traditional shaft mining method has l...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a marine natural gas hydrate mining simulation device, which is reliable in principle and easy to operate, and solves the problem that the structure of the existing natural gas hydrate mining simulation equipment is not suitable for the distribution characteristics of natural gas hydrate. It is conducive to further in-depth research on the effective exploitation of natural gas hydrate

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