Continuous release collection device for dissolved gas

Abstract

The invention discloses a continuous removing and collecting device for dissolved gas. The continuous removing and collecting device comprises a hollow cylinder, a sample bin arranged in the cylinder, a piston part arranged in the cylinder and capable of reciprocating along the axis of the cylinder, a gas collecting bag arranged outside the cylinder, a gas removing one-way valve, a gas collecting one-way valve and an ultrasonic generator arranged in the sample bin, wherein the outer diameter of the piston part is adaptive to the inner diameter of the cylinder; the gas collecting bag is connected with a gas collecting pipe; the gas removing one-way valve and gas collecting one-way valve are arranged on the side wall of the sample bin; the gas removing one-way valve is used for conveying gas in the sample bin into space between the piston part and the sample bin when the piston part moves in the direction far from the sample bin; the gas collecting one-way valve is used for conveying the gas in the space between the piston part and the sample bin into the gas collecting bag through the gas collecting pipe when the piston part moves in the direction close to the sample bin. The continuous removing and collecting device can automatically and continuously remove and collect dissolved gas in semi-flow sediments on seabed surface or turbid water of the seabed.

Description

technical field [0001] The invention relates to the technical field of gas extraction and collection equipment manufacturing, in particular to an automatic continuous extraction and collection device for semi-fluid sediments on the seabed surface or dissolved gases in seabed turbid water. Background technique [0002] With the continuous development of my country's economic strength and science and technology, the investigation of seabed mineral resources (such as hydrate, oil and natural gas, etc.) and marine environment investigation are being actively developed. Sediment samples from the surface layer of the ocean bottom tend to appear semi-fluid. When there are mineral deposits such as natural gas, hydrate, and oil on the seabed, or when the water body environment is polluted, methane, hydrogen sulfide, and other gases will seep out of the hydrate, oil and gas deposits, and eutrophic sediments on the seabed. Under high-pressure and low-temperature physical conditions, i...

AI Technical Summary

Problems solved by technology

However, because the sediment particles on the seabed surface are relatively fine, relatively viscous, and have strong adsorption properties, the dissolved gas dissolved in it is difficult to escape. Automatic and continuous extraction and collection of dissolved gases in turbid water or seabed

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