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Overlying water pollution-free and sediment low-disturbance multi-time pressure-maintaining separation and transfer device

A transfer device and sediment technology, which are applied in the field of pressure-maintaining separation, transfer and culture, low-disturbance and multiple-transfer of sediments, and non-polluting overlying water in the field of pressure-retaining transfer, which can solve the problems of inability to obtain, loss of gas phase components, and limited flux. In-depth study of computational evolution and other issues to achieve the effect of ensuring integrity and improving utilization

Pending Publication Date: 2022-04-15
ZHEJIANG UNIV +2
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  • Description
  • Claims
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Problems solved by technology

However, the conventional transfer devices of these conventional sampling equipment are unable to maintain pressure or have large disturbances or cannot obtain the sediment overlying water interface or cannot provide the sediment and overlying water transfer interface, which leads to sample pressure loss, loss of gas phase components, microbial death, The change of oxidation state and the decomposition of organic components greatly limit the in-depth study of flux calculation and geological environment system evolution in methane seepage area

Method used

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  • Overlying water pollution-free and sediment low-disturbance multi-time pressure-maintaining separation and transfer device
  • Overlying water pollution-free and sediment low-disturbance multi-time pressure-maintaining separation and transfer device
  • Overlying water pollution-free and sediment low-disturbance multi-time pressure-maintaining separation and transfer device

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Embodiment Construction

[0032] The following examples can make those skilled in the technical field understand the present invention more comprehensively, but do not limit the present invention in any way.

[0033] The serial numbers for components in this application, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any order or technical meaning. The "connection" and "connection" mentioned in this application all include direct and indirect connection (connection) unless otherwise specified. In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the descriptio...

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Abstract

The invention relates to a deep sea sampling technology, and aims to provide an overlying water pollution-free and sediment low-disturbance multi-time pressure-maintaining separation and transfer device. The device comprises a sampling mechanism, a pushing cabin mechanism, a pressurizing mechanism and a sediment transfer mechanism, the sampling mechanism comprises a pressure maintaining barrel, a sampling barrel and a sampling barrel ball valve; the pushing cabin mechanism comprises a hollow tubular pushing cabin; the pressurizing mechanism comprises a barrel, a piston and a push rod; the sediment transfer mechanism comprises a shear ball valve with a three-way structure. According to the invention, pressure-maintaining transfer of overlying water and sediments can be realized at the same time, and the overlying water can be prevented from being polluted by other liquids after being transferred. The sediment is transferred out of the sampler through the secondary sampling tube instead of being transferred out like liquid after being stirred and diluted in the prior art, so that the integrity of a sediment sample and the activity of microorganisms can be well ensured.

Description

technical field [0001] The invention relates to deep-sea sampling technology, in particular to a pressure-holding separation transfer culture technology based on the sampling of methane seepage interface sediment and its overlying water, and in particular to a pollution-free pressure-holding transfer of overlying water with low-disturbance sediments for multiple times transfer device. Background technique [0002] Submarine sediment sampling is of great significance for understanding the changes of the earth's environment, predicting the long-term climate change in the future, searching for new energy natural gas hydrates on the seabed, studying the diversity of marine extremophiles, and developing and applying biological genetic resources. For the cultivation research of the ground laboratory of deep-sea microorganisms and the transportation research of the chemical components of the sediment and its overlying seawater, a set of equipment that can realize the separation and...

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Application Information

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IPC IPC(8): G01N1/08G01N1/10G01N33/18
CPCG01N1/08G01N1/10G01N33/18
Inventor 陈家旺郭进李浩南朱海张培豪邓义楠陈道华
Owner ZHEJIANG UNIV
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