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Seabed low-pollution type microorganism multi-membrane sampling device

A sampling device and microbial technology, applied in the direction of enzymology/microbiology device, biochemical cleaning device, biological material sampling method, etc., can solve the problems of reducing the purity of samples, reduce seawater exchange, prevent impurity pollution, increase The effect of total enrichment

Pending Publication Date: 2022-05-10
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

As a result, in the process of lowering and recovering the sampling device, the plate will inevitably come into contact with seawater at other depths, so that the samples will be mixed with impurities and bacteria in seawater at different depths, reducing the purity of specific samples at the target depth

Method used

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  • Seabed low-pollution type microorganism multi-membrane sampling device
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  • Seabed low-pollution type microorganism multi-membrane sampling device

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Embodiment Construction

[0029] The following examples can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.

[0030] In this application, the serial numbers of the components themselves, 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, unless otherwise specified, include both direct and indirect connections (connections). 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 description ...

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Abstract

The invention relates to a microorganism sampling device, and aims to provide a seabed low-pollution type microorganism multi-membrane sampling device. The device comprises a pressure compensation device, a sampling mechanism, a speed reducing and torque increasing mechanism and a driving device, the sampling mechanism comprises a sampling cavity outer cylinder and a sampling cavity inner cylinder which are mounted in a nested manner, a filter membrane fixing shaft penetrates through the axial center, and a plurality of groups of filter membrane structures are arranged on the filter membrane fixing shaft in parallel; one end of the filter membrane fixing shaft is connected with a driving device through a speed-reducing torque-increasing mechanism, and the sampling cavity inner cylinder is driven to rotate around the shaft in the sampling cavity outer cylinder through the speed-reducing torque-increasing mechanism, so that relative intercommunication or staggered sealing of the inner and outer water inlet holes is realized; and the pressure compensation device is connected with the cavity of the sampling cavity inner cylinder. According to the invention, a rotatable opening and closing double-cylinder structure is used as a main sampling component, the sampling cavity can be always kept closed in the lowering and recycling processes, and an open environment is formed only in the seabed rotating inner cylinder at a preset depth; impurity pollution can be effectively prevented, and it is ensured that a pure microbial film sample at the target depth is obtained.

Description

technical field [0001] The invention relates to a microbial sampling device, in particular to a submarine low-pollution microbial multi-film sampling device. Background technique [0002] The ocean occupies about 71% of the total surface area of ​​the earth, and there are more than 10 million biological species in the ocean, which has great biodiversity. Over the past 50 years, humans have discovered more than 20,000 natural products through the cultivation and research of marine microorganisms. Among them, many compounds with novel and unique structures have been found to have anti-tumor, anti-cell aging, and anti-bacterial / viral activities, which are of great significance for the development of related drugs. The research and development of marine microbial diversity and its natural product resources is receiving more and more attention from countries all over the world. [0003] At present, direct sampling is usually adopted for the microbial content in ordinary seawate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/26C12M1/12C12M1/36C12M1/00
CPCC12M33/12C12M33/14C12M23/48C12M37/04C12M41/48
Inventor 陈家旺曹晨葛勇强王豪王威郭进方玉平何开周朋
Owner ZHEJIANG UNIV
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