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Metal in-situ protection device and method based on deep-sea microorganisms and sediments

A technology for protection devices and microorganisms, applied in enzymology/microbiology devices, biochemical cleaning devices, biochemical equipment and methods, etc. Electron transfer rate, the effect of increasing the rate of electricity production

Inactive Publication Date: 2019-05-14
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it can effectively prevent the growth and enrichment of submarine microorganisms on the surface of the equipment, it will dissolve some toxic heavy metals into the seawater after soaking in seawater for a long time. Once the coating is hit by an external force, it may crack and fall off, exposing the protected substrate. , the erosion of the equipment will accelerate
The patent "A Sacrificial Anode Protection Device for Seawater Pipelines" (CN2656433Y) discloses a sacrificial anode protection device for seawater pipelines. However, this device is suitable for tubular and columnar parts, has a small scope of application, and requires external copper wires. For complex ocean currents under the sea, there is a wire disconnection
It is necessary to replace the anode block underwater regularly. Every time it is replaced, the submarine pipeline on the surface of the protected equipment needs to be treated again. The installation steps are complicated and the underwater operation is difficult

Method used

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  • Metal in-situ protection device and method based on deep-sea microorganisms and sediments
  • Metal in-situ protection device and method based on deep-sea microorganisms and sediments

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] A metal in-situ protection device based on deep-sea microbes and sediments, installed on both sides of a certain type of deep-sea exploration equipment walking mechanism, 1000m below sea level, and advance along the seabed sediment surface at the same speed in the same direction with the mechanism, with the sediment inserted at the bottom The object depth is 20cm, and the main material of the protected equipment is 316L steel.

[0044] There are 6 microbial catalytic decomposition reaction units 1 in the device, and the 6 microbial catalytic decomposition reaction units are connected in parallel; the microbial catalytic decomposition reaction unit and the separation deposition unit are connected in parallel;

[0045] The conductive and fixing device includes a housing fixing part and a conductive part;

[0046] The microorganism catalytic decomposition reaction unit 1 includes a frame 11, a central carrier 12, a carrier isolation plate 13 and a carrier baffle 14, and the centr...

Embodiment 2

[0056] A metal in-situ protection device based on deep-sea microorganisms and sediments, installed on both sides of a certain type of deep-sea mining equipment walking mechanism, 1500m below sea level, and advances along the seabed sediment surface at the same speed in the same direction with the mechanism, with sediment inserted at the bottom Object depth 15cm. The device has 8 microbial catalytic decomposition reaction units, and the connection mode of the 8 microbial catalytic decomposition reaction units is parallel; the connection mode of the microbial catalytic decomposition reaction unit and the separation deposition unit is parallel;

[0057] The conductive and fixing device 3 includes a housing fixing part and a conductive part;

[0058] The connection relationship of the biocatalytic decomposition reaction unit, the separation deposition unit and the conductive and fixing device is the same as above.

[0059] Multiple microbial catalytic decomposition reaction units are fi...

Embodiment 3

[0067] A metal in-situ protection device based on deep-sea microorganisms and sediments, installed on both sides of a certain type of deep-sea cable laying equipment walking mechanism, 1200m below sea level, and advances along the seabed sediment surface in the same direction with the mechanism at the same speed, inserted at the bottom The depth of the deposit is 10cm.

[0068] The device has 4 microbial catalytic decomposition reaction units, and the connection mode of the 4 microbial catalytic decomposition reaction units is parallel; the connection mode of the microbial catalytic decomposition reaction unit and the separation deposition unit is parallel;

[0069] The conductive and fixing device 3 includes a housing fixing part and a conductive part;

[0070] The connection relationship of the biocatalytic decomposition reaction unit, the separation deposition unit and the conductive and fixing device is the same as above.

[0071] A plurality of microorganism catalytic decompositi...

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Abstract

The invention provides a metal in-situ protection device and method based on deep-sea microorganisms and sediments, and belongs to the technical field of deep-sea metal protection. The device comprises at least one microbial catalytic decomposition reaction unit, a separation and sedimentation unit and a conducting and fixing device, wherein the microbial catalytic decomposition reaction units areconnected in parallel; the microbial catalytic decomposition reaction units are connected with the separation and sedimentation unit in parallel; the conducting and fixing device comprises an outer shell fixing part and a conducting part and is used for fixing the microbial catalytic decomposition reaction units and the separation and sedimentation unit and supplying power to the units. The metalin-situ protection device is installed on the two sides of a seabed traveling mechanism in parallel, and the bottom is inserted into the sediments; the metal in-situ protection device does not need external energy supply and is free of raw material loss; when advancing, the protection device completes the self-replacement of strains and florae, and can continuously and efficiently protect seabedmetals and prolong the service life of the metals.

Description

Technical field [0001] The invention relates to the technical field of deep-sea metal protection, in particular to a metal in-situ protection device and method based on deep-sea microorganisms and sediments. Background technique [0002] The ocean area accounts for about 71% of the total area of ​​the earth. It contains important oil and gas, polymetallic nodules, cobalt-rich crusts, polymetallic sulfides, natural gas hydrates and other new minerals as well as extremely rich marine biological resources. Its total economic value is Ten times the total value of land resources, the ocean has therefore become an important stage for high-tech competition among countries. More importantly, the ocean is related to the security of the country's territorial waters, so it is highly valued. In recent years, my country has put forward a national strategy to vigorously develop the marine economy, which also provides a broad development space for the development of the ocean, especially the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/00C23F13/06
Inventor 冯雅丽张功良李浩然
Owner UNIV OF SCI & TECH BEIJING
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