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Microorganism homing type degradation device for offshore oil pollution area

A technology for offshore oil and polluted areas, which is applied in biological treatment devices, water pollutants, grease/oily substances/floating matter removal devices, etc. Degradation efficiency, the effect of improving degradation efficiency

Active Publication Date: 2021-12-17
HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problem in the existing technology is that microorganisms are very small living organisms. Although they can degrade microorganisms, they are difficult to exist stably in a certain area in seawater and are easily washed away by waves, which is not conducive to the application of microorganisms.

Method used

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  • Microorganism homing type degradation device for offshore oil pollution area
  • Microorganism homing type degradation device for offshore oil pollution area
  • Microorganism homing type degradation device for offshore oil pollution area

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A microbial resident degradation device in marine oil polluted areas, see Figure 1-4 , including a plurality of degradation units. The degradation unit includes a floating plate 1 and a cleaning device 2. The floating plate 1 is in the shape of a cylinder or a cube, which acts as a connection and floats. The connecting pipe 3 passes between the floating plates 1 of two adjacent degradation units. Connected into a grid shape, the connecting pipe 3 can be a rigid pipe or a flexible pipe, see figure 1. The cleaning device 2 is installed below the floating tray 1, and the main purpose of the cleaning device 2 is to inhabit microorganisms capable of degrading marine oil. After connecting multiple degradation units through the connecting pipe 3, place the whole device in the seawater polluted area. Under the action of the buoyancy of the floating plate 1 and the gravity of the cleaning device 2, the floating plate 1 floats on the sea surface, which is convenient for observi...

Embodiment 2

[0048] A microorganism-inhabited degradation device in an offshore oil-polluted area, which has basically the same structure as that of Example 1, the difference is that in order to improve the degradation efficiency of microorganisms, the microorganisms that have degraded petroleum can be recuperated, and the microorganisms that have not degraded petroleum can exert their effects. In this embodiment, a circulation device with functions of microorganism supply and recovery is provided.

[0049] see Figure 5 , the circulation device includes a liquid injection ball 5 and a recovery pipe 51, the liquid injection ball 5 is located inside the sojourn ball 23, and the interior of the liquid injection ball 5 communicates with the sojourn ball 23, the top of the recovery pipe 51 is located inside the connecting pipe 24, and the bottom of the recovery pipe 51 Set through the sojourn ball 23 and communicate with the inside of the liquid injection ball 5, the top of the recovery pipe 5...

Embodiment 3

[0053] A microorganism-inhabited degradation device in an offshore oil-polluted area has basically the same structure as that of Example 2, the difference being:

[0054] see Figure 6 A plurality of floats 6 are also arranged between the oil-absorbing layer 22 and the cleaning unit, and a plurality of through grooves are opened around the surface of the oil-absorbing layer 22, and each through groove is correspondingly provided with a float 6, and each float 6 is connected with a One end of the elastic stay cord 61 and the other end of the stay cord 61 run through the inner wall of the channel of the oil-absorbing layer 22 and the sojourn ball 23, and are connected to the injection ball 5, and the stay cord 61 can move along the inner wall of the channel of the oil-absorbing layer 22 . At this time, a passage allowing the stay rope 61 to move can also be provided in the sojourn ball 23 , and the stay rope 61 is passed through the passage and then connected to the injection b...

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Abstract

The invention belongs to the technical field of pollutant degradation equipment, and particularly relates to a microorganism hosting type degradation device for an offshore oil pollution area. The device comprises a plurality of degradation units, each degradation unit comprises a floating disc and a cleaning device, and the floating discs of every two adjacent degradation units are connected through a connecting pipe; the cleaning device comprises a shell, an oil absorption layer, a living ball and a connecting pipe; and a plurality of meshes are formed in the shell, the oil absorption layer is arranged in the shell, a distance is reserved between the oil absorption layer and the shell, a plurality of screen holes are formed in the oil absorption layer, the living ball is located on the inner wall of the oil absorption layer and attached to the inner wall of the oil absorption layer, microorganisms capable of degrading petroleum are loaded on the living ball, one end of the connecting pipe is connected to the living ball, and the other end sequentially penetrates through the oil absorption layer and the shell and is finally connected with the floating disc. The device provided by the invention provides a relatively stable living place for survival of microorganisms and degradation of petroleum, prevents the microorganisms from being dispersed by seawater, and improves the petroleum degradation effect.

Description

technical field [0001] The invention belongs to the technical field of pollutant degradation equipment, and in particular relates to a microbial degradation device for marine oil pollution areas. Background technique [0002] Marine oil pollution refers to the changes in oil after it enters the sea. After oil enters the sea, a series of complex changes occur, including diffusion, evaporation, dissolution, emulsification, photochemical oxidation, microbial oxidation, sedimentation, formation of asphalt balls, and transfer along the food chain. These processes are mostly interactive. Excessive and long-term oil pollution will affect marine ecology, damage water quality, and affect the survival of marine organisms. Therefore, offshore oil pollution treatment is an essential measure. [0003] The common method of marine oil pollution is microbial degradation. Select microorganisms that can degrade oil, put them into the ocean, and use the metabolic activities of microorganisms...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/34C02F1/40C02F1/28C02F1/00C02F101/32C02F103/08
CPCC02F3/34C02F1/40C02F1/28C02F1/283C02F1/001C02F2103/08C02F2203/008C02F2303/14C02F2101/32C02F2201/008C02F2003/003
Inventor 曹迪董程何恬田陈夕子徐冕徐蓓蓓于嘉恒
Owner HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY
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