Method and device for gas floating isolation enrichment of water-blooming cyanobacteria

A technology for air flotation isolation to collect algae and cyanobacteria gas, which is applied to the cleaning of open water surfaces, water conservancy projects, construction, etc., and can solve the problem that the speed of transportation cannot keep up with the speed of equipment recovery, reduce the efficiency of equipment recovery, and the device is easily damaged and other issues, to achieve the effects of easy large-scale operation, wide range of water body types, and protection from wind and wave damage

Inactive Publication Date: 2016-07-20
INST OF AQUATIC LIFE ACAD SINICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no matter which method is used, the speed of the transfer of cyanobacteria in the water to the equipment cannot keep up with the harvesting speed of the equipment, resulting in a large amount of algae water with low algae concentration being absorbed by the equipment during harvesting, which greatly reduces the harvesting of the equipment efficiency
For a long time, this problem has plagued the operation of cyanobacteria harvesting equipment
In addition, using the natural characteristics of b

Method used

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  • Method and device for gas floating isolation enrichment of water-blooming cyanobacteria
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  • Method and device for gas floating isolation enrichment of water-blooming cyanobacteria

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Effect test

Embodiment 1

[0037] A method for isolation and enrichment of water bloom cyanobacteria by air flotation, the steps are:

[0038] A. Air flotation isolation algae collection: The air compressor inflates the flexible tube to make it float on the water surface to form an air flotation isolation zone, and an algae collection area is formed on the shore zone, and the algae-rich water and algae pulp in the area are concentrated for the algae collection machine Harvest.

[0039] B. Natural algae collection by sinking: after the algae harvesting is completed, deflate the flexible pipe and sink it to restore the water surface landscape, and at the same time, the blue algae will naturally enrich the shoreline again until the concentration of algae water meets the new harvesting conditions: floating algae are evident in the shoreline Or the number of cyanobacteria cells in the water reaches 10 per liter 9 more than one.

[0040] C. The flexible pipe can float and sink in any of the following three ...

Embodiment 2

[0046] according to figure 1 , figure 2 A. Figure 3A It can be seen that a device for air flotation isolation and enrichment of water bloom cyanobacteria is a kind of air flotation isolation belt, which consists of flexible pipe 1, flexible waterproof cloth 2, sinking bottom gabion 3, inflatable sealing threshold 4, and deflated sealing threshold 5 , Air compressor or blower 9, water / sediment interface 10, horizontal surface 11 composition. The connection relationship is: after the flexible pipe 1 and the sinking gabion 3 are wrapped with a flexible waterproof cloth 2, they are sewn with a sewing machine and connected with the flexible waterproof cloth 2. Sink on the water / sediment interface 10, the inflatable sealing threshold 4 and the deflated sealing threshold 5 are respectively installed at the two ends of the flexible pipe 1, and the inflatable sealing threshold 4 is connected with an air compressor or a blower 9. Its effect is: flexible pipe 1 is the rubber hose of...

Embodiment 3

[0051] according to figure 1 , figure 2 B. Figure 3B It can be seen that a device for air flotation isolation and enrichment of water bloom cyanobacteria is a kind of air flotation isolation belt, which consists of a flexible pipe 1, a flexible waterproof cloth 2, a sinking gabion 3, an inflatable sealing threshold 4, a falling weight 7, It consists of anchor rope 8, air compressor or blower 9, water / sediment interface 10, and water level 11. Its connection relationship is: after the flexible pipe 1 and the gabion 3 are wrapped with the flexible waterproof cloth 2, they are sewn with a sewing machine and connected with the flexible waterproof cloth 2. Water / sediment interface 10, inflatable sealing threshold 4 is installed and fixed on one end of flexible pipe 1, inflatable sealing threshold 4 connects air compressor 9, the other end of flexible pipe 1 is not sealed, and is connected anchor rope 8 and falling weight 7. Its effect is: the flexible pipe 1 is a rubber hose w...

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Abstract

The invention discloses a method and device for gas floating isolation enrichment of water-blooming cyanobacteria. The method includes the steps that A, gas floating isolation cyanobacteria collecting is carried out, wherein a flexible pipe is inflated to upwards float, a gas floating isolation strip is formed, a cyanobacteria collecting zone is formed on a bank zone, and cyanobacteria-laden water and cyanobacteria slurry in the zone are harvested through a cyanobacteria collecting machine in a concentrated manner; B, sinking for natural cyanobacteria collecting is carried out, wherein after cyanobacteria harvesting is completed, the flexible pipe is deflated to sink, water surface landscapes are recovered, and meanwhile the cyanobacteria is naturally enriched to the bank zone again until the cyanobacteria water concentration reaches the harvesting condition; and C, the flexible pipe achieves flotation and sinking through one of the three manners. After the flexible pipe and a bottom sinking stone cage are wrapped with flexible waterproof cloth, a bag-seaming machine is used for seaming to achieve connection with the flexible waterproof cloth, the stone cage sinks to a water/sediment interface, an inflation sealing valve and a deflation sealing valve are installed at the two ends or one end of the flexible pipe, and the inflation sealing valve is connected with an air compressor. The method is practical, operation is easy and convenient, the requirement of concentrated harvesting of cyanobacteria collecting equipment is met, the cyanobacteria collecting zone can be rapidly formed, and the water-blooming cyanobacteria in a lake water body can be harvested in large scale.

Description

technical field [0001] The invention belongs to the technical field of isolation and enrichment of water body algae and environmental protection, and more particularly relates to a method for isolation and enrichment of cyanobacteria by using a flexible tube to inflate and float up. At the same time, it also relates to a device for isolating and enriching blue-green algae by inflating and floating a flexible tube, which can quickly form an algae-collecting area, and is especially suitable for large-scale collection of blooming blue-green algae in lake water bodies. Background technique [0002] There are currently many mechanical harvesting methods for removing cyanobacteria blooms in lakes. Mechanical algae harvesting is a physical method that can directly remove cyanobacteria blooms on the lake surface without any negative impact on the water ecosystem. But no matter which method is used, in order to improve efficiency and save costs, the algae water harvested mechanically...

Claims

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Application Information

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IPC IPC(8): E02B15/08
CPCE02B15/08E02B15/0807E02B15/0864
Inventor 肖邦定吴幸强
Owner INST OF AQUATIC LIFE ACAD SINICA
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