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An in-situ new energy-driven plankton collection device

A plankton and new energy technology, which can be used in oil/oil/float removal devices, energy storage, harvesters, etc. It can solve problems such as damage to microalgae and impact on the quality of microalgae, and achieve simple and convenient use and energy saving. consumption, improve the effect of collection

Active Publication Date: 2019-06-28
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These various flocculation methods that force microalgae to gather into clusters will generally cause a certain degree of damage to microalgae, making them no longer a natural way of planktonic survival and aggregate into clusters. Generally, it is necessary to add certain substances or consume a certain amount of energy. How much will have a certain impact on the quality of microalgae, and requires a certain economic cost, there is no perfect way

Method used

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  • An in-situ new energy-driven plankton collection device
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  • An in-situ new energy-driven plankton collection device

Examples

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Embodiment 1

[0026] Implementation example 1, using the device of the present invention to collect and utilize rotifers.

[0027] Rotifer is a common and important bait organism in aquaculture and fishery. It is often in short supply, and there are many difficulties in cultivating and collecting. However, under suitable conditions in large areas of natural waters, rotifers with high density can naturally flourish. Suppose the average body length of rotifers is a micron, and its average maximum swimming speed is b cm / s. Select the sieve silk with mesh aperture below 0.8a micron to make the collection bag net of rotifers, install it on the device of the present invention, adjust the power of the suction axial flow pump, make the water flow velocity of suction more than 1.2b cm / s , arrange the above-mentioned adjusted array of rotifer collection devices in ponds or other waters where rotifers flourish. To maintain the vigor and freshness of the rotifers, the collection bag nets of the rotife...

Embodiment 2

[0028] Implementation example 2, using the design of the present invention to prevent and treat harmful algal blooms or red tides in water bodies.

[0029] Assume that the common species of harmful algal blooms or red tide outbreaks in a certain eutrophic waters is a certain type of microalgae, whose average size is c microns, and whose average maximum moving speed is d cm / s. Select mesh aperture to be that the sieve silk below 0.8c micron is made as microalgae collection bag net, is installed on the device of the present invention, adjusts the power of suction axial flow pump, makes the water velocity of suction more than 1.2d centimeters per second, The previously adjusted array of microalgae collection devices is placed in the eutrophic waters. If the fulminant microalgae has no utilization value, it can be reminded according to the flow rate sensor in the axial flow pump. The device immediately sends out an alarm prompt, and the new microalgae collection bag net is replac...

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Abstract

The invention provides an in-situ plankton collection device driven by new energy, including a solar photovoltaic cell and wind power generation system, a buoyancy support system, a power supply and control system, a plankton suction and collection system, and an anchoring system. The device has a lower center of gravity and floats vertically in the water body like a tumbler. The height of the power generation system from the water surface is greater than 1.2 times the highest wave height. The anchoring system can resist the wind and waves that occur once in 10 years. The plankton suction and collection system is composed of a suction axial flow pump and a collection bag net. There is a radioactive elastic buckle behind the annular groove at the outlet end of the axial flow pump, which is easy to install and disassemble. The mesh aperture of the bag-shaped plankton collection bag net is less than 0.8 times the average body length of the target plankton, and can be used on both sides. This patent can be used with multiple devices at the same time, and the array type is arranged in the target water area, which is used for the collection and utilization of plankton, and can also be used for the treatment and restoration of the water area environment, and has a good application prospect.

Description

technical field [0001] The invention belongs to the field of engineering equipment and technology for cultivating and harvesting aquatic microorganisms, and relates to an in-situ plankton collecting device driven by new energy. Background technique [0002] There are many kinds of aquatic micro organisms, generally including phytoplankton and zooplankton, which provide the most important primary and secondary productivity of aquatic ecosystems. For example, aquatic phytoplankton and zooplankton are equivalent to grassland and cattle and sheep in terrestrial ecosystems, providing the food basis for subsequent carnivorous animals, such as various fish, shrimp, crab shells and other economically valuable species. Aquatic animals all depend on plankton to survive. Then, it is easy to understand that if the aquatic plankton is directly harvested and utilized instead of indirectly utilizing aquatic plankton by catching fish, shrimp, crab and shellfish, the efficiency of resource ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01D44/00A01K61/20C02F1/40
CPCA01D44/00A01K61/20C02F1/40C02F2303/20A01K69/04H02S20/20Y02E10/50Y02E70/30Y02P60/60H02S10/12H02S10/20H02S10/40
Inventor 游奎陈泽文钟喆马彩华张芳朱玲马洪钢刘心田徐华韩方鑫王绍军
Owner DALIAN UNIV OF TECH