Novel ecological floating island for agricultural non-point source pollution prevention and control

Abstract

The invention discloses a novel ecological floating island for agricultural non-point source pollution prevention and control, and belongs to the technical field of agricultural non-point source pollution prevention and control. Oxygen generated by photosynthesis of plants is adsorbed by utilizing the adsorption capacity of the carbon nanotubes to the oxygen, an electromagnet is used for controlling a magnet block to move up and down to convey the oxygen into a water body, the oxygen is separated from a carbon nano tube by utilizing the pressure intensity generated when the magnet block movesdownwards to compress the gas, oxygen content in the water body is increased, the self-purification capability of the water body is improved, and a certain help is provided for restraining the eutrophication phenomenon. Microorganisms capable of degrading blue-green algae are cultured through a monitoring piece, when a large amount of blue-green algae begins to appear, the monitoring piece can float up to the water surface along with the large consumption of microorganisms and the reduction of the mass of the monitoring piece so as to send an early warning signal to the outside, and response measures can be conveniently taken in time. Compared with the prior art, the purification effect of the ecological floating island can be further improved, and meanwhile the early warning function is achieved.

Description

technical field [0001] The invention relates to the technical field of prevention and control of agricultural non-point source pollution, and more specifically relates to a new type of ecological floating island for the prevention and control of agricultural non-point source pollution. Background technique [0002] Agricultural non-point source pollution refers to dissolved or solid pollutants in rural life and agricultural production activities, such as organic or inorganic substances such as soil particles, nitrogen, phosphorus, pesticide heavy metals, rural poultry manure and domestic garbage in farmland , from a non-specific area, under the action of precipitation and runoff erosion, through farmland surface runoff, farmland drainage and underground seepage, a large amount of pollutants enter the receiving water body (rivers, lakes, reservoirs, bays) caused by pollution. [0003] The most direct manifestation of water pollution caused by agricultural pollution is the app...

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Problems solved by technology

[0004] However, due to the relatively small area of ​​the existing ecological floating islands, the ability to process water is limited, and the ability of plant roots to absorb eutrophication substances is also limited. Therefore, when a large amount of eutrophication substances appear in the water, the ecological floating islands cannot timely Absorption, and can not send early warning signals to the outside world, resulting in eutrophication of water bodies can still occur

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