A photobiological sewage purification device

Abstract

The invention discloses a photo-biological sewage purification device and belongs to the technical field of micro-algae culture. The photo-biological sewage purification device comprises a suspensionbase, a shaft frame, a light source device and a fixing device, wherein the suspension base can be suspended on water, a culture solution chamber for holding a culture solution inoculated with microalgae is formed inside the suspension base, a turnover cover is arranged at the upper end of the culture solution chamber, and a water inlet with a valve is formed in the bottom of the culture solutionchamber; the shaft frame is vertically mounted in the middle of the upper end surface of the suspension base, a plurality of umbrella-shaped culture units are light guide plates forming a umbrella shape and are sequentially arranged on the shaft frame from big to small according to a height increasing shape, and a horizontal liquid storage groove is formed in the top of the shaft frame and is connected with a submerged pump positioned in the culture solution chamber through a liquid inlet pipe; the light source device is an LED lamp and is arranged along the shaft frame; the fixing device comprises a plurality of fixing cables, and the fixing cables are used for fixing the suspension base in the water. According to the photo-biological sewage purification device disclosed by the invention,microalgae culture is combined with microalgae domestication, sewage treatment, biological carbon fixation and microalgae recovery, so that the integration and the automation of the microalgae culture are realized.

Description

technical field [0001] The invention relates to the technical field of microalgae cultivation, in particular to a photobiological sewage purification device. Background technique [0002] Microalgae are photoautotrophic organisms that are widely distributed in fresh water, oceans and various soils on the earth. They have the characteristics of rapid growth, high photosynthetic efficiency, strong adaptability, and asexual reproduction. Microalgae can use light energy, CO2, organic carbon in wastewater, ammonia nitrogen, organic phosphorus and other substances as carbon sources, nitrogen sources and phosphorus sources, and absorb heavy metals to purify wastewater; they can also absorb CO2 and other gases in the atmosphere as their own metabolic carbon source, producing O2 to fix CO2 to purify the air; at the same time, microalgae contain a variety of high value-added bioactive substances, such as polyunsaturated fatty acids, algae polysaccharides, phycocyanin, astaxanthin, car...

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Problems solved by technology

[0007] At present, sewage purification devices are used to collect sewage and then purify it. However, many rivers are also polluted by sewage, and it is unrealistic to collect and treat it uniformly. Therefore, it is necessary to propose sewage treatment equipment that can be applied to the water surface of rivers and lakes. A reactor with automatic adjustment of light intensity and enhanced biological carbon fixation efficiency, so as to purify air and sewage while harvesting high value-added algae biomass

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