Biological monitoring and alarming system for water intake of power plant

The invention relates to the technical field of power plant cold source safety, in particular to a power plant water intake biological monitoring and alarming system which comprises a data acquisition module used for detecting the turbidity of water quality and the chlorophyll content in the water quality and monitoring the water flow speed and the water pressure values of the two sides of a protective net; the protection module comprises a protection net, and a plurality of filtering holes with adjustable hole diameters are formed in the protection net; the driving module comprises a water pumping motor; the central control module is used for judging whether the content of microorganisms in the water at the water intake of the power plant meets the standard or not, and under the condition that the content of microorganisms in the water does not meet the preset standard, the central control module adjusts the aperture of the protective net or adjusts the operation power of the water pumping motor to a corresp