Hydrodynamic cavitation device capable of efficiently removing alga spores

Abstract

The invention relates to a hydrodynamic cavitation device capable of efficiently removing alga spores. The hydrodynamic cavitation device comprises a stator, a rotary shaft and a cavitation plate andis characterized in that a cavitation cavity is formed in the stator, the rotary shaft is mounted in the stator, one end of the rotary shaft extends out of the stator and is connected with a rotatingmechanism, the cavitation plate is fixedly arranged on the rotary shaft and located in the cavitation cavity, blind holes are evenly distributed in the inner wall and outer wall of the cavitation cavity, and a water inlet pipe and a water outlet pipe are arranged on the stator. An alga spore treatment system using the cavitation device comprises a first single suction pump, a stirrer, a second single suction pump and a settling tank which are sequentially connected. The hydrodynamic cavitation device has the advantages that cavitation treatment is performed on water containing algae in a rotating manner, the blind holes are arranged in the stator cavitation cavity and the circumferential face of the cavitation plate to increase the number of generated cavitation bubbles, and the hydrodynamic cavitation device is simple in mechanical structure, good in alga spore treatment effect, high in efficiency and capable of avoiding the use of other chemical reagents to avoid environment pollution.

Description

technical field [0001] The invention relates to a hydraulic cavitator for removing algae spores, belonging to the technical field of algae removal. Background technique [0002] The purification ability of the water body from the reservoir is not good. When nutrients such as nitrogen and phosphorus enter, it is difficult to discharge, so it is polluted by algae. With the continuous reproduction of algae, it has caused great harm to the safety of drinking water for residents. Impact. Therefore, how to quickly and efficiently remove algae spores in water is an urgent problem to be solved. [0003] There are three effects of hydrodynamic cavitation: mechanical effect, thermal effect and chemical effect. The collapse of the cavitation bubble creates a powerful shock wave, a mechanical effect that destroys the cell walls of the algae. The local hot spots of hydrodynamic cavitation bubbles are very high, which can lead to thermal inactivation of cells, and can also produce hydr...

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Problems solved by technology

[0004] However, the above-mentioned method for removing cyanobacteria adopts a general-purpose micro-bubble hydraulic cavitation generating device, which mainly generates cavitation bubbles through water pumps and micro-bubble nozzles. The number and efficiency of cavitation bubbles are relatively low, and need to be further improved.

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