Turbine hydrodynamic cavitation generator

Abstract

The invention provides a turbine hydrodynamic cavitation generator, which comprises a plurality of stages of cavitation units connected in series, and each stage of cavitation unit comprises a shell,a static blade grid and a turbine rotor; two symmetrical static blade grids are installed in the shell, one static blade grid is close to an inlet of the shell, and the other static blade grid is close to an outlet of the shell. A rotatable turbine rotor is installed between the two symmetrical static blade grids, and the two ends of the turbine rotor are supported in the two symmetrical static blade grids respectively; the thicknesses of the stationary blade grid blades close to the inlet of the shell are gradually increased in the flow direction, and the area of an overflowing section between every two adjacent blades is kept unchanged in the radial direction; the thicknesses of the blades, close to the outlet of the shell, of the static blade grid are gradually reduced in the flow direction, and the area of the overflowing section between every two adjacent blades is kept unchanged in the radial direction. Two-stage cavitation can be achieved through a static, dynamic and static arrangement mode, and the cavitation area is effectively increased.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to a turbine hydraulic cavitation generator. Background technique [0002] With the continuous development of industry and agriculture and the rapid improvement of people's living standards, the problem of water pollution has become increasingly prominent, seriously restricting the sustainable development of the economy, and posing a threat to human drinking water health and biological living environment. Sewage treatment is imminent and has become a problem that must be faced and solved together. Traditional sewage treatment methods include physical sedimentation, biological absorption and decomposition, and chemical reaction methods. However, they all have corresponding disadvantages. For example, the physical sedimentation method generally has high treatment cost, long action time, and insignificant effect; the biological method may destroy the local biological balance, and has c...

AI Technical Summary

Problems solved by technology

Existing traditional cavitation generators include orifice plates, venturi tubes, etc. They have simple structures and low manufacturing and operating costs, but they also have shortcomings such as small cavitation areas, low cavitation intensity, and low frequency of cavitation shedding and collapse. Disadvantages lead to insufficient cavitation reaction and unsatisfactory cavitation efficiency

However, many emerging rotating cavitation generators also have problems such as complex structures and high production and operation costs.

In addition, the rotating cavitation generator needs to be driven by a high-speed motor, which increases energy consumption and reduces cavitation efficiency

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