Rotational flow gas-liquid uniform distribution type sewage treatment device, sewage treatment system and sewage treatment method

Abstract

The invention relates to a rotational flow gas-liquid uniform distribution type sewage treatment device, a sewage treatment system and a sewage treatment method. The device comprises a tower body, a gas-liquid inlet is formed in the bottom of the tower body, a sewage outlet and a tail gas outlet are formed in the top of the tower body, and a bearing pore plate is arranged in the tower body and divides the interior of the tower body into an upper catalytic oxidation chamber and a lower gas-liquid mixing chamber; a plurality of re-distribution holes are formed in the bearing pore plate; a rotational flow gas-liquid uniform distribution mechanism is mounted in the lower gas-liquid mixing chamber; flow baffles are arranged in the upper catalytic oxidation chamber, one side of each flow baffle is provided with a folded edge which is bent downwards, every two adjacent flow baffles are arranged in a staggered mode, the circumferential side walls of the flow baffles are tightly attached to the inner wall of the tower body, a liquid phase ascending channel is arranged between the folded edges and the inner wall of the tower body, and a plurality of air holes are formed in the upper surfaces of the flow baffles at intervals in the circumferential direction; and the upper catalytic oxidation chamber is also filled with a catalyst. Through the design of the rotational flow gas-liquid uniform distribution type sewage treatment device, the technical problems of low ozone catalytic oxidation efficiency and high operation cost in the prior art are solved.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a swirl gas-liquid evenly distributed sewage treatment device, a sewage treatment system and a sewage treatment method. Background technique [0002] In recent years, with the rapid development of cities and industries, the discharge of municipal and industrial sewage has increased day by day, which has brought enormous pressure to the entire sewage treatment system. In order to improve the environmental water quality and reduce the pollution load of the water environment, the relevant laws promulgated by the state put forward higher requirements on the sewage discharge standards, and the traditional sewage treatment technology in the past has been difficult to meet the requirements. On this basis, emerging water treatment technologies such as advanced oxidation have been developed rapidly. As one of the advanced oxidation technologies, ozone (catalytic) oxidation is wi...

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Problems solved by technology

[0007] The object of the present invention is to provide a kind of swirl gas-liquid evenly distributed sewage treatment device, sewage treatment system and sewage treatment method, through the design of swirl gas-liquid uniformly distributed sewage treatment device to solve the problem of ozone catalytic oxidation existing in the prior art Technical issues of low efficiency and high operating costs

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