Suspended underwater plug flow aeration machine

Abstract

The invention discloses a suspended underwater plug flow aeration machine. The machine comprises a suspension frame, a motor located on the suspension frame and a roots blower; the power output terminal of a shaft is connected with a transmission shaft extending downward, the lower end of the transmission shaft is coupled with a steering and transmission box, the power output terminal of the steering and transmission box is provided with a blade seat, a mechanical sealing is arranged between the blade seat and the steering and transmission box; an air exhaust opening of the roots blower is communicated with a ring cavity formed by the encirclement of an upper air pipe, stainless steel machine frame square pipe vertically arranged on the suspension frame, a lower air pipe, the mechanical sealing and the power output shaft of the transmission box which are all connected together in an sequential order. The ring cavity is communicated with blade seat inner cavity through a ventilation hole located on a side wall of the blade seat. A plurality of blades are mounted on the circumferential wall of the blade seat through joint flanges.

Description

technical field [0001] The invention belongs to the field of urban and industrial sewage treatment equipment, and in particular relates to a suspended underwater push-flow aerator. Background technique [0002] The process adopted by most sewage treatment plants is the activated sludge (microbial digestion) method. The mixing of activated sludge and sewage and the supply of oxygen to microorganisms are the most important process conditions. Therefore, push flow and aeration equipment are sewage One of the most important process equipment in the treatment plant. [0003] There are two types of conventional plug flow aeration devices. One type is the brick-disk plug-flow aerator or the inverted umbrella-type plug-flow aerator represented by the Aubert oxidation ditch process, commonly known as the surface aerator. Its working principle is to use rotating discs or blades to throw water into contact with air to achieve the purpose of oxygenation, and at the same time play the ...

AI Technical Summary

Problems solved by technology

The disadvantage is that the aerator system at the bottom of the pool has a large investment, and the long-term operation of the rubber microporous membrane will also cause blockage and rupture, so that the sewage treatment cannot operate normally. Usually, the pool needs to be updated and maintained every few years. This causes loss and stress to both the business and the environment

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