Fluidized bed bio-membrane reactor based on composite desulfurization bacteria

Abstract

The invention provides a fluidized bed bio-membrane reactor based on composite desulfurized bacteria, which comprises a reaction tank, a bio-membrane carrier and an aeration mechanism, the composite desulfurized bacteria are arranged on the bio-membrane carrier, and the composite desulfurized bacteria comprise thiobacillus, pseudomonas and acinetobacter. By adopting the above scheme, a good removal effect on sulfides in water is achieved, rapid establishment of desulfurization flora of a sewage system is promoted, and the effluent quality is improved. The aeration mechanism comprises a movingdevice and an aeration fishing device; the aeration fishing device is connected with the moving device; the aeration fishing device comprises a first motor, a hollow rotating shaft and an aeration impeller; the first motor is a positive and negative rotation motor;the first motor is in transmission connection with the hollow rotating shaft, a cavity is formed in the aeration impeller, the cavity is communicated with the hollow of the hollow rotating shaft, the aeration impeller comprises a side body and a bag body, the side end of the side body is connected with the hollow rotating shaft, thebottom end of the side body is connected with the bag body, and aeration holes are formed in the bag body.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a fluidized bed biofilm reactor based on composite desulfurization bacteria. Background technique [0002] At present, there are two main types of sewage treatment methods: activated sludge method and biofilm method: the activated sludge method has been developed in Britain since the early 20th century. The sewage treatment effect has gradually become a relatively mature process recognized by everyone; the biofilm method is a process that uses organisms attached to the filler to purify the water body, and it has also been rapidly developed and improved in recent years. The biofilm method makes up for many shortcomings of the activated sludge method, such as its good stability, strong ability to withstand the impact of organic load and hydraulic load, no sludge bulking, no reflux, high removal rate of organic matter, and the volume of the reactor Small size, small footpr...

AI Technical Summary

Problems solved by technology

The commonly used aeration devices are mostly multiple air intake pipes arranged at the bottom, and oxygen is introduced through the holes on the air intake pipes, so that the oxygen content at the bottom is high, and the oxygen content at the top is low, resulting in a difference in oxygen concentration.

In addition, the biofilm carrier is mostly isolated at the bottom of the reaction tank by fences, which is inconvenient to salvage for inspection, maintenance and replacement

Images