Anaerobic flow biofilm reactor

Abstract

The invention discloses an anaerobic flow biofilm reactor, which relates to the field of sewage treatment. The main points of the technical solution are: a cylindrical reaction box, which includes a water inlet area, a reaction area, a sedimentation area and a water outlet area , a three-phase separator is installed in the water outlet area, and the three-phase separator is inserted into the sedimentation area to set up. The reaction area is equipped with a filler carrier, and the bottom of the reaction tank is connected to a water inlet pipe. A drive assembly is provided; one end of the water inlet pipe located in the reaction tank is evenly connected with a number of water outlet rods along the circumference, and each water outlet rod is inclined upward in a direction away from the axis of the water inlet pipe; a baffle ring is provided near the reaction area near the sedimentation area , the end face of the baffle ring close to the water inlet area is arranged obliquely downward towards the axis close to the reaction box. The water outlet rod and the baffle ring are set, so that the mixing effect of the filler carrier and the sewage is also better, and the pollutants in the sewage are degraded more thoroughly.

Description

technical field [0001] The invention relates to the field of sewage treatment, more specifically, it relates to an anaerobic flow biofilm reactor. Background technique [0002] The flow biofilm reactor is an improved new composite biofilm reactor developed on the basis of fixed bed reactors, fluidized bed reactors and biofilters. It overcomes the need for regular backwashing in fixed bed reactors, the need to fluidize the carrier in fluidized bed reactors, and the complex operations of cleaning filter materials and replacing aerators in submerged biofilters, and retains the traditional biofilm It has the characteristics of anti-shock load, less sludge output and long sludge age. The main principle is to use the sewage to continuously flow through the reactor packing carrier to form a biofilm on the carrier, and the microorganisms multiply and grow on the biofilm. The biofilm grows on the smaller carrier unit, and the carrier moves freely with the water flow in the reactor ...

AI Technical Summary

Problems solved by technology

[0004] When the above-mentioned reactor is used for water treatment, the sewage enters from the original water supply pipe at the bottom, and the sewage enters the UASB reactor and then flows upward. However, during this process, the sewage is mixed by flowing through the solid fiber packing Pall ring, which may easily cause the sewage to be mixed with the carrier. The mixing effect is not good, and it is easy to affect the degradation of pollutants in sewage by microorganisms, which is troublesome and needs to be improved

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