A2O and SBR hybrid type Wastewater treatment system

摘要

The present invention relates to an A2O and SBR hybrid wastewater treatment system, and more specifically, to improve wastewater treatment efficiency by effectively reconfiguring the configuration having a stirring function in the first and second reaction tanks in the main treatment process, and in the pretreatment process It relates to an A2O and SBR hybrid wastewater treatment system that removes contaminants and improves the sterilization effect by configuring a post-treatment process using a UV lamp to sterilize the treated water after the main treatment process. That is, the present invention relates to a pretreatment process in which wastewater is first introduced and a screen for removing contaminants is installed, a main treatment process in which phosphorus and nitrogen are removed and sludge is discharged by receiving wastewater from the pretreatment process, and discharge from the main treatment process It consists of a post-treatment process in which the treated water to be treated is stored in a UV treatment water tank and then subjected to UV sterilization through a UV disinfection device, wherein the main treatment process is; An aeration tank that continuously aerates wastewater in an aerobic state by means of an aeration device, an immersion-type concentration tank that is installed in the aeration tank and continuously sediments and concentrates sewage sludge overflowing inside the aeration tank in anoxic condition and then discharges it with a pump; A dephosphorization tank for overflowing the phosphorus-released wastewater by stirring in an anaerobic state into the discharge hopper part installed on the upper part, a first wall is formed on one side of the aeration tank in the width direction, and a second wall is formed on one side of the first wall in the longitudinal direction A wall is formed and the first and second reaction tanks are formed on both sides based on the second wall, and a flow pipe connected to the discharge hopper of the dephosphorization tank and distributed to the lower portions of the first and second reaction tanks, respectively; , A micro-bubble stirrer is installed at the bottom of the first and second reaction tanks to generate micro-bubbles and a rotational water flow to achieve stirring.