Rapid granular sludge cultivation device and method for continuous flow anaerobic ammonium oxidation process

A rapid granular sludge cultivation device for continuous flow anaerobic ammonium oxidation process, comprising:

• a raw water tank (1), a chemical dissolving tank (2), a biological reaction tank (3) and a secondary sedimentation tank (4);
• the raw water tank (1) is an open box, and the raw water tank (1) is provided with a first water inlet pipe (1.1), an overflow pipe (1.5) and a first vent pipe (1.2);
• the raw water tank (1) is connected to a water inlet pipeline valve (1.6) of the biological reaction tank (3) through a water outlet pump (1.3);
• the chemical dissolving tank (2) is a semi-closed tank, and the chemical dissolving tank (2) is provided with a second water inlet pipe (2.1), a second vent pipe (2.2), and a stirrer (2.3);
• the chemical dissolving tank (2) is connected to the water inlet pipeline valve (1.6) of the biological reaction tank (3) through a dosing pump (2.4);
• the biological reaction tank (3) comprises a tank body, which is provided with a plurality of compartments in sequence, each compartment is provided with a built-in sedimentation three-phase separation tank (3.8), a blank filler (3.3) and an aerator (3.2) sequentially from top to bottom, a lower end of the compartment at a tail end is connected to the compartment at a head end, and an upper end of the compartment at the tail end is connected to the secondary sedimentation tank through a water inlet pipe of the secondary sedimentation tank (4.1);
• the secondary sedimentation tank (4) is a vertical flow sedimentation tank, an upper end of the secondary sedimentation tank (4) is provided with a water outlet pipe of the secondary sedimentation tank (4.2), the secondary sedimentation tank (4) is connected to the compartment at the head end of the biological reaction tank (3) through a sludge pump (3.4) and a recirculation sludge pipe (4.4), and a residual sludge pipe (4.3) is provided at a bottom of the secondary sedimentation tank (4);
• an online data monitoring device (3.7), the online data monitoring device (3.7) comprises an online detector for dissolved oxygen concentration, an online detector for ammonia nitrogen concentration, and an online detector for pH;
• a temperature control device (3.6), the temperature control device (3.6) comprises a heating rod, a temperature sensor and a temperature regulator;
• a controller, the controller is a PLC module and is connected to the aerator, the temperature control device (3.6) and the online data monitoring device (3.7) through a wireless transceiver and a communication line.