Microbial battery synchronous nitrogen and phosphorus removal system for sewage treatment

The utility model discloses a synchronous nitrogen and phosphorus removal system of a microbial battery for sewage treatment. The synchronous nitrogen and phosphorus removal system comprises a double-chamber microbial battery, a single-chamber microbial battery, a first crystallization tank and a second crystallization tank, the double-chamber microbial battery comprises a double-chamber battery chamber, a resistor for the double-chamber battery, an anode for the double-chamber battery, a cathode for the double-chamber battery and a cation exchange membrane for the double-chamber battery; the single-chamber microbial battery comprises a single-chamber battery chamber, a resistor for the single-chamber battery, an anode for the single-chamber battery and a cathode for the single-chamber battery; and the second crystallization tank, the double-chamber battery chamber and the single-chamber battery chamber are communicated with the first crystallization tank. The system can simultaneously remove ammonia nitrogen