Dual supply sewage treatment plant

The utility model discloses a dual supply sewage treatment plant, including the sewage treatment consumer, the sewage treatment consumer is connected with switching power supply's output electricity, and this switching power supply's input electricity is connected with each other and has connect battery and alternating current power supply, and the battery still is connected with solar energy component and alternating current power supply electricity. It has the rectifier to establish ties between switching power supply and the alternating current power supply. Switching power supply is direct current switching power supply. This sewage treatment plant's dual power supply system implementation to the continual and steady power supply of consumer, guaranteed high-efficient, the stable power supply of sewage treatment plant, make high-efficient, the stable work of sewage treatment plant.