Integrated monitoring device suitable for copper, zinc and total nitrogen in aquaculture wastewater

The invention discloses an integrated monitoring device suitable for copper, zinc and total nitrogen in aquaculture wastewater, which comprises a sample introduction unit, a uniform mixing unit, a metering unit, a digestion module, an electrolytic tank, an electrochemical workstation module, a data processing device and a control module, and the sample introduction unit, the uniform mixing unit, the metering unit, the digestion module and the electrolytic tank are sequentially communicated through pipelines; a working electrode, a reference electrode and a counter electrode are arranged in the electrolytic tank and are connected with the electrochemical workstation module through leads; and the electrochemical workstation module is in signal connection with the data processing device. The device utilizes an electrochemical voltammetry method to rapidly monitor copper, zinc and total nitrogen, and can realize simultaneous monitoring of copper, zinc and total nitrogen in aquaculture wastewater. 本发明公开了一种适用于养殖废水中