Waste liquid treatment device for production of fatty acid rectification system

The utility model provides a waste liquid treatment device for production of a fatty acid rectification system, which comprises an oil-water separation tank with a waste liquid inlet at the bottom section of one side and a waste liquid outlet at the other side; the first electrolytic flotation machine is communicated with the waste liquid outlet through a first waste liquid conveying pipe; the second electrolytic flotation machine is communicated with the first electrolytic flotation machine through a second waste liquid conveying pipe; the waste liquid recovery pool is communicated with the oil-water separation tank and the second electrolytic flotation machine through a first waste liquid recovery pipe and a second waste liquid recovery pipe respectively; the gas recovery chamber is respectively communicated with the first electrolytic flotation machine and the second electrolytic flotation machine through a first gas recovery pipe and a second gas recovery pipe; wherein; and a bottom plate lifting mechanis