Composite deamination tower for stripping deamination

The composite deamination tower comprises a tower body, the tower body comprises a tower kettle section, a steam stripping section and a rectifying section which are communicated from bottom to top, the bottom of the tower kettle section is provided with a deaminated liquid output pipe, and the top of the tower kettle section is provided with a water vapor input pipe; the steam stripping section is provided with an ammonia-nitrogen-containing wastewater input pipe and a plurality of T-shaped guide jet float valve trays arranged below the ammonia-nitrogen-containing wastewater input pipe, the rectifying section comprises structured packing, a liquid distributor, an ammonia water return pipe and an ammonia steam output pipe which are arranged from bottom to top, and the ammonia water return pipe is connected with the input end of the liquid distributor; and the output end of the liquid distributor is connected with the structured packing. According to the physical and chemical characteristics of different fluid