Negative pressure deammonia tower Negative pressure ammonia column Plastic baffle defogger Metal baffle defogger Tubular gas distributor Stainless steel nozzle type liquid distributor Plastic tube distributor Plastic trough type liquid distributor Tetrafluorin distributor Trough type liquid distributor Trapezoidal liquid distributor Dephenyl column vertical sieve plate column elution benzene section tower equipment tower inner parts Raw ammonia filter Desulphurization tower, benzene washing tower, benzene decanting tower, horizontal tube primary cooler Metallic stainless steel bubble cover Stainless steel inclined plate Ammonia filter high efficiency filtration equipment tower Plate filter Stainless steel baffle defogger Liquid collector in tower Metal bubble tray air stripping TOWER F1 valve tray Hump support plate Liquid collection redistributor PP plastic support grid polypropylene grid pressure grid support packing CPVC plastic bubble cover tray with liquid drop pipe receiving liquid tray Tetrafluoroethylene PTFE liquid distributor 304 stainless steel trough plate type liquid distributor tower inside the production of trough plate gas liquid distributor Customized PVC Plastic Trough Slot Liquid Distributor Stainless steel screen defoamer Clamp Floating valve tray Inner parts floating valve tray stainless steel tray tray Screen defoamer Float valve tray Desulfurizing tower/Regeneration Tower Evaporation plant Ammonia nitrogen separator Ammonia filter Metal Wire mesh Demister mesh mist eliminator Plastic Mist Eliminator Metal Mist Eliminator liquid redistributor Liquid distributor grille bubble cap