Ammonia nitrogen absorption tower

Work principle

Ammonia nitrogen absorption tower of two phase flow packing absorption tower, reverse general use of the twin towers, in order to improve the operation motif of ammonia concentration recycle.        Ammonia from tower body below inlet to cut into the tower in the ventilator, purify the dynamic function of full of inlet period, quickly, and then evenly through space for all flow up to the first level padding absorption section. In the surface of the packing, gas phase in the water or liquid ammonia and produces chemical reaction, sulfuric acid reacts NH3-OH, (NH4) 2 SO4, and into the lower the liquid trough. Not completely absorption of ammonia gas continue to rise into the first level spray section. In the spray paragraph absorbing liquid are the nozzle of cloth from the jet, form numerous small droplets, and fully mixing gas contact, continue to produce chemical reaction, then ammonia rise to level 2 packing section, spray sections and the first level similar absorption process. 2 and the first level, spray nozzle density different pressure, absorb different acid gas concentration range is also different. In the spray section and packing period of two phase contact of the process is also given and heat transfer process quality. Through the control tower velocity and retention time guarantee the process fully and stability. The most at the top is the tower body except for the fog in the clip, gas absorbing liquid droplets cleared down here, with processing from the clean air purification tower top exhaust pipe is vented to atmosphere. NH3-OH,(NH4)2SO4  absorbed by water or sulfuric acid ,can be used forBoiler desulfurization and agricultural fertilizer.

Performance characteristics

(1) high purifying rate ammonia nitrogen absorbed by level 2 reverse recovery tower spray, packing high spicific surface, experimental study of determined by gas and liquid than to ensure the stable performance, the absorption efficiency of ammonia could reach 85% ~ 95%.

(2) equipment resistance in gas and liquid low assure enough contact area basis, ammonia nitrogen absorbed recovery tower the aerodynamic characteristics of the best choose packing varieties and structure form, make equipment in air resistance rated under no more than 40 mm water column, is the domestic various packing absorption tower of the lowest resistance. This is used with corrosion resistant to low pressure ventilation greatly.

(3) cover an area of an area small ammonia nitrogen absorbed recovery tower will tower body, absorb liquid trough, circulating pump, absorbing liquid pipe system combined into a complete set of equipment, the structure is compact, easy installation and operation management.

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Ammonia and nitrogen absorption tower with good quality