Spray tower can also be called acid fog neutralization tower, desulfurization tower, washing tower, is a common equipment in gas-liquid reaction system. Exhaust gas enters into the purification tower via air ducts, and through the packing layer, the exhaust gas and sodium hydroxide or sulfuric acid absorption liquid are fully contacted, absorbed and neutralized in gas-liquid two-phase reaction. After purification, the exhaust gas will be discharged into the atmosphere by the fan after being dehydrated and defogged by the defogging plate. The absorption liquid is pressurized by the pump at the bottom of the tower and sprayed down at the top of the tower, and finally returned to the bottom of the tower for recycling. Exhaust gas and liquid reversely contact, and achieve purification by washing, dust removal, cooling and other functions, especially suitable for the treatment of high temperature, high humidity, flammable, explosive dust gas. It has the characteristics of high purification efficiency, compact structure, small footprint, corrosion resistance, good performance, light weight, low noise and so on. At present, it is widely used in chemical industry, electronics, hospitals, research centers and other places.
