The spray tower combines the advantages of similar purification towers at home and abroad. At the same time, the packing layer and tower body are optimized in terms of technical parameters. The purification efficiency can reach 98%. The purified exhaust gas is much lower than the national emission standard, which is the current ideal at home and abroad. The exhaust gas spray equipment.

The working principle of spray tower can be divided into three forms: forward flow, counter flow and cross flow. One of the most commonly used is countercurrent spraying: the acidic or alkaline acid mist exhaust gas is introduced into the purification tower through the air pipe, passes through the packing layer, and the exhaust gas is sent from the bottom of the tower. After being distributed by the gas distribution device, it becomes the same as the sodium hydroxide absorption liquid. The countercurrent continuously passes through the gaps in the packing layer. On the surface of the packing, the gas-liquid two-phase contact fully absorbs the neutralization reaction to absorb the acidic or alkaline dirt contained in the exhaust gas. After the acid mist exhaust gas is purified, the clean gas is discharged from the fan into the atmosphere after being dehydrated and defogged by the defogging plate. The absorption liquid is sprayed down at the top of the tower after being pressurized by a water pump at the bottom of the tower, and then returned to the bottom of the tower for recycling.

The exhaust gas is collected in advance through the gas collecting hood, and the exhaust gas is continuously transported to the purification equipment under the action of the fan, and then the exhaust gas is transported to the spray tower of the system through the conveying effect of the ventilation pipe, and the gas passes through the spray tower. In the spray washing process of acid washing liquid (alkaline washing liquid), the gas components contained in the exhaust gas that are prone to produce malodors are fully contacted and mixed with acid (alkaline) water mist and neutralized to form a better gas. Liquid two intersect and. The sprayed water mist then forms a treatment layer with a larger porous contact surface in the packing layer in the scrubber to further treat the organic waste gas.

After passing through the packing layer, the water mist is returned to the water tank at the bottom of the washing tower for recycling. A set of automatic mixing and dosing system is installed in addition to the washing. Automatically inject the syrup to keep the neutralization liquid in a certain acidic (alkaline) state, and will not cause the waste gas to be uneven or missed due to the deviation of the neutralization liquid.