What role does spray tower play in industrial waste gas treatment equipment

Spray tower, also known as spray purification tower spray deodorization equipment, is commonly used in the exhaust gas treatment project cost-effective exhaust gas purification equipment, generally there are two types of vertical spray tower horizontal spray tower. Spray tower can deal with purification of water-soluble toxic harmful gases such as nitrogen oxides, hydrogen chloride, hydrogen fluoride, sulfuric acid mist, chromic acid mist, cyanohydrogen cyanide gas, etc. It is also suitable for deodorization purification of exhaust gases of ammonia, hydrogen sulfide, phenol gas, formaldehyde, methanol, amines other malodorous substances. Ding Sheng spray tower is widely used in chemical, electroplating, hardware, aluminum, electrical appliances, medicine, printing dyeing, machining other industries. As the core purification equipment in the 1st purification stage of waste gas treatment, spray tower is the key equipment in the whole waste gas purification project. Below to understand the spray tower in the industrial waste gas treatment equipment in the application principle, characteristics role.

First, the role of spray tower in industrial waste gas treatment equipment

There are many types of exhaust gas, the most commonly used spray tower for industrial exhaust gas treatment is spraying exhaust gas. Because of the uniqueness of the spraying exhaust, the organic gas in the exhaust the volatilization of solvents thinners, organic solvents will be attached with the paint on the surface of the sprayed material, in the spraying curing process will be all released to form organic exhaust. The use of water spraying method of treatment will be sprayed onto the exhaust gas, the exhaust gas in the water-soluble large particles in the composition of the settlement down, to achieve part of the pollutants the purpose of clean gas separation.

Waste gas treatment equipment in the spray tower in the absorption tower is the core of the waste gas absorption. In the absorption process, the waste gas the lower part of the absorption tower into the spray area atomized spray circulating absorbent countercurrent contact chemical reaction, the waste gas in the toxic, harmful waste gas is absorbed, while the dust in the waste gas can also be removed. The gas flows upward through the even wind plate through three layers of packing layer respectively, each layer of nozzle sprayed neutralization liquid contact reaction, gas-liquid for full neutralization absorption, through the two baffle liquid device, after a level of purification of the gas then through the carbon fiber adsorption, the second level of purification of the gas the top of the tower chimney exhaust into the atmosphere.

In the filler using activated carbon adsorption method to remove the odor of the exhaust gas, activated carbon adsorption bed using a new type of columnar activated carbon, the activated carbon has a large specific surface area porosity, strong adsorption capacity, good mechanical strength, chemical stability thermal stability, purification efficiency of up to 95%.

Second, the working principle performance of the spray tower in the industrial waste gas treatment equipment

Shower tower is a kind of equipment for waste gas treatment, such purification equipment can be used in industrial waste gas treatment. Spray tower in the treatment of industrial waste gas is through the wind group will be collected into the waste gas scrubbing tower, flow through the filling layer section (gas/liquid contact reaction of the media), so that the waste gas filling the surface of the flow of liquid (washing liquid) full contact, in order to adsorption of waste gas contained in the acid alkaline filth, then clean gas the separation of polluted liquids, to achieve the purpose of clean air.

In the acidic alkaline acid mist exhaust gas, built-in Lassie ball packing, gas-liquid contact surface area; when the exhaust gas through the inlet distribution board, the gas will be evenly distributed in the multi-faceted hollow ball, each point contact, arranged in a “W” route to avoid the phenomenon of bias flow, with the tornado non-obstructive nozzles, 120 ° spraying, so that the gas-liquid mixing efficiency of 90-95%. The gas-liquid mixing efficiency is 90-95%, the clean effect is achieved through the atomized spraying washing of the countercurrent absorbing liquid, which can remove the harmful gases in the waste gas. Alkali spray tower has a two-stage spray device, this design can make the liquid phase to gas phase absorption efficiency to achieve a more optimized, while the gas resistance is too large. Usually the pressure drop ≤ 100Pa, so as to achieve high efficiency purification effect.    

Third, the characteristics of spray tower in industrial waste gas treatment equipment

1, spray tower dust removal desulfurization efficiency, the use of alkaline washing water, desulfurization efficiency of up to 85%; 

2, spray tower equipment occupies less space, easy to install; 

3, spray tower water consumption, power consumption indicators are low; 

4、Spray tower is corrosion-resistant, non-abrasive, has a long service life; 

5, spray tower equipment, reliable operation, maintenance is simple convenient.