【Exhaust gas absorption towerType:

Exhaust gas absorption towerIt mainly includes exhaust gas purification equipment such as spray towers, exhaust gas purification towers, and acid mist purification towers.

【Exhaust gas absorption tower|Spray Tower

The acid mist exhaust gas is introduced into the spray tower through the air duct, passes through the packing layer, and undergoes gas-liquid two-phase contact absorption and neutralization reaction with the sodium hydroxide absorption liquid. The acid mist exhaust gas is treated by the exhaust gasAfterwards, it is dehydrated and defogged by a defogging plate before being discharged into the atmosphere by a fan. The absorption liquid is pressurized by a water pump at the bottom of the acid mist spray tower and sprayed down from the top of the tower, then refluxed to the bottom for recycling. The treated acid mist exhaust gas meets the emission requirements of the local emission standards in Guangdong Province and is lower than the national emission standards.

【Exhaust gas absorption tower|Exhaust gas purification tower

When the smoke containing gas with a certain intake velocity enters the exhaust gas purification tower through the air duct, it impacts the water layer and changes the direction of gas movement, while the dust particles continue to move in the original direction due to inertia. Most of the dust particles stick to the water and stay in the water. After impacting the water bath, a part of the dust particles move with the gas, combine with the impact water mist and the circulating spray water phase, and further mix fully in the main body. At this time, the dust particles in the dust containing gas are captured by the water, and the dust water is centrifuged or filtered out. Due to gravity, it flows into the circulation pool through the tower wall and the purified gas is discharged outside the body. The wastewater is treated with chemicals in the circulating pool and reused, while the sediment is regularly cleaned and transported outside.

【Exhaust gas absorption tower|Acid mist purification tower

The acid mist treatment tower is an indispensable environmental protection equipment for purifying acid mist waste gas. During the process of sulfuric acid, nitric acid, hydrofluoric acid, hydrochloric acid and other process operations, acid/alkaline gases are generated. The waste gas enters the packed tower through the power of the induced draft fan, and the absorption liquid is evenly distributed on the packing at the upper end of the packed tower. The waste gas and absorption liquid are fully in contact on the surface of the packing. Due to the characteristics of high mechanical strength, corrosion resistance, high porosity and large surface of the packing, there is a large contact area and reaction time between the waste gas and absorption liquid on the packing surface. The purified gas will be saturated with water and discharged directly into the atmosphere after being removed by the mist removal device at the top of the tower. The working principle of the acid mist treatment tower is to separate pollutants from the gas and convert them into harmless substances to achieve organic waste gas treatmentThe purpose. It belongs to the differential contact counter current type, and the packing inside the tower is the basic component of gas-liquid two-phase contact. After the gas outside the tower enters the tower, the gas enters the packing layer, which has a layer of liquid film from the top spray liquid and the front spray liquid, and forms a liquid film on the packing. When the gas flows through the gap of the packing, it contacts the packing liquid film and undergoes absorption or comprehensive reaction. The packing layer can provide a sufficiently large surface area without causing excessive resistance to the gas flow. The absorbed or comprehensive gas is collected by the demister and discharged outside the tower through the outlet. The wastewater is treated with chemicals in the circulating pool of the acid mist exhaust gas purification tower before being recycled, and the sediment is regularly cleaned and transported outside.

【Exhaust gas absorption towerApplication:

Exhaust gas absorption towerThe types, concentrations, temperatures, and other technical conditions of gases that can be applied to various industries and absorbed are different, and the types of products recovered by the tower are also different. Therefore, this series of waste gas treatment equipment should be designed and selected according to actual conditions to tailor practical and economical waste gas absorption towers for users.