在工艺设计上的优点 Advantages of tail gas absorption tower in process design
Tail gas absorption towers are widely used for their stable performance and high absorption efficiency, but many people still do n’t understand why the same absorption tower can be widely used. In fact, there are reasons for this, because our absorption tower is in process technology. There are unique advantages in this aspect, and the following are specific introductions:
1. The tail gas absorption tower makes the resistance of the absorption system smaller by improving the traditional absorption tower.
2. The defogger of the tail gas absorption tower is specially designed to make the flue gas velocity of the absorption tower evenly distributed.
3. The slurry tank structure and slurry disturbance system of the tail gas absorption tower are unique, so its safety and availability are relatively high.
The basic principle of the tail gas absorption tower is to use the contact between the gas and the liquid to transfer the pollutants in the gas to the liquid, and then separate the clean gas from the contaminated liquid to achieve the purpose of cleaning the air. After the granular pollutants in the airflow come into contact with the washing liquid, the droplets or liquid films diffuse on the airflow particles, or humidify the particles, so that the particles can be separated and removed by the action of gravity and inertia. [Gaseous pollutants] are transferred into the washing liquid through the mass transfer such as turbulence, molecular diffusion, and chemical reactions to achieve the purpose of separation from the inflow gas. Chemical substances can be added to the washing liquid to control gaseous odor substances in an absorption manner. Exhaust gas is processed through the filled scrubbing tower and the gas-receiving liquid is absorbed in reverse, that is, the liquid is sprayed down from the top of the tower in a mist (or small water droplet). Exhaust gas from the bottom of the tower (reverse flow) to achieve the purpose of gas-liquid contact. This treatment method can cool the exhaust gas temperature, gas conditioning, and particle removal, and then discharge it into the atmosphere after the demister section treatment.
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