Let’s discuss the common types of structures used in flue gas desulfurization absorption towers
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When designing flue gas absorption towers, different processes are employed, which results in varying structures for these towers. I will first describe the structure of the absorption tower I designed: 1. In the German Steinmiller process (limestone-gypsum method), the inlets and outlets of the flue gas ducts are not at the same elevation; generally, the inlet duct is inserted into the tower body at an inclination angle of around 10–15 degrees. The top of the absorption tower is almost flat. A mixer is installed on the side wall at the bottom of the absorption tower, onto which an oxidizing air pipeline network is mounted. 2. Chiyoda’s bubble column. 3. Kawasaki Heavy Industries turnaround tower.
Cyclone plate towers from Zhejiang University, packed towers from Shanghai Shenchuan
The structures of desulfurization towers used for spellcasting are generally similar. Of course, there are also some special ones. For example, the square tower – it seems to be Mitsubishi’s technology.
Spray towers are generally used more often, as they have a low pressure drop under empty conditions
There are mainly these few types of basic tower configurations for wet flue gas desulfurization: 1. Packed tower, 2. Truncated cone tower. Empty towers are further divided into spray towers, bubble towers, liquid-column towers, and dynamic-wave towers. That’s about it.