GRP Bubble Tower

The GRP bubble tower design incorporates the modular concept, and the tower body is formed in sections, which is convenient for transportation and rapid on-site assembly. The bubble layer adopts a stepped layout to ensure uniform distribution of gas and liquid, effectively improving the mass transfer efficiency; the surface of the tower body is specially anti-slip treated to avoid liquid flooding and mist entrainment. The inner side of the tower body is lined with PVC, which is more corrosion-resistant and has a longer service life. The one-piece molding process of FRP materials eliminates the risk of weld corrosion. The tower diameter, height and bubble density can be customized according to needs to meet different process requirements.

The GRP bubble tower is a plate tower equipment that achieves mass transfer through efficient contact between the gas and liquid phases on the tray. Its core principle can be summarized as ‌gas is dispersed into small bubbles and passes through the liquid layer to form a dynamic gas-liquid contact interface‌. The liquid flows from the upper tray to the current tray through the downcomer, flows horizontally through the area covered with bubbles (gas-liquid contact area), and then passes through the overflow weir into the next downcomer. During the flow of liquid, the overflow weir will maintain a stable liquid layer thickness on the tray (usually higher than the height of the bubble gap) to ensure full contact between gas and liquid. The gas rises from the lower tray and enters the riser in the bubble. After passing through the annular channel, it is dispersed into fine bubbles from the gaps between the bubble teeth. When these bubbles pass through the liquid layer on the tray, they are violently agitated with the liquid to form a foam layer, thereby expanding the gas-liquid contact area and promoting mass transfer (such as absorption, distillation, etc.).

Bubble cap and riser: The gas enters the bubble cap through the riser and is dispersed into uniform bubbles through the tooth gap, enhancing the gas-liquid contact efficiency.

‌Overflow weir and downcomer: Control the distribution and flow of liquid on the tray to prevent gas short circuit (i.e., direct rise without contacts with liquid).

‌Tower tray design: The multi-layer horizontal tray structure allows gas and liquid to contact in countercurrent step by step, extending the mass transfer path.

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