Combined truncated cone type gas-liquid redistributor

By using a combined truncated cone gas-liquid redistributor in the packed tower and using the design of inverted V-shaped strip folding plates and baffles, the problem of uneven gas-liquid distribution is solved and the gas-liquid mass transfer efficiency is improved.

CN109351320AInactive Publication Date: 2019-02-19HONG HU SHI YUAN CHUN SHI HUA SHE BEI ZHI ZAO YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HONG HU SHI YUAN CHUN SHI HUA SHE BEI ZHI ZAO YOU XIAN GONG SI
Filing Date
2018-12-26
Publication Date
2019-02-19
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In a packed tower, liquid tends to concentrate on the tower wall when flowing downward along the packing layer, resulting in uneven distribution of gas and liquid and reducing mass transfer efficiency.

Method used

A combined truncated cone gas-liquid redistributor is used, including a conical wall, a connecting bottom plate, a strip-shaped folding plate and a baffle. The strip-shaped folding plate has an inverted V-shaped structure. The angle between the baffle and the side of the strip-shaped folding plate is The distance between the baffles is proportional to the center distance of the connecting bottom plate. The air holes and through holes are distributed along the axis of the tower to ensure uniform distribution of gas and liquid.

Benefits of technology

Through the design of strip folding plates and baffles, the gas-liquid contact area and time are increased, the difference in gas flow rate is reduced, the poor gas-liquid distribution in the packed tower is reduced, and the gas-liquid mass transfer efficiency is improved.

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Abstract

The invention relates to a combined truncated cone type gas-liquid redistributor. The combined truncated cone type gas-liquid redistributor comprises a conical wall and a connecting bottom plate. Theconnecting bottom plate is fixedly arranged at the bottom of the conical wall, and is provided with a plurality of strip-shaped folding plates; the strip-shaped folding plates are of inverted-V structures; a plurality of air holes are formed at equal intervals in both sides of each strip-shaped folding plate; a stop plate is fixedly arranged on the lateral side of the strip-shaped folding plate above each air hole, and an angle is formed between each stop plate and the lateral side of the corresponding strip-shaped folding plate; the angles between the stop plates and the lateral sides of thestrip-shaped folding plates are proportional to the distances from the stop plates to the center of the connecting bottom plate. The combined truncated cone type gas-liquid redistributor has the advantages that the strip-shaped folding plates and the stop plates are adopted to achieve a good distribution effect of washing liquid, and accordingly, the area and time of contact between gases and liquid can be increased and prolonged; the included angles between the stop plates and the lateral sides of the strip-shaped folding plates are proportional to the distances from the stop plates to the center of the connecting bottom plate, so that the differences among the flowing speeds of gases from each air hole are small, the gas distribution effect is good, poor gas-liquid distribution in a packing tower is reduced, and the gas-liquid mass transfer efficiency is improved.
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