Hualai Tower Internals Structured Packing Supporting Grids Fine Made

Hualai Tower Interals Structured Packing Supporting Grids Fine Made

The main purpose of the packing support plate is to support the packing in the tower, and at the same time to ensure the smooth passage of gas and liquid phases. The basic requirements are:

1. It has enough strength and rigidity, and can support the quality of packing and liquid holding as well as the operating pressure, etc;

2. It has an opening ratio greater than the void ratio of the packing layer to prevent flooding at this position;

3. The structure is reasonable, which is conducive to the uniform distribution of gas and liquid phases, small resistance and easy to disassemble.

Due to the inherent structural characteristics of structured packing, the supporting device used is simple in structure. The supporting grid plate of corrugated structured packing has a spacing of 50-100mm, and the lower end of the grid bar is zigzag, so that the liquid can drop evenly from the tip of the tooth. For the small tower with flange connection (the diameter of the tower is usually less than 1 m), it can be made into an integral type. It is made of 3-10 mm thick flat steel. The height of the support ring and grid bar is 50-100 mm. It is placed on the tower ring welded on the tower wall or on 4-8 supports welded on the tower wall. These dimensions depend on the weight it bears.

For the tower with manhole, the supporting grid plate can be made into section type and assembled from the manhole into the tower. If the tower diameter is more than 2m, multiple supporting beams shall be added. The support beam can be made of I-beam, the support grid plate is placed on it, and the periphery is also placed on the tower support ring.

General failure analysis and treatment of packed tower:

Postion and Simple drawing of structured packing support grids:

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