Filler sheet and associated filler pack assembly

By optimizing the design of the packing plates, adopting offset sections, microstructures, and spacers, and improving the heat transfer zone and floating debris remover, the problems of high pressure drop, poor thermal performance, and low floating debris removal efficiency in crossflow cooling towers have been solved, achieving more efficient cooling and simplified installation.

CN116753768BActive Publication Date: 2026-07-24BRENTWOOD IND INC
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Patent Information

Application Number
CN202310444034.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-10-28
Filing Date
2020-12-04
Publication Date
2026-07-24
Estimated Expiration
2040-12-04

AI Technical Summary

Technical Problem

Existing crossflow cooling tower packing designs suffer from high pressure drop, poor thermal performance, low floating debris removal efficiency, and complex installation. In particular, the bottom support packing exhibits reduced performance under compressive loads, and the heat transfer zone design fails to effectively improve cooling efficiency.

Method used

Design a packing sheet comprising offset sections or transition features, microstructures, and spacers to optimize the heat transfer area and floating debris remover. Enhance the lateral stiffness and thermal performance of the packing through improved groove and rib structures, and stagger offset sections in the packing bundle to reduce pressure drop. Simultaneously, integrate an integral floating debris remover on the packing sheet to improve floating debris capture efficiency.

Benefits of technology

It improves the cooling efficiency of the cooling tower, reduces pressure drop, enhances the thermal performance and floating debris removal ability of the packing, simplifies the installation process, and reduces the cost of the packing.

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Abstract

A packing sheet for cooling a heat transfer fluid in a cooling tower includes an air inlet end, an air outlet end, a top edge, and a bottom edge. The air outlet end is positioned opposite the air inlet end along a transverse axis. The top edge connects the air inlet end and the air outlet end, and the bottom edge also connects the air inlet end and the air outlet end. The bottom edge is positioned opposite the top edge along a vertical axis. A plurality of flutes extends between the air inlet end and the air outlet end generally parallel to the transverse axis. A deflection portion extends generally parallel to the vertical axis. A first flute of the plurality of flutes transitions from a first peak at a first side of the deflection portion to a first valley at a second side of the deflection portion.
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