Batch hot-dip zinc-aluminum-magnesium plating upstream tuyere cooling device

By adopting a uniformly distributed design of flow divider components and cooling nozzles in the production of hot-dip galvanized aluminum-magnesium sheet and strip, and combining the linkage of thickness detection sensors with frequency converters and flow control valves, the problems of uneven cooling and low efficiency have been solved, achieving efficient and uniform sheet and strip cooling, and improving product quality and production efficiency.

CN224313610UActive Publication Date: 2026-06-02JIANGSU BAOHUA METAL MATERIALS CO LTD
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Patent Information

Application Number
CN202521162738.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-09
Publication Date
2026-06-02
Estimated Expiration
2035-06-09

AI Technical Summary

Technical Problem

Existing cooling devices for hot-dip galvanized aluminum-magnesium sheets and strips suffer from uneven cooling and low cooling efficiency during mass production. Furthermore, they cannot flexibly adjust cooling parameters, which affects the flatness and surface quality of the sheets and strips, thereby reducing production efficiency and product qualification rate.

Method used

A batch hot-dip galvanized aluminum-magnesium aluminum-magnesium upward air outlet cooling device was designed, including a cooling box, air inlet, air outlet, flow distribution component, air intake component and cooling nozzle. It adopts a uniform distribution design of flow distribution component and cooling nozzle, combined with the linkage of thickness detection sensor, frequency converter and flow control valve to realize automatic adjustment of cooling air and liquid, and adapt to the cooling needs of different specifications of plate strip.

Benefits of technology

It achieves efficient and uniform cooling of the strip, improves product quality and production efficiency, reduces labor intensity, and enhances the versatility of the equipment and the flexibility of production.

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Abstract

The utility model belongs to the technical field of hot-dip zinc-aluminum-magnesium plate strip production equipment, and discloses a batch hot-dip zinc-aluminum-magnesium upstream tuyere cooling device which comprises a cooling box body, an air inlet, an air outlet, a shunting assembly, an air inlet assembly and a cooling spray head, the thickness detection sensor is linked with the frequency converter and the flow control valve, so that the cooling device can automatically adjust cooling parameters according to the thickness change of the plate strip, the cooling requirements of the plate strips with different specifications are met, the universality of equipment and the production flexibility are improved, the cooling air channel design and the adjustable cooling parameters are improved, and the production efficiency is improved. Heat of the plate strip can be rapidly taken away, the cooling time is shortened, the production efficiency is improved, cooling air is evenly distributed in the cooling box body through the unique design of the flow dividing assembly, it can be guaranteed that all parts of the plate strip can be evenly cooled in combination with the cooling sprayers which are arranged at equal intervals in the conveying direction of the plate strip, and the liquid supply amount can be independently adjusted; and the flatness and the surface quality of the plate strip are effectively improved.
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