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The gas–water combined atomization processProcess is one of the mainstream processesProcess for preparing Fe-based amorphous powders. As an important part of the gas–water combined atomization system, the structural parameters of the swirling cooling water bucketSwirling cooling water bucket have a significant impact on the formation of the water film, which directly affects the performance of the amorphous powder, such as particle size distributionParticle size distribution and amorphous degree. In this paper, a gas–water two-phase flow coupled numerical model was established to analyze the influence of the structural parameters of the swirling cooling water bucketSwirling cooling water bucket (such as the bucket diameter, inclination angle, and baffle ring position) on the swirling cooling water film in the gas–water combined atomization system. The results show that as the bucket diameter increases, the water film thickness decreases and its stability deteriorates. When the bucket diameter increases to 500 mm, a stable water film cannot be formed, and the water film velocity also decreases. Increasing the inclination angle of the bucket can slightly improve the stability of the water film in the middle and lower parts and reduce the water film fluctuation, but it will lead to a decrease in the water film velocity. Without a baffle ring, approximately 33.83% of the cooling water overflows from the upper part of the bucket and fails to form a stable water film, which may cause production disruptions. The presence of a baffle ring can effectively suppress this phenomenon, and the water film velocity reaches its maximum when the baffle ring is 36 mm away from the wall. Within the range of the bucket structural parameters designed in this study, the optimal parameter combination is a bucket diameter of 300 mm, an inclination angle of 20°, and a baffle ring distance of 36 mm from the wall. Under this structure, the swirling cooling water bucketSwirling cooling water bucket can form a stable water film with sufficient thickness and velocity, which can effectively prepare Fe-based amorphous powders and maintain a good yield of amorphous powders.

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Structural Design of a Swirling Cooling Water Bucket in the Gas–Water Atomization Process Based on Numerical Simulation

  • 会议论文

  • 发表日期：

    2026年

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  • Cheng-Fei Wang,
  • Pu Wang,
  • Bo Li,
  • Jia-qi Liu,
  • Yuan-bin Lv,
  • Jia-quan Zhang

摘要

The gas–water combined atomization processProcess is one of the mainstream processesProcess for preparing Fe-based amorphous powders. As an important part of the gas–water combined atomization system, the structural parameters of the swirling cooling water bucketSwirling cooling water bucket have a significant impact on the formation of the water film, which directly affects the performance of the amorphous powder, such as particle size distributionParticle size distribution and amorphous degree. In this paper, a gas–water two-phase flow coupled numerical model was established to analyze the influence of the structural parameters of the swirling cooling water bucketSwirling cooling water bucket (such as the bucket diameter, inclination angle, and baffle ring position) on the swirling cooling water film in the gas–water combined atomization system. The results show that as the bucket diameter increases, the water film thickness decreases and its stability deteriorates. When the bucket diameter increases to 500 mm, a stable water film cannot be formed, and the water film velocity also decreases. Increasing the inclination angle of the bucket can slightly improve the stability of the water film in the middle and lower parts and reduce the water film fluctuation, but it will lead to a decrease in the water film velocity. Without a baffle ring, approximately 33.83% of the cooling water overflows from the upper part of the bucket and fails to form a stable water film, which may cause production disruptions. The presence of a baffle ring can effectively suppress this phenomenon, and the water film velocity reaches its maximum when the baffle ring is 36 mm away from the wall. Within the range of the bucket structural parameters designed in this study, the optimal parameter combination is a bucket diameter of 300 mm, an inclination angle of 20°, and a baffle ring distance of 36 mm from the wall. Under this structure, the swirling cooling water bucketSwirling cooling water bucket can form a stable water film with sufficient thickness and velocity, which can effectively prepare Fe-based amorphous powders and maintain a good yield of amorphous powders.