Analysis of various parameters measured by closed ball mill technology
For a closed-circuit ball mill, it is essential to determine the technical parameters and calculate the grinding and classification parameters to assess whether the steel ball grading inside the mill is appropriate. The efficiency of the grinding process largely depends on achieving an optimal ball-to-pulp ratio. A well-structured ball charge is crucial in maintaining this balance. If the ball distribution in each compartment falls outside the ideal range, adjustments should be made based on actual operational conditions.
According to the sieve analysis curve, a ball mill operating normally should show a steep slope at the feed end of the mill, gradually becoming flatter toward the discharge end. If there is no significant drop in the sieve curve, it may indicate that the crushing capacity of the compartment is insufficient, and the ball charge should be adjusted accordingly. If the sieve curve shows long horizontal segments, it suggests that the material's fineness remains relatively unchanged, indicating poor grinding performance. In such cases, changing the ball charge or removing small grinding media could improve results.
If the percentage of material passing through the screens before and after the partition plate is significantly different, it may suggest an imbalance in the grinding capacity between compartments. First, check if the width of the partition plate meets the required specifications. If the opening is too wide, consider replacing the plate or plugging some holes to reduce the aperture. If the holes are clogged with debris, they should be cleaned promptly to ensure proper flow. To balance the grinding capacity across all compartments, the ball charge load or the length of each compartment may also need adjustment.
As a leading manufacturer specializing in the research, development, production, and sales of heavy equipment, Zhengzhou Hengxing Heavy Equipment Co., Ltd. is committed to delivering high-quality products and services. The company actively supports national initiatives for construction, environmental protection, energy saving, and low carbon development. Focused on core product innovation, the company produces energy-saving ball mills, cone ball mills, and Other advanced grinding equipment. It strives to develop more environmentally friendly and energy-efficient ball mill solutions without compromising original performance or quality.
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