Capacity control system and method based on air volume and air pressure of pulverizer system

By designing a capacity control system based on air volume and air pressure in the material crushing system, dynamically adjusting the feed volume of the crusher, the problems of low working efficiency of the crusher and clogged screen are solved, and capacity is maximized and productivity is improved.

CN119702220AActive Publication Date: 2025-03-28BUHLER CHANGZHOU MASCH CO LTD
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Patent Information

Application Number
CN202411716540.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-03-28
Estimated Expiration
2044-11-27

AI Technical Summary

Technical Problem

When the existing material crushing system is low in the working efficiency of the crusher, it is difficult for operators to accurately adjust the amount of material entering the crushing chamber, which can easily lead to screen clogging, abnormal shutdown of the crusher and reduced productivity.

Method used

Design a capacity control system based on the air volume and air pressure of the crusher system. Through the data acquisition module, the motor energy consumption data, wind network operation data and material production data are obtained in real time. Combined with the capacity prediction module and the abnormal monitoring module, the feed volume of the crusher is dynamically adjusted to ensure that the screen is not blocked and the maximum motor load operation is achieved.

Benefits of technology

The crusher production capacity is maximized, screen clogging and abnormal shutdown of the crusher is avoided, and productivity and working efficiency are improved.

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Abstract

The invention provides a productivity control system and control method based on air volume and air pressure of a pulverizer system, and is applied to the technical field of material pulverizing, the productivity control system comprises an abnormity monitoring module, and the abnormity monitoring module comprises a screen abnormity monitoring unit and a low-efficiency operation monitoring unit; the screen abnormity monitoring unit is used for judging whether the screen has a blocking trend or not, and if the screen has the blocking trend, the blocking trend is fed back to the capacity adjusting module so as to reduce the feeding amount of the crusher; the low-efficiency operation monitoring unit is used for judging whether the pulverizer has a low-efficiency operation condition or not, and if the pulverizer has the low-efficiency operation condition, the low-efficiency operation condition is fed back to the capacity adjusting module to increase the feeding amount of the pulverizer; and the abnormity monitoring module judges whether a screen of the crusher has a blocking trend according to the real-time data acquired by the data acquisition module, on the basis of ensuring that the screen is not blocked, the minimum airflow required by crushing and transportation is kept, a motor of the crusher operates at the maximum load at the moment, and the feeding amount of the crusher is adjusted to realize the maximum productivity.
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