A closed-loop control method and system for cement raw meal batching

Abstract

The invention discloses a cement raw material batching closed-loop control method and system. The method includes: S1, obtaining the chemical composition of raw materials, coal ash chemical composition, industrial analysis of raw coal, and heat consumption of clinker in factories; S2, selection of clinker rate value ; S3, batching calculation; S4, obtain the neutron system error, and calculate the actual raw meal rate value control target value participating in the control; S5, obtain the time difference t of raw meal entering and leaving the homogenization warehouse; S6, change the raw coal pile, take the new pile coal to Acquisition of use time, output the adjustment time of raw material rate value before raw coal replacement; S7, adjustment of raw material grinding rate value adjustment; S8, emergency control of raw material batching; S9, abnormal situation handling; the system includes: clinker rate value, clinker heat Consumption optimization positioning raw material batching calculation unit, dynamic material warehouse, warehouse consumption balance management and budget unit, raw material batching calculation unit, online neutron batching control unit, fully automatic laboratory detection unit, abnormal situation processing unit.

Description

technical field [0001] The invention relates to the technical field of cement raw meal batching control, in particular to a cement raw meal batching closed-loop control method and system. Background technique [0002] In the traditional cement industry, the ratio of raw materials can be calculated statically through the calculation formula of ingredients. However, due to the non-uniformity and stability of raw material components, the lag of calculation results is prominent. With the application of neutron on-line detection and control technology in the cement industry, the influence of the non-uniform stability of raw material composition on ingredients has been solved. However, due to the existence of warehouses, warehouses and storage yards in enterprises, the problem of matching coal materials has become prominent. Contents of the invention [0003] In order to solve the deficiencies in the prior art and realize the purpose of raw material closed-loop control, the pres...

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Problems solved by technology

[0002] In the traditional cement industry, the ratio of raw materials can be calculated statically through the calculation formula of ingredients, but due to the non-uniformity and stability of raw material components, the problem of lagging calculation results is prominent

With the application of neutron on-line detection and control technology in the cement industry, the influence of non-uniform stability of raw material composition on ingredients has been solved. However, due to the existence of warehouses, warehouses and storage yards in enterprises, the problem of matching coal materials has become prominent.

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