Coal Feeding Control Method for Cement Rotary Kiln Kiln Head

A cement rotary kiln and control method technology, applied in furnace control devices, rotary drum furnaces, furnaces, etc., can solve problems such as the influence of cement clinker sintering quality, differences in the technical level of operating engineers, and eliminate differences in knowledge and experience. Effect

Active Publication Date: 2022-04-29
UNIV OF JINAN
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Problems solved by technology

[0004] However, in the current cement enterprises, the control of the amount of coal fed to the kiln head mainly depends on the knowledge and experience of the operating engineers, and due to the differences in the technical level of the operating engineers and the operation behavior is easily dominated by subjective wishes, the firing quality of cement clinker is affected.

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  • Coal Feeding Control Method for Cement Rotary Kiln Kiln Head
  • Coal Feeding Control Method for Cement Rotary Kiln Kiln Head
  • Coal Feeding Control Method for Cement Rotary Kiln Kiln Head

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[0061] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0062] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Description...

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Abstract

The invention discloses a cement rotary kiln kiln head coal feeding control method. The method includes the following steps: based on the actual production data of a cement factory, the set of initial kiln head coal feeding amount is obtained through case reasoning; Based on the deviation from the expected temperature of the firing zone and the temperature change rate of the firing zone, the trend of the current firing conditions is judged according to expert rules, and the amount of coal fed to the kiln head is corrected and compensated. The invention establishes the design method of the control device based on case reasoning combined with expert rules to correct the given coal feeding amount of the kiln head of the cement rotary kiln, and eliminates the difference in knowledge and experience among different operating engineers.

Description

technical field [0001] The invention relates to a coal feeding control method for a cement rotary kiln kiln head, belonging to the technical field of cement production control. Background technique [0002] The cement industry is one of the pillar industries of my country's national economy, and the cement rotary kiln has become the main equipment for calcining cement clinker in modern cement production. It has become an important development direction of the cement industry to build intelligent cement production plants and improve the high degree of automation, integration and greening of cement enterprises. [0003] Clinker is an intermediate product in cement production, and its quality directly determines the final quality of cement. The calcination process of cement clinker in the rotary kiln is the key link to determine the quality of cement clinker. [0004] However, in the current cement enterprises, the control of the amount of coal fed to the kiln head mainly dep...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27B7/20F27B7/42F27D19/00
CPCF27B7/20F27B7/42F27D19/00
Inventor 路士增李强亚王孝红于宏亮袁铸钢孟庆金景绍洪张强蒋萍刘钊张荣丰刘化果
Owner UNIV OF JINAN
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