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Soft measurement method for temperature of rotary kiln burning zone

A firing belt and rotary kiln technology, applied in special data processing applications, instruments, electrical digital data processing, etc.

Inactive Publication Date: 2018-10-12
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing methods do not make full use of the similarity information between sub-models for output estimation

Method used

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  • Soft measurement method for temperature of rotary kiln burning zone
  • Soft measurement method for temperature of rotary kiln burning zone
  • Soft measurement method for temperature of rotary kiln burning zone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] Figure 5 , Image 6 In order to use the robust multi-variable anomaly processing to eliminate the abnormal points of kiln tail temperature and kiln head temperature, the parameter selection is 0.95. if Then it is considered as an outlier and removed; if considered normal. The preprocessed normal data are used for kiln tail temperature and kiln head temperature modeling.

Embodiment 2

[0082] Figure 7 It is the effect diagram of the kiln tail temperature prediction model, the real-time learning database is 300, and the least squares support vector machine parameters are: γ=10, δ=10.

Embodiment 3

[0084] Figure 8 It is the effect diagram of the kiln head temperature prediction model, the real-time learning database is 300, and the least squares support vector machine parameters are: γ=20, δ=5.

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Abstract

The invention discloses a soft measurement method for the temperature of a rotary kiln burning zone. The method comprises the following steps that: taking a rotary kiln head temperature model and a kiln tail temperature model as basic models, and carrying out model migration to obtain a rotary kiln burning zone temperature model to predict the temperature of the burning zone.

Description

technical field [0001] The invention relates to the technical field of automatic measurement, in particular to a soft measurement method for the firing zone temperature of a rotary kiln. Background technique [0002] Cement is one of the important basic materials of construction engineering. The new dry process cement production process mainly includes: raw meal preparation, clinker calcination, cement production and delivery. Among them, the clinker calcination link is an important link in cement production, and the key to the quality of cement clinker is the temperature control of the rotary kiln firing zone. Coal powder sprayed from the head of the rotary kiln is mainly used to heat the cement raw material to a temperature of 1350 to 1450 degrees Celsius. The temperature in the firing zone of the rotary kiln is extremely important to the quality of the clinker. If the temperature is too high, the amount of liquid phase generated is too much , the viscosity is small, whi...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F2119/08G06F30/20
Inventor 钱锋钟伟民朱远明杜文莉梅华
Owner EAST CHINA UNIV OF SCI & TECH
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