A Data Coordination Method for Fluidized Roasters Based on Robust Estimation Function

A fluidized roaster and robust estimation technology, which is applied in control/regulation systems, instruments, adaptive control, etc., can solve the problems of fluidized roaster real-time detection data error, roaster data redundancy, and feed composition changes, etc. , to achieve the effect of wide application range, better robust performance and high accuracy

Active Publication Date: 2022-03-18
CENT SOUTH UNIV
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Problems solved by technology

[0006] Based on the above problems, the present invention provides a fluidized roaster data coordination method based on a new robust estimation function, which solves the problem that the real-time detection data of the fluidized roaster is easily affected by significant errors, the data redundancy of the roaster is insufficient, and the concentration test period is long. The problem that the change of the input material composition is unknown

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  • A Data Coordination Method for Fluidized Roasters Based on Robust Estimation Function
  • A Data Coordination Method for Fluidized Roasters Based on Robust Estimation Function
  • A Data Coordination Method for Fluidized Roasters Based on Robust Estimation Function

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[0053] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0054] The present invention provides a method for coordinating the real-time detection data of the fluidized roaster based on a novel robust estimation function. The structure of the fluidized roaster is as follows: figure 1 As shown, this method removes the influence of significant errors on the detection data to ensure that the coordinated data satisfy the range constraints of process variables and the conservation of mass and energy. At the same time, aiming at the problem that the test cycle of the concentrate composition is long, and the test data in the morning and evening cannot actually reflect the change of the feed composition on the day, a method is provided to...

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Abstract

The invention discloses a method for coordinating fluidized roaster data based on a novel robust estimation function, which establishes a steady-state mechanism balance model of a fluidized roaster, including a material balance equation and a heat balance equation, and constructs a novel robust estimation function. The measured value of the variable preliminarily estimates the percentage α of ZnS in the mixed zinc concentrate; this α is substituted as a known parameter into the hierarchical data coordination model in step S4 to solve the coordination value of the measured variable and the estimated value of the unmeasured variable ;Finally, the coordination value obtained from the solution is substituted into the heat balance equation to calculate the solution after coordination Problems with unknown changes.

Description

technical field [0001] The invention relates to the technical field of process control, in particular to a method for coordinating fluidized roaster data based on a novel robust estimation function. Background technique [0002] The roasting process in the fluidized roaster is a gas-solid reaction process. A large amount of air is sent into the furnace from the bottom of the furnace, so that the sulfide mineral material layer undergoes a very intense and strong exothermic reaction under the agitation of a large amount of air. Oxygen and sulfide The sulfur in the gas is combined to generate sulfur dioxide, and the valuable metals are converted into oxides or sulfates. [0003] In the boiling roasting process, accurate and reliable measurement data is the basis for process control, operation analysis, production management, etc. However, in the actual roasting process, due to factors such as inaccurate sensors or instruments, changes in the measurement environment, equipment ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 孙备栾宇思李勇刚冯振湘肖灿奎阳春华桂卫华
Owner CENT SOUTH UNIV
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