Intelligent least-square system and method for optimizing incinerator temperature of pesticide waste liquid incinerator
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A least squares and incinerator technology, applied in general control systems, control/regulation systems, temperature control, etc., can solve problems such as difficult control of furnace temperature, too low or too high furnace temperature
Inactive Publication Date: 2013-12-25
ZHEJIANG UNIV
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[0007] In order to overcome the disadvantages of the existing incinerators that the furnace temperature is difficult to control and prone to low or high furnace temperature, the present invention provides a pesticide waste liquid incinerator that can realize accurate control of furnace temperature and avoid excessively low or high furnace temperature. Furnace temperature optimization system and method
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Embodiment 1
[0105] refer to figure 1 , figure 2 , an intelligent least squares system for optimizing the furnace temperature of a pesticide waste liquid incinerator, including an on-site intelligent instrument 2 connected to an incinerator object 1, a DCS system and a host computer 6, and the DCS system includes a data interface 3 and a control station 4 And database 5, described field smart instrument 2 is connected with data interface 3, and described data interface is connected with control station 4, database 5 and host computer 6, and described host computer 6 comprises:
[0106] The standardization processing module 7 is used to preprocess the model training samples input from the DCS database, centralize the training samples, that is, subtract the average value of the samples, and then standardize it:
[0107] Calculate the mean: TX ‾ = 1 N Σ i = ...
Embodiment 2
[0153] refer to figure 1 , figure 2 , an intelligent least squares method for optimizing the furnace temperature of the pesticide waste liquid incinerator, the specific implementation steps of the method are as follows:
[0154] 1) Determine the key variables used, collect the data of the variables when the production is normal from the DCS database as the input matrix of the training sample TX, and collect the corresponding furnace temperature to optimize the operating variable data as the output matrix O;
[0155] 2) Preprocess the model training samples input from the DCS database, and centralize the training samples, that is, subtract the average value of the samples, and then standardize them so that the mean value is 0 and the variance is 1. This processing is accomplished using the following algorithmic procedure:
[0156] 2.1) Calculate the mean: TX ‾ = 1 N Σ ...
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Abstract
The invention discloses an intelligent least-square system and method for optimizing incinerator temperature of a pesticide waste liquid incinerator. According to the method, a least-square support vector machine is adopted as a local equation of a fuzzy system, defuzzification output is carried out on the output of the least-square support vector machine, and accurate control over the incinerator temperature is achieved. In the system and the method, training samples are processed through a standardization processing module and used as the input of a fuzzy system module; an incinerator temperature predicted value obtained from the fuzzy system module and an operating variable value optimizing the incinerator temperature are connected with a result display module, and the result display module is used for transmitting results to a DCS; a model updating module is used for collecting the signals of a field intelligent instrument according to a set sampling time interval. According to the system and the method, the fact that the incinerator temperature is calculated in real time and controlled accurately is achieved, and overshooting of the incinerator temperature is avoided.
Description
technical field [0001] The invention relates to the field of pesticide production waste liquid incineration, in particular to an intelligent least squares system and method for optimizing the furnace temperature of a pesticide waste liquid incinerator. Background technique [0002] With the rapid development of the pesticide industry, the environmental pollution of emissions has attracted great attention from governments and corresponding environmental protection departments. Researching and solving the standard discharge control and harmless minimization of pesticide organic waste liquid has not only become a difficulty and hot spot in scientific research in various countries, but also a scientific proposition that is urgently needed by the country related to the sustainable development of society. [0003] Incineration is currently the most effective, thorough and widely used method for dealing with pesticide residues and waste residues. During the incineration process, t...
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