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System and method for minimizing chemical oxygen demand (COD) discharge of pesticide production waste liquid incinerator

A technology of chemical oxygen demand and incinerator, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve problems such as COD cannot be measured online, COD exceeds the standard, etc.

Inactive Publication Date: 2010-06-30
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of the existing incinerator process that COD cannot be measured online and COD seriously exceeds the standard, the present invention provides a chemical oxygen demand emission minimization system for pesticide production waste liquid incinerators that can measure COD on-line and effectively monitor whether COD exceeds the standard and methods

Method used

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  • System and method for minimizing chemical oxygen demand (COD) discharge of pesticide production waste liquid incinerator
  • System and method for minimizing chemical oxygen demand (COD) discharge of pesticide production waste liquid incinerator
  • System and method for minimizing chemical oxygen demand (COD) discharge of pesticide production waste liquid incinerator

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Embodiment 1

[0071] refer to figure 1 , figure 2 , a chemical oxygen demand emission minimization system for a pesticide production waste liquid incinerator, comprising an on-site intelligent instrument 2 connected to an incinerator 1, a DCS system and a host computer 6, and the DCS system includes a data interface 3, a control station 4 and Database 5, described on-site intelligent instrument 2 is connected with data interface 3, and described data interface is connected with control station 4, database 5 and upper computer 6, and described upper computer 6 comprises:

[0072] The standardization processing module 7 is used to collect the data sample TX of the key variable of the system from the database, the chemical oxygen consumption data Y corresponding to the data sample TX, and standardize the data sample TX. The mean value of each variable is 0, and the variance is 1. To obtain the input matrix X, the following process is used to complete: the formulas are (1), (2), (3):

[0073...

Embodiment 2

[0104] refer to figure 1 , figure 2 and image 3 , a method for minimizing the discharge of chemical oxygen demand from a pesticide production waste liquid incinerator, the method comprising the following steps:

[0105] 1) Collect the training sample TX of the key variables of the system from the historical database, and the chemical oxygen consumption (COD) data Y corresponding to the training sample TX, standardize the training sample TX to obtain the input matrix X, and use the following process to complete:

[0106] 1.1) Calculate the mean: TX ¯ = 1 N Σ i = 1 N TX i - - - ( 1 )

[0107] 1.2) Calculate the standard deviation: σ x 2 = 1 ...

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Abstract

The invention discloses a system for minimizing chemical oxygen demand (COD) discharge of a pesticide production waste liquid incinerator, comprising a field intelligent instrument connected with the pesticide production waste liquid incinerator, a DCS system and a host computer. The host computer comprises a standardized processing module for collecting training samples TX of key system variables from a database and the chemical oxygen demand data Y corresponding to the training samples TX and standardized processing the training samples TX, a support vector machine (SVM) module for soft-sensor modeling and a particle swarm algorithm module for solving the following minimum problem with the pgK obtained when iteration is ended being the operating variable with minimum chemical oxygen demand. The invention also discloses a method for minimizing the chemical oxygen demand (COD) discharge of the pesticide production waste liquid incinerator. The invention provides a system and a method for minimizing the chemical oxygen demand (COD) discharge of the pesticide production waste liquid incinerator, which can measure the COD online and effectively monitor whether the COD exceeds standard.

Description

technical field [0001] The invention relates to the field of pesticide production, in particular to a system and method for minimizing chemical oxygen demand (COD) discharge from a pesticide production 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. The chemical oxygen demand of incinerated wastewater is the...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 刘兴高闫正兵
Owner ZHEJIANG UNIV
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