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Method and device for regulating process within system, in particular combustion process in power station

A technology for combustion processes, power plants, applied in combustion methods, general control systems, controlled combustion, etc., to solve problems such as taking into account results

Pending Publication Date: 2021-07-23
AIXPROCESS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the methods, devices and control circuits known from the prior art, the influence of the type and manner of pretreatment of the raw material to be pretreated on the combustion process and the consequences of the combustion process are not taken into account

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  • Method and device for regulating process within system, in particular combustion process in power station

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Embodiment Construction

[0058] The method according to the invention is used to control processes in systems, in particular combustion processes in power plants 1 , waste incineration plants or cement plants.

[0059] figure 1 The power plant 1 shown comprises a plurality of coal bunkers 3 containing coarse clean, medium and fine coal, from which coal bunkers feed at least one mill 5 . Instead of coal, it is also possible in principle to use or mix another fuel. At least one mill 5 is used for preprocessing the material stored in the bunker 3 .

[0060] According to the method of the invention, the input variable 2 of the pretreatment of the raw material, ie the input variable of the mill 5 , is detected during a first period of time. The above-mentioned detection is carried out automatically by means of corresponding sensors or manually and / or automatically by means of sampling.

[0061] Coal K output from at least one mill 5 is combined with primary air L P Together to the burners 7 in the furn...

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Abstract

The invention relates to a method and a device for regulating a process within a system with pre-processing of a raw material, utilization of the pre-processed raw material, and detection of the result of the utilization of the pre-processed raw material, comprising the following steps: detecting input variables and output variables of the pre-processing (2, 4); detecting output variables of the utilization of the pre-processed raw material (6); creating a first, second and third process model for in each case at least two different timescales, which models describe the effects of adapting the pre-processing of the raw material (10), the effects of adapting the utilization of the pre-processed raw material (12) or the effects of adapting the pre-processing of the raw material (10) and of adapting the utilization of the pre-processed raw material (12) on the output variables of the utilization of the pre-processed raw material; the process being regulated within the system according to the predictions of the process model which currently delivers the best predictions for the process within the system.

Description

technical field [0001] The invention relates to a method and a device for regulating a process in a system, in particular a combustion process in a power station, wherein the process to be regulated includes the pretreatment of raw material, the utilization of the pretreated raw material and the Detection of utilization results of pretreated raw materials. Background technique [0002] EP 1 364 163 B1 discloses a method and a device for controlling a combustion process, in which state variables indicating the state of the system in the boiler are measured by means of sensors in boilers of coal-fired power stations or waste incinerators, in which sensors are connected These state variables are compared in the computer with the optimization target in terms of pollutant concentration, and the regulating means connected to the computer forming a control loop for regulation are controlled in order to carry out the applicable regulating actions in the system. Determining a proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23N1/00
CPCG05B13/00G05B13/048F23K2200/00F23N1/002F23N2229/20F23N2239/02F23N2225/26F23N2221/10F23N2223/36F23G5/50F23G2207/10F23G2207/20F23N5/003F23N5/184
Inventor M·翁
Owner AIXPROCESS