Automatic combustion fuzzy control method and system for incinerator
A technology of fuzzy control and automatic combustion, applied in combustion methods, incinerators, combustion types, etc., can solve the problems of difficult combustion control, difficult to accurately mathematical models, etc., to reduce frequent interventions, solve rapid changes, and ensure stability.
Inactive Publication Date: 2016-10-12
EVERBRIGHT ENVIRONMENTAL PROTECTION TECH RES INST SHENZHEN CO LTD
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The automatic combustion control system of the waste incinerator is a system with variable parameters, many variables, and strong coupling between variables. The control variables of the control system include boiler steam load, furnace temperature, flue gas oxygen content, and thermal ignition loss rate. Among them, The boiler steam load, furnace temperature, and flue gas oxygen content have strong coupling characteristics. The flue gas oxygen content will cause changes in the furnace temperature, and the furnace temperature will affect the boiler steam load. Moreover, the response time of these variables also has There is a big difference, boiler steam load and thermal ignition loss rate are a large lag variable, furnace temperature and flue gas oxygen are variables that can respond quickly, so it is not easy to obtain an accurate mathematical model for accurate control, which is a waste incinerator The combustion control of domestic waste brings great difficulties
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[0032] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.
[0033] In order to provide a thorough understanding of the present invention, detailed method steps and / or structures will be set forth in the following description. It is evident that the practice of the invention is not limited to specific details familiar to those skilled in the art. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments besides these detailed descriptions.
[0034] It should be understood that the invention can be embodied in different forms and should not be ...
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The invention provides an automatic combustion fuzzy control method and system for an incinerator. The method comprises the steps that the detection input quantity sent by a detection device is received, and deviation between the detection input quantity and a set value and the change rate of deviation are calculated to serve as the input variable of fuzzy control; the input variable is fuzzified into the fuzzy input quantity, fuzzy reasoning and decision making are carried out based on the fuzzy input quantity so as to obtain the fuzzy output quantity, and the fuzzy output quantity is defuzzified into the control output quantity; and the control output quantity is output to a corresponding component controller of the incinerator so as to control running of the corresponding component of the incinerator, wherein the detection input quantity comprises the boiler steam load, and the control output quantity corresponding to the boiler steam load is boiler steam flow set data. According to the automatic combustion fuzzy control method and system, the fuzzy control strategy is adopted for controlling the boiler steam load to automatically control feed and combustion of garbage.
Description
technical field [0001] The invention relates to the incineration of garbage and other wastes, in particular to an automatic combustion fuzzy control method and system for an incinerator. Background technique [0002] my country's economic development and urbanization process have led to a substantial increase in the amount of urban domestic waste. Waste incineration power generation is an effective way to make waste harmless, reduce, and recycle waste. Waste incineration treatment can not only achieve environmental protection effects, but also waste heat from waste incineration It can generate steam for power generation, heat supply, energy saving, and it is a better resource recycling method. [0003] In the automatic control of waste incineration, the quality of the combustion control of the incinerator directly affects the operation status and steam output of the incinerator, which in turn affects the environmental protection emission indicators and the power generation of...
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IPC IPC(8): F23G5/50
CPCF23G5/50
Inventor 王健生蔡曙光陈涛黄明生胡建民邵哲如朱亮张二威钱中华洪益州曹伟杨应永高秀荣
Owner EVERBRIGHT ENVIRONMENTAL PROTECTION TECH RES INST SHENZHEN CO LTD