Limestone slurry supply control method, equipment and medium based on ga-lssvm
A limestone slurry and control method technology, applied in the direction of separation methods, chemical instruments and methods, genetic rules, etc., can solve the problems of over-learning, long training time, randomness of training results, etc., to reduce power consumption and wear, economical Good results
Active Publication Date: 2022-05-03
DATANG ENVIRONMENT IND GRP +1
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Problems solved by technology
When the load varies from 40% to 100%, the limestone supply of the existing limestone slurry supply system can be adjusted in real time as the load changes; when the load is lower than 40%, in order to avoid the deposition of slurry in the pipeline, now The limestone slurry supply system adopts the intermittent slurry supply method of starting and stopping the limestone slurry pump, and the limestone supply can no longer be adjusted in real time as the load changes, resulting in a large change in the pH value of the desulfurization system
[0007] There is also a method for predicting the amount of slurry supply based on a deep neural network. This method takes a long time to train, and the training results are random and may cause over-learning
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[0065] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0066] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "top", "bottom", "front", " Or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention relates to the technical field of wet desulfurization, in particular to a control method, equipment and medium for a limestone slurry supply system based on GA-LSSVM load forecasting. The limestone slurry supply control method based on GA‑LSSVM includes the following steps: using the GA‑LSSVM model to control SO 2 Concentrations are predicted, based on the predicted SO 2 concentration to obtain SO 2 load; according to SO 2 The load obtains the demand for limestone, and adjusts the supply of limestone slurry according to the demand for limestone. Use the established mathematical model to be able to SO 2 Concentrations are predicted, based on the predicted SO 2 concentration to obtain SO 2 load, according to the predicted SO 2 load, pre-adjust the slurry concentration, adjust the pH value of the slurry pool in real time, and realize the automation of the limestone slurry supply system. Compared with the remote backflow method, the present invention reduces the power consumption and wear of the pump, and has better economy, and can ensure the slurry supply pipe The road is not blocked.
Description
technical field [0001] The invention relates to the technical field of wet desulfurization, in particular to a limestone slurry supply system control method, equipment and medium based on GA-LSSVM load prediction. Background technique [0002] my country is a large coal-producing country, and the national economic power supply is mainly thermal power generation. Due to the emission of coal combustion and the formation of acid rain, it has brought great harm to the natural environment. Therefore, flue gas desulfurization has become a very important measure for my country's thermal power generation enterprises to protect the environment. In the desulfurization process, the limestone-gypsum wet flue gas desulfurization method has high desulfurization efficiency, mature technology, abundant absorbent resources and low price. It is the main form of flue gas desulfurization in my country. [0003] The limestone-gypsum wet flue gas desulfurization process uses limestone or lime as...
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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06B01D53/34B01D53/50B01D53/80G06N3/12
CPCG06Q10/04G06Q10/06315G06Q10/067G06Q50/06B01D53/346B01D53/502B01D53/80G06N3/126B01D2251/404B01D2251/606
Inventor 谷小兵陶君李建强孟磊宁翔李婷彦白玉勇魏建鹏闫欢欢徐贤蒋志容孟智超
Owner DATANG ENVIRONMENT IND GRP