Electric dedusting vibration control system and control method
A control system, electrostatic precipitator technology, applied in electrostatic separation, electrode cleaning, etc., to avoid secondary dust and improve the effect and ability of dust removal
Active Publication Date: 2018-10-12
陕煤电力信阳有限公司
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Problems solved by technology
[0002]The dust removal of thermal power plants is one of the necessary process steps. After the necessary dust removal through electrostatic precipitator, the dust can usually be reduced to a controllable range; However, since the rappers in the electric field need to start vibrating according to the preset program, the usually set program is that the rappers in the electric field start to vibrate sequentially, so that the latter two electric fields, namely the four and five electric field anode rappers and the tank Plate vibrator becomes the main cause of secondary dust
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[0029] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0030] In a specific embodiment, the electrostatic precipitator rapping control system provided by the present invention is used in the electric precipitator equipment of a thermal power plant. Taking the electrostatic precipitator equipment with five levels of electric fields as an example, the equipment includes the first electric field, The second electric field, the third electric field, the fourth electric field and the fifth electric field, obviously, at this time, the fourth electric field is the second ...
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The invention provides an electric dedusting vibration control system and control method. Vibrators of the electric dedusting vibration control system circulate in a reciprocated mode with the singlevibration sequence as the base, and vibrate once in sequence independently according to the preset strategy in the single vibration sequence, and the vibrators vibrate within the preset time period once; and the preset strategy is that in the single vibration sequence, the vibrator which is started currently and the vibrator which is started with the adjacent time period are at least spaced by a dust remover chamber. According to the electric dedusting vibration control system and control method, sequential vibration of the vibrators is achieved by setting the operation time and waiting time of each vibrator, the problem that vibration of a penultimate order electric field and a last electric field of the same electric dedusting chamber and an outlet trough plate is conducted at the same time is avoided, and the problem of secondary dust raising caused by synchronous vibration of the last two stages of dust removers or the trough plate is solved.
Description
technical field [0001] The invention relates to the technical field of dust removal in thermal power plants, in particular to an electric dust removal rapping control system and control method for thermal power plants. Background technique [0002] Dust removal in thermal power plants is one of the necessary process steps. After the necessary dust removal by electrostatic precipitator, the dust can be reduced to a controllable range; however, since the rapper in the electric field needs to be started according to the preset Vibration, the usual setting procedure is that the rappers in the electric field start to rap in sequence, so that the last two electric fields, namely the anode rapper and the slot plate rapper of the fourth and fifth electric fields, become the main cause of secondary dust. Contents of the invention [0003] The object of the present invention is to provide a control system and control method for electric dust removal and rapping used in thermal power...
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Login to View More IPC IPC(8): B03C3/76
CPCB03C3/76
Inventor 周立国陈星曹焱
Owner 陕煤电力信阳有限公司