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Introduction of dust removal equipment for thermal power plants


According to the requirements of SO2 gas wet desulfurization and dust removal technology, the relevant introductions of thermal power plant dust removal equipment clearly stipulate that the country and coal-fired power plants should install corresponding units. According to incomplete statistics, more than 50% of coal-fired power plants in China have installed desulfurization facilities. More than 90% of the desulfurization device is a device that absorbs the principle of limestone combustion desulfurization. In the whole desulfurization process, liquid spray technology is required, and the dust removal effect is obvious.


火力发电厂除尘设备相关介绍

Introduction of dust removal equipment for thermal power plants. Many power plants use electrostatic precipitators, which allow the flue gas to pass through the 45 electric field, and then allow the flue gas to enter the desulfurization absorption tower. When the spray system is running, the remaining dust is further captured. Combining dry electrostatic precipitators with desulfurization devices, the entire flue gas dust removal rate can reach 99%. Currently, 65% of coal-fired power plants in China use this method to meet new flue gas emission standards.


However, with the further research of scientists, many scholars do not agree with this plan, because the dry type electrostatic precipitator captured by the dust removal flue gas static scheme has greatly increased, and the residual flue gas sulfur is easier to enter the strongly acidic environment than the flue gas desulfurization device As a result, the pump in the circulating desulfurization system and the harsh environment wear the spray system, forming various chemicals, which may seriously cause the heat exchanger to dry and block for a long time, resulting in the entire system being paralyzed.


The so-called movable electrode cleaner is a movable electrode cleaner. It is movable, and the entire dust collecting plate is connected by a series of independent bars. The entire vacuum cleaner plate works like a bicycle chain, with drive wheels mounted at both ends of the plate. The wheels are driven by external force to move the vacuum cleaner between the two wheels ... During the entire operation of the device, the most worrying part of the electrostatic precipitator is that the dust will appear corona, and the corresponding dust cannot be captured. After using mobile electrode removal technology.


Related introduction of dust removal equipment in thermal power plants Foreign dry-type electrode electrostatic precipitators and auxiliary electrode composite dual-electric technology have been widely used in large thermal power plants. It is through the different arrangements of auxiliary electrode dry electrostatic precipitators, which are installed in multiple round tubes Back of the discharge electrode. The electrode plates of the electrostatic precipitator are also combined into different combinations through different round tubes, which effectively increases the dust collection area of the precipitator.


With the development of auxiliary electrode technology, researchers have also developed a dual-zone dust removal technology based on auxiliary electrode technology. The auxiliary electrode and the electrode are respectively equipped with two sets of power sources, which can apply a higher voltage to the auxiliary electrode than the discharge electrode, provide a more comprehensive dust collection field strength, more convenient dust collection, higher overall dust removal efficiency, and more effective dust removal effect.


Related recommendations: Several models and uses of dust collector equipment


为大家带来的火力发电厂除尘设备相关介绍,更多火力发电厂设计方案欢迎致电400-622-6298! The above is the introduction of the dust removal equipment for thermal power plants brought by Yuchen dust removal equipment manufacturers. For more design plans of thermal power plants, please call 400-622-6298!

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