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Dongguan Yuchen Machinery Technology Co., Ltd. Industrial dust removal equipment manufacturers provide industrial dust extraction equipment, dust collector equipment, industrial dust collector equipment, grinding dust removal equipment, polishing dust removal equipment, workshop dust removal equipment, and provide a complete set of design solutions for workshop dust treatment plant dust treatment Quotation, see on-site service
Dongguan Yuchen Industrial Dedusting Equipment Manufacturer
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Structure and working principle of electrostatic precipitator


Structure and working principle of electrostatic precipitator : The main structure of the electrostatic precipitator is a steel structure, all of which are welded with profiled steel. The outer surface is covered with a skin and insulation material, which is easy to design, manufacture and install. The structural design adopts a layered form, each block is composed of multiple frame-type main beams, and the main beams are connected by the main beams. In order to install the skin and the insulation layer, the secondary beams are welded between the main beams. For such a large structure How to make a physical connection, the workload and the number of units are large. According to the actual design requirements of the project and the design of the main structure of the electrostatic precipitator, the structural strength, structural stability and maximum displacement of the suspended cathode plate main beam are mainly studied. For local areas, the fatigue of the cathode plate and the main beam under long-term cyclic impact is mainly studied. Damage. Selection of the optimal frequency of soot dust on the cathode plate: the connection between the skin (thin plate) on the structure surface and the primary and secondary beams under wind load, and the best choice of stiffness between the two.


Structure and working principle of electrostatic precipitator :


The electrostatic precipitator is mainly composed of a corona electrode (cathode), a dust collecting electrode (anode) and a vibration system. When the electric dust collection device is powered on, an electric field is formed between the corona electrode and the dust collection electrode, and the flue gas dust enters the dust collection. After the device is ionized under the action of an electric field, the charged dust is led to the dust collection electrode and the corona electrode one by one. By shaking the lever, the dust falls into the ash bucket to collect the dust.


静电除尘设备结构和工作原理


At present, the power supply of electrostatic precipitator generally uses power frequency SCR power. The circuit structure is: after the thyristor phase shifts the control amplitude, the two-phase power frequency power is sent to the rectifier transformer for step-up rectification to form a 100 Hz pulsating current dust collector. The high-frequency power supply is a dedusting device that converts a three-phase industrial frequency power supply to direct current through rectification, forms a high-frequency alternating current through an inverter circuit, and forms a high-frequency pulsating current after step-up rectification by a rectifier transformer. Its working frequency is about 20 kHz.


Electrostatic dedusting equipment structure and working principle The power supply current of the high frequency power supply is composed of a series of narrow pulses with adjustable pulse amplitude, width and frequency. It can provide various voltage waveforms for the electrostatic precipitator and the control method is flexible. The working condition of the precipitator provides the most suitable voltage waveform, thereby improving the dust removal efficiency of the electric precipitator, improving the power supply efficiency, and saving electrical energy.


Related recommendation: Introduction of electrostatic precipitator


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