An electrostatic precipitator with triangular arrangement of multi-corona wires and a convex-convex electrode plate
A dust collection plate and electrostatic precipitator technology, applied in the field of electric precipitator, can solve the problem of low particle collection efficiency, achieve the effect of saving electric energy and improving collection efficiency
Active Publication Date: 2017-09-12
XI AN JIAOTONG UNIV
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However, the collection efficiency of sub-micron particles is relatively low, and can only reach between 70% and 80%.
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0020] As shown in 1, the present invention is an electrostatic precipitator with a triangular arrangement of multi-corona wires and a convex-concave electrode plate, including an upper dust collecting electrode plate 1 and a lower dust collecting electrode plate 2, the upper dust collecting electrode plate 1 and the lower dust collecting pole plate 2 are convex and concave, and also include the main corona wire 3 arranged in the middle position between the upper dust collecting pole plate 1 and the lower dust collecting pole plate 2. Two primary auxiliary corona wires 4 and two secondary auxiliary corona wires 5 in the direction of the rear, the cross section of the two primary auxiliary corona wires 4 and two secondary auxiliary corona wires 5 is the same as that of the main corona The cross-section of the wire 3 forms a triangular ...
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An electrostatic precipitator with triangular arrangement of multiple corona wires and a convex-convex electrode plate, including an upper dust-collecting electrode plate and a lower dust-collecting electrode plate, the upper dust-collecting electrode plate and the lower dust-collecting electrode plate are convex-concave, It also includes the main corona wire arranged in the middle between the upper dust collection plate and the lower dust collection plate, two primary auxiliary corona wires and two secondary Level auxiliary corona wires, the cross sections of the two first level auxiliary corona wires and the two second level auxiliary corona wires form a triangular arrangement with the cross section of the main corona wires; the upper dust collection pole plate and the lower dust collection pole The plate is grounded, and the two first-level auxiliary corona wires and two second-level auxiliary corona wires are loaded with DC negative high voltage; the triangular arrangement of the convex-concave dust collection plate and the multi-corona wire effectively changes the dust removal space. Flow field and electric field conditions, thereby improving the collection efficiency of submicron particles.
Description
technical field [0001] The invention relates to an electric precipitator, in particular to an electric precipitator with triangular arrangement of multiple corona wires and a convex-convex type electric dust collector. Background technique [0002] In recent years, my country's air pollution has become more and more serious, especially submicron (5um and below) particles are more prominent. Most of the dust collectors in my country's power plants are electrostatic precipitators. The existing electrostatic precipitators have a high collection efficiency for large particle diameter dust (above 5um in diameter), and the total efficiency can reach more than 99.9%. However, the collection efficiency for sub-micron particles is relatively low, and can only reach between 70% and 80%. With the continuous improvement of the national pollutant discharge standards, most of the existing electrostatic precipitators need to improve their dust removal efficiency, especially to enhance the...
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IPC IPC(8): B03C3/40B03C3/41B03C3/47
Inventor 刘继平刘鹏坤邢秦安严俊杰种道彤王进仕刘明陈伟雄
Owner XI AN JIAOTONG UNIV