Electric dust collector
An electric dust collection and dust collection technology, which is applied in electrostatic separation, electrode cleaning and other directions, can solve the problems of poor dust collection efficiency, reduced dust capture rate of dust collection plates, and cost and time required to replace the brush mechanism. The effect of dust collection rate
Active Publication Date: 2014-09-03
三菱动力环保有限公司
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- Description
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Problems solved by technology
If the amount of wear of the brush increases, the amount of dust falling by the brush decreases, and the dust capture rate of the dust collecting plate decreases, resulting in poor dust collection efficiency
In addition, replacing the brush mechanism requires cost and time
Method used
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Embodiment Construction
[0048] figure 1 It is a cutaway perspective view of a part of the overall structure of the embodiment of the present invention. For the same as described in the background technology Figure 6 to Figure 8 Parts shown with the same symbols indicate the same components.
[0049] exist figure 1Among them, the exhaust gas (dust-containing gas) 17 introduced into the casing 12 from the inlet 16 is dust-removed by the principle of electric dust collection, and is discharged from the outlet 18 . Dust (dust) captured by the moving electrodes falls into the funnel 13 and is taken out by a mechanism not shown. As indicated by marks 15a and 15b, two sets of moving electrodes are arranged along the flow direction of the dust-laden gas in the housing 12 . Among them, according to the dust collection capacity, more than two groups of mobile electrodes can also be arranged.
[0050] In the upstream region 1 of the gas flow path which is the dust collection region in the housing 12, mo...
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The present invention provides an electric dust collector that can maintain a high dust collection rate while minimizing brush wear, thereby achieving a long brush life. The electric dust collector has: a casing that allows dust-containing gas to flow from the gas inlet to the outlet; a plurality of discharge electrodes suspended in the gas flow path that becomes the dust collection area in the casing; and movable electrodes that pass through A plurality of dust collecting pole plates hanging from the paired annular chains are formed into an annular shape and are surrounded by a brush mechanism for brushing the surface of the surrounding dust collecting pole plates at a prescribed position; wherein the brush mechanism includes : a fixed brush that sweeps the dust collecting plate of the moving electrode arranged in an area with high dust concentration in the dust collecting area in the housing; and a rotating brush that sweeps the moving electrode arranged in an area with low dust concentration. The dust collecting plate of the electrode is brushed.
Description
technical field [0001] The present invention relates to an electric dust collecting device with moving electrodes, in particular to a device having a plurality of discharge electrodes suspended in a casing at predetermined intervals and a plurality of dust collecting plates surrounding and arranged near the discharge electrodes Electric dust collection device. Background technique [0002] This electric precipitator is known as an electric precipitator for removing dust in the boiler exhaust gas of a thermal power plant or various blast furnace exhaust gases for steelmaking. Below, according to Figure 6 to Figure 9 A brief configuration disclosed in Patent Document 1 will be described. [0003] exist Image 6 Among them, the moving electrode type electric dust collector 10 consists of a casing 12, a funnel 13 positioned at the bottom of the casing, a plurality of metal discharge racks (discharge electrodes) 14 and a plurality of metal moving electrodes 15 disposed in the c...
Claims
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IPC IPC(8): B03C3/74
Inventor 织田启吾安藤寻树白丸信彦早津昌树望月美彦
Owner 三菱动力环保有限公司