A wet electrostatic precipitator and its use method
A wet electrostatic precipitator and cathode line technology, which is applied in the directions of external electrostatic separator, electrostatic separation, electrode cleaning, etc., can solve the problems of difficult hoisting, poor uniformity of force on support beams, difficult maintenance, etc., so as to increase the effective dust collection area, The effect of reducing the blind area of flue gas and improving the efficiency of dust removal
Active Publication Date: 2016-06-08
SHANGHAI LONGKING ENVIRONMENTAL PROTECTION
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Problems solved by technology
[0006] 2. In the traditional plate-line pole matching method, the blind area at the tower wall is relatively large, about 8% to 10%;
[0007] 3. Difficult to install and overhaul
[0008] The traditional built-in wet electrostatic precipitator can significantly increase the effective dust collection area by increasing the number of electric fields and increasing the height of the plate, but as the electric field height increases, the load-bearing of the absorption tower increases accordingly, and the foundation The load-bearing design margin limits the height of the wet electrostatic precipitator; at the same time, the blind areas that appear in the traditional plate-line layout are generally treated by plugging, which in turn leads to an increase in the flow rate of the smoke in the electric field area , which is higher than the design value, which affects the dust removal efficiency; furthermore, the traditional plate-line installation method is difficult to hoist, the support beam has poor uniformity of force, and it is difficult to realize partitioned power supply and maintenance.
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[0051] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
[0052] In Embodiment 1 of the present invention, the wet electrostatic precipitator includes: a housing, a plurality of cylindrical anode plates, a plurality of cathode wire rings, anode plate washing nozzles, and cathode line washing nozzles; the plurality of cylindrical anode plates are in the form of Concentric and different diameter distribution; the cathode wire ring is an annular distribution of cathode wires, which is spaced apart from the cylindrical anode plate; the anode plate flushing no...
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The invention provides a wet electrostatic precipitator and its use method, wherein the wet electrostatic precipitator comprises: a housing, a plurality of cylindrical anode plates distributed concentrically and with different diameters, and a plurality of cathode wires spaced apart from the cylindrical anode plates Ring, anode plate washing nozzle, cathode wire washing nozzle; cathode wire includes four-level tip cathode wire, second-level tip cathode wire, acupuncture tip cathode wire; various cathode wires are arranged circularly in the cathode wire ring in the following manner: four Level tip cathode wire, acupuncture tip cathode wire, secondary tip cathode wire, acupuncture tip cathode wire; the anode plate flushing nozzles are arranged in a ring and are located above the cylindrical anode plate; the cathode line flushing nozzles are arranged in a ring and are located at Above the anode plate rinse nozzles. The wet electrostatic precipitator and the use method thereof provided by the present invention can increase the effective dust collection area of the anode plate, effectively reduce the blind area of smoke, realize uniform partitioning in the electric field, and ensure the efficient and stable operation of the wet electrostatic precipitator.
Description
technical field [0001] The invention relates to the field of dust removal, in particular to a wet electrostatic precipitator and a method for using the same. Background technique [0002] With the continuous improvement of the domestic thermal power industry's environmental protection emission requirements, the requirements for flue gas dust removal efficiency have also been further improved. Traditional dust removal methods, such as mechanical dust removal, bag dust removal, electric dust removal, and electric bag dust removal have been unable to meet the emission requirements. As a high-efficiency dust removal technology, wet electrostatic precipitator has been widely promoted. Wet electrostatic precipitator is an extension of dry electrostatic precipitator technology. Compared with traditional electrostatic precipitator, this technology optimizes the dust removal method. Wet electrostatic precipitator uses the water film on the surface of the plate to remove dust, without...
Claims
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IPC IPC(8): B03C3/16B03C3/78
Inventor高继贤范治国陈泽民阎冬洪小松
OwnerSHANGHAI LONGKING ENVIRONMENTAL PROTECTION