Combined type electric deduster

Abstract

The existing electric deduster at home and abroad has the defects that a design structure is reasonable; faults are produced frequently; and especially, heteropole separation distance errors are difficult to be controlled in installation construction and thus the heteropole separation distance errors largely exceed the standard frequently so that applied secondary voltage is greatly insufficient and it is influenced that dedusting efficiency reaches the standard. Aiming at the defects, the invention provides a combined type electric deduster. The combined type electric deduster is a combined type dust collecting device. A corona discharging pole wire and an anode plate are assembled accurately outside a box body of the combined type electric deduster and then internal parts of the combined type electric deduster are installed. Therefore, assembling errors can be limited to a minimal value; an anode plate dust collecting area is greatly improved simultaneously; a complex cathode wire framework suspension installation system and a complex cathode rapping ash removal device are left out so that sources of faults produced frequently are eliminated; and smoke dust emission concentration of the combined type electric deduster is reduced a value of 1 to 0mg / Nm<3>. The technology of the combined type electric deduster is suitable for large, middle and small electric dedusters.

Description

technical field [0001] The present invention relates to a dust collecting device in an electric precipitator for removing industrial dust particles, in particular to a dust collecting device with a combined frame structure of a transparent anode plate and a corona discharge electrode line applied in an electric precipitator electric field device. Background technique [0002] As we all know, at present, all kinds of dust removal equipment technologies such as electrostatic precipitator and bag filter in the environmental protection dust removal industry at home and abroad have a dust concentration of tens of mg / Nm 3 None of the above can completely remove the aerosol soot particles below 0.2 microns in industrial smoke and dust. At least 10 million tons of micron-sized aerosol soot particles are discharged into the atmosphere every year in my country. However, it is these micron-sized aerosol soot particles that With the characteristic of being suspended in the air for a lon...

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Problems solved by technology

[0036] 2. Since the anode plate frame and the cathode frame are large, the degree of deformation is large, the distance between the anode plate frame and the cathode wire frame is small, and the limitless device controls it, resulting in the distance between the anode plate frame and the cathode wire frame It is difficult to ensure that the error is within the allowable range!

[0037] 3. Because in the electrostatic precipitator, the anode plate frame and the cathode frame are independent systems, but the anode plate frame and the cathode frame are respectively crossed and combined to form a dust collection electric field. Since the anode plate frame and the cathode frame are respectively It is composed of multiple rows of common combinations. Since the cumulative tolerance correction of multi-row combinations is extremely difficult, it is even more difficult to ensure that the design tolerance of the pole spacing is up to standard!

[0038] 4. Due to the uneven distribution of gas in the electric field, the cross-section of the electric field is heated differently, resulting in uneven deformation of the electrode plate and the cathode wire frame, which will make the serious exceeding of the installation error of the distance between different poles more serious.

[0039] 5. The steel pipe used in the cathode wire frame, due to gravity, deflects and deforms the steel pipe at the top of the cathode wire frame, and when the reserved gap between the cathode wire and the frame is insufficient, it will cause bow-shaped deformation of the cathode wire

[0040] 6. In the past electrostatic precipitator, the anode and the cathode are vibrated by two sets of rapping devices, which are used to vibrate and clean dust independently. Since the rapping mechanism is installed in the electrostatic precipitator box, its failures are frequent Not only is it difficult to overhaul, but during the overhaul process, the electrostatic precipitator needs to be shut down. After waiting for three to four hours, the temperature in the electrostatic precipitator box drops below 50 degrees, and only personnel can enter the electrostatic precipitator box to carry out maintenance work. , which will cause a large number of shutdown accidents,

[0041] 7. In the past electrostatic precipitator, there is a huge cathode frame suspension installation system, which not only requires a set of extremely expensive cathode insulation bushing structure, but also needs to be equipped with a complex hot air purge anti-condensation system, especially The rapping and cleaning mechanism of the cathode system is more complicated than that of the anode rapping and cleaning system, which is the source of frequent accidents

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