A horizontal wet electrostatic precipitator spray online maintenance device

Abstract

The present invention proposes a horizontal wet electrostatic precipitator spray online maintenance device, including a water inlet main pipe, a water inlet branch, a connecting hose, a nozzle pipe, a nozzle and a top plate, the water inlet main pipe is connected to the water inlet branch through a plurality of first valves, two of the water inlet branches form a group of water inlet units, the water inlet units are arranged in a longitudinal interval, each group of water inlet units is provided with an auxiliary water inlet branch, the auxiliary water inlet branch is located between the two water inlet branches, the water inlet main pipe is connected to the auxiliary water inlet branch through a plurality of second valves, a plurality of three-way connecting pipes are connected between the water inlet branch and the auxiliary water inlet branch, the water outlet end of the three-way connecting pipe is connected to the connecting hose, the water outlet end of the connecting hose is connected to the nozzle pipe, and the water outlet end of the nozzle pipe is connected to the nozzle. The on-site installation and adjustment are convenient, and the online maintenance and replacement of the nozzle and the online maintenance of the spray pipe contamination can be realized to ensure the dust removal efficiency.

Description

[Technical field]

[0001] The invention relates to the technical field of spray systems, in particular to a horizontal wet electrostatic precipitator spray online maintenance device. [Background technology]

[0002] At present, the spray water inlet main pipe of the wet electrostatic precipitator is arranged outside the electric field, the spray water inlet branch and the nozzle are arranged inside the electric field, and the nozzle is connected to the water inlet branch through a thread to spray the inside of the electric field.

[0003] When the electric field is running, if the nozzle is clogged and worn, or the water inlet manifold is contaminated, it cannot be processed online. The contamination of the water inlet manifold is easy to cause nozzle clogging, and the nozzle clogging causes the anode plate and cathode line to be unable to be properly flushed, affecting the dust removal efficiency of the wet electrostatic precipitator and the service life of the anode plate and cathode line; the nozzle wear causes the spray effect to deteriorate, affecting the electric field discharge and the dust removal efficiency of the wet electrostatic precipitator. Therefore, an online maintenance device for horizontal wet electrostatic precipitator spray is proposed. [Summary of the invention]

[0004] The purpose of the present invention is to solve the problems in the prior art and to propose an online maintenance device for horizontal wet electrostatic precipitator spray, which can realize online maintenance and replacement of nozzles and online maintenance of spray pipe contamination to ensure dust removal efficiency.

[0005] To achieve the above-mentioned purpose, the present invention proposes an online maintenance device for spraying a horizontal wet electrostatic precipitator, comprising a water inlet main pipe, a water inlet branch, a connecting hose, a nozzle pipe, a nozzle and a top plate, wherein the water inlet main pipe is connected to the water inlet branch through a plurality of first valves, two of the water inlet branches form a group of water inlet units, the water inlet units are arranged in a longitudinal interval, and each group of water inlet units is provided with an auxiliary water inlet branch, the auxiliary water inlet branch is located between the two water inlet branches, the water inlet main pipe is connected to the auxiliary water inlet branch through a plurality of second valves, a plurality of three-way connecting pipes are connected between the water inlet branch and the auxiliary water inlet branch, the water outlet end of the three-way connecting pipe is connected to the connecting hose, the water outlet end of the connecting hose is connected to the nozzle pipe, the water outlet end of the nozzle pipe is connected to the nozzle, and the nozzle pipe is mounted on the top plate through a second fastener.

[0006] Preferably, the water inlet end of the connecting hose is connected to the water outlet end of the three-way connecting pipe through a flange, the first water inlet end of the three-way connecting pipe is connected to the auxiliary water inlet branch through a third valve, and the second water inlet end of the three-way connecting pipe is connected to the water inlet main pipe through a fourth valve.

[0007] Preferably, a plurality of connection seats are arranged on the top plate at intervals, the connection seats are distributed at equal intervals, and the nozzle pipe is installed in the connection seat by a second fastener.

[0008] Preferably, the water outlet end of the connecting hose is connected to the nozzle connecting pipe, and the connecting hose and the nozzle connecting pipe are connected via a flange and a first fastener.

[0009] Preferably, blind flanges are installed at both ends of the water inlet manifold and the auxiliary water inlet manifold.

[0010] The beneficial effects of the present invention are as follows: the present invention can realize online maintenance and replacement of nozzles through the coordination of the water inlet main pipe, water inlet branch pipe, auxiliary water inlet branch pipe, connecting hose, nozzle connecting pipe pipe, nozzle and top plate, thereby ensuring the normal and efficient operation of the electric field, the service life of the components in the electric field, and the dust removal efficiency; it can realize online maintenance of the contamination of the spray branch pipes, ensure the atomization effect of the spray, and ensure the dust removal efficiency; and it is convenient to install and adjust on site.

[0011] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings.

Brief Description of the Drawings

[0012] Figure 1 It is a top view structural schematic diagram of a horizontal wet electrostatic precipitator spray online maintenance device of the present invention;

[0013] Figure 2 yes Figure 1 Schematic diagram of the cross section along the AA direction;

[0014] Figure 3 yes Figure 2 An enlarged schematic diagram of part I. [Specific implementation method]

[0015] See also Figures 1 to 3The present invention discloses an online maintenance device for spraying a horizontal wet electrostatic precipitator, comprising a water inlet main pipe 1, a water inlet branch 2, a connecting hose 3, a nozzle pipe 4, a nozzle 5 and a top plate 7. The water inlet main pipe 1 is connected to the water inlet branch 2 through a plurality of first valves 9, two of the water inlet branches 2 form a group of water inlet units, the water inlet units are arranged at intervals in the longitudinal direction, an auxiliary water inlet branch 20 is provided in each group of water inlet units, the auxiliary water inlet branch 20 is located between the two water inlet branches 2, the water inlet main pipe 1 is connected to the auxiliary water inlet branch 20 through a plurality of second valves, a plurality of three-way connecting pipes 201 are connected between the water inlet branch 2 and the auxiliary water inlet branch 20, the water outlet end of the three-way connecting pipe 201 is connected to the connecting hose 3, the water outlet end of the connecting hose 3 is connected to the nozzle pipe 4, the water outlet end of the nozzle pipe 4 is connected to the nozzle 5, and the nozzle pipe 4 is mounted on the top plate 7 through a second fastener 8. The water inlet end of the connecting hose 3 is connected to the water outlet end of the three-way connecting pipe 201 through a flange, the first water inlet end of the three-way connecting pipe 201 is connected to the auxiliary water inlet branch 20 through a third valve, and the second water inlet end of the three-way connecting pipe 201 is connected to the water inlet main pipe 1 through a fourth valve. A plurality of connecting seats 71 are arranged at intervals on the top plate 7, and the connecting seats 71 are distributed at equal intervals. The nozzle pipe 4 is installed in the connecting seat 71 through a second fastener 8. The water outlet end of the connecting hose 3 is connected to the nozzle pipe 4, and the connecting hose 3 and the nozzle pipe 4 are connected through a flange and a first fastener 6. Blind flanges 10 are installed at both ends of the water inlet branch 2 and the auxiliary water inlet branch 20.

[0016] Working process of the present invention:

[0017] The invention discloses a horizontal wet electrostatic precipitator spraying online maintenance device, during use,

[0018] If the nozzle is clogged or worn, the bolts and nuts between the hose 3 and the nozzle pipe 4 and the nozzle pipe 4 and the top plate 7 can be removed, and the nozzle pipe 4 can be pulled out of the electric field for maintenance or replacement. The online maintenance and replacement of the nozzle can be realized to ensure the normal and efficient operation of the electric field, the service life of the components in the electric field, and the dust removal efficiency;

[0019] If the water inlet branch 2 is contaminated, the first valve 9 can be closed, and then the bolts and nuts between the water inlet branch 2 and the blind flange 10 can be loosened, the blind flange 10 can be removed, and then the first valve 9 can be opened, and the pollution in the pipe can be flushed clean with spray water with a certain pressure. Regular flushing is required, and the cycle is generally about 3 months. When maintaining the water inlet branch 2, the fourth valve between it and the three-way connecting pipe 201 is closed, and then the second valve and the third valve are opened. The auxiliary water inlet branch 20 and the three-way connecting pipe 201 can be used to continuously supply water to the connecting hose 3; it can realize online maintenance of the spray branch pipe contamination, ensure the spray atomization effect, and ensure the dust removal efficiency.

[0020] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.

Claims

1. A horizontal wet electrostatic precipitator spray online maintenance device, characterized in that: The invention comprises a water inlet main pipe (1), a water inlet branch (2), a connecting hose (3), a nozzle pipe (4), a nozzle (5) and a top plate (7); the water inlet main pipe (1) is connected to the water inlet branch (2) through a plurality of first valves (9); two water inlet branches (2) form a group of water inlet units; the water inlet units are arranged at intervals in the longitudinal direction; an auxiliary water inlet branch (20) is provided in each group of water inlet units; the auxiliary water inlet branch (20) is located between the two water inlet branches (2); the water inlet main pipe (1) is connected to the auxiliary water inlet branch (20) through a plurality of second valves; a plurality of three-way connecting pipes (201) are connected between the water inlet branch (2) and the auxiliary water inlet branch (20); the three-way connecting pipes (201) are connected to the auxiliary water inlet branch (2) and the three-way connecting pipes (202) are connected to the auxiliary water inlet branch (20). The water outlet end of the pipe (201) is connected to a connecting hose (3), the water outlet end of the connecting hose (3) is connected to a nozzle pipe (4), the water outlet end of the nozzle pipe (4) is connected to a nozzle (5), the nozzle pipe (4) is mounted on a top plate (7) via a second fastener (8), the water inlet end of the connecting hose (3) is connected to the water outlet end of the three-way connecting pipe (201) via a flange, the first water inlet end of the three-way connecting pipe (201) is connected to an auxiliary water inlet branch (20) via a third valve, the second water inlet end of the three-way connecting pipe (201) is connected to a water inlet branch (2) via a fourth valve, and blind flanges (10) are mounted at both ends of the water inlet branch (2) and the auxiliary water inlet branch (20); If the water inlet branch (2) is contaminated, the first valve (9) can be closed, the bolts and nuts between the water inlet branch (2) and the blind flange (10) can be loosened, the blind flange (10) can be removed, and the first valve (9) can be opened again, so that the contamination in the pipe can be washed away with spray water at a certain pressure. When maintaining the water inlet branch (2), it is necessary to close the fourth valve between the water inlet branch (2) and the three-way connecting pipe (201), open the second valve and the third valve, and use the auxiliary water inlet branch (20) and the three-way connecting pipe (201) to continuously supply water to the connecting hose (3).

2. A horizontal wet electrostatic precipitator spray online maintenance device as claimed in claim 1, characterized in that: A plurality of connection seats (71) are arranged at intervals on the top plate (7), the connection seats (71) are distributed at equal intervals, and the nozzle pipe (4) is installed in the connection seat (71) via a second fastener (8).

3. A horizontal wet electrostatic precipitator spray online maintenance device as claimed in claim 1, characterized in that: The water outlet end of the connecting hose (3) is connected to the nozzle connecting pipe (4), and the connecting hose (3) and the nozzle connecting pipe (4) are connected via a flange and a first fastener (6).

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