CN210333020U

CN210333020U - Wet electrostatic dust collector

Info

Publication number: CN210333020U
Application number: CN201921183785.5U
Authority: CN
Inventors: 臧海; 赵成军; 刘欣; 刘世龙; 刘丙全
Original assignee: Langfang Fanhua Petrochemical Equipment Co ltd
Current assignee: Langfang Fanhua Petrochemical Equipment Co ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-17
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a wet electrostatic precipitator device, including the device body, be located the inside pipe of gathering dust of device body with be located gather dust intraductal corona electrode gathers dust, gather dust the pipe have first opening and be less than first open-ended second opening, first opening part is provided with the orientation the inner wall of tub of gathering dust sprays the spray set of flushing fluid and is used for producing and to gather dust the clear sediment device of sound wave deashing of intraductal output sound wave, second open-ended below is provided with the ash bucket, just the opening of ash bucket is greater than the second opening. So set up, this wet electrostatic precipitator device can reduce the adhesive force of dust particle on the pipe sheet that gathers dust, can thoroughly drive the dust particle on the pipe sheet that gathers dust, and the effect is very obvious. And moreover, dust particles are basically not generated on the dust collection tube plate after cleaning, so that the influence of the dust particles on the intensity of an electrostatic field is weakened, and the dust removal effect is further enhanced.

Description

Wet electrostatic dust collector

Technical Field

The application relates to the technical field of electrostatic dust removal, and more particularly relates to a wet electrostatic dust removal device.

Background

Electrostatic dust removal is one of the methods of gas dust removal. The dust-containing gas is electrically separated when passing through a high-voltage electrostatic field, and dust particles and negative ions are combined to be charged negatively and then tend to discharge on the surface of the anode to be deposited. In the metallurgical, chemical and other industries to purify gases or recover useful dust particles. A dust collecting method in which gas is ionized by an electrostatic field to thereby electrically adsorb dust particles to an electrode. In a strong electric field, air molecules are ionized into positive ions and electrons, and the electrons encounter dust particles in the process of running to the positive electrode, so that the dust particles are negatively charged and adsorbed to the positive electrode to be collected.

The existing wet electrostatic dust collector is to make the gas with dust particles pass through a high-voltage electric field, the gas is ionized when passing through the high-voltage electric field, and moves to a dust collecting tube plate (anode tube plate) under the action of the electric field force, and the gas collides with the dust particles and salt particles during the movement, so that the dust particles and the salt particles are charged with negative electricity, the charged dust particles also move to the dust collecting tube plate under the action of the electric field force, and after reaching the dust collecting tube plate, the charged electrons are emitted, and the dust particles are deposited on the dust collecting tube plate, and then the dust collecting tube plate is cleaned by adopting a method of spraying scouring liquid (mostly water), and the dust particles captured on the dust collecting tube plate are scoured to a dust hopper to be discharged. However, the cleaning effect is not obvious due to small spraying impact force, and a plurality of dust particles are also arranged on the dust collection tube plate, and the existence of the dust particles directly influences the discharge of high-voltage corona of the wet electrostatic dust collection device, influences the electrostatic field intensity and influences the subsequent electrostatic dust collection effect.

Therefore, how to solve the problems that the cleaning effect of the existing dust collecting tube plate is not obvious, and more dust still adheres to the dust collecting tube plate during washing to influence the dust removing effect is a key technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

For overcoming the problems existing in the related art to at least a certain extent, the application aims to provide a wet electrostatic dust collection device, which can solve the problems that the cleaning effect of the existing dust collection tube plate is not obvious, more dust is still attached during washing, and the dust collection effect is influenced.

The application provides a wet electrostatic precipitator device, including the device body, be located the inside tub and the corona electrode that gathers dust of device body, the tub that gathers dust has first opening and is less than first open-ended second opening, first opening part is provided with the orientation the inner wall of tub that gathers dust sprays the spray set of scouring fluid and is used for producing and to gather dust the clear sediment device of sound wave deashing of intraductal output sound wave, second open-ended below is provided with the ash bucket, just the opening of ash bucket is greater than the second opening.

Preferably, the sound wave ash removal and slag removal device is a sound wave ash removal device, and an output port of the sound wave ash removal device faces the dust collection pipe.

Preferably, the output port of the acoustic wave ash remover is set to be a bell mouth.

Preferably, the maximum opening of the flare is larger than the first opening.

Preferably, the dust collecting pipe is arranged vertically.

Preferably, the dust collecting pipe is provided with a plurality of dust collecting pipes in parallel, and each dust collecting pipe is internally provided with the corona electrode.

Preferably, the first opening of each dust collecting pipe is correspondingly provided with one sound wave ash and slag removing device.

Preferably, a plurality of the dust collecting pipes are of an integrated structure.

Preferably, the device body is further provided with a gas inlet for gas to enter and a gas outlet for gas to be discharged, the gas inlet is communicated with the second opening, and the gas outlet is communicated with the first opening.

Preferably, the corona electrode is provided as an electrode rod penetrating inside the dust collecting pipe.

The technical scheme provided by the application can comprise the following beneficial effects:

the sound wave ash removing and slag removing device is arranged at the first opening of the dust collecting pipe and used for reducing the adhesive force of dust on the dust collecting pipe, and the sound wave ash removing and slag removing device can generate sound waves and output the generated sound waves to the inside of the dust collecting pipe. Specifically, this sound wave deashing slag removal device can output sound energy to pass through the medium and transmit the sound energy to dust particle department, the sound wave plays the sound to cause the fatigue effect to dust particle, because the repeated action of sound wave oscillation, the load that applies to the extrusion cyclic variation of dust particle, when reaching certain cyclic stress number, the structure of dust particle is destroyed because of fatigue, and then reduces the adhesive force of dust particle on the pipe plate that gathers dust, the dust is along with the flow of scouring liquid under the effect of gravity and scouring liquid, easily clears away the dust and goes out the pipe plate surface that gathers dust, reach the deashing and remove the slag effect.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the present wet electrostatic precipitator apparatus, shown in accordance with certain exemplary embodiments;

in the figure: 1-sound wave deashing and slag removing device, 2-spraying device, 3-corona electrode, 4-dust collecting pipe and 5-ash bucket.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1, the present embodiment provides a wet electrostatic dust collector, which includes a main body, a dust collecting pipe 4 and a corona electrode 3 are disposed inside the main body, wherein a dust collecting channel for gas to pass through is disposed inside the main body, the dust collecting pipe 4 and the corona electrode 3 are disposed in the dust collecting channel, so that gas can pass through the dust collecting pipe 4 when flowing through the dust collecting channel, and gas can flow from one end of the dust collecting channel to the other end only through the dust collecting pipe 4, so as to achieve dust removal of the gas flowing through; corona electrode 3 sets up in the inside of tub 4 that gathers dust, and corona electrode 3 keeps the certain distance with the inner wall of tub 4 that gathers dust to form high tension electric field between corona electrode 3 and tub 4 that gathers dust behind the feasible connection power, when gaseous passing through, the dust particle in the gas can be attached to tub 4 that gathers dust, and then removes dust with the air.

The dust collecting pipe 4 is provided with a first opening and a second opening, wherein the first opening is higher than the second opening so that the dust collecting pipe 4 is inclined or vertically arranged, a spraying device 2 and an acoustic wave ash and slag removing device 1 are arranged at the position of the first opening, wherein the spraying device 2 is used for spraying flushing liquid and flushing the inside of the dust collecting pipe 4, the spraying opening of the spraying device 2 faces the inner wall of the dust collecting pipe 4 so that the sprayed flushing liquid can flush the inner wall of the dust collecting pipe 4, as dust in gas is attached to the inner wall of the dust collecting pipe 4, the flushing on the inner wall of the dust collecting pipe 4 can remove the dust, and further the dust collecting pipe 4 can ensure good adsorption performance, the dust can be adsorbed again, the dust can be prevented from being blocked, and as the dust collecting pipe 4 is inclined or vertically arranged, the dust can be flushed under the action of the flushing liquid under the action of gravity, the first opening of the dust collection pipe 4 can move to the second opening, which is beneficial to washing the dust collection pipe 4. In particular, the flushing liquid may be provided as water, while the spraying device 2 comprises a water pipe and a spray header.

The sound wave ash and slag removing device 1 is used for reducing the adhesive force of dust on the dust collecting pipe 4, and the sound wave ash and slag removing device 1 can generate sound waves and output the generated sound waves to the interior of the dust collecting pipe 4. Specifically, this sound wave deashing slag removal device 1 can output sound energy to pass through the medium to dust particle department, the sound wave plays the sound to dust particle and causes the fatigue effect, because the repeated action of sound wave oscillation, exert in the load of the extrusion cyclic variation of dust particle, when reaching certain cyclic stress number, the structure of dust particle is destroyed because of fatigue, and then reduce the adhesive force of dust particle on the pipe 4 board that gathers dust, dust is along with the flow of scouring liquid under the effect of gravity and scouring liquid scouring force, easily clear away the dust and gather dust out the pipe 4 board surface that gathers dust, reach the deashing and remove the sediment effect.

Of course, the specific form of the sonic wave generated by the sonic wave ash and slag removing device 1 is not limited herein, and may be that the sound wave is generated in the dust collecting pipe 4 by mechanical rapping, such as rapping a sheet, a bell-shaped structure or the dust collecting pipe 4, or by a sound wave generator.

Compared with the prior art, the wet electrostatic dust collector designed in the prior art has no other equipment for removing ash and slag, the adhesion force of dust on the dust collecting pipe is large, the dust is difficult to wash off from the dust collecting pipe plate only by the gravity of dust particles and the washing flow of the washing liquid of the spraying device, and the washing force of the washing liquid sprayed by the spraying device is small, the washing force is small, and the effect is not obvious. After the sound wave ash and slag removing device 1 is added, the adhesive force of dust particles on the dust collecting pipe 4 is greatly reduced due to the repeated action of sound wave oscillation, so that the dust particles on the plate of the dust collecting pipe 4 can be easily cleaned without too large flushing force. After the sound wave ash and slag removing device 1 is added, the dust collecting pipe 4 is thoroughly cleaned, and the cleaning effect is very obvious.

An ash bucket 5 is arranged below the second opening of the dust collection pipe 4, the ash bucket 5 is used for collecting the flushing liquid and dust flowing out of the dust collection pipe 4, specifically, the opening size of the ash bucket 5 is larger than that of the second opening of the dust collection pipe 4, so that the flushing liquid and the dust flowing out of the second opening can be collected in the ash bucket 5, and the dust is prevented from being diffused into the air again.

So set up, this wet electrostatic precipitator device can reduce the adhesive force of dust particle on 4 boards of pipe that gathers dust, can thoroughly clear away the dust particle on 4 boards of pipe that gathers dust, and the effect is very obvious. Moreover, the board of the dust collecting pipe 4 after cleaning is basically free of dust particles, so that the influence of the dust particles on the intensity of the electrostatic field is weakened, and the dust removing effect is further enhanced.

In the embodiment, the sound wave ash-cleaning and slag-cleaning device 1 is arranged as a sound wave ash-cleaning device, specifically, the output port of the sound wave ash-cleaning device faces the dust collecting pipe 4, so that the output sound wave can be output into the dust collecting pipe 4, specifically, the sound wave ash-cleaning device takes compressed air as the energy of the sound wave, generates resonance in a resonant cavity, converts the potential energy of the compressed air into low-frequency sound energy, transmits the sound energy to the dust particles in the dust collecting pipe 4 through an air medium, the sound wave has a sound fatigue effect on the dust particles, due to the repeated action of sound wave oscillation, the load which is applied to the extrusion cycle change of the dust particles reaches a certain cycle stress frequency, the structure of the dust particles is damaged due to fatigue, so that the adhesive force of the dust particles on the plate of the dust collecting pipe 4 is reduced, under the action of gravity and scouring liquid, the dust can be easily cleaned out of the surface of the dust collecting pipe 4 along with the flow of, the effects of cleaning ash and slag are achieved.

Wherein, the delivery outlet of sound wave deashing ware sets up to the horn mouth, and the cross sectional area of this horn mouth is along being close to the direction of tub 4 that gathers dust and increase gradually, like this, can enlarge the sound wave of sound wave deashing ware output through the structure of horn mouth, is favorable to gathering dust the dust in the tub 4 and drive, saves the power of sound wave deashing ware simultaneously.

Further, the size of the maximum opening of the horn mouth is larger than that of the first opening of the dust collection pipe 4, so that sound waves output by the sound wave ash removal device can be received at each position of the first opening, sound waves exist at each position in the dust collection pipe 4, dust is favorably affected by the sound waves, and the adhesive force of the dust on the dust collection pipe 4 is reduced.

In some embodiments, the dust collecting pipe 4 is vertically arranged, so that the friction force of dust and flushing liquid on the surface of the dust collecting pipe 4 can be reduced, the dust is favorably separated from the dust collecting pipe 4 along with the flushing liquid under the action of gravity, and the flushing effect is further ensured.

Wherein, tub 4 that gathers dust is provided with a plurality ofly side by side, this a plurality of tub 4 that gathers dust are covered with in the dust removal passageway, must gather dust tub 4 through the passageway that just can pass through that gathers dust, moreover, all be provided with corona electrode 3 in each tub 4 that gathers dust, so that all form the electric field in each tub 4 that gathers dust, a plurality of tub 4 that gather dust form gaseous reposition of redundant personnel, be favorable to increasing tub 4 that gathers dust and gaseous area of contact, be favorable to adsorbing the dust in the gas in tub 4 that gathers dust.

Moreover, all set up a sound wave deashing scarfing cinder device 1 at the first opening part of each pipe 4 that gathers dust, like this, each sound wave deashing scarfing cinder device 1 carries out the sound wave output to each pipe 4 that gathers dust respectively, is favorable to guaranteeing all to receive the influence of sound wave in every pipe 4 that gathers dust, and then guarantees the accuracy of sound wave deashing scarfing cinder device 1 one-to-one, avoids the sound wave to spread in the device body, and then leads to the noise generation.

Here, set up a plurality of pipes 4 that gather dust into integral type structure, specifically, can set up a main part that gathers dust to set up a plurality of through-holes in this main part that gathers dust, in order to form a plurality of pipes 4 that gather dust, like this, the dismouting of being convenient for, processing and maintenance are favorable to guaranteeing structural integrity, reduce the accident rate.

In some preferred schemes, an air inlet and an air outlet are arranged on the device body, a dust removing channel for air to flow is formed between the air inlet and the air outlet, moreover, the air inlet is communicated with the second opening of the dust collecting pipe 4, the air outlet is communicated with the first opening of the dust collecting pipe 4, and the air inlet and the air outlet are not communicated with each other, so that the air flowing into the device body flows in the dust collecting pipe 4 from bottom to top; therefore, in the dust collection pipe 4, the flowing direction of the gas is opposite to that of the flushing liquid, so that dust in the gas can be fully contacted with an electric field in the dust collection pipe 4 and can be fully decomposed under the action of the electric field, and the dust removal efficiency of the gas can be improved.

Specifically, the corona electrode 3 is arranged as an electrode rod which is arranged in the dust collecting pipe 4 in a penetrating mode, so that the area of an electric field formed between the corona electrode 3 and the dust collecting pipe 4 is increased, and the dust removing effect is guaranteed.

It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another. The stated "horizontal", "vertical", "up" and "down" are indicated when the wet electrostatic precipitator is in the state of being placed as shown in fig. 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. The utility model provides a wet electrostatic precipitator device, is including the device body, be located the inside pipe (4) of gathering dust of device body and being located gather dust corona utmost point (3) in pipe (4), a serial communication port, tub (4) of gathering dust has first opening and is less than first open-ended second opening, first opening part is provided with the orientation the inner wall of tub (4) of gathering dust sprays spray set (2) of scouring fluid and be used for producing and to gather dust sound wave deashing of output sound wave in pipe (4) and remove the sediment device (1), second open-ended below is provided with ash bucket (5), just the opening of ash bucket (5) is greater than the second opening.

2. A wet electrostatic precipitator according to claim 1, wherein the sonic ash-cleaning and slag-removing device (1) is configured as a sonic ash-cleaner, the outlet of which faces into the dust-collecting pipe (4).

3. The wet electrostatic precipitator of claim 2, wherein the outlet of the sonic ash cleaner is configured as a bell mouth.

4. A wet electrostatic precipitator as claimed in claim 3, wherein the maximum opening of said bell mouth is larger than said first opening.

5. A wet electrostatic precipitator according to claim 1, wherein the dust collecting pipe (4) is arranged vertically.

6. A wet electrostatic precipitator according to claim 5, wherein a plurality of dust collecting pipes (4) are arranged side by side, and the corona electrode (3) is arranged in each dust collecting pipe (4).

7. A wet electrostatic precipitator according to claim 6, wherein one acoustic wave ash and slag removal device (1) is correspondingly arranged at each of the first openings of the dust collecting pipes (4).

8. A wet electrostatic precipitator according to claim 6, wherein a plurality of said dust collecting pipes (4) are of an integral structure.

9. The wet electrostatic precipitator of claim 1, wherein the precipitator body further comprises a gas inlet for gas to enter and a gas outlet for gas to exit, the gas inlet being in communication with the second opening and the gas outlet being in communication with the first opening.

10. A wet electrostatic precipitator according to claim 1, wherein the corona electrode (3) is provided as an electrode rod inserted inside the dust collecting pipe (4).