CN113649170B - Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof - Google Patents
Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof Download PDFInfo
- Publication number
- CN113649170B CN113649170B CN202110940822.8A CN202110940822A CN113649170B CN 113649170 B CN113649170 B CN 113649170B CN 202110940822 A CN202110940822 A CN 202110940822A CN 113649170 B CN113649170 B CN 113649170B
- Authority
- CN
- China
- Prior art keywords
- power supply
- dust
- disc
- sliding
- filter assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000428 dust Substances 0.000 title claims abstract description 156
- 230000005684 electric field Effects 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 87
- 239000000779 smoke Substances 0.000 claims abstract description 58
- 239000007921 spray Substances 0.000 claims abstract description 21
- 238000007790 scraping Methods 0.000 claims description 44
- 239000012716 precipitator Substances 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 15
- 239000012717 electrostatic precipitator Substances 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/66—Applications of electricity supply techniques
- B03C3/68—Control systems therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/76—Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention relates to the technical field of environment-friendly operation, in particular to an electric dust collector and an adjacent electric field mutual redundancy power supply system and method thereof; the electrostatic precipitator includes that the dust filter has relative first cavity and second cavity from top to bottom, and a plurality of negative plates and a plurality of corona wire are crisscross to be set up and slide with the dust filter, and the ash bucket is located dust filter below, and the pivot rotates with first disc, and the second disc is fixed with the pivot, and with first connecting piece integrated into one piece, slider sliding connection in the annular of first disc, and the second connecting piece rotates with first connecting piece, and is fixed with the slider, and the mounting panel is fixed with the second connecting piece, and the shower nozzle is fixed with the mounting panel. After the cathode plate is hit, the cathode plate and the corona wire slide into the first cavity, the rotating shaft rotates to drive the first disc and the first connecting piece to rotate, the sliding block slides along the circular groove, the spray head of the mounting plate rotates to spray water and clean dust to the dust filtering box, and smoke dust enters the dust hopper along with water flow, so that the dust removing effect is improved.
Description
Technical Field
The invention relates to the technical field of environment-friendly operation, in particular to an electric dust collector and an adjacent electric field mutual redundancy power supply system and method thereof.
Background
The electric dust remover is necessary matching equipment for smoke treatment of large-scale power plants, rotary kilns and industrial furnaces, has the functions of removing particle smoke dust in discharged smoke gas, thereby greatly reducing the amount of smoke dust discharged into an atmosphere, being important environmental protection equipment for improving environmental pollution and improving air quality, the working principle is that the smoke dust is positively charged, then the positively charged smoke dust is mutually adsorbed with a cathode electric plate, the particle smoke dust in the smoke gas is adsorbed on the cathode plate, the cathode plate is hit at regular time, the smoke dust with a certain thickness falls into an ash bucket below the structure of the electric dust remover under the dual action of dead weight and vibration, thereby achieving the purpose of removing the smoke dust in the smoke gas, but the smoke dust flies after hitting the cathode plate at present, is difficult to enter the ash bucket to collect and clean, and the dust removing effect is poor.
Disclosure of Invention
The invention aims to provide an electric dust collector and a mutually redundant power supply system and method of an adjacent electric field thereof, and aims to spray water to clean dust fall of a dust filtering box, so that smoke dust enters an ash bucket along with water flow, and the dust collection effect is improved.
In order to achieve the above object, in a first aspect, the present invention provides an electric precipitator, which includes an air inlet smoke box, a dust filtering box, an air outlet smoke box, an ash pipe, a first filtering component and a second filtering component, wherein the air inlet smoke box, the dust filtering box and the air outlet smoke box are sequentially communicated, the ash pipe is communicated with the dust filtering box and is positioned below the dust filtering box, the first filtering component and the second filtering component are positioned in the dust filtering box, and the dust filtering box is provided with a first cavity and a second cavity which are vertically opposite;
the first filtering component and the second filtering component comprise a plurality of cathode plates, a plurality of corona wires and a plurality of cleaning mechanisms, the cathode plates are in sliding connection with the dust filtering box, the cathode plates and the corona wires are arranged in a staggered mode and are positioned in the second cavity, and each cleaning mechanism is positioned between the adjacent cathode plates and the corona wires; the cleaning mechanism comprises a first disc, a rotating shaft, a second disc and a plurality of spraying pieces, wherein the first disc is in sliding connection with the dust filtering box, the first disc is provided with a circular groove, the rotating shaft is in rotating connection with the first disc and penetrates through the first disc, the second disc is fixedly connected with the rotating shaft, the spraying pieces are uniformly arranged in the circumferential direction of the second disc, each spraying piece comprises a first connecting piece, a sliding block, a second connecting piece, a mounting plate and a spray head, the first connecting piece is integrally formed with the second disc, the sliding block is in sliding connection with the first disc and is positioned in the circular groove, the second connecting piece is in rotating connection with the first connecting piece and is fixedly connected with the sliding block, the mounting plate is fixedly connected with the second connecting piece, and the spray head is fixedly connected with the mounting plate.
The dust box is used for sprinkling and dust-settling cleaning the dust filtering box, so that dust accumulation is avoided from scattering, and the dust removing effect is improved.
Wherein the electric dust collector also comprises four scraping components, the four scraping components are respectively positioned on the inner wall of the ash bucket, the scraping components comprise scraping plates and two elastic pieces, the scraping plate is in sliding connection with the ash bucket, is positioned in the ash bucket, is fixedly connected with the scraping plate and the ash bucket, and is positioned at one side far away from the dust filtering box.
The scraper blade is used for downwards moving the compression elastic piece to scrape dust on the inner wall of the ash bucket, and the elastic piece stretches to reset the scraper blade.
Wherein the scraper blade has a recess, the recess is located towards the side of dust filter box.
For storing running water to increase the weight of the scraper, so that the scraper moves downwards to scrape dust.
The scraping plate is further provided with a round hole, and the round hole is communicated with the groove.
The scraper is reset by discharging water after scraping dust.
The scraping assembly further comprises a wedge-shaped piece, a balancing weight and a connecting rope, wherein the wedge-shaped piece is in sliding connection with the ash bucket and extends out of the ash bucket, the wedge-shaped piece is provided with an inclined surface, the balancing weight is in contact with the inclined surface of the wedge-shaped piece to be propped against, one end of the connecting rope is fixedly connected with the scraping plate, and the other end of the connecting rope is fixedly connected with the balancing weight.
And the wedge-shaped piece is used for moving the wedge-shaped piece without contacting and supporting the balancing weight when the dust is insufficient for enabling the scraping plate to move downwards, and the balancing weight is pulled downwards to the scraping plate to scrape the dust.
The electric dust collector further comprises a plurality of filter bags, wherein the filter bags are communicated with the dust filtering box and the air outlet smoke box and are positioned between the dust filtering box and the air outlet smoke box.
The device is used for carrying out split-flow emission on clean smoke, and avoiding the influence of smoke accumulation on emission effect.
The electric dust collector further comprises a plurality of activated carbon layers, and the activated carbon layers are respectively located in the filter bags.
Is used for absorbing harmful and unpleasant smell and improving the safety and environmental protection of the fume emission.
In a second aspect, the present invention further provides an adjacent electric field mutual redundancy power supply system of an electric precipitator, including the electric precipitator according to the first aspect, and further including a first power supply module, a second power supply module and a control module, where the first power supply module and the second power supply module are connected with the control module;
the first power supply module is used for supplying power to the first filtering component;
the second power supply module is used for supplying power to the second filtering component;
the control module is used for respectively controlling the first power supply module to independently supply power to the first filter assembly when detecting that the first power supply module and the second power supply module are normal; the second power supply module independently supplies power to the second filtering component; and the first power supply module is used for controlling the second power supply module to supply power to the first filter assembly and the second filter assembly simultaneously when the first power supply module is detected to be in fault; and the first power supply module is also used for controlling the first power supply module to supply power to the first filter assembly and the second filter assembly simultaneously when the second power supply module is detected to be in fault.
In a third aspect, the present invention also provides a power supply method applied to the adjacent electric field mutual redundancy power supply system of the electric precipitator in the second aspect, including:
when the first electric field power supply and the second electric field power supply of the first filter assembly and the second filter assembly are detected to be normal, the first electric field power supply and the second electric field power supply are controlled to supply power to the first filter assembly and the second filter assembly respectively and independently;
when a first electric field power supply fault of the first filter assembly is detected, controlling a second electric field power supply to supply power to the first filter assembly and the second filter assembly simultaneously;
and when the second electric field power supply of the second filter assembly is detected to be in fault, controlling the first electric field power supply to supply power to the first filter assembly and the second filter assembly simultaneously.
According to the electric dust collector and the adjacent electric field mutual redundancy power supply system and method thereof, the dust filter box is provided with the first cavity and the second cavity which are vertically opposite, the cathode plates and the corona wires are arranged in a staggered mode and are in sliding connection with the dust filter box, the ash bucket is positioned below the dust filter box, the rotating shaft rotates with the first disc, the second disc is fixed with the rotating shaft and integrally formed with the first connecting piece, the sliding block is in sliding connection with the annular groove of the first disc, the second connecting piece rotates with the first connecting piece and is fixed with the sliding block, the mounting plate is fixed with the second connecting piece, and the spray head is fixed with the mounting plate. After the cathode plate is hit, the cathode plate and the corona wire slide into a first cavity, the rotating shaft rotates to drive the first disc and the first connecting piece to rotate, and the sliding block slides along the circular groove to enable the spray head of the mounting plate to rotate to spray water and clean dust from the dust filtering box, so that smoke dust enters the ash bucket along with water flow, and the dust removing effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an electric precipitator provided by the invention.
FIG. 2 is a schematic diagram of the structure of the filter bag and the activated carbon layer provided by the invention.
Fig. 3 is a schematic structural view of a dispersing assembly provided by the present invention.
Fig. 4 is a schematic view of the construction of the ash bucket and scraper assembly provided by the present invention.
Fig. 5 is a partial enlarged view a of fig. 4.
Fig. 6 is a schematic view of an alternative orientation of the ash bucket and scraper assembly provided by the present invention.
Fig. 7 is a schematic structural view of a scraping assembly provided by the present invention.
Fig. 8 is a schematic structural view of a first filter assembly and a second filter assembly provided by the present invention.
Fig. 9 is a partial enlarged view B of fig. 8.
Fig. 10 is a schematic structural view of a cleaning mechanism provided by the present invention.
Fig. 11 is a partial enlarged view C of fig. 10.
Fig. 12 is a schematic structural diagram of an adjacent electric field mutual redundancy power supply system of an electric precipitator.
In the figure: 100-electric precipitator, 1-air inlet smoke box, 2-dust filtering box, 3-air outlet smoke box, 4-first filtering component, 5-second filtering component, 6-filter bag, 7-active carbon layer, 8-lifting mechanism, 9-dispersing component, 21-first cavity, 22-second cavity, 41-cathode plate, 42-corona wire, 43-ash bucket, 44-cleaning mechanism, 45-scraping component, 81-sliding frame, 82-mounting piece, 83-rotating piece, 84-sliding column, 85-moving piece, 91-third disc, 92-first upright, 93-blade, 94-bracket, 95-second upright, 441-first disc 442-rotating shaft, 443-second disc, 444-spraying piece, 445-third connecting piece, 451-scraping plate, 452-elastic piece, 453-wedge piece, 454-balancing weight, 455-connecting rope, 811-annular chute, 812-straight chute, 813-perforation, 4411-circular groove, 4441-first connecting piece, 4442-sliding block, 4443-second connecting piece, 4444-mounting plate, 4445-nozzle, 4511-groove, 4512-circular hole, 4531-inclined plane, adjacent electric field mutual redundancy power supply system of 200-electric dust collector, 201-first power supply module, 202-second power supply module, 203-control module.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 12, in a first aspect, the present invention provides an electric precipitator 100, where the electric precipitator 100 includes an air inlet smoke box 1, a dust filtering box 2, an air outlet smoke box 3, an ash pipe 43, a first filtering component 4 and a second filtering component 5, where the air inlet smoke box 1, the dust filtering box 2 and the air outlet smoke box 3 are sequentially communicated, the ash pipe 43 is communicated with the dust filtering box 2 and is located below the dust filtering box 2, the first filtering component 4 and the second filtering component 5 are located in the dust filtering box 2, and the dust filtering box 2 has a first cavity 21 and a second cavity 22 which are opposite up and down;
the first filtering component 4 and the second filtering component 5 each comprise a plurality of cathode plates 41, a plurality of corona wires 42 and a plurality of cleaning mechanisms 44, the cathode plates 41 are in sliding connection with the dust filtering box 2, the cathode plates 41 and the corona wires 42 are staggered, and each cleaning mechanism 44 is positioned between the adjacent cathode plates 41 and corona wires 42; the cleaning mechanism 44 includes a first disc 441, a rotating shaft 442, a second disc 443, and a plurality of spraying pieces 444, where the first disc 441 is slidably connected with the dust filtering box 2, the first disc 441 has a circular groove 4411, the rotating shaft 442 is rotatably connected with the first disc 441 and penetrates through the first disc 441, the second disc 443 is fixedly connected with the rotating shaft 442, the plurality of spraying pieces 444 are uniformly disposed in a circumferential direction of the second disc 443, the spraying pieces 444 include a first connecting piece 4441, a slider 4442, a second connecting piece 4443, a mounting plate 4444, and a nozzle 4445, the first connecting piece 4441 and the second disc 443 are integrally formed, the slider 4442 is slidably connected with the first disc 441 and is located in the circular groove 4411, the second connecting piece 4443 is rotatably connected with the first connecting piece 4441 and is fixedly connected with the slider 4442, the second connecting piece 4444 is fixedly connected with the second connecting piece 4443, and the nozzle 4445 is fixedly connected with the mounting plate 4444.
In this embodiment, the air inlet smoke box 1 is used for discharging smoke and enters, and has a first inlet and a second inlet, the first inlet is smaller than the second inlet, the second inlet faces the dust filter box 2, the structure is arranged to shunt the discharged smoke entering the dust filter box 2, so that the smoke is uniformly adsorbed and dedusted by the dust filter box 2, and the dedusting effect is improved. The dust filtering box 2 is internally provided with a first filtering component 4 and a second filtering component 5 which are identical in structure, and the first filtering component 4 and the second filtering component 5 are sequentially arranged in the dust filtering box 2 and are used for dedusting. The air outlet smoke box 3 is used for discharging clean smoke. The corona wires 42 are connected to an external ionizer via an insulated pipe to release cations to positively charge the dust, and the cathode plate 41 is negatively charged to adsorb dust. The plurality of cathode plates 41 and the plurality of corona wires 42 are arranged in a staggered manner, so that the adsorption efficiency can be improved. The dust filtering box 2 is provided with a first cavity 21 and a second cavity 22 which are opposite to each other up and down, and a plurality of cathode plates 41 and a plurality of corona wires 42 are positioned in the second cavity 22 when smoke dust adsorption is carried out; when the operation of smoke adsorption is carried out for a preset time, smoke is accumulated, the vibration striking device arranged beside the cathode plates 41 vibrates and strikes the cathode plates 41 to enable dust to fall, the cathode plates 41 and the corona wires 42 slide into the first cavity 21, in the sliding process, the residual smoke on the cathode plates 41 and the corona wires 42 is scraped by the dust scraper arranged between the first cavity 21 and the second cavity 22, and then the dust is removed by the cleaning mechanism 44. Specifically, the rotating shaft 442 is connected to an output end of a motor, the rotating shaft 442 is driven to rotate, the motor is connected to an output end of an electric push rod, the electric push rod converts rotary motion into linear reciprocating motion, the electric push rod drives the motor to move up and down, the second disc 443 is fixedly connected with the rotating shaft 442, so as to drive the second disc 443 to rotate, and a plurality of spraying members 444 are arranged on a circumferential direction of the second disc 443 and are used for sprinkling and dust-settling cleaning. The first connecting piece 4441 and the second disc 443 are integrally formed, so that the first connecting piece 4441 rotates along with the first connecting piece 4441, the second connecting piece 4443 is rotationally connected with the first connecting piece 4441 and fixedly connected with the sliding block 4442, the mounting plate 4444 is fixedly connected with the second connecting piece 4443, the spray head 4445 is fixedly connected with the mounting plate 4444, the spray head 4445 is driven to rotate along with the rotation, the spray head 4445 is connected with a water tank to discharge water, the mounting plate 4444 rotates along with the second disc 443, the spray head 4445 sprays water in all directions to dust the dust filter box 2, the water flows flush dust into the dust hopper 43 for treatment, dust accumulation in the dust filter box 2 is reduced, the dust removal effect is improved, and after the dust filter box is cleaned, the dust filter box 1 can be dried by introducing warm air or drying devices in the dust filter box 2.
Further, the electric precipitator 100 further includes four scraping assemblies 45, the four scraping assemblies 45 are respectively located on the inner wall of the ash bucket 43, the scraping assemblies 45 include a scraping plate 451 and two elastic members 452, the scraping plate 451 is slidably connected with the ash bucket 43, and is located in the ash bucket 43, and the two elastic members 452 are fixedly connected with the scraping plate 451 and the ash bucket 43, and are located on a side far away from the dust filtering box 2. The blade 451 has a recess 4511, which recess 4511 is located on the side facing the dust box 2. The blade 451 also has a circular hole 4512, and the circular hole 4512 communicates with the recess 4511. The scraping assembly 45 further comprises a wedge 453, a balancing weight 454 and a connecting rope 455, the wedge 453 is in sliding connection with the ash bucket 43 and extends out of the ash bucket 43, the wedge 453 is provided with a bevel 4531, the balancing weight 454 is in contact with the bevel 4531 of the wedge 453, one end of the connecting rope 455 is fixedly connected with the scraper 451, and the other end of the connecting rope 455 is fixedly connected with the balancing weight 454.
In this embodiment, the scraping assembly 45 is used to scrape off dust accumulated on the inner wall of the ash bucket 43. The scraping plate 451 is slidably connected to the inner wall of the ash bucket 43, the elastic members 452 are springs, when no smoke treatment is performed yet, the two elastic members 452 are in an extended state, and the scraping plate 451 is located at one side close to the dust filtering box 2; after carrying out the smoke and dust and handling a period, vibration striking device carries out vibration striking and the smoke and dust dead weight drops and piles up on scraper blade 451 to negative plate 41, scraper blade 451 is kept away from one side removal atress compression two of dust filtering case 2 elastic component 452, strike off the accumulated smoke and dust of ash bucket 43 inner wall is cleared up, and the dust removal effect is better, works as shower nozzle 4445 watering is right after the smoke and dust on the scraper blade 451 is washed cleanly, scraper blade 451 gravity reduces, two elastic component 452 stretches and resets. In addition, the blade 451 has a groove 4511, and the groove 4511 is disposed on a side facing the dust box 2, so that the blade 451 can accumulate more dust, accelerate the increase of the gravity of the blade 451, and more quickly move the blade 451 downward to scrape the dust. In addition, the scraping plate 451 is further provided with a round hole 4512, the round hole 4512 is communicated with the groove 4511, the size of the round hole 4512 is far smaller than that of the groove 4511, namely, the spray head 4445 sprays water into the groove 4511, the water inlet speed of the groove 4511 is far greater than the water outlet speed of the round hole 4512, so that water flows into the groove 4511 to weigh the scraping plate 451, the dust is scraped off by sliding down quickly, after the dust is scraped off, the spray head 4445 stops spraying water, the water flows out through the round hole 4512, and the elastic piece 452 stretches to reset the scraping plate 451. In addition, the wedge 453 has a trapezoidal cross-sectional area with an upper bottom side, a lower bottom side, and a bevel side, the upper bottom side being shorter than the lower bottom side, and the upper bottom side being located at a side close to the blade 451. The weight 454 is a weight for increasing its own weight to maintain balance. When the scraping plate 451 is positioned above the inner wall of the ash bucket 43, the inclined edge, namely the inclined surface 4531, of the wedge 453 abuts against the balancing weight 454, the connecting rope 455 is in an unstrained state, namely the connecting rope 455 is not stressed, and when the accumulated ash on the scraping plate 451 is insufficient to compress the two elastic members 452 and the scraping plate 451 moves downwards, the wedge 453 which is pulled out of the ash bucket 43 in a direction away from the ash bucket 43 can be pulled away from the wedge 453 and the balancing weight 454, the balancing weight 454 moves downwards under the dead weight to enable the connecting rope 455 to be in a tense state, and the connecting rope is pulled to the scraping plate 451 to move downwards for accumulated ash scraping; after the accumulated ash is scraped off, the wedge 453 outside the ash bucket 43 is pushed towards the direction close to the ash bucket 43, so that the inclined edge of the wedge 453 contacts and abuts against the balancing weight 454, the balancing weight 454 moves upwards, the connecting rope 455 is in an unstrained state, namely, the scraping plate 451 is not stressed, and the two elastic pieces 452 stretch to reset the scraping plate 451. Convenient and practical, be convenient for clear up deposition in the ash bucket 43 avoids deposition to scatter, improves the dust removal effect.
Further, the electric precipitator 100 further comprises a plurality of filter bags 6, and a plurality of filter bags 6 are communicated with the dust filtering box 2 and the air outlet smoke box 3 and are positioned between the dust filtering box 2 and the air outlet smoke box 3. The electric precipitator 100 further comprises a plurality of activated carbon layers 7, and a plurality of activated carbon layers 7 are respectively positioned in a plurality of filter bags 6.
In this embodiment, the filter bags 6 may shunt and discharge clean flue gas, so as to avoid the effect of flue gas accumulation affecting the discharge effect. The activated carbon layer 7 is arranged in the filter bag 6, can absorb harmful bad smell and improves the safety and environmental protection of smoke emission.
Further, the cleaning mechanism 44 further includes a plurality of third connecting members 445, where the third connecting members 445 are rotatably connected to the adjacent two second connecting members 4443 and are located between the adjacent two second connecting members 4443.
In this embodiment, the third connecting member 445 is configured to prevent the mounting plate 4444 from excessively shaking, so as to prevent the nozzle 4445 from excessively shaking, thereby improving the sprinkling effect, and further improving the dust removal effect, and improving the structural stability.
Further, the electric precipitator 100 further includes a plurality of lifting mechanisms 8, each lifting mechanism 8 is located above each cathode plate 41 and is located in the first cavity 21, the lifting mechanism 8 includes a sliding frame 81, a mounting member 82, a rotating member 83, a sliding column 84 and a moving member 85, the sliding frame 81 is slidably connected with the dust filtration box 2, the sliding frame 81 has an annular sliding groove 811, a linear sliding groove 812 and a through hole 813, the annular sliding groove 811 is communicated with the linear sliding groove 812, the through hole 813 is located between the annular sliding groove 811 and the linear sliding groove 812, the mounting member 82 is fixedly connected with the dust filtration box 2 and is located in the through hole 813, the rotating member 83 is rotatably connected with the mounting member 82, the sliding column 84 is fixedly connected with the rotating member 83 and is slidably connected with the sliding frame 81 and is located in the annular sliding groove 811 and the linear sliding groove 812, and the moving member 85 is fixedly connected with the sliding frame 81 and is fixedly connected with the cathode plates 41 and is fixedly connected with the second cavity 22.
In this embodiment, the lifting mechanism 8 may drive the cathode plate 41 to slide in the first cavity 21 and the second cavity 22. Specifically, the rotating member 83 is connected to an output end of the motor, the motor drives the rotating member 83 to rotate, and the sliding column 84 is fixedly connected to the rotating member 83 and is slidably connected to the sliding frame 81, so that the sliding column 84 is driven to slide in the annular sliding groove 811 and the linear sliding groove 812, and the moving member 85 is fixedly connected to the sliding frame 81 and is fixedly connected to the cathode plate 41, so that when the sliding column 84 slides to the annular sliding groove 811, the sliding frame 81 and the moving member 85 slide upwards, and the cathode plate 41 slides towards the first cavity 21; when the sliding column 84 slides to the linear sliding groove 812, the sliding frame 81 and the moving member 85 slide downwards, so that the cathode plate 41 slides towards the second cavity 22, and dust adsorption is performed when the cathode plate 41 slides to the first cavity 21, and dust removal cleaning is performed on the dust filtration box 2 when the cathode plate 41 slides to the second cavity 22, so that the reduction of the service life due to the water dipping of the cathode plate 41 is avoided.
Further, the electric precipitator 100 further comprises a dispersing component 9, the dispersing component 9 comprises a third disc 91, four first upright posts 92, four blades 93, two supports 94 and a second upright post 95, the third disc 91 is rotationally connected with the air inlet smoke box 1, the four first upright posts 92 are fixedly connected with the third disc 91 and are uniformly arranged on the third disc 91, each blade 93 is rotationally connected with each first upright post 92, the two supports 94 are arranged in a crossing manner and are fixedly connected with the two first upright posts 92 which are oppositely arranged, and the second upright post 95 is fixedly connected with the two supports 94 and is fixedly connected with the third disc 91.
In this embodiment, the dispersing component 9 is configured to disperse particles in the exhaust smoke entering the dust filtering box 2, specifically, the third disc 91 rotates in the air inlet smoke box 1, and further drives the four first upright posts 92 fixedly connected with the third disc to rotate, so that the blades 93 connected with the third disc rotate to disperse particles in the exhaust smoke, and the support 94 and the second upright posts 95 increase stability of the structure.
According to the electric dust collector 100, the dust filtering box 2 is provided with the first cavity 21 and the second cavity 22 which are vertically opposite, the cathode plates 41 and the corona wires 42 are arranged in a staggered mode and are in sliding connection with the dust filtering box 2, the dust hopper 43 is positioned below the dust filtering box 2, the rotating shaft 442 and the first disc 441 rotate, the second disc 443 is fixed with the rotating shaft 442 and is integrally formed with the first connecting piece 4441, the sliding block 4442 is connected in the annular groove 4411 of the first disc 441 in a sliding mode, the second connecting piece 4443 and the first connecting piece 4441 rotate and are fixed with the sliding block 4442, the mounting plate 4444 and the second connecting piece 4443 are fixed, and the spray head 4445 and the mounting plate 4444 are fixed. After striking the cathode plate 41, the cathode plate 41 and the corona wire 42 slide into the first cavity 21, the rotating shaft 442 rotates to drive the first disc 441 and the first connecting piece 4441 to rotate, and the sliding block 4442 slides along the annular groove 4411 to enable the spray nozzle 4445 of the mounting plate 4444 to rotate to spray water to the dust filtering box 2 for dust reduction cleaning, so that smoke enters the dust hopper 43 along with water flow, and the dust removing effect is improved.
In a second aspect, the present invention further provides an adjacent electric field mutual redundancy power supply system 200 of an electric precipitator, including the electric precipitator 100 according to the first aspect, and further including a first power supply module 201, a second power supply module 202 and a control module 203, where the first power supply module 201 and the second power supply module 202 are connected with the control module 203;
the first power supply module 201 is configured to supply power to the first filtering component 4;
the second power supply module 202 is configured to supply power to the second filtering component 5;
the control module 203 is configured to, when detecting that the first power supply module 201 and the second power supply module 202 are both normal, control the first power supply module 201 to supply power to the first filter assembly 4 independently; the second power supply module 202 independently supplies power to the second filter assembly 5; and is further configured to control, when a failure of the first power supply module 201 is detected, the second power supply module 202 to supply power to the first filter assembly 4 and the second filter assembly 5 simultaneously; and is further configured to control the first power supply module 201 to supply power to the first filter assembly 4 and the second filter assembly 5 simultaneously when the failure of the second power supply module 202 is detected.
In this embodiment, the control module 203 is configured for two adjacent electric fields of the electric precipitator 100, the first power supply module 201 and the second power supply module 202 are standby, when any one electric field power supply fails and stops, the two electric fields can be switched on by the control module 203, so that the two electric fields are powered by the power supply of the adjacent electric fields, and the two electric fields of the electric precipitator 100 are in a charged normal working state. The invention solves the problems of power failure, reduced efficiency and out-of-standard discharge of the electric dust collector 100 when each electric field high-voltage power supply of the electric dust collector 100 is independently powered.
In a third aspect, the present invention further provides a power supply method applied to the adjacent electric field mutual redundancy power supply system of the electric precipitator in the second aspect, including:
when the first electric field power supply and the second electric field power supply of the first filter assembly 4 and the second filter assembly 5 are detected to be normal, the first electric field power supply and the second electric field power supply are controlled to supply power to the first filter assembly 4 and the second filter assembly 5 respectively and independently;
when a first electric field power failure of the first filter assembly 4 is detected, controlling a second electric field power to supply power to the first filter assembly 4 and the second filter assembly 5 simultaneously;
when a second electric field power failure of the second filter assembly 5 is detected, a first electric field power is controlled to supply power to the first filter assembly 4 and the second filter assembly 5 simultaneously.
In the second aspect, reference is made to the details of the second aspect, which are not described herein.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (9)
1. An electric dust collector is characterized in that,
the electric dust collector comprises an air inlet smoke box, a dust filtering box, an air outlet smoke box, an ash bucket, a first filtering component and a second filtering component, wherein the air inlet smoke box, the dust filtering box and the air outlet smoke box are sequentially communicated, the ash bucket is communicated with the dust filtering box and is positioned below the dust filtering box, the first filtering component and the second filtering component are positioned in the dust filtering box, and the dust filtering box is provided with a first cavity and a second cavity which are vertically opposite;
the first filtering component and the second filtering component comprise a plurality of cathode plates, a plurality of corona wires and a plurality of cleaning mechanisms, the cathode plates are in sliding connection with the dust filtering box, the cathode plates and the corona wires are arranged in a staggered mode and are positioned in the second cavity, and each cleaning mechanism is positioned between the adjacent cathode plates and the corona wires; the cleaning mechanism comprises a first disc, a rotating shaft, a second disc and a plurality of spraying pieces, wherein the first disc is in sliding connection with the dust filtering box, the first disc is provided with a circular groove, the rotating shaft is in rotating connection with the first disc and penetrates through the first disc, the second disc is fixedly connected with the rotating shaft, the spraying pieces are uniformly arranged in the circumferential direction of the second disc, each spraying piece comprises a first connecting piece, a sliding block, a second connecting piece, a mounting plate and a spray head, the first connecting piece and the second disc are integrally formed, the sliding block is in sliding connection with the first disc and is positioned in the circular groove, the second connecting piece is in rotating connection with the first connecting piece and is fixedly connected with the sliding block, the mounting plate is fixedly connected with the second connecting piece, and the spray head is fixedly connected with the mounting plate.
The cleaning mechanism further comprises a plurality of third connecting pieces, wherein the third connecting pieces are rotationally connected with two adjacent second connecting pieces and are positioned between the two adjacent second connecting pieces;
the electric dust collector comprises a first cavity, a second cavity, a dust filtering box, a plurality of lifting mechanisms, a plurality of sliding frames, a plurality of installing pieces, a plurality of rotating pieces, a plurality of sliding columns and a plurality of moving pieces, wherein each lifting mechanism is located above the cathode plate and in the first cavity, each sliding mechanism comprises a sliding frame, a plurality of installing pieces, a plurality of sliding columns and a plurality of moving pieces, each sliding frame is in sliding connection with the dust filtering box, each sliding frame is provided with an annular sliding groove, a plurality of straight sliding grooves and a plurality of through holes, each through hole is located between each annular sliding groove and each straight sliding groove, each installing piece is fixedly connected with the dust filtering box and is located in the corresponding through hole, each rotating piece is in rotary connection with each installing piece, each sliding column is fixedly connected with each rotating piece and is in each sliding frame, each sliding column is fixedly connected with each sliding frame and is fixedly connected with each cathode plate and is slipped into the second cavity.
2. The electric precipitator of claim 1, wherein,
the electric dust remover further comprises four scraping assemblies, the four scraping assemblies are respectively located on the inner wall of the dust hopper, each scraping assembly comprises a scraping plate and two elastic pieces, the scraping plates are in sliding connection with the dust hopper and located in the dust hopper, and the two elastic pieces are fixedly connected with the scraping plates and the dust hopper and located on one side away from the dust filtering box.
3. The electric precipitator of claim 2, wherein,
the scraper is provided with a groove, and the groove is positioned on one side facing the dust filtering box.
4. The electric precipitator of claim 3, wherein,
the scraping plate is further provided with a round hole, and the round hole is communicated with the groove.
5. The electric precipitator of claim 4, wherein,
the scraping assembly further comprises a wedge-shaped piece, a balancing weight and a connecting rope, wherein the wedge-shaped piece is in sliding connection with the ash bucket and extends out of the ash bucket, the wedge-shaped piece is provided with an inclined surface, the balancing weight is in contact with the inclined surface of the wedge-shaped piece to be propped against, one end of the connecting rope is fixedly connected with the scraping plate, and the other end of the connecting rope is fixedly connected with the balancing weight.
6. The electric precipitator of claim 1, wherein,
the electric dust remover further comprises a plurality of filter bags, wherein the filter bags are communicated with the dust filtering box and the air outlet smoke box and are positioned between the dust filtering box and the air outlet smoke box.
7. The electric precipitator of claim 6, wherein,
the electric dust collector further comprises a plurality of activated carbon layers, and the activated carbon layers are respectively located in the filter bags.
8. An adjacent electric field mutual redundancy power supply system of an electric dust collector, comprising the electric dust collector according to any one of claims 1 to 7, and further comprising a first power supply module, a second power supply module and a control module, wherein the first power supply module and the second power supply module are connected with the control module;
the first power supply module is used for supplying power to the first filtering component;
the second power supply module is used for supplying power to the second filtering component;
the control module is used for respectively controlling the first power supply module to independently supply power to the first filter assembly when detecting that the first power supply module and the second power supply module are normal; the second power supply module independently supplies power to the second filtering component; and the first power supply module is used for controlling the second power supply module to supply power to the first filter assembly and the second filter assembly simultaneously when the first power supply module is detected to be in fault; and the first power supply module is also used for controlling the first power supply module to supply power to the first filter assembly and the second filter assembly simultaneously when the second power supply module is detected to be in fault.
9. A power supply method applied to adjacent electric field mutual redundancy power supply systems of the electric dust collector as set forth in claim 8, comprising:
when the first electric field power supply and the second electric field power supply of the first filter assembly and the second filter assembly are detected to be normal, the first electric field power supply and the second electric field power supply are controlled to supply power to the first filter assembly and the second filter assembly respectively and independently;
when a first electric field power supply fault of the first filter assembly is detected, controlling a second electric field power supply to supply power to the first filter assembly and the second filter assembly simultaneously;
and when the second electric field power supply of the second filter assembly is detected to be in fault, controlling the first electric field power supply to supply power to the first filter assembly and the second filter assembly simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110940822.8A CN113649170B (en) | 2021-08-17 | 2021-08-17 | Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110940822.8A CN113649170B (en) | 2021-08-17 | 2021-08-17 | Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113649170A CN113649170A (en) | 2021-11-16 |
| CN113649170B true CN113649170B (en) | 2023-12-26 |
Family
ID=78491704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110940822.8A Active CN113649170B (en) | 2021-08-17 | 2021-08-17 | Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113649170B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453137B (en) * | 2022-01-07 | 2024-05-28 | 呼伦贝尔安泰热电有限责任公司海拉尔热电厂 | Wet-type electrostatic precipitator positive pole module cleaning device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001046907A (en) * | 1999-08-06 | 2001-02-20 | Mitsubishi Heavy Ind Ltd | Electric dust collector |
| CN101816975A (en) * | 2010-05-17 | 2010-09-01 | 山东电力研究院 | Wet-dry mixing electric dust remover |
| CN207013150U (en) * | 2017-07-24 | 2018-02-16 | 内蒙古第一电力建设工程有限责任公司 | Electric cleaner |
| CN210875785U (en) * | 2019-08-08 | 2020-06-30 | 福建龙岩东信环境工程有限公司 | Spraying system for wet electric dust removal |
| CN111589580A (en) * | 2020-05-25 | 2020-08-28 | 安徽工业大学 | High-efficient wet-type vibrating wire grid electric dust remover |
| CN111804042A (en) * | 2020-07-20 | 2020-10-23 | 宋卫校 | Sewage pretreatment equipment for sewage treatment plant |
| CN112007758A (en) * | 2020-07-17 | 2020-12-01 | 西安西矿环保科技有限公司 | System and method for mutually redundant power supply of adjacent electric fields of electric dust collector |
| KR20210003364A (en) * | 2019-07-01 | 2021-01-12 | 두산중공업 주식회사 | Electric precipitator method |
-
2021
- 2021-08-17 CN CN202110940822.8A patent/CN113649170B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001046907A (en) * | 1999-08-06 | 2001-02-20 | Mitsubishi Heavy Ind Ltd | Electric dust collector |
| CN101816975A (en) * | 2010-05-17 | 2010-09-01 | 山东电力研究院 | Wet-dry mixing electric dust remover |
| CN207013150U (en) * | 2017-07-24 | 2018-02-16 | 内蒙古第一电力建设工程有限责任公司 | Electric cleaner |
| KR20210003364A (en) * | 2019-07-01 | 2021-01-12 | 두산중공업 주식회사 | Electric precipitator method |
| CN210875785U (en) * | 2019-08-08 | 2020-06-30 | 福建龙岩东信环境工程有限公司 | Spraying system for wet electric dust removal |
| CN111589580A (en) * | 2020-05-25 | 2020-08-28 | 安徽工业大学 | High-efficient wet-type vibrating wire grid electric dust remover |
| CN112007758A (en) * | 2020-07-17 | 2020-12-01 | 西安西矿环保科技有限公司 | System and method for mutually redundant power supply of adjacent electric fields of electric dust collector |
| CN111804042A (en) * | 2020-07-20 | 2020-10-23 | 宋卫校 | Sewage pretreatment equipment for sewage treatment plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113649170A (en) | 2021-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113649170B (en) | Electric dust collector and adjacent electric field mutual redundancy power supply system and method thereof | |
| CN113798061A (en) | Quick deashing structure of electrostatic precipitator | |
| KR101179853B1 (en) | Collecting apparatus of oil-paint dust | |
| CN113082879A (en) | Waste incineration tail gas high-efficiency treatment system | |
| CN116481111A (en) | Intelligent fresh air energy-saving purification device for building construction | |
| CN208437040U (en) | A kind of automatic centrifugation wet static dedusting device | |
| CN105268557A (en) | High-voltage electrostatic dust collector | |
| CN104958977A (en) | Air-cleaning and dedusting apparatus | |
| CN203853171U (en) | Dust remover | |
| KR20150045069A (en) | Electrostatic precipitator with means for dedusting | |
| CN220047426U (en) | Pulse bag type dust collector of gas tank | |
| CN219922416U (en) | Movable particulate matter removing equipment | |
| CN115041311B (en) | Environment-friendly electrostatic combined bag-type dust collector | |
| CN209271655U (en) | A kind of electrostatic precipitator | |
| CN205019848U (en) | Waste gas purification apparatus | |
| CN204767873U (en) | Air purification dust collector | |
| CN114768997B (en) | Electric dust remover | |
| CN112933763B (en) | Industrial pulse dust removal system and application method thereof | |
| KR100898728B1 (en) | Device for cleaning dust for an electric precipitator | |
| CN214715094U (en) | Resin production waste gas pulsed dust remover | |
| CN214287332U (en) | Dust removal filter equipment convenient to change | |
| CN114832941A (en) | High-voltage high-frequency electrostatic dust collector system for conveying material, dust and flying dust of coal | |
| CN210057731U (en) | Water curtain dust removal device for powder feeding | |
| CN206980975U (en) | A kind of electromagnetic duster and flue gas purification system | |
| CN217615301U (en) | Environment-friendly electromagnetic pulse dust remover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |