An intermittent high-frequency power supply control mechanism for an electrostatic precipitator

Abstract

The present invention relates to the technical field related to electrostatic precipitation, and discloses an intermittent high-frequency power supply control mechanism for an electrostatic precipitator. In order to solve the problems that continuous connection of the dust collecting plate to the high-frequency power supply leads to difficult detachment of dust and increased useless energy consumption, a distribution fork is movably installed outside the dust collecting plate. After the dust collecting plate enters the flue gas flow area, the dust collecting plate is connected to the power distribution cabinet through the distribution fork, so that the dust collecting plate is connected to the high-frequency power supply for dust removal work; as the motor drives the dust collecting plate to rotate, the dust collecting plate will be far away from the flue gas flow area, and the distribution fork slides down, so that the dust collecting plate is no longer connected to the high-frequency power supply, ensuring that the dust collecting plate will not be connected to the high-frequency power supply during the ash cleaning process. Finally, under the continuous rotation of the dust collecting plate, the distribution fork controls the intermittent on / off of the dust collecting plate, ensuring that the dust collecting plate can be connected / disconnected in a timely manner, thereby reducing the useless power loss and finally achieving the intermittent control power supply effect.

Description

Technical Field

[0001] The present invention relates to the technical field related to electrostatic precipitation, and particularly to an intermittent high-frequency power supply control mechanism for an electrostatic precipitator. Background Art

[0002] An electrostatic precipitator, also known as an electrostatic dust collector, is an environmental protection device that efficiently utilizes the principle of static electricity to remove particulate soot in flue gas. This device is widely used in thermal power plants, steel plant sintering machines, boilers, and other industrial emission sources, aiming to significantly reduce the amount of soot discharged into the atmosphere, thereby significantly improving environmental quality and enhancing air quality standards.

[0003] The working mechanism of an electrostatic precipitator is based on the principle of electrostatic adsorption. Specifically, when the flue gas containing soot flows through the flue before the main structure of the electrostatic precipitator, the soot particles are given a positive charge by the corona coil. Then, this charged flue gas enters the electrostatic precipitator channel equipped with multiple layers of dust collection plates. Since the dust collection plates usually carry a negative charge or are grounded to form an electric field, the positively charged soot particles are strongly attracted by the electrostatic force and are firmly adsorbed on the dust collection plates. To remove the accumulated soot, the system periodically applies mechanical knocking or vibration to the dust collection plates, so that the soot particles attached to the plates fall off under the combined action of their own weight and the vibration force, and fall into the ash hopper below the electrostatic precipitator, finally realizing flue gas purification.

[0004] However, in the actual operation process, a significant problem is that when the dust collection plates are still continuously connected to the high-frequency power supply during the knocking process, the soot particles are difficult to fall off due to the continuous action of the electrostatic force, which often requires a greater knocking force to ensure the effective removal of soot. This may not only cause damage to the dust collection plates due to excessive force, but also increase energy consumption due to the continuous high-frequency power supply, resulting in unnecessary energy waste. In the long run, this will increase the operating costs of enterprises and reduce the use efficiency of equipment. Summary of the Invention

[0005] The present invention proposes an intermittent high-frequency power supply control mechanism for an electrostatic precipitator, which has the advantage of intermittent control of power supply, so as to solve the problems of difficult dust detachment and increased useless energy consumption caused by the continuous connection of the dust collection plates to the high-frequency power supply as mentioned in the above background art.

[0006] To achieve the above object, the present invention adopts the following technical solution: An intermittent high-frequency power supply control mechanism for an electrostatic precipitator, comprising: a dust removal housing, a fan inputs flue gas into the inner cavity of the dust removal housing from an intake horn, the purified air flow is discharged from an outlet horn, and the collected dust particles fall into an ash hopper. An adjustment part and a reset part located on one side of the adjustment part are provided inside the dust removal housing; a motor, fixed on the top of the dust removal housing, a co-rotating gear set is arranged on the output shaft of the motor, and a support cylinder is fixed at the output end of the co-rotating gear set. A collector base is coaxially fastened to the bottom of the support cylinder; a dust collecting plate, fixed on the outside of the support cylinder, and a locking hole is opened at the top of the outside of the dust collecting plate; a power distribution cabinet, used to apply high-frequency power to the dust collecting plate; a power distribution fork, movably arranged on the outside of the dust collecting plate, and a contact ball is fixedly installed on the top of the power distribution fork. A power connection frame is fixedly installed on the inner top of the dust removal housing; an adjustment push rod, movably arranged in the power distribution fork, and an adjustment spring is connected between the adjustment push rod and the power distribution fork; a magnetic block, fixed inside the dust removal housing, used to attract the adjustment push rod to disengage it from the locking hole; the motor drives the support cylinder to rotate, the dust collecting plate close to the flue gas path is connected to adsorb dust particles; the dust collecting plate far from the flue gas path is disconnected to reduce useless losses.

[0007] Further, there are multiple dust collecting plates, and the multiple dust collecting plates are equally angularly distributed on the outer side of the support cylinder.

[0008] Further, the reset part is a smooth inclined surface.

[0009] Further, a guiding part is provided inside the dust removal housing between the adjustment part and the reset part.

[0010] Further, an ash discharge groove is opened at the bottom of the dust removal housing on one side of the guiding part.

[0011] Further, a switch starting arm is movably installed inside the dust removal housing on one side of the guiding part. A reset top spring is arranged between the switch starting arm and the dust removal housing, and a start-stop switch is fixed on the dust removal housing below the switch starting arm.

[0012] Further, a boosting push spring is connected between the top of the inner side of the dust collecting plate and the power distribution fork.

[0013] Further, a dust cleaning tooth row is fastened to the outside of the dust collecting plate, and the dust cleaning tooth row is directly below the locking hole.

[0014] Further, a reset channel is opened on the side of the dust collecting plate on one side of the dust cleaning tooth row. A reset chute is provided between the top of the reset channel and the locking hole. A displacement slider is movably installed in the power distribution fork. The adjustment push rod is installed on the displacement slider, and a limit stop rod is fixed inside the dust removal housing.

[0015] Furthermore, an intermediate partition is fastened to the outer top of the dust collecting electrode plate, and the intermediate partition is located between the reset channel and the top of the dust cleaning tooth row.

[0016] The present invention has the following beneficial effects:

[0017] A kind of intermittent high-frequency power supply control mechanism designed specifically for an electrostatic precipitator provided by the present invention is characterized in that an innovative distribution fork assembly is flexibly installed on the outer side of the dust collecting electrode plate. When the dust collecting electrode plate rotates to the flue gas circulation area, the distribution fork will be electrically connected to the power distribution cabinet, ensuring that the dust collecting electrode plate is smoothly connected to the high-frequency power supply, thereby starting the dust removal operation. At this time, the dust collecting electrode plate is charged, and the electrostatic field generated by it is used to effectively adsorb particulate soot in the flue gas.

[0018] As the motor drives the dust collecting electrode plate to continue rotating, when the dust collecting electrode plate gradually moves away from the flue gas circulation area and enters the dust cleaning stage, the distribution fork will intelligently slide down along the preset track and cleverly disconnect from the power distribution cabinet, thus ensuring that the dust collecting electrode plate is no longer connected to the high-frequency power supply during dust cleaning. This design cleverly avoids the problem that soot is difficult to fall off due to continuous power supply during the dust cleaning process, and also reduces the energy consumption caused by unnecessary power supply.

[0019] During the continuous rotation of the entire dust collecting electrode plate, the distribution fork can accurately control the intermittent on-off of the dust collecting electrode plate. This not only ensures that the dust collecting electrode plate can be connected to the power supply in time for dust removal when needed, but also can quickly disconnect the power supply during dust cleaning, thereby greatly reducing the loss of useless power and improving the energy efficiency of the entire electrostatic precipitator.

[0020] Finally, through the application of this intermittent high-frequency power supply control mechanism, the electrostatic precipitator achieves a more efficient intermittent control power supply effect, not only optimizing the dust removal performance, but also significantly reducing the operating cost. In addition, this mechanism also has the advantages of simple structure, convenient operation, and low maintenance cost, providing new ideas and technical support for the intelligent and energy-saving transformation of electrostatic precipitators. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of the specification depict the embodiments disclosed by the present invention and, together with the specification, are used to explain the principles disclosed by the present invention.

[0022] Referring to the drawings, the present invention can be more clearly understood according to the following detailed description, wherein:

[0023] Figure 1 is a schematic external three-dimensional structure diagram of the whole of the present invention;

[0024] Figure 2 is a schematic top-down sectional view of the whole of the present invention and its flue gas flow state diagram;

[0025] Figure 3 Schematic diagram of the structure and installation position of the co-rotating gear set in the present invention;

[0026] Figure 4 Schematic diagram of the structure and installation position of the power connection frame in the present invention;

[0027] Figure 5 Schematic diagram of the partial three-dimensional structure inside the dust removal housing;

[0028] Figure 6 Schematic diagram of the positions of various components during the switching process of the power distribution fork;

[0029] Figure 7 Schematic diagram of the distribution of multiple dust collection plates;

[0030] Figure 8 Schematic diagram of the three-dimensional structure of a single dust collection plate;

[0031] Figure 9 Schematic diagram of the internal structure of a single dust collection plate;

[0032] Figure 10 For Figure 9 Schematic diagram of the enlarged structure at position E in

[0033] In the figure: 1. Dust removal housing; 100. Air inlet horn; 101. Air outlet horn; 102. Adjustment part; 103. Guide part; 104. Reset part; 2. Power distribution cabinet; 3. Motor; 4. Co-rotating gear set; 5. Ash collection hopper; 500. Ash discharge trough; 6. Support cylinder; 600. Current collector seat; 7. Dust collection plate; 8. Power distribution fork; 9. Contact ball; 10. Corona coil; 11. Power connection frame; 12. Switch starting arm; 120. Reset top spring; 13. Limit stop bar; 14. Magnet; 15. Adjustment push rod; 150. Adjustment spring; 16. Start-stop switch; 17. Ash cleaning tooth row; 18. Reset channel; 19. Locking hole; 20. Reset sliding groove; 21. Intermediate partition; 22. Boosting push spring; 23. Transposition slider. Specific embodiments

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0035] Example 1, please refer to Figure 1It can be seen that the dust removal housing 1 is fixed at the required position by the steel frame at the bottom. The fan inputs the dusty air flow to be processed from the intake horn 100 into the inner cavity of the dust removal housing 1. After the dusty air flow is purified and dust-removed in the dust removal housing 1, the purified air flow is discharged from the outlet horn 101. The dust hopper 5 is used to collect the adsorbed dust particles. When cleaning is required, the discharge valve fixed at the bottom of the dust hopper 5 can be opened to output the dust particles.

[0036] The dust collecting electrode plate 7 of the present invention adopts rotational intermittent power supply type dust collection. The motor 3 is used as the main power driving part, and a co-rotating gear set 4 is arranged on its output shaft. The co-rotating gear set 4 contains two gears of the same size, and the two gears are meshed and driven. One of the gears is coaxially fastened to the output end of the motor 3. Specifically, in combination with Figure 6 It can be clearly seen that support cylinders 6 are coaxially fastened to both gears. The support cylinder 6 is in the shape of a cylinder. The dust collecting electrode plate 7 is fixed on the outside of the support cylinder 6, and a plurality of dust collecting electrode plates 7 are arranged on the outside of one support cylinder 6 at equal angles. In the attached drawings of the present invention, eight are taken as an example, and the actual number can be changed according to the usage requirements. In combination with Figure 2 It can be seen that when the dust collecting electrode plates 7 on the two support cylinders 6 are staggered from each other, a path for the flue gas to pass through will be left. When the flue gas is charged after passing through the corona coil 10, the charged dust can be adsorbed and collected by the dust collecting electrode plate 7 when passing through the dust collecting electrode plate 7, thereby realizing the function of dust removal.

[0037] Due to the design of the above special structure, the air flow only flows through the path reserved between the dust collecting electrode plates 7. In the actual application process, in order to reduce energy consumption, the dust collecting electrode plates 7 passing through the flue gas are in the working state, while the dust collecting electrode plates 7 not passing through the flue gas are in the power-off state, which can greatly reduce the useless power loss. Specifically, from Figure 1 It can be clearly seen that there is a power distribution cabinet 2 fastened by bolts at the top of the dust removal housing 1. The power distribution cabinet 2 is mainly used to apply electric energy to the dust collecting electrode plate 7 to ensure that the dust collecting electrode plate 7 can adsorb the dust particles in the air flow. In combination with Figures 5 - 7 It can be clearly seen that a power distribution fork 8 is movably installed outside each dust collecting electrode plate 7, and the power distribution fork 8 can only move up and down reciprocally along the dust collecting electrode plate 7. Since the power distribution fork 8 is in relative contact with the dust collecting electrode plate 7, the power distribution fork 8 can be used to connect the dust collecting electrode plate 7 with the power distribution cabinet 2. Further, a contact ball 9 is fixedly installed at the top of the power distribution fork 8. Correspondingly, referring to Figure 4It can be seen that a power connection frame 11 is fixedly installed at the inner top of the dust removal housing 1. The shape of the power connection frame 11 is a combination of two rings, and the rings are the paths for the electric shock balls 9 to move. During specific use, the power connection frame 11 is connected to the power distribution cabinet 2 via a cable. When the electric shock balls 9 on the power distribution fork 8 contact the power connection frame 11, the dust collection electric plate 7 can be connected to the support cylinder 6 through the power distribution fork 8, the electric shock balls 9, and the power connection frame 11. Combined with Figure 7 It can be clearly seen that a current collector base 600 is coaxially and tightly fixed to the bottom of the support cylinder 6. All the dust collection electric plates 7 on the current collector base 600 and the support cylinder 6 are in contact and connected, and the current collector base 600 and the support cylinder 6 are connected by a cable. Therefore, when the electric shock balls 9 and the power connection frame 11 are connected, the dust collection electric plates 7 will be connected to a high-frequency power supply to realize the adsorption of dust particles.

[0038] An adjustment push rod 15 is movably arranged in the power distribution fork 8. Combined with Figures 8 - 10 It can be seen that an adjustment spring 150 is connected between the adjustment push rod 15 and the power distribution fork 8. Under the elastic force of the adjustment spring 150, the adjustment push rod 15 always has a tendency to move towards the dust collection electric plate 7. Correspondingly, a locking hole 19 is opened at the outer top of the dust collection electric plate 7. When the power distribution fork 8 moves to the top of the dust collection electric plate 7, under the elastic force of the adjustment spring 150, the adjustment push rod 15 is pushed to abut against the locking hole 19, so as to lock the power distribution fork 8 at the top of the dust collection electric plate 7. At the same time, the electric shock balls 9 on the power distribution fork 8 will also abut against the power connection frame 11, so as to connect the electric shock balls 9 and the power connection frame 11. On this basis, combined with Figure 5 and Figure 6 It can be seen that an adjustment part 102 is opened on the inner side of the dust removal housing 1. The height of the adjustment part 102 is relatively low. When the support cylinder 6 drives the electric shock balls 9 to rotate above the adjustment part 102, the electric shock balls 9 are relatively far away from the above-mentioned flue gas flow path at this time. At the same time, since there is no air flow passing through the dust collection electric plate 7, it will no longer need to be continuously powered on. As Figure 5 shown, a magnet 14 is fixedly installed on the inner side of the dust removal housing 1 on one side of the adjustment part 102. When the electric shock balls 9 move to the adjustment part 102, the power distribution fork 8 also drives the adjustment push rod 15 to face the magnet 14. The adjustment push rod 15 will be attracted by the magnetism of the magnet 14 and relatively compress the adjustment spring 150, and disengage from the locking hole 19, so as to release the movement restriction of the adjustment push rod 15 on the power distribution fork 8. After that, under the gravity of the power distribution fork 8, it will move downward along the dust collection electric plate 7, and the electric shock balls 9 will be relatively far away from the power connection frame 11. At this time, the dust collection electric plate 7 will no longer be connected.

[0039] A reset part 104 is arranged on the inner side of the dust removal housing 1 on one side of the adjustment part 102. From Figure 6It can be seen that the reset part 104 is a smooth inclined surface. When the power distribution fork 8 moves upward along the reset part 104, the height of the upward movement of the power distribution fork 8 will gradually be higher than that of the adjustment part 102. Finally, as the power distribution fork 8 continuously moves upward, the adjustment push rod 15 will be inserted into the locking hole 19 again. At this time, the dust collecting electrode plate 7 will also move closer to the flue gas flow path, ensuring that the dust collecting electrode plate 7 close to the flue gas can adsorb the dust in the flue gas.

[0040] In the application of the first embodiment, the motor 3 drives the dust collecting electrode plate 7 to rotate, and the power distribution fork 8 following the rotation of the dust collecting electrode plate 7 sequentially passes through the adjustment part 102 and the reset part 104. When the power distribution fork 8 passes through the reset part 104, the power distribution fork 8 moving along the reset part 104 will move upward, making the adjustment push rod 15 relatively close to the locking hole 19 until the adjustment push rod 15 is inserted into the locking hole 19. At this time, the adjustment push rod 15 limits the power distribution fork 8, making the power distribution fork 8 always at the outer top of the dust collecting electrode plate 7. At the same time, the contact ball 9 on the power distribution fork 8 will abut against the power supply connecting frame 11, so that the two are connected, and finally the dust collecting electrode plate 7 connected to it is connected to the high-frequency power supply. Figure 2 It can be seen that as the dust collecting electrode plate 7 connected to the high-frequency power supply approaches the flue gas transmission path, it will adsorb the dust particles in the flue gas. The two support cylinders 6 are driven by the same rotation gear set 4, so that the support cylinders 6 rotate synchronously. At the same time, the dust collecting electrode plates 7 on the two support cylinders 6 will not touch each other, avoiding the problem that the airflow cannot pass normally due to the contact between the dust collecting electrode plates 7 on the two support cylinders 6.

[0041] As the support cylinder 6 rotates, the dust collecting electrode plate 7 after adsorbing the soot particles will also rotate towards the adjustment part 102. When the dust collecting electrode plate 7 drives the power distribution fork 8 to move to the adjustment part 102, due to the relatively lower height of the adjustment part 102 and the magnetic attraction of the magnet 14 to the adjustment push rod 15, the adjustment push rod 15 will disengage from the locking hole 19 and release the movement restriction on the power distribution fork 8. Under this condition, the power distribution fork 8 descends under its own gravity, and then the contact ball 9 disengages from the power supply connecting frame 11, and the dust collecting electrode plate 7 will also be in a disconnected state.

[0042] Since the motor 3 drives the support cylinder 6 to rotate continuously, it can be seen that the dust collecting electrode plate 7 close to the flue gas path will be connected for adsorbing the dust particles; the dust collecting electrode plate 7 far from the flue gas path will be disconnected to reduce the useless loss. During the implementation process, the dust collecting electrode plate 7 can be connected / disconnected from the high-frequency power supply in a timely manner according to the usage requirements, ensuring that the dust collecting electrode plate 7 can start and stop intermittently, solving the defect that the dust collecting electrode plate 7 is always connected to the high-frequency power supply conventionally, greatly reducing the useless loss of the equipment, and finally shortening the application cost of the enterprise.

[0043] Embodiment 2 is a further improvement based on Embodiment 1. In order to ensure that the dust particles adsorbed on the outer side of the dust collecting electrode 7 can be completely cleaned into the ash collecting hopper 5, please refer to Figures 5 - 6 It can be seen that a guiding portion 103 is provided inside the dust removal housing 1 between the adjusting portion 102 and the resetting portion 104. The surface of the guiding portion 103 is relatively horizontal. Specifically, from Figure 6 It can be clearly seen that there is a height difference between the left end of the guiding portion 103 and the adjusting portion 102, and the right end is located at the lowest part of the inclined surface of the resetting portion 104. Moreover, when the power distribution fork 8 abuts against the guiding portion 103, the power distribution fork 8 also moves to the lower side of the dust collecting electrode 7 at the same time. As mentioned above, when the power distribution fork 8 moves to the adjusting portion 102, it is attracted by the magnetic block 14 to the adjusting push rod 15, which will force the adjusting push rod 15 to release the movement restriction on the power distribution fork 8. The power distribution fork 8 adheres to the surface of the adjusting portion 102 under gravity. At this time, the dust collecting electrode 7 is in a power-off state. Along with the rotation of the support cylinder 6 driven by the motor 3, the power distribution fork 8 will also disengage from the adjusting portion 102 and be located above the guiding portion 103. Since the adjusting portion 102 no longer provides support for the power distribution fork 8, the power distribution fork 8 will continue to move downward under the action of gravity. Combining Figure 7 It can be seen that the downward moving power distribution fork 8 will scrape the dust adsorption surfaces on both sides of the dust collecting electrode 7, so that the adsorbed dust is scraped off from the dust collecting electrode 7. Combining the fact that the dust collecting electrode 7 is in a power-off state at this time, therefore, the scraped dust particles will not be adsorbed by the dust collecting electrode 7 again, further increasing the efficiency of dust scraping. When the power distribution fork 8 moves downward and abuts against the guiding portion 103, the comprehensive scraping work on the outer side of the dust collecting electrode 7 will also be completed. Finally, with the rotation of the support cylinder 6, the power distribution fork 8 moves upward along the resetting portion 104, and after the dust collecting electrode 7 is connected to the high-frequency power supply, it adsorbs the dust particles in the flue gas again. In this way, the dust adsorption surface is completely cleaned after the dust collecting electrode 7 is powered off.

[0044] Regarding the collection work of the dust scraped from the outer side of the dust collecting electrode 7, combining Figure 6 It can be seen that a dust discharging groove 500 is opened at the bottom of the dust removal housing 1 on one side of the guiding portion 103. The opening shape of the dust discharging groove 500 is fan-shaped, so as to ensure that after the dust is scraped off from the dust collecting electrode 7, it will fall into the ash collecting hopper 5 through the dust discharging groove 500 for collection.

[0045] On this basis, in order to give the power distribution fork 8 enough time to clean the dust particles adsorbed on the outer side of the dust collecting electrode 7, combining Figure 5 and Figure 6It can be seen that a switch starting arm 12 is movably installed inside the dust removal housing 1 on one side of the guiding portion 103. Since the switch starting arm 12 is movably arranged on the vertically arranged guide rod in the dust removal housing 1, the switch starting arm 12 is restricted by the guide rod and can only move up and down within a certain range. By using the reset top spring 120 arranged between the switch starting arm 12 and the dust removal housing 1, the reset top spring 120 forces the switch starting arm 12 to always move upward to the top limit position under the elastic force. Finally, the upward moving switch starting arm 12 will release the pressing on the start-stop switch 16 below. Specifically, the start-stop switch 16 is fixed on the dust removal housing 1 and is located below the switch starting arm 12. When the switch starting arm 12 is pushed downward by the distribution fork 8 to press the start-stop switch 16 to be turned on, the motor 3 connected to the start-stop switch 16 will start to rotate; similarly, when the switch starting arm 12 releases the pressing on the start-stop switch 16, the motor 3 stops working. Specifically, in actual application, when the start-stop switch 16 is not pressed by the switch starting arm 12, the motor 3 stops working. At this time, the distribution fork 8 located above the switch starting arm 12 slides downward along the dust collecting electrode plate 7 under its own gravity, and scrapes off the dust particles adsorbed on the outside of the dust collecting electrode plate 7 during the sliding process. The dust particles will finally fall into the dust collecting hopper 5 through the ash discharge groove 500 for collection. As the distribution fork 8 continuously moves downward, it will finally push the switch starting arm 12 downward to press the reset top spring 120 and the start-stop switch 16. Along with the start-stop switch 16 being pressed to start the motor 3, and driven by the support cylinder 6, the dust collecting electrode plate 7 rotates, forcing the dust collecting electrode plate 7 to drive the distribution fork 8 to move towards the reset portion 104. When the distribution fork 8 disengages from the switch starting arm 12, the distribution fork 8 will also release the pressing on the switch starting arm 12. Under the elastic force of the reset top spring 120, the switch starting arm 12 is forced to move upward and release the extrusion on the start-stop switch 16. At this time, the upward moving switch starting arm 12 will be relatively higher than the distribution fork 8, thus preventing the distribution fork 8 from rotating in the reverse direction and squeezing the switch starting arm 12 again. Moreover, after the distribution fork 8 on the dust collecting electrode plate 7 disengages from the switch starting arm 12, the next distribution fork 8 will move above the switch starting arm 12 following the rotation of the dust collecting electrode plate 7, so as to wait for the next distribution fork 8 to fully clean the outside of the dust collecting electrode plate 7 and then realize the re-extrusion of the start-stop switch 16. In this way, it circulates to ensure the intermittent start of the motor 3, so that the distribution fork 8 can fully clean the outside of the dust collecting electrode plate 7.

[0046] Embodiment 3 is a further improvement based on Embodiment 2. The purpose of this Embodiment 3 is to enhance the cleaning intensity of the distribution fork 8 for the dust collecting electrode plate 7 and reduce energy consumption. Please refer to Figure 9 and Figure 10It can be clearly seen that a booster push spring 22 is connected between the inner top of the dust collecting electrode 7 and the distribution fork 8. Under the elastic push of the booster push spring 22 and the influence of the self-weight of the distribution fork 8, the distribution fork 8 is forced to always have a tendency to move downward. Therefore, when the distribution fork 8 moves downward along the dust collecting electrode 7, it is not only affected by its own gravity, but also under the elastic push of the booster push spring 22, which increases the scraping intensity of the distribution fork 8 on the outside of the dust collecting electrode 7, thus preventing the phenomenon that the cleaning strength of the distribution fork 8 is not strong due to its own gravity when encountering a stubborn dust layer.

[0047] Moreover, combined with Figure 6 it can be seen that the vertical surface between the adjustment part 102 and the guiding part 103 is relatively rough. When the support cylinder 6 drives the distribution fork 8 away from the switch starting arm 12, the next distribution fork 8 will move above the switch starting arm 12. As mentioned above, the distribution fork 8 will move downward under the influence of its own gravity and the elastic force of the booster push spring 22. At the same time, there is also a distribution fork 8 on the reset part 104 that has not fully ascended to the limit. From Figure 6 it can be seen that when the booster push spring 22 pushes the distribution fork 8 to move along the reset part 104, it will force the support cylinder 6 to have a tendency to rotate clockwise. The distribution fork 8 above the guiding part 103 rotates in the opposite direction and adheres to the vertical rough surface between the reset top spring 120 and the guiding part 103, so that the distribution fork 8 contacts the vertical rough surface, ultimately increasing the friction force between the two, thereby slowing down the speed of the distribution fork 8 moving downward towards the switch starting arm 12. The reason is that: combined with Figure 6 it can be seen that the flue gas flows from right to left, and the airflow will push the dust collecting electrode 7, forcing the support cylinder 6 to have a tendency to move counterclockwise. If the airflow intensity weakens at this time, it means that the fan has not sent the flue gas in. The downward-slowing distribution fork 8 will cause the start time of the start-stop switch 16 to be slowed down, thereby reducing the frequent start and stop of the motor 3 and reducing the energy consumption; similarly, if the fan sends the flue gas in, the airflow will push the dust collecting electrode 7, forcing its counterclockwise rotation intensity to increase, causing the distribution fork 8 to move relatively away from the vertical rough surface. Combining the elastic force of the booster push spring 22 and the self-weight of the distribution fork 8, the distribution fork 8 is forced to quickly move downward and press the switch starting arm 12, ultimately shortening the start cycle of the motor 3 and ensuring that the dust collecting electrode 7 can be switched more quickly. The cleaned dust collecting electrode 7 will relatively enhance the adsorption intensity of dust particles, thereby increasing the purification effect on the flue gas.

[0048] Example 4 is a supplement to Example 3. Please refer to Figures 8 - 10 it can be seen that there is a dust cleaning tooth row 17 fastened by bolts on the outside of the dust collecting electrode 7, and the dust cleaning tooth row 17 is directly below the locking hole 19. Combined with Figure 10It can be clearly seen that the tooth profile of the dust cleaning tooth row 17 is a right triangle. When the distribution fork 8 moves downward, after the adjusting push rod 15 continuously crosses the inclined plane of the right triangle of the dust cleaning tooth row 17, it will continuously hit the dust collecting electrode plate 7, thereby enhancing the dust cleaning intensity of the dust collecting electrode plate 7 by means of the impact, so that the dust collecting electrode plate 7 adopts the synchronous method of knocking + scraping during the dust cleaning process, thereby enhancing the dust cleaning efficiency.

[0049] Moreover, from Figures 8 - 10 It can be clearly seen that a reset channel 18 is provided on the side of the dust collecting electrode plate 7 on one side of the dust cleaning tooth row 17, and the reset channel 18 is an inclined plane. Among them, the high part of the inclined plane is located above the reset channel 18, and the height of the inclined plane is also relatively lower than that of the dust cleaning tooth row 17. And, a reset sliding groove 20 is provided between the top of the reset channel 18 and the locking hole 19. The reset sliding groove 20 is also an inclined plane, and the locking hole 19 is located at the lower part of the inclined plane. From Figure 10 It can be seen that a displacement slider 23 is movably installed in the distribution fork 8, and the adjusting push rod 15 is installed on the displacement slider 23, so as to realize the left and right movement of the displacement slider 23 driving the adjusting push rod 15 on the distribution fork 8.

[0050] Specifically, when the distribution fork 8 passes through the adjusting part 102, the adjusting push rod 15 is forced to disengage from the locking hole 19 by the magnetic attraction of the magnet 14. At this time, under the elastic force of the boosting spring 22, the distribution fork 8 is pushed downward, and the adjusting push rod 15 moves along the dust cleaning tooth row 17. Until the distribution fork 8 is attached to the adjusting part 102, as the support cylinder 6 rotates continuously, the distribution fork 8 will also disengage from the adjusting part 102 and be located above the switch starting arm 12. During this process, combined with Figure 10 It can be seen that in order to prevent the adjusting push rod 15 from being blocked and accidentally moving in the direction of the reset channel 18 during the upward movement of the distribution fork 8 above the switch starting arm 12, there is an intermediate partition 21 fastened by bolts on the outer top of the dust collecting electrode plate 7, and the intermediate partition 21 is located between the top of the reset channel 18 and the dust cleaning tooth row 17. By using the blocking of the intermediate partition 21 on the adjusting push rod 15, the accidental movement of the adjusting push rod 15 during the movement of the distribution fork 8 is restricted.

[0051] After that, the distribution fork 8 located above the switch starting arm 12 will be pushed downward by the elastic force of the boosting spring 22. If there is no flue gas input into the dust removal housing 1 at this time, as mentioned above, the distribution fork 8 will stick to the vertical rough surface and move slowly. At the same time, the adjusting push rod 15 will move downward along the dust cleaning tooth row 17, further slowing down the downward speed of the distribution fork 8. And, by using the adjusting push rod 15 to continuously cross the inclined plane of the dust cleaning tooth row 17, the adjusting push rod 15 is forced to continuously hit the dust cleaning tooth row 17, thereby realizing vibration dust cleaning.

[0052] If the fan conveys the flue gas into the dust removal housing 1, combined with Figure 6It can be seen that the airflow will cause the support cylinder 6 to tend to deflect counterclockwise. Since there is a limit stop lever 13 inside the dust removal housing 1 that is bolted above the switch activation arm 12, when the distribution fork 8 drives the extended adjustment push rod 15 to move and reach the limit stop lever 13, the limit stop lever 13 will block the extended adjustment push rod 15. As the distribution fork 8 drives the displacement slider 23 to continuously rotate counterclockwise, it will force the adjustment push rod 15 to tend to move towards the reset channel 18. When the adjustment push rod 15 slides from the dust cleaning tooth row 17 into the reset channel 18, due to the upper-high and lower-low arrangement of the reset channel 18, when the adjustment spring 150 pushes the adjustment push rod 15 out, the adjustment push rod 15 has a tendency to move downward along the reset channel 18, thereby enhancing the downward strength of the distribution fork 8 and ensuring that when there is flue gas passing through, the downward strength of the distribution fork 8 increases.

[0053] When the downward-moving distribution fork 8 contacts the switch activation arm 12, the adjustment push rod 15 will also press on the switch activation arm 12. As the support cylinder 6 drives the distribution fork 8 to rotate counterclockwise, it forces the distribution fork 8 to move away from the switch activation arm 12. During this process, since the adjustment push rod 15 presses on the switch activation arm 12 and follows the dust collection electrode 7 to move away from the switch activation arm 12, finally, the adjustment push rod 15 will always move into the reset channel 18.

[0054] When the distribution fork 8 moves onto the reset portion 104, it is pushed by the pressurizing push spring 22 to tend to move downward along the reset portion 104. Also, the adjustment push rod 15 is used to push the reset channel 18 to force the distribution fork 8 to tend to move downward, ensuring that when there is no flue gas entering the dust removal housing 1, the elastic forces of the adjustment spring 150 and the pressurizing push spring 22 force the distribution fork 8 to press against the vertical rough surface with increased strength, further restricting the downward movement speed of the distribution fork 8.

[0055] Finally, when the distribution fork 8 passes over the reset portion 104, the adjustment push rod 15 will also reach the top of the reset sliding groove 20. After that, under the elastic force of the adjustment spring 150, it forces the adjustment push rod 15 to slide into the locking hole 19 along the reset sliding groove 20. In this way, it realizes that the adjustment push rod 15 locks the distribution fork 8 at the top of the dust collection electrode 7 and ensures the connection between the contact ball 9 and the power connection frame 11.

Claims

1. An intermittent high-frequency power supply control mechanism for an electrostatic precipitator, characterized in that: include: A dust removal housing (1), wherein a fan inputs smoke from an air inlet horn (100) into an inner cavity of the dust removal housing (1), and the purified airflow is discharged from an air outlet horn (101), and the collected dust particles fall into an ash collecting hopper (5); an adjustment portion (102) and a reset portion (104) located on one side of the adjustment portion (102) are provided on the inner side of the dust removal housing (1), and the reset portion (104) is a smooth inclined surface; A motor (3) is fixed on the top of the dust removal housing (1); a co-rotating gear set (4) is arranged on the output shaft of the motor (3); a support tube (6) is fixed to the output end of the co-rotating gear set (4); a collector seat (600) is coaxially fastened to the bottom of the support tube (6); The dust collecting plate (7) is fixed to the outside of the support tube (6), and a locking hole (19) is provided at the top of the outside of the dust collecting plate (7); A power distribution cabinet (2) for applying high-frequency power to the dust collecting electric plate (7); A power distribution fork (8) is movably arranged on the outside of the dust collecting electric plate (7), and an electric shock ball (9) is fixedly installed on the top of the power distribution fork (8), and a power rack (11) is fixedly installed on the top of the inner side of the dust collecting housing (1); An adjustment push rod (15) is movably arranged in the power distribution fork (8), and an adjustment spring (150) is connected between the adjustment push rod (15) and the power distribution fork (8); A magnetic block (14) is fixed to the inner side of the dust removal housing (1) and is used to attract the adjustment push rod (15) to disengage it from the locking hole (19); The motor (3) drives the support cylinder (6) to rotate, and the dust collecting plate (7) close to the flue gas path is turned on to adsorb dust particles; the dust collecting plate (7) far from the flue gas path is turned off to reduce useless losses; When the support tube (6) drives the electric shock ball (9) to rotate to above the adjustment part (102), the distribution fork (8) will move downward along the dust collecting plate (7) under the action of gravity, and the electric shock ball (9) will be relatively far away from the power rack (11), and the dust collecting plate (7) will no longer be connected; when the distribution fork (8) moves upward along the reset part (104), the height of the distribution fork (8) is higher than the adjustment part (102), and the electric shock ball (9) on the distribution fork (8) will contact the power rack (11), so that the dust collecting plate (7) is connected to the high-frequency power supply and dust particles are adsorbed.

2. The intermittent high-frequency power supply control mechanism for an electrostatic precipitator according to claim 1, characterized in that: There are multiple dust collecting electric plates (7), and the multiple dust collecting electric plates (7) are distributed at equal angles on the outer side of the support tube (6).

3. The intermittent high-frequency power supply control mechanism for an electrostatic precipitator according to claim 1, characterized in that: A guide portion (103) located between the adjustment portion (102) and the reset portion (104) is provided on the inner side of the dust removal housing (1).

4. The intermittent high-frequency power supply control mechanism for an electrostatic precipitator according to claim 3, characterized in that: The bottom of the dust removal housing (1) is provided with a dust discharge groove (500) located on one side of the guide portion (103).

5. The intermittent high-frequency power supply control mechanism for an electrostatic precipitator according to claim 3, characterized in that: A switch start arm (12) located on one side of the guide portion (103) is movably mounted inside the dust removal housing (1), a return spring (120) is arranged between the switch start arm (12) and the dust removal housing (1), and a start-stop switch (16) located below the switch start arm (12) is fixed to the dust removal housing (1).

6. The intermittent high-frequency power supply control mechanism for an electrostatic precipitator according to claim 5, characterized in that: A boost push spring (22) is connected between the inner top of the dust collecting electric plate (7) and the power distribution fork (8).

7. The intermittent high-frequency power supply control mechanism for an electrostatic precipitator according to claim 6, characterized in that: A cleaning tooth row (17) is fastened to the outer side of the dust collecting electric plate (7), and the cleaning tooth row (17) is located directly below the locking hole (19).

8. The intermittent high-frequency power supply control mechanism for an electrostatic precipitator according to claim 7, characterized in that: A reset groove (18) is provided on the side of the dust collecting plate (7) and is located on one side of the dust cleaning tooth row (17). A reset slide groove (20) is provided between the top of the reset groove (18) and the locking hole (19). A shifting slider (23) is movably installed in the power distribution fork (8). The adjustment push rod (15) is installed on the shifting slider (23). A limit stop rod (13) is fixed inside the dust collecting housing (1).

9. The intermittent high-frequency power supply control mechanism for an electrostatic precipitator according to claim 7, characterized in that: A middle partition (21) is fastened to the top of the outer side of the dust collecting electric plate (7), and the middle partition (21) is located between the reset channel (18) and the top of the dust cleaning tooth row (17).

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