Mechanical and pneumatic double vibration type electrostatic precipitator

Abstract

The present invention discloses a mechanical-pneumatic double-vibration electrostatic precipitator, comprising a cathode system, an anode system, a high-voltage power supply, a shell, a mechanical vibrating device and a pneumatic vibrating device. The cathode system and the anode system are respectively distributed in the shell. When the high-voltage power supply is energized, on the one hand, the cathode system and the anode system can cooperate to form an electric field, and on the other hand, the cathode system can be used to ionize the air. The cathode system and the anode system can be mechanically vibrated and cleaned by a mechanical vibrating device arranged on one side. The pneumatic vibrating device can pneumatically vibrate and clean the cathode system and the anode system on the side facing away from the mechanical vibrating device. The dust removal effect is good, the space occupancy is low, and the service life is long.

Description

Technical Field

[0001] The present invention relates to the technical field of flue gas pollutant treatment, in particular to the technical field of electrostatic precipitators. Background Art

[0002] Electrostatic precipitator is the mainstream equipment for industrial flue gas dust removal and is widely used in industries such as electricity, steel, cement and chemical industry. It has the advantages of low pressure drop loss, no clogging, large flue gas processing volume and high dust removal efficiency. Electrostatic precipitator usually works together with corona electrode (cathode system) and dust collecting electrode (anode system). Among them, the cathode system can generate corona and ionize the nearby air after being energized. The dust particles will collide with negative ions, become charged and form negative particles while flowing through the corona electrode and the dust collecting electrode as the flue gas flows. The negatively charged dust particles will move toward the anode plate under the action of the electric field force and gradually adsorb on the anode plate (when the dust particles deposited on the anode plate reaches a certain thickness, the vibration mechanism can vibrate the anode plate to make the dust layer fall into the ash hopper), and the purified gas will be discharged from the tail of the electric field at the same time.

[0003] Conventional vibrating methods of vibrating mechanisms mainly include mechanical vibrating and electromagnetic vibrating. The electromagnetic vibrating method usually requires the arrangement of an electromagnetic vibrator in a space of 2 to 3 meters at the top of the inner cavity of the electrostatic precipitator, such as a small-scale high-efficiency tubular electrostatic precipitator with publication number CN108246505A and a top electromagnetic vibrating integrated control device with announcement number CN102553383B. This vibrating method vibrates the anode plate from the top downward, so the anode plate is easily unable to be effectively cleaned due to the low vibrating force on the lower side and is easily damaged due to the excessive vibrating force on the top. At the same time, the electromagnetic vibrating method usually has a large number of vibrating points, which is prone to problems such as local corrosion caused by air leakage and increased flue gas processing volume. Similarly, mechanical vibrating The beating method also usually arranges the mechanical vibrator on one side of the electric field, and there is a problem of uneven distribution of the vibration force, such as a side mechanical vibration electrostatic precipitator with announcement number CN211865458U and a side vibration electrostatic precipitator with a conductive filter plate with announcement number CN220143684U; in addition, the mechanical vibration method often has the problem that the vibration force cannot be adjusted and the length of the electrostatic precipitator is too long (that is, the electrostatic precipitator occupies too much space) due to the large invalid space in the length direction of the electric field; that is, the existing vibration method cannot adjust the vibration force distribution according to the different dust accumulation characteristics under different working conditions because the vibration point position is fixed and can only be arranged on one side and the vibration degree cannot be freely adjusted according to different parts of the anode plate.

[0004] Under the dual carbon background, the co-firing of biomass (sludge) in coal-fired units is the main way to reduce CO2 emissions; however, under the co-firing of biomass, the ratio of fine particles below PM1 in the flue gas dust entering the electrostatic precipitator increases significantly, which leads to a significant increase in the degree of dust accumulation and corrosion of the electrostatic precipitator; in addition, when treating flue gas from burning high-moisture coal, sintering machine head flue gas and papermaking alkali furnace flue gas, due to the characteristics of strong adhesion, large repose angle and light dust, the dust adheres to the anode plate and is not easy to be vibrated and cleaned. The phenomenon is more obvious; at this time, if ordinary cleaning enhancement measures are adopted (such as increasing the vibration cleaning force and increasing the cleaning frequency), a dust layer cannot be formed during vibration (that is, the dust thickness does not reach a certain value), resulting in the dust vibrated down unable to form agglomerates and re-enter the flue gas (that is, secondary dust), ultimately reducing the dust removal efficiency; in addition, under the above circumstances, the cathode line is also very prone to dust accumulation. Summary of the Invention

[0005] The purpose of the present invention is to solve the problems in the prior art and to propose a mechanical-pneumatic double-vibration type electrostatic precipitator with good dust removal effect, low space occupation and long service life.

[0006] To achieve the above-mentioned objectives, the present invention proposes a mechanical-pneumatic double-vibrating electrostatic precipitator, comprising a cathode system, an anode system, a high-voltage power supply, a casing, a mechanical vibrating device and a pneumatic vibrating device. The cathode system and the anode system are respectively distributed in the casing. When the high-voltage power supply is energized, on the one hand, the cathode system and the anode system can cooperate to form an electric field, and on the other hand, the cathode system can be used to ionize the air. The cathode system and the anode system can be mechanically vibrated and cleaned by a mechanical vibrating device arranged on one side, and the pneumatic vibrating device can pneumatically vibrate and clean the cathode system and the anode system on the side facing away from the mechanical vibrating device.

[0007] Preferably, the pneumatic rapping device includes a pneumatic rapper, a pipeline, a pneumatic solenoid valve and an air source. Every 2 to 10 pneumatic rappers are connected in series through pipelines to form a pneumatic rapping group. Each group of pneumatic rapping groups is individually controlled to open and close by a corresponding pneumatic solenoid valve. The pneumatic rapping groups of each group are connected in parallel through pipelines and connected to the air source.

[0008] Preferably, an integrated filter pressure reducing valve and a shut-off valve are provided between the air source and each pneumatic rapping group.

[0009] Preferably, the outer shell has a plurality of separation chambers arranged in sequence from the air inlet to the air outlet, the cathode system uses a cathode frame to vertically place the cathode wire in each separation chamber, the cathode frame has transverse frame rods arranged in sequence along the vertical direction, the cathode wire can be vibrated separately by mechanical vibrating devices and pneumatic vibrators arranged on opposite sides of the transverse frame rod and located at different layers, the anode system uses an anode vibrating rod to vertically place the anode plate in each separation chamber, the anode vibrating rod is located at the bottom of the anode plate, and the anode plate can be vibrated separately by mechanical vibrating devices and pneumatic vibrators arranged on opposite sides of the anode vibrating rod.

[0010] Preferably, the transverse frame rods are distributed in 3 to 7 layers in the vertical direction; for the cathode system, a group of mechanical rapping devices is arranged every at least one layer of the transverse frame rods, and no pneumatic rappers are arranged on the transverse frame rods located at the top and bottom layers.

[0011] Preferably, the pneumatic rapper includes a casing, a piston, a spring and an impact head. The piston can slide in the casing along the straight track of the casing. The spring is located in the straight track of the casing and has an elastic tendency to push the piston close to and close the air inlet. The air inlet can be pushed away from the piston when air is taken in and indirectly impact the cathode system or the anode system through the impact head.

[0012] Preferably, a permanent magnet is installed in the piston, and an electromagnet is also provided in the housing, which can return the piston to its original position by attracting or repelling the permanent magnet after the piston completes the impact.

[0013] Preferably, the piston is composed of a piston head, a piston rod and an impact block connected in sequence. The spring is arranged outside the piston rod and the impact block and its two ends are respectively fixed to the piston head and the casing. The casing has an air hole connecting the shell straight channel with the outside world, and the air hole is located on the side of the piston head facing away from the air inlet.

[0014] Preferably, a buffer chamber is provided at one end of the shell straight away from the air inlet, a movable wheel is rotatably connected to the buffer chamber, an eccentrically arranged buffer channel is provided on the side of the movable wheel facing the piston, and the pneumatic vibrator can utilize a driving mechanism to drive the movable wheel to rotate so that the buffer channel faces the impact block and allows the impact block to temporarily extend into it.

[0015] Preferably, the driving mechanism includes a driving gear and a motor. The motor is externally disposed on the surface of the casing and can indirectly drive the movable wheel to rotate via the driving gear meshing with the movable wheel.

[0016] Beneficial effects of the present invention:

[0017] 1) By installing a unilateral mechanical rapping device on the cathode system and the anode system to utilize the mechanical rapping force for basic ash cleaning, and adding a pneumatic rapping device on the side of the cathode system and the anode system opposite to the mechanical rapping force (for the cathode system, the mechanical rapping device and the pneumatic rapping device need to be on different layers), the pneumatic rapping device can be used to carry out targeted and precise ash cleaning of the parts that were originally unable to effectively transmit the mechanical rapping force. On the one hand, it avoids the problem that the operating current and voltage of the electrostatic precipitator cannot reach the effective value due to dust accumulation, and at the same time avoids the phenomenon that the mechanical rapping device causes component damage or shortens the service life due to increased mechanical rapping force. On the other hand, it can also make effective use of the longitudinal space of the electrostatic precipitator (the conventional pure mechanical rapping arrangement requires a rapping space of 1.5 to 2 meters, while the composite rapping arrangement only requires a rapping space of 0.5 to 1 meter, which improves space utilization, reduces the amount of steel used in the shell, and increases site utilization);

[0018] 2) By combining a pneumatic vibrator, pipeline, pneumatic solenoid valve, air source, and integrated filter pressure reducing valve and shut-off valve to form a pneumatic vibrating device, the on / off of different valves, air source pressure, and vibrating interval logic can be controlled according to the changes in different coal types and load conditions, thereby accurately controlling the pneumatic vibrating position and force (enabling online real-time adjustment of the electrostatic precipitator's cleaning vibrating force);

[0019] 3) The main body of the pneumatic rapper is composed of a casing, a piston, a spring, and an impact head. A permanent magnet and an electromagnet are installed in the piston and casing respectively. After the piston completes the impact, the electromagnet is activated to attract or repel the permanent magnet, so that the piston can return to its original position as soon as possible instead of repeatedly impacting the cathode system or the anode system. This ensures that the dust can fall in an optimal layer, avoids the generation of secondary dust, and has high dust removal efficiency and good cleaning effect.

[0020] 4) By adding a movable wheel with an eccentrically arranged buffer channel at the end of the shell straight away from the air inlet, the driving mechanism can be used to drive the movable wheel to rotate so that on the one hand the buffer channel is directly opposite the impact block so that the impact block can temporarily extend into and isolate the impact force; on the other hand, the buffer channel and the impact block are staggered so that the impact force can be smoothly transmitted outward.

[0021] The features and advantages of the present invention will be described in detail through embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of embodiment 1;

[0023] Figure 2 yes Figure 1 An enlarged schematic diagram of point A;

[0024] Figure 3 1 is a schematic diagram of the assembly of the anode system, mechanical rapping device and pneumatic rapping device of the first embodiment;

[0025] Figure 4 Schematic diagram of the air distribution of the pneumatic rapping device of embodiment 1;

[0026] Figure 5 1 is a schematic diagram of a group of a pneumatic rapping device according to the first embodiment;

[0027] Figure 6 It is a front view of the pneumatic rapper of Example 2;

[0028] Figure 7 1 is a schematic diagram of the internal structure of the pneumatic rapper of the second embodiment when not impacting;

[0029] Figure 8 1 is a schematic diagram of the internal structure of the pneumatic rapper of the second embodiment when it has impacted;

[0030] Figure 9 It is a top view of the movable wheel of the second embodiment.

[0031] In the figure: 1-cathode system, 11-cathode wire, 12-cathode frame, 121-transverse frame rod, 122-longitudinal frame rod, 13-cathode suspension, 2-anode system, 21-anode plate, 22-anode rapping rod, 3-high voltage power supply, 4-housing, 5-mechanical rapping device, 6-pneumatic rapping device, 61-pneumatic rapper, 611-casing, 6111-housing straight channel, 6112-air inlet, 6113-air hole, 6114-buffer chamber, 612-piston, 613-spring, 614-impact head, 615-electromagnet, 616-permanent magnet, 617-movable wheel, 6171-buffer channel, 618-driving gear, 619-motor, 62-pipeline, 63-pneumatic solenoid valve, 64-integrated filter pressure reducing valve, 65-stop valve. DETAILED DESCRIPTION

[0032] Example 1:

[0033] See Figures 1 to 5 The mechanical and pneumatic double-vibration electrostatic precipitator of the present invention includes a cathode system 1, an anode system 2, a high-voltage power supply 3, a shell 4, a mechanical vibrating device 5 and a pneumatic vibrating device 6. The cathode system 1 and the anode system 2 are respectively distributed in the shell 4. When the high-voltage power supply 3 is energized, on the one hand, the cathode system 1 and the anode system 2 can cooperate to form an electric field, and on the other hand, the cathode system 1 can be used to ionize the air. The cathode system 1 and the anode system 2 can be mechanically vibrated and cleaned by the mechanical vibrating device 5 set on one side, and the pneumatic vibrating device 6 can be pneumatically vibrated and cleaned on the side of the cathode system 1 and the anode system 2 facing away from the mechanical vibrating device 5.

[0034] The pneumatic rapping device 6 includes a pneumatic rapper 61, a pipeline 62, a pneumatic solenoid valve 63 and an air source. Every five pneumatic rappers 61 are connected in series through pipelines 62 to form a group of pneumatic rapping groups. Each group of pneumatic rapping groups is individually controlled to open and close by a corresponding pneumatic solenoid valve 63. Each group of pneumatic rapping groups is connected in parallel through pipelines 62 and connected to the air source; wherein the pneumatic solenoid valve 63 is a two-position, three-way normally open valve with a ferrule at both ends that can be connected to a metal round tube; the characteristics of the pipeline 62 are The pipe section in the internal flue gas environment of the electrostatic precipitator is made of 316L or higher stainless steel (needs to meet the corrosion, dust wear and other requirements of the internal flue gas environment of the electrostatic precipitator), while the pipe section in the external environment of the electrostatic precipitator is made of 304 or higher stainless steel (that is, ordinary instrument piping materials that meet the corrosion requirements of open-air environments). During installation, the anti-drop rope and hook of the pneumatic rapper 61 can be welded on-site at a fixed position on the side of the walkway. In addition, the operating parameters of the pneumatic rapper 61 can be referred to in Table 1 below:

[0035]

[0036] Table 1 Pneumatic vibrating hammer reference operating parameters

[0037] An integrated filter pressure reducing valve 64 and a stop valve 65 are also provided between the air source and each pneumatic rapping group.

[0038] The shell 4 has a plurality of separation chambers arranged in sequence from the air inlet to the air outlet, and the cathode system 1 uses a cathode frame 12 to vertically place the cathode wire 11 in each separation chamber, and the cathode frame 12 has horizontal frame rods 121 arranged in sequence along the vertical direction. The cathode wire 11 can be respectively vibrated by a mechanical rapping device 5 and a pneumatic rapper 61 arranged on opposite sides of the horizontal frame rod 121 and located on different layers (for the cathode wire 11, the mechanical rapping device 5 and the pneumatic rapper 61 are not arranged on the horizontal frame rod 121 located on the same layer), and the anode system 2 uses an anode rapping rod 22 to vertically place the anode plate 21 in each separation chamber, and the anode rapping rod 22 is located at the bottom of the anode plate 21, and the anode plate 21 can be vibrated by a mechanical rapping device 5 and a pneumatic rapper 61 arranged on opposite sides of the horizontal frame rod 22 and located on different layers. The mechanical rapping devices 5 and the pneumatic rappers 61 on the opposite sides are rapped respectively; in addition, the cathode frame 12 is connected to the outer shell 4 through the cathode hanger 13, and the horizontal frame rods 121 of each layer are connected together through the longitudinal frame rods 122; when the viscosity of the flue gas dust increases, if only the mechanical rapping device 5 is used to perform conventional mechanical rapping on the cathode wire 11 and the anode plate 21, the cathode wire 11 and the anode plate 21 on the opposite side of the mechanical rapping position are prone to sticky dust and affect the dust removal efficiency; this design of adding a pneumatic rapper 61 to the position of the cathode wire 11 and the anode plate 21 opposite to the mechanical rapping position (that is, the position where the mechanical rapping force on the opposite side is smaller) can effectively improve the cleaning effect on the one hand, and on the other hand, it can also avoid the problem of reduced life of the rapping accessories due to the weight of the mechanical rapping hammer exceeding a certain value.

[0039] The transverse frame rods 121 are distributed in 5 layers in the vertical direction; for the cathode system 1, a group of mechanical rapping devices 5 are arranged for each layer of the transverse frame rods 121, and no pneumatic rappers 61 are arranged on the transverse frame rods 121 located at the top and bottom layers; specifically, the mechanical rapping devices 5 are arranged at the left ends of the transverse frame rods 121 of the second and fourth layers from top to bottom, and the pneumatic rappers 61 are arranged at the right end of the transverse frame rods 121 of the third layer from top to bottom.

[0040] The working process of this embodiment:

[0041] When the high-voltage power supply 3 is energized, the cathode system 1 can discharge and ionize the air through each cathode wire 11, and at the same time, an electric field will be formed between the cathode system 1 (with negative high voltage) and the anode system 2 (grounded) (that is, the electric field force is provided by the high-voltage potential difference); when the flue gas flows through the outer shell 4 along the air inlet and the air outlet, most of the dust therein can be adsorbed onto the anode plate 21 under the action of the electric field force after being loaded with negative charge, and a small amount of dust will be adsorbed onto the cathode wire 11 under the action of the electric field force after being loaded with positive charge; during use, workers can use the mechanical vibrating device 5 to mechanically vibrate and remove dust on the cathode wire 11 or the anode plate 21, and on the other hand, they can use the pneumatic vibrating device 6 to pneumatically vibrate and remove dust on the cathode wire 11 or the anode plate 21 (the degree of pneumatic vibrating can be adjusted by different jet frequencies and jet pressures according to the dust adhesion conditions of different parts).

[0042] Example 2:

[0043] See Figures 6 to 9 The pneumatic rapper 61 includes a housing 611, a piston 612, a spring 613 and an impact head 614. The piston 612 can slide in the housing 611 along the housing straight channel 6111. The spring 613 is located in the housing straight channel 6111 and has an elastic tendency to push the piston 612 to approach and close the air inlet 6112. The air inlet 6112 can be pushed away from the piston 612 when air is taken in and indirectly impact the cathode system 1 or the anode system 2 through the impact head 614.

[0044] A permanent magnet 616 is installed in the piston 612, and an electromagnet 615 is also provided in the housing 611, which can return the piston 612 to its original position by attracting or repelling the permanent magnet 616 after the piston 612 completes the impact.

[0045] The piston 612 is composed of a piston head, a piston rod and an impact block connected in sequence. The spring 613 is arranged outside the piston rod and the impact block, and its two ends are respectively fixed to the piston head and the housing 611. The housing 611 has an air hole 6113 connecting the shell straight channel 6111 with the outside world. The air hole 6113 is located on the side of the piston head facing away from the air inlet 6112.

[0046] A buffer chamber 6114 is further provided at one end of the shell straight channel 6111 away from the air inlet 6112, and a movable wheel 617 is rotatably connected to the buffer chamber 6114. An eccentrically arranged buffer channel 6171 is provided on the side of the movable wheel 617 facing the piston 612. The pneumatic vibrator 61 can utilize a driving mechanism to drive the movable wheel 617 to rotate so that the buffer channel 6171 faces the impact block and allows the impact block to temporarily extend into it.

[0047] The driving mechanism includes a driving gear 618 and a motor 619 . The motor 619 is externally disposed on the surface of the housing 611 and can indirectly drive the movable wheel 617 to rotate by meshing with the driving gear 618 .

[0048] The working process of this embodiment:

[0049] like Figure 7 As shown, when compressed air is not introduced into the pneumatic rapper 61, the piston 612 will be tightly attached to the end of the shell straight channel 6111 close to the air inlet 6112 under the elastic force of the spring 613 (the electromagnet 615 can also be activated to further ensure that the piston 612 is in place); Figure 8 As shown, if the pneumatic solenoid valve 63 is opened and the compressed air is allowed to enter the shell straight channel 6111 along the air inlet 6112, when the pushing force of the compressed air is greater than the elastic force of the spring 613 (or greater than the sum of the elastic force of the spring 613 and the magnetic attraction force of the electromagnet 615), the piston 612 can quickly move away from the air inlet 6112 under the push of the compressed air until the impact force is transmitted to the cathode system 1 or the anode system 2 through the impact head 614; wherein, the pneumatic vibration interval time and the pneumatic knocking force can be adjusted by the pneumatic solenoid valve 63 and the air source; when the pneumatic solenoid valve 63 stops being energized, the piston 612 will return to its initial state under the action of the rebound force of the spring 613.

[0050] After each collision is completed, the electromagnet 615 can be started and the permanent magnet 616 can be attracted to further ensure that the piston 612 quickly fits against the housing 611, thereby preventing the piston 612 from repeatedly striking the cathode system 1 or the anode system 2 due to the back and forth expansion and contraction of the spring 613 (if the cathode line 11 or the anode plate 21 is struck before the surface dust particles have not reached a certain thickness, the surface dust particles will not be able to be fed in the state of a dust layer, which is likely to cause secondary dust); in addition, the motor 619 can be used to drive the driving gear 618 to rotate, thereby driving the movable wheel 617 to rotate until the buffer channel 6171 faces the collision block; at this time, if the piston 612 is still close to the movable wheel 617, the buffer channel 6171 can provide space for the collision block to temporarily enter, thereby preventing the impact force from being transmitted.

[0051] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. Mechanical and pneumatic double vibration type electrostatic precipitator, characterized by: The invention comprises a cathode system (1), an anode system (2), a high-voltage power supply (3), a housing (4), a mechanical vibration device (5) and a pneumatic vibration device (6), wherein the cathode system (1) and the anode system (2) are respectively arranged in the housing (4); when the high-voltage power supply (3) is energized, on the one hand, the cathode system (1) and the anode system (2) can cooperate to form an electric field; on the other hand, the cathode system (1) can be used to ionize air; the cathode system (1) and the anode system (2) can be mechanically vibrated and cleaned by the mechanical vibration device (5) provided on one side; and the pneumatic vibration device (6) can be pneumatically vibrated and cleaned on the side of the cathode system (1) and the anode system (2) facing away from the mechanical vibration device (5); The pneumatic rapping device (6) comprises a pneumatic rapper (61), a pipeline (62), a pneumatic solenoid valve (63) and an air source, wherein every 2 to 10 pneumatic rappers (61) are connected in series through the pipeline (62) to form a pneumatic rapping group, and each group of pneumatic rapping groups is individually controlled to open and close by a corresponding pneumatic solenoid valve (63). The pneumatic rapping groups of each group are connected in parallel through the pipeline (62) and connected to the air source; an integrated filter pressure reducing valve (64) and a stop valve (65) are also provided between the air source and each group of pneumatic rapping groups; The pneumatic rapper (61) includes a housing (611), a piston (612), a spring (613) and an impact head (614); the piston (612) can slide along the housing straight path (6111) in the housing (611); the spring (613) is located in the housing straight path (6111) and has an elastic tendency to push the piston (612) close to and close the air inlet (6112); the air inlet (6112) can be pushed away from the piston (612) when air is introduced and indirectly impact the cathode system (1) or the anode system (2) through the impact head (614); A permanent magnet (616) is installed in the piston (612), and an electromagnet (615) is also installed in the housing (611) to return the piston (612) to its original position by attracting or repelling the permanent magnet (616) after the piston (612) completes the impact. After each impact is completed, the electromagnet (615) can be activated to attract the permanent magnet (616) to further ensure that the piston (612) quickly adheres to the housing (611). The piston (612) is composed of a piston head, a piston rod and a collision block connected in sequence. The spring (613) is sleeved outside the piston rod and the collision block and its two ends are fixed to the piston head and the housing (611) respectively. The housing (611) has an air hole (6113) connecting the housing straight channel (6111) with the outside world. The air hole (6113) is located on the side of the piston head facing away from the air inlet (6112); the end of the housing straight channel (6111) away from the air inlet (6112) is also provided with a buffer chamber (611 4) A movable wheel (617) is rotatably connected to the buffer chamber (6114), and an eccentrically arranged buffer channel (6171) is provided on the side of the movable wheel (617) facing the piston (612). The pneumatic rapper (61) can use a driving mechanism to drive the movable wheel (617) to rotate so that the buffer channel (6171) faces the impact block and allows the impact block to temporarily extend therein; after each impact is completed, the driving mechanism can be used to drive the movable wheel (617) to rotate until the buffer channel (6171) faces the impact block; The housing (4) has a plurality of separation chambers arranged in sequence from the air inlet to the air outlet. The cathode system (1) uses a cathode frame (12) to vertically place the cathode wire (11) in each separation chamber. The cathode frame (12) has transverse frame rods (121) arranged in sequence along the vertical direction. The cathode wire (11) can be vibrated by a mechanical vibrating device (5) and a pneumatic vibrator (61) arranged on opposite sides of the transverse frame rod (121) and located at different layers. The anode system (2) uses an anode vibrating rod (22) to vibrate the anode plate (2 1) The anode rapping rod (22) is vertically arranged in each separation chamber, the anode rapping rod (22) is located at the bottom of the anode plate (21), and the anode plate (21) can be rapped respectively by a mechanical rapping device (5) and a pneumatic rapper (61) arranged on opposite sides of the anode rapping rod (22); the transverse frame rod (121) is distributed in five layers in the vertical direction, the mechanical rapping device (5) is arranged at the left end of the transverse frame rod (121) of the second and fourth layers from top to bottom, and the pneumatic rapper (61) is arranged at the right end of the transverse frame rod (121) of the third layer from top to bottom.

2. The mechanical-pneumatic dual-vibration electrostatic precipitator according to claim 1, characterized in that: The driving mechanism includes a driving gear (618) and a motor (619). The motor (619) is externally disposed on the surface of the housing (611) and can indirectly drive the movable wheel (617) to rotate via the driving gear (618) meshing with the movable wheel (617).

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