Honeycomb-shaped double-area electrostatic dust collector and system and method based on honeycomb-shaped double-area electrostatic dust collector

Abstract

The invention discloses a honeycomb-shaped double-area electrostatic dust collector and a system and method based on the honeycomb-shaped double-area electrostatic dust collector, and belongs to the technical field of industrial oil mist purification. According to the honeycomb-shaped double-area electrostatic dust collector disclosed by the invention, the charge area and the dust collection area are divided into two independent areas, and the flow equalizing plate and the honeycomb-shaped polar plate in which the power supply and discharge device is arranged are arranged in the charge area, so that the intensity concentration of an electric field in a channel is ensured, and the airflow distribution uniformity and the particle charge effectiveness after air enters are ensured; and the charging area and the dust collection area are two independent areas, so that the energy consumption of the equipment can be reduced by intelligently controlling the electric field intensity and the airflow speed, the operation efficiency is improved, the collection efficiency is remarkably improved, and the technical problem of poor collection efficiency of the existing dust removal equipment is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of industrial oil mist purification, and in particular relates to a honeycomb double-zone electrostatic precipitator and a system and method based thereon. Background Art

[0002] With the rapid development of modern industry, the popularity of the metal processing industry has led to the increasingly serious problem of oil mist pollution in industrial workshops. Metalworking fluids will generate a large amount of oil mist particles when cooling, lubricating and cleaning processed parts. These particles become the main air pollutants in the workshop due to their small particle size and strong diffusion. Long-term exposure to high-concentration oil mist environment not only seriously affects the respiratory health and skin condition of workers, but may also cause occupational diseases and malignant diseases. According to studies, when the oil mist concentration in the workshop exceeds the international standard (such as 0.5 mg / m³ recommended by the US NIOSH), the risk of illness of workers increases significantly. Therefore, how to efficiently purify the air in industrial workshops and reduce the concentration of oil mist has become an important issue.

[0003] In the field of industrial oil mist purification, common dust removal methods include filtration, centrifugal separation and single-zone electrostatic precipitator, but they each have their limitations. The filtration method intercepts oil mist particles through fiber materials. Although the technology is simple, it has problems such as easy clogging, large pressure drop and high maintenance cost. The centrifugal separation method uses centrifugal force to separate particles and gases. It is more efficient for large particles, but the separation effect for submicron particles is poor. Although multi-stage equipment can improve efficiency in series, it significantly increases energy consumption. Single-zone electrostatic precipitators are widely used in the industrial field due to their good collection ability for submicron particles, but their charging and dust collection processes are carried out simultaneously. The internal electric fluid interference leads to insufficient collection efficiency of small particles, and the amount of ozone produced is high, which is not suitable for indoor air purification.

[0004] As an improved device, the dual-zone electrostatic precipitator separates the charging zone and the dust collection zone, successfully solving many problems of traditional methods. Compared with the filtration method, it adsorbs particles through electric field force, does not need to replace the filter material, avoids clogging problems, and has low maintenance costs. Compared with the centrifugal separation method, the dual-zone electrostatic precipitator shows higher collection efficiency for submicron particles, avoiding high energy consumption and equipment complexity. In view of the shortcomings of the single-zone electrostatic precipitator, the dual-zone design effectively reduces the interference of the electric fluid, significantly improves the collection efficiency of small particles by optimizing the plate spacing, and reduces ozone generation, which is more suitable for indoor air purification needs.

[0005] The charging zone of the existing dual-zone electrostatic precipitator adopts a pointed discharge structure (such as fishbone needle electrode or sawtooth thorn electrode) to achieve high-intensity electric field discharge and ensure the uniformity of particle charging. The dust collection zone adopts a parallel plate configuration, and the plate spacing is optimized to increase the dust collection area and reduce airflow resistance. Modular design facilitates the expansion of the processing capacity of dust removal equipment. In terms of operating parameter optimization, charging zone voltage: higher voltage improves particle charging efficiency, but it should be avoided that too high voltage causes ozone production; plate spacing: optimize the plate spacing between the charging zone and the dust collection zone to balance the particle charging efficiency and airflow flow; wind speed control: reducing the wind speed can prolong the residence time of particles in the electric field and improve dust collection efficiency; dual-zone electrostatic precipitator with plates can achieve efficient collection of submicron particles at low energy consumption. The modular design makes it more adaptable to the purification needs of large air volume and high-concentration oil mist in industrial workshops; however, due to the plate-type structure of the dual-zone electrostatic precipitator, the flow of air in the charging zone and the dust collection zone is easily restricted by the electrode arrangement and the plate spacing, and uneven distribution of local airflow may occur, resulting in reduced particle charging and collection efficiency. In addition, in the design of parallel plates, uneven edge electric field strength may cause corona discharge to be concentrated in certain areas, reducing the overall electric field utilization rate; weak discharge phenomena are prone to occur at the edge of the plate, resulting in partial waste of electric energy and performance degradation. The electric field strength distribution in the charging zone is limited, especially under high wind speed conditions, small-size particles may be insufficiently charged, thereby affecting the collection efficiency of the subsequent dust collection zone. In order to ensure the processing air volume and particle collection efficiency, the plate-type design usually requires a larger module size, which occupies more space and is not suitable for miniaturization or integrated applications. The wet honeycomb electrostatic precipitator uses water to capture the collected dust and is a single-zone electrostatic precipitator. The dust collecting electrode adopts a regular hexagonal honeycomb structure, which takes into account the charging and dust collection processes. However, its removal effect on small-size particles and dust collection efficiency are not as good as those of the double-zone electrostatic precipitator. Summary of the invention

[0006] The object of the present invention is to provide a honeycomb dual-zone electrostatic precipitator and a system and method based thereon, so as to solve the technical problem of poor collection efficiency of existing dust removal equipment.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions: The present invention discloses a honeycomb dual-zone electrostatic precipitator, comprising a metal shell, and a charging zone and a dust collecting zone located inside the metal shell and connected to each other; the charging zone comprises a current equalizing plate and a honeycomb pole plate connected to each other, and a power supply and discharge device is arranged inside the honeycomb pole plate; the honeycomb pole plate is connected to the dust collecting zone.

[0008] Furthermore, the supply and discharge device includes a power supply electrode, a discharge electrode and a charging area DC power supply; the discharge electrode is located inside the channel of the honeycomb electrode, and the discharge electrode is connected to the charging area DC power supply located outside the metal shell through the power supply electrode.

[0009] Furthermore, the outer surface of the power supply electrode is coated with an insulating material; and the discharge electrode is needle-shaped or filament-shaped.

[0010] Furthermore, a control unit is provided inside the power supply electrode, and the control unit is connected to a DC power supply in the charging area; An airflow guiding device is arranged between the flow balancing plate and the honeycomb electrode plate; the airflow guiding device is a guide vane.

[0011] Furthermore, a deozonation filter membrane is provided at the connection between the honeycomb electrode plate and the dust collecting area.

[0012] Furthermore, the dust collecting area includes a negative plate in the dust collecting area, a positive plate in the dust collecting area, a DC power supply in the dust collecting area, an ion wind nozzle, an ion wind controlled DC power supply and a dust collecting device; the negative plate in the dust collecting area is connected to the deozonation filter membrane; the positive plate in the dust collecting area is arranged opposite to the negative plate in the dust collecting area, and the DC power supply in the dust collecting area is respectively connected to the negative plate in the dust collecting area and the positive plate in the dust collecting area, and an electrostatic field is formed between the negative plate in the dust collecting area and the positive plate in the dust collecting area; the ion wind nozzle is arranged above the dust collecting area; the ion wind controlled DC power supply is arranged outside the metal shell and connected to the ion wind nozzle; the dust collecting device is arranged below the dust collecting area, and the inlet of the dust collecting device is opposite to the electrostatic field formed between the negative plate in the dust collecting area and the positive plate in the dust collecting area.

[0013] Furthermore, the dust collecting device is a dust collecting box or a cloth bag.

[0014] Furthermore, the cross-sectional shape of the honeycomb electrode plate is hexagonal or circular; and the metal shell is connected to a ground wire.

[0015] The present invention also discloses a method for using the above-mentioned honeycomb dual-zone electrostatic precipitator, comprising the following steps: air first enters the metal shell, and then passes through the flow equalizing plate and the honeycomb pole plate in sequence; the power supply and discharge device inside the honeycomb pole plate separates the charges of particles in the air, and the obtained charged particles are brought into the dust collection area for collection.

[0016] The invention also discloses an electrostatic precipitator system comprising the honeycomb double-zone electrostatic precipitator.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The present invention discloses a honeycomb double-zone electrostatic precipitator, which divides a charging zone and a dust collecting zone into two separate zones, and arranges a flow equalizing plate and a honeycomb electrode plate with a power supply and discharge device placed inside the charging zone, thereby ensuring the concentration of the electric field strength in the channel, ensuring the uniformity of airflow distribution after the air enters and the effectiveness of particle charging, and the arrangement of dividing the charging zone and the dust collecting zone into two separate zones can reduce the energy consumption of the equipment by intelligently controlling the electric field strength and airflow velocity, while improving the operating efficiency, significantly improving the collection efficiency, and solving the technical problem of poor collection efficiency of existing dust removal equipment.

[0018] Furthermore, a honeycomb geometric structure (hexagonal, circular, etc.) is used to optimize the airflow distribution. The internal diameter of the channel is optimized according to the particle size and air volume requirements. The honeycomb units can be modularly stacked to meet the needs of different scales. Needle-shaped or filamentary discharge electrodes are arranged in the center of the honeycomb channel. The material is made of corrosion-resistant alloys (such as titanium alloys and stainless steel). The electrode surface is coated with a highly conductive anti-oxidation coating to extend the service life. The discharge electrodes are evenly spaced to avoid spark discharge between the discharge electrodes.

[0019] Furthermore, an airflow guide device (guide vane) is provided between the charging zone and the dust collecting zone to reduce the occurrence of turbulence; uniform discharge electrodes are arranged in the honeycomb channel to ensure that the electric field strength in the channel is concentrated; a control unit that can automatically adjust the voltage range (for example, 6-12 kV) is provided to dynamically adjust the electric field strength through the control unit to adapt to different particle concentrations.

[0020] Furthermore, a porous flow equalizing plate (pore size 2-5 mm, opening rate 30-40%) is installed at the inlet to ensure that the airflow is evenly distributed before entering the charging area.

[0021] Furthermore, the distance between the plates in the dust collection area is optimized, and the voltage in the dust collection area is dynamically adjusted according to the particle size; negative corona discharge technology is used to reduce the high amount of ozone generated by positive corona. Anti-oxidation material coating is added near the discharge electrode to reduce ozone generation; and an OF filter membrane is set between the charging area and the dust collection area to remove ozone generated by the high-voltage electrode.

[0022] Furthermore, a standardized module design is adopted to achieve linear expansion of air volume through module splicing, and anti-leakage devices are designed at the module joints to ensure the airflow closure; the honeycomb charging area and the dust collection area are stacked vertically or parallel to form a compact layout, integrating the fan, power supply and control system to reduce the space occupied by peripheral equipment; a variable frequency power supply is used to adjust the voltage and wind speed according to the particle concentration to achieve dynamic energy saving; an intelligent control system is equipped to monitor the particle concentration in real time through sensors and adjust the operating parameters.

[0023] Furthermore, the dust collection area uses an ion wind nozzle to blow out longitudinal ion wind, the intensity of which is greater than the horizontal airflow. The ion wind is generated by the ion wind control power supply, and the size of the ion wind is controlled by controlling the voltage and other parameters of the power supply; the ion wind nozzles arranged at the top of the device are arranged at intervals, with equal spacing and as small intervals as possible to ensure full coverage of the dust collecting plate. At the same time, there are also requirements for the angle of the ion wind nozzle, which should be slightly biased towards the place where dust is more concentrated, so that strong dust removal can be achieved in the area with dense dust deposition. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the honeycomb double-zone electrostatic precipitator of the present invention; Among them: 1-metal shell; 2-current balancing plate; 3-honeycomb electrode plate; 4-power supply electrode; 5-discharge electrode; 6-ozonation filter membrane; 7-negative electrode plate in dust collecting area; 8-positive electrode plate in dust collecting area; 9-DC power supply in charging area; 10-DC power supply in dust collecting area; 11-ion wind nozzle; 12-ion wind control DC power supply; 13-dust collecting device; 14-guide plate. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0026] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0027] The present invention discloses a honeycomb dual-zone electrostatic precipitator, in which a charging zone and a dust collecting zone for zoned operation are arranged inside a metal shell 1; and the charging zone includes a flow equalizing plate 2 and a honeycomb electrode plate 3, wherein a power supply and discharge device is arranged inside the honeycomb electrode plate 3 to ensure that a uniformly distributed electric field is formed on the surface of the honeycomb electrode plate 3; wherein the geometric structure of the honeycomb electrode plate 3 can be hexagonal or circular, etc., to optimize the airflow distribution, the internal diameter of the channel is optimized according to the particle size of the processed particles and the air volume requirements, and the honeycomb units can be modularly stacked to meet the requirements of different scales.

[0028] The supply and discharge device includes a power supply electrode 4, a discharge electrode 5 and a charged area DC power supply 9, wherein the discharge electrode 5 is located inside the channel of the honeycomb plate 3, and the discharge electrode 5 is connected to the charged area DC power supply 9 located outside the metal shell 1 through the power supply electrode 4; wherein the discharge electrode 5 inside the channel of the honeycomb plate 3 is a needle-shaped or wire-shaped discharge electrode to ensure that the electric field strength in the channel is concentrated, and a control unit that can automatically adjust the voltage range (for example, 6-12 kV) is provided, and the electric field strength is dynamically adjusted by the control unit to adapt to different particle concentrations, and the material is made of a highly corrosion-resistant alloy (such as titanium alloy, stainless steel), and the electrode surface is coated with a highly conductive anti-oxidation coating to extend the service life, and the discharge electrodes are evenly spaced to avoid spark discharge between the discharge electrodes 5.

[0029] Preferably, an airflow guiding device (guide plate 14) is provided between the flow balancing plate 2 and the honeycomb electrode plate 3 to reduce turbulence.

[0030] Preferably, the flow equalizing plate 2 used at the inlet is porous, with a pore size of 2-5 mm and an opening rate of 30-40%, to ensure that the airflow is evenly distributed before entering the charging area.

[0031] Preferably, a control unit is provided inside the power supply electrode 4 to adjust the power supply voltage, and the control unit is connected to the charging area DC power supply 9 to achieve electric field intensity adjustment.

[0032] Preferably, an ozone removal filter membrane 6 is provided at the connection between the honeycomb pole plate 3 and the dust collecting area to filter the residual ozone and ensure the air quality.

[0033] Preferably, the dust collecting area includes a negative plate 7 in the dust collecting area, a positive plate 8 in the dust collecting area, a DC power supply 10 in the dust collecting area, an ion wind nozzle 11, an ion wind control DC power supply 12 and a dust collecting device 13; the negative plate 7 in the dust collecting area is connected to the deozonation filter membrane 6; the positive plate 8 in the dust collecting area is arranged opposite to the negative plate 7 in the dust collecting area, and the DC power supply 10 in the dust collecting area is respectively connected to the negative plate 7 in the dust collecting area and the positive plate 8 in the dust collecting area, and an electrostatic field is formed between the negative plate 7 in the dust collecting area and the positive plate 8 in the dust collecting area; the ion wind nozzle 11 is arranged above the dust collecting area; the ion wind control DC power supply 12 is arranged outside the metal shell 1 and is connected to the ion wind nozzle 11; the dust collecting device 13 is arranged below the dust collecting area, and the inlet of the dust collecting device 13 is opposite to the electrostatic field formed between the negative plate 7 in the dust collecting area and the positive plate 8 in the dust collecting area. The principle of ion wind is: 1. By ionizing the air, it neutralizes the charged particles adsorbed on the plate. After neutralization, the particles are not charged and fall off the dust collecting plate. It is convenient to remove small particles that are difficult to remove by wet method or single electrostatic precipitator. 2. Use high wind speed to blow away particles with strong inertia and strong adhesion.

[0034] Preferably, the metal shell 1 is connected to the ground wire to ensure the electrical safety of the entire device.

[0035] The present invention is further described in detail below in conjunction with the accompanying drawings: See also Figure 1 As shown, a honeycomb dual-zone electrostatic precipitator disclosed in the present invention includes a metal shell 1, which is located at the outermost layer of the device to form a closed structure to protect the internal components; the interior of the metal shell 1 is coated with a flow equalizing plate 2, a honeycomb electrode 3, a power supply electrode 4, a discharge electrode 5, and an ozone removal filter membrane 6, wherein the metal shell 1 is connected to the ground wire to ensure the electrical safety of the entire device.

[0036] Specifically, the current balancing plate 2 is located inside the metal shell 1, just in front of the honeycomb electrode 3, and the current balancing plate 2 is connected to the power supply electrode 4 for evenly distributing the electric field to ensure that the electric field on the surface of the honeycomb electrode 3 is evenly distributed.

[0037] The honeycomb electrode plate 3 is installed after the current balancing plate 2 and before the discharge electrode 5, and is connected to the power supply electrode 4. The power supply electrode 4 adjusts the voltage through the control unit so that the honeycomb electrode plate 3 generates an electric field.

[0038] The surface of the power supply electrode 4 is covered with insulating material, and contains a control unit inside, which can adjust the power supply voltage and is connected to the charging area DC power supply 9 to achieve electric field strength adjustment.

[0039] The discharge electrode 5 is located behind the honeycomb electrode plate 3 and close to the de-ozonation filter membrane 6. The discharge electrode 5 forms an electric field with the power supply electrode 4 to charge the particles in the air for subsequent collection.

[0040] The ozone removal filter membrane 6 is installed after the discharge electrode 5 and is the last filter barrier before entering the dust collection area. It is directly connected to the negative plate 7 in the dust collection area to filter the residual ozone and ensure the air quality.

[0041] The dust collecting area negative plate 7 is located behind the deozonating filter membrane 6 and on the side opposite to the dust collecting area positive plate 8. The dust collecting area negative plate 7 is connected to the dust collecting area DC power supply 10 to form an electrostatic field to adsorb positively charged particulate matter.

[0042] The positive plate 8 in the dust collecting area is arranged opposite to the negative plate 7 in the dust collecting area to form an electric field. The positive plate 8 in the dust collecting area is also connected to the DC power supply 10 in the dust collecting area to form an electric field to capture negatively charged particles.

[0043] The DC power supply 9 in the charging area is located outside the device to control the voltage of the power supply electrode 4 . The DC power supply 9 in the charging area is connected to the power supply electrode 4 through a wire to adjust the voltage of the honeycomb electrode plate 3 and control the discharge intensity of the discharge electrode 5 .

[0044] The DC power supply 10 in the dust collecting area is located outside the dust collecting area and controls the voltage of the positive and negative plates in the dust collecting area. The DC power supply 10 in the dust collecting area is respectively connected to the positive plate 8 and the negative plate 7 in the dust collecting area to provide a stable DC voltage and form a strong electric field to absorb dust.

[0045] The ion wind nozzle 11 is installed above the dust collecting area, arranged in parallel above the dust collecting device 13, and connected to the ion wind control DC power supply 12 to spray charged ion wind to further remove tiny particles.

[0046] The ion wind control DC power supply 12 is located outside the device, independent of other power supplies, and is directly connected to the ion wind nozzle 11 to control the intensity and frequency of the ion wind.

[0047] The dust collecting device 13 can be a dust collecting box / bag, which is located at the bottom of the dust collecting area and is used to collect adsorbed dust particles, corresponding to the electrostatic field formed by the positive plate 8 and the negative plate 7 in the dust collecting area, so as to facilitate particle sedimentation and centralized collection.

[0048] The working principle of the honeycomb dual-zone electrostatic precipitator disclosed in the present invention is: air first enters the metal shell 1, passes through the current equalizing plate 2 and the honeycomb electrode plate 3 to evenly distribute the electric field, and then charges the particles in the air through the discharge electrode 5; after being filtered by the deozonation filter membrane 6, the charged particles enter the dust collecting area, and under the power supply of the DC power supply 10 in the dust collecting area, the particles are adsorbed by the negative electrode plate 7 and the positive electrode plate 8 in the dust collecting area; the ion wind nozzle 11 controls the DC power supply 12 to spray ion wind through ion wind, so as to further remove fine particles; finally, the particulate matter settles in the dust collecting box / bag to complete the air purification.

[0049] The dust collecting airflow of the device of the present invention flows horizontally, and the particles on the plate are removed by longitudinal airflow. Reasonable arrangement of the airflow direction can make the particle removal rate higher. It is discussed from the following aspects: 1) The dust collector has its own fan, which needs to inhale air. The airflow direction is horizontal, and the longitudinal ion wind is not blown directly by the dual-zone electrostatic structure. The dust collection efficiency is low, and the horizontal airflow and the vertical airflow will interfere with each other, forming vortexes, which is not conducive to dust removal. 2) If the ion wind is designed to be horizontal, an ion rod is required. Its principle is similar to that of the plate dust collection, so there is no need to add an ion wind nozzle 11 or an ion wind rod. It is a simple plate dust collection model. This model is changed to dual-zone electrostatics to better collect small-scale particles and has a higher dust collection efficiency. The charged area is changed to a honeycomb shape to make the electric field uniform, offsetting part of the back corona effect, and generating less ozone, but it is also necessary to equip it with a wet water flow system to regularly clean the dust adsorbed on the dust collecting plate. 3) The present invention utilizes the installation of a longitudinal ion wind nozzle 11. When the dust collector is working, the ion wind nozzle 11 is closed, which is a normal dust collection process. When a certain amount of dust is collected on the electrode plate, if it is not cleaned and dust removed in time, the charged body attached to the electrode plate generates a reverse electric field, which reduces the dust collection efficiency and makes it more difficult for ions to settle on the electrode plate. Therefore, the dust removal mode is switched at this time, that is, the ion wind nozzle 11 is turned on to neutralize and remove the particles adsorbed on the electrode plate. After the treatment, the working mode is switched to the collection mode.

[0050] The above contents are only for explaining the technical idea of ​​the present invention and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the claims of the present invention.

Claims

1. A honeycomb dual-zone electrostatic precipitator, characterized in that: It comprises a metal shell (1), and a charging area and a dust collection area located inside the metal shell (1) and connected to each other; the charging area comprises a current equalizing plate (2) and a honeycomb pole plate (3) connected to each other, and a power supply and discharge device is arranged inside the honeycomb pole plate (3); the honeycomb pole plate (3) is connected to the dust collection area.

2. A honeycomb dual-zone electrostatic precipitator according to claim 1, characterized in that: The supply and discharge device comprises a power supply electrode (4), a discharge electrode (5) and a charging area DC power supply (9); the discharge electrode (5) is located inside the channel of the honeycomb electrode plate (3), and the discharge electrode (5) is connected to the charging area DC power supply (9) located outside the metal shell (1) through the power supply electrode (4).

3. A honeycomb dual-zone electrostatic precipitator according to claim 2, characterized in that: The outer surface of the power supply electrode (4) is coated with insulating material; the discharge electrode (5) is needle-shaped or filament-shaped.

4. A honeycomb dual-zone electrostatic precipitator according to claim 2, characterized in that: A control unit is provided inside the power supply electrode (4), and the control unit is connected to a DC power supply (9) in the charging area; An airflow guiding device is provided between the flow balancing plate (2) and the honeycomb pole plate (3); the airflow guiding device is a guide plate (14).

5. The honeycomb dual-zone electrostatic precipitator according to claim 1, characterized in that: A deozonation filter membrane (6) is provided at the connection between the honeycomb pole plate (3) and the dust collection area.

6. A honeycomb dual-zone electrostatic precipitator according to claim 5, characterized in that: The dust collecting area comprises a dust collecting area negative plate (7), a dust collecting area positive plate (8), a dust collecting area DC power supply (10), an ion wind nozzle (11), an ion wind control DC power supply (12) and a dust collecting device (13); the dust collecting area negative plate (7) is connected to the deozonation filter membrane (6); the dust collecting area positive plate (8) is arranged opposite to the dust collecting area negative plate (7), and the dust collecting area DC power supply (10) is respectively connected to the dust collecting area negative plate (7) and the dust collecting area positive plate (8). The metal housing (1) is connected to form an electrostatic field between the negative plate (7) and the positive plate (8) in the dust collecting area; the ion wind nozzle (11) is arranged above the dust collecting area; the ion wind control DC power supply (12) is arranged outside the metal housing (1) and connected to the ion wind nozzle (11); the dust collecting device (13) is arranged below the dust collecting area, and the inlet of the dust collecting device (13) is opposite to the electrostatic field formed between the negative plate (7) and the positive plate (8) in the dust collecting area.

7. A honeycomb dual-zone electrostatic precipitator according to claim 6, characterized in that: The dust collecting device (13) is a dust collecting box or a cloth bag.

8. The honeycomb dual-zone electrostatic precipitator according to claim 1, characterized in that: The cross-sectional shape of the honeycomb electrode plate (3) is hexagonal or circular; and the metal shell (1) is connected to a ground wire.

9. The method for using the honeycomb dual-zone electrostatic precipitator according to claim 1, characterized in that: The method comprises the following steps: air first enters a metal shell (1), then passes through a flow equalizing plate (2) and a honeycomb electrode plate (3) in sequence; a power supply and discharge device inside the honeycomb electrode plate (3) causes the particles in the air to be charged and separated, and the charged particles obtained are brought into a dust collection area for collection.

10. An electrostatic dust removal system, characterized in that: A honeycomb dual-zone electrostatic precipitator comprising any one of claims 1 to 8.

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