69results about "Vapor flow control" patented technology

The invention provides a pulverized coal concentration device based on a charge method and a control method of the pulverized coal concentration device, and belongs to the field of combustion of coal-fired boilers. The problems that a traditional inertia separation technology is low in separation efficiency and prone to abrasion in the low-load stable combustion process of the pulverized coal boiler are solved. Comprising a corona discharge device, a grounding device, a central discharge device, a concentrated pulverized coal pipeline and a light-phase pulverized coal pipeline, a guide plate is arranged at an inlet of the concentrated pulverized coal pipeline, one end of the light-phase pulverized coal pipeline is inserted into the concentrated pulverized coal pipeline, and the other end of the light-phase pulverized coal pipeline is located on the outer side of the concentrated pulverized coal pipeline; the corona discharge device is arranged on the outer side wall, corresponding to the insertion section of the light-phase pulverized coal pipeline, of the concentrated pulverized coal pipeline, the grounding device is of an annular structure and arranged on the outer side of the corona discharge device in a surrounding mode, and a wear-resistant lining is arranged on the inner wall of the concentrated pulverized coal pipeline. The device is mainly used for improving the pulverized coal concentration of the pulverized coal boiler during low-load operation.

The invention discloses a smoke dust collecting and purifying system and a purifying method. The smoke dust collection and purification system comprises a dust removal device, a ventilation device, an electrostatic dust removal ventilator and a solar cell panel driving device, the dust removal device is connected with the electrostatic dust removal ventilator, and the solar cell panel driving device is fixed to the upper portion of the electrostatic dust removal ventilator. The dust removal device collects and purifies smoke dust for the first time, meanwhile, purified exhaust air and outdoor fresh air are mixed and introduced into the middle of the workshop, the smoke dust escaping from the workshop continues to move upwards, then the smoke dust in the workshop is collected and purified for the second time through the electrostatic dust removal ventilator, and a solar cell panel is flexibly opened and closed; air flow in a workshop can be promoted, and the dust removal effect in the workshop is improved.

The invention relates to the technical field of dust removers, in particular to a gas distribution device for removing superfine particles based on wet electric precipitation. Comprising a support, a dust remover shell and a purifier communicated with the top of the dust remover shell, a dust collection hopper is arranged at the bottom of the support and communicated with a dust and gas inlet and a discharging pipe, a plurality of dust collection plates and discharging polar plates which are alternately arranged are arranged on the support in a horizontal transverse array mode, and a circulating liquid supply device is arranged on the top of the support. The circulating liquid supply device is used for forming a continuous water film from top to bottom on the surface of the bracket so as to wash the captured particulate matters. The flow limiting plate is promoted to reciprocate through periodic rotation of the cam, so that the size of the cross section of the water film channel is changed, dust attached to the dust collecting plate is scoured in a pulse mode, attachment of particles to the dust collecting plate is reduced, and the purification effect on the particles is improved.

The invention relates to the field of industrial dust removal equipment, in particular to an electrostatic dust collector with an anti-backflow air return mechanism, the electrostatic dust collector comprises a rack, a machine shell and a bottom cover, the machine shell and the bottom cover vertically communicate and are both fixed on the inner side of the rack, a self-sealing assembly is arranged at the bottom of the bottom cover, and the outer side wall of the bottom cover sequentially communicates with a connecting pipe and an air inlet pipe; the self-sealing assembly comprises a vertically-through piston barrel, and a taper pipe which expands outwards and is communicated with a bottom opening of the bottom cover is fixed to a top opening of the piston barrel. When dust-containing waste water gathers in the piston cylinder, the lower tray moves downwards under the action of gravity, the upper tray is pulled by the supporting rod to synchronously slide downwards and compress the spring, at the moment, the upper tray is separated from the taper pipe and enters the piston cylinder, and then the dust-containing waste water is discharged. And a closed discharge cavity is formed between the upper tray and the lower tray, so that dust-containing wastewater is completely isolated from flue gas in the shell.

The invention relates to an electric dust removal device which comprises a shell, a spraying unit and an electric dust removal unit, the spraying unit and the electric dust removal unit are sequentially arranged in the shell from top to bottom, an air outlet channel and an air inlet channel are formed in the top and the bottom of the shell respectively, and a backflow flue is arranged on the shell. The two ends of the backflow flue communicate with the air inlet channel and the air outlet channel correspondingly, a flexible adjusting pipe communicating with the backflow flue is arranged in the air inlet channel, and an adjusting plate is rotationally arranged at the communicating position of the air outlet channel and the backflow flue. The adjusting plate selectively seals the air outlet channel and the backflow flue, the electric dust removal units are provided with a plurality of dust removal channels arranged in the vertical direction, the spraying unit is used for spraying water to the electric dust removal units, and a plurality of sets of cleaning assemblies are evenly arranged in the dust removal channels in the vertical direction. Therefore, the electric dust removal device has the technical effect of efficiently dredging the electric dust removal unit.

The present application relates to the field of spray type electrostatic precipitator, disclose a kind of spray washing wet type electrostatic precipitator and its use method, including multiple vertical anode tube, the anode tube top is provided with cathode beam, cathode wire is vertically arranged in the anode tube, the top of the cathode wire is connected with the cathode beam, the lower portion of the cathode wire is provided with a weight, the weight includes conical portion, the lower portion of the anode tube is provided with a fixed frame, the fixed ring is arranged on the fixed frame, the top of the conical portion is connected with the lower end of the cathode wire, the middle part of the conical portion is located in the fixed ring, the bottom of the fixed frame is provided with multiple lifting cylinders, the top of the fixed frame is provided with multiple second spray heads, the top of the fixed frame is provided with multiple second spray heads.The present application can be fully cleaned to the inner wall of the lower part of anode tube, while also cleaning the junction of cathode wire and weight, to prevent cathode wire corrosion and fracture.

To provide a gas treatment system capable of controlling the temperature of gas discharged from a wet type electrostatic precipitator.SOLUTION: The gas treatment system 200 includes the wet-type electric dust collection device 320 that removes at least a part of an impurity from a source gas containing a specific ingredient and the impurity and discharges a cleaned gas, the rinse water supplier 330 that supplies rinse water to the wet-type electric dust collection device 320, the thermometer 452 that detects a temperature T1 of the cleaned gas discharged from the wet-type electric dust collection device 320, and the controller 210 that controls a supplied amount T1 of the rinse water based on the temperature R5 of the cleaned gas.SELECTED DRAWING: Figure 1

To provide an air cleaner which can prevent an installation surface from being electrically charged while reducing the cost to prevent pollution on the installation surface due to adhesion of dusts on the installation surface.SOLUTION: An air cleaner is installed on an indoor installation surface and purifies indoor air. The air cleaner includes an electrically non-conductive housing 10 provided with an air inlet which suctions the air and an air outlet 14 which blows out the air, a blower which is housed in the housing 10 and produces an airflow with which the air is suctioned from the air inlet and is blown out from the air outlet 14, a discharge type electrical dust collector which is housed in the housing 10 and removes impurities in the airflow, and a louver 15 which is provided in the air outlet 14 and adjusts a wind direction of the air blown out from the air outlet 14. The air cleaner has an electric conductive part 21 having electric conductivity on a contact surface with which blow-out wind blown out from the air outlet 14 in the louver 15 comes into contact.SELECTED DRAWING: Figure 6

The invention relates to the technical field of dust removal equipment, in particular to a wet electric dust remover which comprises a supporting mounting cylinder, a uniform air inlet mechanism, a combined dust removal mechanism and a neutralization treatment mechanism, the uniform air inlet mechanism realizes two-stage air flow equalization through an annular guide cylinder and a flow equalization cambered surface filter screen; array type independent dust removal modules are adopted in the combined dust removal mechanism, conical surface anode cylinders are matched with airflow self-driven rotating corona columns, the point discharge distance can be automatically adjusted along with the flue gas flow speed, and dust removal intensity self-adaptive matching is achieved; and meanwhile, the passive conical surface spiral plate is used for condensing to produce water, and passive self-cleaning of the anode cylinder is completed through centrifugal spraying of an internal flow guide structure. A stirring type neutralizing mechanism is integrated at the bottom, so that dust-containing wastewater can be treated on line. The problems that existing equipment is uneven in air inlet, poor in working condition adaptability, high in ash removal energy consumption and tedious in maintenance are solved, the dust removal efficiency and the operation stability are remarkably improved, and the engineering and operation cost is reduced.

An air filtration system includes a housing defining separate first and second pathways for air to pass from outside the system through respective pluralities of filters, each plurality comprising a prefilter and an electrically enhanced filter having a high-voltage conductor, a ground grid, and filter media disposed between the conductor and grid. Energizing the high-voltage conductor establishes an electric field across the filter media to enhance particle capture. A fan is configured to draw air from outside the system concurrently through both pathways for sequential filtration.

To provide a novel and useful technology capable of purifying fluid.SOLUTION: A fluid purifier includes: an inflow part in which fluid flows; an outflow part from which fluid flows out; an introduction passage which is provided between the inflow part and the outflow part and has a discharge part that charges particles contained in the fluid flowing in the introduction passage with plus or minus electric charges and a rotating flow generating part that generates a rotating flow; a collecting passage which is provided between the introduction passage and the outflow part, and has an electric field generating part, an upstream end of the collecting passage being connected to a downstream end of the introduction passage, the electric field generating part generating an electric field in the collecting passage, and an electrostatic force in the direction heading for a first inner peripheral surface of the collecting passage acting on particles charged with the plus or minus electric charge flown into the collecting passage.SELECTED DRAWING: Figure 5

The utility model belongs to the technical field of electrical tar precipitators, and particularly relates to an electrical tar precipitator which comprises a tar precipitator shell and an air inlet channel, an access door is arranged on one side of the tar precipitator shell, a hanging vertical column is arranged in the tar precipitator shell, a plurality of hanging grooves are formed in the side wall of the hanging vertical column, and the air inlet channel is communicated with the hanging vertical column. Four split type precipitation poles are arranged on the outer side of the hanging vertical column, a plurality of ionization reaction holes are formed in each of the four split type precipitation poles, and two L-shaped hanging pieces are mounted on one side of each of the four split type precipitation poles; the four ionization reaction holes are spliced for use, so that independent areas can be disassembled and are convenient to mount, damaged local parts can be independently replaced or repaired, the whole precipitation electrode does not need to be replaced, the material waste is reduced, the purchase cost, the transportation cost, the labor cost in the replacement process and the like are reduced, and the production efficiency is improved. The maintenance cost of the electrical tar precipitator is reduced, and the economic burden of enterprises is relieved.

The present disclosure relates to an electric precipitator and a home appliance including the same. An embodiment of the present disclosure includes: a first charging unit configured to charge particles; a dust collector disposed downstream of the first charging unit and configured to collect the charged particles; and a second charging unit configured to generate an alternating current between the first charging unit and the dust collector.

This invention discloses a multi-domain coupled uniform flow high-efficiency electrostatic precipitator, relating to the technical field of electrostatic precipitator equipment. It includes a precipitator housing with inlets and outlets on both sides. The interior of the precipitator housing is sequentially divided along the gas flow direction into multiple conventional electric field adsorption zones and at least one low-velocity electric field adsorption zone. The low-velocity electric field adsorption zone includes multiple anode units, multiple flow guiding components, and multiple cathode units. This invention utilizes the flow guiding components, the corrugated anode plate, and through holes on the first and second sidewalls. The flow guiding components divert the flue gas, allowing some gas to directly impact the V-shaped groove. Compared to conventionally designed through holes, the staggered arrangement of the through holes disrupts the stable airflow path, causing more intense collisions, shearing, and turbulence in the airflow entering the V-shaped groove from different directions. This significantly increases the collision frequency and energy between particles, resulting in larger and more easily captured particles.

The application belongs to the technical field of electrostatic dust removal, and particularly relates to a self-cleaning rotary electrostatic dust collecting device. In view of the problem that dust collecting plates in the prior art are prone to accumulating dust, leading to abnormal corona discharge, the following scheme is proposed, which comprises a main frame, a gas outlet pipe and a gas inlet pipe are arranged on the main frame, and a plurality of inclined and mutually parallel dust removing units are arranged between the pipe bodies of the gas outlet pipe and the gas inlet pipe. The dust removing unit comprises fixed pipe cylinders one and two which are respectively fixed to the outer walls of the gas outlet pipe and the gas inlet pipe, and the opposite ends of the fixed pipe cylinders one and two are respectively provided with flared pipes with coaxial axis lines. In the application, when gas is removed, the inner wall of the rotating anode dust collecting plate and the spiral cleaning plate form relative operation, thereby timely scraping off the dust adsorbed on the inner wall of the anode dust collecting plate, so as to ensure uniform electric field distribution, ensure stable high-voltage power supply load, and avoid power consumption increase caused by dust accumulation.

The invention discloses a wide-narrow-interval wet-type electric precipitation system, and relates to the technical field of electric precipitation. Comprising a dust removal box, multiple stages of dust collection sets are sequentially arranged in the dust removal box in the flue gas flowing direction, each dust collection set is composed of a plurality of first dust collection electrodes, a transition plate and second dust collection electrodes, and the distance between the first dust collection electrodes is smaller than that between the second dust collection electrodes. The dust collection device comprises a frame located between every two adjacent first dust collection electrodes, two rotating shafts are rotationally connected into the frame, adjusting plates are fixed to the rotating shafts, a plurality of adjusting cylinders corresponding to the rotating shafts are slidably connected to the frame, and guide grooves are formed in the ends, close to the adjusting cylinders, of the rotating shafts. Inserting rods inserted into the guide grooves are fixed in the adjusting cylinders, and the driving assembly comprises a driving plate fixedly connected with the multiple adjusting cylinders. Dust accumulation in the wide and narrow transition area can be avoided.

An air purification system for purification of ambient air is described herein. The air purification system includes an air ioniser system that electrically charges air molecules of the ambient air. The air ioniser system generates positively charged air molecules and negatively charged air molecules. A sensor system of the air purification system senses one or more physical properties of the ambient air. A controller controls the air ioniser system to change a ratio of positively charged air molecules to negatively charged air molecules generated based on the one or more sensed physical properties of the ambient air.

The utility model discloses a multistage purification dry-wet electrostatic dust collection device, which relates to the technical field of dust collection and comprises a mounting rack, a treatment box is arranged on the mounting rack, the treatment box is internally divided into a dry cavity and a wet cavity through a partition plate, and the dry cavity and the wet cavity are communicated through a communicating pipe arranged on the partition plate. A dust inlet assembly communicated with the dry type cavity and an exhaust assembly communicated with the wet type cavity are arranged outside the treatment box, a vibration assembly is arranged in the dry type cavity, a dry type electrode plate is installed on the vibration assembly, a wet type electrode plate, a driving assembly and a spraying assembly are arranged in the wet type cavity, the driving assembly is connected with the spraying assembly, and the spraying assembly is connected with the wet type electrode plate. Therefore, the driving assembly operates to enable the spraying assembly to perform lifting type spraying action on the wet type electrode plate. According to the utility model, dry type electrostatic dust collection and wet type electrostatic dust collection are combined, so that the total dust collection efficiency and the dust collection effect can be obviously improved, and a better cleaning effect is achieved.

The invention relates to the technical field of dust removal of thermal power plants, and discloses an electric dust removal anti-blocking device which comprises a smoke exhaust cylinder, an electric dust removal device and an electric dust removal device. The outer frame plate is inserted into the inner cavity of the insertion groove, and a first insertion type module and a second insertion type module are inserted into the inner cavity of the outer frame plate; the sodium carbonate lattices are arranged at the corresponding positions of the first penetrating type module and the second penetrating type module, smoke channels are formed between the adjacent sodium carbonate lattices, inner cavities of the sodium carbonate lattices are filled with fine block-shaped sodium carbonate, and the sodium carbonate lattices and the smoke channels are alternated. The positions of the sodium carbonate grids and the flue gas channels on the first penetrating type module and the second penetrating type module are opposite; according to the device, flue gas can be more uniformly contacted with fine blocky sodium carbonate in the flowing process, so that the removal efficiency of ammonium hydrogen sulfate is improved, the flue gas flow field is balanced, the failure of an electric field of an electric dust removal part caused by disorder of the flue gas flow field is avoided, and the dust removal effect is guaranteed.

ESP particle collector (1) for collecting particles in a particle containing gas stream, comprising an inlet section (4), a collector section (6), and an electrode arrangement (8), the inlet section comprising a flow tube (10) defining a gas flow channel (12) therein bounded by a guide wall (24) extending between an entry end (14) and a collector end (16) that serves as an inlet to the collector section (6), the entry end comprising an inlet (28) for the particle gas stream and a sheath flow inlet portion (26) for generating a sheath flow around the particle gas stream, the collector section comprising a housing (18) coupled to the flow tube, and a collector plate (20) mounted therein having a particle collection surface (23). The ESP particle collector is configured to allow optical analysis of the collector plate particle collection surface to measure particles collected thereon. The electrode arrangement comprises at least a base electrode (8a) positioned below the collection surface and a counter-base electrode (8b) positioned at a separation distance L2 above the collection surface such that an electrical field is generated between the electrodes configured to precipitate said particles on the collection surface, wherein the electric field is in a range of 0.1 kV per mm to 1.5 kV per mm, with an absolute voltage on any said electrode that is less than 10 kV, and wherein a ratio ratio I of a radius LI of said inlet at the collector end divided by said separation distance L2 is in a range of 0.8 to 1.2.

The invention discloses anti-corrosion wet-type electrostatic dust collection equipment which comprises a dust collector barrel, an air inlet pipeline used for air inlet and an air outlet pipeline used for air outlet are arranged on the dust collector barrel, and an insulating dust collection body is arranged in the dust collector barrel. Only the bottom of the middle annular dust removal body of the annular dust removal bodies is not blocked, and the bottoms of the anode tubes on the annular dust removal bodies on the outer sides of the annular dust removal bodies are blocked by the sealing plates. When the air flow is large, a worker can control an adsorption assembly with the corresponding diameter to start adsorption of a top metal adsorption auxiliary block to drive an annular dust removal body with the corresponding diameter at the bottom to move downwards, and in the downward moving process, the bottom blockage of the annular dust removal body can be ejected open by an ejector rod, so that communication is achieved; the main body material of the whole insulating dust removal body is vinyl conductive glass fiber reinforced plastic, so that the device can be adaptively adjusted according to the actual air flow, the waste of resources is reduced, the use cost is reduced, and the device can be expanded and adaptively reduced.

The present application relates to the technical field of dust collector, in particular to a gas distribution device for removing ultrafine particulate matters based on wet-type electric dust collector. The device comprises a support, a dust collector shell and a purifier communicated with the top of the dust collector shell. The bottom of the support is provided with a dust collecting hopper. The dust collecting hopper is communicated with a dust gas inlet and a discharging pipe. The support is provided with a plurality of dust collecting plates and discharge electrode plates arranged alternately along the horizontal direction. A circulating liquid supply device is arranged on the top of the support. The circulating liquid supply device is used to form a continuous water film from top to bottom on the surface of the support to flush the captured particulate matters. The cam is periodically rotated to make the flow limiting plate reciprocate, so as to change the size of the water film passage section, thereby forming pulse flushing to the dust attached to the dust collecting plate, reducing the adhesion of particulate matters on the dust collecting plate and improving the purification effect of the particulate matters.

The utility model relates to the technical field of environmental protection dust removal equipment, specifically discloses a composite electrostatic cloth bag ultra-low emission dust collector for steel plant coking, which comprises: an air inlet box, which is a channel structure for connecting a steel plant coking exhaust pipeline and introducing dust-containing flue gas; a filter box is connected to the air inlet box; maintenance doors are installed on both sides of the filter box; and the air inlet box is the main dust removal site. The composite electrostatic cloth bag ultra-low emission dust collector for steel plant coking adopts a plate-type electrostatic dust removal structure and is matched with a thorn wire corona pole. Compared with the traditional corona pole, the thorn wire corona pole has stronger and more uniform discharge, can form a high-density charged area in an electric field, reduces the probability of reverse corona caused by an excessively strong local electric field, ensures the continuous and efficient capture of high specific resistance dust by the electrostatic dust removal cavity, stabilizes the dust removal rate in the electrostatic dust removal stage, and maintains a high level.

The invention relates to an electrostatic aerosol partitioning device comprising an aerosol inlet portion for introduction of an aerosol into the electrostatic aerosol partitioning device, an aerosol charging portion for charging the particles comprised in the aerosol, and an aerosol separation portion configured to generate an electrostatic field acting on the charged particles to separate the charged particles from the aerosol. A gas sampling line is provided in the separation portion and the gas sampling line is configured to establish an anisoaxial gas flow with respect to the entry flow direction of the aerosol into the aerosol separation portion.

The invention relates to a method of roasting coffee beans in a roasting system, said system comprising: - a roasting apparatus (1), and - a fume treatment unit (2) configured to treat fumes produced by the roasting apparatus, said fume treatment unit comprising at least one electrostatic precipitator (222) comprising at least one compartment comprising ionizing wires, a collection electrode and a repulsion electrode, and said compartment being supplied with electric power so as to apply a high voltage V to the ionizing wires, wherein during each roasting operation implemented in the roasting apparatus, the method comprises the steps of: - monitoring the voltage V at the ionizing wires and / or at the electrodes during the course of the roasting operation, - displaying a cleaning alert if, during a period of the roasting operation, the monitored voltage becomes lower than a predetermined voltage threshold V0, and - wherein said period during which the monitored voltage V is lower than said lower voltage threshold V0 is higher than a predetermined time threshold At.

The invention relates to the technical field of semiconductor equipment, and particularly discloses a waste gas treatment device for wafer cleaning equipment, which comprises a box body, a negative plate is arranged in the box body in a lifting manner, a positive plate is rotationally arranged in the box body, and the box body is internally divided into a charge region, an adjusting region and a collecting region; the positive plate and the negative plate are located in the adjusting area, a first power part for driving the negative plate to move is arranged in the box body, and a collecting assembly for collecting particulate matters and an adjusting assembly for adjusting the electric field intensity are arranged in the box body. Through the negative plate arranged in a lifting mode and the positive plate arranged in a rotating mode, the electric field intensity is adjusted, particulate matter of different sizes is recycled, and the waste gas removal effect is improved.

A biomass heating system (1) for burning fuel in the form of pellets and / or wood chips is disclosed, the biomass heating system (1) comprising the following: a boiler (11) with a housing; a combustion unit (2) with a combustion chamber (24); a heat exchanger (3) arranged downstream of the combustion chamber (24) and fluidically connected to the combustion chamber (24); an electrostatic filter device (4) for filtering flue gas generated in the combustion unit (2), wherein the filter device (4) is arranged downstream of the heat exchanger (3) and fluidically connected to the heat exchanger (3); a control device (100) for controlling the electrostatic filter device (4); wherein the electrostatic filter device (4) comprises the following: a tubular inner volume (46b) in which the flue gas flows; a first rod-shaped electrode (45), which is designed as a spray electrode (45);and a second tubular electrode (48), which is designed as a counter electrode (48); and an insulator (46) for holding the spray electrode (45); and a filter inlet (44) through which the flue gas can enter the filter device (4); and a filter outlet (47) through which the flue gas can exit the filter device (4).

The utility model discloses a large electric dust collector flow field improving device which comprises an electric dust collector inlet end socket, a flow guide mechanism, a flow equalizing plate I, a flow equalizing plate II and a flow equalizing plate III, and the flow guide mechanism, the flow equalizing plate I, the flow equalizing plate II and the flow equalizing plate III are sequentially arranged in the electric dust collector inlet end socket in the flue gas flow direction. The flow guide mechanism comprises two transverse flow guide plates and two longitudinal flow guide plates, the longitudinal flow guide plates and the transverse flow guide plates are arranged in a crossed mode to form a plurality of flow guide holes, the two transverse flow guide plates are symmetrically arranged, and the distance between the smoke airflow facing ends is smaller than that between the smoke airflow back ends. Compared with the prior art, the dust removal device has the advantages that the dust removal efficiency can be improved, the service life of equipment can be prolonged, the energy consumption can be reduced, and the operation safety and stability of the equipment can be improved.

The application discloses a device for treating dioxin in garbage combustion fly ash, and relates to the technical field of solid-phase hazardous waste treatment. The main body mechanism comprises a cavity, and an ionization mechanism is arranged in the inner cavity of the cavity. The ionization mechanism comprises a plurality of star-shaped discharge needles and an electrostatic net, and the star-shaped discharge needles and the electrostatic net are located in the inner cavity of the cavity. The ionization mechanism comprises a driving unit, which is arranged outside the cavity and is used for driving the plurality of star-shaped discharge needles and the electrostatic net in different directions. The device for treating dioxin in garbage combustion fly ash increases the turbulent flow of solid-phase fly ash, increases the contact area between solid-phase fly ash and ions, avoids the sharp increase of ionization energy consumption caused by the agglomeration of solid-phase fly ash, prolongs the contact time of solid-phase fly ash and ions, thereby enhancing the ionization effect, reducing energy consumption, reducing operation cost, and improving the ionization efficiency.