335results about "Vapor flow control" patented technology

The invention relates to the field of sintering machine head electrostatic dust collection, and provides a sintering machine head electrostatic dust collection system which comprises an airflow homogenization unit, an electric field dust collection unit, a high-frequency pulse power supply unit, an intelligent control unit and a dust concentration detector. The airflow homogenization unit is arranged in front of the electric field dust removal unit; the high-frequency pulse power supply unit is in signal connection with the electric field dedusting unit; the intelligent control unit is in signal connection with the electric field dedusting unit and used for controlling the voltage of the electric field dedusting unit; the dust concentration detector is arranged at the outlet position of the electric field dust removal unit, and is used for detecting the outlet dust concentration of the flue gas at the outlet position of the electric field dust removal unit and sending the outlet dust concentration to the intelligent control unit; the intelligent control unit is in signal connection with the high-frequency pulse power supply unit, and when the outlet dust concentration is larger than 20 mg / Nm, the pulse mode of the high-frequency pulse unit is activated, the invention further provides an electrostatic dust collection method for the sintering machine head, and the effect of improving the electrostatic dust collection efficiency and effect is achieved.

The utility model relates to the technical field of wet type electrostatic dust collectors, in particular to a gas uniformizing device used in a high-voltage wet type electrostatic dust collector, which comprises a uniform distribution plate, a limiting component is inserted in the uniform distribution plate, and one side of the uniform distribution plate is connected with an edge sealing component in a sliding manner; a sliding rod is arranged on one side of the uniform distribution plate, a sliding way is arranged on the other side of the uniform distribution plate, holes are formed in the front face of the uniform distribution plate, and an inserting rod is welded to the back face of the uniform distribution plate. The limiting assembly comprises a rotating rod penetrating through the uniform distribution plate and an improved gas uniformizing device, the edge sealing assembly is additionally arranged on the edge of the uniform distribution plate, the anti-skid plates on the periphery of the uniform distribution plate are attached to the inner wall of the dust remover through fasteners and the anti-skid plates on the surface of the edge sealing assembly, installation is more convenient, the fasteners only need to be unscrewed in the disassembly process, and the dust remover is convenient to disassemble. The sliding rods, the sliding ways, the inserting rods and the holes are additionally arranged on the periphery of the uniform distribution plate, so that a plurality of uniform distribution plates can be spliced or disassembled at any time, and transportation and storage are facilitated.

The cooking fume purification equipment comprises a machine shell, a purification unit, fixed flow equalizing nets, a movable flow equalizing net and a translation mechanism, an air inlet and an air outlet are formed in the two corresponding side walls of the machine shell respectively, the two fixed flow equalizing nets are arranged on the air inlet and the air outlet respectively, the movable flow equalizing net is arranged on the fixed flow equalizing nets in a horizontal sliding mode, and the translation mechanism is arranged on the movable flow equalizing net. The translation mechanism is arranged on the machine shell, the output end of the translation mechanism is connected with the movable flow equalizing net, a plurality of first ventilation holes are formed in the fixed flow equalizing net, second ventilation holes are formed in the movable flow equalizing net, and the translation mechanism drives the movable flow equalizing net to move, so that all the first ventilation holes and the second ventilation holes are staggered or all the first ventilation holes and the second ventilation holes are overlapped. A steam inlet is formed in the side face of the machine shell. According to the lampblack purification equipment with the cleaning function, the purification unit and the inner wall of the machine shell can be automatically cleaned, the cleaning work efficiency is high, and operation is easy.

The invention discloses a respirable dust separation device based on electrostatic cyclone separation, which comprises an air inlet pipe, one side of the air inlet pipe is provided with a cyclone separator, the cyclone separator is composed of an air inlet, an air outlet, a separator shell and a dust collecting hopper, and the air inlet of the cyclone separator is in split connection with the air inlet pipe. The invention relates to the technical field of respirable dust separation, in particular to a respirable dust separation device based on electrostatic cyclone separation, which forms an electrostatic field in a cyclone separator; small-particle-size dust such as respirable dust is adsorbed by static electricity through the adsorption force of an electrostatic field, so that the problem that the small-particle-size respirable dust cannot be separated under the centrifugal effect of a cyclone separator is solved; a gas flow meter is arranged and electrically connected with an electrostatic generator; the electrostatic field formed by the electrostatic generator is correspondingly adjusted according to the flow data detected by the gas flowmeter in real time, the electrostatic adsorption force can be adjusted in real time according to the gas inflow, more energy is saved, and use is more flexible.

The utility model discloses a heating discharge device of an electrical tar precipitator, which comprises a slag discharge port, the upper part of the slag discharge port is a square conical electric field bottom outlet, the lower part of the slag discharge port is a cylindrical tar discharge port, the lower end of the electric field bottom outlet is communicated with the upper end of the tar discharge port, and a quick-opening valve is arranged at the bottom of the slag discharge port. A ceramic heating rope is uniformly wound on the peripheral wall of the slag discharging opening; the slag discharge port of the electrical tar precipitator is arranged to be of a special structure with the square top and the round bottom, the electrical tar precipitator can be suitable for a drainage discharge port without a power supply, and fluid is decomposed into a rarefied spraying form or annular convection to achieve the purpose of impact counteracting; the quick-opening valve with an opening in the whole body is adopted, dynamic material flowing is quickly controlled, and operation is easy; the slag discharging opening is heated through the ceramic heating rope, and the ceramic heating rope has high high-temperature resistance, can stably work for a long time in a high-temperature environment, and is high in heating and cooling speed and low in energy consumption.

The invention belongs to the technical field of flue gas purification, and particularly relates to an eddy current polar plate electric precipitator equipped with a pre-charging device and a working method thereof.The electric precipitator comprises an air inlet pipe, a shell and an air outlet pipe and further comprises the pre-charging device, an eddy current type dust collection polar plate and an ultrasonic coagulation layer, and the eddy current type dust collection polar plate is arranged in a dust collection chamber of the shell. The pre-charging device is close to the air inlet pipe, a first flow equalizing plate layer is arranged at the front end of the pre-charging device, a second flow equalizing plate layer is arranged at the rear end of the pre-charging device, and the pre-charging device comprises a plurality of sets of hanging mechanisms, cathode wires, vibrators and a pre-charging support. The plurality of vortex type dust collection polar plates are arranged in a staggered manner in the airflow direction, the discharge electrodes are arranged in front of and on the side surfaces of the vortex type dust collection polar plates, and a detachable filter screen is arranged between the ultrasonic coagulation layer and the air outlet pipe. Pre-charged dust enters the vortex polar plate dust collection area through the flow equalizing plate and is subjected to ultrasonic coagulation, the dust collection efficiency is greatly improved, and ultra-clean emission can be achieved.

The invention discloses a novel dust collector flue dust collection device and a dust collection capability improvement method, and relates to the technical field of dust collector dust collection, the novel dust collector flue dust collection device comprises a control unit, a dust collection unit, a dust collection unit and a dust collection unit, the control unit comprises a flue port, a driving assembly arranged on the flue port, and an adjusting assembly arranged at the bottom of the driving assembly; the guide unit comprises a gas gathering shell and a guide assembly arranged on one side of the gas gathering shell; and the filtering unit comprises a filtering assembly arranged on one side of the guiding assembly. After butt joint is completed, a motor is started to rotate and drive the motor to move left and right in a reciprocating mode, the motor slides in the motor to start to rotate so as to adjust the airflow angle in the motor and adjust the airflow passing speed, part of dust is captured, the flow velocity distribution of a flue is balanced, and meanwhile the situation that the airflow angle cannot be adjusted, and the airflow passing speed cannot be adjusted is prevented. The problems that fly ash cannot be rapidly collected, control cannot be carried out, fly ash collection is very inconvenient, and dust cannot be rapidly collected are solved.

The invention discloses a combined airflow distribution plate suitable for an ultrahigh electric precipitator. The combined airflow distribution plate comprises a first distribution plate, a second distribution plate and a third distribution plate, the first distribution plate is of a convex bottom inclined plane structure, the convex bottom is a plane A1, and vent holes are formed in the plane A1 and the inclined plane; the second distribution plate is of a convex bottom inclined plane structure, the convex bottom is a plane A2, vent holes are formed in the plane A2 and the inclined plane, and a first flue gas speed reduction pipe is arranged at the outlet position of the vent hole in the plane A2; the third distribution plate is of a concave bottom inclined plane structure, the concave bottom is a plane A3, vent holes are formed in the plane A3, and no vent hole is formed in the inclined plane. The combined distribution plate combining convex and concave surface structures has lower airflow resistance, and the flow velocity of flue gas is adjusted through the flue gas speed reducing pipe and the flue gas speed increasing pipe, so that airflow in an electric field is distributed according to a uniform airflow flow velocity standard, and the dust removal efficiency is improved.

An electrostatic air cleaner may be operated according to a manner designed to achieve acceptable air quality while balancing power usage and corona electrode degradation levels. The voltage applied to the corona electrode(s) may be controlled as well as the voltage applied to repelling electrodes and air flow velocity. The air cleaner may also be operated to achieve desired particle separation.

An air purifier is provided. The air purifier includes a housing, an inner frame arranged inside the housing, a filter assembly configured to remove foreign substances from air introduced into the housing, and to be detachably mounted on the inner frame, and a detection module configured to detect whether the filter assembly is mounted, wherein the filter assembly includes a dust collection filter detachably mounted on the inner frame in a mounting direction (AX), and a pre-filter detachably mounted on the dust collection filter in a direction parallel to the mounting direction, and is arranged on a flow path that is toward the dust collection filter, and wherein the detection module includes a first sensor provided in the inner frame to detect whether the dust collection filter is mounted, and a second sensor provided in the inner frame to detect whether the pre-filter is mounted.

The invention relates to the technical field of coated white board thickness detection, and discloses a thickness detection device on a coated white board production line, which comprises a rack, a thickness detection mechanism is arranged above the rack, a coated white board body is arranged on the thickness detection mechanism, and the coated white board body is arranged on the rack. And an electrostatic dust collection mechanism is arranged below the coated white board body. According to the thickness detection device on the coated white board production line, chippings can be generated when a coated white board body is subjected to thickness measurement through the thickness detection mechanism, the chippings can be conveniently adsorbed through an electrostatic dust collection mechanism, and the distance between white board clamping plates can be conveniently controlled by clamping supporting plates through cooperation of adjusting sliding holes and moving sliding blocks; the coated white board body can be conveniently and flexibly clamped by the white board clamping plate and can be conveniently changed according to the change of the winding and unwinding height of the coated white board body, the distance between the two sides of the coated white board body can be conveniently measured by the laser probe, the thickness of the coated white board body can be further obtained, and convenience and rapidness are achieved.

The utility model provides a wet-type electrostatic dust collector connected through bolts, and relates to the field of wet-type electrostatic dust collectors. The wet-type electrostatic dust collector connected through the bolts comprises an inner chamber structure, the inner chamber structure comprises an upper air chamber, a dust collection chamber, a lower air chamber and an air inlet chamber which are sequentially communicated, the interior of the dust collection chamber is of a vertical honeycomb tubular structure, the honeycomb structure in the dust collection chamber is an anode, a cathode beam frame is installed in the upper air chamber, and a cathode wire is installed on the cathode beam frame; according to the bolted connection wet-type electrostatic dust collector, the external frame is in bolted connection, the whole wet-type electrostatic dust collector is manufactured in a field, only bolts need to be connected in the field, equipment installation is flexible, the requirement for the field during construction is greatly lowered, the construction progress is accelerated, and through the arrangement of the spraying device, sprayed water flushes the cathode wires and the honeycomb-shaped anodes and is matched with rotating work, the dust collection efficiency is improved. Therefore, the purpose of enlarging the water spraying range is achieved, the purpose of evenly spraying water is achieved, and finally the valve is opened to discharge water.

The static smoke removal structure comprises a smoke removal shell, a moxa smoke channel is fixed to the smoke removal shell, the lower end of the moxa smoke channel is used for covering the upper end of a moxa combustion chamber, the moxa smoke channel is provided with a conical smoke removal section, the inner diameter of the conical smoke removal section is gradually decreased from bottom to top, and a static adsorption structure is arranged in the conical smoke removal section. A smoke flowing space for moxa smoke to pass through from bottom to top is formed on the periphery of the electrostatic adsorption structure, and a moxa smoke filtering layer is arranged at the upper end of the moxa smoke channel. The utility model provides an unpowered static smoke removal structure for removing moxa smoke and a moxibustion device using the static smoke removal structure.

The invention discloses a filtering and circulating device for excimer laser gas, and belongs to the technical field of excimer lasers. The filter comprises a hollow cylindrical outer shell, an air inlet pipeline and an air conveying pipeline are installed at the upper end of the outer shell, and a purification box body is installed in the outer shell; the turbine pump is rotationally arranged outside the rectangular cavity; the cross flow fan is rotationally arranged in the rectangular cavity; and the output end of the double-shaft output motor is respectively connected with the turbine pump and the cross flow fan. The flow of working gas in the backflow discharge cavity is increased, meanwhile, the flowing speed of the working gas is increased, the filtering efficiency of the filter on discharge dust particles is improved, meanwhile, the filter screen rotates all the time and can be self-cleaned, and the effective filtering area of the filter screen can change along with the speed of the working gas. And the filtering effect is ensured while the filtering efficiency is ensured.

The utility model discloses a front electric field flow blocking structure for a dust collector, which is arranged between the air inlet end of the dust collector and the front electric field, and comprises: a front smoke blocking structure, the front smoke blocking structure comprises a plurality of groups of blocking members corresponding to the air inlet position of the front electric field, the blocking member comprises an air guide duct connected to the air inlet end of the dust collector and the air inlet end of the front electric field, a plurality of movable guide frames arranged in the air guide duct, the movable guide frames are arranged alternately at intervals, the gaps between adjacent movable guide frames are used to allow smoke to flow, and the angles of the movable guide frames are adjusted to adjust the gaps between adjacent movable guide frames, so that the air inlet speed of the smoke can be controlled before the smoke enters the front electric field, so that the front electric field can process the smoke as comprehensively as possible under the premise of its own processing load, thereby reducing the pressure of the final electric field and improving the dust removal efficiency.

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

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.

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 application relates to the technical field of purifiers, and discloses an electrostatic oil fume purifier and a working method thereof, which comprise a box body, a cleaning mechanism is arranged at the top of the box body, a guide mechanism is arranged on the inner wall of the box body, a transmission mechanism is arranged at the rear of the box body, an ionization plate is connected to the inner wall of the box body through bolts, the ionization plate is located at the rear of the guide mechanism, an inclined block is fixedly installed on the bottom wall in the box body, a filter plate is clamped to the inner wall of the box body and located at the rear of the ionization plate, the oil adsorbed by the cleaning mechanism can be scraped off, so that the collected oil on the dust collecting column is prevented from being too much, the dust collecting column cannot continue to adsorb oil, the oil fume cannot be purified, the practicability of the device is reduced, workers do not need to clean the dust collecting column frequently, the labor intensity of the workers is reduced, the suction range of the oil fume is increased through the guide mechanism, and the oil fume purification efficiency of the device is increased.

The present invention discloses a double-layer electrostatic precipitator, which comprises a housing, an air inlet, an air outlet and a plurality of electric fields. The air inlet and the air outlet are respectively arranged at the front and rear ends of the housing. A hopper corresponding to each electric field is arranged at the lower end of the housing. Electric fields are arranged in the housing from front to back in sequence. Each electric field includes two sets of anode systems and one set of cathode system arranged up and down. The two sets of anode systems share one set of cathode system. Compared with the prior art, it has good dust cleaning effect, improved adaptability and electrostatic precipitation performance.

The invention discloses a wide-load coal-fired unit furnace rear dust removal system which comprises a main smoke inlet flue, a plurality of branch smoke inlet flues, an electric dust remover set, a plurality of branch smoke outlet flues and a main smoke outlet flue which are sequentially arranged, the electric dust remover set is composed of a plurality of electric dust removers, and each electric dust remover is internally provided with a plurality of dust removal chambers. Each dust chamber is provided with a dust inlet and a dust outlet, the dust inlets are connected with the main inlet flue through branch inlet flues, the dust outlets are connected with the main outlet flue through branch outlet flues, electric air adjusting doors are arranged in the branch inlet flues and the branch outlet flues, and flue gas temperature changing devices are mounted between the branch inlet flues and the dust inlets; the electric dust remover is divided into the independent electric dust removal chambers through the partition walls, and the corresponding electric dust removal chambers are closed and started in cooperation with the automatic control system, so that when an existing coal-fired unit is in a low load, the dust outlet concentration can be accurately controlled, energy consumption is reduced, and the device adapts to the low load with reduced flue gas amount; and the corrosion problem caused by too low local flow velocity in the electric dust remover is avoided.

The invention relates to an electrostatic dust collection device with a spraying dust fall function, which comprises a plurality of box bodies, the box bodies are combined and arranged, and a guide pipeline is arranged among the plurality of box bodies and is used for carrying out multi-stage electrostatic dust collection on industrial waste gas; the electrostatic generation assembly comprises a plurality of anode tubes arranged in the box body and cathode wires arranged in the anode tubes, the anode tubes and the cathode wires are electrified to generate an electric field, and dust of industrial waste gas is adsorbed to the inner walls of the anode tubes; the spraying assembly comprises a bearing frame arranged at the top in the box body, a plurality of hanging rods arranged on the bearing frame and spiral spraying pipes arranged on the hanging rods. Multi-stage electrostatic dust collection is carried out on industrial waste gas, and the dust collection efficiency and the purification degree are remarkably improved.

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 present application relates to a kind of high efficiency ion box and purification device, belong to air purification equipment technical field, high efficiency ion box includes box, ionization area and dust collection area, box is located in the inside of outer frame, the windward side of box is equipped with for sheltering the wind baffle of the avoidance hole located in ionization area, first wind block is equipped on the outer frame, and it is protruding from the surface, and first wind block is located in the length range of dust collection plate in dust collection area, first recess is opened on the box and matched with first wind block, the present application is shielded by setting wind baffle to avoidance hole, guide airflow from the middle portion of ionization area, particulate matter is more fully charged, avoid the particulate matter that does not carry electric charge from avoidance hole and escape in dust collection area, improve purification efficiency, simultaneously, by setting first wind block, the gap between dust collection plate and box is shielded, guide airflow from dust collection area, avoid the phenomenon of air leakage, improve the particulate matter capture performance of dust collection area and purification efficiency.

The invention provides air purification equipment, a control method and device thereof and a storage medium, and relates to the technical field of air purification. The air purification equipment comprises a dust collection assembly, the dust collection assembly comprises a dust collection face, the dust collection assembly can generate an electric field under the condition of electrification, and the dust collection face is used for collecting pollutants in air through the electric field; the discharging part is used for discharging to an area towards which the dust collecting surface faces; wherein the dust collection assembly is used for being connected with one of the positive electrode and the negative electrode, and the discharge part is used for being connected with the other one of the positive electrode and the negative electrode.

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 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.

A filterless gas intake system is disclosed. The system comprises a gas passage configured to receive an intake gas flow, the gas passage including an inlet opening, an outlet opening and a lateral wall and one or more separation elements (10), arranged within the gas passage and extending along a direction from one side of the lateral wall to the opposite side, the separation element (10) comprising: a body (11) with at least one concave surface (12) of an electrically conductive material, connected to an earth grounding (13), a leading edge (14), facing the inlet opening of the gas passage and a trailing edge (15) facing the outlet opening of the gas passage; and at least one electrode (16) arranged in front of the at least one concave surface (12) and connected to an electrostatic generator.

The invention discloses a waste gas treatment device, and relates to the technical field of waste gas treatment.The waste gas treatment device comprises a purification box, a solid waste collection assembly, a dust collection assembly and a harmful gas treatment assembly, and a plurality of supporting leg columns are arranged on the side wall of the purification box; the dust collecting assembly comprises a dust collecting box and a dust collecting box, and the outer side wall of the purifying box is fixedly connected with the dust collecting box through a support. Through the arrangement of the dust collection assembly, when dust or some solid substances touch the surface of the negative plate, negative charges are attached, and charged dust particles approach the positive plate with positive charges under the action of electric field force and finally deposit on the positive plate, so that pre-adsorption of a large amount of dust and solids is realized; the quantity of dust entering the purification box is reduced, so that the quantity of dust and solids attached to the filter screen is greatly reduced, the frequency of replacing and cleaning the filter screen is reduced, and the waste gas treatment efficiency of the device is improved.

The invention relates to an electrostatic dust collector and a control method thereof and relates to the technical field of electrostatic dust collection, the electrostatic dust collector comprises a shell, and an air inlet and an air outlet are formed in the two sides of the shell in the length direction of the shell correspondingly; a plurality of dust removal units are arranged in the shell and are sequentially arranged in the length direction of the shell; the dust removal unit comprises a plurality of discharge flat frames which are sequentially arranged in parallel at intervals in the width direction of the shell. A dust collection plate is arranged between every two adjacent discharge flat frames, the dust collection plates and the discharge flat frames are arranged in parallel at intervals, and a single dust removal flow channel is formed between every two adjacent dust collection plates; through holes are formed in the dust collection plates in a penetrating manner, and the through holes communicate with the two corresponding adjacent single-time dust removal flow channels; a flow guide plate is arranged between every two adjacent dust collection plates, and the flow guide plates are used for guiding dust-containing airflow entering the single-time dust removal runner to penetrate through the corresponding dust collection plates. According to the electrostatic dust collection device, the electrostatic driving force acting on dust particles can be improved, and the electrostatic dust collection effect is improved.