70results about How to "Increase dust collection area" patented technology

The invention relates to a mixed-flow electric dust collector, wherein an air flow distribution plate is arranged at the joint of a dust removing chamber and a smoke inlet; a first vertical electric field and a second vertical electric field, through which an air flow flows, are arranged in the dust removing chamber; parallel dust collecting electrodes are distributed in the electric fields at equal interval; main air flow channels are formed among the dust collecting electrodes; a corona electrode is arranged between adjacent dust collecting electrodes; some of the air flow channels are provided with an incoming air flow baffle at an air flow inlet, and the other air flow channels are provided with an outgoing air flow baffle at an air flow outlet; a plurality of dust collecting electrode plates are arranged on the dust collecting electrodes and fixed in the dust collecting electrode in a separated manner; and the main air flow channels are provided with a plurality of air equalization plates having through holes on the surface at the outlet of the first electric field and baffles at the outlet of the second electric field. With simple structure and few electric fields, the invention solves the problem that the conventional dust collector has poor dust removal effect, large size, complicated structure and high cost.

The invention discloses a transverse polar plate bipolar static agglomeration dedusting device and a dedusting method thereof, which solve the problem that the conventional dedusting device is complex in structure and relatively poor in dedusting effect. The invention adopts the technical scheme that the transverse polar plate bipolar static agglomeration dedusting device comprises a deduster casing as well as an air inlet pipe and an air outlet located at the two ends of the deduster casing; a plurality of cathode frameworks and a plurality of anode frameworks are vertically, alternately and uniformly arranged in the deduster casing in the direction of an airflow; a plurality of cathode plates and a plurality of cathode coronal lines are alternately and uniformly distributed on the cathode frameworks in the vertical direction, and a plurality of anode plates and a plurality of anode coronal lines are alternately and uniformly arranged on the anode frameworks; moreover, the cathode coronal lines are corresponding to the central lines of the adjacent anode plates in the direction of the airflow, and the anode coronal lines are corresponding to the central lines of the adjacent cathode plates in the direction of the airflow; the cathode frameworks are connected with the high-voltage output ends of a high-voltage DC power supply via a high-voltage cable, and the anode frameworks are connected with the grounding pole of the high-voltage DC power supply via a grounding cable. The transverse polar plate bipolar static agglomeration dedusting device is simple in structure, small in size, simple and convenient to operate, outstanding in the dust collection effect of the reverse sides of the transverse polar plates, small in reentrainment of dust, and has the effect of static agglomeration dedusting.

The invention provides an electrostatic dust removing machine which achieves air purification by coaxial sleeve dust collection plates. The electrostatic dust removing machine comprises a dust removing machine body with a dust collection device, and discharge electrodes and a dust collection electrode are arranged in a dust removing machine shell. The dust collection electrode is a set of N coaxial-sleeve-shaped dust collection plates, wherein N is a natural number larger than or equal to 2. The N cylindrical dust collection plates are coaxially arranged to form a cylindrical parallel dust collection plate array, wherein the cylinder diameters of the cylindrical dust collection plates are sequentially increased from inside to outside. The discharge electrodes are mounted in the gaps between every two adjacent cylindrical dust collection plates, and meanwhile dust cleaning brushes of a dust cleaning device used for cleaning dust for the dust collection plates in an automatically rotating mode are mounted. The electrostatic dust removing machine is simple and ingenious in structure, the unique design of the multiple coaxial-sleeve-shaped dust collection plates and the design of the rotating dust cleaning device are adopted, the stability and the reliability of the system structure are improved, the dust collection area in the unit volume is increased, the dust collection effect is improved, dust cleaning is facilitated, maintaining is of no need, the cost is lowered, and the electrostatic dust removing machine is suitable for mass production.

The invention relates to an electrostatic dust collecting plant for air purification, comprising an insulating shell and an electrostatic field component fixed in the insulating shell, wherein the electrostatic field component comprises a pored dust collecting polar plate and a group of parallel corona wires, the windward side of the pored dust collecting polar plate is provided with a group of parallel grooves corresponding to the corona wires, the corona wires and the pored dust collecting polar plate are parallel to each other and are respectively positioned in the grooves in the pored dust collecting polar plate, the air-out side of the pored dust collecting polar plate is provided with a foaming metal mesh which is closely attached to, or is separated from, and is connected with the pored dust collecting polar plate by an electrical conductor, the corona wires are connected with the positive or the negative high tension electricity, and the pored dust collecting polar plate is grounded. The electrostatic dust collecting plant has the advantages of large dust collecting area, simple structure, small volume, low air resistance and production cost and easy cleaning, and can be widely applied to the field of air purification, in particular to an air purifier, or a purifier at the air hole of a central air conditioner.

An electrostatic bag closely hybrid dust remover and the operation method are mainly used for the flue gas disposal in a power plant etc. A grounding collecting plate is placed between a high voltage discharge electrode and the bag inside a dust removing room. An electrostatic dust removing area is formed by two sides of the high voltage discharge electrode and the grounding collecting plate; a filtering and dust removing area is formed by two sides of the bag and the grounding collecting plate. When the bag filters, the grounding collecting plate is closed, and the flue gas enters into the dust removing room and goes through the electrostatic dust removing area to arrive at the end of the grounding collecting plate and then enters into the filtering and dust removing area. When the bag reversely blows and cleans ash, the grounding collecting plate opens, the gas and dust for reverse blowing and ash cleaning pass through the grounding collecting plate directly and reach the electrostatic dust removing area, and the dust for reverse blowing and ash cleaning is collected by static electricity. Compared with the prior invention, the dust removal is separated into two steps: when the bag filters, an electrostatic dust remover is completely used to greatly reduce a dust-containing concentration of the flue gas which enters into the bag; when the bag reversely blows and cleans ash, the electrostatic dust remover is used to effectively remove the dust for ash cleaning.

The invention discloses a high-dust holding capacity and high-efficiency composite electrostatic air purification device, which sequentially comprises a primary filtering screen, a carbon brush charge region, an electrostatic dust removal region, an air filter and a dust hopper, wherein a differential pressure transducer is arranged at the two ends of the air filter; a material level sensor is arranged in the dust hopper. According to the composite electrostatic air purification device, charged particles are collected by the electrostatic dust removal region, so that the air filter is protected, and the service life of the air filter is prolonged; the dust holding capacity of the air filter is reduced, pressure drop is reduced, and labor is saved; the exposure time of air, dust and particles on the air filter is reduced, and secondary pollution to the air caused by gas pollutants and bacterial viruses in a particle filtering process is reduced; the filtering efficiency of the electrostatic dust removal region is insensitive to blast volume changes, and the influence of proper increase of the blast volume to the overall dust removal efficiency of the device is limited, so that the purification device is suitable for blast volume variable buildings.

The invention provides an electrostatic dust remover for realizing flue gas cleaning by continuously winding and moving dust collecting plates. The electrostatic dust remover comprises a dust remover, wherein a dust exhaust apparatus is arranged at the dust remover, discharge electrodes and dust collecting electrodes are arranged in a housing of the dust remover, and the dust collecting electrodes are flexible and strip-shaped dust collecting plates; and the dust collecting plates are wound on guide rolls, the guide rolls comprise driving guide rolls and induction guide rolls, multiple induction guide rolls are divided into two layers and are arranged in equidistant and parallel manners, the dust collecting plates are repeatedly and continuously wound on the up-down corresponding induction guide rolls, the discharge electrodes are arranged in gaps between adjacent two dust collecting plate arrays, the driving guide rolls are mounted at two sides below the induction guide rolls in parallel, and a dust removing device for cleaning the dust collecting plates is further mounted between the driving guide rolls. According to the electrostatic dust remover for continuously winding and moving the dust collecting plates, the structure is simple, the dust collecting area is increased, the dust removing effect is improved, the ash removal is facilitated, the maintenance is free, and the cost is lowered.

The invention discloses a postposition type plasma cleaning device. In the whole device, a primary efficiency filter, a medium efficiency filter, a plasma electric field, a cooling device, a fan, a sound eliminator I and a high efficiency filter are sequentially and fixedly connected into a whole by using connecting flanges to form an air flue; air return openings which are arranged at both sides of a clean room are communicated by a sound eliminator II which is connected with an air return flue fixed between the primary efficiency filter and the medium efficiency filter; and a heat pump is fixed to one end of the cooling device. By adopting a flat grid plasma generator, the postposition type plasma cleaning device disclosed by the invention achieves the effects of high polarization voltage, large dust collecting area, less air resistance, low energy consumption and high dedusting and sterilization efficiency, has the advantages of convenience in disassembly and cleaning, low use cost, wide application range and obvious sound eliminating effect and is quite suitable for places needing sterilization, disinfection, dedusting and air purification.

The invention discloses a differential wet electric precipitator which is applied to the field of atmospheric pollution abatement. Every two adjacent differential polar plate rows are arranged to form a certain angle, so a plurality of mutually wedging sphenoid spaces are formed; each cathode framework is located in one sphenoid space and has a shape matching with that of the sphenoid space, and two working surfaces are respectively parallel to planes of differential polar plate rows at two sides; each sphenoid space forms a large-opening section and a small-opening section at an electric field entry-exit section, wherein the small-opening section is blocked off by using a baffle plate. Compared with a common plate-type electric field wet electric precipitator, the differential wet electric precipitator provided by the invention has the following advantages: under the condition of a same space volume, the utilization rate of space of an electric field is high, a dust collecting area is great, and flue dust collection efficiency is improved; with a special electric field structure, a low flow velocity zone exists in the electric field, and collection efficiency of PM 0.1-10 dust and water spray is high; a continuous and uniform water film is formed on the surfaces of polar plates, so ash deposition on the polar plates never happens, thereby guaranteeing high-efficiency stable operation of equipment.

A dust collector includes a charging part (12) for charging dust with electricity and a dust collecting part (30). Each of a dust collecting electrode (40) and a high-voltage electrode (50) that constitute the dust collecting part (30) includes: a base (41, 51) with a rectangular grid structure having a large number of vent holes (46, 56) formed therein; and projections (42, 52) extending into the vent holes (56, 46) of the opposed electrode (50, 40). The dust collector collects dust by generating an electric field between the dust collecting electrode (40) and the high-voltage electrode (50).

The invention relates to a combined and horizontal wet type electric dust precipitator comprising a shell, a horn-shaped inlet, a horn-shaped outlet, dust precipitation units and a dust bucket, wherein each dust precipitation unit comprises an anode system, a cathode system and a spraying and cleaning system and are of a vertically stacked two or more layer structure; and a dust-water isolator is arranged between each two dust precipitation units, and a cathode frame of each cathode system is suspended on a top beam of the shell of the layer of the corresponding dust precipitation unit. By virtue of the horizontal wet type electric dust precipitator, the flowing direction of smoke of the wet type electric dust precipitator is vertical to that of flushing liquid, so that a large amount of smoke can be processed, an anode plate conveniently collects fine particles and aerosol in the smoke, and the removal efficiency of the fine particles and the aerosol is further improved.

The invention discloses a filter-screen wet-type electric dust removing device. The electric dust removing device comprises a flue gas inlet device, a flue gas processing device and a flue gas discharging device, wherein the flue gas inlet device, the flue gas processing device and the flue gas discharging device are sequentially and closely connected with one another to form an integrated semi-enclosed device which is provided with openings in the two ends; a plurality of parallel anode plates and cathode wires arranged among the anode plates are arranged inside the flue gas processing device; dust collecting devices are arranged at the tail ends of the anode plates, and are used for capturing dust escaping from the tail ends of the anode plates. The electric dust removing device is efficiently intelligentized, and can effectively capture dust escaping along the surfaces of the dust collecting anode plates, increase the dust collecting areas of electric fields of dust removers, improve the dust collecting efficiency and avoid reentrainment pollution; in the wet-type soot cleaning process, the dust temperature can be further reduced, the dust moisture is increased, the dust specific resistance is reduced, and the dust removing efficiency is improved; meanwhile, when atmosphere hazardous materials are removed, effective ingredients in pollutants are extracted and converted into useful chemical fertilizers, low carbon and environment protection are realized, and the sustainable development of enterprises is facilitated.

The invention discloses an electronic type dust collector, and relates to the technical field of air purification. First stand columns and second stand columns are arranged at the positions, between end plates, of the two sides of the end plates respectively, and the two first stand columns are arranged on the upper sides and the lower sides of the end plates respectively; ionization area guide plates are fixed between the first stand columns, and the ionization area guide plates are fixed to ionization area fixing bolts through ionization area guide plate spacer bushes; molybdenum wires are hooked on ionization area powered-on bolts through springs, and two ends of the ionization area powered-on bolts are fixed to the end plates through wiring column insulation bushes, lock nuts and power connection nuts; collection plate fixing bolts are arranged on the outer sides of collection area powered-on bolts and fixed to the end plates, four collection area electrode plate powered-on bolts are arranged between the collection plate fixing bolts, and the collection area electrode plate powered-on bolts are fixed to the end plates through wiring column insulation bushes, lock nuts and power connection nuts. The electronic type dust collector is simple in structure, good in dust collection effect, high in air purifying efficiency and high in practicability.

Provided is a resin electrode and an electrostatic dust collector using the same which has satisfactory electrical conductivity as an electrode and is excellent in discharge property and dust collecting property. This resin electrode is used for a counter electrode of a discharge electrode and comprises a conductive resin prepared by mixing polyolefin or polyester resin with conductive carbon black.

The invention discloses a micro-unit cross-flow anode device for an electric precipitator, which comprises a plurality of electric fields arranged sequentially from the inlet to the outlet in the casing, each electric field includes cathode line rows and anode rows arranged in a staggered manner; the cathode row and the high-voltage Insulated hanging power supply connection, the anode system is installed on the girder on the top of the shell, the electric field channel is between every two adjacent anode rows, the cathode line row is located in the electric field channel, and the electric field between the anode rows of the electric field at the end of the outlet The channels are alternately turbid air channels and clean air channels. A rear baffle is installed at the outlet end of the turbid air channel, and a front baffle is installed at the air inlet end of the clean air channel. The front and rear baffles are arranged alternately; The column anode row is composed of several bow-shaped plates arranged and combined. The invention adopts a micro-unit cross-flow anode system, which can enhance the stability of the gas field and prolong the residence time of the dusty gas in the electric field; increase the dust collection area in the same electric field space, suppress the secondary dust generated by rapping, and improve the dust removal efficiency Up to 99.9% or more.

The invention relates to a two-dimensional anode dust collection electric precipitator. The two-dimensional anode dust collection electric precipitator comprises a flue gas channel, wherein a discharging cathode wire and a transverse dust collection anode plate are alternatively matched and distributed in an electric field region of the flue gas channel; and the transverse dust collection anode plate is parallel to a gas flow direction. The two-dimensional anode dust collection electric precipitator is characterized in that the electric field region of the flue gas channel is internally additionally provided with a longitudinal dust collection anode plate vertical to the gas flow direction at least; and each longitudinal dust collection anode plate is a through type pore plate. The two-dimensional anode dust collection electric precipitator has the advantages that the inner space of an electric field is sufficiently utilized; when the anode plate is arrayed in the parallel gas flow direction (namely a first dimension, or named as a transverse direction), the through type dust collection anode plate is arranged in the vertical gas flow direction (namely a second dimension, or named as a longitudinal direction; and dust collection area is doubled under the condition that the space of the electric precipitator is not increased and four-directional discharging cathode wires are adopted so that electric corona is relatively concentrated, the intensity of the electric corona is relatively strong, and the dust collection effect is relatively good.

The invention relates to an automatic ash-cleaning spiral dust collection pole electric dedusting machine, which comprises a shell, corona poles, a dust collection pole, a dust collection pole plate support and a corona pole support, a high voltage power supply device, cylindrical dedusting brushes, and a dedusting brush drive device. The dust collection pole is a vertically disposed isometric spiral dust collection pole plate, the cross section of which is a planar spiral line. The corresponding positions on the inner side and outer side of the spiral dust collection pole plate are provided with a pair of cylindrical dedusting brushes that contact the inner side and outer side of the dust collection pole plate and can roll to brush ash. The thread line type dust collection pole plate involved in the invention makes the dust collection pole plate structure very simple, convenient for making and processing, production and assembling, maintenance and disassembly, and more convenient for implementation of ash-cleaning automation. Compared with traditional dust collection plates, the electric dedusting machine saves more space, has larger dust collection area, can clean ash automatically, ensures high efficiency dust removal of products, has more stable and reliable working performance, avoids the hardship of human ash cleaning, and improves the work efficiency.

The invention relates to a reinforcing polar line in an electric precipitator, which comprises a polar line (3), and barb type polar line teeth (3a) arranged on the polar line (3) in a staggered manner, wherein a connection plate (1a) is arranged at the two ends of the polar line (3) respectively, a barb type polar line reinforcing tooth (1) is arranged on the two sides of the connection plate (1a) respectively, a connection hole matched with a pipe clamp (2) is formed in the center of the connection plate (1a), and the connection plate (1a), the polar (3) and the pipe clamp (2) are all connected to upper and lower cathode frameworks (2a) through bolts (2b). According to the polar line reinforcing teeth in the invention, the bar type teeth are arranged at the pipe clamp, corona discharge vacuum at the pipe clamp can be filled, and the corona discharge of the entire electric field is enabled to be more even. Therefore, under the condition of not changing equipment, 10 percent of dust collecting area is increased, the dust collecting efficiency of the electric precipitator is improved, and the purpose of having a better dust removing than that of the original barb line mounting structure is achieved.

The invention relates to a water-immersed self-cleaning cloth roller blind wet electrostatic precipitator. The technical scheme is as follows: the precipitator comprises an air inlet box (6), a precipitator body (7), an air outlet box (10) and dust buckets (8), wherein the precipitator body (7) comprises a plurality of cloth roller blind units (9) which are arranged in parallel or in series; the cloth roller blind units (9) comprise diving shafts (11), driven shafts (14), corona electrode wires (12) and cloth roller blind electrodes (13); the cloth roller blind electrodes (13) are made of anti-corrosion fiber cloth; the driving shafts (11) are connected with a motor (3) through a power transmission device (4); the cloth roller blind electrodes (13) are wound on the driving shafts (11) and the driven shafts (14); the corona electrode wires (12) are arranged on the inner sides and the outer sides of the cloth roller blind electrodes (13); and the driven shafts (14) are immersed in water in the dust buckets (8). The precipitator provided by the invention solves the problems that a water film is not uniformly distributed on the surface of a precipitation electrode and a metal precipitation electrode is corroded, and realizes automatic cleaning and high-efficiency dust removal.

The invention relates to a dust collection polar plate based on a particle trap effect, a novel polarity form and an efficient electrostatic dust collector. The dust collection polar plate is bent toform a plurality of convex folded plates and grooves, particle traps are formed at the grooves, a novel polarity form of matching the dust collection polar plate with the multi-angle double-thorn electrode is low in dust accumulation thickness and high in field intensity at the convex parts of the particle traps, and particles at the convex parts easily enter the traps under the action of airflowdrag force or rapping. The thickness of accumulated dust in the grooves is large, but the field intensity in a formed dust layer is low, inter-particle breakdown and interference to discharge are prevented, the operating voltage working interval is increased, and the electrostatic dust collector is formed in cooperation with an intelligent rapping system. According to the invention, reentrainmentdust is reduced, the effective field intensity loss of high-specific-resistance fly ash is reduced, and the specific resistance application range and the working temperature window of the electric precipitator are widened. The dust collection polar plate has the advantages of improving corona current, strengthening fine particle charge, improving dust removal efficiency and the like, can reduce operation cost, and has high industrial applicability and operation reliability.

The invention discloses a breeze electrical dust remover which comprises a shell, a dust collection system, a dust collection vibration device, a discharging system and a discharging vibration device, wherein the shell comprises an inlet end and an outlet end; the dust collection system and the discharging system are arranged in an inner cavity of the shell; the dust collection system comprises multiple groups of anode plates which are staggered by an angle and are connected end to end; a plurality of closing points are formed at each of the inlet end and the outlet end of the shell; the discharging system comprises multiple groups of cathode wires; each cathode wire group is arranged in space formed between every two anode plates in a manner of being shifted for a distance relative to each anode plate group; the anode plate groups are provided with inlet air baffles at the positions close to the shell at the inlet end; the closing points for connecting the two adjacent anode plate groups end to end are provided with inlet flow guide plates at the inlet end; an air balancing device is arranged at the inlet end; a flow guide device is arranged at the outlet end; the anode plates in each group are a series of metal sheets; the metal sheets are arranged in a row in the shell; the distances between the metal sheets are kept the same; the cross sections of the metal sheets are in the shape of curve or fold line structures.

The invention discloses air purification equipment and an air purification device. The air purification equipment comprises dust collection plates, a voltage supply device, conductive material parts arranged on the surfaces of the dust collection plates, and an air driving device, wherein a protrusion array for interfering airflow flowing through the surfaces of the dust collection plates to generate local turbulence is arranged on the surfaces of the dust collection plates; each group of conductive material parts comprises two conductive material layers; at least one dust collection plate is arranged between the two conductive material layers; air gaps are formed between the conductive material layers and the dust collection plates; the voltage supply device applies high potential and low potential to the two conductive material layers of each group of conductive material parts respectively, so that the dust collection plates between the two conductive material layers adsorb charged particles of airflow which flows through the surfaces of the dust collection plates. The airflow which flows through the dust collection plates is interfered by the protrusion array to generate local turbulence, and silicate and other particles with high specific resistance are violently collided or are collided with the protrusion array to be retained on the surface of the protrusion array along pressure layering of the airflow, so that the passing rate of the particles is reduced.

The invention relates to a high-efficiency purification electrostatic dust collector, aiming at solving the problem that the dust removal efficiency is reduced, caused by reverse corona and secondarydust rising. The high-efficiency purification electrostatic dust collector comprises a gas inlet, a gas outlet, a dust collection plate, a discharging wire and an ash bucket, wherein the dust collection plate is provided with an ash cleaning device; ash cleaning boxes with a special design are adopted and are used for squeezing dust swept by an ash cleaning brush at the top of the box body, so that the secondary dust rising is avoided; two ash cleaning boxes form one group, and form a loop through a rope; when one ash cleaning box is ascended, the other ash cleaning box is descended to clean ash. The ash cleaning brush is designed to keep vertical with the dust collection plate in an ash cleaning process; when the ash cleaning brush is ascended to be reset, a brush head is folded, so thatthe service life is prolonged. According to the dust collector provided by the invention, the disadvantages of a conventional electrostatic dust collector that the specific resistance is high, ultrafine dust and high-viscosity dust are difficult to collect and clean, the secondary dust rising is easy to cause and the like are overcome, and the defects of a bag dust collector that the equipment resistance is great, the operation cost is high, the working amount of daily maintenance is great, high-temperature and high-humidity flue gas is difficult to treat and the like are also made up; the high-efficiency purification electrostatic dust collector is simple in structure, high in ash cleaning efficiency, low in cost and easy to maintain.

The invention relates to equipment for removing nano-grade dust in gas and a dust removing method of the equipment. According to the dust removing equipment, a separation force is directly applied to particles so that the nano-grade dust in the gas can be removed; and the dust removing equipment is suitable for optical communication and new energy source industries. The dust removing equipment comprises a plate type positive electrode, a pipe type negative electrode, a spraying device, a gas flow distribution device, a shell, a buffering groove, an exhausting pipe and a draught fan; a plate type positive electrode mounting bracket and a pipe type negative electrode mounting bracket are mounted in the shell; the plate type positive electrode is mounted on the plate type positive electrode mounting bracket; the pipe type negative electrode is mounted on the pipe type negative electrode mounting bracket; the pipe type negative electrode is located in the middle of the plate type positive electrode; the spraying device comprises water pipes and spraying heads; the water pipes are distributed at the upper, middle and lower parts in the shell; the spraying heads are uniformly distributed on the water pipes and the spraying heads are distributed in a 360-degree direction; the gas flow distribution device is composed of a gradually-expanded pipe and a gas flow distribution plate; the buffering groove is formed in the lower part of the shell; and the exhausting pipe is mounted at the top of the shell and the draught fan is mounted on the exhausting pipe.

The invention discloses a photoelectrocatalysis air cleaning device having a turbulence air channel, which comprises a shell and an air-blowing mechanism arranged on the shell, wherein an air outlet is arranged on the shell; the air-blowing mechanism is connected to the air outlet through an arc-shaped air channel; the arc-shaped air channel is the arc-shaped air channel part in the air-blowing mechanism; a corona emitter electrode is arranged on the arc-shaped air channel; the corona emitter electrode and the inner wall of the arc-shaped air channel are respectively electrically connected to a power supply; a photoelectrocatalysis layer is coated on the inner wall of the arc-shaped air channel; and a dust-collecting cleaning wall is formed by the inner wall of the arc-shaped air channel under the condition of an electric field. The photoelectrocatalysis air cleaning device has reasonable space distribution, has large dust-collecting area, is high in cleaning efficiency, has wide cleaning scope, is low in air resistance and is small in energy consumption.

The invention discloses an efficient construction site dust collector. Four safety hoods are sequentially displayed at each of the upper portion and the lower portion of the front side wall of an airbellow from left to right. A motor is arranged on the rear side of each safety hood, wherein each motor rotor is provided with spiral blades. A dust collecting plate is arranged on the rear side of the air bellow. A square base is arranged below the air bellow. Universal wheels are arranged at the four end foot portions of the base correspondingly. The efficient construction site dust collector has the beneficial effects that the multiple sets of fans are adopted to be arranged in parallel, the whole front side face of the whole equipment is the dust suction area, and the dust collecting areais greatly enlarged; meanwhile, through the arrangement of the bottom universal wheels, transferring of the equipment is convenient; a handle is arranged on the right side of the dust collecting plateon the rear side of the air bellow, sliding wheels are arranged at the bottom, and detaching and cleaning are convenient; and through the arrangement of the safety hoods, personnel are prevented frombeing hurt by the spiral blades in the efficient construction site dust collector dust collecting process.

The invention discloses an industrial dust collection machine. The industrial dust collection machine comprises a shell, a fan arranged on the top part of the shell, a filter device arranged on the middle part of the shell, and a dust collection device arranged on the bottom part of the shell. An air outlet is formed on the top end of the shell, a dust inlet is formed on the bottom sidewall of the shell, and a motor is connected with the fan. The filter unit consists of a plurality of filter bags in horizontal arrangement, a connecting rod is horizontally inserted into the filter bags, and an ash wiping rocker connected with the connecting rod is arranged outside the shell. The dust collection device is a dust collection drawer, a drawer hole below the dust inlet is arranged on the sidewall of the shell, and a start switch is arranged on the middle sidewall of the shell. The filter device consisting of a plurality of filter bags in horizontal arrangement increases the dust collection area and consequently improves the dust collection efficiency greatly. The dust collection device is the dust collection drawer, and is convenient to put in and take out.

The invention belongs to the technical field of air purification and relates to a dust removal method for an electric purification part and an air purifier with the electric purification part. The dust removal method includes: judging whether a dust removal part needs to be started for operating or not; if yes, controlling the dust removal part to be abutted against a dust collection electrode ofa dust collection part; controlling the dust removal part to move relative to the dust collection electrode. According to the dust removal method, a dust removal mode can be automatically started according to needs. Compared with a method of keeping a decontaminating blade scraping the electrode in the prior art, the method has advantages that abrasion of the dust collection electrode can be effectively reduced, and dust removal effects can be improved.