296results about "Electrode carrying means" patented technology

An air filter for an air filter assembly in an air conditioner is provided, in particular for filtering out particles, preferably pollutants, from air. The air filter contains a filter element with an electrically conductive layer. The air filter also has a housing that partially encompasses a housing interior into which the filter element is inserted. The air filter also has a terminal on the housing that can be contacted from outside the housing interior, which is made of an electrically conductive material and is connected to the conductive layer of the filter element.

The present invention provides an anesthesia ventilator device that dynamically monitors and regulates the partial pressure of carbon dioxide. The device includes a ventilator main body with inputs connected to an oxygen source, an air source, an anesthetic gas source, and a carbon dioxide source. The output of the ventilator main body is connected to a mask. This invention can solve the technical problem of respiratory alkalosis caused by excessive ventilation in conventional anesthesia ventilator devices, which leads to excessive elimination of carbon dioxide by the patient and a decrease in the partial pressure of carbon dioxide in the body.

The present invention discloses an air hammer all-round vibration type electrostatic precipitator anode system, comprising an anode plate, a suspension beam and a clamping mechanism. The anode plate is suspended by the suspension beam in an electric field and arranged vertically to form an anode plate row. The anode plate row is clamped by the clamping mechanisms arranged horizontally from top to bottom and indirectly receives pneumatic vibration force from a pneumatic vibration device through the clamping mechanism. The anode plate can generate lateral displacement relative to the suspension beam along the pneumatic vibration direction during the pneumatic vibration, so the space utilization rate is large and the vibration cleaning effect is good.

The application relates to the technical field of electrostatic dust removal equipment, in particular to an electrostatic dust collecting device, an electrostatic dust removal system and an electrostatic dust collecting device design method. The electrostatic dust collecting device comprises a first metal plate, a second metal plate, a first support column, a second support column, a first positioning sleeve and a second positioning sleeve. The first metal plate and the second metal plate are parallel and arranged alternately along a first direction. The first support column and the second support column penetrate through the first metal plate and the second metal plate along the first direction. The first support column is electrically connected with the first metal plate, and the second support column is electrically connected with the second metal plate. The first positioning sleeve is arranged on the outer side of the first support column, and two adjacent first metal plates are supported through the first positioning sleeve. The second positioning sleeve is arranged on the outer side of the second support column, and two adjacent second metal plates are supported through the second positioning sleeve. According to the electrostatic dust collecting device, the machining precision of the support structure is improved, and the uniformity of the spacing between two adjacent conductive plates of the electrostatic dust collecting device is ensured.

The invention discloses a cathode wire, a cylindrical electric field and an installation method, and the cathode wire comprises a spring section, a linear section and a clamping section which are connected in sequence, and the spring section, the linear section and the clamping section are of an integrated structure. The linear section penetrates through the spring section, and the top of the linear section is fixedly connected with the top of the spring section; the spring section is used for being mounted on one side of the cathode frame; the clamping section is used for being installed on the other side of the cathode frame. According to the cathode wire, the cylindrical electric field and the installation method, the spring section, the linear section and the clamping section of the cathode wire are of an integrally-formed structure, installation accessories do not need to be additionally arranged, the installation process is greatly simplified, the clamping section and the spring section are both hidden in the cathode frame after installation is completed, only the linear section is exposed in the anode cylinder, and the installation efficiency is improved. The two ends, with complex structures, of the cathode wire can be prevented from making direct contact with lampblack, oil contamination adhesion is reduced, and the discharge effect of the cathode wire in long-term use and the purification effect of a cylindrical electric field are ensured.

The utility model relates to the technical field of purification equipment, and discloses an electric field structure in a purifier, which comprises an ionization area, the ionization area comprises a plurality of electrode plates arranged in a parallel array, the arrangement direction of the plurality of electrode plates is perpendicular to the air flowing direction, a plurality of through holes are formed in the electrode plates, a corresponding connecting pipe is inserted into each through hole, and the connecting pipe is connected with the ionization area. When the electrode plates and the connecting pipes are assembled, the electrode plates are arranged on the connecting pipes in a sleeving mode at intervals, then the pipe diameter of the connecting pipes is increased through the pipe expanding machine, the electrode plates and the connecting pipes are in interference fit, the assembling efficiency of the electrode plate assembly is improved, and the manufacturing cost is reduced.

The invention provides a novel flame-retardant conductive sulfuric acid corrosion-resistant electrostatic demister, and belongs to the technical field of environmental protection equipment. The problems of stress concentration of a tube bundle and a shell, difficulty in maintenance and high equipment failure rate caused by a hanging type structure of a traditional electrostatic demister are solved. The device comprises a supporting mechanism and a plurality of anode tube bundles, the anode tube bundles are arranged in the supporting mechanism in the vertical direction, a plurality of anode tube bundle fixing plates are sequentially arranged in the supporting mechanism in parallel in the vertical direction, and the anode tube bundles penetrate through the anode tube bundle fixing plates. The supporting mechanism comprises a top horizontal frame and a tube bundle supporting frame which are arranged in parallel, the top horizontal frame is arranged above the tube bundle supporting frame, and the top horizontal frame and the tube bundle supporting frame are connected through a plurality of connecting vertical beams. The anode tube bundle fixing plate located on the lower portion abuts against the tube bundle supporting frame and is matched with the tube bundle supporting frame. The device is mainly used for electrostatic demisting.

The invention relates to the technical field of building waste recovery, in particular to waste crushing treatment equipment for hydraulic engineering construction, which comprises a crushing cylinder and a dust removal cylinder, crushing teeth are arranged on the inner side surface of the crushing cylinder, a rotating mechanism is connected to one side of the crushing cylinder, a sieving mechanism is connected to the other side of the crushing cylinder, and a crushing mechanism is arranged in the sieving mechanism. A crushing hammer is arranged on the crushing mechanism, and the crushing hammer is arranged in the crushing cylinder and used for crushing construction waste; and the rotating mechanism comprises a rotating supporting column and a rotating positioning block, sealing plates which are symmetrically distributed are arranged on the rotating positioning block, the crushing cylinder is rotated through the rotating mechanism, and the construction waste is crushed. According to the construction waste crushing device, the crushing barrel rotates through the rotating mechanism, construction waste is crushed, small-particle construction waste is sieved through the sieve holes in the sieve plate, the construction waste is circularly crushed and sieved till being thoroughly crushed, dust is removed in the crushing process, energy consumption is low, new resource consumption is saved, and the construction waste crushing device is suitable for popularization and application. And the carbon emission is reduced.

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 present invention provides an electrostatic air purifier, which relates to the field of air purification equipment. The electrostatic air purifier includes a shell, a high-voltage circuit control module, an electrostatic generating module and a collecting module. The high-voltage circuit control module is fixed on the outer wall of the shell; three fixing holes are opened on the shell, and the high-voltage circuit control module includes three conductive components. The three conductive components extend into the interior of the shell from the fixing holes respectively. The conductive components are sleeved with insulating sleeves, which abut against the hole walls of the fixing holes. One of the conductive components is connected to the electrostatic generating module, and the other two conductive components are connected to the collecting module. In the electrostatic air purifier of the present application, the conductive components are sleeved with insulating sleeves, which abut against the hole walls of the fixing holes, thereby isolating the shell from the conductive components. In this way, the formation of electric spark patterns on the shell caused by leakage of the conductive components is avoided, thereby avoiding the short circuit problem caused by high voltage breakdown of the shell.

The utility model discloses a mounting mechanism for a cathode suspender of a wet-type electrostatic dust collector, which relates to the technical field of wet-type electrostatic dust collectors and comprises a cathode H-shaped girder and a suspender, a central column is fixedly arranged at the bottom end of the suspender, a clamping block is fixedly arranged at the bottom end of the central column and clamped in the middle of the upper end of the cathode H-shaped girder, and a supporting plate is fixedly arranged on the outer side of the central column. Sliding blocks are symmetrically arranged in the two ends of the supporting plate, connecting rods are fixedly arranged on the side faces of the sliding blocks, inserting plates are fixedly arranged at the ends, away from the sliding blocks, of the connecting rods, first springs wrap the outer sides of the connecting rods, symmetrical rectangular boxes are fixedly arranged on the two sides of the upper end of the cathode H-shaped girder, L-shaped plates are fixedly arranged at the upper ends of the sliding blocks, and stand columns are fixedly arranged at the ends, away from the sliding blocks, of the L-shaped plates; arc-shaped grooves are symmetrically formed in the two sides in the circular ring, and the stand columns are in contact connection with the inner sides of the arc-shaped grooves; according to the utility model, the suspender and the cathode H-shaped girder can be quickly and mutually mounted, the operation is simple, the efficiency is high, and the stability is good.

To provide an air cleaner collecting contaminants included in air by electric discharge.SOLUTION: The air cleaner includes a dust-collection water tank, a housing, an air supply unit, an exhaust unit, a plurality of discharge electrodes, a charging unit, and a rotary blade. The dust-collection water tank is configured to contain a liquid. The housing accommodates the dust-collecting water tank. The air supply unit is configured to supply air from the outside into the dust-collecting water tank to collect contaminants contained in the air. The exhaust unit includes an exhaust pipe disposed to face a water surface of the liquid, and is configured to discharge the air supplied to the dust-collecting water tank to the outside. The plurality of discharge electrodes are arranged along the circumference of the exhaust pipe. The charging unit is disposed in the dust-collecting water tank and charges the liquid to a polarity opposite to the polarity of the plurality of discharge electrodes so that an electric field is formed between the plurality of discharge electrodes and the liquid and contaminants are collected in the liquid. The rotary blade is installed at the bottom of the dust collecting tank and rotates the liquid so that a vortex flow is formed in the liquid. The air cleaner is configured such that a separation distance between a liquid level and the plurality of discharge electrodes is within a predetermined distance range.SELECTED DRAWING: Figure 2

The invention relates to a filter insert (10) for a filter unit comprising an electrical supply module, wherein the filter insert (10) can be inserted into an insert receiving area of ​​the filter unit in several insertion orientations, with an electrically insulating filter material (14), at least one electrically conductive polarizing element (16a, 16b) to which an electrical voltage can be applied to polarize the filter material (14), and a contact arrangement connected to the at least one polarizing element (16a, 16b) for electrically contacting the filter insert (10) with the electrical supply module.

The utility model belongs to the field of ionization electrodes for separating dispersed particles from gas by using an electrostatic effect, and particularly relates to a discharge electrode for an electrostatic trap and the electrostatic trap. The discharge electrode for the electrostatic trap comprises an electrode body, one end of the electrode body is provided with a fixing structure used for being fixed to an electrode fixing pipe of the electrostatic trap, the electrode body comprises a cylindrical discharge section used for discharging, the periphery of the cylindrical discharge section is provided with external threads, and threads of the external threads form a continuous discharge tip. The cylindrical structure can increase the wall thickness of the discharge electrode, so that the discharge electrode is not easy to wear or deform, the service life is prolonged, and meanwhile, the thread of the external thread can form a discharge tip, so that discharge occurs at the spiral end, the charge density is improved, and the electric field distribution is more uniform.

A corona disinfection module, characterized in that the corona disinfection module comprises a negatively conductive perforated plate and a positively conductive grid plate arranged at a distance from each other, wherein: the negative conducting perforated plate is provided with a plurality of mounting holes, a metallic round tube is attached to each mounting hole, the opening of the metallic round tube on the side near the mounting hole serves as an air inlet, and the other opening of the metallic round tube serves as an air outlet; the positively conducting grid plate is provided with several discharge needles which are arranged in a clearly corresponding manner to the metallic round tubes, and the tip of each discharge needle extends through the associated air outlet of the metallic round tube into the metallic round tube; and the ratio between the distance between the tip of the discharge needle and the air inlet of the metallic round pipe and the length of the metallic round pipe is 1 / 6 to 1 / 5.

The invention discloses an electrostatic filter, air purification equipment and a ventilation system. The electrostatic filter comprises a plurality of electrode plates arranged in parallel in the first direction, the electrode plates comprise first electrode plates and second electrode plates which are alternately arranged in the first direction and serve as high-voltage electrode plates and low-voltage electrode plates respectively, and a high-voltage electrostatic field is formed between every two adjacent electrode plates. The first electrode plate comprises a first insulating base material and a first conducting layer arranged on one side of the first insulating base material, the second electrode plate comprises a second insulating base material and a second conducting layer arranged on one side of the second insulating base material, and the first conducting layer and the second conducting layer are only arranged on the surface of the same side of the corresponding insulating base material and are arranged in a staggered mode in the height direction. Through the structure, the conductive edges of the adjacent electrode plates are not directly opposite any more, and a potential creepage or discharge path needs to bypass along the surface of the insulating base material, so that local electric field concentration is reduced, the possibility of discharge is reduced, and the electrode plates are suitable for electrostatic filtration with small-interval arrangement of the electrode plates.

The utility model discloses an electric dust remover hanging collapse prevention device which comprises an electric dust remover shell, two supporting porcelain columns, a collapse prevention hanging frame and a cathode hanging component, and the cathode hanging component comprises cathode hanging supporting channel steel welded to the electric dust remover shell and a chassis assembly supported by the cathode hanging supporting channel steel. The protective sleeve is welded below the base plate assembly, the insulating sleeve is fixedly installed above the base plate assembly, and the axis of the insulating sleeve is consistent with that of the protective sleeve; the tubular heater is installed around the insulating sleeve; the upper plate assembly is fixed above the insulating sleeve; the hanging steel pipe penetrates through the upper plate assembly and then sequentially penetrates through the insulating sleeve, the base plate assembly and the protective sleeve; the gland is arranged at the upper end of the hanging steel pipe in a sleeving mode and embedded into the upper disc assembly, and the pressing nut is arranged at the upper end of the hanging steel pipe in a screwed mode and tightly presses the gland. The device solves the problems of easy collapse, sealing failure and poor shock resistance of a traditional electric dust remover hanging system, and realizes comprehensive improvement of safety, stability and service life.

The invention relates to the technical field of waste gas treatment, in particular to a metallurgical electric furnace waste gas treatment device which comprises a gas inlet chamber, a gas outlet chamber, purification pipes fixedly mounted between the gas inlet chamber and the gas outlet chamber and corona wires arranged in the purification pipes. A first spraying mechanism, a second spraying mechanism and a supporting frame are arranged in the air outlet chamber, the supporting frame is fixedly mounted in the air outlet chamber, a plurality of uniformly distributed mounting seats are fixedly mounted at the top of the supporting frame, and two flow guide plates and mounting brackets are arranged on the outer sides of the corona wires. An adjusting mechanism is arranged at one end of each mounting base, and a connecting mechanism and a pushing mechanism are arranged in each mounting support. The device has the beneficial effects that the problems that in the prior art, a spraying type spray head cannot effectively wash the corona wire, so that impurities outside the corona wire are gradually accumulated, discharge of the corona wire is inhibited, and the dust removal efficiency is reduced are solved.

The utility model discloses high-voltage electrostatic oil removal tail gas purification equipment which comprises a high-voltage electrostatic oil remover body, a dust collection unit is installed in the high-voltage electrostatic oil remover body, a locking assembly for limiting the dust collection unit is arranged on the front face of the high-voltage electrostatic oil remover body, and a connecting frame is fixedly connected to the back face of a sealing plate. A connecting hole is formed in the front face of the high-voltage electrostatic degreaser body, the dust collection electrode plate is slidably clamped into the connecting frame, the outer wall of the dust collection electrode plate is slidably clamped with an inner cavity of the mounting hole, and a handle is fixedly connected to the front face of the sealing plate. According to the high-voltage electrostatic degreaser, the high-voltage electrostatic degreaser body, the dust collection unit and the locking assembly are used in a matched mode, under the action of the locking assembly, the sealing plate, the connecting frame, the dust collection electrode plate and the sealing frame can be stably installed on the high-voltage electrostatic degreaser body in a combined mode, limitation of the locking assembly is relieved, and then the dust collection electrode plate can be directly pulled out; and cleaning and maintenance are carried out.

The utility model discloses a lampblack electrostatic equipment wire electrode installation structure which comprises a frame, a wire electrode, an electric field tube, a fixing buckle, a supporting sleeve, a guide sleeve, a pull rod, a limiting nut, a gland and a spring. The electric field tube is fixedly installed on the wire electrode in a sleeved mode, and the upper end of the wire electrode is fixedly installed on the upper portion of the frame through the fixing buckle; the supporting sleeve is fixedly installed on the top of the second through hole in the lower portion of the frame, and a first through hole matched with the guide sleeve is formed in the upper portion of the supporting sleeve. Under the action of the elastic force of the spring, the electrode wire can be always in a tensioned state, the spring tensioning mechanism can be selectively arranged at any position up and down or left and right relative to a heavy punch traction tensioning mode, in addition, the pull rod is guided through the guide sleeve, and the problem that the pull rod swings due to external vibration force due to the fact that a through hole of the supporting sleeve is too large can be solved.

The invention relates to an air filter unit (100) for an air filter device (1) of an air conditioning system, in particular for separating particles, preferably dirt particles, from air (L). The air filter unit (100) comprises a filter element (101) with an electrically conductive layer (103). Furthermore, the air filter unit (100) comprises a housing (104) which partially surrounds an interior housing space (105) in which the filter element (101) is replaceably arranged. The air filter unit (100) also comprises a connection element (106) made of an electrically conductive material, arranged on the housing (104) and electrically contactable from outside the interior housing space (105), which is electrically connected to the electrically conductive layer (103) of the filter element (101).

The application discloses an electrostatic filter, an air purification device and a ventilation system. The electrostatic filter comprises a plurality of electrode sheets arranged in parallel along a first direction, the electrode sheets comprising first electrode sheets and second electrode sheets arranged alternately along the first direction, respectively serving as high-voltage electrode sheets and low-voltage electrode sheets, and a high-voltage electrostatic field being formed between adjacent electrode sheets. The first electrode sheet comprises a first insulating base material and a first conductive layer arranged on one side of the first insulating base material, and the second electrode sheet comprises a second insulating base material and a second conductive layer arranged on one side of the second insulating base material, wherein the first conductive layer and the second conductive layer are arranged on the same side surface of the corresponding insulating base material and are arranged in a staggered manner in the height direction. Through the above structure, the conductive edges of adjacent electrode sheets are no longer directly opposite, and the potential creeping or discharging path needs to be detoured along the surface of the insulating base material, thereby reducing the local electric field concentration and reducing the possibility of discharging, and the electrostatic filter is suitable for electrostatic filtering applications with small electrode sheet spacing.

The utility model relates to the technical field of electric dust removal, and discloses an electric dust remover anode plate limiting device which comprises a fixing frame, adjusting assemblies are arranged at the two ends of the fixing frame and used for flexibly adjusting a limiting interval, and two rapid clamping limiting assemblies are arranged on the inner sides of the lower ends of the adjusting assemblies. According to the limiting device for the anode plate of the electric dust remover, the rapid clamping limiting assembly is installed, outward overturning thrust can be provided for the overturning plate by arranging a torsional spring structure, the overturning plate pushes the supporting wheel to extend outwards under the action of a torsional spring, and during installation, the supporting wheel is tightly attached to the inner wall of a dust removal anode plate groove; and the supporting spring and the U-shaped bracket are matched, so that the dust removal anode plate can be tightly clamped at the two ends, the anode plate is limited, the mounting efficiency is effectively improved, and the mounting time is shortened.

The utility model relates to the technical field of electrostatic dust collectors, in particular to a mounting mechanism and an electrostatic dust collector. The mounting mechanism comprises a fixing assembly, the fixing assembly comprises a base, a lead screw and a clamping block, the lead screw is in rotating fit with the base, and the clamping block is in threaded fit with the lead screw; the adjusting assembly comprises at least one gear, a chain and a rocking handle, the gear is fixedly arranged at one end of the lead screw, the chain is matched with the gear, and the rocking handle is arranged on one side of the gear and fixedly connected with the lead screw. The electrostatic dust collector further comprises a cathode wire, connecting plates are fixedly arranged at the two ends of the cathode wire, and the connecting plates are arranged in the limiting grooves. The problem of tedious installation of the cathode wires is solved through cooperative use of the fixing assembly and the adjusting assembly, unified installation and fixation of the cathode wires are achieved, and the installation efficiency is improved.

A gas turbine engine combustor section (15) extends axially from a pre-diffuser (220) at a forward end to an aft end relative to an engine axis (A). The gas turbine engine combustor section (15) includes a combustor liner (232) defining a combustion chamber and a combustor dome (234) situated at a forward end of the combustor liner (232) and affixed thereto. The gas turbine engine combustor section (15) further includes an electrostatic particulate matter collector (250). The electrostatic particulate matter collector (250) includes a first charged flow guide (254) having an axially forward-most extent aligned with the pre-diffuser (220) and widens radially with respect to the engine axis (A) from the forward-most extent to the combustor dome (234). The electrostatic particulate matter collector (250) further includes a fuel nozzle (222) extending through the first charged flow guide (254) into the combustor dome (234). The electrostatic particulate matter collector (250) also includes a power supply (204) electrically coupled to positively charge the first charged flow guide (254).

The present disclosure relates to an electrostatic filtering device. The electrostatic filtering device includes a positive electrode plate group and a negative electrode plate group. The positive electrode plate group and the negative electrode plate group use different support components to connect the various electrode plates in the group. At least one first electrode plate or an insulating support plate connected to the first electrode plate is configured to participate in forming a sealed cavity that is a sealed structure at least relative to the windward surface. A second electrode plate with a polarity different from that of the first electrode plate and / or a second support component connected to the second electrode plate are provided in the sealed cavity. The second electrode plate or the second support component is connected to the sealed cavity or the first electrode plate or the first support component connected to the first electrode plate using an insulating material component inside the sealed cavity. The second electrode plate outside the sealed cavity, the second support component outside the sealed cavity, and the second support component when passing through the sealed cavity are not in contact with the sealed cavity. In this way, it is possible to prevent or reduce the contact of unpurified air with the insulating support structure between the positive and negative electrodes.

The utility model relates to the technical field of cathode wires, and discloses a cathode wire fixing frame which comprises a fixing plate, wire passing holes are formed in the outer surface of the fixing plate, a pulling plate is movably connected to the outer surface of the fixing plate, mounting holes are formed in the outer surface of the pulling plate, the number of the wire passing holes is multiple, and the wire passing holes are connected with the mounting holes. The multiple wire passing holes are distributed in the outer surface of the fixing plate in a linear array, and in daily use, the lower rhombic frame is scientifically and reasonably arranged. The fixing plates, the pulling plates and the threaded nails are used for stabilizing the lower frame of the equipment cathode system, after the cathode line fixing battens are installed, the periphery of the frame needs to be fixed through the pulling plates and the threaded nails and is limited again, the stability of the cathode system is effectively improved through the mode, and finally the purposes that the lower rhombic frame is easy to manufacture, convenient to install and low in cost are achieved. And the stability is good, the stability of the lower framework of the cathode system is improved, and the fault occurrence rate is greatly reduced.

The utility model discloses a grid type combined anode row for an electric dust remover, which relates to the technical field of electric dust removers and comprises an anode row, a first pipe orifice is arranged at the top end of the anode row, first clamping rods are fixedly connected to the inner walls of two sides of the first pipe orifice, one end of each first clamping rod is fixedly connected with a top semi-ring, and the other end of each first clamping rod is fixedly connected with a top semi-ring. A movable plate is arranged in the middle of the anode row, sleeves are fixedly connected to the four corners of the top end of the movable plate, fastening bolts movably penetrate through the outer walls of the sleeves in a threaded mode, and a fixed plate is fixedly connected to the outer wall of the top end of the anode row. According to the utility model, a series of structures are arranged, so that the anode row is not easy to collide and abrade in the moving or transporting process, the moving or transporting of the anode row is facilitated, and the probability that the cathode wire tube swings left and right in the anode tube is reduced, thereby being beneficial to the normal generation of an electric field in the anode tube; and the adverse effect on the conductive efficiency of the anode tube is reduced.

The present disclosure provides an ion generator and a dust removing apparatus. The ion generator provided according to the present disclosure can achieve a variable dimension in a first direction and / or a second direction, so as to effectively improve applicability of the ion generator, and enable it to meet the needs of occasions that require varied dimensions. Therefore, an ion generator with a customized external dimension can be quickly achieved.