138results about "Incrustation removal devices" patented technology

The application discloses a calcium carbide furnace flue heat collection method, which comprises a waste heat evaporation tank, one end of the waste heat evaporation tank is connected with a calcium carbide furnace flue inlet pipe, the other end of the waste heat evaporation tank is connected with a calcium carbide furnace flue outlet pipe, the calcium carbide furnace flue inlet pipe and the calcium carbide furnace flue outlet pipe are connected through a porous jointer and a middle flue gas guide pipe, and the flue gas guide pipe is located in a water evaporation tank. The calcium carbide furnace flue heat collection method has the flue gas guide pipe located in the water evaporation tank, the flue gas guide pipe is subjected to a downward action when moving downward through the circumferential movement of a cam, moves downward, and moves upward through the elasticity of a corrugated expansion pipe along with the cam, so that the impact of the cam and the water impact in the water tank when the flue gas guide pipe moves and the vibration of the inner wall of the flue gas guide pipe can avoid dust in high-temperature flue gas remaining on the inner wall, achieve a cleaning effect and bring a better use prospect.

The utility model discloses a cement kiln tail automatic dust cleaning dust collecting system, including rotary kiln and seal cover, the tail of rotary kiln is provided with kiln tail seal, and the side of seal cover is close to the kiln tail seal and is provided with the notched opening, and the caliber of this notched opening is greater than the caliber of kiln tail seal. The outside of kiln tail seal is provided with sealing sheet, and the middle part of notched opening is provided with the recess to the inside, and sealing sheet is located in the notched opening and extends to the recess partially. The utility model relates to cement production equipment technical field, and this cement kiln tail automatic dust cleaning dust collecting system can collect the kiln dust of kiln tail seal leakage through the sealing cover, and through the close cooperation between the notched opening with larger caliber and sealing sheet, can overcome the dust leakage problem caused by rotary kiln up and down movement, ensures that the kiln dust does not leak to the environment, further, through setting cooling chamber in the dust hopper, can cool high temperature kiln dust, and then through the pipeline and into the waste gas main pipeline, thereby realizes the automatic dust cleaning purpose.

The present application provides a kind of from tin dross separation and recovery roasting furnace of tantalum niobium and method thereof.The from tin dross separation and recovery roasting furnace of tantalum niobium includes: base;Furnace body, the furnace body is installed on the base, the top of the furnace body is equipped with burner, the furnace body is used to input tin dross powder to realize roasting;Stirring assembly, the stirring assembly is installed in the furnace body, the stirring assembly is used for mixing stirring when tin dross powder roasting, recess is opened in the furnace body inner wall.The present application provides the roasting furnace of from tin dross separation and recovery tantalum niobium and method thereof, by the first stirring structure longitudinal rotation to material mixing, cooperate the second stirring structure transverse rotation to provide transverse shear force, avoid the single stirring face to form stirring dead angle, improve the uniformity of material mixing, and also can turn over material when roasting, make roasting fully carry out, to improve the tantalum niobium recovery efficiency.

This invention discloses a striking device driven by hot gas from a rotary kiln, comprising a striking device and a support frame. The striking device includes a power unit and a striking assembly. The power unit includes a base, a connecting seat, and a cover plate. An air inlet chamber is formed between the cover plate and the connecting seat. The connecting seat has a first air passage and a second air passage respectively connected to the air inlet chamber. An air outlet passage is formed between the first and second air passages. A piston is equipped with a driving rod. A slider is slidably mounted in the air inlet chamber. An air outlet chamber is formed between the slider and the connecting seat. A guide rod is provided on the side of the slider. A transmission component is hinged to the support frame and is hinged to the guide rod. A control block is provided on the driving rod. The driving rod drives the striking assembly to reciprocate and strike the rotary kiln wall. This invention can utilize the high-temperature hot gas generated by the rotary kiln to descale the inner wall of the rotary kiln, achieving heat recycling, energy saving, and environmental protection.

The utility model belongs to preheater cleaning technical field especially is a kind of preheater skin's cleaning facility, including the high-pressure water gun of being installed on preheater, and the high-pressure water pipe being matched with high-pressure water gun and the footboard being connected with high-pressure water gun and being used to control high-pressure water gun switch, the high-pressure water pipe, high-pressure water gun and footboard are all distributed in the multiple floors of preheater, the high-pressure water pipe set in each floor is connected by connecting pipe, and the floor where the high-pressure water pipe is laid is respectively equipped with different length's cleaning rod, the cleaning rod is used to assist high-pressure water gun to clean the skin inside preheater, by distributing high-pressure water gun, high-pressure water pipe and footboard in the multiple floors of preheater, the efficient cleaning of the skin inside preheater is realized, and the flexibility and efficiency of cleaning are improved;The setting of hand valve enables operator to accurately control the flow of high-pressure water flow, and improves the safety and flexibility of cleaning.

A method for removing deposits from the walls of a smelting furnace and a method for operating a smelting furnace are proposed. The method for removing deposits from the walls of a smelting furnace, in which the upper surface of the charge loaded into the smelting furnace is lowered to the lower part of the deposits, the deposits are exposed, and water is sprayed on the exposed deposits to remove the deposits. The method is preferably adjusted in such a way that the spraying is performed intermittently with intervals between the spraying and the spraying, the spraying time, the interval time, the spraying flow rate, and the total spraying amount per spraying are adjusted to maintain a predetermined furnace heat level, and the removal of the deposits is performed. The method for operating a smelting furnace includes a deposit removal process in which the charge loaded into the smelting furnace is reduced to the lower part of the deposits during operation or during a blowdown period, and the deposits on the walls are removed by the above-mentioned method for removing deposits from the walls of a smelting furnace.

This utility model discloses a vertical kiln ejector unclogging device, belonging to the technical field of unclogging devices. It includes an air tank, a main pipe vertically arranged above the air outlet valve, a solenoid valve installed between the air outlet valve and the main pipe, a tee connector fixedly connected to the top of the main pipe, and a first compressed air ring pipe and a second compressed air ring pipe respectively arranged on the left side of the main pipe. This vertical kiln ejector unclogging device, by comprising an air tank, a solenoid valve, a main pipe, a first branch pipe, a first compressed air ring pipe, and a first inclined blowing pipe, allows the air tank to stabilize the air source pressure during use. Compressed air enters the first compressed air ring pipe through the main pipe and the first branch pipe, and is then blown into the ejector channel through the corresponding first inclined blowing pipe, blowing off the dust adhering to the inner wall of the channel. The solenoid valve controls the blowing frequency, achieving the function of easily cleaning dust in the channel and solving the problem of easy clogging and difficult cleaning of the ejector channel.

The utility model discloses a blast furnace ash calcining device of secondary zinc oxide production, incline and set rotary kiln, the kiln head of rotary kiln is provided with feed inlet and combustor respectively, and the kiln tail of rotary kiln is provided with dust catcher, the bottom of rotary kiln is provided with drive mechanism, and the upper end of rotary kiln is equipped with knocking mechanism, and knocking mechanism includes mounting bracket, mounting plate, rotating electrical machine, a plurality of rotating shafts, a plurality of connecting rods no.

The present application relates to temperature detection technical field, specifically to a kind of furnace hearth temperature monitoring device of heating furnace for waste mineral oil recovery, including mounting seat, the present application is driven by using heating furnace hearth itself air pressure difference driving impeller rotation, without external power can realize the online automatic scraping of the outer wall of protective sleeve pipe coking and axial reciprocating micro-vibration coking removal, effectively avoid the production interruption caused by shutdown manual cleaning, improve waste mineral oil recovery continuous operation efficiency, the high-frequency reciprocating vibration of protective sleeve pipe can cooperate with scraper to eliminate coking dead angle, destroy coking adhesion base, substantially reduce the barrier effect of coking layer to heat conduction, significantly improve the temperature response speed and detection accuracy of detection probe, so that intelligent temperature sensor can stably obtain furnace hearth real temperature, provide reliable data support for process control, overall structure is compact, strong adaptability, meet the explosion-proof use requirement under flammable and explosive condition, extend the stable operation period of temperature monitoring device.

This utility model discloses a waste heat exchange device for flue gas from a heat treatment furnace, belonging to the technical field of waste heat exchange devices. It includes an exchange tank with a water tank at its bottom. Each side of the exchange tank has an air inlet, and the other side has an air outlet. The water tank has a water inlet on one side and a water outlet on the other side. A drain outlet is located at the bottom of the water tank. A metal tube is installed inside the exchange tank, and a transmission tube is attached to the bottom of the metal tube, extending into the water tank. This utility model utilizes a striking rod to drive a connecting rod to strike the inner wall of the connecting cylinder, generating sound waves. These waves are then transmitted through the hollow metal tube and the transmission tube, causing vibration on the outer wall of the metal tube. This vibration removes impurities adhering to the metal tube without disassembling the outer casing, making it convenient to use.

A metallurgical plant comprises a vacuum treatment unit (1) for a molten metal (3) located in a ladle (2) and a vacuum pump (6) connected to the vacuum treatment unit (1) via a base pipeline (7), so that gas (8) can be extracted from a treatment area (5) formed by the vacuum treatment unit (1) via the vacuum pump (6) and the base pipeline (7). A base valve assembly (10) is arranged in the base pipeline (7), by means of which the base pipeline (7) can be shut off. The metallurgical plant further comprises a dust extraction system (11) which is fluidically connected to a connecting section (13) of the base pipeline (7) via an auxiliary pipeline (12). The connecting section (13) is located upstream of the base valve assembly (10) from the vacuum treatment unit (1).An additional valve device (14) is arranged in the auxiliary pipeline (12), by means of which the auxiliary pipeline (12) can be shut off.

The utility model discloses a kind of alloy auxiliary material adding mechanisms for metallurgy, including metallurgical furnace, the side of metallurgical furnace is equipped with support table, the top left side of support table is rotatably connected with adjusting screw rod, and the one end of adjusting screw rod is installed with motor one, the top of support table is below adjusting screw rod and is equipped with a pair of limit sliding slot, the top of support table is slidably connected with sliding frame, and the side corresponding to metallurgical furnace of sliding frame is fixedly connected with a pair of sleeve rod, the outside of sleeve rod is equipped with fixed frame, the inside fixed connection of fixed frame has storage tank, the bottom of storage tank is fixedly connected with downcomer, the bottom side of downcomer is equipped with four groups of discharge port, the outside of downcomer is slidably connected with sealing ring, compared with existing auxiliary material adding mechanism, the utility model can be conveniently guided to powder alloy auxiliary material by design and discharge, avoid avoiding powder alloy auxiliary material to scatter everywhere when discharging, improve overall practicality.

To provide a method of crushing and removing a deteriorated layer of a refractory layer of an inner surface of a vessel in a short time.SOLUTION: A crushing method of a refractory layer in which at least part of the refractory layer is crushed by a crushing tool when repairing a vessel having the refractory layer on an inner surface thereof includes: a first crushing step of crushing at least part of the refractory layer while moving, in a first direction of an inner surface of the vessel, the crushing tool along a first route set at intervals not overlapping therein so that regions to be crushed by the crushing tool are not overlapped; and a second crushing step of crushing at least part of the refractory layer while moving, in a second direction crossing the first direction of the inner surface of the vessel, the crushing tool along a second route set at intervals not overlapping therein so that the regions to be crushed by the crushing tool are not overlapped.SELECTED DRAWING: Figure 3

The utility model relates to the field of coated silicon material preparation, concretely relates to a coated silicon material preparation vacuum furnace convenient to clean, including bearing platform, vacuum pump is installed in bearing platform upper side, the utility model discloses through the inside vacuum furnace shell moves along the outside vacuum furnace shell, can make the inside vacuum furnace shell and outside vacuum furnace shell open and shut, realize the manual cleaning of its inside conveniently, and in the moving process, the scraper ring one and the scraper ring two can utilize the power of movement, the inside wall of both is scraped to the residue, thereby guaranteeing the cleanness of both interiors, and the setting of sealing ring and sealing groove can effectively guarantee the air tightness of both, through this kind of mode can effectively guarantee the sealing property of vacuum furnace, and utilize the power when opening, clean the inside wall of both, thereby avoiding the residue of residue, and the vacuum furnace inside after starting is completely open, thereby facilitating the subsequent manual fine cleaning, thereby improving the subsequent coated silicon material preparation quality.

The application discloses an aluminum ash rotary kiln and a polyaluminum chloride production process, and relates to the technical field of rotary kilns. The aluminum ash rotary kiln comprises a rotary kiln main body, and the rotary kiln main body comprises a kiln body, a kiln tail, a kiln head and a spiral conveyor used for feeding into the rotary kiln main body. When the raw materials are calcined in the rotary kiln, the kiln body can drive the raw materials to be turned over when the kiln body rotates, and the raw materials fall on the first filter plate under the action of gravity. At the same time, the second filter plate can be driven to move back and forth by a driving mechanism, and a plurality of rolling mills can be driven to roll back and forth by the first fixing frame and the rotating shaft. At this time, the raw materials on the first filter plate can be laid flat, and the caked raw materials can be crushed by rolling at the same time. The crushed and laid flat raw materials can fall into the kiln body again through the first filter plate, so that the raw materials at the bottom of the kiln body are uniformly distributed, caking is avoided, uniform calcination is ensured, and the efficiency and quality of high-temperature calcination are improved.

This utility model discloses a vacuum induction melting furnace with anti-residual metal type, including a melting shell, a device top cover fixedly connected to the top of the melting shell, a rotating seat rotatably connected to the top of the device top cover, a transmission gear A provided on the outer side of the rotating seat, a rotating component provided at one end of the transmission gear A, the rotating component being used to connect the rotating seat and the device top cover, a stirring rod A rotatably connected to the center position of the bottom end of the rotating seat, stirring rods B provided on both sides of the stirring rod A, a transmission component provided at the top of the stirring rod B, the transmission component being used to connect the stirring rod A and the stirring rod B; the rotating component includes a servo motor B, the output end of the servo motor B being fixedly connected to the transmission gear B; this utility model achieves multi-axis stirring through the cooperation of stirring rod A and stirring rod B, improving the stirring quality of the device, and a cleaning wall mount is provided on the outer side of the stirring rod B, so that the cleaning wall mount cleans the inner wall of the melting shell during the rotation of the stirring rod B.

The invention relates to a method for removing lime mud depositions (30) from internal surfaces (10a) of a rotary lime kiln (10), wherein the lime mud is lime mud formed in pulp production and in which rotary lime kiln (10) the lime mud is heated in the interior space of the rotary lime kiln (10) with an internal heater to calcinate the lime mud, and wherein the method comprises method steps of -providing an external temperature control arrangement (20) being capable to change the internal surface temperature of the rotary lime kiln (10) at least in one location from outside the interior space (12) of the rotary lime kiln (10), -changing the internal surface temperature of the rotary lime kiln (10) at least in one location by the external temperature control arrangement (20) to remove lime mud depositions (30) from the internal surface (10a) at the at least one location, -increasing the temperature at the internal surface at least to 800°C, preferably at least to 900 °C. The invention relates also to an apparatus for removing lime mud depositions (30) from internal surfaces (10a) of a rotary lime kiln (10).

This utility model relates to the field of automated production technology, specifically to an auxiliary turning fixture for kiln production, comprising a track, a machine body, a main body, and a cleaning component. The machine body is mounted on the track, and the main body is mounted on the machine body. The cleaning component includes an air supply box, a fan, a mounting component, a connecting block, an air nozzle, and a connecting component. The air supply box is fixedly connected to the machine body and located on the side of the machine body away from the track. The fan is fixedly connected to the air supply box and located on the side of the air supply box away from the machine body. The connecting block is connected to the machine body via the mounting component, which supports the connecting block. The air nozzle is fixedly connected to the connecting block and located on the side of the connecting block away from the machine body. The connecting component is mounted on the air supply box and connects the air supply box and the connecting block, thereby enabling the cleaning of debris in the track, ensuring stable movement of the equipment in the track, and improving the practicality of the equipment.

The utility model relates to ironworks sintering workshop equipment technical field, concretely relates to a kind of mobile trolley type automatic material cleaning device;Including vehicle body, sweeper, universal shaft, universal wheel and support rod, vehicle body is overall frame, vehicle body bottom is equipped with walking wheel, sweeper is installed in the rear portion of vehicle body, sweeper is connected with shuttle material distribution car by universal shaft, universal wheel is equipped in the both sides of sweeper, horizontal bar is equipped in the middle of vehicle body, universal wheel and support rod are connected with vehicle body by horizontal bar, vehicle body is square frame, the length-width-height of vehicle body is determined by the size of the space of the bottom of field shuttle material distribution car, each of the both sides of vehicle body bottom is equipped with symmetrical walking wheel, horizontal bar is equipped in the middle of vehicle body, horizontal bar is connected with vehicle body by bearing, sweeper is equipped in the rear portion of vehicle body, sweeper top is connected with shuttle material distribution car by universal shaft, universal wheel is installed in the both sides of sweeper;Mobile trolley type automatic material cleaning device designed by the utility model: reduce safety risk, realize efficient continuous material cleaning.

The utility model relates to a porcelain insulator technical field, specifically is a kind of porcelain insulator's maintenance device, including maintenance room, maintenance liquid spraying subassembly, steam spraying subassembly, electric heating tube and no. 2 electric heating tube, the top of maintenance room is equipped with maintenance liquid spraying subassembly, the maintenance liquid spraying subassembly includes maintenance liquid storage tank, maintenance liquid delivery pipe and maintenance liquid collecting groove, the maintenance liquid storage tank is fixed in the top of maintenance room one end;The novel porcelain insulator maintenance device has the structure of the double maintenance of liquid coating and heat treatment for porcelain insulator, the insulation performance, weather resistance, mechanical strength of porcelain insulator can be comprehensively optimized, and it has the function of temperature compensation for the upper end of maintenance room using electric heating tube, so that the inside of maintenance room can long-term keep relatively suitable temperature, prevent the uniformity of liquid coating and heat treatment from being influenced, so as to effectively improve maintenance effect.

This utility model discloses a low-NOx energy-saving burner for reducing NOx emissions, comprising: a burner body, the burner body being fixedly connected to a combustion tube; further comprising: an adjustment mechanism for adjusting flow rate provided on the front side of the burner body, and an air inlet pipe provided on the front side of the burner body; a cleaning mechanism for removing ash provided inside the combustion tube, and the combustion tube being rotatably connected to a second threaded rod. Preferably, a baffle is provided on the front side of the air inlet pipe, and a filter screen is provided inside the baffle. In this low-NOx energy-saving burner for reducing NOx emissions, the arc-shaped groove is arc-shaped, and the rear side of the conical seat is also arc-shaped. By rotating the first threaded rod, the positional relationship between the conical seat and the arc-shaped groove is adjusted, thereby adjusting the air flow rate and reducing NOx emissions. The outer side of the cleaning plate is tightly fitted to the inner side of the combustion tube, so the rotating connecting shaft can remove ash from the inner wall of the combustion tube, facilitating combustion.

This utility model relates to the field of zinc oxide rotary kiln technology, and more particularly to a water-cooled settling chamber for a zinc oxide rotary kiln waste heat boiler. It includes a settling chamber body and a foundation platform. The settling chamber body is installed on the foundation platform and includes an upper box structure and a lower boat-shaped structure. The box structure is composed of side wall membrane water-cooled walls, upper side headers, upper front headers, upper front wall membrane water-cooled walls, upper rear headers, and upper rear wall membrane water-cooled walls, forming an upper chamber. The upper front wall membrane water-cooled walls have through holes for the rotary kiln to be inserted and connected. The upper side headers have an outlet flue with a square-round section connecting to an external waste heat boiler. The bottom of the boat-shaped structure has multiple discharge hoppers. This utility model replaces the refractory-lined settling chamber with a water-cooled settling chamber, allowing the recovery of the unrecovered flue gas temperature drop in this section, increasing the steam production of the waste heat boiler; the return material temperature in the bottom discharge hoppers is reduced, decreasing the physical sensible heat loss of the material and improving the surrounding operating environment.

The application discloses a kind of automatic oil injection equipment of sintering trolley wheel.The automatic oil injection equipment is arranged at the outside of wheel travel direction.The automatic oil injection equipment includes measuring mechanism, oil injection mechanism and multi-degree-of-freedom driving mechanism, measuring mechanism is used to measure the spatial position of oil nozzle of wheel;Oil injection mechanism includes oil injection head and oil injection machine, and the oil injection machine is connected with the oil injection head;Driving mechanism is connected with the oil injection head of oil injection mechanism, and driving mechanism is used to drive the oil injection head to be connected with the oil nozzle of wheel according to the spatial position of oil nozzle, and the oil injection machine is supplied with oil to the oil nozzle of wheel through the oil injection head.The technical scheme of the application measures the position of oil nozzle by measuring mechanism, and the oil injection head is driven to be connected with the oil nozzle by driving mechanism, and then the oil injection machine is supplied with oil, which realizes the automatic oil injection of sintering trolley wheel, reduces the participation of manual work, improves the oil injection efficiency, and the working safety is improved.

The utility model provides a novel ice nickel smelting furnace with mobile base bed relates to ice nickel smelting furnace technical field. It includes furnace body support, furnace body unit, vertical mobile unit and mobile base bed, and furnace body unit and vertical mobile unit all are connected with furnace body support, and vertical mobile unit is movably connected with mobile base bed, and vertical mobile unit can drive mobile base bed to move in vertical direction, and when mobile base bed moves up to limit position, can form butt joint with the bottom of furnace body unit, and after mobile base bed moves down to limit position, can move in horizontal direction. Through being provided with movable mobile base bed, can empty in the stove in short time, make the space of ventilation in the stove, reduce the furnace knot, accelerate the speed of manual furnace knot, improve the working environment, reduce the engineering quantity, save time. Novel ice nickel smelting furnace can greatly shorten the time required for handling fault, greatly improve production efficiency, create good economic benefits.

This utility model provides an aluminum alloy smelting and impurity removal device, belonging to the field of aluminum alloy smelting, including a smelting furnace; a support, on which a lifting mechanism is provided, and on which an impurity removal mechanism is provided; a support shell, which is fixed to the bottom of the lifting mechanism; and a gear ring, which is rotatably connected inside the support shell. This utility model, through the cooperation of a sliding seat, a driving component, and a cleaning component, can automatically clean impurities adhering to the inclined section of the smelting furnace. When the driving component drives the cleaning spoon into the smelting furnace, due to the structural design, the cleaning spoon rotates away from the inclined section, avoiding direct contact between the cleaning spoon and the inclined section, which would cause the impurities on it to detach and fall off. When the cleaning spoon is retrieved, it rotates towards the inclined section, causing the cleaning spoon to contact the inclined section and push the impurities adhering to the inclined section away, allowing them to fall into the cleaning spoon for collection, thus completing the impurity removal operation.

This invention belongs to the field of drying technology and discloses an aluminum foil baking oven with an adjustable exhaust structure, including an oven body with an exhaust hole. An adjusting component is provided on the exhaust hole. The adjusting component includes a shielding member, a driving assembly, and a cleaning assembly. The shielding member is located on the moving end of the driving assembly, in the opening area of ​​the exhaust hole. The driving assembly is configured to move the shielding member along a preset direction to adjust the effective opening of the exhaust hole. The cleaning assembly is located in the peripheral area of ​​the exhaust hole and maintains contact or proximity with the shielding member. This invention abandons traditional adjustment methods such as electric dampers and louvered valves that rely on rotating shafts or hinged joints, and instead adopts a closed-loop traction cable drive system made of high-temperature resistant metal ropes.

The utility model belongs to the carbon removal equipment technical field of cracking furnace, concretely relates to a carbon scraping head for cracking furnace, include: the cracking furnace body with the feed pipe in the top, be equipped with the liftable carbon scraping head body in the cracking furnace body, the carbon scraping head body is circular ring structure, just the carbon scraping head body is equipped with on the feed pipe, the outside of feed pipe bottom is equipped with the air -jet mechanism, the outside of air -jet mechanism is circular array distribution and has a plurality of air -jet position for air -jet, based on the air -jet makes the top of cracking furnace body form the insulating area that insulates to carbon scraping head body, the air -jet mechanism includes the air pipe and the ring pipe that communicates with air pipe, the utility model discloses through the air -jet mechanism of adding, can form insulating area below the carbon scraping head body through the air -jet mechanism, can avoid the carbon deposition that the equipment produced when using covers on the carbon scraping head body through the insulating area, improves the service life of carbon scraping head body.

This application relates to an electrostatic precipitator / bag filter composite dust collector for treating flue gas in steel plants, belonging to the field of environmental engineering technology. It includes a flue gas pretreatment unit, an electrostatic precipitator unit, and a bag filter unit arranged sequentially along the flue gas flow direction, and a control system connected to each unit for coordinated operation. The flue gas pretreatment unit is a temperature control module located upstream of the electrostatic precipitator unit, used to stably control the flue gas temperature before entering the electrostatic precipitator unit at 120–180°C. The electrostatic precipitator unit includes a high-frequency switching power supply and an electrode system made of stainless steel with an electrode spacing of 200–300 mm. The bag filter unit includes filter bags and a pulse cleaning device. The control system enables the units to operate collaboratively within the optimal operating range suitable for high-concentration, high-humidity, and high-temperature flue gas from steel plants. This application has the effect of improving dust removal capacity.