212 results about "Dust collection system" patented technology

The invention provides a centralized dust control method and system for a driving working face, and the method comprises the steps: collecting actual measurement environment parameters of the driving working face in real time through a sensor, and carrying out the preprocessing of the actual measurement environment parameters, and obtaining the preprocessed actual measurement environment parameters; acquiring a target environment parameter of the driving working face, and determining an absolute value of an environment parameter difference value according to the target environment parameter and the preprocessed actually measured environment parameter; according to the absolute value of the environmental parameter difference value, an execution mechanism adjustment instruction value is determined through a PID control algorithm; and controlling the driving working face centralized dust control system based on the execution mechanism adjustment instruction value. Wherein the executing mechanism adjusting instruction value comprises the angle variation of a guide vane in the negative-pressure air duct body, the opening size variation of an air distributor in the negative-pressure air duct body and the rotating speed of a fan. According to the technical scheme provided by the invention, the safety and the environmental protection property of the tunneling operation are improved.

The invention discloses a linkage system of a roadway air distribution device and a dust removal device and a control method, and belongs to the technical field of safety and environmental protection of mine / tunnel construction. The system comprises a long-pressure air control system, a short air draft dust collection system and an intelligent control module, the long-pressure air control system forms an airflow air wall through a long-distance air distribution device to restrain dust diffusion, the short-air-draft dust collection system captures dust through a short-distance dust collection cover, and the intelligent control module dynamically adjusts operation parameters of the long-pressure air control system and the short-air-draft dust collection system based on parameters such as dust concentration and air speed. The control method comprises the stages of dust suppression, capture, weak wind area removal and intelligent adjustment, and efficient dust removal is achieved through airflow collaborative optimization and a self-adaptive control algorithm. The dust collecting rate can be increased by 50% or above, energy is comprehensively saved by 20% or above, potential safety hazards in weak wind areas are eliminated, and the device is suitable for dust-producing scenes such as driving working faces and belt conveying roadways and has the advantages of being efficient, safe, capable of saving energy and wide in applicability.

The invention relates to a portable dust collector and a dust collection system. The portable dust collector comprises a dust collection cup device; the dust collection cup device comprises a cup body, a first dust collection cavity is formed in the cup body, a longitudinal center line extending in the longitudinal direction is limited by the cup body, and the cup body comprises a bottom; the filter screen is in a closed circular ring shape, the filter screen is located in the first dust collection cavity, the center line of the filter screen coincides with the longitudinal center line, and the filter screen limits one part of the boundary of the first dust collection cavity; the dust remover comprises a first scraping element which is tightly attached to the outer wall face of the filter screen, and the dust remover is configured to be capable of rotating around the longitudinal center line relative to the filter screen so as to wipe the outer wall face of the filter screen; and a rotation operation member disposed at the bottom and exposed; and the rotary operation component is configured to be in transmission arrangement with one of the filter screen and the ash remover. According to the scheme, the cleaning process of the filter screen is simplified, and the cleaning efficiency is improved.

The invention relates to the field of power battery manufacturing equipment, in particular to a combined roller conveying device and method. The device comprises a roller conveying assembly, a movable guardrail, a differential pressure self-adaptive floating brush carrier and a telescopic dust collection system. The system constructs a friction-current mapping model and a width-flow resistance compensation model, quantifies the dust density and guides the negative pressure setting of the dust collection negative pressure system; the core is that a pure physical feedback loop is formed by a pneumatic diaphragm capsule and a dust collection cavity, and when reverse differential sweeping is executed, according to negative pressure fluctuation caused by flow resistance change caused by dust accumulation, brush contact pressure is automatically adjusted so as to achieve endogenous self-stabilization balance; through pneumatic sealing locking and differentiated cleaning strategies, the problem of efficient dust removal of the surface of the roller under the widening scene is effectively solved.

A separator of the dust collection system comprises an inner cavity, a spiral air duct, a separation opening, an air inlet and an air outlet, the spiral air duct is arranged at one end of the inner cavity, the separation opening is arranged at the other end of the inner cavity, the starting end of the spiral air duct is communicated with the air inlet, the tail end of the spiral air duct is communicated with the inner cavity, and the air outlet is communicated with the inner cavity; the separator further comprises an acceleration guide surface; the acceleration guide surface can accelerate the flow speed of the spiral air flow; the dust suction port is connected with the air inlet; the dust collection box is connected with the separation port; and the negative pressure generator is connected with the air outlet. The spiral air duct of the separator can form spiral air flow, and the acceleration guide surface can accelerate the flow speed of the spiral air flow, so that the garbage obtains larger centrifugal force, the garbage is separated more quickly and fully, and the garbage separation effect is improved.

To efficiently collect fine particles included in a gas.SOLUTION: A dust collection system includes: a flow path route through which a gas flows; a droplet supply section for supplying droplets to the flow path route; an electrostatic agglomeration unit that is arranged in the flow path route downstream from the position at which droplets are supplied, forms an electric field in the flow path of the gas, electrostatically charges the droplets and fine particles included in the gas, and causes the fine particles and the droplets to collide (agglomerate); and a dust collection section that is arranged in the flow path route downstream from the electrostatic agglomeration unit and collects the droplets and fine particles.SELECTED DRAWING: Figure 1

This application provides a cleaning door for a dust collection duct in a guide trough, comprising a dust collection duct body. A fixing frame is fixedly installed on one side surface of the dust collection duct body, and the fixing frame is connected to the dust collection duct body. A cleaning door body is provided on the upper side of the fixing frame, and a connecting mechanism is provided between the cleaning door body and the fixing frame. This application, by setting up a cleaning door body and a connecting mechanism, allows the cleaning door body to be installed at key locations in the duct, such as tees, bends, and butterfly valves—areas prone to dust accumulation. This enables operators to regularly clean the inside of the duct, effectively preventing the accumulation of wet dust and powder, thereby ensuring unobstructed duct flow and the continuous, efficient operation of the dust collection system. The connecting mechanism securely connects the cleaning door body to the duct body. Flexible and reliable connection methods, such as hinges, are used, ensuring that the cleaning door can be easily opened when needed and tightly closed after cleaning to prevent dust leakage.

The utility model relates to gypsum dry grinder technical field, in general, relate to a dust collection formula gypsum dry grinder. The utility model provides such a dust collection formula gypsum dry grinder, including installation box, universal wheel, protective cover, protective rear shell, protective front shell and collection channel etc., the universal wheel is symmetrically installed to the left and right sides of installation box bottom, the protective cover is installed to installation box top rear side, the protective rear shell is fixedly connected to protective cover front end, the collection channel is connected and is communicated to have to installation box top front side, the collection channel top is connected and is communicated to have protective front shell. The utility model discloses by setting up the linkage dust collection system that is composed of fan blade, driving gear and driven gear, realizes the dust removal function of side polishing, and the dust produced in the polishing process is rapidly sucked into the collection channel, is concentrated in the collection frame after the filter screen filtration, effectively reduces the dust diffusion in the air, improves the working environment, and guarantees the health of operating personnel.

The utility model discloses a bonding device for lining paper production equipment, which comprises a base, and the top of the base is fixedly connected with a support frame. Through cooperation of the base, the supporting frame and the winding roller, the winding roller is convenient to replace, lining paper is convenient to wind, production efficiency is improved, dust and other impurities on the lining paper can be sucked away in time before the bonding process through a dust suction system composed of the portal frame, the dust collector, the flow divider, the dust suction head and the dust collection box, and the bonding quality of the lining paper is improved. According to the lining paper gluing device, impurities are prevented from affecting the gluing effect, the gluing quality is improved, then a bearing frame, a bearing plate, a lifting groove, a lead screw, a lifting block, a sliding block, a rotating shaft and a gluing roller are matched, the lead screw is driven by a lifting motor to enable the gluing roller to ascend and descend, and the lining paper gluing device can adapt to lining paper of different thicknesses; glue pumped out by the glue pump in the liquid storage tank can be uniformly coated on lining paper, and the bonding effect is ensured.

The application relates to an aluminum bar continuous casting equipment and a casting process thereof, and relates to the technical field of continuous casting equipment.The aluminum bar continuous casting equipment comprises a heating system, a dust collection system, a raw material input system, a rack, a forming system, a pouring system and a separation system, the heating system, the dust collection system and the raw material input system are installed on the rack, the conveying direction of the raw material input system is directed to the heating system, the pouring system is communicated with the heating system, the forming system comprises two rotary forming devices, a material passing channel is formed between the rotary forming devices, both ends of one of the rotary forming devices are provided with baffles, the separation system is arranged between the two rotary forming devices, the separation system comprises a separation rack and a plurality of separation plates, both ends of the separation rack abut against the baffles, the separation plates are slidably installed on the separation rack, the sliding direction of the separation plates is parallel to the rotary axis direction of the rotary forming devices, the separation plates are respectively attached to the rotary forming devices, and the separation plates are directed to the material passing channel, so that the size of the aluminum bar material can be conveniently adjusted.

The invention discloses a smoke dust collecting system of a coke receiving and quenching car, and belongs to the technical field of coke oven equipment, the collecting system comprises a platform trailer, a dust remover, a conveying pipeline, a movable platform and a dust collecting hood, the platform trailer is connected to the rear side of a tractor, the dust remover is installed on the platform trailer, and the conveying pipeline is connected with the movable platform. The movable platform is arranged above the coke receiving hopper and the pull rod, the dust collecting cover is mounted on the movable platform and moves on the movable platform, and the two ends of the conveying pipeline are communicated with the dust remover and the dust collecting cover respectively. Through the arrangement of the dust collection cover, dust can be adsorbed in the coke receiving and transporting process, the situation that dust escapes into air and pollutes the environment is avoided, through the arrangement of the movable platform, the dust collection cover has the capacity of moving on the horizontal plane, so that the dust collection cover can be close to a furnace opening, and the dust adsorption capacity of the dust collection cover is improved; meanwhile, when the coke receiving hopper is overturned, the dust collecting cover can be far away from the upper part of the coke receiving hopper, so that interference is avoided.

This invention relates to the field of flexographic printing plate-making technology, specifically to a printing plate engraving device and method. The device includes a base, a vacuum adsorption worktable, a gantry frame, an engraving head assembly, and an anti-clogging mechanism. When cleaning is required, the drive assembly rotates the limiting shaft, causing the threaded rod to extend or retract via threaded transmission. This pushes the mounting base and dust collection hood to reciprocate on the upper surface of the vacuum adsorption worktable, simultaneously pushing the mounting arm to reciprocate along a translational track. This activates the external negative pressure dust collection system, allowing the dust collection hood to thoroughly suction the upper surface of the vacuum adsorption worktable, sucking in and collecting resin debris clogged in the adsorption holes and scattered on the surface. This technical solution actively removes debris from the vacuum adsorption worktable, restoring the adsorption holes to unobstructed flow, thereby maintaining a uniform distribution of adsorption force, preventing localized warping of the plate, and ensuring consistent micro-dot engraving depth.

The invention relates to the technical field of laser cutting, in particular to an intelligent laser cutting device and method for sunshade sheet metal production, which comprises a machine tool and a machine head for laser cutting of sheet metal, and further comprises a dynamic support system comprising a plurality of transverse seats arranged in the machine tool, a plurality of transverse seats are arranged on the machine tool, supporting heads capable of supporting a metal plate are arranged at the tops of the transverse seats, fine adjustment assemblies for adjusting the heights of the supporting heads are arranged at the bottoms of the supporting heads, the tracking dust collection system comprises an air extracting pump arranged at one end of the machine tool, and air extracting through grooves communicating with the air extracting pump are formed in the transverse seats; the cooling and heat suppression system comprises a gas transmission shell arranged on the outer surface of the supporting head, the top of the gas transmission shell communicates with a plurality of cooling nozzles, an exhaust assembly in linkage operation with the dust collection assembly is arranged in the gas transmission shell, and the cooling nozzles communicate with the exhaust assembly. The exhaust assembly can exhaust gas through the cooling nozzle.

According to the negative-pressure porous dust collector for the dust collection hopper bin, a negative-pressure dust collection pipe with negative-pressure dust collection holes is additionally arranged in the dust collection hopper bin, dust collected in the dust collection hopper bin enters the negative-pressure dust collection pipe through the negative-pressure dust collection holes, and finally is recycled to a dust collection system through a negative-pressure dust collection header pipe. The head end part of the negative-pressure dust collecting pipe is inserted into the bottom plate of the adjacent dust collecting hopper bin, so that the material dust recycling efficiency of the middle part and the tail end of the dust collecting hopper bin is improved by multiple times, and the problem that the material dust outside 100mm and the material dust at the tail end need to be pushed to be within 100mm by virtue of external force, and the dust collection and recycling energy is poor is effectively solved; and the material dust of the negative pressure dust collection funnel can be completely recovered without depending on external force, so that the problems of environmental pollution and the like caused by the dust are solved, and the practicability of the negative pressure dust collection funnel is greatly improved.

The invention belongs to the field of PCB (printed circuit board) production, and particularly relates to a production method for preventing waste blockage in PCB forming routing, which comprises the following steps of: S1, performing positioning drilling on a PCB to drill a positioning hole; s2, the PCB is placed on a machine table, the PCB is positioned according to the positioning holes and fixed in a vacuum adsorption mode, and it is ensured that the board surface is flat and free of warping; s3, according to the specific graphic design of the PCB, a forming routing path is planned, and a waste crushing path is designed; s4, the forming routing equipment is started, according to the routing process, an end mill conducts contour cutting according to the preset path, and meanwhile the end mill crushes the waste along the waste crushing path; and S5, in the cutting process, a machine table dust collection system operates synchronously, a waste crushing path is designed before board milling, during board milling, an end mill conducts contour cutting according to a preset path, meanwhile, the end mill crushes waste along the waste crushing path, waste powder is crushed into small-particle waste, and therefore follow-up waste blockage and dust collection can be prevented.

This invention relates to the field of piston deburring machine technology, and discloses a multi-dimensional adaptive deburring system for steering pistons, comprising: a machine bed, which serves as a basic component for mounting, supporting, and positioning other structures; a grinding system, consisting of a polishing assembly and a workpiece rotation assembly, for multi-dimensional polishing of the piston; a positioning system, located on top of the machine bed, for precisely controlling the relative position of the workpiece during grinding; a clamping system, located on one side of the positioning system, for stably clamping the workpiece; a dust collection system, located inside the machine bed, for collecting grinding dust to maintain a clean working environment; and a lighting system, located in the working area of ​​the machine bed, for providing illumination for easy operation and observation. After using this machine, the daily output increases to 2800 pieces, production capacity increases by 75%, annual output value increases by 40 million yuan, and annual labor costs decrease by approximately 1.5 million yuan; it also improves product quality, increases production capacity, and reduces production costs.

The utility model discloses packaging equipment for harp soundboards, which comprises a support frame, the upper surface of the support frame is connected with a support frame, the upper surface of the support frame is connected with a dust collecting box, the upper surface of the dust collecting box is connected with a fan, the upper surface of the fan is connected with a first motor, and the back of the support frame is connected with a second motor. The inner wall of the supporting frame is connected with a threaded rod, the second motor penetrates through the outer wall of the supporting frame and is fixedly connected with one end of the threaded rod, the outer surface of the threaded rod is in threaded connection with a sliding block, the bottom face of the sliding block is connected with a dust suction block, and the bottom face of the dust collection box communicates with a dust suction pipe. By arranging the dust collection system driven by the motor, impurities and dust on the soundboard and the conveying belt can be efficiently cleaned, the packaging environment is kept clean, the motor is used for driving the threaded rod to achieve parallel sliding of the dust collection block, the parallel sliding design of the dust collection block ensures that the cleaning process is uniform, the soundboard cannot be damaged, and the production efficiency is improved. And each part of the conveying belt can also be covered.

The utility model discloses a multifunctional handheld acarus killing instrument which comprises a main body structure and a dust collection box detachably arranged on the main body structure, and the main body structure is provided with a beating rod, an ultraviolet disinfection lamp, a hot air module and an acarus killing liquid spraying module; a protection structure is arranged outside the flapping rod, the protection structure comprises a first protection plate and a second protection plate, the first protection plate and the second protection plate are both rotationally connected with the main body structure, and the first protection plate and the second protection plate are fixed to each other; the hot air module is provided with two sets of air outlets, and the acarus killing liquid spraying module is located between the two sets of air outlets. According to the scheme, most pollutants can be removed by arranging the flapping rod and cooperating with the dust collection system, sterilization and disinfection are achieved by arranging the ultraviolet disinfection lamp, the hot air module and the acarus killing liquid spraying module, meanwhile, the acarus killing and allergen removing effect can be improved, and deep cleaning is achieved.

This invention discloses a rapid switching operation method for bulk carriers between tank loading and open-top delivery modes, belonging to the field of logistics and transportation technology. The method includes determining the target delivery mode based on the type of vessel to be loaded; and adjusting the dust collection device according to the target delivery mode. By clarifying the complete process of pre-operation preparation, dust collection system switching, disassembly and assembly of the conical bulk loading head, equipment adaptation adjustment, and operation monitoring, this invention standardizes the operational standards of each step, optimizes the adaptation logic between the dust collection system and the delivery mode, and strengthens safety control and equipment monitoring during the operation process. This achieves rapid, safe, and efficient switching between the two delivery modes. It effectively solves various pain points existing in traditional switching methods, reduces manual labor intensity, improves the targeting and effectiveness of dust control, ensures the safety of operators and the stability of equipment operation, significantly improves the adaptability and overall efficiency of bulk cargo delivery, and meets the rapid delivery needs of different vessel types.

The film laminating equipment comprises two bases which are symmetrically arranged front and back, a horizontally-arranged conveyor is rotationally connected between the sides, close to each other, of the two bases, a fixing base is fixedly connected to the left side of the top of each base, and sliding grooves are formed in the front side and the rear side of each fixing base; a first mounting block and a second mounting block are connected to the inner walls of the front sliding groove and the rear sliding groove in an up-down sliding mode, a flattening roller perpendicular to the top of the conveyor is rotationally connected between the sides, close to each other, of the first mounting block and the second mounting block, and a controller is fixedly connected to one side, on the front side, of the base. The equipment has the advantage that a cleaning mechanism is automatically and flexibly adjusted, by integrating efficient cleaning, dust suction and dust collection systems, the product quality is improved, the sanitary condition of the working environment is remarkably improved, and the equipment is very suitable for meeting the production requirement of light-weight corrugated cartons.

The invention relates to a dust filtering method of a bag type vacuum filtering dust removal system, which comprises the following steps: emitting laser or infrared light to a dust removal cloth bag, synchronously detecting the light intensity after penetrating through the cloth bag and the light intensity before penetrating through the cloth bag, and calculating the dust content of the dust removal cloth bag according to the attenuation of the light intensity after the laser or infrared light penetrates through the cloth bag. Calculating the thickness of the outer ash layer of the cloth bag based on the Lambert-Beer law, collecting the thickness data of the outer ash layer of the cloth bag at a plurality of time points in the initial stage, and constructing a model for predicting the time required for the ash layer to reach the preset threshold thickness according to the thickness data of the outer ash layer of the cloth bag. According to the dust filtering method of the bag type vacuum filtering dust removal system, by calculating the time when the dust layer reaches the preset threshold value and setting the backwashing interval, mechanical damage of high-frequency blowing to the cloth bag is avoided, the service life of the cloth bag is prolonged, it can be ensured that the dust layer does not exceed the critical thickness influencing the filtering efficiency when backwashing is triggered, and the filtering efficiency is improved. The dust removal efficiency of the system is stable.

The present application relates to rotary furnace technical field, and discloses a kind of rotary furnace containing metallurgical dust collection system, including rotary furnace body and the recovery part for collecting metallurgical dust, the rotary furnace body is connected with recovery part by the conveying pipe group being arranged in its discharge port, the recovery part includes rack, the rack is fixedly connected with separation cylinder in, the separation cylinder bottom is equipped with hopper;Wherein, separation cylinder is equipped with processing piece for breaking up large particle size agglomerate in, the processing piece includes support frame fixedly connected in separation cylinder bottom, and ring plate is rotatably connected in the support frame.The rotary furnace containing metallurgical dust collection system, can effectively solve the problem in prior art, rotary furnace is discharged dust is often mixed with a certain amount of large particle size agglomerate, this kind of large particle size agglomerate is because particle size is relatively large, settling velocity is fast, easy to form accumulation at separation cylinder dust outlet key flow passage, cause separation cylinder blockage, need to stop machine and implement artificial unblocking.

The utility model relates to an accumulated water eliminating anti-corrosion device at the top of a dust collection bin of a dust removal system and relates to the technical field of dust removal devices. The dust collecting device comprises a dust collecting bin, a hole is formed in the top wall of the dust collecting bin, a flow guide system is arranged on the top wall of the dust collecting bin and comprises a rainwater collecting hopper and a flow guide pipe, the inner wall of the rainwater collecting hopper inclines towards the center, the diameters of the two ends of the rainwater collecting hopper are phi 120 and phi 70 respectively, one end of the flow guide pipe is communicated with the rainwater collecting hopper, and the other end of the flow guide pipe is communicated with the dust collecting bin. And the other end of the flow guide pipe extends out of the side wall of the centralized ash bin, and the size of the flow guide pipe is DN60. The device has the effects of removing accumulated water on the top of the centralized ash bin, preventing corrosion and guaranteeing the service life of the centralized ash bin.

The invention relates to the technical field of alternative fuel flying dust disposal, and discloses an alternative fuel dust collection system which comprises an air suction cover, the air suction cover is arranged above an equipment flying dust point in a covering mode, and a filtering assembly is arranged in the air suction cover in the airflow direction and used for adsorbing and filtering fiber dust; the air inlet end of the dust collector is connected with the air outlet of the air suction cover, and a first-stage filtering chamber and a second-stage filtering chamber which are transversely arranged side by side and are communicated with each other are arranged in the dust collector; and the exhaust fan is connected with the outlet end of the dust collector and is used for driving the dust-containing airflow to be discharged from the outlet end of the dust collector after being filtered by the air suction cover and the dust collector in sequence. The alternative fuel dust collection system can effectively filter sheet-shaped and strip-shaped large-particle dust and flying catkins at an alternative fuel dust raising point, and the operation load of downstream dust collection equipment is effectively reduced.

The invention relates to a recovery system for a dust remover and a dust removal system.The recovery system for the dust remover comprises a first spiral conveying device, the first spiral conveying device is horizontally or basically horizontally arranged, and the first spiral conveying device comprises a first shell and a first spiral conveyor arranged in the first shell; the first shell is provided with a feeding port communicated with an outlet of the dust remover and a discharging port for discharging materials, and the first spiral conveyor is used for conveying the materials to the discharging port; and the second spiral conveying device gradually inclines upwards in the conveying direction of the materials of the second spiral conveying device, the second spiral conveying device comprises a second shell and a second spiral conveyor arranged in the second shell, and the second shell is provided with a feeding port communicated with the discharging port and a discharging port used for being communicated with a recycling device. In the whole material collecting process, manual carrying to the needed position is not needed, and time and labor are saved.

The invention discloses a communication equipment fault detection device, and belongs to the technical field of communication equipment maintenance. Comprising an operation platform, side plates are fixedly connected to the left side and the right side of the operation platform, a movable disc is rotationally connected to the center of the upper surface of the operation platform through a rotating shaft, and a placement platform is fixedly connected to the upper surface of the movable disc; a complete dust collection system is formed by the centrifugal fan assembly, the communicating hose, the dust collection hose, the dust collection opening and the collection drawer, dust, metal chippings and other impurities generated in the overhauling process can be adsorbed in real time through the dust collection opening, and the impurities are conveyed through a pipeline and then collected in the collection drawer in a centralized mode; the problem of operation platform mess caused by impurity scattering is avoided from the source; and meanwhile, the dust collection opening can achieve front-back and transverse two-way movement adjustment through the first guide rod and the second guide rod, the flexibility and the automatic winding function of the dust collection hose are combined, and the dust collection coverage range is greatly expanded.

The present disclosure provides a self-cleaning dust collecting sheet and dust collection system, the self-cleaning dust collecting sheet including a self-cleaning dust collecting sheet body (2000), the self-cleaning dust collecting sheet body (2000) including a water storage chamber (2700) provided at a top of the self-cleaning dust collecting sheet body (2000) and configured to accommodate a water storage tank, a dust collection chamber (2100) provided at the top end of the self-cleaning dust collecting sheet body (2000) alongside the water storage chamber (2700) and configured to accommodate a dust collection cover, and an air duct (2500) provided from bottom to top along the self-cleaning dust collecting sheet body (2000) and communicating the dust collection chamber with a dust collection port of a base (6000) of the self-cleaning dust collecting sheet body. The self-cleaning dust collecting sheet of the present disclosure can achieve the technical effect of being able to dispose of dust in one go after multiple cleanings by providing a dust collection chamber (2100) in the self-cleaning dust collecting sheet, eliminating the need to frequently clean the dust box on the cleaning robot, improving cleaning efficiency, and improving the user experience, such as ease of use.

This invention discloses a wide-narrow spacing wet electrostatic precipitator system, relating to the field of electrostatic precipitator technology; it includes a dust collection box, in which a multi-stage dust collection group is arranged sequentially along the flue gas flow direction. The multi-stage dust collection group consists of multiple first dust collection electrodes, a transition plate, and second dust collection electrodes. The spacing between the first dust collection electrodes is smaller than the spacing between the second dust collection electrodes. An adjustment component includes a frame located between two adjacent first dust collection electrodes. Two rotating shafts are rotatably connected within the frame. An adjustment plate is fixed on the rotating shaft. Multiple adjustment cylinders corresponding to the rotating shafts are slidably connected to the frame. A guide groove is provided at the end of the rotating shaft near the adjustment cylinder. A plug rod inserted into the guide groove is fixed inside the adjustment cylinder. A drive component includes a drive plate fixedly connected to the multiple adjustment cylinders. This invention can prevent dust accumulation in the wide-narrow transition zone.

Provided are a dust bag, a self-cleaning dust collection seat and a dust collection system, the dust bag (2120) being configured to be detachably mounted on a dust bag support (2110), and the dust bag (2120) including: a dust bag body (2121); a snap plate (2122) fixedly connected to the dust bag body (2121), the snap plate (2122) being provided with a snap plate opening (21221), and the snap plate opening (21221) serving as an inlet of the dust bag (2120); and a sliding plate (2123) slidably connected to the snap plate (2122) and configured to switch between a closed position and an open position, in response to the sliding plate (2123) being at the closed position, the sliding plate (2123) shielding the snap plate opening (21221), and in response to the sliding plate (2123) being at the open position, the sliding plate exposing the snap plate opening (21221).