983 results about "Electrostatic precipitator" patented technology

The invention relates to a coal-fired unit electrostatic dust collection energy-saving optimization method, system and equipment and a storage medium, and the method comprises the steps: obtaining historically collected system operation data of a coal-fired unit electrostatic dust collection system, and constructing an outlet NOx concentration prediction model and an outlet dust concentration dynamic model according to the system operation data; power optimization control strategies of high-voltage power supplies of all levels of electric fields in the dust removal system are obtained, a model is built based on the outlet NOx concentration prediction model, the outlet dust concentration dynamic model and the optimization control strategies, and an electrostatic dust removal energy-saving optimization model is obtained; acquiring a preset environment-friendly standard concentration, and analyzing the environment-friendly standard concentration through the electrostatic dust collection energy-saving optimization model to obtain an optimal dust collection parameter; and adjusting the current or voltage of each level of electric field in the dust removal system according to the optimal dust removal parameters. Through the constructed energy-saving optimization model, the electrostatic dust collection control system can reduce the dust emission concentration and meet the pollutant emission standard, and meanwhile, the energy consumption of the electric dust collector can be greatly reduced.

The invention discloses a back corona rapping electric dust remover fault early warning method based on all-condition monitoring, and relates to the technical field of fault early warning, and the method comprises the steps: obtaining a rapping signal, and extracting back corona features based on wavelet transform and spectral analysis; constructing a dynamic coupling model of rapping strength-dust layer thickness, and combining back corona characteristics to obtain working condition characteristic vectors; obtaining a working condition data set, and obtaining a health degree scoring sequence under each time window in combination with the working condition feature vectors; decomposing the health degree scoring sequence into a plurality of intrinsic mode components, identifying abnormal fluctuation features based on a Markov chain, and performing risk level judgment; through all-condition monitoring and multi-modal data fusion, a back corona feature extraction, dust layer thickness prediction and health degree scoring model is constructed, dynamic identification and risk early warning of the operation state of the electric dust remover are achieved, and the problems that a traditional method is single in monitoring dimension and lags in response are solved.

The present invention belongs to the technical field of ceramic waste gas treatment, and in particular, relates to a ceramic waste gas desulfurization and dust removal device, including a desulfurization tower, a wet electrostatic precipitator mechanism and a PLC controller. The desulfurization tower and the wet electrostatic precipitator mechanism are connected through a flue gas conveying channel, and the lower end of the desulfurization tower is fixedly connected to an inlet flue. The present invention adopts a one-stop purification equipment, which occupies a small area and can achieve a good treatment effect on multiple pollution factors such as particulate matter, sulfur dioxide, nitrogen oxides, etc. in the flue gas at one time. The desulfurization process technology is mature, and the desulfurization efficiency is greater than 99%, which can meet the flue gas treatment needs of various capacities. The wet electrostatic precipitator has high efficiency, and uses water spraying to clean the dust on the electrode surface. There is no secondary dust generation, which can ensure that the dust emission concentration at the outlet of the dust collector is ≤5mg / Nm 3 It can better adapt to the current environmental protection management status of the building ceramics industry, has good market promotion value, and has significant environmental and resource benefits.

The embodiment of the invention provides an electrostatic precipitator polar plate system ash removal device and a control method thereof, and belongs to the technical field of electrostatic precipitation. The device comprises: a main frame for mounting each working module; the ash removal module comprises a polar plate rolling brush device and a polar line straight brush device; wherein the polar plate rolling brush device is mounted at the front end of the main frame and used for cleaning the surface of an anode plate in an electric precipitator polar plate system; the polar line straight brushing device is installed at the rear end of the upper surface of the main frame and used for cleaning the cathode line surface in the electric precipitator polar plate system. The adsorption walking modules are mounted at four corners of the main frame and are used for adsorbing the device on the surface of the anode plate through magnetic attraction force and driving the device to move; and the thickness measuring device is mounted at the tail end of the main frame and used for detecting the thickness of residual dust on the surface of the anode plate to judge whether reinforced cleaning is needed. According to the scheme, automatic dust removal of the electric dust remover polar plate system is achieved, the manual intervention frequency is effectively reduced, and the dust removal effect and operation safety are improved.

The invention relates to the technical field of boiler tail gas treatment, in particular to a boiler tail gas multi-pollutant cooperative control system based on linkage of a PLC and a frequency converter. The system comprises a data acquisition module, a PLC control module and a collaborative optimization module. Concentration data of pollutants in boiler tail gas are collected in real time through the data collection module, the boiler tail gas is introduced into the desulfurization and denitrification tower through the inlet induced draft fan, the PLC control module sets driving rules of the inlet induced draft fan through a logic controller of a PLC, the operation frequency of the inlet induced draft fan is dynamically adjusted according to the content of the pollutants in the boiler tail gas, and the desulfurization and denitrification effect of the boiler tail gas is improved. And the collaborative optimization module returns the tail gas which does not reach the standard to a boiler for secondary desulfurization and denitrification, the tail gas which reaches the standard is introduced into a dust removal tower through an outlet induced draft fan, the electric dust removal voltage is adjusted according to the content of ammonia gas in the tail gas, and linkage control over desulfurization, denitrification and dust removal is achieved by taking the minimum operation cost as the target and adopting a genetic algorithm.

The invention provides an adjustable wet-type electric dust remover for a thermal power plant. The adjustable wet-type electric dust remover comprises a dust removal box and a water pump, a shell is mounted at the top of the dust removal box, and a water pipe is connected to the middle of the shell in a penetrating manner; the end, away from the water pump, of the water pipe is connected with a rotating movable joint, the bottom of the rotating movable joint is connected with a connecting pipe, an output shaft is installed at the bottom of the connecting pipe, the bottom of the output shaft is connected with a driving motor through a coupler, and rotating frames are installed on the periphery of the connecting pipe; the bottom of the rotating frame is connected with an atomizing nozzle through a rotating shaft, the end, away from the atomizing nozzle, of a connecting rod is connected with a movable disc through a rotating shaft, the top of the movable disc is connected with a guide rod penetrating through the rotating frame, the outer side of the guide rod is sleeved with a sleeve, and a sliding rod is connected between the sleeve and a sliding groove of the shell. And a roller is mounted at the top of the connecting ring. The dust removal device has the technical effect that sprayed water mist can be more uniformly mixed with flue gas, so that the dust removal effect is improved.

Various implementations, systems and methods are disclosed for continuous, near real-time, hands-off sampling of airborne particulate matter, and qualification and / or quantification of biomolecules in the sample representative for biologic or microbial contamination. The systems and methods may utilize an electrostatic precipitator for sampling the matter; and a measurement assembly configured to illuminate, excite, or breakdown the sampled matter by electromagnetic radiation, and to detect a spectrum, or one or more wavelength bands of the scatter emitted by the sample. In an exemplary implementation, a sputter deposition process is employed to configure the sample for an enhanced plasmon resonance. The measurement data may be transferred via wireless communication means for cloud storage and signal processing.

The invention relates to the technical field of waste gas treatment, and discloses a dust removal desulfurization tower which comprises a desulfurization tower body, a flue gas input port and a flue gas output port are formed in one side and the top of the bottom of the desulfurization tower body correspondingly, and a pumping device and a liquid medicine box are arranged on the other side of the bottom of the desulfurization tower body; the pump conveying device can convey purified liquid medicine in the liquid medicine box into the desulfurizing tower body, a first annular sleeve frame, a power output device and an auxiliary annular plate are arranged in the desulfurizing tower body in a sleeved mode, and a supporting rod is installed between the top of the power output device and the bottom of the first annular sleeve frame. The dust removal and desulfurization tower is matched with an SNCR-SCR combined denitration device, an electrostatic dust collector, an activated carbon adsorption device, a bag-type dust collector, a wet electrostatic dust collector and other devices to form a multi-treatment device for flue gas treatment, compounds and dust in flue gas can be subjected to inlet and outlet multi-purification treatment in the subsequent use process, and then the excellent environment-friendly treatment effect is achieved.

The invention discloses an anode module and a wet-process electric dust remover thereof, relates to the technical field of electric dust removers, and solves the technical problems that in the prior art, the anode module is difficult to comprehensively and effectively clean in a water spraying mode, and the cleaning effect is influenced. Comprising a plurality of first anode tube groups and second anode tube groups which are alternately arranged, each first anode tube group is formed by sequentially welding a plurality of first anode tubes, each second anode tube group is formed by sequentially welding a plurality of second anode tubes, and each second anode tube is welded with the adjacent first anode tube; the first anode tubes and the second anode tubes are the same in structure, the sections of the first anode tubes and the second anode tubes are both of a honeycomb structure, and an upper stabilizing plate and a lower stabilizing plate are jointly welded to the outer tube walls, close to the two ends, of the first anode tubes and the second anode tubes. The surface area of the anode module is effectively increased, the dust removal efficiency of the anode module is improved, and the inner pipe wall of the anode module can be conveniently and comprehensively scraped and sprayed, so that the cleaning effect of the anode module is greatly improved.

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

The invention relates to the technical field of intelligent control, fault diagnosis, regulation and control of electrostatic dust collectors, in particular to a cathode and anode rapping concentricity compensation control method and system.The method comprises the following steps that after a central intelligent control system monitors that the concentricity of a cathode and an anode is abnormal, a preset diagnostic micro-intervention sequence is started; the diagnostic micro-intervention sequence comprises at least one low-risk detection operation aiming at a pre-judged potential fault cause; monitoring a dynamic response feature to the low-risk detective operation characterized by multi-source sensor data during execution of the diagnostic micro-intervention sequence; according to the method, the obtained dynamic response features are matched with the preset fault mode-response feature association information, the confidence coefficient of each potential fault reason is evaluated, and finally, the hierarchical regulation and control decision is executed based on the confidence coefficient and the abnormality severity, so that the problems of fuzzy diagnosis and high misjudgment risk caused by interleaving of multiple fault reasons are solved.

The utility model relates to a tail gas self-circulation white feather eliminating device, which solves the problems of poor white feather eliminating effect and high cost of the existing industrial tail gas. Comprising a quench tower, an absorption tower, a gas-gas heat exchanger, an electric precipitator and a tail gas suction fan, during use, dry high-temperature tail gas enters a heat exchange pipe in the gas-gas heat exchanger for indirect heat exchange, and the tail gas subjected to heat exchange enters the quench tower and is in countercurrent contact with quench water from the quench tower; the washed and condensed tail gas is discharged to the lower part of the absorption tower from the top of the quench tower under the action of the circulating fan, and the dried tail gas enters the electrostatic dust collector to be purified after being absorbed and filtered by the absorption filtering device from the absorption circulating pump, and then enters the shell of the gas-gas heat exchanger to be subjected to indirect heat exchange; the purified tail gas is heated by the unpurified tail gas and then is discharged into the environment, namely the tail gas is heated to an unsaturated state by the heat of the tail gas, so that the aim of eliminating white feather of the tail gas is fulfilled, and the production cost is low.

The present invention discloses an electrostatic precipitation cathode system capable of collecting positively charged dust, which includes RS small barbed wires, dust collection cathode wires, and a cathode rapping device. The RS small barbed wires are distributed in all electric fields of the electrostatic precipitator and have barbs capable of tip discharge when the high-voltage power supply is energized. The dust collection cathode wires are only distributed in 1 to 3 electric fields near the air outlet of the electrostatic precipitator and can adsorb positively charged dust particles by using a negatively charged dust suction structure when the high-voltage power supply is energized. The cathode rapping device can regularly rap the dust collection cathode wires to remove positively charged dust particles, thereby effectively improving the electrostatic precipitation efficiency.

The utility model relates to the technical field of sound wave dust removal, and discloses a sound wave soot blower for an electrostatic precipitator, the electrostatic precipitator comprises a dust removal chamber, a plurality of stages of electric fields connected in series are arranged in the dust removal chamber, the sound wave soot blower comprises a compressed gas source, a resonant cavity high-sound-intensity sound wave generator, a sound wave sound transmission horn and an adjustable valve, the top of each electric field is provided with a plurality of resonant cavity high-sound-intensity sound wave generators, each resonant cavity high-sound-intensity sound wave generator is connected with the compressed gas source through a gas pipeline, and the adjustable valve is connected to the input end of the resonant cavity high-sound-intensity sound wave generator. The sound wave transmission horn is connected to the output end of the resonant cavity high-sound-intensity sound wave generator; according to the resonant cavity high-sound-intensity sound wave generator, the sound wave intensity and starting and stopping of the resonant cavity high-sound-intensity sound wave generator can be achieved by adjusting the opening degree and opening and closing of the valve, then the sound wave intensity of different electric fields can be adjusted and controlled, and the flexibility is high.

The present invention discloses a multi-signal optimization energy-saving electrostatic precipitator control method, which relates to the field of energy-saving and environmental protection technology. The present invention includes an electrostatic precipitator control system, and the electrostatic precipitator control system includes an optimization algorithm system based on the electrostatic precipitator control system, and the optimization algorithm system includes a signal acquisition device, a data storage module, and a logic analysis module. The present invention obtains the electrostatic precipitator dust removal efficiency of known airflow parameters and dust radius under different limit line plate spacings by combining and analyzing the unit load, the dust concentration at the powder outlet, and the coal quality parameters, and brings in the voltage and current when the signal peak occurs, and obtains the energy consumption change of the system before and after, which is the optimization strategy of the energy-saving model, and minimizes the power consumption of the system operation.

The invention relates to an electrostatic dust collection control method and device, a medium, electronic equipment and a program product, and relates to the field of electrostatic dust collection, the method comprises the steps that real-time data in the electrostatic dust collection process are obtained, the real-time data comprise real-time environment information and operation parameters of an electrostatic dust collector, and the real-time environment information of the electrostatic dust collector is obtained based on the real-time data; operation of the electrostatic dust collector is controlled through various controllers, and the controllers comprise at least one of a fuzzy controller, a neural network controller and a robust controller. According to the technical scheme, based on the real-time data in the electrostatic dust collection process, the fuzzy controller is used for automatically controlling the operation of the electrostatic dust collector, the neural network is used for optimizing the control process, the robust controller is used for reducing the influence of external interference, the control precision of electrostatic dust collection can be improved, and therefore the dust collection efficiency and accuracy are improved; the labor cost is reduced.

The invention discloses a flow-equalizing air inlet device and an air inlet control method.The flow-equalizing air inlet device comprises a box shell, a flow homogenizer and a fluid director, the flow homogenizer is connected to the middle of the inner side of the box shell in a sleeving mode, the fluid director is movably installed on the outer surface of one end of the box shell, and an air inlet pipe is movably installed on the outer surface of the other end of the box shell; and a cleaning frame is fixedly mounted on the outer surface of the upper end of the box body shell and located on the outer side of the flow homogenizer. The flow homogenizer comprises a ventilation box and a plurality of sets of movable barrier strips, a plurality of sets of strip-shaped notches are formed in one end of the ventilation box, the movable barrier strips are movably installed in the ventilation box, and the upper ends of the movable barrier strips are connected and fixed through a sliding clamping base; a perforated plate is spliced and mounted on one side of the movable barrier strip in the ventilation box; the flow uniformizing device is provided with an adjustable flow uniformizing structure, can perform synchronous cleaning operation, and can be better suitable for flow uniformizing treatment of moisture-containing gas.

The utility model belongs to the technical field of fresh air purification, and particularly relates to an operating room fresh air purification device which comprises an air inlet pipe and an air inlet, the air inlet is fixedly connected to the center of the left side of the air inlet pipe, and a purification device is arranged in the air inlet pipe. According to the fresh air purification device for the operating room, large-particle dust impurities in fresh air are intercepted and filtered through a dustproof net, after the dustproof net is used for a long time, a rotating motor is started to drive a rotating shaft and an arc-shaped plate at the bottom of the rotating shaft to rotate and impact the dustproof net, and therefore the dustproof net is driven to shake left and right on a vibration spring; and fine dust in the air is further intercepted through the electrostatic dust collection plate, and after the electrostatic dust collection plate is used for a long time, a vibration motor is started to drive the electrostatic dust collection plate to vibrate up and down under pulling of an extension spring, so that the dust collection effect is improved, and the dust collection efficiency is improved. Therefore, dust adhered to the surface of the electrostatic dust collection plate is shaken off.

The present invention discloses a mechanical-pneumatic double-vibration electrostatic precipitator, comprising a cathode system, an anode system, a high-voltage power supply, a shell, a mechanical vibrating device and a pneumatic vibrating device. The cathode system and the anode system are respectively distributed in the shell. When the high-voltage power supply is energized, on the one hand, the cathode system and the anode system can cooperate to form an electric field, and on the other hand, the cathode system can be used to ionize the air. The cathode system and the anode system can be mechanically vibrated and cleaned by a mechanical vibrating device arranged on one side. The pneumatic vibrating device can pneumatically vibrate and clean the cathode system and the anode system on the side facing away from the mechanical vibrating device. The dust removal effect is good, the space occupancy is low, and the service life is long.

The invention provides an ultra-clean converter one-time dry dust removal method which comprises the following steps: S1, constructing an ultra-clean converter one-time dry dust removal system which comprises a high-effect heat exchanger, a banana bend separator, a rotational flow heat recovery device, a water-cooling chain conveyor, an electrostatic dust collector, a high-temperature-resistant explosion-proof ultra-clean dust collector, a cooling replacement fan, a coal gas axial flow fan and a coal gas washing dehydrator; s2, purification; S3, recovery: passing the qualified coal gas through a recovery cup valve and then conveying the qualified coal gas to a coal gas cabinet; and S4, unqualified coal gas passes through a diffusion cup valve and then is sent to a diffusion chimney for ignition and diffusion. A converter gas waste heat recovery process is adopted, and meanwhile, an ultra-clean dust remover process is adopted, so that the concentration of an outlet of a dust remover can be stably maintained below 5mg / Nm < 3 >.

The invention relates to the technical field of electrostatic dust collection and discloses an accurate frequency adjustment method for an intelligent frequency modulation high-voltage power supply of an electrostatic dust collector. The method comprises the steps of collecting voltage signals with frequency fluctuation in operation of a high-voltage power supply to form a voltage sequence; dividing period segments by using wave crest distribution in the voltage sequence, and clustering to obtain adjustment subsequences; obtaining a trend fluctuation index based on local signal change trend fluctuation and signal differences of the adjustment subsequences, and obtaining an amplitude drop difference and an amplitude interval difference according to an amplitude change trend difference and an amplitude bit sequence change trend difference; obtaining a period stability coefficient by combining the difference, the average condition of the trend fluctuation index and the average condition of the sub-sequence similarity; constructing a Hankel matrix and performing singular value decomposition, and obtaining a main component proportion and a difference index based on a singular value condition; and according to the Hankel matrix line data correlation, the period stability coefficient, the main component proportion and the difference index, obtaining a signal stability index, and according to the signal stability index, accurately adjusting the high-voltage power supply frequency.

The utility model provides an anti-blocking device for an ash bucket of an electric dust remover, which relates to the technical field of electric dust removers and comprises an ash bucket body and a motor, the ash bucket body is conical, the motor is arranged outside the ash bucket body, and the output end of the motor is fixedly provided with a rotating shaft. And the outer surface of the rotating shaft slidably penetrates through the outer surface of the ash bucket body and extends into the ash bucket body, a gear is fixedly installed on the outer surface of the rotating shaft, and a fixing ring is fixedly installed at the position, close to the top, of the inner wall of the ash bucket body. According to the dust hopper, the motor is started to drive the rotating shaft to rotate, the scraping plate rotates under the mutual cooperation of the gear and the face gear ring, and the surface of the scraping plate is attached to the inner wall of the dust hopper body and the inner wall of the discharging pipe at the same time; therefore, dust or cakes attached to the inner wall of the ash bucket body and the inner wall of the discharging pipe can be scraped or smashed, the phenomenon that dust is attached to the inner wall of the ash bucket for a long time to generate cakes is avoided, and the ash discharging effect of the ash bucket body is improved.

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 dust collectors, and particularly discloses a comprehensive and efficient cleaning electrostatic dust collector which comprises a dust removal box body and a dust collecting hopper which are arranged in communication with each other, a plurality of anode plates are arranged in the dust removal box body, an electrode rod is arranged between two adjacent anode plates, an anode plate cleaning mechanism which moves up and down is arranged in the dust removal box body, the anode plate cleaning mechanism comprises a lifting frame and a lifting driving assembly, a hollow strip plate which is located directly below the gap between the two adjacent anode plates is arranged in the lifting frame, a row of impact strips are arranged in the hollow strip plate, a turntable protection shell which is used for extending into the other end of the anode plate is arranged on the hollow strip plate, a turntable is arranged in the turntable protection shell, and a guide groove which is used for being matched with the end guiding column of the impact strip is arranged on the turntable. The electrostatic dust collector disclosed by the application can cover the whole anode plate through the impact and vibration, the dust attached to the surface of the whole anode plate can be shaken off, and the dust removal effect of the electrostatic dust collector during long-term use is effectively ensured.

The invention belongs to the technical field of flue gas treatment, and particularly relates to a flue gas synchronous rotating electric field electrostatic precipitator which comprises a shell, a bottom plate with a notch is arranged on the bottom surface of the shell, an insulator chamber is arranged at the top of the shell, a rotating electric field is arranged in the shell, and the shell is mainly composed of a discharge electrode wire, a dust collection electrode plate and a rotating device. A rotation executing mechanism of the rotating device drives the rotating seat to rotate through a transmission shaft; the interior of the shell is divided into a plurality of independent closed small compartment electric fields, and a discharge electrode wire is arranged in the center of each small compartment electric field and connected with a power supply system. A plurality of small compartment electric fields are arranged in a shell, each small compartment electric field is provided with a discharge electrode wire and a dust collection electrode plate, and a rotating device is arranged to drive the small compartment electric fields to rotate; when the electric fields of all the small compartments are located at different positions in the rotating process, different effects are achieved, and electrostatic adsorption dust removal can be achieved in the relatively static environment; and in a relatively static environment, the power is cut off and the dust is removed by rapping.

The invention discloses a method and system for controlling PM emission concentration of a coal-fired unit, and belongs to the technical field of coal-fired power generation. According to the method for controlling the PM emission concentration of the coal-fired unit, the inlet PM concentration, the slurry circulation flow and the inlet flue gas flow velocity of a wet flue gas desulfurization system, the flue gas temperature and the flow velocity of an outlet of a low-temperature economizer and the real-time load of the coal-fired unit are comprehensively considered, and an accurate feed-forward instruction is generated; according to the method, a feedforward instruction and a main instruction calculated by a PID (Proportion Integration Differentiation) control algorithm are combined to dynamically and accurately adjust the dust removal voltage of the electric dust removal system, so that the PM emission concentration of a coal-fired unit is effectively controlled, and the coal-fired unit can keep stable emission performance even in a frequent load change or low load operation state.

The utility model provides a cigarette case plastic packaging film drying device and belongs to the technical field of drying equipment, the cigarette case plastic packaging film drying device comprises a transmission table and a drying box, the inlet end of the drying box is provided with a dust removal cavity, the dust removal cavity is internally provided with an electrostatic dust removal assembly, the electrostatic dust removal assembly comprises an electrostatic brush and a cleaning roller, and the cleaning roller is arranged on the transmission table. A dust collector is arranged in the cleaning roller, multiple sets of dust collection holes are formed in the surface of the cleaning roller, a collection filter box is arranged at the bottom of the cleaning roller, a transmission belt is arranged on the transmission table, and baffles are arranged on the surface of the transmission belt at equal intervals. A turnover mechanism matched with the baffle plate to turn over the cigarette case is arranged in the drying box; the electrostatic dust collection assembly further comprises two sets of ion fans, and the ion fans are obliquely downwards arranged on the two sides of the top end of the dust collection cavity correspondingly. The cigarette case plastic film drying device can solve the problem that cigarette case plastic films are contaminated by dust, and drying quality is affected.

The invention discloses an ultra-clean converter gas dry dedusting system which is characterized in that a converter is connected with a high-effect heat exchanger through an evaporative cooling flue, a banana bend deduster is arranged between the high-effect heat exchanger and a rotational flow heat recovery device, and a water cooling roller is arranged at the bottom of the banana bend deduster to capture coarse ash; the water cooling roller and the converter are linked to periodically run during smelting, the output end of the rotational flow heat recovery device is connected with the electrostatic dust collector and the high-temperature-resistant explosion-proof ultra-clean dust collector through a raw gas pipe to carry out fine dust removal operation, and clean gas is sent to a gas switching station after passing through a gas axial flow fan and a silencer; qualified coal gas is sent to a coal gas cabinet through detection, and unqualified coal gas is sent to a diffusion chimney to be ignited and diffused. Traditional evaporation cold spray water is omitted, and after the high-temperature-resistant explosion-proof ultra-clean dust remover process is adopted, the converter gas waste heat recovery efficiency is high, and the system has the advantages of energy conservation, environmental protection and the like.

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

The invention discloses an auxiliary cathode dust collection device for an electric dust remover, which relates to the technical field of electric dust removers and comprises a plurality of lower mounting plates arranged in a dust remover shell, a translation plate is movably arranged in the dust remover shell and is arranged below the plurality of lower mounting plates, and a moving block is movably arranged on the upper end surface of the translation plate. Two collision blocks are symmetrically fixed to the upper end face of the moving block, a left pushing air cylinder and a right pushing air cylinder are symmetrically fixed to the upper end face of the translation plate, the moving block is movably arranged between the left pushing air cylinder and the right pushing air cylinder, and a translation assembly and a lifting assembly which are used in cooperation with the translation plate are arranged in the dust remover shell; during use, through cooperation of the moving block and the two collision blocks, the corresponding lower mounting plate can be promoted to shake at a time, so that the multiple cathode bodies correspondingly connected with the lower mounting plate are driven to shake, accumulated dust on the cathode bodies is treated, and the dust is collected and treated in cooperation with the dust hopper.