19830 results about "Dust control" patented technology

The invention relates to the technical field of unmanned aerial vehicle dynamic dust suppression intelligent decision making based on multi-sensor data fusion, in particular to a loess photovoltaic construction dust suppression unmanned aerial vehicle spraying dynamic regulation and control device and method, and the method comprises the steps: building a dynamically updated four-dimensional concentration field through a sensor cooperation unit in combination with a turbulence diffusion model of a dust field reconstruction engine; and the strategy knowledge base is optimized to shorten the flight path planning decision-making period from the minute level of the existing offline planning to the second level response. And the anti-interference execution unit realizes accurate spray trajectory tracking under a complex wind field condition. And a real-time evaluation closed loop of the dust suppression effect is constructed by a dual-spectrum imaging and deep learning analysis technology of the efficiency feedback unit, so that a dust field model can dynamically correct boundary condition parameters. The response lag time of an existing dust suppression system is shortened, meanwhile, the spray coverage rate is increased, energy consumption is reduced on the premise that the dust suppression effect is guaranteed, and an intelligent solution is provided for photovoltaic construction flying dust treatment.

The utility model discloses a full-automatic tin soldering machine which comprises a tin soldering table, a tin soldering mechanism, a visual detection device, a tin breaking and supplying assembly and a dust removal device, workpiece guide rails are arranged on the tin soldering table, each workpiece guide rail is connected with a sliding table in a sliding mode, jigs are placed on the sliding tables, and workpieces to be welded are contained on the jigs. A first support and a second support are fixedly arranged above the tin soldering table, a first sliding rail is arranged on the first support, a second sliding rail is arranged on the second support, the first sliding rail is parallel to the second sliding rail, the first sliding rail and the second sliding rail are both perpendicular to a workpiece guide rail below, and a visual detection device is slidably connected to the first sliding rail. The visual detection device can identify and position the pin welding position on the workpiece, the second sliding rail is slidably connected with a tin soldering mechanism, the tin breaking and supplying assembly is connected to the side face of the tin soldering mechanism, and the dust removal device is arranged behind the tin soldering table. Whole-process automatic operation of welding spot positioning, automatic tin supplying and breaking and automatic tin soldering can be achieved, and the automatic tin soldering machine has the advantages of being stable and rapid in operation and high in safety.

The invention relates to a low-resistance efficient blowing dust remover applied to the field of dust removal, the dust remover is additionally provided with an upper electromagnetic rod and a lower electromagnetic rod on the basis of an existing filter bag assembly to enable the filter bag assembly to stretch out and draw back in the vertical direction, so that a vibration table vibrates up and down; the vibration effect generated by expansion of the filter bag assembly can be enhanced, dust hardened on the filter bag is cleaned in advance before back flushing is started, the resistance of follow-up back flushing dust cleaning is effectively reduced, energy consumption is effectively reduced, meanwhile, the filter bag can be effectively prevented from being impacted by high-pressure gas and damaged, the service life of the filter bag assembly is prolonged, and the service life of the filter bag assembly is prolonged. In addition, the shaking-off effect of the dust on the filter bag is enhanced by enabling the vibration table to generate vibration while back-blowing dust removal is carried out, and the vibration table can also transmit the vibration to the filter bag, so that the dust removal effect is further effectively improved.

The invention discloses a dust removal mechanism and a dust removal method of an inverted laser etching machine for LOW-E glass, relates to the field of dust removal for LOW-E glass laser etching, and solves the problems of dust dissipation, interference between an air curtain and negative pressure airflow, poor adaptability of adsorption force and easy blockage of a filter membrane in the etching process. The mechanism comprises a dynamic sealing dust removal cover, an annular air curtain guiding module, a negative pressure dust collection module, a multi-stage filtering module, a composite adsorption positioning module and an intelligent control module. The method comprises six steps of pretreatment positioning, air curtain-negative pressure collaborative initialization and the like. According to the scheme, airflow interference is eliminated through an air curtain-negative pressure collaborative PID algorithm, an adsorption force two-factor adjustment algorithm is matched with glass characteristics, pre-dedusting is achieved through a dust concentration LSTM prediction algorithm, and the filtering efficiency is guaranteed by combining a multi-stage filtering module with a filtering membrane self-cleaning function; dust concentration can be effectively controlled, glass film layer damage is avoided, dedusting stability is improved, and filtering life is prolonged.

The utility model relates to an unprocessed grain storage pulse dust collector for feed production, which comprises a dust collection shell, an air bag is fixed on one side of the dust collection shell; the anti-frosting assembly is arranged on one side of the air bag, the anti-frosting assembly comprises a temperature and humidity control part, and the temperature and humidity control part is used for controlling the temperature and humidity of air entering the air bag; the temperature and humidity control part comprises a hollow cooling tank and a heating tank, a spiral cooling pipe is fixed in the hollow cooling tank, and a semiconductor chilling plate and a water pump are arranged in the hollow cooling tank. High-temperature air is cooled through the hollow cooling tank and the spiral cooling pipe in the hollow cooling tank, low-temperature air is heated through the heating wire in the heating tank, and humidity in air is reduced while the temperature is regulated and controlled through the hollow cooling tank and the heating wire; deformation, damage and aging of the filter bag under high-temperature and low-temperature conditions can be avoided, and reduction of filtering efficiency due to caking of dust on the filter bag is prevented.

The invention discloses a waste lithium battery electrolyte waste gas treatment device and method, and relates to the field of waste lithium battery electrolyte waste gas treatment. The waste lithium battery electrolyte waste gas treatment device comprises a box frame, a filter box is fixedly connected to the box frame, a dust falling hopper is arranged on the filter box, a gas inlet pipe is fixedly connected to the dust falling hopper, a gas purification box is fixedly connected to the filter box, a gas outlet pipe is fixedly connected to the gas purification box, and dust removal cloth bags which are evenly distributed are fixedly connected to the bottom wall of the gas purification box. The upper end of the dust collecting bag is fixed and suspended in the inner cavity of the filter box. The problem that dust at the bottom of the bag is difficult to clean is solved through the dust cleaning mechanism, and the efficiency and service life of the dust collecting bag are improved; during dust removal, the plugging frame opens the bag bottom, accumulated dust is removed in cooperation with high-pressure injection, and sticky dust is prevented from forming a'dead zone '; the cloth bag is loosened to enhance the vibration effect and improve the dust stripping rate; the process is automatic, resistance is reduced, the operation period is prolonged, and complex waste gas purification is facilitated.

The invention provides a shoe sole wear resistance detection device, and belongs to the technical field of wear resistance detection, the shoe sole wear resistance detection device comprises an instrument body and a shoe sole sample formed by punching a shoe sole, and further comprises a simulation detection assembly and a dust removal cleaning assembly; under the guidance of the guide ring, the first support arm can periodically move up and down, the process simulates the dynamic change of the pressure borne by the sole in different gait stages when a person walks, and in combination with the rotation of the sole sample, not only is the vertical pressure change simulated, but also the friction force in different directions can be simulated through relative sliding. The stress state of the shoe sole in the walking process is restored, so that the detection is closer to the actual use scene; the dust removal system is driven by the power of the detection device to operate, so that all-directional coverage of the whole abrasion area is realized, the retention time of dust in the detection area is reduced, dust interference can be avoided, the state of a sole sample before and after detection is only influenced by abrasion of a grinding wheel, and the detection result more truly reflects the abrasion resistance of the sole.

The invention relates to a single-phase load identification intelligent ammeter, which relates to the technical field of ammeters, and comprises an ammeter body, a terminal cover and a fixing piece, the ammeter body is provided with a wiring area, a display area and a drainage channel penetrating through two sides of the ammeter body, and the terminal cover is hinged on the ammeter body and covers the wiring area and the drainage channel. The fixing member is used for detachably fixing the terminal cover on the ammeter body. The plugging part is arranged on the terminal cover, the plugging groove is arranged in the wiring area, the fixing piece is taken down from the plugging part to form an air guide flow channel between the plugging part and the wiring area, and the air guide flow channel is communicated with the drainage channel. Air is supplied to the plugging part through external air supply equipment, dust removal air can be blown into the wiring area along the air guide flow channel and is discharged through the drainage channel, dust in the wiring area can be cleaned under the condition that the terminal cover is not opened, the dust removal efficiency is improved, and the maintenance risk is reduced.

The invention relates to the field of coal mine intelligent management and control, and particularly discloses a coal conveying system dust management and control integrated platform based on multi-sensor collaboration, which comprises the following components: a multi-sensor collaboration monitoring module, a central controller, a dynamic control module, a cloud server and a graded alarm and emergency module. The system has the beneficial effects that through multi-sensor collaborative layout and a data fusion algorithm, global coverage monitoring of the dust concentration of the coal conveying system is realized, a dust removal strategy is dynamically optimized, redundant operation of equipment is avoided, and the overall energy-saving efficiency is improved. The platform integrates dust, gas and fire monitoring functions, adopts a fuzzy logic algorithm to optimize a dust removal strategy, supports graded alarm and emergency linkage, remarkably improves dust removal efficiency and safety, and is suitable for industrial scenes such as thermal power generation and coal transfer.

The invention relates to a bandage, a pleated filter cartridge and dust removal equipment, and belongs to the technical field of filtering and dust removal equipment. The bandage is applied to the pleated filter cartridge and comprises a pleated structural member and a fixing structural member, the pleated structural member comprises an annular body and a plurality of tooth bodies connected to the inner side of the annular body, part of adjacent tooth bodies are arranged at intervals in the annular arrangement direction of the annular body to form receding grooves, at least one adjacent tooth body is arranged at intervals to form mounting grooves, and the fixing structural member is fixed to the annular body. The avoiding groove and the mounting groove are both used for avoiding at least one fold tooth of the filter material; the fixing structural part is arranged in the mounting groove and comprises a clamping piece part with an opening end and a connecting end and a fixing part, the clamping piece part is connected with the fixing part through the connecting end, the opening end of the clamping piece part is used for being connected with the pleat teeth of the filter material, and the fixing part is connected with the annular body. According to the bandage, the pleated filter cartridge and the dust removal equipment provided by the invention, the problems that the bandage is easy to age and deform after being used for a long time and the filtering effect of the filter cartridge is finally reduced are at least solved.

The invention relates to the technical field of polishing devices, and particularly discloses a metal accessory polishing device which comprises a polishing table, a connecting rod is slidably connected to an inner cavity of the polishing table, a polishing mechanism is arranged on the outer surface of the connecting rod, a double-station assembly is arranged on the upper surface of the polishing table, and a dust removal assembly is arranged on the outer surface of the double-station assembly. The double-station assemblies alternately work, so that the waiting time can be remarkably shortened, the polishing efficiency is improved, metal accessories can be flexibly fixed, the situation that the metal accessories are damaged due to the fact that the action force of the polishing wheel on the metal accessories is too large is prevented, and when the metal accessories are subjected to the large action force of the polishing wheel, an alarm can be given in time; according to the polishing device, workers can conveniently maintain the polishing device in time, so that the rejection rate is reduced, chippings generated in the polishing process can be cleaned in time through the dust removal assembly, the polishing precision is improved, and the cleaned dust can be collected in time.

The invention relates to a negative pressure dust collection type cutting machine, and belongs to the technical field of cutting machines, the negative pressure dust collection type cutting machine comprises a cutting machine workbench, a cutting module, a negative pressure dust collection module, an explosion-proof filtering system and a control system, the cutting module comprises a three-dimensional five-axis cutting mechanism and a high-power laser cutting head, and the high-power laser cutting head is loaded at the driving end of the three-dimensional five-axis cutting mechanism. The dust collector has an anti-explosion effect and an environment-friendly discharge function, and is provided with an anti-static pipeline, an inert gas injection device and a spark catcher aiming at flammable metal dust, so that the explosion risk can be remarkably reduced, multi-stage filtration is carried out by adopting the sintered metal filter cartridge, the HEPA filter screen and the like, discharged air meets the environment-friendly standard, the sewage problem of traditional wet dust collection is avoided, and the dust collector is suitable for popularization and application. And the metal plate is fixed through the evenly-distributed adsorption holes, plate deviation caused by vibration or scrap accumulation in the cutting process is prevented, and the precision of the cutting path is improved.

The invention relates to an airflow jet heat dissipation, dehumidification and dust removal system of a power device, and belongs to the technical field of power supply and distribution. Comprising an electric power device and a protection box body of the electric power device, the electric power device is arranged in the protection box body, at least one airflow ejector is installed in the protection box body, an air outlet nozzle of a jet flow nozzle of the airflow ejector corresponds to the surface of the electric power device, and the jet flow nozzle is in a wedge shape. Jet air generated by the airflow ejector efficiently and uniformly performs heat dissipation, dehumidification and dust removal on the electric power device, so that the purposes of saving air consumption, reducing energy consumption, preventing electric leakage and short circuit of electric appliances, reducing power loss, prolonging the service life of the electric power device and improving the safety and operation stability of the electric power device are achieved.

The invention relates to a control method for linkage of multi-source dust treatment and dust removal in a closed underground space. The control method is applied to the dust removal system. The method comprises the following steps: firstly, performing three-dimensional dynamic simulation on an airflow field in a closed underground space based on a computational fluid mechanics model to obtain flow field data output by the three-dimensional dynamic simulation; then, based on the flow field data, isolation and sealing control is performed on the source of dust in the underground space. And then the operation area is divided into a plurality of functional areas, and the air volume of the independent air draft pipeline system of each functional area is determined. Then, the dust is guided to be concentrated towards a suction area in the multiple functional areas through an air flow organizing device. Finally, multiple pieces of sensor data of the multiple functional areas are collected according to the sensors of all the functional areas, and big data analysis is carried out based on the multiple pieces of sensor data so as to control the dust removal system. According to the invention, dust in the closed underground space can be efficiently and reliably controlled and treated.

The invention discloses a control process and equipment for processing waste gas treatment in the generic semiconductor industry, and relates to the technical field of semiconductor, panel, solar energy and LED waste gas treatment. The equipment comprises a gas inlet control unit, a plasma torch, a reaction cavity, a water tank and a washing tower which are sequentially connected, wherein the gas inlet control unit comprises a three-way valve to realize switching of a main machine and a standby machine; the water tank is provided with a heat exchange and monitoring part; the washing tower comprises a washing section, a turbulent flow section and a demisting section. The process comprises the steps of air inlet control, pyrolysis combustion, cooling and pre-dedusting, water washing, washing tower treatment and the like, and is combined with PID control of plasma power and CDA consumption, and logic control of drainage, flushing and the like. The problems of pipeline blockage and corrosion caused by high operation cost, short PM period and poor washing effect in the process of treating high-dust and high-corrosion process waste gas in the prior art are solved, and the method has the advantages of reducing the cost, prolonging the maintenance period, improving the treatment efficiency and the like.

The invention discloses a primary and secondary fusion ring main unit with an anti-condensation function, and relates to the technical field of outdoor ring main units, the primary and secondary fusion ring main unit comprises a ring main unit body, the left side of the ring main unit body is provided with a protective net, the inner side of the protective net is provided with a heat dissipation assembly and a dust removal assembly which are fixedly connected with the ring main unit body, and the rear side of the heat dissipation assembly is provided with a dehumidifier; the right side of the ring main unit body is provided with an air outlet, the rear side of the ring main unit body is provided with a drainage hole, the heat dissipation assembly comprises a fixed plate A, the front of the fixed plate A is rotatably connected with four fan blades, the four fan blades are divided into two groups, and the two groups of fixed plates A are distributed left and right, the dust removal assembly comprises a fixed plate B, and the fixed plate B is fixedly provided with a fixed plate. And baffle plates are arranged on the left and right sides of the fixed plate B. The interior of the ring main unit body is dehumidified through the dehumidifier, and when a relatively large temperature difference occurs between the interior and the exterior of the ring main unit body, the phenomenon that the interior of the ring main unit body is condensed and flashover and creepage accidents occur in the ring main unit body is prevented.

The invention relates to the technical field of intelligent control systems, and discloses a multifunctional embedded intelligent cleaning control system which comprises a control execution layer, an internet-of-things transmission layer and a decision analysis layer. The control execution layer comprises an intelligent variable-frequency scraping device, a wind-water sweeping device and the like and executes sweeping and dust removal operation; the Internet of Things transmission layer realizes data interconnection and transmission through an edge computing node, a protocol conversion gateway and the like; and the decision analysis layer adopts a time sequence data analysis and convolutional neural network algorithm, dynamically optimizes the cleaning operation model, constructs a multi-dimensional linkage cleaning control strategy model, and realizes cleaning intensity adjustment, air and water parameter cooperative control and dust removal efficiency dynamic optimization. According to the system, through multi-technology fusion and collaborative optimization, the intelligent, precise and efficient level of sweeping operation is improved, the system is suitable for a conveying belt sweeping scene, the sweeping efficiency can be improved, equipment loss and dust emission can be reduced, and remarkable economic benefits and environmental protection benefits are achieved.

The invention discloses a numerical control machine tool device convenient for changing the cutting angle of a cutter, and relates to the technical field of numerical control machine tools, the numerical control machine tool device comprises a main body structure, the main body structure comprises a machine tool body, one side of the top of the machine tool body is fixedly connected with a three-jaw chuck, one side of the three-jaw chuck is provided with a cutter rest, and the bottom of the cutter rest is fixedly connected with a cutter table; the centering assembly comprises a fixing bolt connected to the top of the tool rest in a threaded mode, and the surface of the fixing bolt is rotationally connected with a connecting plate. The centering assembly is used for replacing manual visual alignment, tool positioning is achieved, the tool positioning state can be switched under the conditions that a tool rest is not aligned, and the tool is obliquely installed due to abrasion, the tool can be obliquely installed according to actual requirements, and therefore the cutting angle can be conveniently adjusted and changed; and a cutter pushing-in-dust removal linkage mechanism is achieved through the dust removal assembly, so that it is guaranteed that the fixing bolt can be tightly attached to the top of the cutter when being fastened, the cutter can be ejected out in an auxiliary mode when the cutter is disassembled, and use convenience is improved.

A combined dust suppression system for a metal ore unloading station, and a using method. The combined dust suppression system consists of an ore unloading station tunnel wall surface accumulated dust high-pressure water flushing device, an ore unloading station tunnel floor spraying, watering, and wetting device, and an ore unloading station ore train floor bidirectional high-pressure spray dust suppression device. The ore unloading station tunnel wall surface accumulated dust high-pressure water flushing device is used for performing manual flushing on a tunnel by means of high-pressure water in the travel direction of an ore unloading train, the ore unloading station tunnel floor spraying, watering, and wetting device is used for performing spraying, watering, and wetting on the tunnel, and the ore unloading station ore train floor bidirectional high-pressure spray dust suppression device isolates dust generated during ore unloading at the ore unloading station. The water consumption can be reduced, excessive water in an ore unloading pit that causes adhesion and blockage can be effectively avoided, the field applicability of high-pressure spray dust suppression measures is improved, and on-demand spray dust removal of a high-pressure spray device is achieved; high-pressure water is used for flushing accumulated dust on the tunnel wall surfaces of ore unloading stations, and the tunnel floors of ore unloading stations are sprayed, watered, and wetted, thereby achieving significant comprehensive dust suppression and dust control effects, and notable energy-saving effects.

The invention relates to the technical field of mine ventilation equipment, and discloses coal mine dust removal ventilation equipment which comprises an air pipe, an air draft assembly used for air draft is arranged at the top of a bottom plate of an inner cavity of the air pipe, a collecting assembly used for dust removal is arranged in the air pipe, and the collecting assembly comprises a lower baffle and an upper baffle. The lower baffle and the upper baffle are fixed to one side of a bottom plate and one side of a top plate of an inner cavity of the air pipe correspondingly, an air cylinder is fixed to the surface of the middle position of the upper baffle, an output shaft of the air cylinder penetrates through the top of the air pipe, a linkage plate is rotationally connected to the top of the output shaft of the air cylinder, and a magnetic sheet set is inlaid in the bottom of the linkage plate. According to the exhaust fan, the activated carbon box set is arranged in the air pipe, when the exhaust assembly conducts exhaust type ventilation, after air enters the air pipe, dehumidification and dust removal are conducted through activated carbon particles in the activated carbon box set, the influence of dust and moisture on an impeller of the exhaust fan is reduced, and then the ventilation efficiency of the exhaust fan is improved.

The invention discloses a VOCs gas leakage real-time monitoring system based on dual-light image fusion, which comprises a dual-light acquisition module, a preprocessing module and a fusion and identification module, and is characterized in that the dual-light acquisition module comprises a visible light lens and an infrared lens; the preprocessing module comprises a gas path dust removal unit and a signal conditioning unit; the fusion and identification module carries out dynamic registration, multi-scale fusion and intelligent noise reduction processing on the preprocessed image. According to the VOCs gas leakage real-time monitoring system based on dual-light image fusion disclosed by the invention, through linkage of the dual-light acquisition module, the preprocessing module and the fusion and identification module, high-sensitivity detection and real-time early warning of VOCs leakage are realized in a complex industrial scene, and meanwhile, the false alarm rate is reduced.

The invention belongs to the technical field of semiconductor device manufacturing and processing, and particularly relates to semiconductor device manufacturing processing equipment which comprises a base and a mechanical arm fixedly arranged at the top of the base, a dust removal mechanism is fixedly arranged at one end of the mechanical arm, and a wafer polishing mechanism is fixedly arranged at the bottom end of the dust removal mechanism. A pneumatic lifting mechanism is fixedly arranged at the top of the base, when a wafer clamped by the wafer clamping mechanism needs to be turned over, the clamping air bag is inflated through the air nozzle, the wafer is clamped through the clamping air bag, then a valve on the air outlet is closed, at the moment, the air pressure in the hollow stand column can be continuously increased, and the wafer can be turned over. The piston assembly in the pneumatic lifting mechanism is pushed by air pressure to be jacked upwards, the ejector rod can be synchronously driven to ascend when the piston assembly is jacked upwards, the wafer clamping mechanism can be jacked up synchronously through the ejector rod, a wafer needing to be polished can be turned over conveniently, and the back face of the wafer can be polished conveniently.

The utility model discloses a horizontal crusher, which relates to the technical field of processing equipment and comprises a base, vibration motors are symmetrically mounted at the bottom end of the base, a collecting box is mounted at one end of the base, a shell is fixedly connected to the upper end of the base, a feed hopper is mounted at the upper end of the shell, vibration plates are symmetrically mounted at the upper end of the interior of the shell, and a feeding hopper is mounted at the lower end of the shell. The opposite ends of the vibrating plates are provided with vibrating strips, the bottom ends of the vibrating plates are provided with a U-shaped screening cover and a sliding mechanism, one end of the shell is provided with a driving motor, the output end of the driving motor is rotationally connected with a rotating rod through a rotating shaft, and the outer side of the rotating rod is symmetrically provided with crushing hammers; and elastic lock mechanisms are symmetrically installed on the outer sides of the rotating rods, and a dust removal mechanism is installed at one end of the shell. Due to the adoption of the structure, the crusher is convenient for a user to use, and the crushing effect and efficiency are improved.

The invention relates to the field of atmospheric control and pollution abatement, in particular to high-concentration environment-friendly flue gas desulfurization and dust removal equipment. Comprising a tower shell, the tower shell is provided with an air inlet, the upper side of the tower shell is fixedly connected with a ventilation cylinder through a support, the upper side of the ventilation cylinder is fixedly connected with a top disc, the top disc is provided with an exhaust port, and the lower side of the top disc is provided with liquid spraying pipes distributed in the circumferential direction. The ventilation cylinder and the tower shell form an air inlet cavity communicated with the air inlet, the lower side of the tower shell is provided with a liquid outlet used for discharging liquid in the tower shell, the lower part of the inner wall of the ventilation cylinder is provided with a first filter screen used for removing dust, and the diameter of the ventilation cylinder is gradually reduced from the middle to the bottom. According to the invention, the ventilation cylinder is set to be wide at the top and narrow at the bottom, and is matched with the spiral distribution of the gas guide holes, so that flue gas is uniformly distributed in the ventilation cylinder, the contact area between the flue gas and lime slurry is increased, and the desulfurization efficiency of high-concentration flue gas is improved.

The invention discloses a dust removal fan frequency conversion control method and related equipment, and relates to the technical field of video control. The method comprises the steps that a training data set is generated based on historical video data of an iron notch area in the blast furnace tapping process; constructing an initial artificial intelligence model, and training the initial artificial intelligence model by adopting the training data set to obtain a target artificial intelligence model representing a mapping relationship among the dust concentration, the spark intensity and the fan frequency; based on the target artificial intelligence model and the current dust concentration feature and the current spark intensity feature in the current video data, the target fan frequency of the current tapping stage is determined; and generating a control signal based on the target fan frequency so as to adjust the operation frequency of the dust removal fan frequency converter through the control signal.

The invention provides an inert gas generation system, and relates to the technical field of industrial gas production. The inert gas generation system comprises the following modules: a gas pretreatment module, an intelligent separation module, a dynamic purification module, a pressure regulation and control module, a quality analysis module, a safety control module and an energy efficiency optimization module, and the gas pretreatment module is used for removing particulate matters through an electrostatic dust collection device by adopting a multi-stage gradient filtering algorithm based on ambient air input, adjusting humidity by combining a dew point control technology, forming a standardized gas source and generating a standard gas source. Through combination of a multi-stage gradient filtering algorithm and a dew point control technology, collaborative treatment of particulate matters and humidity is realized, stable gas source input is formed, the reliability of a subsequent processing link is improved, membrane separation parameters are dynamically predicted by applying a convolutional neural network model, and the permeation efficiency of a hollow fiber membrane stack is optimized.

The utility model relates to a belt conveying mechanism which comprises a first vacuum belt assembly, a second vacuum belt assembly, a third vacuum belt assembly, a fourth vacuum belt assembly and a brush dust removal assembly. The first vacuum belt assembly, the second vacuum belt assembly, the third vacuum belt assembly and the fourth vacuum belt assembly are sequentially connected end to end, and the brush dust removal assembly is installed at the lower end of the first vacuum belt assembly and the lower end of the third vacuum belt assembly. According to the belt conveying mechanism, the first vacuum belt assembly, the second vacuum belt assembly, the third vacuum belt assembly and the fourth vacuum belt assembly convey the pole pieces in an adsorption mode, the pole pieces are conveyed through belt transmission, dust generated by friction between the belt and the pole pieces is reduced, and the qualification rate of battery cell production is increased.

The invention provides a pyrolysis recovery method of a plastic packaging bag, and belongs to the technical field of plastic packaging bag recovery, the pyrolysis recovery method of the plastic packaging bag comprises the following steps: removing impurities from the waste plastic packaging bag, cleaning and drying, and controlling the moisture to be below 5%; the packaging bag is crushed into small blocks with the diameter smaller than 20 mm, so that the pyrolysis efficiency is improved; feeding the crushed plastic into a pyrolyzing furnace through a spiral feeder, adding an auxiliary pyrolyzing component, heating to 300-600 DEG C under an oxygen-free or oxygen-deficient condition, and carrying out thermal cracking; oil gas obtained after pyrolysis is condensed through a cooling system and classified, and solid residues are subjected to tempering treatment; flue gas generated after combustion is subjected to high-temperature degradation through a secondary combustion chamber and then subjected to multistage treatment through a quench tower, dust removal, alkali spraying and activated carbon adsorption, and it is ensured that the flue gas reaches the standard and is discharged; the problems that in the existing pyrolysis recycling process of the plastic packaging bags, the treatment efficiency is low, and the environment is still polluted can be solved.

The invention discloses laser cladding repairing equipment for an exhaust valve rod of a marine main engine. The laser cladding repairing equipment comprises a rotating mechanism, a cleaning mechanism and a repairing mechanism. The rotating mechanism adopts a plurality of stepping motors to drive friction wheels, self-centering clamping and intermittent rotation of the exhaust valve rod are achieved through a hydraulic cylinder and a plane connecting rod mechanism, it is ensured that positioning is accurate, and the rotating mechanism adapts to workpieces with different diameters. The cleaning mechanism is arranged below the rotating mechanism, a centrifugal fan is used for simultaneously driving a grinding disc to rotate at a high speed to conduct surface grinding, scrap iron is discharged in time through the negative pressure suction function of the centrifugal fan, and cleaning and dust removal are integrated. And the anti-diffusion cover and the anti-diffusion plate are matched to form a local closed area, so that dust dissipation is effectively inhibited. The repairing mechanism adopts a mechanical arm to carry a laser cladding head, the curved surface of the valve rod can be tracked with high precision, and automatic cladding is completed. The equipment integrates automatic clamping, efficient cleaning, synchronous dust removal and intelligent repairing, and the automation level, the surface treatment quality and the operation safety of repairing of the exhaust valve rod are remarkably 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.