2826 results about "Dust particles" patented technology

The invention discloses an engineering vehicle multi-area environment control system based on AI, and particularly relates to the technical field of engineering vehicle environment control. Humidity, electric field, air pressure and dust multi-mode sensing arrays are arranged in multiple areas of an engineering vehicle, dust particle deposition distribution time sequence characteristics are extracted, and a deposition acceleration coefficient and a humidity response coefficient are calculated; calculating a dust deposition risk coefficient, comparing the dust deposition risk coefficient with a preset value, and marking a region exceeding a threshold value as a region in a dust deposition abnormal state; analyzing a deposition trend based on a time sequence prediction model, inputting environmental parameters, and predicting a dust deposition velocity curve of each area of the engineering vehicle in a future set time; according to the method, the static electricity, humidity, air pressure and dust coupling deposition risk is assessed in a prospective mode, a collaborative intervention strategy is triggered through a dynamic early warning threshold function, the effect of rapidly restraining the risk is achieved, and the problem that traditional single-parameter monitoring lags behind, and ventilation efficiency is suddenly reduced due to the fact that a coupling mechanism cannot be captured is effectively solved.

The invention provides a desert photovoltaic sand damage dynamic monitoring method and system based on an unmanned aerial vehicle, and the method comprises the steps: obtaining the flying dust data of a photovoltaic power station region, generating an initial data set, and enabling the flying dust data to be collected through a multi-mode sensor carried by the unmanned aerial vehicle; performing multi-modal data fusion processing on the initial data set to obtain a dust feature matrix, the dust feature matrix being used for representing dust reflectivity, terrain elevation and wind speed correlation features; calculating migration probability distribution of the flying dust particles based on the sand and dust characteristic matrix, wherein the migration probability distribution is used for representing spatio-temporal evolution laws of the particles with different particle sizes; a three-dimensional dynamic sand and dust concentration field model is generated according to the migration probability distribution, a sand damage dynamic monitoring result is output based on the three-dimensional dynamic sand and dust concentration field model, and the sand damage dynamic monitoring result comprises deposition density distribution and an erosion risk area. By adopting the method, the photovoltaic sand damage of the desert can be accurately and dynamically monitored with high timeliness.

The invention discloses a sand and dust vertical flux high-precision inversion method based on a laser radar. The method comprises the following steps: acquiring multi-wavelength back scattering and polarization information by using a 355 nm, 532 nm and 1064 nm three-wavelength polarization laser radar system; constructing a five-dimensional optical feature vector space, and combining a support vector machine classifier to realize automatic identification of dust particles; a variational data assimilation technology is adopted to fuse radar observation and numerical forecasting information to invert a three-dimensional wind field; inverting sand and dust mass concentration vertical distribution based on the corrected particle spectrum distribution model; flux calculation and uncertainty quantization are realized through adaptive weighted fusion and a Monte Carlo method; the method has the characteristics of high temporal-spatial resolution, high precision, strong adaptability and the like, and can be widely applied to the fields of weather forecast, environment monitoring, climate research and the like.

The invention belongs to the technical field of fire detection, and particularly discloses a smoke sensor labyrinth optimization design and dust pollution resistance method, which comprises the following steps: detecting corresponding smoke and dust fusion particles and water vapor particles in an air detection area through a signal transmitting device; water vapor particles are screened to weaken smoke alarm triggered by mistake caused by the water vapor particles, a differential signal processing technology is adopted to distinguish and identify fusion particles, meanwhile, the fusion particles are introduced into a labyrinth measuring cavity, the concentration of smoke and dust is measured in the labyrinth measuring cavity, and the detection stability is enhanced; the width of a labyrinth channel in a labyrinth measuring cavity is automatically adjusted according to the smoke concentration to carry out space division of smoke particles and dust particles, so that the adaptability of the detector to a complex environment is improved; the smoke concentration in the labyrinth measuring cavity is subjected to fire early warning judgment, the cleaning device additionally arranged in the labyrinth measuring cavity is started according to the smoke concentration and the dust concentration for cleaning treatment, and the detection continuity is improved.

The invention relates to the technical field of shield tunneling machine man cabin monitoring, in particular to a man cabin monitoring system based on an optic neural network, which is characterized in that light scattering prior is constructed based on dust particle size, dust concentration and relative positions of a camera and light by collecting original images in a shield tunneling machine man cabin and data of dust particle size, concentration, temperature and smoke concentration; the transmissivity is inversed in combination with a monocular depth estimation network, and the image is further corrected in a cross-scale manner through a residual pyramid compensation network, so that a dust removal image sequence suitable for a complex light scattering environment is obtained; and then accurate identification of abnormal staying of personnel and tool missing is realized based on a three-dimensional space-time diagram convolutional network and a causal attention mechanism, and a Transform model is utilized to fuse vision, temperature and smoke concentration data to realize rapid and accurate prediction of fire and in-cabin leakage risks.

The invention discloses a cyclone separator for collecting powder coating, and relates to the technical field of cyclone separators. Comprising a barrel, the outer side of the barrel is fixedly connected with a support, the outer side of the barrel is fixedly connected with a feeding pipe, a conical barrel is fixedly connected to the bottom of the barrel, a spiral plate is fixedly connected to the inner wall of the conical barrel, a spiral groove is formed in the inner wall of the conical barrel, a round hole is formed in the middle of the top of the barrel, and a supporting column is fixedly connected to the top of the barrel; the number of the supporting columns is multiple, the multiple supporting columns are evenly distributed with the discharging assembly as the center, the tops of the supporting columns are fixedly connected with a bearing plate, and the top of the bearing plate is fixedly connected with the motor. According to the cyclone separator for collecting the powder coating, a definite flowing path is provided for dust particles by arranging the spiral groove and the spiral flow guide groove, so that dust can move towards the dust discharging opening more smoothly, the accumulation and backmixing phenomena of the dust on the inner wall of the conical barrel are reduced, and the dust discharging efficiency and stability are improved.

Laser cutting equipment for precision equipment sheet metal machining relates to the field of sheet metal machining and comprises a laser cutting head, a cutting table mechanism, a gantry hoisting mechanism and a cutting cleaning mechanism, and the cutting cleaning mechanism and the laser cutting head are both arranged on the gantry hoisting mechanism. The gantry hoisting mechanism comprises a transverse guide rail and a vertical guide rail which are arranged on the cutting table mechanism, the cutting and cleaning mechanism comprises a flow guide cover and a turbofan assembly arranged on the inner side of the flow guide cover, and the turbofan assembly is used for cleaning the laser cutting part. The surface of the sheet metal part of the cutting part of the laser cutting head is cleaned, in the moving process of the laser cutting head, the turbofan assembly on the inner side of the flow guide cover rotates and grinds the surface of the sheet metal part, residual oil stains, dust particles and rust are reduced, residues on the surface of the sheet metal part are reduced, the turbofan assembly rotates to rub the surface of the sheet metal part, and the surface of the sheet metal part is protected. Dirt on the surface of the sheet metal part is cleaned in time, the cutting face is prevented from being rough, and the cutting precision is improved.

The invention discloses a precise ammonia spraying system suitable for SNCR denitration, and relates to the technical field of ammonia spraying devices for SNCR denitration, the precise ammonia spraying system comprises a top cover fixedly mounted at the top of a boiler cyclone separator barrel, and a reciprocating pushing mechanism is mounted on the outer wall, located on the outer side of a spray gun, of the boiler cyclone separator barrel; and supporting cylinders which are distributed at equal intervals are fixed on the inner wall, close to the spray gun, of the boiler cyclone separator cylinder body. According to the precise ammonia spraying system suitable for SNCR denitration, the sleeve used for dispersing ammonia sprayed by the spray gun can rapidly rotate and transversely move, dead angles in the spraying process can be reduced, the ammonia is evenly distributed in the boiler cyclone separator barrel, mixing of the ammonia and flue gas is promoted, the working efficiency of the ammonia spraying system is improved, and the service life of the ammonia spraying system is prolonged. Moreover, the sleeve can generate slight vibration during rotation, dust particles in the through holes are vibrated off, the service life of the sleeve is prolonged, meanwhile, gas can be helped to form finer fog drops during spraying, ammonia gas can be better diffused conveniently, and the flue gas reaction efficiency is improved.

The invention relates to the technical field of hydrological monitoring equipment, and discloses unattended hydrological monitoring equipment which comprises a monitoring box, the bottom of the monitoring box is fixedly connected with a fixed seat, and the bottom of the fixed seat is fixedly connected with a floating base; a side extending plate which horizontally moves in a reciprocating mode can drive a side cleaning brush to conduct cleaning along the surface of a side photovoltaic panel, the cleanliness of the surface of the side photovoltaic panel is improved, the situation that the surface of the side photovoltaic panel is covered with dust particles is reduced, and a rotating side transmission fan can generate wind power to blow to the surface of the side photovoltaic panel, so that the surface of the side photovoltaic panel is cleaned. Dust generated after the surface of the side photovoltaic panel is cleaned is blown away, meanwhile, the air circulation performance of the surface of the side photovoltaic panel is improved, the situation of corrosion caused by moisture accumulation generated in the side photovoltaic panel is reduced, the surface of the floating base is cleaned through the continuously rotating bottom cleaning brush, the cleanliness of the surface of the floating base is improved, and the service life of the floating base is prolonged. The condition that the surface of the floating base is attached or corroded by algae is reduced, and the use stability of the floating base is improved.

The invention relates to the related technical field of pollution treatment, in particular to a mineral separation pollution treatment device which comprises a filter box and a dustproof filter screen installed in the filter box, a filter cartridge for filtering particle dust is arranged in the filter box, and a twisting cleaning assembly for scraping the periphery of the filter cartridge is arranged in the filter box. The twisting cleaning assembly comprises a fixed rotating seat, a front rotating seat and a rear rotating seat, and a twisting cleaning ring arranged on the twisting cleaning assembly twists and cleans dust particles blocked on the periphery of the filter cartridge up and down. The L-shaped cleaning rod further drives the twisting cleaning ring to perform rotary cleaning around the outer wall of the filter cartridge, so that the cleaning strength is remarkably enhanced, the cleaning coverage and the cleaning effect on the arc-shaped surface of the periphery of the filter cartridge are more effectively improved, the labor intensity of workers is reduced, and the cleaning effect of the filter cartridge is improved.

The invention discloses a metal dust risk dynamic assessment and grading early warning method based on the Internet of Things, and particularly relates to the technical field of metal dust monitoring. Multi-type sensor nodes are deployed on an industrial site, metal dust concentration, environmental parameters and equipment state information are collected, after edge calculation preprocessing, dust particle dynamic behavior characteristics and high-frequency signal abnormal characteristics are extracted, and the dust particle dynamic behavior characteristics and the high-frequency signal abnormal characteristics are calculated based on the change trend and the coupling relation. A judgment model is constructed to recognize the reliability state of the sensor under different interference working conditions in real time, when it is detected that the sensor has a potential misalignment risk, the system can automatically conduct data correction or redundant path switching and dynamically update an early warning result, and the method effectively improves the dust monitoring stability and early warning accuracy under the complex working conditions and improves the safety of dust monitoring. And the identification and prevention capability of the system on the silent potential safety hazard is obviously enhanced.

The invention discloses a dust gas treatment device for woven bag production, and belongs to the technical field of dust gas treatment, the dust gas treatment device comprises a box body, a gas inlet pipe is arranged at the upper end of the box body, a gas outlet is formed in the lower end of the box body, and a fan is arranged in the gas outlet; the dust collection assembly is installed in the box body, the upper end of the dust collection assembly communicates with the air inlet pipe, and the dust collection assembly is used for adsorbing dust particles in the air when the air passes through the dust collection assembly; the dust collection box is installed in the box body, located below the dust collection assembly and used for collecting dust particles discharged by the dust collection assembly, the dust retention time is prolonged by adopting a spiral channel, the dust removal effect is remarkably improved by combining an electrostatic adsorption film, meanwhile, dust can be maintained and discharged without shutdown through vibration cleaning, and the cleaning efficiency is not affected.

The invention discloses a filter cartridge dust remover with a synergistic dust removal function and a dust removal method. The filter cartridge dust remover comprises an induction pressurization pulse injection device, a vibration auxiliary dust removal type filter cartridge, an annular dust collection baffle, a negative pressure device and an atomization device, the induction pressurization pulse injection device realizes enhancement of injection airflow through a novel induction pressurization nozzle; the annular dust collection baffles are arranged around the vibration auxiliary dust removal type filter cartridge, and the multi-stage dust collection effect can be achieved in the dust collection stage; the negative pressure device is matched with the atomization device, and dust particles can be rapidly solidified and removed in the dust removal stage. The dust removal device is simple in structure, and the functions of multi-stage dust collection and double dust removal are achieved on the basis of a traditional dust removal technology; during dust collection, the pressure of the filter cartridge can be relieved through the annular dust collection baffle, multi-stage dust collection is achieved, and the dust collection capacity is increased; during dust removal, the pressurized pulse injection device is induced to be matched with the vibrating auxiliary ash removal type filter cartridge, so that the dual ash removal effect is realized, and the ash removal quality is improved.

The invention discloses a primary and secondary fusion complete ring main unit with a dust removal function, and belongs to the technical field of ring main units. When a sleeve is pressed downwards to descend under the action of external force, the end of the sleeve is in contact with a first spring and extrudes the first spring, the first spring generates elastic deformation, and when thrust for pressing the sleeve downwards is dissipated, the first spring deforms; elastic deformation of a first spring recovers, thrust is generated to push a lower connecting plate to ascend and rotate, the lower connecting plate is matched with an upper connecting plate to twist a hydrophobic filter screen, the hydrophobic filter screen can extrude a wet dust layer when twisted, moisture in the dust layer can be removed easily through extrusion, binding force between dust particles is weakened, and the dust particles can be prevented from falling off. Meanwhile, the twisting of the hydrophobic filter screen also enables the dust layer to be subjected to shear force, and when the action of the force is greater than the binding force between the dust particles or between the dust particles and the hydrophobic filter screen, the dust layer can be stripped from the surface of the filter bag and fall off.

The invention relates to the technical field of starch processing, and particularly discloses a section tail gas efficient dust removal and deodorization device for starch processing, the section tail gas efficient dust removal and deodorization device comprises a dust removal box, a first deodorization box and a second deodorization box which are sequentially installed from bottom to top, the dust removal box is filled with deodorization liquid medicine, and one side of the dust removal box is provided with an air inlet assembly; a biological deodorization assembly is arranged in the first deodorization box, and a photocatalytic deodorization assembly is arranged in the second deodorization box; and mounting lug seats which are distributed at equal intervals are fixed to the inner wall of the dust removal box, and the same blocking cylinder is fixedly mounted at one ends of the mounting lug seats. According to the device, the contact efficiency of tail gas and liquid medicine is remarkable, dust particles in the tail gas can be effectively intercepted and adsorbed, meanwhile, a secondary dust removal area is formed in the upper space of the dust removal box, the dust removal rate is further increased, deep deodorization and multiple deodorization modes are progressively performed layer by layer, odor substances in the tail gas can be fully removed, and the environment friendliness is achieved. And the discharged gas is fresh and harmless.

The invention discloses dedusting filter material air permeability detection equipment, and relates to the technical field of air permeability detection.The dedusting filter material air permeability detection equipment comprises an equipment shell and a support, the support is fixedly installed on the surface of the bottom end of the inner wall of the equipment shell, a first detection pipe is fixedly installed on the inner wall of the support, and an airtight groove is formed in the inner wall of the first detection pipe; a second detection tube is movably inserted into the inner wall of the first detection tube; dust particles are vibrated to be scattered through the ultrasonic vibration piece, the natural dust raising environment is simulated, on the other hand, the water storage bottle, the water absorption sponge rod and the atomization piece are matched, water mist can be evenly sprayed to simulate the humidity, the two can be conducted at the same time, muddy water simulation is formed, and therefore the air permeability of the material is comprehensively evaluated; therefore, the defect that the air permeability of the dust removal filter material under various conditions cannot be detected due to the fact that air permeability detection equipment for the dust removal filter material in the prior art can only perform single air permeability detection on the material and cannot detect the air permeability of the dust removal filter material in a dust-free state and a dust state at one time is overcome.

The invention discloses a morphology reconstruction method for a deposition layer of a ceramic matrix composite air film cooling structure, and belongs to the field of engineering thermophysics. According to the method, on the basis of traditional fluid-solid coupling heat transfer simulation, a track of dust particles on the surface of the ceramic-based composite material air film cooling structure is simulated in combination with a dispersed phase model, deposition layer thickness distribution characteristics are obtained, and after coordinate positions and normal vectors on surface grids are obtained through a user-defined function, the deposition layer thickness distribution characteristics are obtained. And directionally moving the coordinates at different positions of the component along the normal direction by the distance of the deposition thickness to obtain coordinate values of the surface of the sediment, and sequentially reconstructing the obtained coordinate point clouds into a polygonal mesh surface and a geometric model to obtain the geometric morphology of the reconstructed deposition layer. Therefore, the comprehensive cooling efficiency and attenuation characteristics of the ceramic-based composite material air film cooling structure under the influence of the deposited particles can be accurately calculated by simulating and analyzing the influence of the deposited layer on parameters such as flow characteristics and temperature distribution on the wall surface.

The invention relates to a workbench device and a machine tool. The workbench device comprises a base; the supporting part is arranged on the base, the supporting part is provided with a supporting surface, and the supporting surface is used for being in contact with a supported piece so as to support the supported piece; and at least one of the base and the supporting part is provided with the purging structure, and the purging structure is used for being communicated with an external air source so as to purge impurities on the supporting surface through the purging structure. By means of the technical scheme, the problems that in the related technology, dust particles, metal chippings and other impurities are gathered on the supporting face of the supporting part, abrasion of the supporting face is aggravated, the stability of positioning and supporting is reduced, and the machining quality of a workpiece is affected can be solved.

The utility model discloses an energy-saving type dust micro-power grading purification and recovery device which is formed by combining a dust particle settling box (4), a filtering dust removal purification box (5), a dust discharge port (7), a dust hopper (8), an electric dust discharge valve (9) and supporting legs (10). A dust-containing airflow inlet (1) is formed in the upper part of the dust particle settling box (4), and an air supply outlet (2) is formed in the outer side of the lower part of the dust particle settling box (4); a purified gas outlet (3) is formed in the top of the dust particle settling box (4), and a composite filtering assembly (6) is arranged on the upper portion in the dust particle settling box (4). According to the utility model, the combined action of multiple acting force fields such as gravity, inertia force, collision action, Brown diffusion, coagulation action and retention action is utilized to realize micro-power sedimentation, filtration, dust removal and graded purification of dust of the mine crushing system, and the dust removal device has the advantages of high dust removal efficiency, low energy consumption, low operating cost, simple structure and convenience in installation; the dust removal efficiency is greatly improved, the comprehensive dust control and removal effect is remarkable, and the energy-saving effect is remarkable.

A method for predicting the unsteady filtering efficiency of a dry-type filtering dust removal system comprises the following steps: calculating the filtering efficiency of single particles according to the particle capturing efficiency caused by the free diffusion effect, the direct interception effect and the inertial collision effect of dust; constructing a relation model between the dust layer filtering efficiency and the unit layer filtering efficiency; constructing a relation model among the unsteady filtering efficiency, the fiber layer filtering efficiency and the dust layer filtering efficiency of the dry type filtering dust removal system; according to the law of conservation of materials, constructing a relation model between the unsteady filtering efficiency and the filtering time when the dust layer thickness is specific; according to the particle size distribution percentage, constructing a relation model between the unsteady-state filtering efficiency of the single-particle-size dust particles and the unsteady-state filtering efficiency of the multi-dispersed-phase dust; and based on the obtained relation model, obtaining an unsteady-state filtering efficiency prediction formula of the dry-type filtering dust removal system. According to the method, the universality and accuracy of the method for predicting the unsteady filtering efficiency of the dry-type filtering dust removal system can be improved.

The invention relates to spraying equipment for preventing and controlling atmospheric pollution in the field of spraying devices, and through a plurality of nozzles mounted on a rotating ring and an inserting cylinder driven by an electric push rod, the nozzles are quickly replaced, the spray particle size is quickly and accurately adjusted, and the mode of manually replacing the nozzles is replaced; the spray particle size adjusting efficiency and accuracy are improved, the requirement of low-temperature weather for the fog drop particle size is met, fog drop icing is delayed, and the dust adsorption capacity of fog drops at the low temperature is improved; meanwhile, the spray particle size is detected in real time through a laser particle size instrument arranged on the front side of the air blowing cylinder, and when it is found that the spray particle size does not meet the requirement, early warning is given out in time to remind an operator to conduct maintenance, and waste of sedimentation liquid is reduced; in addition, by arranging a heating sleeve and a heat exchange pipe, the sedimentation liquid is preheated and heated in winter, the freezing speed of the fog drops is further delayed, the dust particle adsorption effect of the fog drops is improved, and energy is saved.

The invention discloses a medical non-woven fabric fallen flocculus detection device, and belongs to the technical field of non-woven fabric fallen flocculus detection, the medical non-woven fabric fallen flocculus detection device comprises a detector main body, the detector main body comprises an operation cabinet and a twisting box arranged on one side of the operation cabinet, and a twisting device for twisting and compressing a sample is assembled in the twisting box; an air collector for collecting air in the test period is arranged below the twisting device, a laser dust particle counter is arranged in the operation cabinet, and one end of the air collector is connected with the laser dust particle counter through a hose; through the arranged shaking unit and the arranged shifting unit, in the process that a sample is distorted and compressed through the distorting device, a force storage piece is gradually driven by a pushing piece to store force and release the force in the recovery process, a sample shaking piece is impacted through an impacting part, the sample shaking piece is made to move upwards, and the recovered sample is collided; therefore, the particles in the wrinkled gaps can be vibrated out and then can be pulled away.

The invention relates to the technical field of filtering devices, and discloses a dust filtering device for thermal power generation waste gas treatment, which comprises a base, a bracket is arranged at the top of the base, a dust removal mechanism is arranged at the top of the bracket, an air pipe fixedly communicates with the top of the dust removal mechanism, and a dust collection bin is fixedly connected to the bottom of the dust removal mechanism. A liquid spraying device is fixedly arranged at the top of the base, a stirring mechanism is arranged in the liquid spraying device, the front face of the liquid spraying device is communicated with a waste material box, an exhaust pipe is fixedly communicated with the top of the waste material box, and the dust removal mechanism comprises a tank body, an air inlet, a material guide plate, an impeller, a scraping plate, an activated carbon filter plate and an air outlet pipe. According to the present invention, with the device, the problem that the treatment efficiency is reduced due to the influence on the gas output due to the blockage of the activated carbon filtration plate due to the excessive accumulation of the smoke dust particles can be effectively prevented, the service life of the activated carbon filtration plate is effectively prolonged, the replacement frequency is reduced, and the maintenance cost is reduced.

The invention belongs to the technical field of extrusion molding equipment, and particularly relates to an extrusion molding machine for producing woven bag materials by using waste plastics. Comprising a screw extruder, a feeding port of the screw extruder is fixedly communicated with a draining barrel, a discharging barrel is arranged above the draining barrel, the discharging barrel is fixed through a support, the side wall of the discharging barrel is fixedly communicated with a discharging pipe, and an electronic valve is arranged on the discharging pipe; through one-time pressing, PP plastic particles can be thoroughly separated from dust particles and PVC plastic particles, and the separated PP plastic particles can be used for recycling and production of woven bag materials; according to the device, substances such as PP, PVC and dust can be effectively separated and discharged while being separated; according to the device, particles such as PVC and dust can be collected and treated, so that water is conveniently recycled; meanwhile, it is guaranteed that PP plastic particles entering the screw extruder are in a dry state, and the bubble problem of extruded particle finished products is avoided.

The invention discloses a simulation lunar dust excitation speed measurement system and method under a vacuum plume action condition, and relates to the technical field of aerospace engineering, and the system comprises a vacuum chamber and thruster system, an image collection assembly, a synchronous control collection system, a pulse laser light path, a high-speed spotlight, and a simulation lunar surface. In the invention, two optical systems of particle image velocity measurement and particle tracking velocity measurement are integrated in the same experiment, and the 532nm optical filter and the light trapping sheet are configured to realize compatibility of optical requirements, so that the problems that lunar dust particles with different scales and velocities cannot be measured synchronously and the optical systems interfere with each other in the prior art are solved; according to the method, velocity field data of micron-sized high-speed small particles and millimeter-sized low-speed large particles can be synchronously obtained and directly correspond to each other, the measurement integrity and reliability are improved in combination with simulation environment and synchronous control, and accurate data support is provided for spacecraft lunar dust prevention design.

The automatic cleaning system comprises a moving mechanism, a cleaning mechanism and a film covering mechanism, the moving mechanism is located on a conveying roller way and moves along the conveying roller way, the cleaning mechanism and the film covering mechanism are sequentially installed on the moving mechanism and face the conveying roller way, and the cleaning mechanism comprises a winding roller set and a cleaning adhesive tape. The cleaning adhesive tape is wound on the winding roller set and wound along with the movement of the carrier plate glass, and the cleaning adhesive tape is used for sticking dust on the carrier plate glass; and the film covering mechanism is used for pasting a protective film on the carrier plate glass. In the process that the carrier glass is conveyed by the conveying roller way, the device moves forwards reversely along the conveying roller way, the cleaning adhesive tape is attached to the carrier glass all the time, and fine dust adheres away along with conveying of the carrier glass; and the winding roller set is arranged so that the used adhesive tape can be wound up, the adhesive tape stained with dust particles is prevented from making contact with the carrier plate glass, dust is prevented from adhering to the roller way again, and automatic film covering can be completed while automatic cleaning is completed.

The utility model discloses a desulfurization device with angle-adjustable guide plates, which relates to the technical field of desulfurization devices, and comprises a desulfurization tower main body, the lower part of the desulfurization tower main body is provided with a smoke inlet, the desulfurization device drives a gear II and a driving rack through a self-cleaning guide mechanism and a starting motor so as to drive a plurality of guide plates to synchronously turn over, so that the guide plates can be synchronously turned over. When cleaning is needed, the first telescopic rod can be started to drive the movable frame to move and drive the scraping plate and the cleaning rod to move in a transmission mode, smoke impurities and dust particles on the flow guide plates are cleaned and scraped, and therefore the cleaning effect is improved. The influence on normal use of equipment due to blockage of a flue gas guide channel between the adjacent guide plates after long-term use is avoided, and the practicability is higher; and through a recovery plate, a telescopic rod II and a push plate, desulfurizer particles screened out from the flue gas can be pushed to a guide pipe and flow back into a desulfurizer pipe for reutilization.

The invention discloses a rapid cooling combined spliced steel structure welding device and method, and belongs to the field of steel structure welding. The invention discloses a rapid cooling combined spliced steel structure welding device which comprises a welding table and a welding assembly arranged on the welding table. According to the rapid cooling combined spliced steel structure welding device, a first motor is started to control a first two-way screw to rotate, so that two clamping plates are close to each other, abutting rods on the clamping plates slide towards the interior of a sealing barrel, piston blocks are pushed to extrude air in the sealing barrel, and the air in the sealing barrel is conveyed into cavities of the clamping plates through air conveying pipes; according to the clamping device for the steel structural component, gas is continuously sprayed out from the spraying holes, dust particles on the two sides of the steel structural component are removed in advance, and when the two clamping plates are attached to the steel structural component, clamping and fixing can be completed, so that in the clamping process of the steel structural component, dust can be removed in advance, and the clamping effect can be better; and the welding process of the steel structural component is more stable.

The invention provides an intelligent dust remover control method and system based on electrostatic adsorption. The method comprises the following steps: acquiring dust concentration, temperature and humidity and particulate matter impedance spectrum data of a working environment, screening key measurement points, applying an alternating electric field to obtain an impedance phase difference map, performing frequency spectrum consistency verification on the impedance phase difference map and the impedance spectrum data after temperature and humidity compensation, and calculating conductivity discrimination parameters of dust with different particle sizes; deploying a parallel metal plate adsorption array containing an insulating dielectric layer, and adjusting the plate spacing to change the electric field intensity; generating a resistivity space distribution thermodynamic diagram based on the conductivity discrimination parameters, and cooperating with drive board spacing adjustment and voltage output according to the resistance gradient change of the insulation and conductive dust gathering area and the migration path; and a measurement point location screening strategy is updated in combination with the spacing adjustment amplitude and the voltage change rate, and the impedance spectrum precision is optimized. Precise identification of insulation and conductivity multi-mode dust and dynamic electric field self-adaptive adsorption are achieved, the dust removal efficiency of a complex environment is improved, and energy consumption is reduced.

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.