4919 results about "Dust abatement" patented technology

A batch feeding-based multi-stage screening device for granular materials, comprising a housing (1). A quantification assembly (2) is installed at the top of the housing (1), a dust removal assembly (3) is installed outside the housing (1), and an anti-blocking assembly (6) is installed inside the housing (1); the dust removal assembly (3) comprises a mounting plate (305) and a fixed column (304); the mounting plate (305) and the fixed column (304) are both fixedly connected to the outside of the housing (1), a rack plate (306) is slidably connected to the outer surface of the mounting plate (305), a movable rod (311) is fixedly connected to the bottom end of the rack plate (306), a rubber piston (312) is fixedly connected to the bottom end of the movable rod (311), and a filter box (301) is fixedly connected to the outside of the housing (1). A large amount of dust on the surface of rice grains can be adsorbed, filtered and removed by means of the dust removal assembly, thereby improving the quality of rice.

The invention discloses dust removal equipment for dust explosion prevention and a dust removal method thereof, and relates to the field of dust removal equipment.The dust removal equipment comprises a dust removal box, a plurality of dust removal cloth bags in the dust removal box and a treatment mechanism for dust explosion prevention, the treatment mechanism is composed of a gas mixing assembly, a scraping assembly and a vibration assembly, and a filter bag top frame is connected with a vibration pipe frame through the vibration assembly; the gas mixing assembly is communicated with the dust removal box through a gas inlet pipe, the gas mixing assembly is used for mixing dusty gas and inert gas and preliminarily removing large-particle dust, and the scraping assembly is arranged below the gas mixing assembly and scrapes the filtered large-particle dust; and the vibration assembly is used for periodically vibrating the dust removal cloth bag after the scraping assembly is detached so as to remove fine dust attached to the inner wall of the dust removal cloth bag. Inert gas is introduced and fully mixed before entering the dust removal box, and primary large-particle dust is filtered, so that the oxygen concentration is reduced, and dust explosion is effectively prevented.

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 utility model discloses a dedusting and anti-blocking device in a central air-conditioning ventilating duct, which comprises a central air-conditioning ventilating duct body, an air inlet and an air outlet are arranged on the central air-conditioning ventilating duct body, a filter plate is mounted in the central air-conditioning ventilating duct body, the filter plate is arranged in an inclined manner, and the air inlet and the air outlet are communicated with the central air-conditioning ventilating duct body. A wiping brush plate is mounted in the central air conditioner ventilation pipeline body through a guide assembly, according to the device for dust removal and blockage prevention in the central air conditioner ventilation pipeline, by means of the obliquely-arranged filter plate, after dust is blocked, some dust can easily fall down under the action of gravity, dust collection is facilitated, the knocking vibration assembly is arranged, and the dust removal and blockage prevention effects are achieved. A worker pulls a top check block by a certain distance and then loosens the top check block, under the elastic action of a reset spring, a knocking rod moves downwards and knocks a filter plate, the filter plate is vibrated and knocked, dust blocked on the surface can be effectively shaken off, and therefore the effect of rapidly cleaning the dust can be achieved.

The invention relates to the technical field of safety and environmental protection, in particular to a negative-pressure circulating explosion-control dust removal method suitable for combustible dust places, which comprises the following steps: firstly, sealing a bin body and injecting carbon dioxide-nitrogen inert gas to generate a low-oxygen environment; then, a flow guide angle-adjustable cyclone separator, a dielectric barrier discharge plasma reactor and a waste heat thermo-acoustic transducer are driven to cooperatively capture dust, and sound node amplitude synthesis capture data are obtained through compressed sensing of a microphone; inputting the environment data and the capture data into a reinforcement learning process containing a micro-thermochemistry model, and outputting instructions for adjusting negative pressure pulse, inert flow, sound field intensity and cyclone geometry; in combination with distributed radio frequency imaging data, an adversarial digital twinborn model is generated to predict explosion free energy, and automatic rollback or shutdown is carried out when the explosion free energy exceeds a threshold, so that a safe, efficient and low-energy-consumption closed loop is formed.

The invention relates to the technical field of dust removal and desulfurization equipment, and discloses environment-friendly dust removal and desulfurization equipment which comprises an outer barrel, and a separation barrel is fixedly mounted at the bottom end of the interior of the outer barrel. According to the environment-friendly dust removal and desulfurization equipment, the separation barrel is arranged at the bottom end of the interior of the outer barrel, and the interior of the outer barrel is divided into an inner part and an outer part through the separation barrel; the interior is an impurity separation and collection area, the exterior is a clean circulating liquid flowing area, a stirring wheel at the bottom rotates to drive liquid and impurities to rotate together to generate centrifugal force, and under the action of the centrifugal force, the liquid and the impurities in the interior are driven to rotate together and are attached to the interior of a filtering ring net on the side face; in this way, impurities are separated out, liquid can flow to the outside of the separation barrel through the filtering ring net to be used for follow-up circular flow, the cleanliness of the recycled liquid can be improved, and the service life of the circulating pump can be prolonged.

The invention provides a self-adaptive regulation and control method and system for a storage environment of ancient fossils, and relates to the technical field of environment regulation and control. The method comprises the following steps: acquiring pollution gas concentrations, bacterium concentrations and dust concentrations at a plurality of preset positions in a storage environment; determining whether a ventilation mode, a sterilization mode or a dust removal mode is started in the next regulation and control cycle; if the ventilation mode is started in the next regulation and control period, the ventilation demand duration is determined; obtaining internal temperature data and internal humidity data; acquiring external temperature data and external humidity data; obtaining the working power of the regulation and control system; determining whether the working power of the regulation and control system in the next regulation and control period needs to be regulated or not; determining the working power of the adjusted regulation and control system; and setting the working power of the regulation and control system as the adjusted working power of the regulation and control system. According to the invention, the working power of the regulation and control system can be accurately regulated by starting the ventilation mode, and the stability of the ancient fossil storage environment is improved.

The invention relates to the technical field of underground dust removal and ventilation, in particular to an underground driving working face ventilation and purification device and a use method.The underground driving working face ventilation and purification device comprises an air duct, a detection frame is arranged at the top of the air duct, a sensing system is arranged outside the detection frame, and a dust collection unit is arranged in an inner cavity of the air duct; compared with an existing ventilation and purification device for the driving working face, when air suction is conducted on the driving working face through an air duct, the head-on collecting assembly can accelerate the air suction speed of the air duct, on the other hand, the head-on collecting assembly can be close to the area, with large dust, of the driving face, accurate suction is achieved, and the dispersion speed of dust is reduced; dust in the air is removed from the underground driving working face through the atomization dust removal assembly; the head-on collecting assembly is close to the heading face of the dust raising position and assists the air duct in adsorbing and discharging air.

The invention discloses a house building construction dust removal device which is applied to the technical field of house building construction and comprises a dust removal mechanism, the dust removal mechanism comprises a shell assembly, and when the house building construction dust removal device is used, the device is preferentially placed on a needed platform. And when spraying dust removal needs to be carried out in a near range, rotation of an adjusting ring is achieved by rotating a rotary knob, and the angle of a spray head can be adjusted. The angle of the spray head can be adjusted and changed, so that the range of the device is changed, the diameter of a sprayed cylinder is expanded, and the spray head is adjusted to be in a state of gathering towards the center when the fan blades need to be matched for remote spraying subsequently, so that the spray head can be matched with air blowing of the fan blades for spraying. Through the arrangement, different use angles of the spray head can be expanded to achieve different spraying effects, so that the use flexibility of the dust removal device is improved, and the use limitation is reduced.

The invention discloses a gravel aggregate dust removal device, and relates to the technical field of dust removal equipment. Comprising a shell; the dust inlet is formed in the side wall of the shell; the filtering assembly is arranged in the shell, and the dust inlet is communicated with the filtering assembly; the spraying water tank is arranged in the shell, and the filtering assembly is communicated with the spraying water tank; the spraying plate assembly is arranged in the spraying water tank; the air outlet box is arranged on the side wall, away from the filtering assembly, of the spraying water tank, and the air outlet box communicates with the spraying water tank; the air outlet is formed in the top of the shell and communicates with the air outlet box. The filtering assembly comprises a filtering box arranged in the shell, a filtering conveying belt is arranged in the filtering box in a penetrating mode, and the two opposite side walls of the filtering box communicate with the dust inlet and the spraying water tank correspondingly; the spraying plate assembly comprises a partition plate horizontally arranged in the spraying water tank, and a spraying head is arranged above the partition plate. The device has the advantages that the contact area between dust and purified water is increased, the contact time between dust and purified water is prolonged, and the dust removal effect is improved.

The utility model relates to the technical field of dust removal equipment, and discloses a slag removal device for a laser cutting platform, which comprises a rack and a serrated support table, the serrated support table is positioned in the rack, a collecting frame is arranged in the rack, chutes are formed in the inner walls of the two sides of the collecting frame, and the serrated support table is positioned in the rack. Driving mechanisms are arranged in the two sliding grooves correspondingly, and a brush is arranged in the collecting frame. According to the laser cutting platform, through the arrangement of the collecting box, the brush, the air blower, the filter screen and activated carbon, residues attached to the sawtooth-shaped supporting table can be conveniently cleaned, smoke dust generated when the laser cutting platform works can be conveniently adsorbed and filtered, the influence of the residues and the smoke dust on equipment is avoided, and the service life of the equipment is prolonged; and through the arrangement of a connecting rod and a driving mechanism, a brush and a collecting box are conveniently driven to move, residues attached to the sawtooth-shaped supporting table are cleaned, and smoke dust generated when the laser cutting platform works is adsorbed and filtered.

The invention relates to an intelligent induction type cable quick connector plugging method, which comprises the steps of removing noise and errors in dust particle data through a signal processing module, constructing a first data set by adopting a Kalman filtering algorithm in combination with the processed dust particle data and ambient air pressure data, and storing the first data set according to a predefined format; by acquiring an output result of the particle swarm optimization model, analyzing to obtain a motion trend and concentration change of dust, monitoring an insulation state of the cable joint in real time through an insulation state sensor of the dust removal instrument, and constructing a second data set in combination with the motion trend and concentration change of dust particles and the insulation state of the cable joint; obtaining the working intensity of the dust removal instrument through a fuzzy logic controller in the dust removal instrument; according to the insulation state of the cable joint, judging whether the insulation performance of the cable joint reaches a safety standard; and collecting real-time plugging data in the plugging process, and evaluating the accuracy and safety of the plugging operation by analyzing the real-time plugging data.

The invention relates to the technical field of dust removal, temperature reduction and cooling, and discloses an intelligent water mist dust removal, temperature reduction and cooling control method and system fused with machine vision, and the method comprises the steps: collecting and fusing image data through a multi-mode visual perception module, and recognizing a key region; constructing a neural ejection field by using an implicit neural representation technology; developing a water mist diffusion prediction model based on the conditional generative adversarial network; pID control and reinforcement learning are combined to realize parameter adaptive optimization; visualizing a preview effect by adopting a neural rendering technology; according to the system, accurate identification and positioning of a dust high-temperature area are achieved, the water resource utilization rate and the cooling speed are improved, centimeter-level spraying precision is achieved, control delay is reduced, energy consumption is reduced, and the technical problems of blind spraying, inaccurate control and response lag of a traditional system are solved.

The invention relates to the technical field of environment-friendly production equipment control, and discloses a multi-equipment cooperative dust removal control system for an environment-friendly production line. The system comprises a dust data acquisition module for acquiring and dividing operation data flow of production line equipment; the dust state reconstruction module is used for generating a dust and airflow distribution situation map; the dedusting efficiency evaluation module is associated with the situation map to determine a dedusting level; the regulation and control strategy generation module is used for matching control strategies; and the cooperative control unit performs bidirectional verification to generate a cooperative dust removal instruction. The system is also provided with an industrial communication gateway for realizing protocol interaction, an equipment linkage module for optimizing a dust removal process, an instruction issuing module for controlling equipment operation, and a data archiving module for storing data and generating a record chain. The system can comprehensively collect dust data, accurately evaluate the dust removal efficiency, efficiently cooperate with multi-equipment dust removal, improve the dust removal effect and management level of an environment-friendly production line and reduce energy consumption, and has a good application prospect.

The invention relates to the technical field of photovoltaic grid-connected cabinets, and discloses a dehumidification and dust removal photovoltaic grid-connected cabinet for an outdoor environment, which comprises a dehumidification and dust removal photovoltaic grid-connected cabinet body, the bottom of which is provided with an installation part. The mounting component comprises supporting legs arranged on the bottom surface of the dehumidification and dust removal photovoltaic grid-connected cabinet body, a base arranged at the bottoms of the supporting legs, sliding rails arranged on the inner wall of the base and rolling wheels arranged at the bottom ends of the supporting legs, the sliding rails are arc-shaped guide rails, the rolling wheels slide in the sliding rails, the number of the supporting legs is multiple, and the supporting legs are arranged on the bottom surface of the dehumidification and dust removal photovoltaic grid-connected cabinet body. The number of the rollers corresponds to that of the supporting legs; the mounting component further comprises control assemblies arranged on the supporting legs, and the rollers can be controlled to be prevented from rotating through the control assemblies. The installation part further comprises a fixing assembly arranged at the bottom of the dehumidification and dust removal photovoltaic grid-connected cabinet body, and the dehumidification and dust removal photovoltaic grid-connected cabinet body can be fixed to the ground through the fixing assembly. According to the dehumidifying and dedusting photovoltaic grid-connected cabinet for the outdoor open-air environment, the problem of foundation adjustment when an existing photovoltaic grid-connected cabinet is installed on the inclined ground is effectively solved, the construction process is simplified, the environmental influence is reduced, and the installation efficiency and safety are improved.

The utility model provides a dustproof mechanism and a gluing machine thereof, and relates to the technical field of gluing machines, the dustproof mechanism comprises a rack, a conveyor belt, a splicing type dustproof cover, a vacuum pump, an air inlet window, a dustproof filter screen, a lifting type shielding piece, a dustproof gluing roller and a feeding dust removal mechanism, the splicing type dustproof cover is used as an external dustproof cover, the dustproof gluing roller is shielded, and the dust removal mechanism is arranged on the dustproof mechanism. To-be-glued raw materials are subjected to wind blowing dust removal through the feeding dust removal mechanism at the feeding end of the conveying belt, the to-be-glued raw materials subjected to dust removal enter the splicing type dust cover from the feeding and discharging gap, the lifting type shielding pieces on the front side and the rear side of the splicing type dust cover descend to shield the feeding and discharging gap, and external dust entering is reduced; and the vacuum pump is started to discharge dust entering the spliced dust cover due to feeding in time, cleaner air is introduced, and the amount of dust adhering to the surfaces of the gluing roller body and the to-be-glued raw materials is greatly reduced.

According to the low-resistance and low-leakage bag type dust collector provided by the utility model, the air inlet main flue is directly arranged in the middle box body of the dust collection module unit, and is directly perforated to serve as a branch air inlet to enable flue gas to enter the filter chamber, so that a complicated external flue structure in the traditional design is reduced, the resistance of the flue gas in the transmission process is reduced, and the dust collection efficiency is improved. Meanwhile, the heat loss of the flue is reduced; the top of the flue gas chamber is provided with a mounting hole convenient for the cloth bag assembly to enter and exit, the side wall is provided with a manhole door convenient for entering the inside for maintenance, and other openable structures are not arranged any more, so that the leakage rate is reduced, and low-temperature gas invasion is reduced to the greatest extent. Smoke at the outlet of the cloth bag assembly directly flows into the flue gas chamber and then flows out of the smoke outlet connector, and smoke resistance is reduced. The guide shutter mechanisms are arranged at the branch air inlets, smoke can be guided, smoke resistance can be reduced, smoke speed reduction and particulate matter sedimentation are achieved, and the situation that smoke carries large-particle dust to abrade a cloth bag, sparks burn the bag and the like is prevented.

The invention discloses an intelligent dust fall device for a building construction site, and belongs to the technical field of dust removal equipment.The intelligent dust fall device for the building construction site comprises a dust fall mounting box, a detachable water flow pushing mechanism is mounted on one side of the dust fall mounting box, and a linkage mechanism is arranged below the dust fall mounting box; a spraying adjustable mechanism is arranged below the linkage mechanism; a torrent mounting plate is fixedly mounted in the dust fall mounting box, and a plurality of groups of circulating grooves are uniformly and fixedly connected to the circumference of the lower end of the dust fall mounting box; a mounting column is fixedly mounted at the lower end of the spraying adjustable mechanism, a supporting frame is fixedly connected to one side of the mounting column, and reinforcing ribs are fixedly connected to the supporting frame. By arranging the spraying adjustable mechanism, water mist generated by the atomizing nozzle is pushed to be more uniformly diffused all around, the dust falling coverage range is expanded, and by designing the air spraying pipelines with different angles, the collision opportunity of dust and the water mist is increased, and the probability that the dust is adsorbed by the water mist is improved.

A method for predicting unsteady filtering resistance of a dry type dust removal system comprises the following steps: constructing a loading fiber layer filtering resistance model by utilizing the pressure loss of a fiber collecting body; constructing a relation model between the resistance on the cleaning fiber and the resistance acting on the loaded fiber trapping body; constructing a relation model among the diameter change rate of the fiber capturing body, the filtering efficiency and the filtering time parameter; the influence of particle deposition non-uniformity is eliminated through an integral method, and a loading fiber layer filtering resistance model is solved; according to the Darcy law, constructing a relation model among the filtering resistance, the dust layer thickness and the dust layer permeability coefficient when the dust-containing airflow flows through the dust layer; a dust layer filtering resistance model is constructed and solved through the equivalent relation between the deposited dust mass and the captured dust mass; and based on the fiber layer filtration resistance model and the dust layer filtration resistance model, obtaining an unsteady state filtration resistance prediction model of the dry dust removal system. According to the method, the accuracy and practicability of unsteady filtering resistance prediction can be improved.

The invention discloses an efficient wet-type cyclone dust collector with dust falling and carbon sequestration functions. The efficient wet-type cyclone dust collector comprises a dust collection chamber with a closed structure, a microorganism culture chamber, a water purification chamber and a sewage chamber, the front end and the rear end of the dust removal chamber communicate with the outside through an air inlet pipe and an air outlet pipe correspondingly, and an axial flow fan and a cyclone separator are fixedly arranged in the dust removal chamber. A microorganism culture tank is arranged in the microorganism culture chamber and comprises a liquid inlet, a liquid outlet, a stirring mechanism and a cleaning mechanism. According to the efficient wet-type cyclone dust collector with the dust falling and carbon sequestration functions, through mutual cooperation of all the parts, a microbial dust removal technology is integrated on the basis of an existing wet-type dust removal technology, energy consumption can be reduced, the dust treatment effect can be improved, greenhouse gases such as carbon dioxide can be captured and fixed, and the dust falling and carbon sequestration functions are achieved. Therefore, air pollution is reduced, the comprehensive energy utilization efficiency of the dust removal system can be improved, and a more environment-friendly and energy-saving solution is provided for the industrial production process.

The invention relates to the technical field of plate polishing, and provides a polishing device for decorative plate production, which comprises a frame body, a dust removal cover body is arranged on the frame body, a plate body input channel and a plate body output channel are oppositely formed in the dust removal cover body, and a polishing conveying assembly is arranged in the dust removal cover body and is used for polishing a plate body; the top of the dust removal cover body is communicated with a dust discharge pipe; the number of the dust overflowing prevention assemblies is two, and the dust overflowing prevention assemblies are arranged in the plate body input channel and the plate body output channel correspondingly. According to the decorative plate polishing device, the dust overflowing prevention assemblies are arranged in the plate body input channel and the plate body output channel correspondingly, and the gap air inlet design between the channels and the plate body is combined, so that the dust overflowing probability at the gap of the channels is reduced when the plate body passes through; the technical problem that the working environment is affected due to the fact that dust easily overflows when a polishing device in the related technology polishes a plate body is solved.

The invention relates to the technical field of energy utilization and energy conservation and emission reduction, and discloses a sludge incineration tail gas treatment system and an energy storage heat exchanger. The system comprises a tail gas purification module, a carbon capture and solidification module, a circulating power generation module, an air dehumidification heat pump module and a cascade energy storage module. The tail gas purification module is used for sequentially carrying out particulate matter filtration, desulfurization, electrostatic dust collection and denitration treatment on tail gas discharged by the incinerator; the carbon capture and solidification module is used for collecting CO2 in the tail gas through a temperature swing adsorption and low-temperature cooling technology; the circulating power generation module is used for converting low-grade waste heat in the tail gas into electric energy through an organic Rankine cycle technology; the air dehumidification heat pump module is used for dehumidifying and preheating air entering the incinerator; the stepped energy storage module is used for conducting graded recovery and management on waste heat of different temperature zones in tail gas in the purification process. According to the system, various pollutants in the tail gas are efficiently removed, and waste heat of different temperature grades is recycled and utilized in a graded mode.

The utility model provides an environment-friendly treatment system for flue gas of a blast furnace hot blast stove. The environment-friendly treatment system comprises a desulfurization assembly, a dust removal assembly, an induced draft fan, a smoke exhaust piece, an ash conveying assembly, an ash collecting assembly and a back flushing pipeline, the desulfurization assembly is communicated with the input end of hot-blast stove flue gas, the desulfurization assembly is used for desulfurizing the hot-blast stove flue gas, the desulfurization assembly, the dust removal assembly, the induced draft fan and the smoke exhaust part are sequentially connected in series through a pipeline, a dust removal pneumatic butterfly valve is arranged between the desulfurization assembly and the dust removal assembly, and a reverse blowing switching valve is arranged between the dust removal assembly and the induced draft fan; the ash conveying assembly is communicated with a nitrogen gas source, the ash conveying assembly is communicated with a dust outlet of the dust removal assembly, and the ash collecting assembly is communicated with the ash conveying assembly; the reverse blowing pipeline is communicated with the induced draft fan and the reverse blowing switching valve, and a reverse blowing pneumatic butterfly valve is arranged on the reverse blowing pipeline. According to the utility model, a nitrogen pulse back flushing technology is not used for back flushing, so that the filtering cost can be greatly reduced.

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 utility model discloses a dust removing and sticking device for polaroid processing, which relates to the technical field of polaroid processing dust sticking and comprises a support frame, a conveying unit is arranged on the inner side of the support frame, a dust sticking unit is arranged on the top surface of the support frame, a dust blowing unit is arranged on the top surface of the dust sticking unit, and the dust sticking unit comprises a mounting frame. The mounting frame is fixedly connected to the inner side of the top face of the supporting frame, the scraping and cleaning unit is arranged on the inner side of the mounting frame, the scraping and cleaning unit comprises a mounting groove, the mounting groove is formed in the inner side of the mounting frame, and a dust collection box is slidably connected to the inner side of the mounting groove. According to the polaroid dust sticking device, through the arrangement of the mounting groove, the dust collecting box, the telescopic rod, the third spring, the attaching block and the scraping plate, the effect of conveniently scraping and cleaning dust stuck to the dust sticking roller is achieved, the working efficiency of polaroid dust sticking is improved, meanwhile, the dust is conveniently cleaned, and meanwhile the practicability of the device is improved.

The invention relates to the field of dust removal, and discloses a woodworking central dust remover which comprises a dust remover body, a filter assembly and a dust removal assembly arranged in a filter bag, a dust removal cavity and a dust suction cavity are formed in the dust remover body, an air chamber valve is arranged between the dust removal cavity and the dust suction cavity, the air chamber valve separates the two cavities, an air inlet is formed in the side wall of the dust removal cavity, and an air outlet is formed in the side wall of the dust suction cavity; the linkage ash removal mechanism is constructed by arranging the supporting rods capable of expanding in the radial direction in the filter bag and the tightening ring connected to the bottom. The multiple supporting rods synchronously expand outwards under the action of high-pressure airflow to drive the tightening ring to be screwed, so that the filter bag structure is expanded and twisted to form a composite disturbance area covering the inner wall and the bottom, the dust attachment state is effectively destroyed, and the filter bag structure is particularly suitable for cleaning the bottom, wrinkles and other traditional areas difficult to clean.

The invention relates to the technical field of environmental protection, in particular to a spraying dust removal method, equipment and system. The spraying dust removal equipment comprises an outer cylinder and an adjusting mechanism, wherein a smoke inlet is formed in the lower part of the outer cylinder. The adjusting mechanism comprises an adjusting assembly and a plurality of turbulent balls. The adjusting assembly comprises a pull ring, a net bag and a driving unit. The smaller the initial dust air flow entering the smoke inlet is, the larger the upward moving stroke of the pull ring driven by the driving unit is, the upward moving of the pull ring drives the middle of the net bag to be further sunken downwards, the structure is convenient for weak air flow to preferentially pass through the periphery of the net bag with a small number of turbulent balls, effective turbulent washing is formed in the area, and the working efficiency is improved; and the normal operation and the dust removal effect of the equipment under low load are ensured. The invention provides a spraying dust removal method, equipment and a system, aiming at solving the problems that the dust removal efficiency is low and even the dust removal device cannot work when the flow of dust gas introduced into the existing dust removal device does not reach a preset dust gas flow range value.

The utility model provides a dust removal cleaning device for preventing and treating atmospheric environmental pollution, and relates to the field of atmospheric environmental pollution prevention and treatment. The dust removal cleaning device for atmospheric environmental pollution prevention and control comprises a filter bin, an air inlet is formed in the front end of the filter bin, an air suction port is formed in the rear end of the filter bin, the bottom of the filter bin is in through connection with a liquid drainage bin, and a fixing frame is rotationally connected to the center position in the filter bin. When the dust removal and cleaning device for atmospheric environmental pollution prevention and control is used, a filter bin filters air through an air inlet and an air suction port, filtered impurities are attached to the surface of the front end of a filter plate, at the moment, a servo motor drives a power wheel to rotate by a circle, the power wheel drives an adjusting wheel to rotate by 90 degrees, and the adjusting wheel drives a fixing frame to rotate; the fixing frame drives the filter plate to rotate, the side, attached with impurities, of the filter plate faces downwards, at the moment, the filter plate is in a horizontal state, meanwhile, the fixing frame drives the baffle to block the air inlet and the air suction port of the filter bin, and the waste gas blocking device has the advantage of blocking waste gas.

The utility model relates to the field of ore grinding equipment, in particular to ore grinding equipment with a dust falling structure, which comprises a bottom plate, supporting legs, a grinding box, a feeding pipe, a discharging pipe, a coaxial reversing assembly, a crushing and grinding assembly and a dust removing assembly, through cooperative work of the coaxial reversing assembly, the crushing and grinding assembly and the dust removal assembly, the integrated process of ore crushing, fine grinding and efficient dust removal is achieved, through combined operation of the coaxial reversing assembly, the crushing and grinding assembly and the dust removal assembly, the stability in the crushing and grinding process is guaranteed, the crushing effect is improved through reverse rotation, and the crushing efficiency is improved. The dust removal assembly removes dust generated in the whole process, cleanness of the working environment and health of operators are maintained, environmental pollution is effectively reduced, in addition, when the two rotating shafts rotate, the first crushing blade and the second crushing blade can cut ore in the opposite directions, and therefore strong shearing force is generated, and the crushing efficiency is improved. Therefore, the ore can be crushed more effectively and further refined.

The invention relates to the technical field of crucible dust collection, in particular to a dust collection structure for a neodymium iron boron sheet crucible slag removal procedure, which comprises a dust collection pipe, the upper part of the dust collection pipe is tubular, the lower part of the dust collection pipe is conical, and two spraying units which are symmetrically arranged left and right are arranged on the conical structure of the dust collection pipe; the rotatable water pipe is adopted to drive the spray pipes distributed in the circumferential direction to rotate synchronously, cooling water mist is continuously sprayed into the dust suction pipe through the two atomization nozzles on the spray pipes, active cooling is achieved, and the service life of equipment is prolonged; the rotating cylinder is adopted to drive the vortex-line-shaped pushing plate to rotate, raised dust is pushed outwards in the radial direction of the dust suction pipe through the outwards-protruding arc-shaped face of the pushing plate, dust is forced to be close to a spraying area quickly, the mixing efficiency of the raised dust and water mist is remarkably improved, the cooling effect is improved, and the dust removal efficiency is improved.