95 results about "Flour dust" patented technology

The invention relates to a fully-mechanized face multi-angle blowing-suction purification dust removal system and a dust removal method, and belongs to the technical field of coal mine dust treatment. Comprising a dust concentration sensor arranged on a hydraulic support and a linear dust remover arranged on a hollow interlayer of a chute baffle of the scraper conveyer. The dust concentration sensor detects the dust concentration of the coal face and transmits a signal to the control system, and the control system selectively opens and closes the dust remover at the corresponding position to achieve accurate dust removal. The linear dust remover forms an entrainment effect to suck dust generated by coal cutting of the roller of the coal mining machine, and the dust is purified. And meanwhile, a barrier is formed between the coal mining machine and the pedestrian side in manners of forming an air curtain, a water curtain, a fog gun and the like at the air outlet, so that untreated dust is prevented from diffusing to the pedestrian side for the second time. The device is simple in structure and convenient to mount, solves the problem of serious dust pollution of the fully-mechanized coal mining surface, and realizes source treatment of dust while preventing dust diffusion.

The utility model relates to the technical field of bag-type dust removers, in particular to a bag-type dust remover which comprises a shell, the top end of the shell is communicated with an exhaust port, a compartment rotation switching mechanism comprises six filtering chambers distributed in a honeycomb shape, and an air inlet pipe is fixedly connected to the lower portion of the outer wall of the shell. The control system controls and starts the corresponding pulse blowing pipes to blow downwards to form reverse airflow and strip a dust layer on the surface of the filter bag, the vibration motor drives the whole filter chamber to shake and shake off deep accumulated dust, the dust cleaning effect is good, the shaken-off dust is collected through the dust hopper, finally, the dust is discharged from the dust discharging pipe by opening the dust discharging valve, the pneumatic fluidization rod is started, the airflow enables the dust to be fluidized, and the dust cleaning effect is good. According to the invention, hardening and bridging are prevented, blockage of the ash hopper is avoided, manual knocking intervention is not needed, the safety is high, different filter chambers can be switched to enter a filter mode, and the other filter chambers sequentially enter an ash removal state, so that the device can work continuously without shutdown, and the working efficiency is improved.

The invention relates to the field of electrostatic dust collection, and discloses an electrostatic adsorption type dust collection device for a painting workshop, the electrostatic adsorption type dust collection device comprises a box body, and an exhaust hopper and an air inlet hopper which are fixedly connected to two sides of the box body, the bottom of the box body is fixedly connected with an ash hopper, a dust collection plate is arranged in the box body, and the front end of the dust collection plate is movably connected with a corona electrode through a connecting frame; a plate cleaning assembly for cleaning dust on the surface of the dust collecting plate is arranged inside and outside the box body; the plate cleaning assembly comprises a push rod slidably connected to the interior of the box body, the dust collecting plate is fixedly connected to the exterior of the push rod, a sliding rod is fixedly connected to the interior of the box body, the dust collecting plate is movably connected to the exterior of the sliding rod, and a cleaning and scraping unit is arranged outside the sliding rod; dust attached to the surface of the dust collecting plate is cleaned through the cleaning rod, and the dust is separated from the dust collecting plate and falls into the dust hopper in cooperation with swinging of the dust collecting plate.

The utility model relates to the technical field of spinning production, in particular to a filter screen filtering device for spinning production, which comprises a support, a positioning plate and a filter element plate, the support is integrally of an I-shaped structure, lateral through grooves are formed in transverse rods on two sides of the support, the positioning plate is mounted on the outer side of the middle of the support, and the filter element plate is mounted on the positioning plate. Side clamping plates are arranged at the upper end and the lower end of the positioning plate, limiting plates are clamped to the inner sides of the side clamping plates, extension plates are arranged on the sides, close to the positioning plate, of the limiting plates, filter element plates are clamped to the inner sides of the extension plates, embedding grooves are formed in the upper end and the lower end of each limiting plate, and the embedding grooves and the side clamping plates are mutually embedded; the problems that in the prior art, when a filter screen filtering device is used for filtering a spinning production environment, a filter element mode is adopted, dust generated in the production process is adsorbed, due to the fact that the phenomenon of filament flying easily occurs in the spinning process, filament flying can be attached to the surface of the filter element, dust cannot enter the filter element, and the filtering and absorbing effect is affected are solved.

The utility model relates to the technical field of explosion-proof ground rails, in particular to an explosion-proof ground rail convenient for dust cleaning, which comprises a ground rail main body, a movable bottom plate is arranged on the ground rail main body, a straight-tooth right-handed gear and a right-handed helical rack which are in meshing transmission are arranged at the bottom of the movable bottom plate, and a vertical plate is arranged at the bottom of the movable bottom plate. A rotating arm and a mounting plate are arranged on the front side plate face of the vertical plate, a connecting arm is rotatably mounted at the end of the rotating arm, a swing arm is rotatably connected to the mounting plate, the movable end of the connecting arm is rotatably connected to the middle of the swing arm, and a mounting support is fixedly connected to the tail end, away from the mounting plate, of the swing arm. According to the explosion-proof type ground rail structure, the cleaning brush which is originally fixedly installed is designed to swing back and forth, in the advancing process of the movable bottom plate, the cleaning brush can synchronously and comprehensively clean dust on the surface of the rack, and the dust cleaning efficiency can be improved.

The invention relates to the field of underground cavern group blasting construction, and particularly discloses an underground cavern group blasting construction working face dust control intelligent spraying method which comprises the steps that acoustic information and scene sequence images of a construction site are collected, and working face blasting construction procedures are obtained; after it is confirmed that blasting is completed on the construction site, real-time dust concentration space distribution information of the construction working face is obtained according to the scene sequence image; a spraying working position is determined according to the dust concentration space distribution information, and a navigation positioning system is used for autonomous navigation to reach the spraying working position; spraying parameters are determined according to the dust concentration space distribution information, and spraying work is started; the spraying effect is evaluated according to the real-time dust concentration space distribution information, and spraying work is stopped after the dust concentration control condition reaches the standard. The invention further provides a corresponding device. According to the method and the device, the dust concentration can be obtained in real time, and intelligent rapid dust falling autonomous operation can be implemented.

The utility model discloses a water injection device and bread machine relates to household appliance technical field, including box and lid, be equipped with container in the box, and the one side of container has the water tank of detachable installation in the box, and the water tank has the communicating pipe. The lid pivoted connection is in the top of box, and the lid has the annular setting water injection pipe, and the communicating pipe communicates the water injection pipe, and the water injection pipe is equipped with a plurality of water injection holes to the side wall of container, and a plurality of water injection holes interval setting along the length direction of water injection pipe. At the same time, along the radial of container, the water injection hole is close to the inner peripheral wall of container. When injecting water, water from the water tank enters the water injection pipe through the communicating pipe, and the water injection pipe injects water through a plurality of water injection holes arranged in a ring, thereby forming the annular water curtain close to the inner peripheral wall of container, can avoid the flour dust to lift and leave the container in the water injection process, reduces the raw material waste, reduces the flour accumulation in the box interior, to reduce the cleaning difficulty.

This utility model discloses a dust removal device for plastic film production, including a dust collection box. A drive box is fixedly connected to the rear of the dust collection box, and support plates are fixedly connected to both the left and right sides. A winding motor is fixedly connected to the dust collection box. Openings are provided on both the front and rear sides of the dust collection box, and sliding rods are fixedly connected to both openings. Sliding blocks are slidably connected to the sliding rods, and pressure rollers are rotatably connected between the two sliding blocks. Inlet and outlet ports are provided on both the left and right sides of the dust collection box, and guide rollers are rotatably connected to both inlet and outlet ports. A conductive rubber roller is rotatably connected to the center of the dust collection box, and an exhaust fan is fixedly connected to the bottom of the dust collection box below the conductive rubber roller. This utility model's dust removal device for plastic film production, through a specific structure, uses the conductive rubber roller as a dust collecting electrode to adsorb dust on the film, thereby completing the cleaning of dust on the film surface. Simultaneously, the exhaust fan removes dust from inside the dust collection box, improving the overall dust removal effect of the film.

The utility model relates to ultra -fine powder production technical field, concretely relates to a kind of grading device of ultra -fine powder dry grinder. Including machine body seat, the middle position of machine body seat upper side wall is fixed with powder outlet pipe, the inside of machine body seat is provided with grading assembly, the grading assembly includes the assembly pipe vertically fixed in the inside of powder outlet pipe, the upper end of assembly pipe is through powder outlet pipe side wall and extends out, the inside of assembly pipe is coaxially rotationally arranged with main shaft by bearing, the upper end of main shaft extends to the outside of assembly pipe and is provided with driving mechanism, and the driving mechanism is used to drive main shaft rotation. The utility model, through the combination of gland and inlay ring to form labyrinth seal structure, and in its inside filling high-temperature grease constitutes airtight sealing barrier, so that the dust in powder outlet pipe cannot invade assembly pipe inside through labyrinth seal structure, simultaneously in avoiding bearing surface dust accumulation, thereby significantly prolong the service life of bearing in dust environment.

The application provides a paperboard dust removal device of a paperboard printing machine, and relates to the technical field of printing machines, which comprises a base, a dust removal box arranged on the base, a mounting seat movably arranged on the base, a conveying assembly arranged on the base and used for driving the mounting seat to enter and exit the dust removal box, two holders movably arranged on the mounting seat, a combination and separation assembly arranged on the mounting seat and used for driving the two holders to combine with each other or separate from each other, a suction assembly arranged on the holder and used for adsorbing paperboard, and a pushing assembly arranged on the holder and used for pushing the paperboard, a dust removal assembly arranged in the dust removal box and used for cleaning dust on the surface of the paperboard, and a dust collection assembly arranged in the dust removal box and used for collecting dust; the paperboard dust removal device of the paperboard printing machine can comprehensively clean the two side surfaces of the paperboard, ensure the dust removal effect, prevent dust, paper scraps and other impurities attached to the paperboard from affecting the printing effect, and ensure the printing quality.

The invention relates to the technical field of power equipment safety and heat dissipation, and discloses a transformer wiring cavity structure integrated with a heat dissipation and explosion-proof module, which comprises a box body, a transformer winding, a one-way ventilation heat dissipation module and a dust blowing-off mechanism. The box body is provided with an air inlet window and an air outlet window, the air inlet window and the air outlet window are matched with the air inlet flashboard and the air outlet flashboard respectively to form a one-way sealing structure, and the one-way ventilation heat dissipation module drives air to flow directionally in a power-on state to achieve circulating heat dissipation in the wiring cavity and is automatically sealed in a power-off or fire state to prevent external oxygen from entering. Therefore, the combustion and explosion risks are reduced. The dust blowing-off mechanism is arranged in the box body, dust on the surface of the transformer winding is cleaned in a rotary blowing mode, and gas can be conveyed into the wiring cavity under the high-temperature or abnormal working condition so as to assist in cooling or restrain combustion. According to the invention, the functions of heat dissipation, dust prevention and explosion prevention are integrated, and the operation safety and reliability of the wiring cavity of the transformer can be effectively improved.

The utility model relates to effervescent tablet processing technical field, especially effervescent tablet packing clean use nozzle, including the material conveying platform, be equipped with the air jet nozzle mechanism for removing effervescent tablet surface dust on the material conveying platform, air jet nozzle mechanism includes the material conveying round roller of symmetrical setting at the both ends of material conveying platform, is provided with the punching conveyor belt between two material conveying round rollers, the outside fixed mounting of material conveying platform is used for driving material conveying round roller material conveying motor. The utility model discloses through setting air jet nozzle mechanism, adopts the double -channel nozzle design of'main airflow vertical cleaning + auxiliary airflow oblique air curtain', and high -pressure main airflow directly impacts effervescent tablet surface, can effectively peel off and attach dust, at the same time, low -pressure auxiliary airflow forms air curtain wall with 45 inclination, forces the dust that is blown apart directional movement along the oblique direction, then again combines the negative pressure collection of dust suction platform, can greatly reduce the re -adhesion rate of dust, greatly improved the cleaning effect.

The application discloses a mobile tunnel face dust migration blocking system, which comprises a single-end tunnel, a face, a compressed air system, an air extraction system, a mobile dust blocking instrument and a blocking instrument controller. The compressed air system is arranged on one side wall of the single-end tunnel and comprises a tunnel compressed air fan and a first air duct. The tunnel compressed air fan is connected with the first air duct, and the tail end of the first air duct is close to the face. The air extraction system is arranged on the other side wall of the single-end tunnel and comprises a tunnel extracted air fan and a second air duct. The tunnel extracted air fan is connected with the second air duct. The wind barrier generated by the mobile tunnel face dust migration blocking system can block the diffusion of the dust after blasting into the tunnel, improves the dust exhaust efficiency of the air extraction system after blasting, and effectively protects the physical and mental health of the face operators.

The invention belongs to the technical field of negative-pressure dust removal, particularly relates to a negative-pressure dust removal device for production of wood-plastic products for integrated houses, and provides the following scheme aiming at the problems that dust absorption is not ideal and a filter element is inconvenient to clean: the negative-pressure dust removal device comprises a machine base, and a mixing pipe is arranged at the top of the machine base; and one side of the mixing pipe is provided with a negative pressure dust removal mechanism used for absorbing dust on the surface of the wood-plastic product, and one side of the machine base is provided with a dust collection barrel. Through mutual cooperation of the adjusting assembly, the front dust collection assembly, the rear dust collection assembly and the auxiliary assembly, dust generated in the wood product machining process on the machining table can be rapidly and thoroughly collected, the dust collection range is wide, the cleanliness of the machining environment is guaranteed, and meanwhile, the machining efficiency is improved. By means of mutual cooperation of the cleaning auxiliary assembly, the dust removal assembly and the filter element part, a plurality of filter elements can be cleaned at a time, the service life of the filter elements is prolonged, and the replacement period of the filter elements is prolonged.

The invention discloses a method for improving the flatness of sheepskin surface paper of a paper tube, which comprises an unwinding frame, a gluing device and a tensioning guide rod assembly arranged at the feeding end of the gluing device, an infiltration water tank is arranged between the unwinding frame and the tensioning guide rod assembly, and a leveling assembly is arranged between the tensioning guide rod assembly and a glue tank. A water control assembly is arranged at the discharging end of the infiltrating water tank, sheepskin surface paper on the unwinding frame is infiltrated through the infiltrating water tank, the humidity is controlled through the water control assembly, dust on the surface is scraped off, then the sheepskin surface paper is pulled to the tensioning guide rod assembly, and finally the sheepskin surface paper is flattened through the tension and flattening assembly and then enters the gluing roller to be subjected to single-face gluing. Compared with the prior art, the surface paper has the advantages that the tensile strength and the surface tidiness of the surface paper can be improved, the sheepskin surface paper dust is cleaned, meanwhile, the breakage condition is avoided, the surface smoothness of a formed paper tube is remarkably improved, and the surface paper plays a key role in high-speed winding forming and unwinding processing of superfine chemical fiber spinning cakes below 0.55 dtex.

The invention discloses a control dust removal system for a driving working face with a rotational flow air curtain cooperating with negative pressure air draft, and relates to the field of dust removal, the control dust removal system comprises a press-in fan, an air pressing barrel, a telescopic rotational flow air supply outlet, a telescopic dust collection cover, an air draft barrel and a dry dust removal fan; the press-in fan and the air pressing barrel are hung at the top of the central position of the tunneling roadway, the telescopic rotational flow air supply outlet is formed in an outlet of the air pressing barrel, and the horizontal distance between the telescopic rotational flow air supply outlet and the section of the tunneling working face is about 10-20 m. The problems of low operation efficiency and energy consumption increase of a ventilation and dust prevention system of the driving working face can be prevented, and the phenomenon that dust further pollutes underground airflow and other workplaces can be prevented; the air pressing barrel is adopted to generate a rotational flow air curtain to control dust on the driving face, meanwhile, the air draft barrel and the dry type dust removal fan are cooperated to capture and purify the dust, and purified dust-containing airflow can enter an underground ventilation system for circulating ventilation.

The application discloses a popcorn raw material screening workshop air filtering system and device, and relates to the technical field of industrial dust removal. The system comprises a micro-mechanical property acquisition module, a flow field fluctuation monitoring module, an environment sensing and adhesion coupling module, a multi-physical field coupling calculation module and a self-adaptive dust cleaning execution module. The anti-breaking strength of raw materials is acquired to construct a crushing particle generation potential factor, and the transient concentration impact load is extracted in combination with the dust concentration time series. Meanwhile, the environmental humidity is introduced to establish a dust capillary adhesion index, so that the dynamic calculation of the dust net deposition mass change rate on the surface of the filter bag is realized. On this basis, the difference relationship between the real-time deposition state and the reference working condition is constructed, and the pulse dust cleaning trigger pressure difference threshold is dynamically adjusted, so that the self-adaptive control of the dust removal system is realized. The application can effectively improve the dust treatment efficiency, reduce the energy consumption, prolong the service life of the filter bag, and is suitable for popcorn raw material screening and other industrial scenes with obvious dust concentration fluctuation.

The utility model discloses a device for removing dust on the surface of silicon powder. The device comprises a main body, a silicon powder feeding pipe, a dispersing component, a purging gas inlet pipe and a negative pressure gas collecting pipe. A hollow cavity is formed in the main body, and a silicon powder outlet is formed in the bottom end of the cavity; a discharging opening of the silicon powder feeding pipe extends into the cavity from the top of the cavity; the dispersing component is arranged in the cavity and corresponds to a discharge hole of the silicon powder feeding pipe; a gas outlet of the purging gas inlet pipe is positioned below the dispersing component and is communicated with the cavity; and an air inlet of the negative pressure air collecting pipe is communicated with the cavity and is higher than a discharge hole of the silicon powder feeding pipe. The device disclosed by the utility model can be used for efficiently removing fine dust on the surface of the silicon powder in an energy-saving manner.

The present application provides a kind of coal mine fully mechanized working face dust removal system, comprising: hydraulic transmission subsystem, air power subsystem, liquid storage subsystem, liquid discharge subsystem, control subsystem.Control subsystem senses and controls hydraulic transmission subsystem, uses liquid medium to drive hydraulic motor to drive fan rotation, fan generates negative pressure and inhales working face dust into liquid storage tank, reaches pressurized dissolved gas, atomization dust removal effect;Control subsystem senses and controls liquid discharge subsystem, uses hydraulic motor to drive liquid discharge pump rotation, discharges medium for dust removal, achieves the effect of replacing medium, cleaning container and secondary dust removal;Control subsystem senses and controls the medium for dust removal into liquid storage subsystem.Control subsystem uses the existing equipment of fully mechanized working face, senses working face environment and equipment operating parameters, realizes single or group control system automatic dust removal.The present application has simple structure, easy installation, no risk of explosion, automatic control and high dust removal efficiency.

The invention relates to the field of fully-mechanized face dust prevention and control, and discloses a fully-mechanized face cantilever type coal mining machine onboard dust removal system and a coal mining machine. The dust removal system comprises a shaftless fan wet dust collector, a hydraulic telescopic rod assembly and a linkage control system, and the shaftless fan wet dust collector is arranged on the outer side of a roller and rotationally connected with a machine body through a dust collector swing arm; one end of the hydraulic telescopic rod assembly is hinged to a rocker arm of the coal mining machine, the other end of the hydraulic telescopic rod assembly is connected with a swing arm of the dust remover through a universal joint, and the linkage control system is connected with the hydraulic telescopic rod assembly, the rocker arm driving oil cylinder and the coal seam thickness sensor. The system further comprises a rocker arm integrated flame-proof electric control box, and triple protection of overload, electric leakage and overvoltage is arranged in the rocker arm integrated flame-proof electric control box. The dust remover can be dynamically close to a dust source and adapt to different coal seam thicknesses, collision and whole machine shutdown are avoided, and the dust treatment effect and operation safety are remarkably improved.

The invention discloses a driving face high-pressure atomization dust falling system and a working method. The driving face high-pressure atomization dust falling system comprises a water supply tank, a high-pressure water inlet pipe, a high-pressure water pump, a high-pressure water outlet pipe, a dust falling water ring and a water ring support. The supply water tank and the high-pressure water pump form a water supply channel through a high-pressure water inlet pipe, and the high-pressure water pump is communicated with the dust falling water ring installed on the water ring support through a high-pressure water outlet pipe. The water ring support is installed on the cantilever type heading machine, and the dust falling water ring is coaxially arranged behind a cutting head of the heading machine through the water ring support, is concentric with a heading axis and is used for forming an annular spraying limiting area in front of the heading machine so as to intercept primary dust generated by broken rock mass; the dust falling water ring is of an annular structure and is formed by connecting an upper ring body and a lower ring body into a whole in a sealed mode, a plurality of spraying grooves are formed in the upper ring body at equal intervals in the circumferential direction, an annular water collecting groove is formed in the lower ring body and communicated with the spraying grooves, and pressure-equalizing distribution of high-pressure water flow is achieved. According to the invention, efficient control of the heading face dust source is realized.

The invention relates to the technical field of dust suppression devices, and discloses a dust suppression device for fiber composite material production, which comprises a dust suppression box body, a vibration mechanism and a disassembly mechanism, the outer surface of the dust suppression box body is fixedly connected with a support frame, the vibration mechanism is arranged in the dust suppression box body, and the disassembly mechanism is arranged at the bottom of the dust suppression box body. By arranging the vibration mechanism, specifically, after a motor is started, an eccentric rod drives rotating discs on the two sides to synchronously run, the eccentric rod slides in a sliding groove of a swing rod, the swing rod swings in a reciprocating mode, a top extrusion block extrudes an arc-shaped block at the bottom of a sliding rod, and the sliding rod is driven to move up and down in a fixed frame; when the dust suppression device works, an impact rod and an impact block are synchronously driven to move upwards to impact a first filter screen, a first spring and a second spring are compressed, and after an extrusion block is separated from an arc-shaped block, the first spring and the second spring respectively drive the impact block and a sliding rod to reset and continuously vibrate dust on the surface of the first filter screen, so that blockage of the first filter screen is reduced, and continuity of dust suppression work is improved.

This invention discloses a holographic integrated dust control platform for mining, including a geological scanning model construction module for constructing a geological structure layer model before mining. The geological scanning model construction module is signal-connected to an environmental sensing and measurement module. A multi-point temperature and humidity monitoring unit and a high-pressure micro-mist spray unit score measurement and comparison unit calculate and compare dust concentration measurement and scoring parameters for the layout surface collected by the unit based on the dust concentration exceeding the limit after humidification. This enables the cutting power adjustment unit to receive positioning signals from the heavy equipment source positioning unit or UWB positioning unit and adjust the spray direction of the high-pressure micro-mist spray unit accordingly. The multi-point temperature and humidity monitoring unit and the high-pressure micro-mist spray unit score measurement and comparison unit calculate and compare dust concentration measurement and scoring parameters for the layout surface collected by the unit based on the dust concentration exceeding the limit after humidification, improving system coordination and accurately covering dust generation sources and diffusion paths for underground dust control.

The invention belongs to the technical field of industrial dust removal and refractory material environment-friendly production, and particularly relates to refractory material dust recovery equipment which comprises an air purification chamber, a middle filter bin and an ash hopper, a filter bag and an internally-supported cage skeleton are mounted in the filter bin through a pattern plate, and a flexible detection section is formed in the middle area of the cage skeleton without ring ribs. A shrinkage degree detection mechanism is arranged at the position and comprises a telescopic sleeve plate, a telescopic inner plate and a grating ruler, when the equipment works, a dust layer on the surface of the filter bag is thickened, so that the dust layer shrinks towards the center, the flexible section of the cage framework is driven to deform, the telescopic inner plate and the telescopic sleeve plate are driven to generate relative displacement, and the grating ruler monitors the displacement amount in real time; and when the displacement reaches a preset threshold value, the control unit immediately triggers the pulse-jet ash removal system to work. According to the invention, the direct and real-time monitoring of the dust deposition state of the filter bag and the accurate dust removal as required are realized, the defects of regular and constant pressure difference dust removal are overcome, and the device has the advantages of energy consumption saving, prolonged service life of the filter bag and stable and reliable operation.

This utility model discloses a steel wire rotary dry wiping device, relating to the technical field of steel wire surface residue removal devices; it includes a frame, a wiping mechanism, and a collection mechanism; the wiping mechanism is connected to the top of the frame; the wiping mechanism includes steel wool, a rotating cage, an input shaft, and an output shaft; one end of the rotating cage is rotatably connected to one side of the frame via the input shaft, and the other end of the rotating cage is rotatably connected to the other side of the frame via the output shaft; the rotating cage is filled with multiple steel wool, the input shaft has a first opening corresponding to the rotating cage, and the output shaft has a second opening corresponding to the rotating cage; the steel wire enters the rotating cage through the first opening, and the steel wool in the rotating cage rubs the steel wire to remove dust from the surface of the steel wire, and the steel wire is output through the second opening; the collection mechanism is connected to the frame below the wiping mechanism; it is capable of collecting the dust that falls from the wiping mechanism.

The invention discloses a filter device for ultra-clean emission of flue gas, and relates to the technical field of flue gas filtration, the filter device comprises an upper box body and a lower box body which are arranged on a bag-type dust collector, the upper box body is communicated with a clean gas outlet, the lower box body is communicated with a dust gas inlet and an ash hopper, a pattern plate is arranged in the upper box body, a plurality of mounting holes are formed in the pattern plate, and the mounting holes are communicated with the lower box body. And a circular ring is arranged in the mounting hole. According to the filtering device for ultra-clean smoke emission, during filtering, the filtering bag frame and the filtering bag can reciprocate and rotate in a reciprocating mode, the filtering bag can be evenly stressed, surface airflow distribution is more balanced, the phenomena of local dust accumulation, erosive wear and bag pasting are effectively avoided, meanwhile, the falling effect of dust on the surface of the filtering bag can be enhanced, and the service life of the filtering bag is prolonged. According to the back-flushing dust removal device, the filtering efficiency and effect are guaranteed, in addition, after back-flushing dust removal, back-flushing dust on the lower portion can be pushed downwards and fall into the dust hopper, the situation that the back-flushing dust is attached to the filter bag again is reduced, the back-flushing effect is guaranteed, and then the subsequent filtering efficiency and effect are guaranteed.

The invention relates to the technical field of waste gas dust treatment, in particular to an industrial waste gas dust treatment device which comprises a treatment device body, a top frame is fixedly connected to the upper side of the treatment device body, a treatment barrel and a treatment box which are used for treating waste gas dust are fixedly connected to the upper side of the top frame, and a sealing cover is clamped to the upper side of the treatment barrel. The bottom of the treatment cylinder is filled with water, a rotatable circular plate is arranged to bear a plurality of filter bags, the filter bags are automatically switched in cooperation with driving of a first servo motor, a new filter bag is automatically connected after a single filter bag is saturated, the replacement frequency is greatly reduced, and after all the filter bags are used, the filter bags can be automatically replaced, so that the replacement efficiency of the filter bags is greatly improved. The electric push rod closes the gas inlet pipe, the second servo motor drives the bristle soft brush to clean the surface of the filter bag, dust falling into water is effectively captured, and the dual measures of switching and cleaning of the filter bag are synergistic, so that the continuous operation time of waste gas treatment is greatly prolonged, and the working efficiency is remarkably improved.

The utility model belongs to the technical field of underground dust removal equipment, and particularly relates to a cooling and dust removal device for a coal mining working face, which comprises a support, universal wheels, a water pump, a water tank and a cooling and dust removal box are mounted on the support from bottom to top, a water inlet of the water pump is communicated with the bottom of the water tank, and a water outlet of the water pump is connected with the bottom end of a water inlet pipe. The top end of the water inlet pipe is located vertically above the water inlet pipe, a water retaining frame surrounds the top of the water inlet pipe, a filtering groove is erected on the water tank, the two ends of the cooling and dust removing box are connected with variable diameters, a fan is installed on one variable diameter, a plurality of evaporation plates are installed in the cooling and dust removing box at intervals, and an air channel communicating with the two variable diameters is formed between every two adjacent evaporation plates. A plurality of overflow holes are formed in the cooling dust removal box on the upper and lower sides of the evaporation plate in a penetrating manner. Through cooperative work of the water pump, the water tank, the cooling and dedusting box and other parts, water circulation cooling and dedusting are achieved, the treatment effect on dust and high temperature of the coal mining face is improved, and the equipment cost and maintenance difficulty are reduced.