16results about How to "Avoid secondary dust" patented technology

The utility model belongs to the technical field of ceramic granule dust removal, specifically relates to a ceramic granule dust removal device. It includes dust removal case, is provided with feed inlet and dust outlet in the top of dust removal case, is provided with the discharge gate and dust collecting port of dust removal case's first side bottom and second side bottom respectively, is provided with a plurality of filter plates in dust removal case inside up and down interval, is provided with electric conveyer belt outside dust removal case, the feed end of electric convey belt extends to the discharge gate of dust removal case, the discharge end of electric convey belt extends to finished product packing warehousing, is provided with a plurality of electrostatic dust removal units along material transmission direction interval in electric conveyer belt top, and electrostatic dust removal unit removes the dust particle that adheres to the surface of ceramic granule through electrostatic adsorption ceramic granule surface fine dust particle and realizes ceramic granule dust removal. The utility model removes the dust particle that adheres to the surface of ceramic granule through the combination of dust removal case and electrostatic dust removal two ways, solves the problem that the use of ceramic granule is limited because of the dust particle that adheres to the surface.

The application belongs to the technical field of gate dredging, and particularly relates to a gate dredging device, which comprises a dredging main body, a hoisting mechanism, a translation type floating object salvaging mechanism and a soil breaking type gate bottom dredging mechanism. The translation type floating object salvaging mechanism is arranged on the dredging main body, the soil breaking type gate bottom dredging mechanism is arranged on the translation type floating object salvaging mechanism, and the hoisting mechanism is arranged on the left side of the dredging main body. The gate dredging device can solve the problems that workers need to be exposed to harsh environments for a long time in the manual dredging process, which can easily cause physical health risks, and that the traditional mechanical equipment has low dredging efficiency and can cause damage risks to water conservancy facilities. The soil breaking type gate bottom dredging mechanism can quickly and efficiently clean the sludge at the bottom of the gate, and the rotation design of the suction head can better adapt to different shapes and densities of the accumulated sludge, thereby improving the dredging efficiency.

The invention provides an LED display screen electrostatic elution dust removal device and method, and belongs to the field of LED display screen dust removal. The device comprises an electrostatic generator, an electrostatic dust collection rod integrating a blowing and sucking module and a washing and mopping module, a dust collection bin and an anti-static cleaning liquid supply module. The core is that efficient dust removal and self-cleaning are achieved through a precise and controllable static positive and negative switching mechanism in cooperation with blowing and suction cooperation, roller washing and mopping and anti-static cleaning liquid supply functions, a conductive dust removal head generates static electricity to adsorb dust on the surface of a screen body through positive voltage, the blowing function assists in breaking stubborn dust viscosity, roller washing and mopping strengthens physical stripping, and the dust removal effect is good. The dust collection function captures fine dust; the reverse voltage generates a reverse electric field to separate the dust removal head from dust on the surface of the roller, and centralized collection of dust is accelerated by cooperating with a blowing and sucking function; the problems that an existing dust removal mode is poor in fine / stubborn dust removal effect and prone to secondary pollution, and the self-cleaning capacity of tools is insufficient are solved, and the LED display screen dust removal device is suitable for daily cleaning and maintenance of various LED display screens.

This invention provides a pneumatic vacuum cleaning robot that can freely move along the X and Y axes on a wall. It adapts to the contours of curved walls using sponge vacuum suction cups, and avoids secondary dust generation through the combination of brushes and vacuuming equipment. First, the suction-adaptive adhesion module employs negative pressure adsorption technology, ensuring the robot adheres tightly to the cylindrical wall. The sponge vacuum suction cups, in particular, deform according to the wall's shape and the adsorption force, providing a reliable and highly adaptable solution for suction and equipment fixation. Second, the omnidirectional movement module uses the alternating operation of two sets of suction cups and two sets of moving cylinders to move between the fixed frame and the dust collection box, giving the robot flexible mobility and allowing it to move freely on the wall. Finally, the cleaning mechanism module is responsible for thoroughly cleaning the area, working in conjunction with the negative pressure vacuuming system to prevent secondary dust generation.

The utility model relates to a dust removal device, it includes casing, air extraction unit, dust collecting unit, blow unit and prilling unit, prilling unit includes box, two prilling rollers and drive assembly, the outer surface of each prilling roller is equipped with recess, two prilling rollers contact each other and the recess on it mutually cooperate and form a plurality of granulating units in relative position, the width of recess gradually reduces from the opening end to the bottom, and its maximum depth is less than the maximum width. Through setting prilling unit on dust removal device, can suck into dust chamber's flying dust accurate extrusion into dense granular, further through the optimization to prilling roller, make the particle after extrusion more compact firm, will not because drop on the conveyer belt and cause structural damage or because the belt vibration, material impact influence and raise again, avoid the occurrence of secondary flying dust. In addition, the equipment can flexibly cope with the dust produced by different materials, and the versatility is good.

The invention discloses a dust blowing device for biomass fiber processing flash explosion, which comprises a base, a dust pushing pipe fixedly mounted at the top of the base, three connecting pipes fixedly mounted at the top of the dust pushing pipe, and a same flash explosion machine fixedly mounted at the top ends of the three connecting pipes, the feeding mechanism, the pre-dedusting mechanism, the main dedusting mechanism and the material shaking mechanism are matched with the flash explosion machine, all the mechanisms cooperate to achieve efficient soot blowing and dedusting in the biomass fiber processing flash explosion process, and control valves are arranged on the three connecting pipes. According to the ash blowing device for biomass fiber processing flash explosion, through the base, the flash explosion machine, the dust pushing pipe and four cooperative mechanisms of feeding, pre-dedusting, main dedusting and material shaking, the design of segmented dedusting, adjustable nozzle blowing, material shaking and spiral dust discharging is adopted, efficient and clean ash blowing and convenient maintenance are achieved, and the problems of traditional devices are solved.

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.

The invention discloses a full-automatic ton bag unpacking machine. Comprising a rack, a sliding rail arranged on the upper portion of the rack, an electric hoist moving along the sliding rail, a bag hanging assembly connected with the electric hoist and a temporary storage hopper assembly arranged in the middle of the rack. The sealing bin assembly is located below the temporary storage hopper assembly and can ascend and descend relative to the temporary storage hopper assembly; the bag opening assembly is arranged on the sealing bin assembly and integrally extends into a sealing bin for operation; the slide rail is used for limiting the motion path of the electric hoist; the bag hanging assembly is used for fixing bag lugs of the ton bag, so that the ton bag is kept in a stable posture in the lifting and moving process; the buffer hopper assembly is used for receiving materials discharged from the ton bags; the sealing bin assembly is in sealing connection with the buffering hopper assembly in the unpacking and discharging process and used for constructing a relatively-closed operation space to restrain dust from escaping. According to the unpacking device, the synergistic effect of automation, sealing and high efficiency is achieved, and dust pollution and manual labor intensity are reduced while the unpacking efficiency is improved.

The utility model discloses a dustproof filter bag device with a self-cleaning pulse blowback function, which relates to the technical field of dustproof filter bags and comprises a dustproof box and a dustproof mechanism. The dustproof mechanism comprises a filter bag structure, a back flushing structure, a dust guide seat, a dust guide funnel, a collection box and air extraction equipment; the dustproof box, the filter bag structure, the back flushing structure, the dust inlet pipe and the air outlet pipe are used in cooperation to filter gas with dust and can conduct dust removal treatment on the filter bag structure, and the air exhaust equipment, the air exhaust pipe, the telescopic square pipe, the dust guide funnel and the dust guide base are matched to suck flying dust generated by dust removal into the collecting box. The dust guide plate and the filter screen are matched to filter dust sucked by the air exhaust equipment, the dust on the dust guide plate can be guided into the collecting box through the first connecting pipe, the second connecting pipe, the connector and the buffer spring, the situation that the use effect of the reverse blowing structure is reduced due to reentrainment of dust is avoided, the filtering effect of the filter bag structure is improved, and the service life of the filter bag structure is prolonged.

This utility model belongs to the field of construction site dust suppression technology, specifically a construction site dust suppression device, including a base plate. A lifting plate is provided in the middle of the top side of the base plate. Mounting plates are fixedly connected to the front and rear sides of the top of the lifting plate. An atomizing cylinder is rotatably installed between the two sets of mounting plates. This utility model actively collects dust particles that do not settle during the spraying process of the atomizing cylinder through the dust collection port, and combines it with the spray treatment in the spray tank to effectively prevent secondary dust. At the same time, the return component filters the wastewater and circulates it to the water tank to realize closed-loop management of water resources. In addition, the modular design of the filter plate, connecting pipe and sealing cover structure supports quick disassembly and replacement, which is convenient for cleaning blockages or replacing filter elements.

This utility model discloses a negative pressure system for solid-state recovery of molten material from an alkali recovery boiler, relating to the field of alkali recovery boilers in the pulp and paper industry. It includes: a solid-state treatment component for recovering molten material from the alkali recovery boiler, a flue gas treatment component for recovering flue gas from the incineration section, and a negative pressure pulse dust collector. Both the solid-state treatment component and the flue gas treatment component are connected to the negative pressure pulse dust collector for collecting fly ash generated during the recovery process. This utility model uses the negative pressure pulse dust collector to uniformly collect fly ash generated by the solid-state treatment component and the flue gas treatment component, forming a fully closed negative pressure system. This effectively prevents dust escape, eliminates the risk of combustible dust explosions at the source, reduces equipment corrosion and occupational hazards, and achieves resource utilization of ash and slag. The two-stage slag cooling device, scraper conveyor, slag bin, and baler are directly connected to the negative pressure dust collection system to ensure the sealing of the entire molten material treatment process.

The utility model discloses a kind of front dust removal equipment of plastic processing, including dust removal box, the top of dust removal box is fixedly connected with box cover, the outer wall of dust removal box is fixedly connected with equipment frame, the inside of equipment frame is fixedly connected with step motor, the outer wall of round plate is fixedly interconnected with suction pipe, the output shaft of step motor and the outer wall of suction pipe are fixedly provided with gear, two gears are engaged connection.The utility model passes through negative pressure suction dust, is filtered by filter silk screen after being dispersed by conical plate, and step motor drives gear to make suction pipe, round plate etc. rotate, to drive filter silk screen rotation, improve dust capture efficiency;Simultaneously, electric motor drives nylon brush rotation, clean filter silk screen outer surface, prevent blockage;When replacing maintenance, open box cover, remove circular ring fixation to be taken out. Overall need not frequent shutdown manual cleaning, and cleaning and replacement operation are simple, avoid secondary dust raising.

The utility model discloses a self-cleaning polishing platform for hearing aid production, and relates to the technical field of polishing equipment, the self-cleaning polishing platform comprises a bearing assembly, the bearing assembly comprises a bearing table, and a groove is formed in the bearing table; and the grinding assembly is arranged on the bearing table and comprises a movable plate, an electric grinding machine, a positioning piece, a connecting rod and a rotating piece, the movable plate is movably connected to the interior of the bearing table, the electric grinding machine is fixedly connected to the top of the movable plate, the positioning piece is arranged on the left side of the bearing table, and the connecting rod is arranged between the positioning piece and the rotating piece. The device has the advantages that through the arrangement of the polishing assembly, convenient overturning can be achieved under the cooperation of the polishing assembly, the operation efficiency is improved, through the arrangement of the cleaning assembly, uniform blowing treatment can be carried out, sedimentation treatment can be carried out in cooperation with stored water, good cleaning treatment can be carried out, manual treatment is not needed, and secondary dust raising is avoided.

The invention provides a precise polishing, scrap removing and recycling device which comprises a machining table, and a grinding machine is installed on a table plate at the top of the machining table; a supporting frame is installed on the machining table. A container is installed on the supporting frame, and the interior of the container is used for storing chipping adsorption liquid. An injection pipe is installed on the machining table and fixedly penetrates into the container. The negative pressure fan is mounted on the supporting frame, and a suction pipe is mounted at the air suction end of the negative pressure fan; and a bag-type dust collector is mounted at the top of the container. Chippings generated by polishing are sucked into the container by the first pipeline and the second pipeline and are discharged through the L-shaped pipe outside the hollow block during suction, the impact force of discharged airflow enables the hollow block to rotate around the second pipeline, the contact area of injected air and adsorption liquid in the container is increased, the chippings are left in the adsorption liquid, and the service life of the adsorption liquid is prolonged. During subsequent treatment, the chippings are located in the adsorption liquid at the moment, and secondary dust raising can be effectively prevented.

This invention relates to the field of water-sprinkler sweeper technology, and discloses a water-sprinkler sweeper with dynamic adjustment function of water and sewage storage space and its control method. It aims to solve the technical problem that existing water-sprinkler sweepers typically have fixed-volume clean water tanks and sewage tanks, causing vehicles to frequently interrupt operations to return for water or sewage replenishment, severely limiting the continuous working capacity of a single trip. This invention includes a vehicle body, a walking mechanism located below the vehicle body, and a sweeping assembly, a water-sprinkling assembly, a clean water tank, and a sewage tank located above the vehicle body. A movable separator is provided between the clean water tank and the sewage tank, and the separator is connected to an adjustment drive mechanism that drives its movement to change the volume ratio of the clean water tank and the sewage tank. This invention fully utilizes the total volume of the integrated tank body, avoiding forced operation interruptions due to one side of the tank filling or emptying first, significantly extending the effective sweeping mileage and time after a single filling and emptying, and improving operational efficiency.

The present invention relates to the technical field of reduced iron powder processing, and specifically to a dust removal structure for magnetic separation treatment of reduced iron powder, including: a dust removal box, a second guiding plate is fixedly connected inside the dust removal box, and a sealing extension mechanism and a filtering mechanism are arranged on one side of the dust removal box. Through the setting of the screening magnetic separation mechanism, the linkage effect of the first transmission belt and the second transmission belt drives the magnetic rollers on the five third rotating shafts to rotate synchronously. The multiple groups of magnetic rollers cooperate with the screening plate to achieve multi-level magnetic separation of iron powder, and can accurately adsorb the magnetic iron powder in the mixed dust. The connecting rod fixed by the fixed shaft drives the scraper to closely adhere to the surface of the magnetic roller, and can clean the iron powder adsorbed by the magnetic roller in real time, avoiding the accumulation of iron powder from affecting the magnetic separation effect. The cleaned iron powder is centrally recovered through the iron powder blanking plate, and the separated dust is discharged through the second guiding plate to the dust discharge plate, realizing the efficient diversion of iron powder and dust.