188 results about "Flour dust" patented technology

The invention relates to the technical field of cloth bag dust removal equipment, in particular to dynamic back-flushing cloth bag dust removal equipment based on dust induction, which comprises a dust removal box, filter bags mounted in the dust removal box, two gas purification boxes fixedly connected to the dust removal box and used for discharging dust-removed gas, a partition plate fixedly connected to the interior of the dust removal box, and the filter bags in the dust removal box are divided into two groups by the partition plate. The dust removal box is internally divided into two dust removal spaces, the lower sides of the two dust removal spaces are communicated, two dust hoppers are fixedly connected to the dust removal box, air inlet pipes are fixedly connected to the dust hoppers in a communicating mode, each air inlet pipe is independently communicated with a dust-containing space needing dust removal, and the dust removal box is rotationally connected with a sealing plate; and the sealing plates are used for sealing the corresponding dust removal spaces so as to facilitate dust removal and maintenance. According to the equipment, the dust concentration is detected in real time through the dust concentration sensor, and the DCS system dynamically adjusts blowing parameters according to detection data, so that the cleaning effect of dust on the surface of the filter bag is improved, excessive blowing can be avoided, and unnecessary energy consumption can be reduced.

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 relates to the technical field of bag-type dust removers, and particularly discloses a high-efficiency low-heat-loss bag-type dust remover which comprises a dust remover body and further comprises a detection assembly arranged on one side of the dust remover body and used for detecting the gas pressure difference of the two sides of a bag according to the deflection angle. Through the detection assembly, the gas pressure difference on the two sides of the cloth bag can be converted into the deflection angle of the pressing rod for detection, and according to the deflection angle, detected by the detection assembly, of the pressing rod, when the deflection angle of the pressing rod reaches a limit value, the triggering assembly can automatically control the dust removing assembly to remove dust on the surface of the cloth bag; the trigger assembly can also automatically adjust the trigger limit value of the detection assembly according to the humidity condition of the dust-containing gas, the cleaning strength of the dust removal assembly can be adjusted according to the humidity of the dust-containing gas through the regulation and control assembly, the dust stripping effect is improved, the cleaning effect on the cloth bag can be improved, and the subsequent filtering efficiency of the cloth bag can be improved.

The invention belongs to the field of coal mine dust removal, and relates to a coal mining machine onboard integrated efficient dust remover and a filtering method thereof, an air inlet, a nozzle, a multi-stage filter screen, a corrugated plate demister, a centrifugal fan and other components are integrated to form an efficient dust removal system. During operation, dust-containing air enters through the air inlet, water mist is sprayed out of the nozzles to preliminarily wet dust, and then the dust with different particle sizes is effectively captured through multi-stage filtration of the coarse-efficiency filter screen, the medium-efficiency filter screen and the high-efficiency filter screen. And then the air is dehydrated by a demister, and clean air is discharged by a centrifugal fan. The equipment is provided with a dust cleaning brush and a differential pressure sensor, the filter screen can be automatically cleaned, and the filtering effect is guaranteed. The system has the advantages of efficient dust fall, water saving, environmental protection, intelligent monitoring, compact structure and convenient maintenance, can obviously reduce the dust concentration of the working face, improves the working environment, ensures the health of miners, and is a preferable scheme for dust control of the fully mechanized coal mining working face.

The invention discloses a dust blocking method for a working space of fully-mechanized face personnel, and belongs to the technical field of coal mine dust treatment. The invention provides a comprehensive blocking scheme for solving the problems that in the prior art, fully-mechanized face dust is high in concentration and serious in diffusion, and workers are prone to suffering from pneumoconiosis. According to the method, a wireless dust source tracking spraying device is arranged on the outer side of a coal mining machine, and dust generated by coal cutting is settled and guided; a coal mining area and a personnel activity area are physically separated by utilizing an efficient dust blocking and isolating device on the hydraulic support; a negative-pressure micro-mist dust remover is arranged in front of a stand column of a top beam of the support to suck and purify dust near the top beam; and a support dust receiving device is installed on the hydraulic support and used for collecting dust generated by descending the column and moving the support. The method can effectively reduce the dust concentration in the working space of workers on the fully-mechanized coal mining face, reduces the risk of pneumoconiosis of miners, and provides convenience for source-divided and domain-divided treatment of dust on the fully-mechanized coal mining face.

The invention discloses a dust removal device for a feed production line, and particularly relates to the technical field of dust removal, the dust removal device comprises an outer box body, the inner surface of the outer box body is fixedly connected with a partition plate, the inner surface of the middle position of the partition plate is fixedly connected with a fixed seat, and the inner surface of the fixed seat is rotatably connected with a rotating seat; a plurality of dust removing bags are arranged at the upper end of the rotating seat, a movable filtering assembly is arranged in an inner cavity of the outer box body, a springback assembly is arranged between a partition plate and the fixing seat, and a cleaning assembly is arranged on the right side of the partition plate. When the filter cloth is used for dynamically filtering air, the dust removal bag is driven to twist, rebound and intermittently vibrate to shake off dust on the surface of the dust removal bag, the cleaning burden and the cleaning frequency of a subsequent dust removal mechanism are reduced, the cleaning assembly and the blowing assembly are used for sweeping, knocking and blowing the filter cloth during filtering, and the dust removal efficiency is improved. The filter cloth is kept ventilated and smooth for a long time and is suitable for the scene of continuous production of a feed production line.

The invention relates to a fully mechanized coal mining face dust distribution spatio-temporal evolution prediction method and system based on multi-dust-source coupling, and belongs to the technical field of coal mine dust treatment and intelligent prediction. Aiming at the problems of insufficient quantification of multi-dust-source interaction, lack of respirable dust monitoring and low prediction model precision in the prior art, the invention provides the following scheme: constructing a coal cutter coal cutting dust production model and a hydraulic support moving dust production model, and fusing coal rock crushing characteristic parameters and equipment working condition parameters; establishing a dust migration numerical model based on a Navier-Stokes equation and a discrete phase model; calibrating model parameters in real time through a distributed sensor network; and generating a respiratory zone height dust spatio-temporal evolution graph and driving an intelligent dustproof system. The method has the effects that the dust concentration prediction error is reduced from 40% to 12-15%, and the dust source positioning error lt is reduced; the dust falling efficiency is improved by 30%, the water is saved by 22%, and the device is suitable for the scene with the mining height of 3-8 m and the wind speed of 0.5-3.0 m / s.

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 invention provides a mine dust concentration prediction and analysis method based on big data, and the method comprises the steps: building a real-time monitoring network of multi-working-face operation in a mine, obtaining the distribution data of dust clouds of each working face and tunnel concentration distribution information, carrying out the data collection according to a dust superposition effect, and obtaining the initial dust diffusion boundary of each region; according to the initial dust diffusion boundary data, the dust concentration superposition coefficient, the interaction influence radius and the diffusion rate of the dust cloud cluster during multi-working-face operation are analyzed, and the diffusion boundary change trend and the key influence area are determined; adjusting a resource allocation optimization scheme of each region according to a real-time change trend of roadway concentration distribution and a control instruction set, and determining operation parameters and distribution positions of dust control equipment; according to the updated concentration distribution state, whether an area with the dust superimposed effect exceeding the standard exists or not is recognized, if yes, control resources of ventilation equipment, dust removal equipment and a spraying device are redistributed, and a new control instruction set is determined.

The invention relates to the technical field of plate cutting equipment, and discloses a cutting and feeding device which comprises a feeding part used for grabbing a plate body and a moving part used for moving the position of the grabbing part, the feeding part is arranged on the moving part, and the feeding part comprises the grabbing part used for adsorbing the plate body and a dust removing part used for removing dust on the surface of the plate body; the dust cleaning part can blow dust on the surface of the plate through composite airflow and form a negative pressure field for guiding the dust before the suction cup makes contact with the plate, and the composite airflow comprises spiral airflow in the tangential direction of the surface of the plate and central airflow perpendicular to the surface of the plate. Full-automatic grabbing, transferring and positioning of large-size plates are achieved, manual carrying is completely replaced, the feeding efficiency of the plates is effectively improved, and the risk of lumbar muscle strain caused by bowing and lifting and potential safety hazards such as falling and scratching of the plates are eliminated.

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 technical field of plasma cleaning, in particular to a drum type vacuum plasma cleaning machine which comprises a shell, the interior of the shell is a sealed environment, a cleaning cavity is rotatably installed in the shell, and a drum assembly is rotatably installed in the cleaning cavity. The roller assembly comprises a cylinder screen, a second side plate, two supporting rings and a plurality of first side plates. The first side plate and the second side plate rotate along with the drum screen, so that materials roll over when the drum screen rotates, the plasma cleaning uniformity is improved, meanwhile, the materials roll over to impact the drum screen, dust on the side wall of the drum screen is cleaned, and the cleaning efficiency is improved through the continuous switching state of the cleaning cavity. And the rolling frequency and strength of the materials in the drum screen are improved, and the uniformity of plasma cleaning is further improved. The materials are thrown upwards through rotation of the flexible strips, the collision force between the materials and between the materials and the drum screen is increased, and cleaning of dust in the drum screen and dust on the outer surfaces of the materials is further improved.

The invention discloses a dust removal device for automobile cover cap production and processing, and belongs to the related field of automobile part processing technology.The dust removal device comprises a fixed base and a fixed tool, the fixed tool is movably installed in the middle of the upper end of the fixed base, and fixed frames are arranged at the positions, located on the two sides of the fixed tool, of the upper end of the fixed base; a first clamping cover and a second clamping cover are installed on the outer surface of the upper end of the fixing frame, the first clamping cover is located on one side of the second clamping cover, negative pressure parts used for cleaning cover parts are arranged in the first clamping cover and the second clamping cover correspondingly, and a positive pressure part is fixedly installed between the first clamping cover and the second clamping cover. The fixing tool comprises an elastic clamping seat and a fixing bottom plate, and the elastic clamping seat is mounted above the fixing bottom plate; the dust removal device is provided with a vibration auxiliary structure, dust on the surface of the cover cap is rapidly separated, the cleaned dust is rapidly absorbed in a negative pressure mode, the cover cap is prevented from being secondarily polluted by the dust, and the cover cap cleaning effect 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 invention relates to the technical field of flour dust falling, in particular to flour mill dust falling equipment and a using method thereof.The flour mill dust falling equipment comprises a middle shell, dust falling boxes are fixedly connected to the two sides of the middle shell, and dust collection bins used for alternately collecting dust and compressing are arranged on the surfaces of the outer sides of the dust falling boxes; the top surface of the dust falling box is provided with a dust falling nozzle for increasing the weight of sucked dust mist, the inner side surface of the middle shell is provided with a driven trigger piece for synchronizing the movement process of each component, and the outer side surface of the dust falling box is provided with a dust collection baffle for guiding airflow to enhance the adsorption range; according to the dust falling device for the flourmill, suspended dust is rapidly converted into settleable particles through a closed-loop process of double-side alternate dust collection, compression granulation and synchronous spraying weight increment in function, and the suspension condition required by dust explosion is cut off from the source; the whole process is closed, secondary diffusion is avoided, additional pump valves and electric control elements are not needed, energy consumption is low, and fault points are few.

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 a non-contact type surface cleaning mechanism in the field of cleaning mechanisms, a support and a rack are connected through a mover, the fixed end of the mover is arranged on the rack, the movable end of the mover is arranged on the bottom face of the support, a driver is fixedly arranged on the side face of the support, and the mover is arranged on the bottom face of the support. The upper movable end of the driver and the lower movable end of the driver are each provided with an upper cleaning head and a lower cleaning head, and the product positioning end of the positioning plate stretches into the position between the upper cleaning head and the lower cleaning head. According to the non-contact type surface cleaning mechanism, by arranging the mover, the upper cleaning head and the lower cleaning head, the upper cleaning head and the lower cleaning head move repeatedly, the cleaning area is enlarged, the working efficiency of removing dust attached to the surface of a product is improved, by arranging the mover and the driver, the positions of the upper cleaning head and the lower cleaning head are convenient to adjust, and the cleaning efficiency is improved. The cleaning area is further enlarged, and the working efficiency of the upper cleaning head and the lower cleaning head for removing dust attached to the surface of the product is improved.

The invention relates to the technical field of servo motors, in particular to a servo motor adopting a hollow shaft integrated cooling channel and a dough kneading machine, and the servo motor comprises a servo motor body, an assembling structure, an adjusting structure, a mounting structure, a dustproof structure, a heat dissipation structure and a filtering structure. The position of an installation hole in the end cover of the servo motor body is effectively adjusted through the arrangement of the adjusting structure, butt joint with a hole in a dough kneading machine is facilitated, the problem that repeated drilling is needed due to the fact that the position of the hole does not correspond is solved, flexibility is high, the servo motor body can be overturned by 90 degrees conveniently when maintained through the installation structure, and the service life of the servo motor body is prolonged. The servo motor body is prevented from being repeatedly detached from the dough kneading machine, the maintenance efficiency is improved, flour particles are effectively prevented from being attached to the servo motor body, meanwhile, a good heat dissipation effect on the servo motor body is achieved, flour dust is prevented from being blown into the surface of the servo motor body in the heat dissipation process through the arrangement of a filtering structure, and the service life of the servo motor body is prolonged. The filtering effect is good.

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 application discloses a flour production device and process special for flour mills and relates to the technical field of flour production, which comprises a discharging mechanism, a supporting mechanism is arranged below the discharging mechanism, a conveying mechanism is arranged on one side of the discharging mechanism, a conveying belt two is arranged below the conveying mechanism, a rack is arranged on one side of the conveying belt two, a conveying belt one is arranged on the rack, a cylinder one is vertically arranged above the conveying belt one, and the discharging mechanism is arranged, so that the quantitative discharging is facilitated. Meanwhile, the depth of the telescopic pipe into the packaging bag is adjusted, so that the canning is facilitated, the flour dust is prevented from splashing everywhere, the clamping is prevented from being not fastened in the process of sudden filling, the packaging bag is prevented from falling off, the adjustment can be gradually performed, the supporting can be achieved in the clamping process, and the sealing effect is avoided.

The invention relates to the technical field of cement production equipment, in particular to a cement packaging machine with a dustproof device. The cement packaging machine comprises a cement packaging machine body and the dustproof device, an ash outlet is formed in the front side of the cement packaging machine body, the dustproof device is arranged on the front side of the cement packaging machine body, and the ash outlet is located in the dustproof device. The dustproof device comprises an outer shell, a dust suction hood, an elastic supporting assembly and a packaging bag dust removal assembly. Through cooperation of the packaging bag dust removal assembly and the elastic supporting assembly, dust attached to the outer surface of the cement bag can be effectively swept, compared with an existing technology only depending on a dust hood, an active sweeping link aiming at the dust on the surface of the cement bag is newly added in the scheme, and the dustproof effect is more comprehensive.

The utility model discloses a feeding device for a rice color sorter, which comprises a color sorter body, and a rice lifting and feeding mechanism is arranged on one side of the color sorter body. The rice lifting and feeding mechanism comprises an inclined rectangular shell, a circular barrel fixed in the rectangular shell, a plurality of filter holes uniformly formed in the side wall of the circular barrel, and an air suction pipe fixedly arranged on the upper side wall of the rectangular shell and connected with dust collection equipment; the first rotating shaft is rotationally arranged in the rectangular shell and located in the center of the interior of the circular barrel, the motor drives the first rotating shaft to rotate, the spiral blade is fixed to the first rotating shaft, the square feeding pipe is fixedly arranged on the side wall of the circular barrel and provided with an upward opening, and the square discharging pipe is fixedly arranged on the side wall of the circular barrel and provided with a downward opening. The rice feeding device has the advantages that the effects of lifting feeding rice and removing dust on the surface of the rice are achieved.

The gas cooled reactor nuclear power station with the fuel element capable of being purged comprises a fuel pipe, the fuel pipe is used for introducing the fuel element into the nuclear power station, an air inlet and an air outlet which are oppositely arranged in the vertical direction are formed in the pipe wall of the fuel pipe, the air inlet is located above the air outlet, and the included angle between the extending direction of the fuel pipe and the vertical direction is larger than or equal to a preset value; an outlet of the air supply pipe communicates with the air inlet, and the outlet of the air supply pipe faces the air outlet in the vertical direction; the air outlet pipe extends in the vertical direction, an inlet of the air outlet pipe communicates with the air outlet, the inlet of the air outlet pipe is formed in the upper end portion of the air outlet pipe, and the upper end portion of the air outlet pipe is matched with the pipe wall of the fuel pipe; the dust collector is provided with a dust inlet, a gas outlet and a dust outlet, and the dust inlet is communicated with the outlet of the air outlet pipe. Therefore, the gas cooled reactor nuclear power station capable of purging the fuel element has the advantage that dust on the surface of the fuel element can be removed so that operation can be stable.

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 filtering system for adsorbing and removing aluminum polishing dust, relates to the technical field of dust filtering, and aims to solve the technical problems that excessive dust is accumulated and filtering holes are blocked due to the fact that water is filtered by a current filtering plate for a long time. A spraying mechanism is installed at the position, located on the outer side of the filtering plate, of the bottom of the workbench, a translation mechanism is fixedly arranged on the side, close to the spraying mechanism, of the bottom of the workbench, and a second driving motor is fixedly arranged at the lower end of the translation mechanism; through the cooperation of the translation mechanism and the cleaning roller, excessive dust can be cleaned after being adhered to the surface of the filter plate, so that the adhesive force of the dust on the surface of the filter plate can be reduced, and then loose dust can be adsorbed through the cooperation of the collection cavity and the dust collection holes under the work of the negative pressure pump; the device has the advantages of automatically cleaning dust on the surface of the filter plate and keeping filter holes smooth.

The invention belongs to the technical field of conductive sponge processing, and discloses a conductive sponge processing table with an automatic cleaning function, which comprises a platform, a deep cleaning mechanism and an anti-diffusion mechanism, the middle part of the platform is rotatably connected with a support frame, and the deep cleaning mechanism and the anti-diffusion mechanism are arranged on both sides of the platform. Through cooperation of structures such as a sliding groove rod, a rotating plate and a telescopic sleeve base, dust particles embedded in the surface and the interior of the platform can be conveniently vibrated through the platform, follow-up treatment is facilitated, and under the limiting effect of a vertical groove plate and cooperation of flexibility of the telescopic sleeve base, the dust particles can be effectively prevented from falling off. The platform shakes in a reciprocating mode around the axis, the effective length of the sliding groove rod is changed under the cooperation of the rotating shaft of the rotating plate and the bolt, and therefore the shaking amplitude of the platform is changed, adaptive adjustment is conducted according to the number of dust particles on the surface of the platform and the embedding depth, and the cleaning efficiency is effectively improved.

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.