Disclosure of Invention
In view of the above, the application discloses a buffering resonance in-situ dust removing device integrated with the storage, transportation and sealing of grain along a program, which can effectively remove dust in the storage, transportation and transportation process of grain.
The application adopts the technical scheme that: along integrative buffering resonance normal position dust removal equipment of form grain storage transport seal accuse includes:
The device comprises a reversed loading closed dust collection frame, a dry type in-situ dust collection module, an auxiliary power supply and variable frequency response adjustment module;
the dry type in-situ dust removal module comprises a buried multi-stage blowing dust collection frame, a turnover type electrostatic dust collection frame and a drop type dust collection buffer hopper;
The reversed closed dust collection frame, the embedded multi-stage blowing dust collection frame, the turnover type electrostatic dust collection frame and the unloading type dust collection buffer hopper are sequentially arranged along the ascending direction of the conveyor;
the transfer closed dust collection frame comprises a zipper type flexible plastic closed cover and a supporting frame, the transfer closed dust collection frame is arranged at the transfer position of the conveyor, and the zipper type flexible plastic closed cover is arranged on the supporting frame;
The drop-off dust collection buffer hopper is arranged at the tail end of the conveyor;
The embedded multi-stage blowing dust collection frame comprises a multi-point strip-shaped distributed dust collection row, a multi-pipe air injection dust collection row and adjustable telescopic sliding fixed feet;
The adjustable telescopic sliding fixing feet are symmetrically arranged on two sides of the conveyor, the multipoint bar-shaped distributed dust collection rows are symmetrically fixed at the upper ends of the adjustable telescopic sliding fixing feet, the air inlet side of the multipoint bar-shaped distributed dust collection rows and the adjustable telescopic sliding fixing feet form a preset angle, the air inlet side faces the upper surface of the conveyor, and the multi-pipe air injection dust blowing rows are arranged between the adjustable telescopic sliding fixing feet, are positioned above the conveyor and are close to the upper surface of the conveyor;
The turnover type electrostatic dust collection frame comprises an embedded type oscillation dust collection electrode, a turnover type corona electrode, a drawing type flexible dust collection electrode and an anti-dissipation dust collection tank;
The embedded type vibration dust collecting electrode is arranged above the conveyor and close to the upper surface of the conveyor, the turnover type corona electrode is arranged above the embedded type vibration dust collecting electrode, the drawing type flexible dust collecting electrode is arranged above the turnover type corona electrode and is biased to one side of the conveyor, and the anti-dissipation dust collecting tank is arranged below the drawing type flexible dust collecting electrode;
The unloading dust collection buffer hopper comprises an unloading dust collection wall surface and a multi-stage buffer discharging plate;
Wherein the multistage buffering discharging plate is arranged below the dust collection wall surface;
The auxiliary power supply comprises an external power type centrifugal fan;
The external power centrifugal fans are arranged on two sides of the conveyor and are connected with a driving shaft at the head end of the conveyor through a linkage shaft, and the external power centrifugal fans are respectively communicated with a multi-point strip-shaped distributed dust collection row, a multi-pipe air injection dust blowing row and a dust discharging and collecting wall surface;
The external power type centrifugal fan comprises a double-row drag reduction centrifugal fan, an air suction port, an air outlet port, a vibration sensor, a one-way exhaust valve, a fan shell, an air suction channel and an exhaust channel; the double-row drag reduction centrifugal fan is arranged in the fan shell, the fan shell is provided with an air outlet port and an air suction port, the air outlet port is communicated with the one-way exhaust valve, the one-way exhaust valve is communicated with the exhaust channel, the air suction port is communicated with the air suction channel, and the vibration sensor is arranged on the conveyor support and is connected with the variable frequency response adjusting module.
The above disclosed apparatus can efficiently reduce the dust concentration near the conveyor belt.
In a specific embodiment, the sealing surface of the zipper type flexible and easily-molded sealing cover is made of elastic wear-resistant fiber materials, and a zipper connecting sealing window structure is additionally arranged on the cover surface and is compatible with the conveyor extending section.
The supporting legs of the supporting frame can be telescopically adjusted, and the height of the transfer closed dust collecting frame can be conveniently adjusted.
In a specific embodiment, the embedded multi-stage blowing dust collection rack is mounted on both sides of the conveyor.
The multipoint bar-shaped distributed dust collection rows are arranged on the adjustable telescopic sliding fixed feet; the multi-point strip-shaped distributed dust collection rows are communicated with the air suction channels, and the air suction channels are communicated with the air suction ports.
The multi-point strip-shaped distribution dust collection row comprises a first multi-point strip-shaped distribution dust collection row and a second multi-point strip-shaped distribution dust collection row.
The multi-pipe air-jet dust blowing row is arranged between the first multi-point strip-shaped distribution dust collection row and the second multi-point strip-shaped distribution dust collection row, is positioned above the conveyor and is close to the upper surface of the conveyor.
The multi-pipe air injection dust blowing exhaust is communicated with the exhaust channel, and the exhaust channel is communicated with the air outlet port.
The adjustable telescopic sliding fixing leg upper end is equipped with slidable stable screw bolt, gradual change adjustable threaded rod and multiple spot slip fixed slot, and the lower extreme is equipped with the fixed buckle of hank scissors formula, can conveniently adjust the height of burying multistage dust absorption frame of blowing to reach better dust collection effect.
In a specific embodiment, the multi-point bar-shaped distributed dust collection row further comprises an open wide-angle adjustable dust collection nozzle, a base, a top wall and an air suction pipe.
The air suction pipe is communicated with the air suction channel; one end of the base is provided with a strong magnetic adsorption fixing cushion layer.
The adjustable dust absorption shower nozzle of open wide angle inlays to be located in the base, the base passes through strong magnetism adsorb fixed bed course bar distribute in roof face adopts strong magnetism to adsorb fixedly to make the installation more convenient and fast.
Preferably, the open wide-angle adjustable dust collection nozzle comprises a shallow cone angle dust collection port, an anti-blocking dust inlet cover, a torch-shaped flow divider, a progressive grading air inlet grid, a rotation turning bearing and a dust collection head lower end body.
The anti-blocking dust inlet cover is arranged at the upper end of the shallow cone angle dust collection port, the progressive grading air inlet grid is arranged inside the shallow cone angle dust collection port, a torch-shaped shunt is arranged in the progressive grading air inlet grid, and the rotating direction-changing bearing is fixed on the air suction pipe.
Preferably, the shallow cone angle dust collection port is detachably connected with the lower forging body of the dust collection head, so that the dust collection head is convenient to detach and replace.
The progressive air inlet grid and the torch-shaped flow divider adopted by the method enable the distribution of dust-containing airflow to be more uniform.
The turning bearing is used for adjusting the angle of the open wide-angle adjustable dust collection nozzle.
Preferably, the anti-blocking dust inlet cover adopts an abrasion-resistant ductile alloy filter screen for preventing large particles from entering to block the air passage.
In a specific embodiment, the multi-pipe jet dust blowing exhaust comprises a root-vine-shaped air inlet channel and an anti-blocking reverse flow gas-phase spray head.
The anti-blocking counter-flow gas-phase spray head comprises a top gas port, an S-shaped anti-blocking gas injection channel, a wheat spike-shaped gas inlet channel, a back-off buffer sealing ring, an anti-fatigue high-toughness gas injection mask and an inserted strong magnetic fixing strip.
The top gas port is annularly distributed at the top of the anti-blocking reverse flow gas-phase spray head and is communicated with the wheat spike-shaped gas inlet channel through the S-shaped anti-blocking gas-spraying channel, the anti-fatigue high-toughness gas-spraying mask is arranged at the top gas port, and the S-shaped gas-spraying channel and the gas-spraying mask can effectively prevent the blockage of the gas channel.
Preferably, the anti-blocking reverse flow gas-phase spray head is provided with the reverse-buckling type buffer sealing ring at the lower end, and the reverse-buckling type buffer sealing ring is provided with the inserted strong magnetic fixing strip.
The anti-blocking countercurrent gas-phase spray head is characterized by being distributed in a row mode through the inserted strong magnetic fixing strips, the inserted strong magnetic fixing strips enable the anti-blocking countercurrent gas-phase spray head to be installed or detached more conveniently.
In a specific embodiment, the turnover type electrostatic precipitator frame further comprises a buffer conductive spring, a side wall, a top cover and an adjustable telescopic sliding fixing foot.
The adjustable telescopic sliding fixing legs are symmetrically arranged on two sides of the conveyor, the side walls are arranged on the adjustable telescopic sliding fixing legs, the top cover is arranged at the top ends of the side walls, the drawing type flexible dust collecting electrode is arranged in the top cover, and the anti-dissipation dust collecting tank is arranged below the drawing type flexible dust collecting electrode; the embedded oscillating dust collecting electrode and the overturning corona electrode are arranged between the side walls and are positioned above the conveyor.
The flip corona electrode is positioned above the buried oscillating dust collector.
The turnover corona electrode and the embedded oscillating dust collecting electrode are connected to the side wall through the buffer conducting spring.
The embedded oscillating dust collecting electrode is internally provided with an adjustable vibrator, and is buried under the grains and vibrates with the grains at the same frequency during working.
Preferably, a Tesla valve dust inlet channel is arranged in the anti-escape dust collection tank, so that dust can be effectively prevented from escaping.
And the buffer conducting spring is externally covered with an insulating wear-resistant leather sheath.
In a specific embodiment, the turnover corona electrode comprises a power-assisted frequency modulation motor, a positive and negative shovel type stirring rotating blade, a rake type multistage turnover tooth and an electrode shaft.
The power-assisted frequency modulation motor is arranged at the middle position of the motor shaft, and the front and back shovel type stirring rotary blades and the rake type multistage turning teeth are symmetrically arranged on the electrode shaft.
The power-assisted frequency modulation motor comprises an inertial power-assisted flywheel and a fine-tuning servo motor, a torque sensor is arranged at the top of a front shovel type stirring rotary blade, a vein friction groove is arranged on the front shovel type stirring rotary She Chan surface, and the rake type multistage turning gear wraps the high-strength insulating outer layer.
In a specific embodiment, the drop down dust collection buffer hopper further comprises a drop down discharge hopper.
The discharging hopper is connected to the tail end of the conveyor by a wear-resistant hinge.
Four high-cap-shaped dust collection cylinders are distributed on the dust collection wall surface, and the high-cap-shaped dust collection cylinders are communicated with the air suction channel.
The multistage buffering flitch adopts gradually telescopic design, and its face covers elasticity power dissipation bed course.
In a specific embodiment, the double row drag reducing centrifugal fan employs an anti-eccentricity profile on both sides of the conveyor.
The vibration sensor is arranged on the conveyor support;
The air suction channel is provided with a ring-stack dust filter cylinder, and the exhaust channel is provided with a residue-blocking dust collection tank and a one-way exhaust valve.
In a specific embodiment, the variable frequency response adjusting module is electrically connected with the moment sensor, the vibration sensor, the power-assisted frequency modulation motor and the adjustable vibrator respectively and is used for adjusting the power of the power-assisted frequency modulation motor according to the transportation inertial impact force of grains measured by the moment sensor at the upper end of the stirring shovel.
And the adjustable vibrator is also used for adjusting the vibration frequency of the adjustable vibrator to form resonance with the grain material according to the vibration frequency measured by the vibration sensor arranged on the conveyor support so as to promote the separation of the grain and the dust.
The transfer closed dust collecting frames are distributed in a transfer area of the conveyor, and the zipper type flexible plastic closed cover is compatible with the extending section of the conveyor, so that the transfer area is effectively closed, and the outward escape of transfer dust is prevented; when grains are transported to the embedded multi-stage blowing dust collection frame through the conveyor in an ascending manner, a mode of dust rising firstly and dust suppression secondly is adopted, a plurality of air injection dust blowing rows buried below the grains are utilized to carry out a large amount of dust rising among the grains, and the dust rising of the grains is removed through multi-point strip-shaped distribution dust collection rows above the grains; when grains continue to be transported to the turnover type electrostatic dust collection frame in an ascending way, dust is efficiently exposed in situ in the grain transportation process by adopting the mechanical action dust emission of physical turnover of the turnover type corona electrode and the same-frequency resonance dust discharge of the embedded vibration dust collection electrode, and the dust is captured and timely removed by adopting a drawing type flexible dust collection polarity; when the grains are conveyed to the blanking end of the conveyor in an uplink way, dust collection of a high cap-shaped dust collection cylinder on the dust collection wall surface and buffer dust reduction of a multi-stage buffer discharging plate are utilized to remove residual dust in the grains again; through the multistage in-situ dust removal, dust near the conveying belt can be efficiently removed.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1, an embodiment of the present application provides in-situ resonance dedusting equipment integrated with in-situ along a storage, transportation and sealing of a grain, comprising: the device comprises a reversed closed dust collection frame 3, a buried multi-stage blowing dust collection frame 4, a turnover type electrostatic dust collection frame 5, a drop type dust collection buffer hopper 7 and an external power type centrifugal fan 8.
A transfer closed dust collection frame 3, a buried multi-stage blowing dust collection frame 4, a turnover type electrostatic dust collection frame 5 and a drop type dust collection buffer hopper 7 are sequentially arranged along the ascending direction of the conveyor 1.
The transfer closed dust collection frame 3 comprises a zip-type flexible plastic closed cover 302 and a support frame 301, the transfer closed dust collection frame 3 is arranged at transfer positions of the conveyor 1 and the transfer conveyor 2, and the zip-type flexible plastic closed cover 302 is arranged on the support frame 301.
The drop-off dust collection buffer hopper 7 is arranged at the blanking end of the conveyor 1.
The embedded multi-stage blowing dust collection frame 4 comprises a first multi-point strip-shaped distribution dust collection row 43, a second multi-point strip-shaped distribution dust collection row 44, a multi-pipe air injection dust collection row 46, a first side adjustable telescopic sliding fixed foot 41 and a second side adjustable telescopic sliding fixed foot 42.
The first side adjustable telescopic sliding fixed leg 41 is arranged on one side of the conveyor 1, the first multipoint bar-shaped distributed dust collection row 43 is fixed at the upper end of the first adjustable telescopic sliding fixed leg, the air inlet side of the first multipoint bar-shaped distributed dust collection row 43 and the first adjustable telescopic sliding fixed leg 41 are arranged at a preset angle and face the upper surface of the conveyor, and the multi-pipe air injection dust blowing row 46 is arranged between the first adjustable telescopic sliding fixed leg 41 and the second adjustable telescopic sliding fixed leg 42 and is positioned above the conveyor 1 and close to the upper surface of the conveyor 1.
The second side adjustable telescopic sliding fixed leg 42 and the second multi-point strip-shaped distributed dust collection row 44 are symmetrically distributed on the other side of the conveyor 1 as described above.
The turnover type electrostatic precipitator frame 5 comprises a buried oscillation dust collecting electrode 54, a turnover type corona electrode 55, a drawing type flexible dust collecting electrode 56 and an anti-dissipation dust collecting tank 57.
The embedded oscillating dust collecting electrode 54 is arranged above the conveyor 1 and is close to the upper surface of the conveyor 1, the turnover type corona electrode 55 is arranged above the embedded oscillating dust collecting electrode 54, the pull type flexible dust collecting electrode 56 is arranged above the turnover type corona electrode 55 and is biased to one side of the conveyor 1, and the anti-escape dust collecting tank 57 is arranged below the pull type flexible dust collecting electrode 56.
The dump dust collection buffer hopper 7 comprises a dump dust collection wall 71 and a multi-stage buffer discharge plate 72, and the multi-stage buffer discharge plate 72 is arranged below the dump dust collection wall 71.
The external power centrifugal fan 8 is arranged on two sides of the conveyor 1 and is connected with a driving shaft at the head end of the conveyor 1 through a linkage shaft, and the external power centrifugal fan 8 is respectively communicated with a first multi-point strip-shaped distributed dust collection row 43, a second multi-point strip-shaped distributed dust collection row 44, a multi-pipe air-jet dust blowing row 46 and the wall surface of the dust collection.
Further, the external power centrifugal fan 8 comprises a double-row drag reduction centrifugal fan 82, an air suction port 83, an air outlet port 84, a vibration sensor 81, a one-way exhaust valve 85, a fan shell, an air suction channel 88 and an exhaust channel 89.
The double-row drag reduction centrifugal fan 82 is arranged in the fan housing of the external power centrifugal fan 8, the fan housing is provided with an air outlet 84 and an air suction port 83, the air outlet 84 is communicated with a one-way exhaust valve 85, the one-way exhaust valve 885 is communicated with an exhaust channel 89, the air suction port 83 is communicated with an air suction channel 88, and the vibration sensor 81 is arranged on a bracket of the conveyor 1 and is connected with a variable frequency response adjusting module (not shown in the figure).
The transfer closed dust collecting frames are distributed in a transfer area of the conveyor, and the zipper type flexible plastic closed cover is compatible with the extending section of the conveyor, so that the transfer area is effectively closed, and the outward escape of transfer dust is prevented; when grains are transported to the embedded multi-stage blowing dust collection frame through the conveyor in an ascending manner, a mode of dust rising firstly and dust suppression secondly is adopted, a plurality of air injection dust blowing rows buried below the grains are utilized to carry out a large amount of dust rising among the grains, and the dust rising of the grains is removed through multi-point strip-shaped distribution dust collection rows above the grains; when grains continue to be transported to the turnover type electrostatic dust collection frame in an ascending way, dust is efficiently exposed in situ in the grain transportation process by adopting the mechanical action dust emission of physical turnover of the turnover type corona electrode and the same-frequency resonance dust discharge of the embedded vibration dust collection electrode, and the pull type flexible dust collection electrode timely removes captured dust in a pull type; when the grains are conveyed to the blanking end of the conveyor in an uplink way, dust collection of a high cap-shaped dust collection cylinder on the dust collection wall surface and buffer dust reduction of a multi-stage buffer discharging plate are utilized to remove residual dust in the grains again; through the multistage in-situ dust removal, dust near the conveying belt can be efficiently removed.
Alternatively, in one embodiment of the present application, a zipper-type flexible pliable closure 302 is mounted around the perimeter of the support frame 301, with a zipper-connected closure window structure mounted on its top facing, and compatible with the run-in section of the conveyor 1.
Preferably, the zipper-type flexible plastic enclosure 302 is made of elastic wear-resistant fiber material, and the supporting frame is made of carbon fiber material.
The supporting legs of the supporting frame 301 can be telescopically adjusted, so that the height of the transfer closed dust collecting frame can be conveniently adjusted.
The transfer closed dust collecting frame 3 can effectively seal the transfer area to prevent the transfer dust from escaping outwards.
Optionally, in one embodiment of the present application, in the embedded multi-stage blowing dust collection frame 4, as shown in fig. 2, a first side adjustable telescopic sliding fixing leg 41 is disposed on one side of the conveyor 1, and a second side adjustable telescopic sliding fixing leg 42 is symmetrically disposed on the other side of the conveyor 1; the multi-pipe air-jet dust-blowing row 46 is arranged between the first side adjustable telescopic sliding fixed pin 41 and the second adjustable telescopic sliding fixed pin 42, is positioned above the conveyor 1 and is arranged close to the upper surface of the conveyor 1; the first multipoint stripe-shaped dust collection row 43 is arranged at the top end of the first side adjustable telescopic sliding fixed leg 41 and forms a preset angle with the first side adjustable telescopic sliding fixed leg 41, the air inlet side of the first multipoint stripe-shaped dust collection row faces the upper surface of the conveyor 1, and the second multipoint stripe-shaped dust collection row 44 is arranged at the top end of the second side adjustable telescopic sliding fixed leg 42 and faces the upper surface of the conveyor 1.
In the operation process of the embedded multi-stage blowing dust collection frame 4, the multi-pipe blowing dust collection row 46 is positioned below the grain stacking, the grain is turned over by utilizing the impact airflow, dust particles in the grain are exposed to the air above the grain, and the first multi-point strip-shaped distribution dust collection row 43 and the second multi-point strip-shaped distribution dust collection row 44 absorb the dust exposed to the air by utilizing negative pressure, so that the dust collection efficiency is improved.
Alternatively, in one embodiment of the present application, as shown in FIG. 4, the multi-tube jet dust blower 46 includes at least two anti-blocking counter-flow gas phase nozzles 461, a gas blowing tube 463, a gas phase nozzle mounting slot 462, and a root-like gas inlet channel 464.
Optionally, at least two gas-phase spray nozzle installing grooves 462 are formed in the gas-phase spray nozzle 463, the anti-blocking countercurrent gas-phase spray nozzle 461 is installed in the gas-phase spray nozzle installing grooves and communicated with the gas-phase spray nozzle 463, the gas-phase spray nozzle 463 is communicated with a root-vine-shaped gas inlet channel 464, the root-vine-shaped gas inlet channel is communicated with the gas inlet pipe 45, and dust mixed in grain materials can be blown out from clean gas blown out from the anti-blocking countercurrent gas-phase spray nozzle 461.
The root-shaped air inlet channel 464 can ensure the air inlet efficiency of the anti-blocking countercurrent gas-phase spray head 461 and improve the smoothness of the air path.
Alternatively, as shown in FIG. 4, the first multi-point, bar-shaped distributed suction line 43 includes at least one open wide-angle adjustable suction nozzle 432; the air suction pipe 48 is provided with an air pipe 431 communicated with the open wide-angle adjustable dust suction nozzle, and the air suction pipe 48 is communicated with the air suction channel 88 through the main air suction pipe 47.
Preferably, the open wide-angle adjustable dust collection nozzle 432 is fixed on the dust collection row in a multi-point strip-shaped distribution manner, so that air flow coverage is enhanced, and dust collection efficiency is improved.
The multi-pipe jet dust blower 46 communicates with an exhaust passage 89, and the exhaust passage 89 communicates with the air outlet port 84.
Preferably, as shown in fig. 2, the first side adjustable telescopic sliding fixing leg 41 is provided with a gradual change adjustable threaded rod 91, a multi-point sliding fixing groove 92, a wringing-shearing type fixing buckle 93 and a slidable stable threaded bolt 90, wherein the gradual change adjustable threaded rod 91 adopts a gradual change shrinkage structure, and a pulley is utilized to rotate along threads so as to realize the adjustment of the height of the support; the side wall of the adjustable telescopic sliding fixed foot is provided with a multi-point sliding fixed groove 92, a plurality of adapting fixed points are distributed on the multi-point sliding fixed groove, the slidable stable threaded bolt 90 can move along the slideway, and the position of the installation fixed foot can be freely adjusted by matching with the slidable stable threaded bolt 90, so that the flexible and various installation positions can be realized; the fixed buckle adopts a cutter type supporting frame which is matched with the two sides of the conveyor 1, is not easy to fall off and is convenient to assemble.
The second multi-point strip dust collection row 44 has the same structure as the first multi-point strip dust collection row 43, and will not be described again here.
The second side adjustable telescopic sliding fixing leg 42 is identical to the first side adjustable telescopic sliding fixing leg 41, and can be referred to as the first side adjustable telescopic sliding fixing leg.
Optionally, in a specific embodiment of the present application, the first multi-point strip-shaped distribution dust collection row 43 further includes a base, a top wall, and a suction pipe 48.
Preferably, as shown in FIG. 3, one end of the base is provided with a strong magnetic attraction fixing pad 434.
The adjustable dust absorption shower nozzle 432 of open wide angle inlays and locates in the base body 433, the base pass through strong magnetism adsorb fixed bed course 434 bar distribute in roof face, adopt strong magnetism to adsorb fixedly make the installation or dismantle convenient and fast more, also can effectively reduce the not hard up risk of base.
Preferably, the base is arranged on the top wall surface in a three-row two-column bar-shaped grading manner.
Optionally, the open wide-angle adjustable vacuum nozzle 432 includes a shallow cone angle dust collection port 4320, an anti-blocking dust inlet cover 4323, a torch-shaped diverter 4325, a progressive stage air inlet grid 4324, a rotation direction-changing bearing 4322, and a vacuum nozzle lower end body 4321.
The shallow cone angle open structure design of the open wide angle adjustable dust collection nozzle 432 can improve the collection amount of air flow.
Wherein, the lower end of the dust collection head lower end body 4321 is communicated with the air pipe 431, the upper end of the dust collection head lower end body 4321 is communicated with the lower end of the shallow cone angle dust collection port 4320, the anti-blocking dust inlet cover 4323 is arranged at the upper end of the shallow cone angle dust collection port 4320, the progressive grading air inlet grid 4324 is arranged inside the shallow cone angle dust collection port 4320, a torch-shaped flow divider 4325 is arranged in the progressive grading air inlet grid 4324, and the rotation direction-changing bearing 4322 is arranged on the air suction pipe 48 communicated with the dust collection head lower end body 4321.
Preferably, the shallow cone angle dust collection port 4320 is detachably connected with the lower end body 4321 of the dust collection head, so that the dust collection port is convenient to detach and/or replace.
The anti-blocking dust inlet cover 4323 can prevent large particles from entering, and the torch-shaped flow divider 4325 can enhance the stability, the directionality and the fluidity of the airflow; the progressive grading air inlet grid 4324 can effectively block large particles from entering and keep air flow smooth; the rotary direction-changing bearing 4322 is fixed on the air suction pipe 48, the angle range of the open wide-angle adjustable dust suction nozzle 432 can be adjusted, and the angle can be adjusted as required to carry out omnibearing effective dust removal; the dust collection head easy to wear adopts a replaceable mode, so that the replacement cost is reduced, and the cleaning and maintenance of the open wide-angle adjustable dust collection nozzle 432 are facilitated.
Alternatively, in one embodiment of the present application, as shown in FIG. 4, the anti-clog, anti-reflux gas phase showerhead 461 includes a showerhead top 4611 and a showerhead tail.
Preferably, the anti-blocking countercurrent gas-phase spray head 461 is arranged on the root-like gas inlet channel 464 with the characteristic of even distribution of hole rows, which can improve the uniformity of gas distribution, reduce the phenomena of grain splashing and countercurrent caused by local gas flow, and improve the in-situ dust outlet efficiency of grains.
The nozzle top 4611 is provided with an S-shaped anti-blocking jet channel 4610, a spike air inlet channel 4612, and an anti-fatigue high-toughness nozzle cover 4613.
In operation, if the nozzle is damaged, dust entering the nozzle will be deposited at the lower section of the S-shaped anti-blocking air injection channel 4610, and when the nozzle is in operation, the dust is carried out of the channel by high-speed air flow, so that the S-shaped anti-blocking air injection channel 4610 can prevent dust particles from polluting the main air intake channel after the nozzle is damaged.
The tail part of the spray head is provided with an inverted buffer sealing ring 4614, a tapered air inlet channel 4616 and an inserted strong magnetic fixing strip 4615.
The inserted strong magnetic fixing strip 4615 is adopted for fixing, the installation process is simple and replaceable, and the possibility of loosening or falling off is reduced; the back-off type buffer sealing ring 4614 effectively slows down abrasion in the moving process and improves tightness between mechanical elements.
The S-shaped anti-blocking air injection channel 4610 is opened on the outer surface of the top 4611 of the spray head and distributed on the top 4611 of the spray head in a ring shape, the S-shaped anti-blocking air injection channel 4610 is communicated with the wheat spike-shaped air inlet channel 4612, and an anti-fatigue high-toughness nozzle cover 4613 is arranged at the opening of the outer part of the S-shaped anti-blocking air injection channel 4610.
The anti-fatigue high-toughness spout cover 4613 is made of high-toughness wear-resistant materials, so that contact wear under grains for a long time is effectively reduced, and a fine mesh cover arranged on the anti-fatigue high-toughness spout cover can prevent particles from entering an air inlet channel to cause blockage in the transportation process.
Preferably, the S-shaped anti-blocking jet channel 4610 is distributed in 3 rows annularly on the top 4611 of the jet.
The upper end of the tail part of the spray head is connected with the bottom of the top 4611 of the spray head, the upper end of the tail part of the spray head is provided with a back-off type buffer sealing ring 4614, an inserted strong magnetic fixing strip 4615 is arranged below the back-off type buffer sealing ring 4614, and the back-off type buffer sealing ring is annularly distributed at the lower end of the tail part of the spray head, and a tapered air inlet channel 4616 is communicated with a wheat ear air inlet channel 4612.
The air inlet pressure can be increased by adopting the tapered air inlet channel, so that the soot blowing effect is better.
The anti-blocking and anti-backflow gas-phase spray heads 461 are distributed in a row-type hole, the anti-blocking and anti-backflow gas-phase spray heads 461 are installed in the gas-phase spray head installation grooves 462 distributed on the root-like gas inlet channels through the inserted strong magnetic fixing strips 4615, and the inserted strong magnetic fixing strips 4615 enable the installation or the disassembly of the anti-blocking and anti-backflow gas-phase spray heads 461 to be more convenient.
Optionally, in an embodiment of the present application, as shown in fig. 5, the inverted electrostatic precipitator frame 5 further includes a buffer conductive spring, a side wall 50, a top cover 53, and an adjustable telescopic sliding fixing leg.
The adjustable telescopic sliding fixing legs comprise one-side adjustable telescopic sliding fixing leg 51 and two-side adjustable telescopic sliding fixing legs 52 which are symmetrically arranged on two sides of the conveyor 1.
The one-side adjustable telescopic sliding fixing leg 51 and the two-side adjustable telescopic sliding fixing leg 52 are identical to the first-side adjustable telescopic sliding fixing leg 41, and will not be described again here.
The side wall 50 includes one side wall and two side walls.
The side wall is arranged on the adjustable telescopic sliding fixed leg 51 on one side, and the side walls are arranged on the adjustable telescopic sliding fixed leg 52 on the two sides; the top cover 53 is installed on the top ends of the side walls and the two side walls, the drawing type flexible dust collecting electrode 56 is arranged in the top cover 53, and the anti-dissipation dust collecting tank 57 is arranged below the drawing type flexible dust collecting electrode 56.
The embedded oscillating dust collector 54 and the flip corona electrode 55 are disposed between the side walls and above the conveyor 1.
The flipped-over corona electrode 55 is located above the buried oscillating collector electrode 54.
The buffer conductive springs include a first spring 503, a second spring 504, a third spring 505, and a fourth spring 506.
One end of the first spring 503 is connected to the side wall on one side, the other end is connected to one end of the turnover corona electrode 55, the other end of the turnover corona electrode is connected to one end of the second spring 504, and the other end of the second spring 504 is connected to the side walls on both sides.
One ends of the third spring 505 and the fourth spring 506 are respectively connected to one side wall and the two side walls, and the other ends of the third spring 505 and the fourth spring 506 are respectively connected to two sides of the embedded oscillating dust collector 54.
An adjustable vibrator 540 is provided inside the buried oscillating dust collector 54, and is buried under the grains during operation and vibrates at the same frequency as the grains, so that dust contained in the grains can be sufficiently discharged.
Preferably, a Tesla valve dust inlet channel is arranged in the anti-escape dust collection tank 57, so that the unidirectional conduction performance is excellent, and the backflow of dust-containing airflow is prevented; the other end of the anti-escape dust collection tank 57 extends to the water and is discharged from the dirt discharge port, thereby effectively preventing the collected dust from escaping.
And the buffer conducting spring is externally covered with an insulating wear-resistant leather sheath.
Alternatively, in one embodiment of the present application, the pull type flexible dust collector 56 includes a dust collector suction belt 560 and a dust scraping plate 561.
The dust collection suction belt 560 is provided to be freely drawn and put in; the scraping plate 561 is disposed on the front side of the dust collecting suction belt and near the front side, and is used for scraping off dust collected by the dust collecting suction belt 560, and the scraped dust enters the anti-dissipation dust collecting tank 57 disposed below the dust collecting suction belt 560.
Alternatively, in one embodiment of the present application, the flip corona electrode 55 includes a power-assisted fm motor 551, a backhoe stirring blade 552, rake multi-stage flipping teeth 553, and an electrode shaft 550.
Wherein, helping hand frequency modulation motor 551 installs in the intermediate position of electrode axle, positive and negative shovel stirring spiral vane 552 and rake multistage stirring tooth 553 for helping hand frequency modulation motor 551 symmetry install in on the electrode axle, positive and negative shovel stirring spiral vane 552 is close to helping hand frequency modulation motor position arrangement, rake multistage stirring tooth 553 keeps away from helping hand frequency modulation motor position arrangement.
The assist fm motor 551 includes an inertial assist flywheel 5510 and a fine servo motor 5511.
A torque sensor 80 is mounted on top of the forward and reverse shovel stirring blade 552.
Preferably, the front and back shovel type stirring rotary blades 552 are provided with a vein-shaped friction groove on the shovel surface, so that the friction force between the front and back shovel type stirring rotary blades and grains is increased, and the release amount of dust mixed with the grains is improved.
Preferably, the forward and reverse shovel style stirring blades 552 include a forward shovel 5520 and a reverse shovel 5521.
Preferably, the rake type multistage turning teeth 553 adopt stepped increasing comb teeth, so as to enhance the turning effect on grains; and wrap up the insulating outer layer of high strength, form effectual electrical isolation in order to guarantee safety.
In the above-mentioned turn-over type electrostatic precipitator frame 5, the adjustable vibrator 540 embedded in the inside of the oscillating collector 54 oscillates out the dust of the grains passing therethrough, and the dust is dissipated into the air above the grains; the grains collide and impact the forward and backward shovel stirring rotating blades 552 to drive the rake type multistage stirring teeth 553 to rotate, so that the grains are turned, and the release amount of dust is further improved. The released dust is polar under the action of the turnover corona electrode 55, the pull type flexible dust collecting electrode 56 absorbs the dissipated dust, and after the dust absorption is enough, the dust collecting pull belt 560 is pulled, so that the dust scraping plate 561 scrapes off the dust on the dust collecting pull belt 560 and falls into the lower anti-dissipation dust collecting tank 57, and the dust collection of the cereal interior is completed.
Alternatively, in one embodiment of the present application, as shown in fig. 1, the dump dust buffer hopper 7 includes a dump hopper 70, a dump dust wall 71, and a multi-stage buffer discharge plate 72.
Optionally, the discharge hopper 70 is connected to the tail end of the conveyor 1 with a wear resistant hinge.
Four high-cap-shaped dust collection cylinders 6 are distributed on the discharging dust collection wall surface 71, the high-cap-shaped dust collection cylinders 6 are communicated with the air suction channel 88, and the high-cap-shaped dust collection cylinders 6 can absorb dust in grains passing through the discharging hopper 70.
Preferably, the multistage buffering discharging plate 72 adopts a gradual telescopic design, and the plate surface of the multistage buffering discharging plate is covered with an elastic force dissipation cushion layer.
Preferably, the upper cap-shaped dust collection cylinder 6 tapers from its inlet to its outlet, which increases the dust collection range.
Alternatively, in one embodiment of the present application, as shown in FIG. 7, double row drag reducing centrifugal fans 82 are employed with anti-eccentricity distributed on both sides of the conveyor.
The vibration sensor 81 is arranged on the support of the conveyor 1.
Preferably, the fm gear 820 is mounted to the axial end of the double row drag reducing centrifugal fan 82.
One end of the air suction channel 88 is communicated with the air suction port 83, and the other end of the air suction channel 88 is respectively communicated with the outlets of the 4 high cap-shaped dust suction cylinders 6 and the main air suction pipes 47 of the multi-point strip-shaped dust suction rows.
One end of the exhaust passage 89 communicates with the air outlet port 84 and the air outlet port 840, respectively, and the other end of the exhaust passage 89 communicates with the intake pipe 45.
The suction channel 88 is provided with a ring-stack dust filter cylinder 86, the exhaust channel 89 is provided with a residue-blocking dust collection tank 87, a one-way exhaust valve 850 and a one-way exhaust valve 85, the one-way exhaust valve 85 is arranged near the position of the air outlet port 84, and the one-way exhaust valve 850 is arranged near the position of the air outlet port 840.
The one-way exhaust valve 85 can effectively prevent the air flow from flowing back; the residue-blocking dust tank 87 can clean residual dust in the air flow and provide clean air flow for the anti-blocking counter-flow gas-phase spray head 461; the annular stack dust filter 86 filters dust in the air flow to provide clean air flow to the external power centrifugal fan 8.
Alternatively, in one embodiment of the present application, a variable frequency response adjustment module (not shown) is electrically connected to the torque sensor 80, the vibration sensor 81, the power-assisted fm motor 551, the fm gear 820, and the adjustable vibrator 540, respectively.
The corresponding frequency conversion adjusting module adjusts the power of the power-assisted frequency modulation motor 551 according to the transport inertial impact force of grains measured by the torque sensor 80 positioned at the upper end of the front backhoe type stirring rotating blade 552.
The variable frequency response adjusting module adjusts the vibration frequency of the adjustable vibrator 540 to form resonance with the grain material according to the vibration frequency measured by the vibration sensor 81 arranged on the support of the conveyor 1, so as to promote the separation of the grain and the dust.
The frequency conversion response adjusting module adjusts the frequency of the frequency modulation gear 820 according to the moment and the vibration frequency signals, and controls the rotation speed of the double-row drag reduction centrifugal fan 82 through the frequency modulation gear 820, so that the air suction quantity of the first multi-point strip-shaped distributed dust suction row 43, the second multi-point strip-shaped distributed dust suction row 44 and the top hat-shaped dust suction cylinder 6 can be adjusted in real time, and the air blowing quantity of the multi-pipe jet-propelled dust blowing row 46 can be adjusted.
The following describes the working process of the whole equipment to facilitate understanding of the technical scheme:
When specific dust removal is implemented, the whole dust removal process of the equipment is started by cereal preparation transfer, cereal is transferred in a transfer area of the conveyor 1, the transfer closed dust collecting frames 3 are distributed in the transfer area of the conveyor 1, and the zipper type flexible plastic closed cover 302 is compatible with the extending section of the conveyor 1, so that the transfer area is effectively closed, and the outward escape of transfer dust is prevented; during the continuous transmission and lifting process of the grain conveyor 1, the torque sensor 80 and the vibration sensor 81 collect data in real time and transmit signal feedback to the variable frequency response adjusting module, and the variable frequency response adjusting module adjusts the vibration frequency of the adjustable vibrator 540, the power of the power-assisted frequency modulation motor 551 and the frequency of the frequency modulation gear 820 in real time according to the collected data, and the frequency modulation gear 820 controls the rotating speed of the double-row drag reduction centrifugal fan 82 by changing the frequency of the frequency modulation gear; when grains are conveyed up to the embedded multi-stage blowing dust collection frame 4 through the conveyor 1, a mode of dust raising before dust suppression is adopted, a plurality of air injection dust blowing rows 46 buried below the grains are utilized to carry out a large amount of dust raising among the grains, and the dust raising of the grains is removed through the multi-point strip-shaped distributed dust collection rows above; when grains continue to be transported to the turnover type electrostatic dust collection frame 5, the dust is efficiently exposed in situ in the grain transportation process by adopting the mechanical action dust emission of the physical turnover type corona electrode 55 and the same-frequency resonance dust emission of the embedded type vibration dust collection electrode 54, and the pull type flexible dust collection electrode 53 timely removes the captured dust in a pull type; when grains are conveyed to the blanking end of the conveyor 1 in an uplink manner, dust collection of a high cap-shaped dust collection cylinder 6 on the dust collection wall surface and buffering and dust reduction of a multi-stage buffering discharging plate are utilized to remove residual dust in the grains again; through the multistage in-situ dust removal, dust near the conveying belt can be efficiently removed.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.