CN119238786A - New material screening device and method - Google Patents
New material screening device and method Download PDFInfo
- Publication number
- CN119238786A CN119238786A CN202411764512.5A CN202411764512A CN119238786A CN 119238786 A CN119238786 A CN 119238786A CN 202411764512 A CN202411764512 A CN 202411764512A CN 119238786 A CN119238786 A CN 119238786A
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- screening
- bin
- baffle plate
- screen
- new material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/10—Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/10—Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges
- B04B2005/105—Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges being a grinding mill
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the technical field of new material screening, and discloses a new material screening device and a new material screening method, wherein the new material screening device comprises a device frame, a storage bin, a screening bin and a collecting bin, a screening mechanism is arranged in the screening bin, the screening mechanism comprises an inclined screen drum screen, a fixed baffle plate is fixedly connected at the inner upper part of the inclined screen drum screen, the inner lower part of the inclined screen rotary screen is movably connected with a movable baffle plate, one side of the movable baffle plate, which is close to the fixed baffle plate, is rotationally connected with a crushing tool rest, and a combined mechanism is uniformly arranged outside the screening bin and comprises a knocking block, a dust suction pipe and an axisymmetric abutting block. The invention can realize the centrifugal screening function of new materials and the stacking crushing function of new material coarse materials, and the new material mixture subjected to stacking crushing can be pushed to a position close to the fixed baffle plate through the movable baffle plate to carry out secondary centrifugal screening, and can realize the knocking anti-blocking function of the inclined screen drum screen and the dust collection and dust reduction function of the upper part in the screening bin.
Description
Technical Field
The invention relates to the technical field of new material screening, in particular to a new material screening device and a new material screening method.
Background
The new material refers to a newly developed or developing structural material with excellent performance and a functional material with special properties, wherein the structural material mainly utilizes the mechanical properties such as strength, toughness, hardness, elasticity and the like, and the functional material mainly utilizes the functions and physical effects such as electricity, light, sound, magnetism, heat and the like. In the preparation process of new materials, screening treatment is often required to be carried out on the produced new materials, so that the particle size of the raw materials is controlled, and the production quality and the production efficiency of the new materials are ensured.
Through retrieving, chinese patent of the invention with publication number CN110154265A discloses an energy-saving fine grinding disc grinding device for processing new materials of PVC, comprising a base, a grinding box, a material dividing device, a driving motor and a screening groove, wherein the material dividing device is arranged on the left side of the top of the grinding box, a preliminary grinding cavity is arranged on the upper part of the inside of the grinding box, a limit sliding rod is welded in the inside of the grinding box horizontally, and the screening groove is slidably arranged on the limit sliding rod. Compared with the prior art, the Chinese patent of the publication No. CN110154265A can accelerate the screening speed of the PVC new material powder in the screening groove, and avoid the condition that the PVC new material powder blocks meshes.
However, in the above-mentioned fine grinding disc pulverizing device for processing energy-saving PVC new materials, the fine grinding disc pulverizing device can uniformly collect new materials with uniform granularity obtained by screening through a screening groove, the new materials coarse materials intercepted by screening are manually taken out to be crushed and re-screened, the subsequent crushing and re-screening operations can definitely reduce the screening efficiency of the device, and the screening groove which moves horizontally is easily blocked to influence the screening effect of the device, and meanwhile, the dust generated in the screening process is easily flying to influence the working environment, so that the new materials need to be crushed and re-screened to improve the screening efficiency, the blockage can be prevented to improve the screening effect, and meanwhile, the dust fall can be reduced to optimize the new materials screening device and method of the working environment.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the screening efficiency of a device is definitely reduced by manually taking materials and then carrying out subsequent crushing and rescreening operations, the screening effect of the device is affected due to the fact that a horizontally moving screening groove is easily blocked, and meanwhile, the working environment is affected due to the fact that dust generated in the screening process is easily flying.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The novel material screening device comprises a device frame, a storage bin, a screening bin and a collection bin, wherein the storage bin is fixedly connected to the inside of the device frame, the collection bin is movably arranged inside the device frame, a feed pipe extending to the inside of the screening bin is fixedly connected to the bottom of the storage bin, a discharge pipe extending to the upper part of the collection bin is fixedly connected to the bottom of the screening bin, a screening mechanism for screening novel materials is arranged inside the screening bin, the screening mechanism comprises an inclined screen rotary screen which is rotatably connected to the inside of the screening bin, a fixed striker plate is fixedly connected to the inner upper part of the inclined screen rotary screen, a movable striker plate is movably connected to the inner lower part of the inclined screen rotary screen, a crushing cutter frame is rotatably connected to one side of the movable striker plate, a rotating piece connected with the crushing cutter frame is arranged inside the inclined screen rotary screen, and a pulling piece is arranged on the outer side of the movable striker plate;
the outside in screening storehouse evenly is provided with the combined mechanism that is used for preventing stifled dust fall, combined mechanism is including setting up the knocking block at the outside top of inclined screen drum sieve, setting up dust absorption pipe and the axisymmetric fixed connection at the outside butt piece of inclined screen drum sieve of screening storehouse, the butt piece with the outside of knocking the piece all is provided with the butt inclined plane.
The technical scheme further comprises the following steps:
The novel material screening device comprises a feeding pipe, a screening bin, a movable baffle plate, an electromagnetic switch valve, a movable baffle plate, a shielding plate and a shielding plate, wherein the electromagnetic switch valve is arranged in the middle of the outer part of the feeding pipe, the inner lower part of the screening bin is provided with a touch switch which is connected with the electromagnetic switch valve and is in butt joint with the movable baffle plate, when the movable baffle plate is in butt joint with the movable switch, the electromagnetic switch valve is in an opening state, so that a novel material in the storage bin enters the inclined screen drum screen through the feeding pipe, and when the movable baffle plate is far away from the touch switch, the electromagnetic switch valve is in a closing state to stop feeding, and the secondary screening of the novel material and the material are prevented from being influenced by continuous feeding in the inclined screen drum screen.
The novel material screening device comprises a feeding pipe, a fixed baffle plate, a fixed rod group, a movable baffle plate, an annular brush plate, a movable baffle plate and a rotary screen cylinder screen, wherein the feeding pipe is fixedly communicated with the fixed baffle plate, the fixed baffle plate is fixedly connected with the fixed rod group, the movable baffle plate is in sliding connection with the outside of the fixed rod group, the annular brush plate is fixedly connected with the outer ring of the movable baffle plate and used for cleaning the inner wall of the rotary screen cylinder screen, and when the movable baffle plate moves towards the direction close to the fixed baffle plate, the novel material mixture which is accumulated at the inner bottom of the rotary screen cylinder screen and is crushed can be pushed to the position close to the fixed baffle plate for secondary screening, and meanwhile the annular brush plate can be driven to clean the inner wall of the rotary screen cylinder screen so as to prevent the rotary screen cylinder screen from being blocked.
The rotary piece comprises an outer cross rotary rod which is rotationally connected inside the screening bin, through holes A for allowing the outer cross rotary rod to pass through are formed in the middle of the fixed material baffle and the middle of the movable material baffle, an inner cross rotary sleeve is movably sleeved outside the outer cross rotary rod, and the crushing tool rest is rotationally connected with the movable material baffle through the inner cross rotary sleeve;
The rotating piece further comprises inner gear rings which are symmetrically and rotatably connected in the screening bin, the symmetrical inner gear rings are fixedly connected with two ends of the inclined screen rotary screen respectively, sun gears are fixedly connected to two ends of the outer cross rotating rod, planetary gear sets meshed with the inner sides of the inner gear rings are connected to the outer parts of the sun gears in a meshed mode, and the planetary gear sets are rotatably connected in the screening bin;
The rotary piece further comprises a driving motor A arranged outside the screening bin, and the output end of the driving motor A rotationally extends to the inside of the screening bin and is fixedly connected with the end part of the outer cross rotary rod;
The driving motor A can drive the outer cross rotating rod to rotate, the outer cross rotating rod drives the inclined screen rotary screen to reversely rotate through the sun gear, the planetary gear set and the inner gear ring, the reverse rotating inclined screen rotary screen drives new materials in the reverse rotating inclined screen rotary screen to centrifugally screen, meanwhile, the outer cross rotating rod can drive the crushing tool rest to rotate through the inner cross rotating sleeve, and the crushing tool rest can crush the new material coarse materials accumulated on the side part of the movable baffle plate.
The pulling piece comprises a pulling rope, a fixed pulley block and a reel, wherein the pulling rope is symmetrically and fixedly connected to the outer side of the movable striker plate, the fixed pulley block is symmetrically arranged at the outer part of the screening bin, the reel is symmetrically and rotationally connected to the inner part of the device frame, a through hole B extending to the outer part of the screening bin is symmetrically formed in the outer part of the fixed striker plate, one end, far away from the movable striker plate, of the pulling rope penetrates through the through hole B, bypasses the fixed pulley block and is wound on the outer part of the reel, the reel is symmetrically and rotationally connected to the inner part of the device frame through an upper rotating shaft, and an upper meshing gear is fixedly connected to the middle part of the upper rotating shaft;
The pulling piece further comprises a driving motor B arranged in the device frame, the output end of the driving motor B is fixedly connected with a lower rotating shaft which is rotationally connected with the inner wall of the device frame, and the middle part of the lower rotating shaft is provided with a lower meshing gear;
A driving piece is arranged between the lower rotating shaft and the lower meshing gear, and comprises a driving disc fixedly connected to the outer part of the lower rotating shaft and driving grooves axially symmetrically arranged on the inner side of the lower meshing gear, an inner groove is symmetrically arranged on the outer side shaft of the driving disc, a driving block capable of entering the inner part of the driving groove is slidingly connected in the inner groove, and a reset spring is fixedly connected between the inner groove and the driving block;
when the driving motor B starts to drive the lower rotating shaft and the driving disc to rotate, the axisymmetric driving blocks enter the driving groove under the action of centrifugal force, so that the lower meshing gear rotates anticlockwise to drive the upper meshing gear to rotate clockwise, and the winding of the pulling rope is realized.
The external part of the screening bin is provided with a timing starting switch connected with the driving motor A, the external part of the screening bin is also provided with a transparent observation window close to the movable striker plate and the crushing knife rest, the timing starting switch can regularly start the driving motor B to rotate for a preset time period, and the accumulation amount of new material and materials accumulated on the side part of the movable striker plate can be observed through the transparent observation window.
The combined mechanism further comprises a U-shaped air pressure bin fixedly communicated with the outside of the screening bin, a piston block is arranged in one end of the U-shaped air pressure bin, a power storage spring is fixedly connected between the piston block and the U-shaped air pressure bin, a piston rod is fixedly connected between the piston block and the knocking block, the other end of the U-shaped air pressure bin is fixedly communicated with the dust suction pipe, an upper deflection valve plate and an outer deflection valve plate are respectively arranged in one end, close to each other, of the U-shaped air pressure bin and the dust suction pipe, one end, far away from the U-shaped air pressure bin, of the dust suction pipe penetrates through the device frame and extends to the inside of the water tank, and the water tank is fixedly connected to the back of the device frame;
when the inclined screen rotary screen rotating outwards drives the abutting block to rotate, the abutting block can drive the knocking block to shrink to the inside of the U-shaped air pressure bin through the abutting inclined plane, the knocking block shrinks to enable the outer deflection valve plate to deflect outwards to realize dust discharge, and the knocking block resets to knock the inclined screen rotary screen to knock off raw materials blocked on the inner wall and the outer wall of the inclined screen rotary screen and enable the upper deflection valve plate to deflect upwards to realize dust suction.
The new material screening method adopts the new material screening device and comprises the following steps:
S1, starting the device, namely starting a driving motor A to enable an outer cross rotating rod to rotate, namely enabling an inclined screen drum screen to rotate so as to screen new materials to be screened, and enabling a crushing tool rest to reversely rotate so as to crush the new materials and coarse materials to be screened;
S2, feeding by the device, namely adding new materials into the storage bin, so that the new materials in the storage bin enter the inclined screen drum screen through the feeding pipe;
S3, screening and crushing, namely centrifugally screening new materials entering the inclined screen drum screen under the drive of the inclined screen drum screen, enabling screened new material fine materials to enter the collecting bin, and accumulating screened and intercepted new material coarse materials on the side part of the movable baffle plate and crushing through a rotary crushing knife rest;
S4, knocking dust collection, namely driving a knocking block to repeatedly move through an axisymmetric abutting block by rotating the inclined screen rotary screen for screening, enabling the knocking block to move upwards so that the outer deflection valve plate deflects outwards to realize dust discharge, enabling the knocking block to reset downwards to knock the inclined screen rotary screen and enabling the upper deflection valve plate to deflect upwards to realize dust suction;
S5, crushing and returning materials, namely closing the crushing cutter frame which continuously rotates after the starting time of the driving motor B is up, and driving the movable baffle plate to push the new material mixture piled on the side part of the movable baffle plate to a position close to the fixed baffle plate while continuously crushing the materials;
S6, secondary screening, namely carrying out secondary centrifugal screening on new material mixed materials pushed to be close to the fixed baffle plate by a reverse rotating inclined screen rotary screen.
The invention has the following beneficial effects:
1. According to the invention, the driving motor A is started to enable the entering new material to be centrifugally screened gradually towards the bottom end under the driving of the inclined screen drum screen, the screened new material fine material enters the screening bin and enters the collecting bin through the discharging pipe, the screened and intercepted new material coarse material is piled on the side part of the movable baffle plate and crushed through the rotating crushing knife rest, so that centrifugal screening of the new material and piling crushing of the new material coarse material can be realized, and the piled and crushed new material can be pushed to a position close to the fixed baffle plate through the movable baffle plate for secondary centrifugal screening.
2. In the process of realizing centrifugal screening of new materials and accumulation and crushing of coarse materials of the new materials by starting the driving motor A, the knocking block can be driven to move repeatedly through the axisymmetric abutting blocks, the knocking block moves upwards to enable the outer deflection valve plate to deflect outwards so as to realize dust discharge, the knocking block resets downwards to knock the inclined screen drum screen and enable the upper deflection valve plate to deflect upwards so as to realize dust suction.
Drawings
FIG. 1 is a schematic diagram of a front view of a new material screening apparatus according to the present invention;
FIG. 2 is a schematic view of the back side of the new material screening apparatus of the present invention;
FIG. 3 is a schematic illustration of a first front cross-sectional configuration of a new material screening apparatus according to the present invention;
FIG. 4 is a schematic illustration of a second front cross-sectional configuration of the new material screening apparatus of the present invention;
FIG. 5 is an enlarged schematic view of the structure A in FIG. 4;
FIG. 6 is a schematic side cross-sectional view of a screening bin of the present invention;
FIG. 7 is an enlarged schematic view of the structure shown at B in FIG. 6;
FIG. 8 is a schematic elevational view of the screening bin of the present invention in cross-section;
FIG. 9 is a schematic elevational view in cross-section of a trommel drum screen of the present invention;
FIG. 10 is a schematic side cross-sectional view of a trommel drum screen of the present invention;
FIG. 11 is a schematic illustration of the front cross-section of the movable striker plate of the present invention;
FIG. 12 is a flow chart of a new material screening method according to the present invention.
1, A device frame; 2, a storage bin; 3, screening bins; 4, a collecting bin, 5, a feeding pipe, 6, a discharging pipe, 7, a screening mechanism, 70, a rotary screen with inclined screen, 71, a fixed baffle plate, 72, a movable baffle plate, 73, a crushing knife rest, 74, a rotating piece, 740, an outer cross rotating rod, 741, a through hole A, 742, an inner cross rotating sleeve, 743, an inner gear ring, 744, a sun gear, 745, a planetary gear set, 746, a driving motor A, 75, a pulling piece, 750, a pulling rope, 751, a fixed pulley block, 752, a reel, 753, a through hole B, 754, an upper rotating shaft, 755, an upper meshing gear, 756, a driving motor B, 757, a lower rotating shaft, 758, a lower meshing gear, 759, a driving piece, 7590, a driving disc, 7591, a driving groove, 7592, an inner groove, 7593, a driving block, 7594, a reset spring, 76, a fixed rod group, 77, an annular brush plate, 8, a combining mechanism, 80, a block, 81, a dust suction pipe, 82, a U-shaped air pressure bin, 83, a piston block, 84, a storage spring, 86, a valve plate, 88, a valve plate, a rotary switch, a damper, a transparent switch, a touch window, a transparent switch, a touch case, a transparent switch, a touch panel, a transparent switch, and a transparent switch, etc.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-6 and fig. 8-11, the new material screening device provided by the invention comprises a device frame 1, a storage bin 2 fixedly connected inside the device frame 1, a screening bin 3 and a collecting bin 4 movably arranged inside the device frame 1, wherein a feed pipe 5 extending into the screening bin 3 is fixedly communicated with the bottom of the storage bin 2, the feed pipe 5 is fixedly communicated with a fixed baffle plate 71, an electromagnetic switch valve 9 is arranged at the outer middle part of the feed pipe 5, a touch switch 10 connected with the electromagnetic switch valve 9 and abutted with a movable baffle plate 72 is arranged at the inner lower part of the screening bin 3, when the movable baffle plate 72 abuts against the movable switch 10, the electromagnetic switch valve 9 is in an open state, so that new material inside the storage bin 2 enters the inclined screen drum screen 70 through the feed pipe 5, when the movable baffle plate 72 is far away from the touch switch 10, the electromagnetic switch valve 9 is in a closed state to stop feeding, so that secondary screening of new material mixing is prevented from being influenced by continuous feeding in the inclined screen rotary screen 70, a discharging pipe 6 extending to the upper part of the collecting bin 4 is fixedly communicated with the bottom of the screening bin 3, new material fine materials screened out by the inclined screen rotary screen 70 enter the inside of the collecting bin 4 through the discharging pipe 6, a timing start switch 11 connected with a driving motor B756 is arranged on the outside of the screening bin 3, the timing start switch 11 can periodically start the driving motor B756 to rotate for a preset period, a transparent observation window 12 close to the movable baffle plate 72 and the crushing knife rest 73 is further arranged on the outside of the screening bin 3, and the new material stacking amount stacked on the side part of the movable baffle plate 72 can be observed through the transparent observation window 12;
The screening bin 3 is internally provided with a screening mechanism 7 for screening new materials, the screening mechanism 7 comprises an inclined screen rotary screen 70 which is rotatably connected in the screening bin 3, a fixed baffle plate 71 is fixedly connected to the inner upper part of the inclined screen rotary screen 70, a movable baffle plate 72 is movably connected to the inner lower part of the inclined screen rotary screen 70, a fixed rod group 76 is fixedly connected between the fixed baffle plate 71 and the screening bin 3, the movable baffle plate 72 is slidably connected to the outer part of the fixed rod group 76, an annular brush plate 77 for cleaning the inner wall of the inclined screen rotary screen 70 is fixedly connected to the outer ring of the movable baffle plate 72, when the movable baffle plate 72 moves towards the direction close to the fixed baffle plate 71, the new materials which are accumulated at the inner bottom of the inclined screen rotary screen 70 and crushed are pushed to the position close to the fixed baffle plate 71 for secondary screening, meanwhile, the annular brush plate 77 can be driven to clean the inner wall of the inclined screen rotary screen 70 so as to prevent the inclined screen 70 from being blocked, a crushing cutter frame 73 is rotatably connected to one side of the movable baffle plate 72 close to the fixed baffle plate 71, and a crushing cutter frame 74 is rotatably connected to the outer side of the movable baffle plate 72;
The rotating member 74 comprises an outer cross rotating rod 740 rotatably connected to the inside of the screening bin 3, through holes A741 for allowing the outer cross rotating rod 740 to pass through are formed in the middle parts of the fixed baffle plate 71 and the movable baffle plate 72, an inner cross rotating sleeve 742 is movably sleeved outside the outer cross rotating rod 740, the crushing cutter frame 73 is rotatably connected with the movable baffle plate 72 through the inner cross rotating sleeve 742, the outer cross rotating rod 740 can drive the crushing cutter frame 73 to rotate through the inner cross rotating sleeve 742, the crushing cutter frame 73 can crush new material coarse materials accumulated on the side part of the movable baffle plate 72 through rotation of the crushing cutter frame 73, the rotating member 74 further comprises a driving motor A746 arranged outside the screening bin 3, the output end of the driving motor A746 is rotationally extended to the inside of the screening bin 3 and is fixedly connected with the end part of the outer cross rotating rod 740, the rotating piece 74 also comprises an inner gear ring 743 which is symmetrically rotationally connected to the inside of the screening bin 3, the symmetrical inner gear ring 743 is respectively fixedly connected with two ends of the inclined screen rotary screen 70, two ends of the outer cross rotating rod 740 are fixedly connected with sun gears 744, planetary gear sets 745 meshed with the inner sides of the inner gear ring 743 are externally meshed with the sun gears 744, the planetary gear sets 745 are rotationally connected to the inside of the screening bin 3, the outer cross rotating rod 740 drives the inclined screen rotary screen 70 to reversely rotate through the sun gears 744, the planetary gear sets 745 and the inner gear rings 743, and the reversely rotated inclined screen rotary screen 70 drives new materials in the inclined screen rotary screen to centrifugally screen;
The pulling piece 75 comprises a pulling rope 750 symmetrically and fixedly connected to the outer side of the movable baffle 72, a fixed pulley block 751 symmetrically arranged outside the screening bin 3 and a winding wheel 752 symmetrically and rotatably connected to the inside of the device frame 1, a through hole B753 extending to the outside of the screening bin 3 is symmetrically formed in the outer side of the fixed baffle 71, one end of the pulling rope 750, far away from the movable baffle 72, passes through the through hole B753, bypasses the fixed pulley block 751 and is wound on the outside of the winding wheel 752, the symmetrical winding wheel 752 is rotatably connected to the inside of the device frame 1 through an upper rotating shaft 754, an upper meshing gear 755 is fixedly connected to the middle part of the upper rotating shaft 754, the upper meshing gear 755 drives the symmetrical winding wheel 752 to rotate clockwise through the upper rotating shaft 754, so that the movable baffle 72 pushes new materials stacked on the side of the movable baffle to a position close to the fixed baffle 71, the output end of the driving motor B756 is fixedly connected to a lower rotating shaft 757 rotatably connected to the inner wall of the device frame 1, the lower rotating shaft 757 is rotatably arranged through the upper rotating shaft 754, and the lower rotating shaft 759 is rotatably meshed with the lower rotating shaft 7575, and the lower rotating shaft 759 is rotatably meshed with the lower rotating shaft 757 when the lower rotating shaft 759 is rotatably arranged;
The driver 759 includes a driving disk 7590 fixedly connected to the outside of the lower rotating shaft 757 and a driving groove 7591 axisymmetrically formed on the inner side of the lower engaging gear 758, the outer side shaft of the driving disk 7590 is symmetrically formed with a built-in groove 7592, a driving block 7593 capable of entering the driving groove 7591 is slidably connected to the inside of the built-in groove 7592, a reset spring 7594 is fixedly connected between the built-in groove 7592 and the driving block 7593, the lower rotating shaft 757 rotates to enable the driving disk 7590 to rotate, so that the axisymmetric driving block 7593 is enabled to enter the driving groove 7591 by centrifugal force, and the lower engaging gear 758 is enabled to rotate anticlockwise along with the driving disk 7590.
In the initial state, a driving motor A746 is required to be started to drive an outer cross rotating rod 740 to rotate, the outer cross rotating rod 740 rotates to drive sun gears 744 at two ends to rotate, sun gears 744 at two ends rotate to drive an inner gear ring 743 to reversely rotate through a planetary gear set 745, so that an inclined screen drum screen 70 reversely rotates to screen new materials, meanwhile, the outer cross rotating rod 740 drives a crushing knife rest 73 to rotate through an inner cross rotating sleeve 742 to crush the new materials coarse materials, then new materials are added into a storage bin 2, the new materials in the storage bin 2 enter the inclined screen drum screen 70 through a feeding pipe 5, the new materials entering the inclined screen drum screen 70 gradually enter the bottom end to centrifugally screen under the driving of the inclined screen drum screen 70, the screened new materials enter the inside of a screening bin 3 and enter the inside of a collecting bin 4 through a discharging pipe 6, and the screened and intercepted new materials coarse materials are piled on the side of a movable baffle plate 72 and crushed through the rotating crushing knife rest 73;
After the screening time reaches the preset time, the timing start switch 11 enables the drive motor B756 to start the preset time, so that the lower rotating shaft 757 and the drive disc 7590 rotate anticlockwise, the anticlockwise rotating drive disc 7590 enables the axisymmetric drive block 7593 to be acted by centrifugal force and enter the inside of the drive groove 7591 (in the process, the axisymmetric reset spring 7594 is stretched), so that the lower meshing gear 758 can rotate anticlockwise along with the drive disc 7590, the anticlockwise rotating lower meshing gear 758 drives the upper meshing gear 755, the upper rotating shaft 754 and the symmetric winding wheel 752 to rotate clockwise, so that the winding wheel 752 winds the pull rope 750, the wound pull rope 750 pulls the movable baffle 72 to be separated from the touch switch 10 and pushes the new material mixture stacked on the side of the movable baffle to a position close to the fixed baffle 71 (in the process, the crushing knife rest 73 still rotates to crush the new material mixture), and the electromagnetic switch 10 is separated from the electromagnetic switch valve 9 to close so as to stop feeding inside the inclined screen drum screen 70;
When the starting time of the driving motor B756 reaches the preset time, the axisymmetric driving block 7593 enters the interior of the built-in groove 7592 through the stretched reset spring 7594, namely, the rotation of the lower meshing gear 758 is not influenced by the driving piece 759, the continuously rotating crushing knife rest 73 can drive the movable baffle 72 to reset gradually to the bottom end under the action of centrifugal force while continuously crushing (in the process, the movable baffle 72 pulls the symmetric pulling ropes 750, so that the symmetric winding wheels 752 rotate anticlockwise to release the pulling ropes 750), and the reversely rotating inclined screen rotary screen 70 can perform secondary centrifugal screening on the crushed new material mixture;
after the movable striker plate 72 is reset to the initial state and contacts the movable switch 10, the electromagnetic switch valve 9 is opened to continue feeding inside the inclined screen drum screen 70, and thereafter, the screening work of the new material, the crushing work of the new material coarse material and the secondary screening work of the new material mixture are continued to be repeated, thereby screening the obtained new material fine material with uniform granularity.
The main difference between the embodiment and the prior art is that the driving motor A746 is started to make the new material enter gradually and centrifugally screen toward the bottom end under the driving of the inclined screen drum screen 70, the screened new material fine material enters the screening bin 3 and enters the collecting bin 4 through the discharging pipe 6, the screened and intercepted new material coarse material is piled up on the side part of the movable baffle plate 72 and crushed through the rotary crushing knife rest 73, namely, the centrifugal screening of the new material and the piling crushing of the new material coarse material can be realized, and the piled and crushed new material mixture can be pushed to a position close to the fixed baffle plate 71 through the movable baffle plate 72 for secondary centrifugal screening.
Example two
As shown in fig. 1-4 and fig. 6-8, based on the first embodiment, the outside of the screening bin 3 is uniformly provided with a combined mechanism 8 for preventing blocking and dust falling, the combined mechanism 8 comprises a knocking block 80 arranged at the outer top of the inclined screen drum screen 70, a dust suction pipe 81 arranged at the outer top of the screening bin 3 and an abutting block 88 axially symmetrically and fixedly connected at the outer part of the inclined screen drum screen 70, the outer sides of the abutting block 88 and the knocking block 80 are respectively provided with an abutting inclined surface 89,
The knocking block 80 knocks the inclined screen drum screen 70 to knock off the raw materials blocked on the inner and outer walls thereof, the dust suction pipe 81 can absorb the dust flying to the upper part of the screening bin 3, when the inclined screen drum screen 70 which rotates outwards drives the abutting block 88 to rotate, the abutting block 88 can drive the knocking block 80 to retract into the U-shaped air pressure bin 82 through the abutting inclined surface 89;
The combined mechanism 8 further comprises a U-shaped air pressure bin 82 fixedly communicated with the outside of the screening bin 3, a piston block 83 is arranged inside one end of the U-shaped air pressure bin 82, an upper deflection valve plate 86 and an outer deflection valve plate 87 are respectively arranged inside one end, close to each other, of the U-shaped air pressure bin 82, a piston rod 85 is fixedly connected between the piston block 83 and the knocking block 80, the knocking block 80 contracts and drives the piston block 83 to move upwards to squeeze the force storage spring 84 through the piston rod 85 so as to squeeze dust entering the inside of the U-shaped air pressure bin 82 into the dust suction pipe 81, the knocking block 80 resets and knock the inclined screen drum screen 70 to knock off raw materials blocked on the inner wall and the outer wall of the inclined screen drum screen, an upper deflection valve plate 86 and an outer deflection valve plate 87 are respectively arranged inside one end, close to each other, of the U-shaped air pressure bin 82 and the dust suction pipe 81, the piston block 83 moves upwards to enable the outer deflection valve plate 87 to deflect outwards to discharge dust, the piston block 83 moves downwards and enables the upper deflection valve plate 86 to deflect upwards to suck dust, one end, which is far from the U-shaped air pressure bin 82, of the dust is penetrated through the frame 1 and extends to the inside the water tank 13, the frame 13 is fixedly connected to the inside the water tank 13, and the water tank 13 is suspended liquid inside the water tank 13 is formed.
In the working principle of the embodiment, in the process of centrifugally screening new materials and accumulating and crushing new materials and coarse materials by starting a driving motor A746, an outwards-rotated inclined screen drum screen 70 can drive an external axisymmetric abutting block 88 to rotate, the abutting block 88 can drive the abutting block 80 to shrink into the U-shaped pneumatic bin 82 through an abutting inclined plane 89, the abutting block 80 is shrunk and drives a piston block 83 to move upwards through a piston rod 85 and squeeze a power accumulating spring 84, the upward movement of the piston block 83 can squeeze dust in the U-shaped pneumatic bin 82 and open an outer deflection valve plate 87, so that when the dust in the U-shaped pneumatic bin 82 is discharged into a water tank 13 through a dust suction pipe 81, the abutting block 88 rotates to be separated from the abutting block 80, the extruded power accumulating spring 84 drives the abutting block 80 to reset through the piston block 83 and the piston rod 85, the abutting block 80 resets, the inclined screen drum screen 70 can knock down raw materials blocked on the inner wall of the inclined screen drum screen 80, and simultaneously the reset piston block 83 moves downwards to enable the inside of the U-shaped pneumatic bin 82 to generate negative pressure and open and deflect upwards-up the dust in the U-shaped pneumatic bin 82, so that the dust in the U-shaped pneumatic bin 82 is sucked into the U-shaped pneumatic bin 82;
When the abutting block 88 rotates to the condition that the knocking block 80 can be driven to shrink through the abutting inclined plane 89, the work of knocking the inclined screen rotary screen 70 to prevent blocking and dust collection and dust reduction on the inner upper portion of the screening bin 3 can be continuously repeated, so that the inclined screen rotary screen 70 can be prevented from being blocked to improve the screening effect, and meanwhile, dust reduction can be carried out on the dust raising on the inner upper portion of the screening bin 3 to optimize the working environment.
The main difference between the embodiment and the prior art is that in the process of realizing centrifugal screening of new materials and accumulation and crushing of coarse materials by starting the driving motor A746, the knocking block 80 can be driven to move repeatedly through the axisymmetric abutting block 88, the knocking block 80 moves upwards to enable the outer deflection valve plate 87 to deflect outwards so as to realize dust discharge, the knocking block 80 resets downwards to knock the inclined screen rotary screen 70 and enable the upper deflection valve plate 86 to deflect upwards so as to realize dust suction, and the embodiment integrates screening, anti-blocking, crushing, dust fall and secondary screening functions, and can reduce dust so as to optimize the working environment while improving the screening efficiency of the device.
Example III
As shown in fig. 12, based on the first embodiment and the second embodiment, the new material screening method provided by the invention comprises the following steps:
S1, starting the device, namely starting a driving motor A746 to enable an outer cross rotating rod 740 to rotate, namely enabling an inclined screen drum screen 70 to rotate so as to screen new materials to be screened, and enabling a crushing cutter frame 73 to reversely rotate so as to crush the new materials to be crushed;
s2, feeding by the device, namely adding new materials into the storage bin 2, so that the new materials in the storage bin 2 enter the inclined screen rotary screen 70 through the feeding pipe 5;
s3, screening and crushing, namely centrifugally screening new materials entering the inclined screen drum screen 70 under the drive of the new materials, enabling screened new material fine materials to enter the collecting bin 4, and accumulating screened and intercepted new material coarse materials on the side part of the movable baffle plate 72 and crushing through the rotary crushing knife rest 73;
S4, knocking dust collection, namely, rotating the inclined screen rotary screen 70 for screening to drive the knocking block 80 to move repeatedly through the axisymmetric abutting blocks 88, enabling the knocking block 80 to move upwards to enable the outer deflection valve plate 87 to deflect outwards so as to realize dust discharge, enabling the knocking block 80 to reset downwards to knock the inclined screen rotary screen 70 and enabling the upper deflection valve plate 86 to deflect upwards so as to realize dust suction;
S5, crushing and returning materials, namely closing the crushing cutter frame 73 which continuously rotates after the starting time of the driving motor B756 reaches, and simultaneously driving the movable baffle plate 72 to push the new material mixture piled on the side part of the movable baffle plate to a position close to the fixed baffle plate 71 while continuously crushing the materials;
S6, secondary screening, namely, carrying out secondary centrifugal screening on new material mixture pushed to be close to the fixed baffle plate 71 by the reversely rotating inclined screen rotary screen 70.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The new material screening device comprises a device frame (1), a storage bin (2) fixedly connected inside the device frame (1), a screening bin (3) and a collection bin (4) movably arranged inside the device frame (1), and is characterized in that a feed pipe (5) extending to the inside of the screening bin (3) is fixedly communicated with the bottom of the storage bin (2), a discharge pipe (6) extending to the upper part of the collection bin (4) is fixedly communicated with the bottom of the screening bin (3), a screening mechanism (7) for screening new materials is arranged inside the screening bin (3), the screening mechanism (7) comprises an inclined screen drum screen (70) rotatably connected inside the screening bin (3), a fixed baffle plate (71) is fixedly connected to the inner upper part of the inclined screen drum screen (70), a movable baffle plate (72) is movably connected to the inner lower part of the inclined screen drum screen (70), one side, close to the fixed baffle plate (71), of the movable baffle plate (72) is rotatably connected with a crushing knife rest (73), and the crushing knife rest (72) is rotatably connected with the crushing baffle plate (73), and the crushing knife rest (72) is provided with the inner side of the crushing drum screen (70).
The outside of screening storehouse (3) evenly is provided with combined mechanism (8) that are used for preventing stifled dust fall, combined mechanism (8) are in including setting up strike piece (80) at the outer top of inclined screen drum sieve (70), set up dust absorption pipe (81) and the axisymmetric fixed connection at the outer top of screening storehouse (3) are in outside butt piece (88) of inclined screen drum sieve (70), butt piece (88) with the outside of beating piece (80) all is provided with butt inclined plane (89).
2. The new material screening device according to claim 1, wherein an electromagnetic switch valve (9) is arranged at the outer middle part of the feeding pipe (5), and a trigger switch (10) which is connected with the electromagnetic switch valve (9) and is abutted with the movable striker plate (72) is arranged at the inner lower part of the screening bin (3).
3. The new material screening device according to claim 2, wherein the feeding pipe (5) is fixedly communicated with the fixed baffle plate (71), a fixed rod group (76) is fixedly connected between the fixed baffle plate (71) and the screening bin (3), the movable baffle plate (72) is slidably connected to the outside of the fixed rod group (76), and an outer ring of the movable baffle plate (72) is fixedly connected with an annular brush plate (77) for cleaning the inner wall of the inclined screen drum screen (70).
4. The new material screening device according to claim 3, wherein the rotating member (74) comprises an outer cross rotating rod (740) rotatably connected to the inside of the screening bin (3), through holes A (741) for allowing the outer cross rotating rod (740) to pass through are formed in the middle parts of the fixed baffle plate (71) and the movable baffle plate (72), an inner cross rotating sleeve (742) is sleeved outside the outer cross rotating rod (740), and the crushing cutter rest (73) is rotatably connected with the movable baffle plate (72) through the inner cross rotating sleeve (742);
The rotating piece (74) further comprises an inner gear ring (743) symmetrically and rotatably connected inside the screening bin (3), the inner gear ring (743) symmetrically and fixedly connected with two ends of the inclined screen rotary screen (70) respectively, sun gears (744) are fixedly connected to two ends of the outer cross rotating rod (740), planetary gear sets (745) meshed with the inner side of the inner gear ring (743) are connected to the outer parts of the sun gears (744) in a meshed mode, and the planetary gear sets (745) are rotatably connected inside the screening bin (3);
The rotating piece (74) further comprises a driving motor A (746) arranged outside the screening bin (3), and the output end of the driving motor A (746) rotates and extends to the inside of the screening bin (3) and is fixedly connected with the end part of the outer cross rotating rod (740).
5. The new material screening device according to claim 4, wherein the pulling piece (75) comprises a pulling rope (750) symmetrically and fixedly connected to the outer side of the movable baffle plate (72), a fixed pulley block (751) symmetrically arranged on the outer side of the screening bin (3) and a reel (752) symmetrically and rotatably connected to the inner side of the device frame (1), a through hole B (753) extending to the outer side of the screening bin (3) is symmetrically formed on the outer side of the fixed baffle plate (71), one end of the pulling rope (750) far away from the movable baffle plate (72) passes through the through hole B (753), bypasses the fixed pulley block (751) and is wound on the outer side of the reel (752), the symmetrical reel (752) is rotatably connected to the inner side of the device frame (1) through an upper rotating shaft (754), and an upper meshing gear (755) is fixedly connected to the middle of the upper rotating shaft (754);
the pulling piece (75) further comprises a driving motor B (756) arranged in the device frame (1), the output end of the driving motor B (756) is fixedly connected with a lower rotating shaft (757) which is rotationally connected with the inner wall of the device frame (1), and a lower meshing gear (758) is arranged in the middle of the lower rotating shaft (757);
The lower rotating shaft (757) and a driving piece (759) are arranged between the lower meshing gears (758), the driving piece (759) comprises a driving disc (7590) fixedly connected to the outer portion of the lower rotating shaft (757) and a driving groove (7591) axially symmetrically arranged on the inner side of the lower meshing gears (758), a built-in groove (7592) is symmetrically arranged on the outer side shaft of the driving disc (7590), a driving block (7593) capable of entering the driving groove (7591) is slidably connected to the inner portion of the built-in groove (7592), and a reset spring (7594) is fixedly connected between the built-in groove (7592) and the driving block (7593).
6. The new material screening device according to claim 5, characterized in that a timing start switch (11) connected with the driving motor B (756) is arranged outside the screening bin (3), and a transparent observation window (12) close to the movable striker plate (72) and the crushing knife rest (73) is arranged outside the screening bin (3).
7. The new material screening plant of claim 6, wherein the combined mechanism (8) further comprises a U-shaped air pressure bin (82) fixedly communicated with the outside of the screening bin (3), a piston block (83) is arranged inside one end of the U-shaped air pressure bin (82), a power storage spring (84) is fixedly connected between the piston block (83) and the U-shaped air pressure bin (82), a piston rod (85) is fixedly connected between the piston block (83) and the knocking block (80), the outside of the other end of the U-shaped air pressure bin (82) is fixedly communicated with the dust suction pipe (81), an upper deflection valve plate (86) and an outer deflection valve plate (87) are respectively arranged inside one end, close to each other, of the U-shaped air pressure bin (82), one end, far away from the U-shaped air pressure bin (81), of the dust suction pipe (81) penetrates through the device frame (1) and extends to the inside of the water tank (13), and the water tank (13) is fixedly connected to the back of the device frame (1).
8. A new material screening method, which adopts the new material screening device as claimed in claim 7, and is characterized by comprising the following steps:
S1, starting the device, namely starting a driving motor A (746) to enable an outer cross rotating rod (740) to rotate, namely enabling an inclined screen rotary screen (70) to rotate so as to screen new materials, and enabling a crushing tool rest (73) to reversely rotate so as to crush the new materials and coarse materials;
S2, feeding by the device, namely adding new materials into the storage bin (2), so that the new materials in the storage bin (2) enter the inclined screen rotary screen (70) through the feeding pipe (5);
S3, screening and crushing, namely centrifugally screening new materials entering the inclined screen drum screen (70) under the drive of the inclined screen drum screen, enabling screened new material fine materials to enter the collecting bin (4), accumulating screened and intercepted new material coarse materials on the side part of the movable baffle plate (72) and crushing through the rotary crushing knife rest (73);
S4, knocking dust collection, namely driving a knocking block (80) to repeatedly move by a rotary inclined screen rotary screen (70) capable of screening through an axisymmetric abutting block (88), enabling an outer deflection valve plate (87) to deflect outwards by the upward movement of the knocking block (80) so as to realize dust discharge, enabling the knocking block (80) to reset downwards to knock the inclined screen rotary screen (70) and enabling an upper deflection valve plate (86) to deflect upwards so as to realize dust suction;
S5, crushing and returning materials, namely closing the crushing tool rest (73) which continuously rotates when the starting time of the driving motor B (756) reaches, and simultaneously driving the movable material baffle (72) to push the new material mixture piled on the side part of the movable material baffle to a position close to the fixed material baffle (71) when the crushing tool rest continuously crushes;
s6, secondary screening, namely carrying out secondary centrifugal screening on new material mixture pushed to be close to the fixed baffle plate (71) by a reverse-rotation inclined screen rotary screen (70).
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191224861A (en) * | 1912-10-30 | 1913-04-24 | Ralph Thomas Hollis | An Improved Hand Operated Vacuum or Suction Cleaner. |
| CN2204573Y (en) * | 1994-04-27 | 1995-08-09 | 阎守华 | Piston dust cleaner |
| CN212441954U (en) * | 2020-04-26 | 2021-02-02 | 奥特赛斯(天津)科技发展有限公司 | Prevent powder accumulational rotary screen |
| CN114918125A (en) * | 2022-05-23 | 2022-08-19 | 徐州聚能道路安全设施有限公司 | Screening plant for road engineering |
| CN217797371U (en) * | 2022-07-11 | 2022-11-15 | 潜江市童诚农业产业化发展有限公司 | Novel precleaner |
| CN218764442U (en) * | 2022-10-14 | 2023-03-28 | 长春市康贝尔环保科技有限公司 | Drying equipment is used in desulfurization catalyst production |
| CN220460881U (en) * | 2023-06-21 | 2024-02-09 | 当阳市楚源米业有限责任公司 | A kind of powder sifting device for rice processing |
| CN220657757U (en) * | 2023-05-31 | 2024-03-26 | 广东花仙子生态农业科技有限公司 | Screening crushing equipment for fertilizer production |
-
2024
- 2024-12-04 CN CN202411764512.5A patent/CN119238786B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191224861A (en) * | 1912-10-30 | 1913-04-24 | Ralph Thomas Hollis | An Improved Hand Operated Vacuum or Suction Cleaner. |
| CN2204573Y (en) * | 1994-04-27 | 1995-08-09 | 阎守华 | Piston dust cleaner |
| CN212441954U (en) * | 2020-04-26 | 2021-02-02 | 奥特赛斯(天津)科技发展有限公司 | Prevent powder accumulational rotary screen |
| CN114918125A (en) * | 2022-05-23 | 2022-08-19 | 徐州聚能道路安全设施有限公司 | Screening plant for road engineering |
| CN217797371U (en) * | 2022-07-11 | 2022-11-15 | 潜江市童诚农业产业化发展有限公司 | Novel precleaner |
| CN218764442U (en) * | 2022-10-14 | 2023-03-28 | 长春市康贝尔环保科技有限公司 | Drying equipment is used in desulfurization catalyst production |
| CN220657757U (en) * | 2023-05-31 | 2024-03-26 | 广东花仙子生态农业科技有限公司 | Screening crushing equipment for fertilizer production |
| CN220460881U (en) * | 2023-06-21 | 2024-02-09 | 当阳市楚源米业有限责任公司 | A kind of powder sifting device for rice processing |
Non-Patent Citations (2)
| Title |
|---|
| 刘新福等: "《岩溶隧道安全施工与灾害防治研究》", 31 January 2014, 中国铁道出版社, pages: 173 - 174 * |
| 李德文等: "《煤矿粉尘危害防控关键技术》", 30 September 2020, 东南大学出版社, pages: 138 * |
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