CN117283751B - Fluororesin spin flash evaporation drying conveying equipment for ETFE powder drying - Google Patents
Fluororesin spin flash evaporation drying conveying equipment for ETFE powder drying Download PDFInfo
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- CN117283751B CN117283751B CN202311589163.3A CN202311589163A CN117283751B CN 117283751 B CN117283751 B CN 117283751B CN 202311589163 A CN202311589163 A CN 202311589163A CN 117283751 B CN117283751 B CN 117283751B
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- scraping
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- 238000001035 drying Methods 0.000 title claims abstract description 24
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 title claims abstract description 14
- 238000001704 evaporation Methods 0.000 title claims description 5
- 230000008020 evaporation Effects 0.000 title claims description 5
- 238000003756 stirring Methods 0.000 claims abstract description 59
- 238000007790 scraping Methods 0.000 claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 71
- 239000007921 spray Substances 0.000 claims description 36
- 238000007493 shaping process Methods 0.000 claims description 25
- 230000002744 anti-aggregatory effect Effects 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 7
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 12
- 238000007711 solidification Methods 0.000 abstract description 6
- 230000008023 solidification Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 238000007701 flash-distillation Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000011555 saturated liquid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- 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
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a fluororesin spin flash drying conveying device for drying ETFE powder, which relates to the conveying field and comprises a device main body, wherein a feed inlet is formed in the top of the device main body, supporting legs are arranged at the bottom of the device main body, a feed bin is arranged in the top of the device main body, the device further comprises an anti-adhesion device, the anti-adhesion device is arranged in the feed bin, the anti-adhesion device comprises an electric telescopic rotating column, a heating plate, a stirring plate and an anti-adhesion component, the bottom of the electric telescopic rotating column is rotatably arranged at the bottom of the inner wall of the feed bin, the bottom of the heating plate is fixedly arranged at the top of a telescopic end of the electric telescopic rotating column, the right side of the back of the stirring plate is fixedly arranged on the surface of the outer wall of the heating plate, and the anti-adhesion component is arranged on the surface of the stirring plate. The invention can push the scraping block to slide along the surface of the stirring plate when the arc-shaped elastic plate is deformed, and prevent the damp material from adhering to the surface of the stirring plate to generate a solidification phenomenon by virtue of the scraping effect of the scraping block, thereby avoiding the increase of the later cleaning and maintenance difficulty.
Description
Technical Field
The invention relates to the technical field of conveying, in particular to a fluororesin spin flash drying conveying device for ETFE powder drying.
Background
Flash evaporation is the phenomenon of saturated vapor and saturated liquid at the pressure of a vessel where high pressure saturated liquid becomes a part due to a sudden drop in pressure after it enters a vessel at a relatively low pressure, where fluororesin is a common processing raw material.
Patent publication number CN213179348U discloses a quick spin flash drying equipment, belongs to the drying equipment field, including a fixed section of thick bamboo, fixed section of thick bamboo lower extreme outer wall fixed mounting has the motor, the motor upper end runs through a fixed section of thick bamboo and rotates installs the bull stick, bull stick both sides inside fixed mounting has helicoidal groove A, helicoidal groove A inside rotates installs the screw rod, screw rod outer end fixed mounting has the stirring leaf, fixed section of thick bamboo left side center outer wall rotates installs pivot A, pivot A lower extreme rotates installs the closing plate, fixed section of thick bamboo left end lateral wall fixed mounting has the fluting, the closing plate right side runs through inside the fluting, fluting downside fixed section of thick bamboo lateral wall fixed mounting has the slot. Through setting up rotating-structure and embedded sliding structure, improved drying equipment's practicality.
However, the device has the following defects: the device can manually dismantle the stirring leaf and clear up, avoids raw materials adhesion reduction equipment practicality, but has increased staff by the fish tail risk through manual dismantlement blade, has reduced work efficiency to a certain extent simultaneously, reduction in production rate, consequently, the design relies on scraping the scraping effect of piece to prevent that the material that wets from adhering to and producing the solidification phenomenon on stirring board surface, avoids increasing the rotatory flash distillation dry conveying equipment of the dry fluorine resin of ETFE powder of later stage clearance maintenance degree of difficulty and is very necessary.
Disclosure of Invention
The invention aims to provide a fluororesin spin flash drying conveying device for ETFE powder drying, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a dry conveying equipment of rotatory flash distillation of dry fluorine resin of ETFE powder, includes the device main part, device main part top is provided with the feed inlet, device main part bottom has the supporting leg, device main part top is provided with the feedwell, still includes anti-sticking device, shaping device, anti-aggregation device and protector, anti-sticking device sets up inside the feedwell, shaping device sets up inside the device main part, anti-aggregation device sets up in shaping device below, protector sets up in anti-sticking device top, anti-sticking device includes electric telescopic rotating column, heating plate, stirring board and anti-sticking subassembly, electric telescopic rotating column bottom is rotated and is installed in feedwell inner wall bottom, starts electric telescopic rotating column, and electric telescopic rotating column telescopic end drives the rotatory and reciprocates of heating plate, heating plate bottom fixed mounting is at electric telescopic rotating column telescopic rotating end top, and the heating plate drives stirring board and move in step, stirring heating and stoving to the raw materials that fall continuously, stirring board back right side fixed mounting is at heating plate outer wall surface, electric telescopic rotating column upper and lower stirring board and anti-sticking subassembly have improved the dry effect of raw materials setting up and stirring the continuous stirring and drying assembly.
According to the technical scheme, antiseized subassembly includes arc springboard, scrapes piece, shell fragment and cam piece, arc springboard right side fixed mounting is in stirring board left side, and arc springboard passes through stirring board rotatory centrifugal force and the collision force that produces when contacting with the material and takes place deformation, promotes when the arc springboard deformation and scrapes the piece and slide along stirring board surface, scrape piece right side sliding mounting in stirring board left side surface edge, scrape the scraping effect of piece and prevent to wet material and adhere to and produce the solidification phenomenon at stirring board surface, shell fragment top fixed mounting is in scraping the piece bottom, drives shell fragment synchronous deformation when scraping the piece and slides, cam piece back fixed mounting is positive at the shell fragment, relies on self cambered surface reduction raw materials adhesion when the cam piece moves about.
According to the technical scheme, the bottom of the scraping block is contacted with the cambered surface of the top of the arc-shaped spring plate, and the convex ball blocks are symmetrically distributed by taking the stirring plate as a center.
According to the technical scheme, the shaping device comprises a cold air fan, a film piece, a screw rod and a shaping component, wherein the top of the cold air fan is arranged at the center of the top of the inner wall of the device body, the cold air fan is started, cold air emitted by the cold air fan indirectly is prevented from being solidified by raw materials and adhering to each other due to overhigh temperature inside the device body, the top of the film piece is hinged to the edge of the bottom of the cold air fan, the film piece is downwards turned by wind force of the cold air fan, the film piece is used for shielding and absorbing water vapor generated by temperature difference of the cold air fan, the top of the screw rod is fixedly arranged at the center of the bottom of a rotating shaft of the cold air fan, the rotating shaft of the cold air fan drives the screw rod to rotate, and the sliding ring is enabled to slide downwards along the surface of the screw rod by virtue of a spiral groove when the screw rod rotates, and the shaping component is arranged below the cold air fan.
According to the technical scheme, the shaping assembly comprises a sliding ring, a pull piece, a wave plate and a sponge convex club, the sliding ring slides inside and is sleeved on the surface of the outer wall of the screw rod, the pull piece is fixedly installed between the bottom of the cold air fan and the front surface of the outer wall of the sliding ring, the sliding ring is pulled to reset by means of pull piece pulling force when the cold air fan stops, the reciprocating motion is realized so that the sliding ring drives the wave plate to reciprocate up and down, the wave plate depends on self cambered surface to disturb the gas inside the device body, the top of the wave plate is fixedly installed at the edge of the bottom of the sliding ring, the wave plate drives the sponge convex club to synchronously move, the sponge convex club absorbs water vapor generated by temperature difference inside the screw rod spiral groove by means of self cambered surface through screw rod rotation, the left side of the sponge convex club is fixedly installed on the right side of the wave plate, and the right side of the sponge convex club contacts with the inner wall of the screw rod spiral groove, so that friction force between the screw rod and the sliding ring is prevented from weakening.
According to the technical scheme, prevent gathering device includes U-shaped frame, filter disc, reset arc piece and prevents gathering the subassembly, U-shaped frame top center department fixed mounting is at slip ring outer wall surface, and the slip ring drives U-shaped frame and reciprocates, filter disc top fixed mounting is in U-shaped frame bottom, and U-shaped frame drives filter disc synchronous movement, reset arc piece fixed mounting is between device main part inner wall department and filter disc top, and the filter disc drives reset arc piece synchronous deformation, and the filter disc is to the raw materials of accepting about the time subversion for the even advocate whereabouts of raw materials on filter disc surface, prevent gathering the subassembly setting in the filter disc top.
According to the technical scheme, prevent gathering the subassembly and include diaphragm, hook cone piece, hinge piece and T shape offset, diaphragm right side fixed mounting is in reset arc piece left side, drives the diaphragm to be close to device main part central direction motion when reset arc piece deformation is recovered, hook cone piece top articulates in the diaphragm bottom, and thereby the diaphragm drives hook cone piece simultaneous movement, hook cone piece and filter disc round hole contact produce the bending of conflict power and move downwards, thereby the hinge piece bottom articulates in hook cone piece taper piece outer wall surface through the torsional spring, thereby hook cone piece drives hinge piece simultaneous movement, thereby produces the shrink of conflict power when hinge piece and filter disc round hole contact and gathers together, T shape offset top articulates in hinge piece inner wall department, and thereby the T shape offset bottom contacts with hook cone piece inclined plane, drives T shape offset and reciprocates the friction along hook cone piece inclined plane about when hinge piece gathers together reset thereby producing static, and hook cone piece relies on the tiny dirt of electrostatic absorption to the fine dirt of leading in-out process.
According to the technical scheme, protector includes the connecting rod, scrapes ring, active carbon bag, spray gun and protection subassembly, the positive fixed mounting of connecting rod is at the flexible end outer wall back of electronic flexible swivel post, relies on the restriction of arc wall to the connecting rod when electronic flexible swivel post rotates for the connecting rod can reciprocate, scrape ring back fixed connection at the connecting rod back, the connecting rod drives scrapes the ring and scrapes from top to bottom along the feedwell inner wall, prevents that the raw materials from whipping to the feedwell surface because of stirring board high rotation, active carbon bag left side fixed mounting is in device main part inner wall left side, scrapes ring extrusion active carbon bag synchronous deformation and thereby produces the extrusion force, and active carbon bag passes through the spray gun and spouts active carbon gas this moment, spray gun right side fixed mounting is in active carbon bag left side, and spray gun spouts the power and makes the cylinder swivel plate rotate, stirs the active carbon gas of blowout when the cylinder swivel plate rotates, promote the homogeneity that active carbon gas sprayed, protection subassembly sets up inside the spray gun.
According to the technical scheme, the outer wall of the scraping ring is in surface contact with the inner wall of the device main body, activated carbon is arranged in the activated carbon bag, and the bottom of the activated carbon bag is positioned on the movement track of the top of the scraping ring.
According to the technical scheme, the protection component comprises a cylindrical rotating plate, a cross rod, a movable ring and a filter plate, wherein the right side of the cylindrical rotating plate is rotationally arranged inside the spray gun, an arc-shaped groove is formed in the outer wall of the cylindrical rotating plate, the cross rod is driven to move left and right by means of the limitation of the arc-shaped groove when the cylindrical rotating plate rotates, the back of the cross rod is slidably arranged inside the arc-shaped groove of the cylindrical rotating plate, the outer wall of the movable ring is slidably connected to the surface of the inner wall of the spray gun, the back of the inner wall of the movable ring is fixedly connected to the back of the cross rod, the cross rod drives the movable ring to scrape left and right along the inner wall of the spray gun, the inner wall of the spray gun is prevented from being attached to produce dirt, the left side of the filter plate is fixedly arranged on the right side of the movable ring, and the movable ring drives the filter plate to move synchronously, so that the filter plate reciprocates left and right to adsorb and shelter from the fine dirt which is fluctuated.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, through the arrangement of the anti-adhesion device, the electric telescopic rotating column, the heating disc and the stirring plate are matched, so that the electric telescopic rotating column drives the heating disc to rotate and move up and down, the stirring plate stirs, heats and dries the continuously fallen raw materials, and the raw materials are prevented from being adhered to each other and agglomerating due to moisture to influence the later use effect; meanwhile, the contact time of the stirring plate and the raw materials is prolonged, and the dispersion drying effect of the raw materials is improved; through the cooperation of the arc-shaped elastic plate, the scraping block, the elastic sheet and the convex ball block, the scraping block is pushed to slide along the surface of the stirring plate when the arc-shaped elastic plate is deformed, the phenomenon that the damp material is attached to the surface of the stirring plate to generate solidification is prevented by virtue of the scraping effect of the scraping block, and the later cleaning and maintenance difficulty is avoided; meanwhile, the elastic sheet deformation recovery quickens the reset speed of the scraping block, quickens the scraping frequency of the scraping block and further prevents the adhesion of materials; the convex ball block can reduce raw material adhesion by means of the cambered surface of the convex ball block when moving left and right, so that excessive adhesion of raw materials is prevented, the weight is increased, the deformation amplitude of the elastic sheet is reduced, and the scraping frequency of the scraping block is prevented from being reduced.
(2) According to the invention, through the arrangement of the shaping device, the cold air fan is matched with the film sheet, so that cold air indirectly emitted by the cold air fan is cooled and shaped by virtue of a proper low temperature, and the individual granularity of the raw material is ensured; the film piece shields and absorbs the water vapor generated by the cold air fan due to the temperature difference, so that the water vapor is prevented from adhering to the surface of the raw material, and the quality is prevented from being influenced by secondary moisture of the raw material; the sliding ring is pulled to reset by the pulling force of the pulling piece when the cold air fan stops through the cooperation of the screw rod, the sliding ring, the pulling piece, the wave plate and the sponge convex club, the sliding ring drives the wave plate to reciprocate up and down in a reciprocating manner, the wave plate perturbs the gas in the device main body by virtue of the cambered surface of the wave plate, the gas circulation in the device main body is promoted, and the alternating replacement speed and the covering speed of the cold air are accelerated; meanwhile, the sponge convex club absorbs water vapor generated by temperature difference inside the screw rod spiral groove by means of the cambered surface of the sponge convex club, so that the friction force between the screw rod and the sliding ring is reduced due to the fact that the water vapor adheres to the screw rod, and the sliding ring is prevented from being incapable of sliding.
(3) According to the invention, through the arrangement of the aggregation preventing device, the sliding ring, the U-shaped frame, the filter disc and the reset arc piece are matched, so that the filter disc performs up-and-down tilting on the received raw materials, the raw materials on the surface of the filter disc are evenly spread and fall down, the raw materials are prevented from being accumulated, and meanwhile, the raw materials are evenly spread and better contacted with cold air, so that the molding speed of the raw materials is accelerated; through the cooperation of the transverse plate, the hook-shaped cone block, the hinging block and the T-shaped rubber block, the hook-shaped cone block is contacted with the round hole of the filter disc to generate a collision force so as to bend and move downwards, and the round hole of the filter disc is dredged up and down by means of the hook-shaped cone block, so that the blocking phenomenon of the round hole of the filter disc is prevented, and the good trafficability of the filter disc is ensured; the hinge block enlarges the dredging range of the hook-shaped cone block to the round hole, and further prevents the filter hole from being blocked; the hook-shaped cone blocks can absorb fine dirt contacted in the dredging process by means of electrostatic absorption, and secondary pollution caused by adhesion of the floating dirt on the surface of the raw material is prevented.
(4) According to the invention, through the arrangement of the protection device, the electric telescopic rotating column, the connecting rod, the scraping ring, the activated carbon bag and the spray gun are matched, so that the connecting rod drives the scraping ring to scrape up and down along the inner wall of the feeding barrel, raw materials are prevented from being whipped to the surface of the feeding barrel due to the high rotation of the stirring plate, and the raw material waste phenomenon is reduced to a certain extent; the scraping ring extrudes the activated carbon bag, the activated carbon bag sprays activated carbon gas through the spray gun, fluoride generated by heating raw materials is neutralized, and untreated harmful gas is prevented from being absorbed by staff to harm the health; the cylindrical rotating plate, the cross rod, the movable ring and the filter plate are matched, so that the cylindrical rotating plate stirs sprayed active carbon gas, the uniformity of active carbon gas spraying is promoted, and the neutralization uniformity with fluoride is promoted; meanwhile, the cross rod drives the movable ring to scrape left and right along the inner wall of the spray gun, so that the inner wall of the spray gun is prevented from being polluted by foreign dirt, and the circulation aperture of the spray gun is prevented from being reduced; the filter plate can absorb and shield the drifting fine dirt, prevent the dirt from entering the activated carbon bag to pollute the activated carbon, and avoid the reduction of the fluoride purifying effect.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall invention;
FIG. 2 is a schematic cross-sectional view of the entirety of the present invention;
FIG. 3 is a schematic view of an anti-sticking device of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in the anti-adhesion device of the present invention;
FIG. 5 is a schematic view of a shaping apparatus according to the present invention;
FIG. 6 is a schematic view of an anti-aggregation device according to the present invention;
FIG. 7 is an enlarged schematic view of the structure at B in the anti-aggregation device of the present invention;
FIG. 8 is a schematic view of the bottom view of the anti-clumping device of the invention;
FIG. 9 is a schematic view of a protective device according to the present invention;
fig. 10 is an enlarged schematic view of the structure at C in the guard according to the present invention.
In the figure: 1. a device body; 2. support legs; 3. a feed barrel; 4. an anti-adhesion device; 41. an electric telescopic rotating column; 42. a heating plate; 43. an agitating plate; 400. an anti-adhesion component; 401. an arc spring plate; 402. scraping blocks; 403. a spring plate; 404. a convex ball block; 5. shaping device; 51. a cold air fan; 52. a sheet of film; 53. a screw rod; 500. shaping the assembly; 501. a slip ring; 502. a pull tab; 503. a wave plate; 504. sponge cue; 6. an anti-aggregation device; 61. a U-shaped frame; 62. a filter disc; 63. resetting the arc piece; 600. an anti-aggregation assembly; 601. a cross plate; 602. a hook-shaped cone block; 603. a hinge block; 604. t-shaped rubber block; 7. a protective device; 71. a connecting rod; 72. a scraping ring; 73. an activated carbon capsule; 74. a spray gun; 700. a protective assembly; 701. a cylindrical rotating plate; 702. a cross bar; 703. a moving ring; 704. a filter plate.
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.
Referring to fig. 1-4, one embodiment of the present invention is: the utility model provides a dry fluorine resin spin flash evaporation drying conveying equipment of ETFE powder, including device main part 1, device main part 1 top is provided with the feed inlet, device main part 1 bottom has supporting leg 2, device main part 1 top is provided with feedwell 3, still include anti-adhesion device 4, anti-adhesion device 4 sets up inside feedwell 3, anti-adhesion device 4 includes electric telescopic rotating column 41, heating plate 42, stirring board 43 and anti-adhesion subassembly 400, electric telescopic rotating column 41 bottom rotation is installed in feedwell 3 inner wall bottom, heating plate 42 bottom fixed mounting is at electric telescopic rotating column 41 flexible end top, stirring board 43 back right side fixed mounting is at heating plate 42 outer wall surface, anti-adhesion subassembly 400 sets up on stirring board 43 surface, start electric telescopic rotating column 41, electric telescopic rotating column 41 flexible end drives heating plate 42 rotatory and reciprocates, heating plate 42 drives stirring board 43 synchronous motion, stirring board 43 stirs the heating and dries the raw materials that continuously fall, electric telescopic rotating column 41 has prolonged stirring board 43 and raw materials contact time continuously, thereby improve the dispersion drying effect of raw materials.
The anti-adhesion assembly 400 comprises an arc-shaped spring plate 401, a scraping block 402, a spring plate 403 and a convex ball block 404, wherein the right side of the arc-shaped spring plate 401 is fixedly arranged on the left side of the stirring plate 43, the right side of the scraping block 402 is slidably arranged on the edge of the left side surface of the stirring plate 43, the top of the spring plate 403 is fixedly arranged at the bottom of the scraping block 402, the back of the convex ball block 404 is fixedly arranged on the front of the spring plate 403, the convex ball block 404 reduces raw material adhesion by virtue of an arc surface when moving left and right, the arc-shaped spring plate 401 deforms through the centrifugal force of the rotation of the stirring plate 43 and the collision force generated when contacting with materials, the scraping block 402 is pushed to slide along the surface of the stirring plate 43 when the arc-shaped spring plate 401 deforms, the scraping effect of the scraping block 402 prevents damp materials from being attached to the surface of the stirring plate 43 to generate a solidification phenomenon, and the spring plate 403 is driven to deform synchronously when the scraping block 402 slides.
The bottom of the scraping block 402 is contacted with the cambered surface of the top of the arc-shaped spring plate 401, and the convex ball blocks 404 are symmetrically distributed by taking the stirring plate 43 as a center.
When the device is used, raw materials are poured into the feed bin 3, the electric telescopic rotating column 41 is started, the telescopic end of the electric telescopic rotating column 41 drives the heating disc 42 to rotate and move up and down, the heating disc 42 drives the stirring plate 43 to move synchronously, and the stirring plate 43 stirs, heats and dries the continuously fallen raw materials, so that the influence of the mutual adhesion and agglomeration of the raw materials due to moisture on the later use effect is prevented; the electric telescopic rotating column 41 continuously rotates up and down to prolong the contact time of the stirring plate 43 and the raw materials, thereby improving the dispersion drying effect of the raw materials; the arc-shaped elastic plate 401 deforms through centrifugal force generated by rotation of the stirring plate 43 and collision force generated when the arc-shaped elastic plate 401 contacts with materials, the scraping block 402 is pushed to slide along the surface of the stirring plate 43 when the arc-shaped elastic plate 401 deforms, and the phenomenon that the damp materials are attached to the surface of the stirring plate 43 to generate solidification is prevented by virtue of the scraping effect of the scraping block 402, so that the later cleaning and maintenance difficulty is prevented from being increased; meanwhile, the scraping block 402 drives the elastic sheet 403 to deform synchronously when sliding, the convex ball block 404 is driven to move left and right when the elastic sheet 403 deforms, and the reset speed of the scraping block 402 is accelerated by virtue of the tensile force when the elastic sheet 403 deforms and recovers, so that the scraping frequency of the scraping block 402 is accelerated, and the adhesion of materials is further prevented; meanwhile, when the convex ball block 404 moves left and right, the adhesion of raw materials is reduced by virtue of the cambered surface of the convex ball block, so that the excessive adhesion of the raw materials is prevented, the weight is increased, the deformation amplitude of the elastic sheet 403 is reduced, and the scraping frequency of the scraping block 402 is prevented from being reduced.
Referring to fig. 1-5, another embodiment of the present invention further includes a shaping device 5, where the shaping device 5 is disposed inside the device body 1;
the shaping device 5 comprises a cold air fan 51, a film piece 52, a screw rod 53 and a shaping component 500, wherein the top of the cold air fan 51 is arranged at the center of the top of the inner wall of the device main body 1, the top of the film piece 52 is hinged at the edge of the bottom of the cold air fan 51, the top of the screw rod 53 is fixedly arranged at the center of the bottom of a rotating shaft of the cold air fan 51, the shaping component 500 is arranged below the cold air fan 51, the cold air fan 51 is started, cold air indirectly emitted by the cold air fan 51 is prevented from being solidified and adhered to each other due to overhigh temperature inside the device main body 1, the film piece 52 is downwards turned by wind force of the cold air fan 51, the film piece 52 shields and absorbs water vapor generated by temperature difference of the cold air fan 51, the rotating shaft of the cold air fan 51 drives the screw rod 53 to rotate, and the sliding ring 501 slides downwards along the surface of the screw rod 53 due to the limitation of a spiral groove when the screw rod 53 rotates.
The shaping assembly 500 comprises a sliding ring 501, a pull piece 502, a wave plate 503 and a sponge convex club 504, wherein the sliding ring 501 slides inside and is sleeved on the surface of the outer wall of the screw rod 53, the pull piece 502 is fixedly arranged between the bottom of the cold air fan 51 and the front surface of the outer wall of the sliding ring 501, the top of the wave plate 503 is fixedly arranged at the edge of the bottom of the sliding ring 501, the left side of the sponge convex club 504 is fixedly arranged on the right side of the wave plate 503, the right side of the sponge convex club 504 is contacted with the inner wall of a spiral groove of the screw rod 53, the friction between the screw rod 53 and the sliding ring 501 is weakened due to the adhesion of water vapor, the sliding ring 501 is pulled by the pull of the pull piece 502 to reset when the cold air fan 51 stops, the reciprocating motion is such that the sliding ring 501 drives the wave plate 503 to reciprocate up and down, the wave plate 503 drives the sponge convex club 504 to synchronously move by means of self cambered surfaces, and the sponge convex club 504 absorbs the water vapor generated by the temperature difference inside the spiral groove of the screw rod 53 by means of the self cambered surfaces.
When the device is used, when materials fall into the device main body 1, the cold air fan 51 is started, cold air indirectly emitted by the cold air fan 51 is prevented from solidifying and adhering to each other due to the fact that the temperature in the device main body 1 is too high, and the raw materials are cooled and shaped by virtue of proper low temperature, so that the individual granularity of the raw materials is ensured; the film 52 is turned downwards by the wind force of the cold air fan 51, and when the cold air fan 51 indirectly stops, the film 52 automatically resets by the torsion spring, so that the film 52 can shield and absorb the water vapor generated by the temperature difference of the cold air fan 51, the water vapor is prevented from adhering to the surface of the raw material, and the quality is prevented from being influenced by secondary moisture of the raw material; the rotating shaft of the cold air fan 51 drives the screw rod 53 to rotate, the screw rod 53 is limited by the spiral groove to enable the sliding ring 501 to slide downwards along the surface of the screw rod 53, the sliding ring 501 pulls the pull tab 502 to deform synchronously, when the cold air fan 51 stops, the sliding ring 501 is pulled to reset by the pull tab 502, the reciprocating motion is carried out so that the sliding ring 501 drives the wave plate 503 to reciprocate up and down, at the moment, the wave plate 503 is used for disturbing the gas in the device main body 1 by virtue of the cambered surface of the wave plate 503, so that the gas circulation in the device main body 1 is promoted, and the cold air alternate replacement speed and the covering speed are accelerated; the wave plate 503 drives the sponge convex club 504 to synchronously move, the sponge convex club 504 absorbs water vapor generated by temperature difference inside the spiral groove of the screw rod 53 by means of the self cambered surface through the rotation of the screw rod 53, the friction force between the screw rod 53 and the sliding ring 501 is prevented from weakening due to the adhesion of the water vapor, and the sliding ring 501 is prevented from being incapable of sliding.
Referring to fig. 1-10, in addition to the above embodiment, another embodiment of the present invention further includes an anti-aggregation device 6 and a protection device 7, where the anti-aggregation device 6 is disposed below the shaping device 5, and the protection device 7 is disposed above the anti-adhesion device 4;
the anti-aggregation device 6 comprises a U-shaped frame 61, a filter disc 62, a reset arc piece 63 and an anti-aggregation assembly 600, wherein the center of the top of the U-shaped frame 61 is fixedly arranged on the outer wall surface of a sliding ring 501, the top of the filter disc 62 is fixedly arranged at the bottom of the U-shaped frame 61, the reset arc piece 63 is fixedly arranged between the inner wall of the device main body 1 and the top of the filter disc 62, the anti-aggregation assembly 600 is arranged above the filter disc 62, the sliding ring 501 drives the U-shaped frame 61 to move up and down, the U-shaped frame 61 drives the filter disc 62 to synchronously move, the filter disc 62 drives the reset arc piece 63 to synchronously deform, and at the moment, the filter disc 62 performs up-down tilting on the received raw materials on the surface of the filter disc 62, so that the raw materials on the surface of the filter disc 62 uniformly and evenly spread and fall.
The anti-aggregation assembly 600 comprises a transverse plate 601, a hook-shaped cone block 602, a hinge block 603 and a T-shaped glue block 604, wherein the right side of the transverse plate 601 is fixedly arranged on the left side of a reset arc piece 63, the top of the hook-shaped cone block 602 is hinged to the bottom of the transverse plate 601, the bottom of the hinge block 603 is hinged to the outer wall surface of the cone block in the hook-shaped cone block 602 through a torsion spring, the top of the T-shaped glue block 604 is hinged to the inner wall of the hinge block 603, the bottom of the T-shaped glue block 604 is in inclined surface contact with the hook-shaped cone block 602, the hinge block 603 drives the T-shaped glue block 604 to reciprocate along the inclined surface of the hook-shaped cone block 602 when the hinge block 603 gathers and resets so as to generate static electricity, the hook-shaped cone block 602 absorbs tiny dirt contacted in the dredging process by means of the adsorption of static electricity, the transverse plate 601 is driven to move towards the direction close to the center of the device main body 1 when the reset arc piece 63 is deformed and recovered, the hook-shaped cone block 602 is driven to move synchronously with the round hole of the filter disc 62 so as to generate an abutting force, the hinge block 603 moves synchronously, and the hinge block 603 is contacted with the round hole so as to shrink and gather.
The protection device 7 comprises a connecting rod 71, a scraping ring 72, an activated carbon bag 73, a spray gun 74 and a protection component 700, wherein the front surface of the connecting rod 71 is fixedly arranged on the back surface of the outer wall of the telescopic end of the electric telescopic rotating column 41, the back surface of the inner wall of the scraping ring 72 is fixedly connected to the back surface of the connecting rod 71, the left side of the activated carbon bag 73 is fixedly arranged on the left side of the inner wall of the device main body 1, the right side of the spray gun 74 is fixedly arranged on the left side of the activated carbon bag 73, the protection component 700 is arranged inside the spray gun 74, the electric telescopic rotating column 41 rotates and depends on the limitation of an arc-shaped groove on the connecting rod 71, the connecting rod 71 can move up and down, the connecting rod 71 drives the scraping ring 72 to scrape up and down along the inner wall of the feeding barrel 3, raw materials are prevented from being rotated and whipped to the surface of the barrel 3 due to the height of the stirring plate 43, the scraping ring 72 extrudes the activated carbon bag 73 to deform synchronously to generate extrusion force, at this moment, the activated carbon bag 73 sprays activated carbon gas through the spray gun 74, the cylindrical rotating plate 701 rotates, and the sprayed activated carbon gas when the cylindrical rotating plate 701 is stirred by the spray force of the spray gun 74.
The outer wall of the scraping ring 72 is contacted with the surface of the inner wall of the device main body 1, activated carbon is arranged in the activated carbon bag 73, and the bottom of the activated carbon bag 73 is positioned on the movement track of the top of the scraping ring 72.
The protection assembly 700 comprises a cylindrical rotating plate 701, a cross rod 702, a movable ring 703 and a filter plate 704, wherein the right side of the cylindrical rotating plate 701 is rotatably arranged in the spray gun 74, an arc-shaped groove is formed in the outer wall of the cylindrical rotating plate 701, the back of the cross rod 702 is slidably arranged in the arc-shaped groove of the cylindrical rotating plate 701, the outer wall of the movable ring 703 is slidably connected to the surface of the inner wall of the spray gun 74, the back of the inner wall of the movable ring 703 is fixedly connected to the back of the cross rod 702, the left side of the filter plate 704 is fixedly arranged on the right side of the movable ring 703, the cross rod 702 drives the movable ring 703 to scrape along the inner wall of the spray gun 74 by means of the limitation of the arc-shaped groove, the movable ring 703 drives the filter plate 704 to synchronously move, and the filter plate 704 reciprocates left and right to absorb and shield the fluctuated fine dirt.
When the device is used, the sliding ring 501 drives the U-shaped frame 61 to move up and down, the U-shaped frame 61 drives the filter disc 62 to move synchronously, the filter disc 62 drives the reset arc piece 63 to deform synchronously, and at the moment, the filter disc 62 rolls up and down the received raw materials, so that the raw materials on the surface of the filter disc 62 are evenly spread and fall down, the raw materials are prevented from being accumulated, and meanwhile, the raw materials are evenly spread and better contacted with cold air, and the molding speed of the raw materials is accelerated; when the reset arc piece 63 is deformed and restored, the transverse plate 601 is driven to move towards the direction close to the center of the device main body 1, the transverse plate 601 drives the hook cone blocks 602 to synchronously move, the hook cone blocks 602 are contacted with the round holes of the filter discs 62 to generate an interference force so as to bend and move downwards, and the round holes of the filter discs 62 are dredged up and down by means of the hook cone blocks 602, so that the blocking phenomenon of the round holes of the filter discs 62 is prevented, and good trafficability of the filter discs 62 is ensured; the hook-shaped cone block 602 drives the hinging block 603 to synchronously move, the hinging block 603 generates a collision force when contacting with the round hole of the filter disc 62 so as to shrink and gather, then the hinging block 603 automatically resets through the torsion spring, and the dredging range of the hook-shaped cone block 602 to the round hole is enlarged by means of the hinging block 603, so that the filter hole is further prevented from being blocked; the hinging block 603 gathers together and resets and drives the T-shaped rubber block 604 to reciprocate along the inclined plane of the hook-shaped cone block 602 from top to bottom so as to generate static electricity, and at the moment, the hook-shaped cone block 602 adsorbs fine dirt contacted in the dredging process by means of the adsorption of the static electricity, so that the floating dirt is prevented from being attached to the surface of the raw material to cause secondary pollution.
The electric telescopic rotating column 41 is limited by the arc-shaped groove on the connecting rod 71 when rotating, so that the connecting rod 71 can move up and down, the connecting rod 71 drives the scraping ring 72 to scrape up and down along the inner wall of the feeding barrel 3, raw materials are prevented from being whipped to the surface of the feeding barrel 3 due to the high rotation of the stirring plate 43, and the raw material waste phenomenon is reduced to a certain extent; the scraping ring 72 extrudes the activated carbon bag 73 to deform synchronously so as to generate extrusion force, at the moment, the activated carbon bag 73 ejects activated carbon gas through the spray gun 74 to neutralize fluoride generated by heating raw materials, and untreated harmful gas is prevented from being absorbed by staff so as to harm the health; the cylindrical rotating plate 701 is rotated by the spraying force of the spray gun 74, and the sprayed active carbon gas is stirred when the cylindrical rotating plate 701 rotates, so that the uniformity of the active carbon gas spraying and the uniformity of fluoride neutralization are promoted; meanwhile, when the cylindrical rotating plate 701 rotates, the cross bar 702 is driven to move left and right by virtue of the limitation of the arc-shaped groove, the cross bar 702 drives the movable ring 703 to scrape left and right along the inner wall of the spray gun 74, so that the inner wall of the spray gun 74 is prevented from being polluted by foreign dirt, and the circulation aperture of the spray gun 74 is prevented from being reduced; meanwhile, the movable ring 703 drives the filter plate 704 to synchronously move, and the filter plate 704 moves back and forth to adsorb and shield the drifting fine dirt, so that the dirt is prevented from entering the activated carbon bag 73 to pollute the activated carbon, and the reduction of the fluoride purifying effect is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a dry fluorine resin spin flash evaporation drying conveying equipment of ETFE powder, includes device main part (1), device main part (1) top is provided with the feed inlet, device main part (1) bottom has supporting leg (2), device main part (1) top is provided with feed inlet (3), its characterized in that: the anti-adhesion device (4), the shaping device (5), the anti-aggregation device (6) and the protection device (7) are further included, the anti-adhesion device (4) is arranged inside the feeding barrel (3), the shaping device (5) is arranged inside the device main body (1), the anti-aggregation device (6) is arranged below the shaping device (5), the protection device (7) is arranged above the anti-adhesion device (4), the anti-adhesion device (4) comprises an electric telescopic rotating column (41), a heating disc (42), a stirring plate (43) and an anti-adhesion component (400), the bottom of the electric telescopic rotating column (41) is rotatably arranged at the bottom of the inner wall of the feeding barrel (3), the bottom of the heating disc (42) is fixedly arranged at the top of the telescopic end of the electric telescopic rotating column (41), the right side of the back of the stirring plate (43) is fixedly arranged on the surface of the outer wall of the heating disc (42), and the anti-adhesion component (400) is arranged on the surface of the stirring plate (43).
The anti-adhesion assembly (400) comprises an arc-shaped spring plate (401), a scraping block (402), an elastic piece (403) and a convex ball block (404), wherein the right side of the arc-shaped spring plate (401) is fixedly arranged on the left side of the stirring plate (43), the right side of the scraping block (402) is slidingly arranged at the edge of the left side surface of the stirring plate (43), the top of the elastic piece (403) is fixedly arranged at the bottom of the scraping block (402), and the back of the convex ball block (404) is fixedly arranged on the front of the elastic piece (403);
the bottom of the scraping block (402) is contacted with the cambered surface at the top of the arc-shaped spring plate (401), and the convex ball blocks (404) are symmetrically distributed by taking the stirring plate (43) as the center;
the shaping device (5) comprises a cold air fan (51), a film piece (52), a screw rod (53) and a shaping component (500), wherein the top of the cold air fan (51) is arranged at the top center of the inner wall of the device main body (1), the top of the film piece (52) is hinged at the bottom edge of the cold air fan (51), the top of the screw rod (53) is fixedly arranged at the bottom center of a rotating shaft of the cold air fan (51), and the shaping component (500) is arranged below the cold air fan (51);
the shaping assembly (500) comprises a sliding ring (501), a pull piece (502), a wave plate (503) and a sponge convex club (504), wherein the sliding ring (501) slides inside and is sleeved on the outer wall surface of the screw rod (53), the pull piece (502) is fixedly installed between the bottom of the cold air fan (51) and the front surface of the outer wall of the sliding ring (501), the top of the wave plate (503) is fixedly installed at the edge of the bottom of the sliding ring (501), the left side of the sponge convex club (504) is fixedly installed on the right side of the wave plate (503), and the right side of the sponge convex club (504) is in contact with the inner wall of the spiral groove of the screw rod (53).
2. The ETFE powder dried fluororesin spin flash drying delivery apparatus of claim 1, wherein: the anti-aggregation device (6) comprises a U-shaped frame (61), a filter disc (62), a reset arc piece (63) and an anti-aggregation assembly (600), wherein the center of the top of the U-shaped frame (61) is fixedly arranged on the outer wall surface of a sliding ring (501), the top of the filter disc (62) is fixedly arranged at the bottom of the U-shaped frame (61), the reset arc piece (63) is fixedly arranged between the inner wall of the device main body (1) and the top of the filter disc (62), and the anti-aggregation assembly (600) is arranged above the filter disc (62).
3. The ETFE powder dried fluororesin spin flash drying delivery apparatus of claim 2, wherein: the anti-aggregation assembly (600) comprises a transverse plate (601), a hook-shaped cone block (602), a hinge block (603) and a T-shaped glue block (604), wherein the right side of the transverse plate (601) is fixedly arranged on the left side of a reset arc piece (63), the top of the hook-shaped cone block (602) is hinged to the bottom of the transverse plate (601), the bottom of the hinge block (603) is hinged to the outer wall surface of the middle cone block of the hook-shaped cone block (602) through a torsion spring, the top of the T-shaped glue block (604) is hinged to the inner wall of the hinge block (603), and the bottom of the T-shaped glue block (604) is in inclined contact with the inclined surface of the hook-shaped cone block (602).
4. A ETFE powder dried fluororesin spin flash drying delivery apparatus as defined in claim 3 wherein: the protection device (7) comprises a connecting rod (71), a scraping ring (72), an activated carbon bag (73), a spray gun (74) and a protection component (700), wherein the front surface of the connecting rod (71) is fixedly installed on the back surface of the outer wall of the telescopic end of the electric telescopic rotating column (41), the back surface of the inner wall of the scraping ring (72) is fixedly connected with the back surface of the connecting rod (71), the left side of the activated carbon bag (73) is fixedly installed on the left side of the inner wall of the device main body (1), the right side of the spray gun (74) is fixedly installed on the left side of the activated carbon bag (73), and the protection component (700) is arranged inside the spray gun (74).
5. The ETFE powder dried fluororesin spin flash drying and conveying apparatus according to claim 4, wherein: the outer wall of the scraping ring (72) is in contact with the surface of the inner wall of the device main body (1), active carbon is arranged in the active carbon bag (73), and the bottom of the active carbon bag (73) is positioned on the movement track of the top of the scraping ring (72).
6. The ETFE powder dried fluororesin spin flash drying and conveying apparatus according to claim 5, wherein: the protection assembly (700) comprises a cylindrical rotating plate (701), a cross rod (702), a movable ring (703) and a filter plate (704), wherein the right side of the cylindrical rotating plate (701) is rotatably installed inside a spray gun (74), an arc-shaped groove is formed in the outer wall of the cylindrical rotating plate (701), the back of the cross rod (702) is slidably installed inside the arc-shaped groove of the cylindrical rotating plate (701), the outer wall of the movable ring (703) is slidably connected to the surface of the inner wall of the spray gun (74), the back of the inner wall of the movable ring (703) is fixedly connected to the back of the cross rod (702), and the left side of the filter plate (704) is fixedly installed on the right side of the movable ring (703).
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| CN202311589163.3A CN117283751B (en) | 2023-11-27 | 2023-11-27 | Fluororesin spin flash evaporation drying conveying equipment for ETFE powder drying |
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| CN202311589163.3A CN117283751B (en) | 2023-11-27 | 2023-11-27 | Fluororesin spin flash evaporation drying conveying equipment for ETFE powder drying |
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| CN117283751B true CN117283751B (en) | 2024-02-06 |
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