CN116255825A - Continuous and uniform feeding device of rotary kiln for burning rare earth products - Google Patents
Continuous and uniform feeding device of rotary kiln for burning rare earth products Download PDFInfo
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- CN116255825A CN116255825A CN202310229415.5A CN202310229415A CN116255825A CN 116255825 A CN116255825 A CN 116255825A CN 202310229415 A CN202310229415 A CN 202310229415A CN 116255825 A CN116255825 A CN 116255825A
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- rotating rod
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- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 23
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 118
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 62
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 17
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 10
- 239000012634 fragment Substances 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 11
- 241000883990 Flabellum Species 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000007787 solid Substances 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 230000003031 feeding effect Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009853 pyrometallurgy Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- 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
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories or equipment specially adapted for rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a continuous and uniform feeding device of a rotary kiln for burning rare earth products, which belongs to the field of rotary kiln feeding devices, and can realize linkage fit of an output shaft of a motor, a clamping block, a first rotating rod and a first supporting frame, so that the stirring of materials entering a feeding cylinder can be realized, the problem of uneven discharging caused by extrusion blockage of the materials in the feeding cylinder is avoided, in the process, the materials gradually fall downwards along with stirring of a plurality of stirring rods and enter a connecting pipe through a discharging hopper, after the materials enter the connecting pipe, the materials are meshed and connected with a first bevel gear through a second bevel gear in the connecting pipe, when the first bevel gear follows the rotation of the first rotating rod, the second bevel gear drives the second rotating rod to rotate, and at the moment, three arc-shaped turning plates can turn the materials falling into the connecting pipe at the same time, and the materials fall into the rotary kiln body uniformly for heating.
Description
Technical Field
The invention relates to the field of rotary kiln feeding devices, in particular to a continuous and uniform feeding device of a rotary kiln for burning rare earth products.
Background
The rare earth pyrometallurgy has simple process and high productivity. The rare earth fire smelting mainly comprises the preparation of rare earth alloy by a silicothermic reduction method, the preparation of rare earth metal or alloy by a molten salt electrolysis method, the preparation of rare earth alloy by a metallothermic reduction method and the like. A common feature of pyrometallurgy is that it is produced at high temperatures, wherein the calcination can be carried out by means of a rotary kiln.
The rotary kiln needs to crush the materials before feeding, most of the waste materials after crushing pretreatment directly or indirectly enter a material pit, then enter a rotary kiln feed inlet through a grab bucket, and after entering the rotary kiln feed inlet at the higher end of the rotary kiln, the materials can slide downwards continuously along with rotation and high-low setting of the rotary kiln and enter a calcining zone at the bottom end to be calcined, wherein whether the materials can be fed continuously and uniformly and the preheating effect of the materials can be influenced to a certain extent, and the final calcining effect is influenced.
Traditional rotary kiln has the feeding inhomogeneous when carrying out continuous feeding for inhomogeneous material is difficult to by the abundant just even preheating of heat flow of bottom after entering into the higher one end feed inlet of rotary kiln, causes the poor problem of material calcination effect.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the problems in the prior art, and provides a continuous and uniform feeding device for a rotary kiln for burning rare earth products, which can realize the connection of a feeding ring and an external feeding pipe and can achieve the effect of automatic feeding.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a continuous even feed arrangement of burning rare earth products rotary kiln, includes the rotary kiln body, the both ends of rotary kiln body set up to different height, the higher one end of rotary kiln body rotates and is connected with the connecting pipe, and the outer wall cover of connecting pipe is equipped with the installation tube, the top fixedly connected with two supporting seats of installation tube, and the common fixedly connected with feed cylinder in top of two supporting seats, the bottom through-connection of feed cylinder has row hopper, and the bottom through-connection of row hopper is in the connecting pipe, the top fixed mounting of feed cylinder has the cover, and the top through-connection of cover has the feed ring that is used for connecting external inlet pipe, the top fixed mounting of cover has the motor, and motor and external power supply electric connection, the output shaft through-connection cover of motor to the joint has the joint piece, be provided with the feed mechanism that is used for the even feeding of auxiliary material in the feed cylinder, the feed mechanism includes first dwang, the top fixed connection of first dwang is in the bottom of joint piece, first dwang has cup jointed first support frame respectively to the bottom, and the bottom through-connection of row hopper has a first support frame to connect with first support frame, and first profile, two support frames are installed to the second support frame and the second support frame, the inner wall fixed connection of two support frame, two end through-section of arc-shaped support frames are connected to the second support frame, the two end through-section of thick bamboo, the arc-shaped connection is connected to the second support frame, the inner wall fixed connection respectively, one end of the second rotating rod, which is close to the first bevel gear, is fixedly connected with a second bevel gear matched with the first bevel gear, the second bevel gear is in meshed connection with the first bevel gear, three arc turning plates for pushing materials to advance are fixedly connected to the outline of an arc wheel of the second rotating rod, the effect of automatic feeding can be achieved through the connection of a feeding ring and an external feeding pipe, when the motor is started, an output shaft of the motor can drive a clamping block clamped with the motor to synchronously rotate, then the clamping block drives the first rotating rod to rotate in a first supporting frame and simultaneously drives a plurality of stirring rods to rotate, and the materials entering a feeding barrel can be stirred through the linkage of the structure, avoid the material to take place to extrude in the feed cylinder to block up, cause the inhomogeneous problem of ejection of compact, at this in-process, the material can be along with the stirring of a plurality of puddlers, drop downwards gradually, and enter into the connecting pipe through arranging the hopper in, after the material enters into the connecting pipe in, through the meshing of second bevel gear in the connecting pipe with first bevel gear, rotate when first bevel gear follows first dwang, second bevel gear drives the second dwang and rotates, three arc turns over the board this moment also can turn the material in the mounting tube that drops simultaneously, and make the material evenly fall to the rotary kiln in this body and heat, not only solved the material jam problem, still reach the effect of even feeding.
Further, the preheating mechanism of reinforcing heat flow to the material preheating effect is installed to the one end that second conical gear was kept away from to the second dwang, preheating mechanism includes solid fixed ring, gu fixed ring cup joints and fixes the one end that second conical gear was kept away from to the second dwang to rotate with the second dwang and be connected, gu be provided with three metal flabellum that is used for rolling air to get into in the installation tube on the fixed ring, and be provided with a plurality of heat absorption pieces that are used for absorbing heat on the metal flabellum, through the rotation of second dwang, drive solid fixed ring and carry out synchronous rotation, gu fixed ring's normal running fit metal flabellum can be rolled up the hot air of rotary kiln body lower extreme, convey in the installation tube, reach the effect that the heat flow fully preheats the material in the reinforcing rotary kiln body, and metal flabellum and a plurality of heat absorption piece's setting can accelerate heat absorption and conduction, further improve the preheating effect.
Further, the department is provided with the heat absorption axle in the second dwang in the heart, and heat absorption axle one end fixed connection is on the one end inner wall that the second dwang is close to the second bevel gear, the inner wall fixedly connected with of second dwang and its inner wall profile looks adaptation's heat-absorbing layer, heat-insulating material preparation is all adopted to heat-absorbing layer and heat absorption axle, all adopts heat-insulating material preparation to form through heat-absorbing layer and heat absorption axle, and heat-absorbing layer and heat absorption axle all set up in the second dwang, can reach after the solid fixed ring will hot air transfer into the installation tube with higher speed, a portion of hot air can enter into in the second dwang to by heat-absorbing layer and heat absorption axle absorption, and slowly release, improved the heat preservation ability of device to heat, can reach the extension heat simultaneously to the preheating time of material.
Further, a plurality of through holes are formed in the second rotating rod, the through holes are located between the two arc turning plates, the through holes are connected with the insertion pipe in a limiting sliding mode through the inner wall of the through hole, exhaust holes are formed in the insertion pipe, the shape memory alloy is fixedly connected to the outer wall of the position corresponding to the insertion pipe on the heat absorption shaft, one end of the shape memory alloy, which is far away from the heat absorption shaft, is fixedly connected to the bottom of the shape memory alloy, one end of the insertion pipe, which is far away from the shape memory alloy, is fixedly connected with the conical magnetic block, after the insertion pipe is placed in the second rotating rod through hot air, the shape memory alloy is heated to perform straightening action, so that one end of the insertion pipe is pushed to the through hole, hot air can be discharged through the exhaust holes, and the extending action of the insertion pipe can be quickly inserted into materials under the cooperation of the conical magnetic block, so that the hot air is sprayed into the materials, and the preheating effect of the heat flow on the materials is enhanced.
Further, three all embedded install moisture absorption mechanism on the arc turns over the board, moisture absorption mechanism includes the screen panel, the screen panel is embedded to be installed in the arc turns over the board, be provided with the heat resistance moisture absorption cotton that is used for absorbing evaporation moisture in the material in the screen panel, the mesh number of sieve mesh is 100 meshes on the screen panel, turns over the turning over the material through the arc for the evaporation moisture can be absorbed by the heat resistance moisture absorption cotton in the screen panel in the material, thereby reinforcing the degree of dryness of material, the reinforcing again is to the preheating effect of material.
Further, the screen panel surface is provided with a plurality of elasticity spring silk, and the one end fixedly connected with magnetic bead of screen panel is kept away from to a plurality of elasticity spring silk, through the cooperation of a plurality of elasticity spring silk and magnetic bead, on the one hand can avoid material powder sediment to block into in the screen panel in a large number, on the other hand when the material is pressed the intubate to the second dwang under the action of gravity, the distance between heat resistance moisture absorption cotton and the toper magnetic path changes to the appeal between the two changes, finally makes the magnetic bead take place to rock wobbling action, and then reaches in the acceleration elasticity spring silk with heat transfer material, can shake the material of card between a plurality of elasticity spring silk simultaneously.
Further, be located a plurality of first dwang both sides puddler one end respectively fixedly connected with two scrapers, two the outer wall of scraper blade is connected with the inner wall laminating of feed cylinder, through the setting of two scrapers, can reach the rotation of following the puddler, hangs down the material of adhesion on the inner wall of feed cylinder, avoids the material bonding.
Further, the first dwang is located a plurality of (mixing) shafts of fixedly connected with on the one end outer wall in the row hopper, and a plurality of (mixing) shafts present upper and lower spiral distribution, presents upper and lower spiral distribution through a plurality of (mixing) shafts, can reach and carry out even stirring to the material that drops in the installation tube for the material can be even enter into the installation tube in, avoids taking place material jam problem in the installation tube.
Further, the first dwang is located the fixedly connected with dog on the one end outer wall in the row hopper, and the dog sets up to the inclined plane of downward sloping, the dog is located the below of (mixing) shaft, sets up in the (mixing) shaft below through the dog, can reach and avoid the material directly to drop between dog and the first bevel gear, causes the card to die, improves the security of device motion.
Further, be provided with a plurality of broken fragments on the arc profile of puddler, and a plurality of broken pieces set up to the toper, through the setting of a plurality of broken fragments, can reach when the puddler rotates, broken fragments on the puddler can break the cubic material, avoid cubic material to pile up the problem of jam.
Advantageous effects
Through the feed ring with external inlet pipe be connected, can reach the effect of automatic feed, when the motor is started, the output shaft of motor can drive the joint piece rather than the joint and carry out synchronous rotation, then the joint piece drives first dwang and rotates in first support frame, and drive a plurality of puddlers simultaneously, the linkage of above structure can reach the material that enters into in the feed cylinder stirs, avoid the material to take place the extrusion jam in the feed cylinder, cause the uneven problem of ejection of compact, in this process, the material can be along with the stirring of a plurality of puddlers, drop downwards gradually, and enter into the connecting pipe through the row hopper, after the material enters into in the connecting pipe, through the meshing of second bevel gear in the connecting pipe with first bevel gear, rotate along with first dwang when first bevel gear, the second bevel gear drives the second dwang, three arc turns over simultaneously also to drop the material in the installation simultaneously, and make the material evenly fall to this internal heating, material jam problem has been avoided, the effect of material jam is still reached even, the feeding mechanism's motion, the effect of drying kiln is fully reached, the material is preheated to the rotary kiln, the absorption mechanism of the material is fully absorbs the material after the mechanism is reached in the rotary kiln.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the connecting cylinder, the mounting cylinder, the feeding cylinder and the discharging hopper in the invention;
FIG. 3 is a schematic view of a feed cylinder according to the present invention;
FIG. 4 is a schematic view of a part of the structure of the feeding mechanism in the present invention;
FIG. 5 is a schematic view of a part of the structure of the feeding mechanism and the preheating mechanism in the invention;
FIG. 6 is a schematic cross-sectional view of a portion of the preheating mechanism of the present invention;
fig. 7 is a schematic cross-sectional view of the moisture absorption mechanism of the present invention.
The reference numerals in the figures illustrate:
1. a rotary kiln body; 2. installing a pipe; 3. a support base; 4. a feed cylinder; 5. a motor; 6. a feed ring; 7. a connecting pipe; 8. a fixing ring; 9. a discharge hopper; 10. a cylinder cover; 11. a first support frame; 12. a clamping block; 13. a first rotating lever; 14. a stirring rod; 15. a scraper; 16. breaking fragments; 17. a stirring shaft; 18. a stop block; 19. a first bevel gear; 20. a second bevel gear; 21. a second support frame; 22. a second rotating lever; 23. an arc-shaped turning plate; 24. a mesh enclosure; 25. heat-resistant absorbent cotton; 26. a heat absorbing layer; 27. a heat absorbing shaft; 28. conical magnetic blocks; 29. a metal blade; 30. a shape memory alloy; 31. a cannula; 32. an exhaust hole; 33. an elastic spring wire; 34. magnetic beads; 35. a preheating mechanism; 36. a feed mechanism; 37. a moisture absorption mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
referring to fig. 1-7, a continuous and uniform feeding device of a rotary kiln for burning rare earth products comprises a rotary kiln body 1, wherein two ends of the rotary kiln body 1 are arranged at different heights, one higher end of the rotary kiln body 1 is rotatably connected with a connecting pipe 7, the outer wall of the connecting pipe 7 is sleeved with a mounting pipe 2, the top of the mounting pipe 2 is fixedly connected with two supporting seats 3, the top ends of the two supporting seats 3 are fixedly connected with a feeding cylinder 4 together, the bottom end of the feeding cylinder 4 is in through connection with a discharging hopper 9, the bottom end of the discharging hopper 9 is in through connection with the connecting pipe 7, the top end of the feeding cylinder 4 is fixedly provided with a cylinder cover 10, the top end of the cylinder cover 10 is in through connection with a feeding ring 6 for connecting an external feeding pipe, the top end of the cylinder cover 10 is fixedly provided with a motor 5, the motor 5 is in electric connection with an external power supply, the output shaft of the motor 5 is in through connection with the cylinder cover 10, the clamping block 12 is clamped, a feeding mechanism 36 for assisting the uniform feeding of materials is arranged in the feeding barrel 4, the feeding mechanism 36 comprises a first rotating rod 13, the top end of the first rotating rod 13 is fixedly connected to the bottom of the clamping block 12, the upper end and the lower end of the first rotating rod 13 are respectively sleeved with a first supporting frame 11 and are in limit rotation connection with the first supporting frame 11, the two ends of the two first supporting frames 11 are respectively fixedly connected with the inner wall of the feeding barrel 4, a plurality of symmetrical stirring rods 14 are fixedly connected to the arc-shaped outline of the first rotating rod 13, the bottom end of the first rotating rod 13 extends downwards into the mounting pipe 2 and is fixedly connected with a first bevel gear 19, a second rotating rod 22 is arranged at the center of the mounting pipe 2, the two ends of the second rotating rod 22 are respectively sleeved with a second supporting frame 21 and are in limit rotation connection with the second supporting frame 21, two ends of the two second supporting frames 21 are fixedly connected with the inner wall of the mounting tube 2 respectively, one end of the second rotating rod 22, which is close to the first bevel gear 19, is fixedly connected with a second bevel gear 20 which is matched with the first bevel gear 19, the second bevel gear 20 is meshed with the first bevel gear 19, three arc turning plates 23 which are used for pushing materials to advance are fixedly connected on the arc wheel outline of the second rotating rod 22, the automatic feeding effect can be achieved through the connection of the feeding ring 6 and the external feeding tube, when the motor 5 is started, the output shaft of the motor 5 can drive the clamping block 12 which is clamped with the motor to synchronously rotate, then the clamping block 12 drives the first rotating rod 13 to rotate in the first supporting frame 11 and simultaneously drives the stirring rods 14 to rotate, the linkage of the structures is realized, the material that can reach into feed section of thick bamboo 4 is stirred, avoid the material to take place to extrude in feed section of thick bamboo 4 and jam, cause the inhomogeneous problem of ejection of compact, at this in-process, the material can be along with the stirring of a plurality of puddlers 14, drop down gradually, and enter into connecting pipe 7 through row hopper 9, after the material enters into in the connecting pipe 7, through the meshing of second bevel gear 20 and first bevel gear 19 in the connecting pipe 7, rotate along with first swivelling lever 13 when first bevel gear 19, second bevel gear 20 drives second swivelling lever 22 and rotates, at this moment three arc turns over board 23 also can turn the material that drops in the installation tube 2 simultaneously, and make the material evenly fall into rotary kiln body 1 in and heat, not only solve the material jam problem, still reach even feeding's effect.
The preheating mechanism 35 of reinforcing heat flow to the material preheating effect is installed to the one end that second dwang 22 kept away from second bevel gear 20, preheating mechanism 35 includes solid fixed ring 8, gu fixed ring 8 cup joints and fixes the one end that second dwang 22 kept away from second bevel gear 20, and rotate with second dwang 22 and be connected, gu be provided with three metal flabellum 29 that are used for rolling air to get into in the installation tube 2 on the fixed ring 8, and be provided with a plurality of heat absorption pieces that are used for absorbing heat on the metal flabellum 29, through the rotation of second dwang 22, drive solid fixed ring 8 and carry out synchronous rotation, gu the normal running fit metal flabellum 29 of fixed ring 8, can be with the hot air roll-up of rotary kiln body 1 lower extreme, convey in the installation tube 2, reach the effect that the heat flow carries out abundant preheating to the material in the reinforcing rotary kiln body 1, and the setting of metal flabellum 29 and a plurality of heat absorption pieces, can accelerate heat absorption and conduction, further improve the preheating effect.
The center of a circle department is provided with the heat absorption axle 27 in the second dwang 22, and heat absorption axle 27 one end fixed connection is on the one end inner wall that second dwang 22 is close to second bevel gear 20, the inner wall fixedly connected with of second dwang 22 and its inner wall profile looks adaptation's heat absorption layer 26, heat absorption layer 26 and heat absorption axle 27 all adopt the heat preservation material to make, all adopt the heat preservation material to make through heat absorption layer 26 and heat absorption axle 27, and heat absorption layer 26 and heat absorption axle 27 all set up in second dwang 22, can reach after solid fixed ring 8 will hot air is with the acceleration transfer in installation tube 2, a portion hot air can get into in the second dwang 22, and by heat absorption layer 26 and heat absorption axle 27 absorb, and slowly release, the device has improved the heat preservation ability to the heat, can reach the extension heat simultaneously to the preheating time of material.
The second rotating rod 22 is provided with a plurality of through holes, the through holes are positioned between the two arc turning plates 23, the inner walls of the through holes are in limiting sliding connection with the insertion pipe 31, the insertion pipe 31 is provided with the exhaust hole 32, the outer wall of the position corresponding to the insertion pipe 31 on the heat absorption shaft 27 is fixedly connected with the shape memory alloy 30, one end of the shape memory alloy 30, which is far away from the heat absorption shaft 27, is fixedly connected with the bottom of the shape memory alloy 30, one end of the insertion pipe 31, which is far away from the shape memory alloy 30, is fixedly connected with the conical magnetic block 28, and after the hot air enters the second rotating rod 22, the shape memory alloy 30 is heated to perform straightening action, so that one end of the insertion pipe 31 pushes the through holes, hot air can be exhausted through the exhaust hole 32, and the extending action of the insertion pipe 31 can be quickly inserted into materials under the cooperation of the conical magnetic block 28, so that the hot air is sprayed into the materials, and the preheating effect of the heat flow on the materials is enhanced.
All install moisture absorption mechanism 37 on the three arc turns over board 23 in an embedded way, moisture absorption mechanism 37 includes screen panel 24, screen panel 24 is installed in arc turns over board 23 in an embedded way, be provided with the heat resistance moisture absorption cotton 25 that is used for absorbing evaporation moisture in the material in the screen panel 24, the mesh number of sieve mesh on the screen panel 24 is 100 mesh, turn over the material through arc turns over board 23 for the evaporation moisture can be absorbed by the heat resistance moisture absorption cotton 25 in the screen panel 24 in the material, thereby reinforcing the degree of dryness of material, strengthen the preheating effect to the material again.
The screen panel 24 surface is provided with a plurality of elastic spring wires 33, and the one end fixedly connected with magnetic bead 34 that a plurality of elastic spring wires 33 kept away from screen panel 24, through the cooperation of a plurality of elastic spring wires 33 and magnetic bead 34, on the one hand can avoid a large amount of cards of material powder sediment into screen panel 24, on the other hand when the material is pressed in the intubate 31 to second dwang 22 under the action of gravity, the distance between heat-resistant moisture absorption cotton 25 and the toper magnetic path 28 changes, thereby the attractive force between the two changes, finally make magnetic bead 34 take place to rock the wobbling action, and then reach in the acceleration elastic spring wire 33 is with heat transfer material, simultaneously can shake the material of card between a plurality of elastic spring wires 33.
One end of each stirring rod 14 positioned on two sides of the first rotating rod 13 is fixedly connected with two scraping plates 15 respectively, the outer walls of the two scraping plates 15 are connected with the inner wall of the feeding barrel 4 in a fit mode, the rotation of the stirring rods 14 can be followed through the arrangement of the two scraping plates 15, materials adhered to the inner wall of the feeding barrel 4 are hung, and material adhesion is avoided.
The first dwang 13 is located fixedly connected with a plurality of (mixing) shafts 17 on the one end outer wall in arranging hopper 9, and a plurality of (mixing) shafts 17 present upper and lower spiral distribution, presents upper and lower spiral distribution through a plurality of (mixing) shafts 17, can reach and carry out even stirring to the material that drops in installation pipe 2 for the material can be even enter into in the installation pipe 2, avoids taking place the material jam problem in installation pipe 2.
The first rotating rod 13 is located on the outer wall of one end in the discharge hopper 9 and fixedly connected with a stop block 18, the stop block 18 is arranged to be an inclined plane inclined downwards, the stop block 18 is located below the stirring shaft 17, the stop block 18 is arranged below the stirring shaft 17, the situation that materials directly fall between the stop block 18 and the first bevel gear 19 to cause blocking can be avoided, and the safety of device movement is improved.
The arc-shaped profile of the stirring rod 14 is provided with the plurality of broken fragments 16, the plurality of broken fragments 16 are arranged into a cone shape, and the problem that the blocky materials are accumulated and blocked can be avoided by the broken blocks 16 on the stirring rod 14 when the stirring rod 14 rotates due to the arrangement of the plurality of broken fragments 16.
Working principle: this burn continuous even feed arrangement of rare earth products rotary kiln when using, through the connection of feed ring 6 with external inlet pipe, can reach the effect of automatic feed, when motor 5 is started, the output shaft of motor 5 can drive the joint piece 12 rather than the joint and carry out synchronous rotation, then joint piece 12 drives first dwang 13 and rotates in first support frame 11, and drive a plurality of puddlers 14 simultaneously and rotate, the linkage of above structure can be reached, can reach the material that enters into feed section of thick bamboo 4 and stir, avoid the material to take place the extrusion jam in feed section of thick bamboo 4, cause the inhomogeneous problem of ejection of compact, in this process, the material can be along with the stirring of a plurality of puddlers 14, drop downwards gradually, and enter into connecting pipe 7 through discharging hopper 9, after the material enters into connecting pipe 7 in, through the meshing of second bevel gear 20 in the connecting pipe 7 and first bevel gear 19, rotate along with first dwang 13 when first bevel gear 19 rotates, second bevel gear 20 drives second bevel gear 22, three arc turns over board 23 also can be simultaneously to drop into 2 and evenly turn down in the material, the material is heated evenly in the pipe 1, the problem of material has still been reached, the problem of material is even is heated, the material is not even to be reached in the material is blocked up.
The fixed ring 8 is driven to synchronously rotate through the rotation of the second rotating rod 22, the rotating fit metal fan blades 29 of the fixed ring 8 can roll up hot air at the lower end of the rotary kiln body 1 and transmit the hot air into the mounting tube 2, the effect of fully preheating materials by enhancing heat flow in the rotary kiln body 1 is achieved, the arrangement of the metal fan blades 29 and a plurality of heat absorption blocks can accelerate heat absorption and conduction, the preheating effect is further improved, the heat absorption layer 26 and the heat absorption shaft 27 are both made of heat insulation materials, the heat absorption layer 26 and the heat absorption shaft 27 are both arranged in the second rotating rod 22, and the effect that after the fixed ring 8 transmits the hot air into the mounting tube 2 in an accelerating manner can be achieved, A part of hot air can enter the second rotating rod 22 and is absorbed by the heat absorption layer 26 and the heat absorption shaft 27 and slowly released, so that the heat preservation capability of the device for heat is improved, meanwhile, the preheating time of the heat for materials can be prolonged, after the hot air enters the second rotating rod 22, the shape memory alloy 30 is heated and can be straightened, so that one end of the insertion tube 31 pushes the through hole, the hot air can be discharged through the exhaust hole 32, and the extension action of the insertion tube 31 can be quickly inserted into the materials under the cooperation of the conical magnetic block 28, so that the hot air is sprayed into the materials, and the preheating effect of heat flow on the materials is enhanced.
Through the turning of arc board 23 to the material for the moisture by the evaporation in the material can be absorbed by the heat resistance moisture absorption cotton 25 in the screen panel 24, thereby reinforcing the degree of dryness of material, strengthen the preheating effect to the material again, through the cooperation of a plurality of elastic spring wires 33 and magnetic bead 34, on the one hand can avoid the material powder sediment to block into in the screen panel 24 in a large number, on the other hand when the material is with intubate 31 to second dwang 22 under the action of gravity when, the distance between heat resistance moisture absorption cotton 25 and the toper magnetic path 28 changes, thereby the appeal between the two changes, finally make magnetic bead 34 take place to rock wobbling action, and then reach the acceleration elastic spring wire 33 with the heat transfer in the material, simultaneously can shake the material of card between a plurality of elastic spring wires 33.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a continuous even feed arrangement of burning rare earth product rotary kiln, includes rotary kiln body (1), the both ends of rotary kiln body (1) set up to not co-altitude, its characterized in that: the rotary kiln comprises a rotary kiln body (1), a connecting pipe (7) is rotatably connected to the higher end of the rotary kiln body (1), a mounting pipe (2) is sleeved on the outer wall of the connecting pipe (7), two supporting seats (3) are fixedly connected to the top of the mounting pipe (2), a feeding barrel (4) is fixedly connected to the top ends of the two supporting seats (3) together, a discharging hopper (9) is connected to the bottom end of the feeding barrel (4) in a penetrating manner, a barrel cover (10) is fixedly mounted on the top end of the feeding barrel (4) and is fixedly connected with a feeding ring (6) for connecting an external feeding pipe, a motor (5) is fixedly mounted on the top end of the barrel cover (10), the motor (5) is electrically connected with an external power supply, a clamping block (12) is connected to the output shaft of the motor (5) in a penetrating manner, a feeding mechanism (36) for uniformly feeding auxiliary materials is arranged in the feeding barrel (4), the feeding mechanism (36) comprises a first rotating rod (13), the first rotating rod (13) is connected to the top end of the first rotating rod (13) in a penetrating manner, the first rotating rod (13) is connected to the bottom of the first rotating rod (11) in a sleeving manner, the first rotating rod (13) is connected to the first supporting frame (11) in a sleeving manner, two the both ends of first support frame (11) respectively with the inner wall fixed connection of feed cylinder (4), fixedly connected with puddler (14) of a plurality of symmetries on the arc profile of first dwang (13), the bottom downwardly extending of first dwang (13) is to in installing pipe (2) to fixedly connected with first bevel gear (19), installing pipe (2) centre of a circle department is provided with second dwang (22), second support frame (21) have been cup jointed respectively at the both ends of second dwang (22) to with spacing rotation connection of second support frame (21), two the both ends of second support frame (21) respectively with the inner wall fixed connection of installing pipe (2), second bevel gear (20) of the one end fixedly connected with and first bevel gear (19) looks adaptation of second dwang (22), and second bevel gear (20) are connected with first bevel gear (19) meshing, the arc profile of second dwang (22) is gone forward to be used for three arc material of promotion to advance to turn over plate (23).
2. The continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 1, wherein: the preheating mechanism (35) for enhancing the preheating effect of heat flow on materials is arranged at one end, far away from the second bevel gear (20), of the second rotating rod (22), the preheating mechanism (35) comprises a fixed ring (8), the fixed ring (8) is sleeved and fixed at one end, far away from the second bevel gear (20), of the second rotating rod (22), and is rotationally connected with the second rotating rod (22), three metal fan blades (29) for rolling air into the installation tube (2) are arranged on the fixed ring (8), and a plurality of heat absorption blocks for absorbing heat are arranged on the metal fan blades (29).
3. The continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 1, wherein: the inner circle department of second dwang (22) is provided with heat absorption axle (27), and heat absorption axle (27) one end fixed connection is on the one end inner wall that second dwang (22) are close to second bevel gear (20), the inner wall fixedly connected with of second dwang (22) and heat absorption layer (26) rather than inner wall profile looks adaptation, heat absorption layer (26) and heat absorption axle (27) all adopt the heat preservation material preparation to form.
4. A continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 3, characterized in that: a plurality of through holes are formed in the second rotating rod (22), the through holes are located between the two arc turning plates (23), the through holes are connected with the insertion pipe (31) in a limiting sliding mode, exhaust holes (32) are formed in the insertion pipe (31), shape memory alloy (30) is fixedly connected to the outer wall of the position, corresponding to the insertion pipe (31), of the heat absorption shaft (27), one end, away from the heat absorption shaft (27), of the shape memory alloy (30) is fixedly connected to the bottom of the shape memory alloy (30), and one end, away from the shape memory alloy (30), of the insertion pipe (31) is fixedly connected with the conical magnetic block (28).
5. The continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 1, wherein: the three arc turns over all the embedded moisture absorption mechanism (37) of installing on board (23), moisture absorption mechanism (37) include screen panel (24), screen panel (24) are embedded to be installed in board (23) is turned over in the arc, be provided with in screen panel (24) and be used for absorbing evaporation moisture's in the material heat resistance moisture absorption cotton (25), the mesh number of sieve mesh on screen panel (24) is 100 mesh.
6. The continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 5, wherein: the surface of the net cover (24) is provided with a plurality of elastic spring wires (33), and one end, far away from the net cover (24), of the elastic spring wires (33) is fixedly connected with magnetic beads (34).
7. The continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 1, wherein: one end of each stirring rod (14) positioned on two sides of the first rotating rod (13) is fixedly connected with two scraping plates (15), and the outer walls of the two scraping plates (15) are connected with the inner wall of the feeding barrel (4) in a fitting mode.
8. The continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 1, wherein: the first rotating rod (13) is fixedly connected with a plurality of stirring shafts (17) on the outer wall of one end in the discharge hopper (9), and the stirring shafts (17) are spirally distributed up and down.
9. The continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 1, wherein: the first rotating rod (13) is fixedly connected with a stop block (18) on the outer wall of one end in the discharge hopper (9), the stop block (18) is arranged to be a downward inclined slope, and the stop block (18) is positioned below the stirring shaft (17).
10. The continuous and uniform feeding device for rotary kilns for burning rare earth products according to claim 1, wherein: a plurality of broken fragments (16) are arranged on the arc-shaped outline of the stirring rod (14), and the broken fragments (16) are arranged in a conical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310229415.5A CN116255825A (en) | 2023-03-10 | 2023-03-10 | Continuous and uniform feeding device of rotary kiln for burning rare earth products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310229415.5A CN116255825A (en) | 2023-03-10 | 2023-03-10 | Continuous and uniform feeding device of rotary kiln for burning rare earth products |
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| Publication Number | Publication Date |
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| CN116255825A true CN116255825A (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310229415.5A Pending CN116255825A (en) | 2023-03-10 | 2023-03-10 | Continuous and uniform feeding device of rotary kiln for burning rare earth products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117959973A (en) * | 2024-04-02 | 2024-05-03 | 新乡市大北农农牧有限责任公司 | Intelligent batching device for livestock breeding |
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2023
- 2023-03-10 CN CN202310229415.5A patent/CN116255825A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117959973A (en) * | 2024-04-02 | 2024-05-03 | 新乡市大北农农牧有限责任公司 | Intelligent batching device for livestock breeding |
| CN117959973B (en) * | 2024-04-02 | 2024-06-11 | 新乡市大北农农牧有限责任公司 | Intelligent batching device for livestock breeding |
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