CN113267003A - Spray fluidization granulating and drying device - Google Patents
Spray fluidization granulating and drying device Download PDFInfo
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- CN113267003A CN113267003A CN202110574592.8A CN202110574592A CN113267003A CN 113267003 A CN113267003 A CN 113267003A CN 202110574592 A CN202110574592 A CN 202110574592A CN 113267003 A CN113267003 A CN 113267003A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/10—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it
- F26B3/12—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it in the form of a spray, i.e. sprayed or dispersed emulsions or suspensions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a spray fluidization granulation drying device, which belongs to the field of drying devices and comprises a fluidized bed, a drying tower, a spraying part and an anti-sticking part. The fluidized bed is arranged at the bottom of the drying tower, and the spraying part comprises a threaded seat, a threaded shaft, a spray head, a limiting frame and a telescopic rod. Through the cooperation of threaded shaft, screw thread seat, telescopic link and spacing, make the shower nozzle of setting on the screw thread seat highly constantly change in the drying tower, the shower nozzle is rotatory injection simultaneously also, makes the drying tower in the multiposition spray, improves the efficiency of spraying fluidization. Meanwhile, the inner barrel is matched with the inner barrel, so that particles are prevented from being adhered to the barrel wall in the drying process, and the granulating efficiency is improved.
Description
Technical Field
The invention relates to the field of drying devices, in particular to a spray fluidization granulation drying device.
Background
The spray fluidized drying granulator is a granulation device which integrates multiple functions of mixing, spraying, drying, granulating, granule coating and the like, is commonly used for preparing granules such as tablets, granules, capsules, instant food, beverage granules, chemical granules and the like, and is particularly suitable for drying and granulating traditional Chinese medicine fluid extract. But current atomizing granulator is at the during operation, and atomizer is fixed, leads to atomizing regional unable adaptation change, consequently can appear atomizing dead angle, reduces the pelletization effect, has also prolonged the time of production simultaneously.
Disclosure of Invention
In order to overcome the defect of fixed position of an atomizing device in the prior art, the invention aims to solve the technical problem of providing a spray fluidized granulation drying device, wherein the position of the atomizing device is continuously changed, and the fluidized granulation efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a spray fluidized granulation drying device which comprises a fluidized bed, a drying tower, a spraying part and an anti-sticking part. The fluidized bed is arranged at the bottom of the drying tower, and the spraying part comprises a threaded seat, a threaded shaft, a spray head, a limiting frame and a telescopic rod. The limiting frame comprises a top plate, a bottom plate and more than two limiting plates, the top plate and the bottom plate are both circular plates, the top plate is positioned above the bottom plate, the more than two limiting plates are connected between the top plate and the bottom plate and fix the top plate and the bottom plate, through holes are formed in the middle of the top plate and the middle of the bottom plate, a threaded shaft and the fixed end of a telescopic rod are fixed on the inner top wall of the drying tower, the threaded shaft penetrates through the through holes, the free end of the telescopic rod is fixedly connected with the top plate, two threaded seats are arranged between the top plate and the bottom plate and are in threaded fit with the threaded shaft, the threaded seats are abutted to the limiting plates, and more than two spray heads are uniformly fixed on the threaded seats; the anti-sticking part comprises an inner barrel, the inner barrel is fixed in the drying tower, a circular ring barrel inclined towards the center of the inner barrel is fixed at the bottom of the inner barrel, a screen is arranged between the bottom of the circular ring barrel and the inner wall of the drying tower, more than two air outlets are formed in the inner barrel, an air deflector is connected to the outer portion of the inner barrel, and the air deflector is connected with the air outlets.
In a preferred technical scheme of the invention, the threaded seat comprises a top block and a bottom block, threads are arranged on the side walls of the top block and the bottom block, the top block is positioned above the bottom block, the top block and the bottom block are connected through a water pipe, more than two spray heads are uniformly fixed on the side wall of the water pipe, and the spray heads are communicated with the water pipe.
In a preferred technical scheme of the invention, the top plate comprises an outer ring plate, an inner plate and a water inlet joint, the inner plate is arranged in a middle opening of the outer ring plate, the through hole is formed in the inner plate, a groove is formed in the middle of the water inlet joint, the inner plate and the outer ring plate are clamped in the groove, the bottom of the water inlet joint is fixedly connected with the top block, and a water pipe penetrates through the top block and is connected with the water inlet joint.
In a preferred technical scheme of the invention, a filter is connected to the air inlet end of the fluidized bed. The filter includes air-blower and rose box, and the output tube of air-blower gets into rose box inside from the lateral wall of rose box, and the output tube extends to the bottom of rose box. The roof of rose box sets up to the toper, and the inside of rose box is provided with the multilayer filter screen from top to bottom, still rotates in the rose box and is connected with first runner, evenly is fixed with more than two paddles on the first runner, and first runner is located the orificial top of output tube. The top of the filter box is connected with the output port of the fluidized bed through an air outlet pipe.
In a preferred technical scheme of the invention, the spray fluidization granulation drying device further comprises a collecting box, the collecting box is fixed at the top of the side wall of the drying tower, the side wall of the collecting box is provided with a first opening, the side wall of the drying tower is provided with a second opening, the first opening is communicated with the second opening, a sealing plate for sealing the second opening is connected in the drying tower in a sliding manner, a sliding rail is horizontally fixed in the collecting box and connected with the first opening, a negative pressure fan is fixed at the end part of the sliding rail, a second rotating wheel is connected on the sliding rail in a sliding manner, and more than two arc-shaped shifting plates are uniformly fixed outside the second rotating wheel.
In a preferred technical scheme of the invention, the top of the drying tower is connected with an air outlet pipe, and a filter bag is fixed at the position of the inner top of the drying tower, which corresponds to the air outlet pipe.
In a preferred embodiment of the present invention, the anti-sticking member further includes a vibrator fixed to the inner cylinder.
The invention has the beneficial effects that:
according to the spray fluidization granulating and drying device provided by the invention, through the matching of the threaded shaft, the threaded seat, the telescopic rod and the limiting frame, the height of the spray head arranged on the threaded seat in the drying tower is continuously changed, and meanwhile, the spray head also rotates to spray, so that the spray can be sprayed at multiple positions in the drying tower, and the spray fluidization efficiency is improved. The inner barrel that the cooperation set up prevents that the granule from on the wall of the cylinder in fluidization process adhesion, improves the efficiency of pelletization. The device is a vertical parallel-flow upper-exhaust pressure spray dryer, and has more superiority than lower-exhaust.
Drawings
FIG. 1 is a schematic diagram of a spray fluidized granulation drying apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
fig. 3 is a schematic top view of the stop block of fig. 1.
In the figure:
1-drying tower, 11-second opening, 12-closing plate, 2-fluidized bed, 31-threaded shaft, 32-telescopic rod, 331-outer annular plate, 332-inner plate, 333-water inlet joint, 334-groove, 34-bottom plate, 35-limiting plate, 361-top block, 362-water pipe, 363-bottom block, 364-spray head, 37-through hole, 41-inner cylinder, 42-air outlet, 43-air deflector, 44-circular cylinder, 45-screen, 46-vibrator, 5-collecting box, 51-first opening, 52-slide rail, 53-negative pressure fan, 54-second rotating wheel, 61-air outlet pipe, 62-filter bag, 71-filter box, 72-air blower, 73-filter screen and 71-first rotating wheel.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-3, the embodiment provides a spray fluidized granulation drying apparatus comprising a fluidized bed 2, a drying tower 1, a spraying part and a sticking prevention part. The fluidized bed 2 is arranged at the bottom of the drying tower 1, and the spraying part comprises a threaded seat, a threaded shaft 31, a spray head 364, a limiting frame and an expansion link 32. The limiting frame comprises a top plate, a bottom plate 34 and more than two limiting plates 35, the top plate and the bottom plate 34 are both circular plates, the top plate is located above the bottom plate 34, the more than two limiting plates 35 are connected between the top plate and the bottom plate 34 and fix the top plate and the bottom plate 34, through holes 37 are formed in the middle of the top plate and the middle of the bottom plate 34, fixed ends of the threaded shaft 31 and the telescopic rod 32 are fixed to the inner top wall of the drying tower 1, the threaded shaft 31 penetrates through the through holes 37, the free end of the telescopic rod 32 is fixedly connected with the top plate, the two threaded seats are arranged between the top plate and the bottom plate 34 and are in threaded fit with the threaded shaft 31, the threaded seats are abutted to the limiting plates 35, and more than two spray heads 364 are uniformly fixed on the threaded seats; the anti-sticking part comprises an inner cylinder 41, the inner cylinder 41 is fixed inside the drying tower 1, a circular cylinder 44 inclined towards the center of the inner cylinder 41 is fixed at the bottom of the inner cylinder 41, a screen 45 is arranged between the bottom of the circular cylinder 44 and the inner wall of the drying tower 1, more than two air outlets 42 are formed in the inner cylinder 41, an air deflector 43 is connected to the outside of the inner cylinder 41, and the air deflector 43 is connected with the air outlets 42.
The equipment starts to work, the fluidized bed 2 blows upwards, and the materials are in a boiling state in the drying tower 1. At this point the spray units start working synchronously. The telescopic rod 32 reciprocates, and the limiting frame at the tail end of the telescopic rod 32 is driven to reciprocate up and down. When the limiting frame moves up and down, the threaded seat in the limiting frame is in threaded fit with the threaded shaft 31, the threaded seat rotates continuously, and the spray head 364 on the threaded seat rotates along with the threaded seat. The spray head 364 is connected with an external liquid supply device, the rotating spray head 364 can spray atomized liquid drops at a plurality of angles, and by matching up and down reciprocating movement, all directions in the drying tower 1 can be covered by the atomized liquid drops, and the powder and the liquid drops in the drying tower 1 are fully mixed. And the two threaded seats are provided with the spray heads 364, so that the atomized liquid drops sprayed out can be contacted with each other. The fluidized bed 2 at the bottom of the drying tower 1 blows air upwards, part of the air enters the space between the inner barrel and the tower wall of the drying tower 1 through the circular cylinder 44 and is discharged from the air outlet 42 under the action of the air deflector 43, in the embodiment, the air deflector 43 inclines downwards, the air blown out from the air outlet 42 is guided downwards, the materials adhered or about to be adhered on the inner barrel 41 are blown away, and the condition of wall adhesion is avoided. Meanwhile, the drying device provided by the application is a vertical parallel-flow upper-exhaust pressure spray drying tower 1, the air is exhausted upwards in the working process, and an annular air curtain is formed on the tower wall of the drying tower 1 in the upward movement of the air, so that the wet powder is isolated from the tower wall, the powder adhesion and deposition on the tower wall are prevented, and the function of preventing the wall adhesion is further achieved.
In this embodiment, a cyclone separator and a bag-type dust collector are further disposed at the top of the drying tower 1, about 15-20% of fine powder and wet air are sucked into the cyclone separator and the bag-type dust collector from an air outlet pipe at the top of the drying tower by a draught fan for separation, and tail gas is exhausted into the atmosphere through the draught fan. The fine powder separated from the cyclone separator and the bag-type dust collector returns to the drying tower 1 through a powder returning system to be agglomerated with the atomized material beads. If the fine particles screened at the bottom of the drying tower 1 do not meet the particle requirement, the fine particles can also be returned to the drying tower 1 by the powder returning system to be agglomerated into particles again. Improve the quality of the materials.
In this embodiment, an electrostatic field is disposed near the spray head 364, the externally supplied liquid is delivered from the liquid supply device to the spray head 364, and the high-voltage electrostatic field is applied to promote the rapid transfer of the more polar solvent in the suspension to the surface of the particles, so as to promote the electrostatic charge in the droplets to expel water molecules out of the droplets for evaporation, i.e., the moisture is transferred from the local or internal part to the surface of the droplets, and the transfer of the moisture allows the formation of the charged solid powder.
By controlling the voltage applied to the atomized droplets, some particles dry quickly while others dry gradually, leaving the surface more wet and sticky, the two types of particles aggregate together to form larger particles, and a very fluid product with predominantly large particles (less fine particles) is ultimately obtained.
In suspension or local agglomeration, the moisture is transferred from the droplets to the atomizing drying zone and the fluidized bed 2 and is then collected and de-energized via a grounded collection box. The manner of setting the electrostatic field in this embodiment is a conventional electrostatic spray setting manner.
This practice provides a spray fluidized granulation drying apparatus that produces a free flowing powder or granules during agglomeration forming or granulation that contains very little dust and which can dry thermoplastic and hygroscopic products that many other devices cannot process. The drying equipment of the heat-sensitive product is ideal because the temperature of the granules is always kept low. In addition, fluidization, drying and granulation are all finished at a lower exhaust temperature, so that efficient utilization of energy is facilitated, the lower the exhaust temperature is, the higher the heat exchange rate is, the higher the heat utilization rate is, and the more energy is saved.
Further, the screw thread seat includes top piece 361 and bottom piece 363, and the lateral wall of top piece 361 and bottom piece 363 all is provided with the screw thread, and top piece 361 is located the top of bottom piece 363, passes through water pipe 362 between top piece 361 and the bottom piece 363 and connects, and the shower nozzle 364 is evenly fixed in the lateral wall of water pipe 362 more than two, and shower nozzle 364 communicates with water pipe 362. In the process that the limiting frame drives the threaded seat to move up and down, the top block 361 and the bottom block 363 are simultaneously meshed with the threaded shaft 31 to rotate, meanwhile, the water pipe 362 connected between the top block 361 and the bottom block 363 is configured to be a hard pipe, and the water pipe 362 rotates along with the hard pipe. The spray head 364 can still obtain liquid supply from the water pipe 362 during the rotation process of the water pipe 362, so that the spray head 364 can still continuously spray liquid during the rotation process.
Further, the top plate is composed of an outer ring plate 331, an inner plate 332 and a water inlet joint 333, the inner plate 332 is arranged in a middle opening of the outer ring plate 331, the through hole 37 is formed in the inner plate 332, a groove 334 is formed in the middle of the water inlet joint 333, the inner plate 332 and the outer ring plate 331 are clamped in the groove 334, the bottom of the water inlet joint 333 is fixedly connected with a top block 361, and a water pipe 362 penetrates through the top block 361 and is connected with the water inlet joint 333. The water inlet joint 333 on the top block 361 is connected to an external water conveying pipe 362 through a rotary joint, and in the process that the top block 361 rotates around the threaded shaft 31, the water inlet joint 333 also rotates, and because the outer ring plate 331 and the inner ring are both clamped in the groove 334 of the water inlet joint 333, the position between the outer ring plate 331 and the inner plate 332 can still be kept relatively fixed when the water inlet joint 333 rotates. The outer ring plate 331 and the inner plate 332 are fixed relative to each other, so that the limiting frame can keep structural integrity, can move up and down under the thrust of the telescopic rod 32, and can move with the threaded seat.
Further, a filter is connected to the air inlet end of the fluidized bed 2. The filter comprises a blower 72 and a filter box 71, an output pipe of the blower 72 enters the interior of the filter box 71 from the side wall of the filter box 71, and the output pipe extends to the bottom of the filter box 71. The top wall of the filter box 71 is conical, the inside of the filter box 71 is provided with the multi-layer filter screen 73 from top to bottom, a first rotating wheel 74 is further rotatably connected in the filter box 71, more than two blades are uniformly fixed on the first rotating wheel 74, and the first rotating wheel 74 is positioned above the pipe orifice of the output pipe. The top of the filter box 71 is connected with the output port of the fluidized bed 2 through an air outlet pipe. The air blower 72 pumps external air to be discharged to the bottom of the filter box 71, water is filled in the filter box 71, the discharged air is filled in the water, the air meets the first rotating wheel 74 in the rising process of the water, the air pushes the blades to rotate, the contact time and the contact degree of the air and the water are increased due to the rotation of the blades, and impurities such as dust, flocks and the like mixed in the air can be remained in the water. The ascending air passes through the filter screens 73 in sequence, adsorbents such as activated carbon and the like are placed between the filter screens 73 to further adsorb and purify the air, drying agents such as silica gel, activated alumina and calcium chloride and the like are also arranged between the filter screens 73 to absorb moisture carried in the air, and finally the air with less impurities and low humidity is input into the fluidized bed 2, so that better effect can be obtained when the material is fluidized.
Further, spray fluidization pelletization drying device still includes collecting box 5, collecting box 5 is fixed in the top of 1 lateral wall of drying tower, first opening 51 has been seted up to 5 lateral walls of collecting box, second opening 11 has been seted up to 1 lateral wall of drying tower, first opening 51 and the 11 intercommunication of second opening, sliding connection has the shrouding 12 that is used for sealed second opening 11 in the drying tower 1, the level is fixed with slide rail 52 in the collecting box 5, slide rail 52 is connected with first opening 51, the end fixing of slide rail 52 has negative pressure air fan 53, sliding connection has second runner 54 on the slide rail 52, the board is dialled to the outside arc that is fixed with more than two of second runner 54. The top region of the drying column 1 will have agglomerated powder flowing. At this moment, the sealing plate 12 is slid, the first opening 51 and the second opening 11 are communicated with the negative pressure fan 53 to be started, agglomerated powder at the top of the drying tower 1 is sucked into the collecting box 5, and meanwhile, the arc-shaped shifting plate on the second rotating wheel 54 is used for shifting the sucked powder into the collecting box 5 in an accelerating manner, so that powder on the upper layer can be conveniently collected, and the production is convenient.
Further, the top of the drying tower 1 is connected with an air outlet pipe 61, and a filter bag 62 is fixed at the position of the top of the drying tower 1 corresponding to the air outlet pipe 61. The air outlet pipe 61 can exhaust air in the drying tower 1 of the drying tower, and the filter bag 62 can prevent materials in the drying tower 1 from being exhausted.
Further, the anti-sticking member further includes a vibrator 46, and the vibrator 46 is fixed to the inner tube 41. The vibrator 46 generates vibration and transmits the vibration to the inner cylinder 41 to vibrate the inner cylinder 41, and the vibrating inner cylinder 41 can reduce the adhesion of material powder and enhance the wall-sticking prevention capability of the device.
Other techniques of the present embodiment employ existing techniques.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (7)
1. The utility model provides a spray fluidization pelletization drying device which characterized in that: comprises a fluidized bed (2), a drying tower (1), a spraying part and an anti-sticking part;
the fluidized bed (2) is arranged at the bottom of the drying tower (1), and the spraying part comprises a threaded seat, a threaded shaft (31), a spray head (364), a limiting frame and an expansion link (32);
the limiting frame comprises a top plate, a bottom plate (34) and more than two limiting plates (35), the top plate and the bottom plate (34) are circular plates, the top plate is located above the bottom plate (34), the more than two limiting plates (35) are connected between the top plate and the bottom plate (34) and fix the top plate and the bottom plate (34), through holes (37) are formed in the middle of the top plate and the middle of the bottom plate (34), fixed ends of a threaded shaft (31) and a telescopic rod (32) are fixed to the inner top wall of the drying tower (1), the threaded shaft (31) penetrates through the through holes (37), the free end of the telescopic rod (32) is fixedly connected with the top plate, the two threaded seats are arranged between the top plate and the bottom plate (34), the threaded seats are in threaded fit with the threaded shaft (31), the threaded seats are abutted to the limiting plates (35), and more than two spray heads (364) are uniformly fixed on the threaded seats;
the anti-sticking part comprises an inner cylinder (41), the inner cylinder (41) is fixed inside the drying tower (1), a circular cylinder (44) inclined towards the center of the inner cylinder (41) is fixed at the bottom of the inner cylinder (41), a screen (45) is arranged between the bottom of the circular cylinder (44) and the inner wall of the drying tower (1), more than two air outlets (42) are formed in the inner cylinder (41), an air deflector (43) is connected to the outside of the inner cylinder (41), and the air deflector (43) is connected with the air outlets (42).
2. A spray fluidized granulation drying apparatus as claimed in claim 1, wherein:
the threaded seat comprises a top block (361) and a bottom block (363), threads are arranged on the side walls of the top block (361) and the bottom block (363), the top block (361) is located above the bottom block (363), the top block (361) and the bottom block (363) are connected through a water pipe (362), more than two spray heads (364) are uniformly fixed on the side walls of the water pipe (362), and the spray heads (364) are communicated with the water pipe (362).
3. A spray fluidized granulation drying apparatus as claimed in claim 2, wherein:
the roof comprises an outer ring plate (331), an inner plate (332) and a water inlet joint (333), wherein the inner plate (332) is arranged in a middle opening of the outer ring plate (331), the through hole (37) is formed in the inner plate (332), a groove (334) is formed in the middle of the water inlet joint (333), the inner plate (332) and the outer ring plate (331) are clamped in the groove (334), the bottom of the water inlet joint (333) is fixedly connected with a top block (361), and a water pipe (362) penetrates through the top block (361) and is connected with the water inlet joint (333).
4. A spray fluidized granulation drying apparatus as claimed in claim 1, wherein:
the air inlet end of the fluidized bed (2) is connected with a filter;
the filter comprises a blower (72) and a filter box (71), an output pipe of the blower (72) enters the interior of the filter box (71) from the side wall of the filter box (71), and the output pipe extends to the bottom of the filter box (71);
the top wall of the filter box (71) is conical, a plurality of layers of filter screens (73) are arranged in the filter box (71) from top to bottom, a first rotating wheel (74) is rotatably connected in the filter box (71), more than two blades are uniformly fixed on the first rotating wheel (74), and the first rotating wheel (74) is positioned above the orifice of the output pipe;
the top of the filter box (71) is connected with the output port of the fluidized bed (2) through an air outlet pipe.
5. A spray fluidized granulation drying apparatus as claimed in claim 1, wherein:
still include collecting box (5), collecting box (5) are fixed in the top of drying tower (1) lateral wall, first opening (51) have been seted up to collecting box (5) lateral wall, second opening (11) have been seted up to drying tower (1) lateral wall, first opening (51) and second opening (11) intercommunication, sliding connection has shrouding (12) that are used for sealed second opening (11) in drying tower (1), horizontal being fixed with slide rail (52) in collecting box (5), slide rail (52) are connected with first opening (51), the end fixing of slide rail (52) has negative-pressure air fan (53), sliding connection has second runner (54) on slide rail (52), second runner (54) outside evenly is fixed with the arc more than two and dials the board.
6. A spray fluidized granulation drying apparatus as claimed in claim 1, wherein:
the top of drying tower (1) is connected with outlet duct (61), and the position that the top corresponds outlet duct (61) in drying tower (1) is fixed with filter bag (62).
7. A spray fluidized granulation drying apparatus as claimed in claim 1, wherein:
the anti-sticking wall component further comprises a vibrator (46), and the vibrator (46) is fixed on the inner cylinder (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110574592.8A CN113267003B (en) | 2021-05-26 | 2021-05-26 | Spray fluidization granulating and drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110574592.8A CN113267003B (en) | 2021-05-26 | 2021-05-26 | Spray fluidization granulating and drying device |
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| Publication Number | Publication Date |
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| CN113267003A true CN113267003A (en) | 2021-08-17 |
| CN113267003B CN113267003B (en) | 2022-01-28 |
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