CN113847804A - Drying and scattering device for alumina micro powder and use method thereof - Google Patents
Drying and scattering device for alumina micro powder and use method thereof Download PDFInfo
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- CN113847804A CN113847804A CN202110961640.9A CN202110961640A CN113847804A CN 113847804 A CN113847804 A CN 113847804A CN 202110961640 A CN202110961640 A CN 202110961640A CN 113847804 A CN113847804 A CN 113847804A
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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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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Abstract
The invention discloses a drying and scattering device for alumina micropowder and a using method thereof, and relates to the field of drying and scattering of the alumina micropowder, wherein the device comprises a shell, a dispersing component movably arranged in the shell, a heating wire fixedly arranged in the dispersing component, a material guide block fixedly arranged below, an exhaust device arranged above the shell, and a discharging device arranged on one side of the lower end of the shell, wherein the material guide block is attached to the bottom wall of an inner cavity of the shell; according to the invention, the material guide pipe is heated by the heating wire, and the aluminum oxide micro powder is continuously scattered by the screw rod and the material guide pipe, so that the aluminum oxide is continuously dried in the scattering process, and the drying and scattering efficiency of the aluminum oxide micro powder is greatly improved.
Description
Technical Field
The invention belongs to the field of drying and scattering of alumina micro powder, and particularly relates to a drying and scattering device for alumina micro powder and a using method thereof.
Background
Along with the rapid development of electrolytic aluminum, ceramic, medicine, electronics, machinery and other industries in China, the market demands for aluminum oxide are large, and the demand for other finished products based on aluminum oxide is more and more, wherein the finished products comprise aluminum oxide micro powder. The method comprises the steps of obtaining raw materials of alumina before processing, crushing the raw materials after preparing high-quality raw materials, further acid washing and water washing because the purity of the alumina in the raw materials is not high and a lot of impurities exist, namely removing the impurities to obtain high-purity alumina particles, sorting the materials by using the water washing method, and drying the materials in a drying device because the materials are wet. After drying, the powder is ground into finer particles, so that the final ground micro powder is not obtained, and the powder can be finally formed only through the working procedures of calcining, soaking and the like.
The drying process of the alumina micro powder needs to break up the alumina micro powder, the existing alumina micro powder drying and breaking method generally dries and breaks up the alumina micro powder in a heating box stirring mode, and the drying and breaking efficiency of the alumina micro powder in the method is not high.
Therefore, the existing drying and scattering device for the alumina micro powder has the problem of low efficiency of drying and scattering the alumina micro powder, and therefore, the drying and scattering device for the alumina micro powder and the use method thereof are provided.
Disclosure of Invention
The invention aims to provide a drying and scattering device for alumina micropowder and a using method thereof, which can effectively solve the problem of low efficiency of drying and scattering the alumina micropowder of the existing drying and scattering device for the alumina micropowder proposed in the background art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a drying and scattering device for alumina micropowder, which comprises a shell, a dispersing component movably arranged in the shell, heating wires fixedly arranged in the dispersing component, a material guide block fixedly arranged below, an exhaust device arranged above the shell and a discharging device arranged on one side of the lower end of the shell, wherein the material guide block is attached to the bottom wall of an inner cavity of the shell; the dispersion subassembly and the heater strip are installed together, when playing the dispersion to the aluminium oxide miropowder, make the aluminium oxide miropowder be heated more easily, make the aluminium oxide miropowder more easily by the evaporation to dryness, be convenient for gather the aluminium oxide miropowder of shell inner chamber bottom at the guide block, make the aluminium oxide miropowder be convenient for by the dispersion subassembly transmission, the unloading of the aluminium oxide miropowder of being convenient for simultaneously of guide block. The exhaust device is convenient for discharging vapor generated by heating and scattering the alumina micro powder.
The dispersion subassembly includes hob, the fixed mounting of movable mounting on the inside axis of shell at the inside passage of shell, the axis collineation of passage and shell, the inner wall clearance fit of the spiral leaf of hob and passage, the bottom side of guide block fixed mounting spiral leaf on the hob, heater strip fixed mounting is inside the pipe wall of passage, the inside dispersion hole that runs through its pipe wall of having seted up of pipe wall of passage, the top fixed mounting of shell has the driving motor who is used for driving the hob. Driving motor drives the hob and rotates the in-process, the guide piece is along with rotating, the guide piece rotates the in-process and scrapes the hob around with the aluminium oxide miropowder, make the hob be more convenient for transmit the inside of passage with the aluminium oxide miropowder of shell bottom, simultaneously at the unloading in-process, driving motor drives the hob reversal, the guide piece is convenient for arrange the aluminium oxide miropowder to the inside periphery of shell, make the aluminium oxide miropowder be convenient for discharge from the device, make the aluminium oxide miropowder be difficult for remaining inside the device.
Preferably, the heating wires are spirally distributed inside the pipe wall of the material guiding pipe, and the inner walls of the dispersing holes are of a circular truncated cone structure. This design makes the heating wire more even to the heating of passage for it is better to the stoving effect of aluminium oxide miropowder, and the round platform type structure in dispersion hole makes the aluminium oxide miropowder be difficult for adhering to in the inside in dispersion hole.
Preferably, exhaust apparatus is including gathering gas piece, connecting block, filter screen and air pump, gather gas piece fixed mounting in the inner wall top of shell, connecting block fixed mounting gathers the inboard of gas piece, and with the upper end swing joint of hob, filter screen fixed mounting gathers between gas piece and the connecting block, air pump fixed mounting is in the top of shell, the top of shell is provided with the trachea, the tracheal one end runs through the lateral wall of shell, and with gather gas piece fixed connection, trachea and the inside intercommunication that gathers the gas piece, tracheal other end fixed connection is at the inlet end of air pump. The air pump sucks the air in the air gathering block through the air pipe, so that the hot air in the shell is discharged, and the floating alumina micro powder above the inner part of the device is filtered by the filter screen.
Preferably, discharging device includes swing joint at the discharge door of shell one side, fixed mounting place the board in shell bottom one side, place the storage bucket that connects on placing the board, the lower extreme fixed mounting of shell has two stoppers of symmetric distribution, discharge door swing joint is in the inboard of two stoppers, the discharge gate has been seted up to the lower extreme of shell, the discharge gate is located the inboard of two stoppers, connect the storage bucket just to the discharge gate. The guide block rotates the in-process and arranges the aluminium oxide miropowder around the shell is followed the discharge gate and is discharged, and the aluminium oxide miropowder gets into to connect the storage bucket to be collected, connects the storage bucket to take away from placing the board for the transfer of aluminium oxide miropowder is convenient.
Preferably, a one-way air inlet valve is fixedly mounted on one side of the shell, which is far away from the discharging device. When the exhaust device exhausts the inside of the device, outside air enters the inside of the device from the one-way air inlet valve, so that the internal air pressure of the device is balanced and the water vapor inside the device is exhausted conveniently.
Preferably, support shafts are fixedly installed inside the outer shell and are distributed at regular intervals, and the guide tubes are fixedly installed inside the support shafts. The support shaft is convenient for the installation of the guide pipe in the device.
Preferably, the bottom fixed mounting of shell has the base, the base is round platform shape structure, one side top fixed mounting of shell has the feed space, the top swing joint of feed space has the leak protection door. The base is convenient for support the device for placing of device is more stable, and the feed chamber is convenient for to the device feeding, and the leak protection door is convenient for place the excessive effluvium of aluminium oxide follow device internal overflow of micronic.
Preferably, the dispersion holes are uniformly spaced inside the wall of the guide tube. The design ensures that the scattering effect of the alumina micro powder is better
A use method of a drying and scattering device for alumina micropowder comprises the following steps:
s1, when the device is used, the anti-leakage door is opened, the alumina micro powder is sent into the device from the feeding chamber, the anti-leakage door is closed, and the driving motor and the air pump are opened.
S2, a driving motor drives a screw rod to rotate, the screw rod drives the alumina micro powder to be transmitted from the bottom of the inner cavity of the shell to the upper part of the interior of the material guide pipe, a heating wire heats the interior of the material guide pipe, and the alumina micro powder starts to be dried after being heated.
S3, enabling the alumina micro powder to generate a centrifugal phenomenon in the transmission of the screw rod, enabling the alumina micro powder to start to pass through the dispersion holes after being heated to disperse outside the material guide pipe, enabling moisture in the alumina micro powder to form damp and hot water vapor after being heated to be sucked into the air gathering block, filtering the alumina micro powder in the water vapor, and discharging the water vapor from the air outlet end of the air pump.
S4, repeatedly heating the alumina micro powder in the material guide pipe under the action of the screw rod, continuously evaporating the heated water, and continuously dispersing the heated water from the dispersion holes until the drying degree and the scattering degree of the alumina micro powder meet the requirements.
The invention has the following beneficial effects:
1. according to the invention, the material guide pipe is heated by the heating wire, and the alumina micro powder is transmitted to the inside of the material guide pipe by using the screw rod, so that the alumina micro powder is continuously dispersed in the transmission process, and the alumina is continuously dried.
2. According to the invention, the alumina micro powder is gathered around the screw rod through the rotation of the guide block, so that the alumina micro powder is conveniently conveyed by the screw rod, the drying and scattering efficiency of the alumina micro powder is higher, meanwhile, the alumina micro powder is discharged to the periphery of the inner part of the shell through the rotation of the guide block, the alumina micro powder is conveniently discharged from the device, and the alumina micro powder is not easy to remain in the device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a drying and scattering device for alumina micropowder and a method for using the same according to the present invention;
FIG. 2 is a front sectional view of a drying and scattering device for alumina micropowder and a method for using the same according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a view showing the structure of an exhaust apparatus of the drying and scattering apparatus for alumina micropowder and the method of using the same according to the present invention;
FIG. 5 is a perspective view of a material guide tube and a structure provided thereon of the drying and scattering device for alumina micropowder and the method of using the same of the present invention;
FIG. 6 is a connecting structure diagram of a screw rod and a material guide block of the drying and scattering device for alumina micropowder and the use method thereof of the present invention;
FIG. 7 is a perspective view of a material guide block of the drying and scattering device for alumina micropowder and the method of using the same of the present invention;
fig. 8 is a rear view of a material guide block of a drying and scattering device for alumina micropowder and a method for using the same according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a housing; 2. a screw rod; 3. heating wires; 4. a material guide block; 5. a material guide pipe; 6. a dispersion hole; 7. a gas accumulation block; 8. connecting blocks; 9. filtering with a screen; 10. an air pump; 11. an air tube; 12. a discharge door; 13. placing the plate; 14. a receiving barrel; 15. a limiting block; 16. a discharge port; 17. a one-way intake valve; 18. a support shaft; 19. a base; 20. a feed chamber; 21. a leakage-proof door; 22. the motor is driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-8, the present invention relates to a drying and scattering device for alumina micropowder and a using method thereof, comprising a shell 1, a dispersing component movably arranged inside the shell 1, a heating wire 3 fixedly arranged inside the dispersing component, a material guide block 4 fixedly arranged below, an exhaust device arranged above the shell 1, a discharging device arranged at one side of the lower end of the shell 1, wherein the material guide block 4 is attached to the bottom wall of the inner cavity of the shell 1; the dispersion subassembly and the heater strip 3 are installed together, when playing the dispersion to the aluminium oxide miropowder, make the aluminium oxide miropowder be heated more easily, make the aluminium oxide miropowder more easily by the evaporation to dryness, be convenient for gather the aluminium oxide miropowder of 1 inner chamber bottom of shell at guide block 4, make the aluminium oxide miropowder be convenient for by the transmission of dispersion subassembly, the unloading of the aluminium oxide miropowder of being convenient for simultaneously of guide block 4. The exhaust device is convenient for discharging vapor generated by heating and scattering the alumina micro powder.
The dispersion subassembly includes the hob 2 of movable mounting on the inside axis of shell 1, fixed mounting is at the inside passage 5 of shell 1, the axis collineation of passage 5 and shell 1, the spiral leaf of hob 2 and the inner wall clearance fit of passage 5, the bottom side of spiral leaf is gone up to guide block 4 fixed mounting on hob 2, heater strip 3 fixed mounting is inside the pipe wall of passage 5, dispersion hole 6 that runs through its pipe wall is seted up to the pipe wall inside of passage 5, the top fixed mounting of shell 1 has the driving motor 22 that is used for driving hob 2. During the process that the driving motor 22 drives the screw rod 2 to rotate, the guide block 4 rotates, the guide block 4 scrapes alumina micropowder around the screw rod 2 during the rotation process, so that the screw rod 2 is more convenient to transmit the alumina micropowder at the bottom of the shell 1 to the inside of the guide pipe 5, the guide pipe 5 is heated by the heating wire 3, and the alumina micropowder is transmitted to the inside of the guide pipe 5 by using the screw rod 2, so that the alumina micropowder is continuously dispersed during the transmission process, and the alumina is continuously dried, meanwhile, because the alumina micropowder has a centrifugal phenomenon, when the alumina micropowder passes through the dispersion hole 6 and is arranged to the outside of the guide pipe 5, the alumina micropowder is further dispersed, meanwhile, the moisture in the alumina micropowder is more easily dried, the drying and dispersion efficiency of the alumina micropowder is greatly improved, after the alumina micropowder is repeatedly input into the inside of the guide pipe 5 and is continuously dried and dispersed, until the drying degree and the scattering degree meet the requirements; in the unloading in-process, driving motor 22 drives the 2 reversals of hob, and guide block 4 is convenient for arrange the aluminium oxide miropowder to the inside periphery of shell 1 for the aluminium oxide miropowder is convenient for discharge in the device, makes the aluminium oxide miropowder be difficult for remaining inside the device, and is preferred, and driving motor 22 is servo motor.
The heating wires 3 are spirally distributed inside the pipe wall of the material guide pipe 5, and the inner walls of the dispersing holes 6 are of a circular truncated cone structure. This design makes heater strip 3 more even to the heating of passage 5 for it is better to the stoving effect of aluminium oxide miropowder, and the round platform type structure of dispersion hole 6 makes the aluminium oxide miropowder be difficult for adhering to in the inside of dispersion hole 6.
Exhaust apparatus is including gathering gas piece 7, connecting block 8, filter screen 9 and air pump 10, gather gas piece 7 fixed mounting in shell 1's inner wall top, 8 fixed mounting of connecting block are in the inboard of gathering gas piece 7, and with the upper end swing joint of hob 2, 9 fixed mounting of filter screen is between gathering gas piece 7 and connecting block 8, 10 fixed mounting of air pump is in shell 1's top, shell 1's top is provided with trachea 11, shell 1's lateral wall is run through to trachea 11's one end, and with gather gas piece 7 fixed connection, trachea 11 with gather the inside intercommunication of gas piece 7, trachea 11's other end fixed connection is at the inlet end of air pump 10. The air pump 10 sucks the air in the air gathering block 7 through the air pipe 11, so that the hot air in the shell 1 is discharged, and the alumina micro powder floating above the inside of the device is filtered by the filter screen 9.
The discharging device comprises a discharging door 12 movably connected to one side of the shell 1, a placing plate 13 fixedly installed on one side of the bottom of the shell 1, and a receiving barrel 14 placed on the placing plate 13, wherein the lower end of the shell 1 is fixedly provided with two limiting blocks 15 which are symmetrically distributed, the discharging door 12 is movably connected to the inner sides of the two limiting blocks 15, the lower end of the shell 1 is provided with a discharging port 16, the discharging port 16 is located on the inner sides of the two limiting blocks 15, and the receiving barrel 14 is opposite to the discharging port 16. The alumina micropowder that the guide block 4 rotates the in-process and arranges to shell 1 inside around is discharged from discharge gate 16, and the alumina micropowder gets into and connects storage bucket 14 to be collected, connects storage bucket 14 to take away from placing board 13 for the transfer of alumina micropowder is convenient.
One side of the shell 1 far away from the discharging device is fixedly provided with a one-way air inlet valve 17. When the exhaust device exhausts the inside of the device, outside air enters the inside of the device from the one-way air inlet valve 17, so that the air pressure inside the device is balanced and the water vapor inside the device is exhausted.
The bottom fixed mounting of shell 1 has base 19, and base 19 is round platform shape structure, and one side top fixed mounting of shell 1 has feed chamber 20, and the top swing joint of feed chamber 20 has leak protection door 21. Base 19 is convenient for support the device for placing of device is more stable, and the feed chamber 20 is convenient for the device feeding, and the leak protection door 21 is convenient for place the excessive effluvium of aluminium oxide follow device of miropowder.
The dispersion holes 6 are uniformly spaced inside the wall of the guide tube 5. The design makes the scattering effect of the alumina micro powder better.
When in use:
opening the anti-leakage door 21, feeding the alumina micro powder into the device from the feeding chamber 20, closing the anti-leakage door 21, opening the driving motor 22 and the air pump 10, the driving motor 22 driving the screw rod 2 to rotate, the screw rod 2 driving the alumina micro powder from the bottom of the inner cavity of the shell 1 to the upper part of the inner cavity of the guide pipe 5, the heating wire 3 heating the inner part of the guide pipe 5, the alumina micro powder being heated and dried, the alumina micro powder generating a centrifugal phenomenon in the driving of the screw rod 2, and the alumina micro powder being heated and dispersed to pass through the dispersion holes 6 and disperse to the outer part of the guide pipe 5, the moisture in the alumina micro powder forming damp and hot steam after being heated being sucked into the inner part of the gas gathering block 7, the alumina micro powder in the steam being filtered, the steam being discharged from the gas outlet end of the air pump 10, the alumina micro powder being repeatedly heated in the guide pipe 5 under the action of the screw rod 2, after being heated moisture by continuous evaporation to constantly being dispersed from dispersion hole 6, until the drying degree of aluminium oxide miropowder with break up the degree and accord with the needs, when discharging the aluminium oxide miropowder at last, driving motor 22 drives the hob 2 reversal for guide block 4 is discharged the aluminium oxide miropowder to the inside periphery of shell 1, makes the aluminium oxide miropowder finally discharged from discharge door 12.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a device is broken up with drying to aluminium oxide miropowder which characterized in that: the device comprises a shell (1), a dispersing component movably arranged in the shell (1), a heating wire (3) fixedly arranged in the dispersing component, a material guide block (4) fixedly arranged below, an exhaust device arranged above the shell (1) and a discharging device arranged on one side of the lower end of the shell (1), wherein the material guide block (4) is attached to the bottom wall of an inner cavity of the shell (1);
the dispersion subassembly includes movable mounting screw rod (2), fixed mounting on the inside axis of shell (1) guide tube (5) inside in shell (1), the axis collineation of guide tube (5) and shell (1), the spiral leaf of screw rod (2) and the inner wall clearance fit of guide tube (5), the bottom side of spiral leaf is gone up in guide block (4) fixed mounting screw rod (2), heater strip (3) fixed mounting is inside the pipe wall of guide tube (5), dispersion hole (6) that run through its pipe wall are seted up to the pipe wall inside of guide tube (5), the top fixed mounting of shell (1) has driving motor (22) that are used for driving screw rod (2).
2. The drying and scattering device for the alumina micropowder according to claim 1, characterized in that: the heating wires (3) are spirally distributed in the pipe wall of the material guide pipe (5), and the inner walls of the dispersing holes (6) are of a circular truncated cone structure.
3. The drying and scattering device for the alumina micropowder according to claim 2, characterized in that: exhaust apparatus is including gathering gas piece (7), connecting block (8), filter screen (9) and air pump (10), gather gas piece (7) fixed mounting in the inner wall top of shell (1), connecting block (8) fixed mounting gathers the inboard of gas piece (7), and with the upper end swing joint of hob (2), filter screen (9) fixed mounting gathers between gas piece (7) and connecting block (8), air pump (10) fixed mounting is in the top of shell (1), the top of shell (1) is provided with trachea (11), the lateral wall of shell (1) is run through to the one end of trachea (11), and with gather gas piece (7) fixed connection, trachea (11) and the inside intercommunication of gathering gas piece (7), the other end fixed connection of trachea (11) is at the inlet end of air pump (10).
4. The drying and scattering device for the alumina micropowder according to claim 3, characterized in that: the discharging device comprises a discharging door (12) movably connected to one side of the shell (1), a placing plate (13) fixedly installed on one side of the bottom of the shell (1), and a receiving barrel (14) placed on the placing plate (13), wherein two limiting blocks (15) are symmetrically distributed at the lower end of the shell (1), the discharging door (12) is movably connected to the inner sides of the two limiting blocks (15), a discharging hole (16) is formed in the lower end of the shell (1), the discharging hole (16) is located in the inner sides of the two limiting blocks (15), and the receiving barrel (14) is opposite to the discharging hole (16).
5. The drying and scattering device for the alumina micropowder according to claim 4, characterized in that: one side of the shell (1) far away from the discharging device is fixedly provided with a one-way air inlet valve (17).
6. The drying and scattering device for the alumina micropowder according to claim 5, characterized in that: supporting shafts (18) which are uniformly distributed at intervals are fixedly arranged in the shell (1), and the material guide pipe (5) is fixedly arranged in the supporting shafts (18).
7. The drying and scattering device for the alumina micropowder according to claim 6, characterized in that: the bottom fixed mounting of shell (1) has base (19), base (19) are round platform shape structure, one side top fixed mounting of shell (1) has feed space (20), the top swing joint of feed space (20) has leak protection door (21).
8. The drying and scattering device for the alumina micropowder according to claim 7, characterized in that: the dispersion holes (6) are uniformly distributed at intervals in the pipe wall of the material guide pipe (5).
9. The use method of the drying and scattering device for the alumina micropowder according to claim 8 is characterized by comprising the following steps:
s1, when the device is used, the anti-leakage door (21) is opened, the alumina micro powder is sent into the device from the feeding chamber (20), the anti-leakage door (21) is closed, and the driving motor (22) and the air pump (10) are opened;
s2, a driving motor (22) drives a screw rod (2) to rotate, the screw rod (2) drives the alumina micro powder to the upper part of the interior of the guide pipe (5) from the bottom of the inner cavity of the shell (1), a heating wire (3) heats the interior of the guide pipe (5), and the alumina micro powder is heated and dried;
s3, the alumina micro powder generates a centrifugal phenomenon in the transmission of the screw rod (2), in addition, after being heated, the alumina micro powder starts to penetrate through the dispersion holes (6) to be dispersed to the outside of the guide pipe (5), moisture in the alumina micro powder forms damp and hot water vapor after being heated, and the damp and hot water vapor is sucked into the air gathering block (7), at the moment, the alumina micro powder in the water vapor is filtered, and the water vapor is discharged from the air outlet end of the air pump (10);
s4, repeatedly heating the alumina micropowder in the material guide pipe (5) under the action of the screw rod (2), continuously evaporating the heated moisture, and continuously dispersing the heated moisture from the dispersing holes (6) until the drying degree and the dispersing degree of the alumina micropowder meet the requirements.
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| CN110772818A (en) * | 2019-12-12 | 2020-02-11 | 南京中医药大学 | Mulberry leaf extract spray drying equipment |
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Application publication date: 20211228 |
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