CN219072090U

CN219072090U - Low-temperature spray drying device for plant extracts

Info

Publication number: CN219072090U
Application number: CN202223274672.0U
Authority: CN
Inventors: 袁定友
Original assignee: Hunan Jaxinb Biotechnology Co ltd
Current assignee: Hunan Jaxinb Biotechnology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-26
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a low-temperature spray drying device for plant extracts, which comprises a drying tower, wherein the bottom of the drying tower is welded with a bottom plate through supporting legs, and a centrifugal fan is fixedly arranged at the edge of the top surface of the bottom plate; according to the utility model, the protective shell, the servo motor, the first shaft rod, the scraping plates, the second shaft rod, the first bevel gear, the second bevel gear, the connecting rod and the helical blade are arranged to form the scraping mechanism, the output end of the servo motor is driven to rotate by starting the servo motor, and the second bevel gear of the first shaft rod is meshed with the first bevel gear of the second shaft rod, so that the first shaft rod can drive the two scraping plates to perform a large-range circumferential scraping operation on the tower wall under the action of the connecting rod, the helical blade at the bottom of the first shaft rod can keep the smoothness of the discharge end of the drying tower, and the adhesion of dry particles to a driving part can be reduced through the arrangement of the protective shell and the servo motor positioned on the outer wall of the drying tower.

Description

Low-temperature spray drying device for plant extracts

Technical Field

The utility model relates to the technical field of spray drying devices, in particular to a low-temperature spray drying device for plant extracts.

Background

At present, in order to convert the liquid plant extract into solid powder in the preparation process, spray drying treatment is needed through a spray drying tower, so that moisture in the liquid plant extract is thoroughly removed, wherein the spray drying tower is common equipment for rapid and continuous drying of wet materials, and has the advantages of continuous production, high drying speed, convenient operation control, suitability for large-scale production and the like.

Through searching, patent number CN210096961U discloses a novel spray drying tower, which comprises a base, and a tower body is fixedly arranged at the top of the base. This novel spray drying tower makes the cam rotatory through the starter motor, cam rotation one cycle will collide and extrude the push rod with the push rod, lead to the push rod to carry the sealing plug to be the piston motion, and the air in the compression cylinder gets into the gas receiver, then spray to the inner chamber lateral wall of tower body through the nozzle, make the middlings accelerate through the discharging pipe, reciprocating motion about the sealing plug is carried transfer line and connecting seat simultaneously and tensile or compression first spring, lead to in the first spring inserts the discharging pipe when the downstream, the scraper knife is to the inner chamber lateral wall spatula of tower body and do circular motion, the second spring is compressed simultaneously, so reciprocating can scrape down the adherent middlings of inner chamber lateral wall of tower body and discharge the pipe side by side, have prevented and clear up the advantage of jam.

In the scheme, the push rod is driven to move with the sealing plug to move in a piston manner through the rotation of the cam, so that the spraying of the tower wall is realized, the scraping of the tower wall is realized through the scraping blade and the circular motion, but a large amount of attachment space is provided for dry particles due to the fact that the cam mechanism and the scraping blade driving part are arranged in an exposing manner, the scraping range of the scraping blade is mainly concentrated at the discharging end of the drying tower, and the phenomenon that the cleaning of the tower wall is not thorough exists.

Therefore, a low-temperature spray drying device for plant extracts is provided, and the low-temperature spray drying device has the advantages of simple structure and thorough scraping, so that the problems in the background technology are solved.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a low-temperature spray drying device for plant extracts.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a low temperature spray drying device for plant extract, includes the drying tower, the bottom of drying tower has the bottom plate through the landing leg welding, and the edge fastening of bottom plate top surface installs centrifugal fan, centrifugal fan's air outlet department intercommunication has the hot-blast main, and the surface mounting of hot-blast main has the heater, high pressure atomizer is installed to the bellying at drying tower top, and high pressure atomizer intercommunication has the feed liquor pipe, the bellying inner wall welding at drying tower top has hot-blast distribution cover, and the inside wind chamber and the hot-blast main intercommunication of hot-blast distribution cover, the inside welding of drying tower has the protecting crust, and the lateral wall face of protecting crust is connected with the second axostylus axostyle through sealed bearing rotation to the bottom of protecting crust is connected with first axostylus axostyle through sealed bearing rotation, the part that first axostyle extends to the protecting crust is fixed with the second helical gear, the part that the second axostylus axostyle extends to the protecting crust is fixed with first helical gear, first helical gear and second helical gear meshing connection, the surface welding of first axostylus axostyle has the connecting rod, and the one end welding of connecting rod has the feed liquor pipe, the scraper that the drying tower wall contacted with the drying tower wall, and the inside wind chamber, the inside of hot-blast cavity communicates, the drying tower inside, the inside is welded with the protecting crust, the rotor through sealed shaft, the outer wall, the servo motor is fixed with the servo shaft through the outer wall.

As a further description of the above technical solution: the bottom of hot air distribution cover is equipped with loudspeaker structure, and a plurality of wind holes have evenly been seted up to loudspeaker structure's internal face.

As a further description of the above technical solution: the helical blade of first axostylus axostyle extends to the discharge end of drying tower bottom.

As a further description of the above technical solution: the surface welding of first axostylus axostyle has two sets of connecting rods, and all welds the scraping plate on every connecting rod of group.

As a further description of the above technical solution: the top of the protective shell is provided with an arc part, and both sides of the protective shell are welded with the inner wall of the drying tower through supporting rods.

As a further description of the above technical solution: the lower part of the drying tower is provided with a conical part, and the outer wall surface of the conical part is welded with the bottom plate through a plurality of supporting legs.

As a further description of the above technical solution: the outer wall surface of the drying tower is fixedly provided with a control panel, and the output end of the control panel is respectively and electrically connected with the centrifugal fan, the heater and the servo motor.

The utility model has the following beneficial effects:

according to the utility model, the protective shell, the servo motor, the first shaft rod, the scraping plates, the second shaft rod, the first bevel gear, the second bevel gear, the connecting rod and the helical blade are arranged to form the scraping mechanism, the servo motor is started to drive the output end of the servo motor to drive the second shaft rod to rotate, and the second bevel gear of the first shaft rod is meshed with the first bevel gear of the second shaft rod, so that the first shaft rod can drive the two scraping plates to perform a large-range circumferential scraping operation on the tower wall under the action of the connecting rod, the helical blade at the bottom of the first shaft rod can keep the smoothness of the discharge end of the drying tower, and the adhesion of dry particles to a driving part can be reduced through the arrangement of the protective shell and the servo motor positioned on the outer wall of the drying tower, so that the structure is simple and the scraping operation is more complete.

According to the utility model, the hot air distribution cover is welded at the top of the inner side of the drying tower and communicated with the hot air pipe, as the air cavity is formed in the hot air distribution cover, and the plurality of air holes are formed in the inner wall of the horn structure at the bottom of the hot air distribution cover and penetrate through the air cavity, when hot air is introduced into the air cavity through the hot air pipe, plant extract atomized through the high-pressure atomizer meets with the hot air at the horn structure part of the hot air distribution cover, and under the action of gravity, the atomized plant extract in a falling state is fully contacted with the hot air blown out by the air holes in sequence.

Drawings

FIG. 1 is a schematic view showing the internal structure of a low-temperature spray-drying apparatus for plant extracts according to the present utility model;

FIG. 2 is a schematic diagram of a protective shell structure of a low temperature spray drying apparatus for plant extracts according to the present utility model;

fig. 3 is a schematic view showing a structure of a hot air distribution hood of a low temperature spray drying apparatus for plant extracts according to the present utility model.

Legend description:

1. a drying tower; 2. a protective shell; 3. a servo motor; 4. a bottom plate; 5. a first shaft; 6. a scraping plate; 7. a centrifugal fan; 8. a hot air pipe; 9. a heater; 10. a hot air distribution cover; 11. a high pressure atomizer; 12. a liquid inlet pipe; 13. a second shaft; 14. a first helical gear; 15. a second helical gear; 16. a support rod; 17. a connecting rod; 18. a helical blade; 19. a wind chamber; 20. and a wind hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to an embodiment of the present utility model, there is provided a low temperature spray drying apparatus for plant extracts.

The utility model will be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-3, a low-temperature spray drying device for plant extracts according to the embodiment of the utility model comprises a drying tower 1, wherein the bottom of the drying tower 1 is welded with a bottom plate 4 through supporting legs, a centrifugal fan 7 is fixedly arranged at the edge of the top surface of the bottom plate 4, a hot air pipe 8 is communicated with an air outlet of the centrifugal fan 7, a heater 9 is arranged on the surface of the hot air pipe 8, a high-pressure atomizer 11 is arranged at the bulge part of the top of the drying tower 1, a liquid inlet pipe 12 is communicated with the high-pressure atomizer 11, a hot air distribution cover 10 is welded on the inner wall of the bulge part of the top of the drying tower 1, an air cavity 19 inside the hot air distribution cover 10 is communicated with the hot air pipe 8, a protective shell 2 is welded inside the drying tower 1, a second shaft 13 is rotationally connected with the side wall surface of the protective shell 2 through a sealing bearing, the bottom of the protecting shell 2 is rotationally connected with a first shaft lever 5 through a sealed bearing, a second bevel gear 15 is fixed on the part of the first shaft lever 5 extending to the protecting shell 2, a first bevel gear 14 is fixed on the part of the second shaft lever 13 extending to the protecting shell 2, the first bevel gear 14 and the second bevel gear 15 are in meshed connection, a connecting rod 17 is welded on the surface of the first shaft lever 5, one end of the connecting rod 17 is welded with a scraping plate 6 contacted with the tower wall of the drying tower 1, a helical blade 18 is welded on the bottom of the first shaft lever 5, a servo motor 3 is fixed on the outer wall surface of the drying tower 1 through a mounting seat, the output end of the servo motor 3 is fixedly connected with the second shaft lever 13 through a coupler, plant extract atomized through a high-pressure atomizer 11 meets with hot air in the horn structure part of the hot air distribution cover 10 under the action of gravity, compared with the traditional hot air distribution structure, the spreading range of the atomized plant extract can be reduced, so that the atomized plant extract is sufficiently and efficiently dried, when coarse powder is adhered to the wall of the drying tower, the output end of the servo motor 3 is driven to rotate by starting the servo motor 3, and as the second bevel gear 15 of the first shaft lever 5 is meshed with the first bevel gear 14 of the second shaft lever 13, the first shaft lever 5 can drive the two scraping plates 6 to perform large-range circumferential scraping operation on the wall of the drying tower under the action of the connecting rod 17, the helical blades 18 at the bottom of the first shaft lever 5 can keep the smoothness degree of the discharge end of the drying tower 1, and the adhesion of dry particles to a driving part can be reduced and the scraping operation is more sufficient through the arrangement of the protective shell 2 and the servo motor 3 positioned on the outer wall of the drying tower 1;

in an embodiment, the bottom of hot air distribution cover 10 is equipped with loudspeaker structure, and a plurality of wind holes 20 have evenly been seted up to the internal face of loudspeaker structure, through a plurality of wind holes 20 of loudspeaker structure, can make things convenient for hot-blast gathering formula to blow off, is favorable to atomizing the abundant drying of plant extract.

In one embodiment, the helical blade 18 of the first shaft lever 5 extends to the discharging end at the bottom of the drying tower 1, and the helical blade 18 can push out the dry particulate matters at the bottom of the drying tower 1, so that the smoothness of discharging is ensured.

In one embodiment, two groups of connecting rods 17 are welded on the surface of the first shaft rod 5, and each group of connecting rods 17 is welded with a scraping plate 6, so that the scraping plates 6 are two and are in contact with the tower wall of the drying tower 1.

In one embodiment, the top of the protecting shell 2 is provided with an arc part, both sides of the protecting shell 2 are welded with the inner wall of the drying tower 1 through the supporting rods 16, and the adhesion of dry particles can be reduced through the arc part of the protecting shell 2, so that the protecting shell 2 is convenient to fix through the supporting rods 16.

In one embodiment, the lower part of the drying tower 1 is provided with a conical part, and the outer wall surface of the conical part is welded with the bottom plate 4 through a plurality of supporting legs, so that the full discharging is facilitated through the conical part of the drying tower 1, and the inclined part corresponding to the conical part of the drying tower 1 on the scraping plate 6 is provided with a scraping effect.

In one embodiment, the outer wall surface of the drying tower 1 is fixedly provided with a control panel, the output end of the control panel is respectively and electrically connected with the centrifugal fan 7, the heater 9 and the servo motor 3, a control panel control circuit can be realized through simple programming by a person skilled in the art, and the control panel control circuit belongs to common general knowledge in the art, is only used and is not modified, so that the control mode and circuit connection are not described in detail, wherein the control panel is connected with an external power supply through a wire, and is convenient for power supply.

Working principle:

when the dryer is used, firstly, plant extract is poured into the liquid inlet pipe 12, the centrifugal fan 7 and the heater 9 are started, the hot air distribution cover 10 is communicated with the hot air pipe 8 through welding at the top of the inner side of the drying tower 1, as the air cavity 19 is formed in the hot air distribution cover 10, and the plurality of air holes 20 are formed in the inner wall of the horn structure at the bottom of the hot air distribution cover 10 through the air cavity 19, when hot air is introduced into the air cavity 19 through the hot air pipe 8, the plant extract atomized through the high-pressure atomizer 11 meets with the hot air at the horn structure part of the hot air distribution cover 10, under the action of gravity, the atomized plant extract in a falling state is fully contacted with the hot air blown out by the air holes 20 in sequence, compared with the traditional hot air distribution structure, so that the diffusion range of the atomized plant extract is reduced, and the hot air and the atomized plant extract are fully and efficiently dried, when coarse powder is adhered to the wall of the dryer is scraped, the output end of the servo motor 3 is driven to rotate by starting the servo motor 3, and as the second bevel gear 15 of the first shaft 5 is meshed with the first bevel gear 14 of the second shaft 13, the first bevel gear 5 can drive the blade 6 of the connecting rod 17 to be in a large extent to the circumferential extent of the dryer shell 1, and the drying tower 2 can be more smoothly driven by the blade 1, and the drying tower 2 is more completely arranged at the bottom of the dryer.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A low temperature spray drying apparatus for plant extracts, comprising a drying tower (1), characterized in that: the bottom of the drying tower (1) is welded with a bottom plate (4) through supporting legs, a centrifugal fan (7) is fixedly arranged at the edge of the top surface of the bottom plate (4), a hot air pipe (8) is communicated with an air outlet of the centrifugal fan (7), a heater (9) is arranged on the surface of the hot air pipe (8), a high-pressure atomizer (11) is arranged on the protruding portion of the top of the drying tower (1), the high-pressure atomizer (11) is communicated with a liquid inlet pipe (12), a hot air distribution cover (10) is welded on the inner wall of the protruding portion of the top of the drying tower (1), a wind cavity (19) inside the hot air distribution cover (10) is communicated with the hot air pipe (8), a protecting shell (2) is welded inside the drying tower (1), a second shaft rod (13) is rotatably connected with the side wall surface of the protecting shell (2) through a sealing bearing, a first shaft rod (5) is rotatably connected with the bottom of the protecting shell (2) through the sealing bearing, a second bevel gear (15) is fixed on the part of the protecting shell (2), the bevel gear (13) is meshed with the first shaft (14) and the first bevel gear (14) is fixedly meshed with the first bevel gear (17), and scraping plate (6) that one end welding of connecting rod (17) contacted with drying tower (1) tower wall, the bottom welding of first axostylus axostyle (5) has helical blade (18), the outer wall surface of drying tower (1) is fixed with servo motor (3) through the mount pad, and servo motor (3) output passes through shaft coupling and second axostylus axostyle (13) fixed connection.

2. A low temperature spray drying apparatus for plant extracts as claimed in claim 1, wherein: the bottom of the hot air distribution cover (10) is provided with a horn structure, and a plurality of air holes (20) are uniformly formed in the inner wall surface of the horn structure.

3. A low temperature spray drying apparatus for plant extracts as claimed in claim 1, wherein: the helical blades (18) of the first shaft lever (5) extend to the discharging end of the bottom of the drying tower (1).

4. A low temperature spray drying apparatus for plant extracts as claimed in claim 1, wherein: two groups of connecting rods (17) are welded on the surface of the first shaft rod (5), and a scraping plate (6) is welded on each group of connecting rods (17).

5. A low temperature spray drying apparatus for plant extracts as claimed in claim 1, wherein: the top of the protective shell (2) is provided with an arc part, and both sides of the protective shell (2) are welded with the inner wall of the drying tower (1) through supporting rods (16).

6. A low temperature spray drying apparatus for plant extracts as claimed in claim 1, wherein: the lower part of the drying tower (1) is provided with a conical part, and the outer wall surface of the conical part is welded with the bottom plate (4) through a plurality of supporting legs.

7. A low temperature spray drying apparatus for plant extracts as claimed in claim 1, wherein: the outer wall surface of the drying tower (1) is fixedly provided with a control panel, and the output end of the control panel is respectively and electrically connected with the centrifugal fan (7), the heater (9) and the servo motor (3).