CN221015896U

CN221015896U - Fluidized bed granulator

Info

Publication number: CN221015896U
Application number: CN202322620055.XU
Authority: CN
Inventors: 江琎; 宋敏; 李伟欣
Original assignee: Jiangyou Pharmaceutical Changde Co ltd
Current assignee: Jiangyou Pharmaceutical Changde Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-28
Anticipated expiration: 2033-09-26

Abstract

The present application provides a fluid bed granulator comprising: a granulation vessel comprising a first interior cavity; the first inner cavity comprises a granulating cavity and an air inlet cavity; the granulating cavity is positioned above the air inlet cavity; a partition plate is arranged between the granulating cavity and the air inlet cavity; the partition plate is provided with a plurality of ventilation holes; the liquid adding assembly comprises a guide pipe and a plurality of spray heads; the guide pipe is arranged on the inner wall of the granulating cavity, extends along the inner wall of the granulating cavity and is communicated end to end; a plurality of spray heads are arranged on the guide pipe; the liquid adding component also comprises a liquid inlet pipe; one end of the liquid inlet pipe is communicated with the guide pipe, and the other end of the liquid inlet pipe penetrates through the side wall of the granulating cavity and extends to the outside of the granulating container; compared with the prior art, the fluidized bed granulator provided by the application comprises a plurality of spray heads, is annularly arranged on the inner side wall of the granulating cavity, can spray adhesive more uniformly, and has more excellent practical use effect.

Description

Fluidized bed granulator

Technical Field

The application relates to the technical field of equipment for producing medicines, in particular to a fluidized bed granulator.

Background

The fluidized bed granulator is equipment commonly used in the pharmaceutical field, and the principle is as follows: the material powder particles are in a ring fluidization state in a raw material container (fluidized bed), preheated and mixed by purified heating air, and the adhesive solution is atomized and sprayed into the particles to be aggregated into granules containing adhesive, and the hot air continuously dries the material to evaporate moisture in the granules and solidify the adhesive, so that the process is repeatedly carried out to form ideal and uniform microporous spherical particles.

The fluidized bed granulator in the prior art generally comprises a vessel in which hot air flows upward from the bottom of the vessel to fluidize the powder, and then the powder is agglomerated into granules by spraying a binder into the vessel. The prior art devices for spraying adhesives comprise a nozzle located on the vertical axis of the container and a conduit connecting the nozzle; the above design, the spray head and the guide tube easily influence the flow of the powder, and the spraying adhesive is not uniform enough.

Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies in the prior art.

Disclosure of utility model

In order to solve the technical problems, the application provides a fluidized bed granulator; comprising a fluid bed granulator comprising:

A granulation vessel comprising a first interior cavity; the first inner cavity comprises a granulating cavity and an air inlet cavity; the granulating cavity is positioned above the air inlet cavity; a partition plate is arranged between the granulating cavity and the air inlet cavity; the partition plate is provided with a plurality of ventilation holes; and

The liquid adding assembly comprises a guide pipe and a plurality of spray heads; the guide pipe is arranged on the inner wall of the granulating cavity, extends along the inner wall of the granulating cavity and is communicated end to end; a plurality of spray heads are arranged on the guide pipe; the liquid adding component further comprises a liquid inlet pipe; one end of the liquid inlet pipe is communicated with the guide pipe, and the other end of the liquid inlet pipe penetrates through the side wall of the granulating cavity and extends to the outside of the granulating container.

Optionally, one end of the spray header is connected with the conduit; the other end of the spray header is inclined downwards towards the partition plate.

Optionally, the fluid bed granulator comprises a feed assembly mounted at the top end of the granulation vessel; the first discharge pipe of the charging assembly extends through the top wall of the granulation vessel into the granulation cavity.

Optionally, the air inlet pipe comprises an air inlet pipe, and one end of the air inlet pipe penetrates through the side wall of the air inlet cavity and extends into the air inlet cavity.

Optionally, the partition board is movably installed in the granulation container; the baffle comprises a first driving assembly, wherein the first driving assembly drives the baffle to rotate around a rotating shaft.

Optionally, the bottom surface of the air inlet cavity comprises a first discharge hole; the first discharge hole is connected with the second discharge pipe; the bottom surface of air inlet chamber is the inclined plane, the bottom on inclined plane is connected first discharge gate.

Optionally, the fluid bed granulator comprises a discharge assembly; the outfeed assembly includes:

the upper end of the box body is provided with a feed inlet; the lower end of the second discharging pipe penetrates through the feeding hole and extends to a second inner cavity of the box body; the front end of the box body is provided with a second discharge hole; and

The vibration discharging plate is obliquely arranged in the second inner cavity of the box body; the front end of the vibration discharging plate is positioned right below the second discharging pipe; the tail end of the vibration discharging plate penetrates through the second discharging hole to extend out of the box body.

Optionally, the box body includes a first side wall and a second side wall which are oppositely arranged, and a plurality of air inlets are formed in the first side wall; a plurality of cold air blast pipes of the cold air blower are in one-to-one butt joint with the air inlets from the outside of the box body; and a plurality of air outlets are arranged on the second side wall.

Optionally, the vibration discharging plate includes:

The discharging plate is obliquely arranged in the second inner cavity of the box body; the front end of the discharging plate is positioned right below the second discharging pipe; the tail end of the discharging plate penetrates through the second discharging hole and extends out of the box body;

The vibration motor is arranged on the discharging plate;

A spring expansion link mounted to the discharge plate for supporting the discharge plate, and

The net cover is arranged on the upper end face of the discharging plate; the mesh opening of the mesh enclosure is smaller than the minimum particle size of the prepared particles.

Optionally, the mesh enclosure comprises a side mesh enclosure and a top mesh enclosure; the side net cover is arranged at two sides of the discharging plate along the length direction; the top net cover is arranged at the upper end of the side net cover; the top net cover and the side net covers on two sides and the discharging plate form a discharging channel for the particle material to pass through; the two sides of the front end of the discharging plate are provided with the side net cover without the top net cover,

Compared with the prior art, the fluidized bed granulator provided by the application comprises a plurality of spray heads, is annularly arranged on the inner side wall of the granulating cavity, and can spray adhesive more uniformly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural view of an embodiment of the fluid bed granulator provided by the present application.

Fig. 2 is a schematic structural view of a discharge plate in an embodiment of the fluid bed granulator according to the present application.

1. A granulating device; 11. a granulation vessel; 111. a first lumen; 1111. an inclined plane; 12. a conduit; 121. a catheter lumen; 122. a spray header; 123. a liquid inlet pipe; 13. a partition plate; 131. a rotating shaft; 14. an air inlet pipe;

2. a charging assembly; 21. a first discharge pipe;

3. A second discharge pipe;

4. A case;

41. a second lumen; 411. an air inlet; 412. a second discharge port;

5. vibrating the discharge plate; 51. a discharge plate; 52. a mesh enclosure; 53. a spring telescoping rod; 54. a vibration motor.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements defined by the statement "include one … …" are not excluded from the package.

In order to solve the technical problems, the application provides a fluidized bed granulator.

Specifically, in an alternative embodiment, the fluid bed granulator comprises: a granulation vessel 11 comprising a first interior cavity 111; the first inner cavity 111 comprises a granulating cavity and an air inlet cavity; the granulating cavity is positioned above the air inlet cavity; a partition plate 13 is arranged between the granulating cavity and the air inlet cavity; the partition 13 is provided with a plurality of ventilation holes; and, a priming assembly comprising a conduit 12 and a plurality of showerheads 122; the guide pipe 12 is arranged on the inner wall of the granulating cavity, and the guide pipe 12 extends along the inner wall of the granulating cavity and is communicated with each other end to end; a plurality of the showerheads 122 are mounted to the duct 12; the liquid adding component also comprises a liquid inlet pipe 123; one end of the liquid inlet pipe 123 is communicated with the inner cavity 121 of the guide pipe 12, and the other end of the liquid inlet pipe extends to the outside of the granulation container 11 through the side wall of the granulation cavity. Optionally, the granulating cavity of the granulating container 11 is cylindrical; the conduits 12 are correspondingly arranged in a ring-shaped configuration. In an alternative embodiment, the conduit 12 is disposed horizontally. Further, the fluidized bed granulator comprises a blowing device and a heating device, wherein the air flow formed by the blowing device is heated by the heating device to enter the air inlet cavity, and then enters the granulating cavity through the vent hole of the partition 13.

In an alternative embodiment, one end of the showerhead 122 is connected to the conduit 12; the other end of the shower head 122 is inclined downward toward the partition 13.

In an alternative embodiment, the front ends of the showerheads 122 are each directed toward the center of the partition 13 of the granulation vessel 11.

In an alternative embodiment, the fluid bed granulator comprises a feed assembly 2 mounted at the top end of the granulation vessel 11; the first discharge pipe 21 of the charging assembly 2 extends through the top wall of the granulation vessel 11 into the granulation chamber.

In an alternative embodiment, the feeding assembly 2 comprises a screw conveyor, one end of which is provided with a feed inlet; the other end of the screw conveyor is provided with a discharge hole; the feed inlet is provided with a feed hopper; the discharge hole is connected with the upper end of the first discharge pipe 21; the lower end of the first discharging pipe 21 penetrates through the top wall of the granulation container 11 to extend into the granulation cavity, and powder enters the granulation cavity through the first discharging pipe 21.

In an alternative embodiment, an air inlet duct 14 is included, and one end of the air inlet duct 14 extends into the air inlet chamber through a side wall of the air inlet chamber. It will be appreciated that the other end of the air inlet pipe 14 is connected to the air outlet of the heating device. Hot air enters the air intake chamber through the air intake duct 14.

In an alternative embodiment, the partition 13 is movably mounted to the granulation vessel 11; comprises a first driving assembly which drives the partition 13 to rotate around a rotating shaft 131. In this embodiment, the partition 13 is used as a flap valve, and the partition 13 is driven by the first driving component to rotate from a horizontal position to a vertical position, so that particles can fall into the air inlet cavity; the bottom surface of the air inlet cavity comprises a first discharge hole; the first discharge hole is connected with the second discharge pipe 3; the bottom surface of air inlet chamber is inclined plane 1111, the bottom of inclined plane 1111 is connected first discharge gate. The first discharge port is used for discharging of the fluidized bed granulator. The second discharging pipe 3 is internally provided with a discharging valve, and the discharging valve can be a flap valve or other valves in the prior art. The discharge valve of the second discharge pipe 3 has better air tightness.

In an alternative embodiment, the fluid bed granulator comprises a discharge assembly; the outfeed assembly includes:

The upper end of the box body 4 is provided with a feed inlet; the lower end of the second discharging pipe 3 passes through the feeding port and extends to a second inner cavity 41 of the box body 4; the front end of the box body 4 is provided with a second discharge port 412; and

The vibration discharging plate 5 is obliquely arranged in the second inner cavity 41 of the box body 4; the front end of the vibration discharging plate 5 is positioned right below the second discharging pipe 3; the end of the vibration discharging plate 5 passes through the second discharging hole 412 to extend out of the case 4. Particles enter the front end of the vibration discharging plate 5 from the second discharging pipe 3, and the particles are discharged from the second discharging hole 412 under vibration.

In an alternative embodiment, the case 4 includes a first side wall and a second side wall that are disposed opposite to each other, and the first side wall is provided with a plurality of air inlets 411; a plurality of cold air blast pipes of the cold air blast blower are in one-to-one butt joint with the air inlets 411 from the outside of the box body 4; and a plurality of air outlets are arranged on the second side wall. The granular materials are discharged from the vibration discharging plate 5 and rapidly cooled under the action of the cold air.

In an alternative embodiment the vibrating tapping plate 5 comprises: the discharging plate 51 is obliquely arranged in the second inner cavity 41 of the box body 4; the front end of the discharging plate 51 is positioned right below the second discharging pipe 3; the tail end of the discharging plate 51 passes through the second discharging hole 412 to extend out of the box body 4; a vibration motor 54 mounted to the discharge plate 51; a spring telescopic rod 53 mounted to the discharge plate 51 for supporting the discharge plate 51, and a mesh cover 52 mounted to an upper end surface of the discharge plate 51; the mesh openings of the mesh enclosure 52 are smaller than the smallest particle size of the particulate matter produced. Further, the device comprises four spring telescopic rods 53, wherein two spring telescopic rods 53 are arranged at the rear end position of the discharging plate 51; the two spring telescopic rods 53 are arranged at the front end position of the discharging plate 51; the spring telescopic rod 53 comprises a pipe sleeve and a movable rod; the lower end of the pipe sleeve is fixedly arranged on the bottom surface of the box body 4; the lower end of the movable rod is inserted into the first pipe sleeve from the top end of the pipe sleeve, movably mounted on the pipe sleeve and movable along the length direction of the pipe sleeve; the top end of the movable rod is fixedly connected with the lower end surface of the discharging plate 51; the inner cavity of the pipe sleeve is provided with a spring, and the bottom end of the spring is connected with the bottom end of the inner cavity of the pipe sleeve; the top end of the spring is connected with the lower end face of the movable rod.

In an alternative embodiment, the mesh enclosure 52 includes a side mesh enclosure and a top mesh enclosure; the side mesh covers are arranged at two sides of the discharging plate 51 along the length direction; the top net cover is arranged at the upper end of the side net cover; the top mesh enclosure and the side mesh enclosures on both sides and the discharge plate 51 form a discharge channel through which the particulate material passes; the two sides of the front end of the discharging plate 51 are provided with the side net cover, and the top net cover is not provided.

In summary, the fluidized bed granulator provided by the application comprises a plurality of spray heads, is annularly arranged on the inner side wall of the granulation cavity, can spray adhesive more uniformly, and has high practical use value.

The foregoing is only a specific embodiment of the application so that those skilled in the art may understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fluid bed granulator, comprising:

A granulation vessel (11) comprising a first internal cavity (111); the first inner cavity (111) comprises a granulating cavity and an air inlet cavity; the granulating cavity is positioned above the air inlet cavity; a partition plate (13) is arranged between the granulating cavity and the air inlet cavity; the partition plate (13) is provided with a plurality of ventilation holes; and

A charging assembly comprising a conduit (12) and a plurality of showerheads (122); the guide pipe (12) is arranged on the inner wall of the granulating cavity, and the guide pipe (12) extends along the inner wall of the granulating cavity and is communicated with the end to end; a plurality of the spray heads (122) are arranged on the guide pipe (12); the liquid adding assembly further comprises a liquid inlet pipe (123); one end of the liquid inlet pipe (123) is communicated with the guide pipe (12), and the other end of the liquid inlet pipe penetrates through the side wall of the granulating cavity and extends to the outside of the granulating container (11).

2. Fluidized bed granulator according to claim 1, characterized in that one end of the spray header (122) is connected to the conduit (12); the other end of the spray header (122) is inclined downwards and faces the partition plate (13).

3. Fluid bed granulator according to claim 1, characterized in that it comprises a feeding assembly (2) mounted at the top end of the granulation vessel (11); a first discharge pipe (21) of the charging assembly (2) extends through the top wall of the granulation vessel (11) into the granulation chamber.

4. Fluidized bed granulator according to claim 1, comprising an air inlet duct (14), one end of the air inlet duct (14) extending into the air inlet chamber through a side wall of the air inlet chamber.

5. Fluidized bed granulator according to claim 1, characterized in that the partition (13) is movably mounted to the granulation vessel (11); comprises a first driving component which drives the partition board (13) to rotate around a rotating shaft (131).

6. The fluid bed granulator of claim 5 wherein the bottom surface of the air inlet chamber comprises a first discharge port; the first discharge hole is connected with the second discharge pipe (3); the bottom surface of air inlet chamber is inclined plane (1111), the bottom of inclined plane (1111) is connected first discharge gate.

7. The fluid bed granulator of claim 6 wherein the fluid bed granulator comprises a discharge assembly;

The outfeed assembly includes:

The upper end of the box body (4) is provided with a feed inlet; the lower end of the second discharging pipe (3) penetrates through the feeding hole and extends to a second inner cavity (41) of the box body (4); a second discharge hole (412) is formed in the front end of the box body (4); and

The vibration discharging plate (5) is obliquely arranged in the second inner cavity (41) of the box body (4); the front end of the vibration discharging plate (5) is positioned right below the second discharging pipe (3); the tail end of the vibration discharging plate (5) penetrates through the second discharging hole (412) to extend out of the box body (4).

8. The fluid bed granulator according to claim 7, wherein the housing (4) comprises a first side wall and a second side wall arranged opposite to each other, and a plurality of air inlets (411) are formed in the first side wall; a plurality of cold air blast pipes of the cold air blower are in one-to-one butt joint with the air inlets (411) from the outside of the box body (4); and a plurality of air outlets are arranged on the second side wall.

9. Fluidized bed granulator according to claim 8, characterized in that the vibrating discharge plate (5) comprises:

The discharging plate (51) is obliquely arranged in the second inner cavity (41) of the box body (4); the front end of the discharging plate (51) is positioned right below the second discharging pipe (3); the tail end of the discharging plate (51) passes through the second discharging hole (412) to extend out of the box body (4);

a vibration motor (54) mounted to the discharge plate (51);

A spring telescopic rod (53) mounted to the discharge plate (51) for supporting the discharge plate (51), and

A mesh enclosure (52) mounted on the upper end surface of the discharge plate (51); the mesh openings of the mesh enclosure (52) are smaller than the minimum particle size of the prepared particulate matter.

10. The fluid bed granulator of claim 9 wherein the mesh enclosure (52) comprises a side mesh enclosure and a top mesh enclosure; the side net cover is arranged at two sides of the discharging plate (51) along the length direction; the top net cover is arranged at the upper end of the side net cover; the top net cover and the side net covers on two sides and the discharging plate (51) form a discharging channel for the particle material to pass through; the two sides of the front end position of the discharging plate (51) are provided with the side net cover, and the top net cover is not arranged.