CN213466787U

CN213466787U - Centrifugal spray drier

Info

Publication number: CN213466787U
Application number: CN202021467568.1U
Authority: CN
Inventors: 郭涵亿
Original assignee: Shanghai Wanshicheng Pharmaceutical Co ltd
Current assignee: Shanghai Wanshicheng Pharmaceutical Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-06-18
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a centrifugal spray drier belongs to pharmacy auxiliary assembly technical field, which comprises a tank body, jar body installation centrifugal atomizer, centrifugal atomizer has liquid input port and nozzle, the jar body is equipped with hot-blast import and hot air exitus, the jar body has the material discharge port, the inside of the jar body is equipped with the inner bag body, the inner bag body has cylindric section and awl barrel portion, the upper end of cylindric section is equipped with the port, centrifugal atomizer's nozzle stretches into the internal side of inner bag, set up first flexible pipe box between the upper portion of the inner bag body and the upper wall of the jar body, the cylindric section is equipped with air inlet and gas outlet, the air inlet passes through the flexible pipe box intercommunication of second with hot-blast import, the gas outlet passes through third flexible pipeline intercommunication with hot air exitus, the inner wall of the jar body is equipped with the supporting part, the outer wall of cylindric section is equipped with the portion of hanging, install. The device can avoid the occurrence of powder bonding layers on the equipment, thereby ensuring the discharging efficiency and the processing efficiency of the equipment.

Description

Centrifugal spray drier

Technical Field

The utility model belongs to the technical field of the medicinal material processing equipment, especially, relate to a centrifugal spray drier.

Background

Centrifugal spray dryers are equipped with centrifugal atomizers. The centrifugal spray dryer is one of the most widely used dryers in industrial production, feed liquid is introduced into a centrifugal atomizer, after the liquid is thrown into fog drops under the action of centrifugal force, high-temperature gas introduced into the dryer is used for quickly dehydrating and drying the drops, so that the feed liquid is dried in the dryer. The tank body of the dryer is of a cylindrical structure, the upper part of the dryer is of a cylindrical structure, the lower part of the dryer is of a conical structure, and the lower end of the conical cylinder is provided with a material outlet for discharging. Powder formed by drying atomized liquid by high-temperature gas slides to a material outlet along the inner wall of the tank body under the action of centrifugal force, however, the inner wall of the tank body of the dryer often forms a bonding layer on the inner wall due to the fact that the powder in the tank body is wet, so that the discharging efficiency of equipment is influenced, the machine must be stopped to clean when the discharging efficiency is serious, and the production and processing efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model provides a solve a jar internal wall and produce the tie coat easily to influence the centrifugal spray drier of the jar body of drying efficiency problem.

The utility model discloses a realize like this, a centrifugal spray drier, which comprises a tank body, the upper portion installation centrifugal atomizer of the jar body, centrifugal atomizer has liquid input port and nozzle, centrifugal atomizer's liquid input port is located the outside of the jar body, centrifugal atomizer's nozzle is located the inboard of the jar body, the upper portion of the jar body is equipped with hot-blast import, the lower part of the jar body is equipped with hot air exitus, the lower extreme of the jar body has the material discharge port, the relevant fan of material discharge port department installation of the jar body, its characterized in that: the inner container body is arranged in the tank body and provided with a cylindrical part and a conical cylindrical part positioned at the lower part of the cylindrical part, an upper port corresponding to a nozzle of the centrifugal atomizer is arranged at the upper end of the cylindrical part, the nozzle of the centrifugal atomizer extends into the inner side of the inner container body from the upper port, a first flexible pipe sleeve sleeved on the periphery of the centrifugal atomizer is arranged between the upper part of the inner container body and the upper wall of the tank body, an air inlet is arranged at the upper part of the cylindrical part, an air outlet is arranged at the lower part of the cylindrical part and communicated with the hot air inlet through a second flexible pipe sleeve, the air outlet is communicated with the hot air outlet through a third flexible pipe, a supporting part is arranged on the inner wall of the tank body, a supporting part is arranged on the outer wall of the cylindrical part, a vertical vibration spring is arranged between the supporting part and the supporting part, and a vibration motor is fixed on the, the lower end of the cone cylinder part is provided with a discharge opening corresponding to the material discharge opening of the tank body.

This scheme beneficial effect is, the internal portion of jar of desiccator adds establishes the inner bag body, and the inner bag body is installed in the inside of jar body through vertical vibrations spring, and under the effect of the shock dynamo assembled at the inner bag body, the inner bag body can be at the internal portion vibrations of jar to the material powder landing of the internal wall adhesion of lining is avoided producing the adhesive linkage including the internal wall of inner bag, guarantees equipment discharging efficiency, reduces the clean frequency of maintaining of equipment, guarantees production efficiency.

In the above aspect, preferably, the gas inlet introduces the gas in a tangential direction to an inner circumferential surface of the cylindrical portion.

In the above technical solution, preferably, the supporting portion is an annular plate body disposed outside the cylindrical portion, the supporting portion is an annular plate body disposed on an inner wall of the tank body, and four vertical vibrating springs are uniformly installed on an outer circumference of the inner container body.

In the above technical solution, it is preferable that the vibration motor comprises two vibration motors, and the two vibration motors are symmetrically fixed on the hanging portion.

In the above technical solution, preferably, the inner container body is provided with an electric heating tube which is located outside the inner wall of the inner container body and is attached to the inner wall of the inner container body.

In the above technical solution, preferably, the inner container body has an inner wall and an outer wall, a heat insulation cavity is formed between the inner wall and the outer wall, the electric heating tube is installed in the heat insulation cavity, and the electric heating tube spirally surrounds the outer side of the inner wall of the inner container body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a view from a-a of fig. 1.

In the figure, 1, a tank body; 1-1, hot air inlet; 1-2, a hot air outlet; 1-3, a material discharge port; 2. a centrifugal atomizer; 3. shutting off the fan; 4. an inner container body; 4-1, cylindrical part; 4-2, a conical cylinder part; 4-3, an air inlet; 4-4, air outlet; 4-5, a heat insulation cavity; 5. a first flexible sleeve; 6. a second flexible sleeve; 7. three flexible pipelines; 8. a support portion; 9. a hanging part; 10. a vertical shock spring; 11. vibrating a motor; 12. an electric heating tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

For solving a jar internal wall and producing the tie coat easily to influence the drawback of drying efficiency problem, the utility model particularly provides an upper portion installation centrifugal atomizer of jar body, this device can avoid the powder tie coat to appear in equipment, thereby guarantees the discharging efficiency and the machining efficiency of equipment. For further explanation of the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:

referring to fig. 1 and 2, a centrifugal spray dryer includes a tank 1. Specifically, the tank body 1 is a steel tank body, the upper part of the tank body is cylindrical, the lower part of the tank body is conical, and the upper end of the cylindrical shape is a circular end cover.

The centrifugal atomizer 2 is arranged at the upper part of the tank body 1. The centrifugal atomizer 2 is a conventionally known device that atomizes and centrifugally sprays the liquid material. The centrifugal atomizer 2 has a liquid inlet and a nozzle, the liquid inlet of the centrifugal atomizer 2 is located outside the tank 1, and the nozzle of the centrifugal atomizer 2 is located inside the tank 1. The liquid material to be dried can be input into the centrifugal atomizer 2 from the liquid input port thereof after being filtered. Specifically, an opening is processed at the center of a circular end cover of the tank body 1, and the centrifugal atomizer 2 is installed at the opening.

The upper part of the tank body 1 is provided with a hot air inlet 1-1, the lower part of the tank body 1 is provided with a hot air outlet 1-2, the lower end of the tank body 1 is provided with a material outlet 1-3, and a related fan 3 is arranged at the material outlet 1-3 of the tank body 1. Specifically, the hot air inlet 1-1 and the hot air outlet 1-2 are rectangular openings formed in the side portion of the cylindrical portion of the tank body 1, the material outlet 1-3 is an opening at the lower end of the conical barrel, the material outlet 1-3 of the tank body 1 is provided with a section of pipe body extending downwards, a wind-off machine 3 for preventing gas from passing through is mounted on the pipe body, and the wind-off machine 3 is used for dust discharging and is a conventional known device. In this embodiment, the air shutter 3 is of a YCD-HX type.

The inner container body 4 is arranged in the tank body 1. The inner container body 4 has a cylindrical portion 4-1 and a tapered cylindrical portion 4-2 located below the cylindrical portion 4-1. The lower end of the cone part 4-2 is provided with a discharge opening corresponding to the material discharge opening 1-3 of the tank body 1. The whole size of the inner container body 4 is smaller than that of the tank body 1, and a gap is formed between the inner container body 4 and the tank body 1. Specifically, the inner container body 4 is made of stainless steel with a smooth inner wall. The upper end of the cylindrical portion 4-1 is provided with an upper port corresponding to the nozzle of the centrifugal atomizer 2. The nozzle of the centrifugal atomizer 2 extends into the inner side of the inner container body 4 from the upper port. A first flexible pipe sleeve 5 sleeved on the periphery of the centrifugal atomizer 2 is arranged between the upper part of the inner container body 4 and the upper wall of the tank body 1. Specifically, the first flexible pipe sleeve 5 is made of a rubber sleeve, the upper end of the first flexible pipe sleeve is fixed on the inner wall of the circular end cover of the tank body 1 through screws, and the lower end of the first flexible pipe sleeve is fixed on the outer wall of the upper end of the inner container body 4 through screws. The first flexible pipe sleeve 5 is used for separating the space inside the inner container body 4 from the gap. The upper part of the cylindrical part 4-1 is provided with an air inlet 4-3, and the lower part of the cylindrical part 4-1 is provided with an air outlet 4-4. The air inlet 4-3 is communicated with the hot air inlet 1-1 through a second flexible pipe sleeve 6; the air outlet 4-4 is communicated with the hot air outlet 1-2 through a third flexible pipeline 7. The second flexible pipe sleeve 6 and the third flexible pipe 7 are also rubber sleeve bodies and are used for communicating the hot air inlet 1-1 with the air inlet 4-3 and communicating the hot air outlet 1-2 with the air outlet 4-4. In this embodiment, the gas inlet 4-3 introduces the gas in a tangential direction to the inner circumferential surface of the cylindrical portion 4-1. Hot air enters the equipment from the hot air inlet 1-1 and enters the inner container body 4 from the air inlet 4-3, and the hot air forms cyclone in the inner container body 4 so as to dry the liquid material sprayed into the inner container body 4 by the centrifugal atomizer 2.

The inner wall of the tank body 1 is provided with a supporting part 8, and the outer wall of the cylindrical part 4-1 is provided with a supporting and hanging part 9. A vertical vibration spring 10 is arranged between the hanging part 9 and the supporting part 8. Specifically, the supporting and hanging part 9 is an annular plate body arranged on the outer side of the cylindrical part 4-1, the outer wall of the cylindrical part 4-1 of the inner container body 4 is fixedly welded on the annular plate body, the outer diameter of the annular plate body is smaller than the diameter of the cylindrical inner side of the tank body 1, and a vibration space allowance is reserved for the inner container body 4. The support part 8 is an annular plate body arranged on the inner wall of the tank body 1. The inner wall of the cylinder of the tank body 1 is welded with the annular plate body, the diameter of the inner circumference of the annular plate body is larger than that of the outer wall of the cylinder part of the inner container body 4, and vibration space allowance is reserved for the inner container body 4. Four vertical vibrating springs 10 are uniformly arranged on the outer circumference of the inner container body 4. Specifically, four columnar bumps are uniformly welded on the circumference of the upper portion of the supporting portion 8, four columnar bumps are welded at corresponding positions of the supporting portion 9, the two corresponding bumps are respectively inserted into the upper end and the lower end of the vertical vibrating spring 10, and the end portion of the vertical vibrating spring is locked by a transverse screw screwed on the columnar bumps through threads, so that the vertical vibrating spring 10 is installed.

The inner container body 4 is fixed with a vibration motor 11. The vibration motor 11 is a conventionally known device, and a three-phase asynchronous vibration motor is selected in the present embodiment. Two vibration motors 11 are fixed on the upper part of the supporting and hanging part 9 by using bolts in a bilateral symmetry way. Under the effect of shock dynamo 11, the inner bag body 4 that is supported by vertical vibrations spring 10 can be at the internal portion shake of jar to prevent that the inner bag body 4 inner wall from forming the tie coat.

Furthermore, the inner container body 4 is provided with an inner wall and an outer wall, a heat insulation cavity 4-5 is formed between the inner wall and the outer wall, an electric heating tube 12 is arranged in the heat insulation cavity 4-5, and the electric heating tube 12 spirally surrounds the outer side of the inner wall of the inner container body 4. The electric heating tube 12 is attached to the outer side of the inner wall of the inner container body 4. The electric heating tube 12 can heat the inner wall of the inner container body 4, so that the moisture of the wet material layer adhered on the inner wall of the inner container body 4 is evaporated and dried, and the material layer can completely separate from the inner wall of the inner container body and slide downwards under the shaking action of the inner container body 4. Electrical heating tubes are conventional components in the known art. And a steel pipeline is welded between the inner wall and the outer wall to form an air inlet and an air outlet.

On the other hand, the existence of the heat insulation cavity 4-5 can further reduce the heat exchange between the inner side of the inner container body 4 and the outer side of the equipment, improve the heat energy utilization rate of the equipment and reduce the heat consumption.

It should be noted that, in this document, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centrifugal spray dryer, includes a jar body (1), centrifugal atomizer (2) is installed on the upper portion of jar body (1), centrifugal atomizer (2) have liquid input port and nozzle, the liquid input port of centrifugal atomizer (2) is located the outside of jar body (1), the nozzle of centrifugal atomizer (2) is located the inboard of jar body (1), the upper portion of jar body (1) is equipped with hot-blast import (1-1), the lower part of jar body (1) is equipped with hot-blast export (1-2), the lower extreme of jar body (1) has material discharge port (1-3), the material discharge port (1-3) department of jar body (1) installs relevant fan (3), its characterized in that: the inner container body (4) is arranged in the tank body (1), the inner container body (4) is provided with a cylindrical part (4-1) and a conical cylindrical part (4-2) positioned at the lower part of the cylindrical part (4-1), the upper end of the cylindrical part (4-1) is provided with an upper port corresponding to a nozzle of the centrifugal atomizer (2), the nozzle of the centrifugal atomizer (2) extends into the inner side of the inner container body (4) from the upper port, a first flexible pipe sleeve (5) sleeved on the periphery of the centrifugal atomizer (2) is arranged between the upper part of the inner container body (4) and the upper wall of the tank body (1), the upper part of the cylindrical part (4-1) is provided with an air inlet (4-3), the lower part of the cylindrical part (4-1) is provided with an air outlet (4-4), the air inlet (4-3) is communicated with the hot air inlet (1-1) through a second flexible pipe sleeve (6), gas outlet (4-4) with hot air outlet (1-2) is through third flexible pipeline (7) intercommunication, the inner wall of the jar body (1) is equipped with supporting part (8), the outer wall of cylindric portion (4-1) is equipped with props up string portion (9), prop up string portion (9) with install vertical vibrations spring (10) between supporting part (8), fixed shock dynamo (11) are gone up in inner bag body (4), the lower extreme of awl cylindric portion (4-2) be equipped with the bin outlet that material discharge port (1-3) of the jar body (1) correspond.

2. The centrifugal spray dryer of claim 1, wherein: the gas inlet (4-3) introduces gas in a direction tangential to the inner circumferential surface of the cylindrical portion (4-1).

3. The centrifugal spray dryer of claim 1, wherein: the supporting and hanging part (9) is an annular plate body arranged on the outer side of the cylindrical part (4-1), the supporting part (8) is an annular plate body arranged on the inner wall of the tank body (1), and four vertical vibrating springs (10) are uniformly distributed and installed on the outer side circumference of the inner container body (4).

4. A centrifugal spray dryer according to claim 3, wherein: the vibration motor suspension device is characterized by comprising two vibration motors (11), wherein the two vibration motors (11) are symmetrically fixed on the supporting and hanging part (9).

5. The centrifugal spray dryer of claim 1, wherein: the inner container body (4) is provided with an electric heating tube (12) which is positioned at the outer side of the inner wall of the inner container body (4) and is attached to the inner wall of the inner container body (4).

6. The centrifugal spray dryer of claim 5, wherein: the inner container body (4) is provided with an inner wall and an outer wall, a heat insulation cavity (4-5) is formed between the inner wall and the outer wall, the electric heating tube (12) is installed in the heat insulation cavity (4-5), and the electric heating tube (12) spirally surrounds the outer side of the inner wall of the inner container body (4).