CN218955357U

CN218955357U - Vacuum rotary dryer with uniform heating

Info

Publication number: CN218955357U
Application number: CN202223324427.6U
Authority: CN
Inventors: 夏西蒙
Original assignee: Hefei Limin Pharmaceutical Co ltd
Current assignee: Hefei Limin Pharmaceutical Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-02
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a vacuum rotary dryer which is heated uniformly, comprising a tank body with conical two ends, wherein an interlayer is arranged in the side wall of the tank body, a material port is arranged at one conical end of the tank body, supporting frames are symmetrically arranged at two sides of the tank body, hollow rotating shafts are horizontally arranged in the supporting frames in a rotating manner, and the hollow rotating shafts are all inserted at two sides of the tank body in a penetrating manner, and a driving mechanism is connected to one hollow rotating shaft; the hollow rotating shafts on the two sides are respectively provided with a vacuum pipe and a steam pipe in a rotating way, the outer sides of the vacuum pipes are connected with a vacuum pump, the outer sides of the steam pipes are connected to a steam supply device, the inner sides of the vacuum pipes extend to the inner cavity of the tank body and are provided with filter sleeves, and the vacuum pipes are also provided with sensor assemblies. The stirring rod and the stirring shovel are matched, so that the stirring effect of the materials is effectively improved, heat accumulation caused by uneven stirring at the bottom of the materials is avoided, the heated uniformity of the materials during drying is effectively ensured, and the drying effect of the materials is ensured.

Description

Vacuum rotary dryer with uniform heating

Technical Field

The utility model relates to the technical field of dryer equipment, in particular to a vacuum rotary dryer with uniform heating.

Background

When the vacuum rotary dryer is used for drying, the vacuum state is kept in the dryer, the dryer is heated, the material is subjected to inward heat radiation water evaporation, the evaporated water vapor is discharged through the vacuum tube, and the vacuum rotary dryer is required to be used for drying and mixing medicine raw materials in the medicine processing process.

The existing vacuum rotary dryer utilizes the rotation of the dryer to turn materials, the turning effect of the materials is general, the condition that heat aggregation is easy to generate to cause uneven heating occurs, and the drying effect and the drying quality of the materials are affected.

Disclosure of Invention

The utility model aims to solve the defects that the stirring effect of materials is common, the heating non-uniformity is caused by heat aggregation easily generated and the drying effect and the drying quality of the materials are affected in the prior art, and provides a vacuum rotary dryer with uniform heating.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a vacuum rotary dryer that is heated evenly, is the conical jar body including both ends, be equipped with the intermediate layer in the jar body lateral wall, jar body conical one end is equipped with the material mouth, jar body both sides equal symmetry is equipped with the support frame, and equal horizontal rotation is equipped with hollow pivot in the support frame, and hollow pivot all link up and insert to establish in jar body both sides, is connected with actuating mechanism in one of them hollow pivot.

The hollow rotating shafts on the two sides are respectively provided with a vacuum pipe and a steam pipe in a rotating way, the outer sides of the vacuum pipes are connected with a vacuum pump, the outer sides of the steam pipes are connected to a steam supply device, the inner sides of the vacuum pipes extend to the inner cavity of the tank body and are provided with filter sleeves, and the vacuum pipes are also provided with sensor assemblies.

The inner side of the steam pipe is connected with the interlayer in a penetrating way, the outer side of the steam pipe is fixedly provided with a rotary sealing ring connected with the tank body, and a plurality of rotary sealing rings are arranged between the vacuum pipe and the inner wall of the steam pipe and between the vacuum pipe and the inner wall of the hollow rotating shaft.

The stirring device is characterized in that a plurality of turning shovel are arranged on conical inner walls on two sides of the tank body, and stirring rods matched with the inner walls of the tank body are fixedly arranged in the inner cavity of the tank body.

Preferably, the height of the cone shape at two sides of the tank body is matched with the diameter size of the tank body.

Preferably, the outside of the tank body is wrapped with an insulating layer.

Preferably, a cleaning port is formed at the other end of the tank body corresponding to the material port, and a liquid inlet is formed in the cleaning port in a penetrating and inserting manner.

Preferably, a slewing bearing is connected between the two hollow rotating shafts and the supporting frame.

Preferably, the driving mechanism comprises a driven belt wheel fixedly sleeved on one of the hollow rotating shafts, a driving belt wheel is rotatably mounted in the corresponding supporting frame, a synchronous belt is connected between the driven belt wheel and the driving belt wheel, the driving belt wheel is fixedly connected to the output end of the speed reducer, the input end of the speed reducer is connected with a motor, and the motor is horizontally mounted on the side wall of the supporting frame.

Preferably, the sensor assembly comprises a vacuum gauge and a temperature sensor mounted on a vacuum tube.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the design that the conical shapes at the two sides of the tank body are matched with the diameter of the tank body, the stirring rod is matched to turn the material, so that the turning effect of the material can be effectively improved, and the uniform heating of the material is further ensured;

2. according to the utility model, through the design of the material turning shovel, the problem of heat accumulation caused by poor material bottom turning effect is avoided, the material turning effect on the material is ensured, the material is further uniformly heated, and the drying effect of the material is ensured.

The stirring rod and the stirring shovel are matched, so that the stirring effect of the materials is effectively improved, heat accumulation caused by uneven stirring at the bottom of the materials is avoided, the heated uniformity of the materials during drying is effectively ensured, and the drying effect of the materials is ensured.

Drawings

FIG. 1 is a schematic view of an external structure according to the present utility model;

FIG. 2 is a schematic diagram of an internal structure according to the present utility model;

fig. 3 is a schematic cross-sectional view of the present utility model.

In the figure: tank 1, interlayer 101, heat preservation 102, material mouth 103, washing mouth 104, liquid inlet 105, support frame 2, hollow pivot 3, slewing bearing 31, actuating mechanism 4, driven pulley 41, hold-in range 42, driving pulley 43, speed reducer 44, motor 45, vacuum tube 5, filter jacket 6, sensor module 7, vacuum gauge 71, temperature sensor 72, steam pipe 8, rotary seal ring 81, rotary seal ring 9, turning shovel 10, puddler 11.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-3, a vacuum rotary dryer even to be heated, is conical jar body 1 including both ends, be equipped with intermediate layer 101 in the jar body 1 lateral wall, jar body 1 conical one end is equipped with material mouth 103, and the business turn over material of convenient material, jar body 1 both sides all symmetry is equipped with support frame 2, and the equal horizontal rotation of support frame 2 is equipped with hollow pivot 3, and hollow pivot 3 all link up and insert and establish in jar body 1 both sides, is connected with actuating mechanism 4 on one of them hollow pivot 3, drives jar body 1 rotation through actuating mechanism 4 cooperation hollow pivot 3, conveniently carries out vacuum drying and compounding to the material.

The hollow rotating shafts 3 on two sides are respectively provided with a vacuum tube 5 and a steam tube 8 in a rotating mode, the outer sides of the vacuum tubes 5 are connected with a vacuum pump, the outer sides of the steam tubes 8 are connected to a steam supply device, the inner sides of the vacuum tubes 5 extend to the inner cavity of the tank body 1 and are provided with a filtering sleeve 6, the vacuum tubes 5 are also provided with a sensor assembly 7, when materials are dried, the tank body 1 is vacuumized through the vacuum pump matched with the vacuum tubes 5, after vacuumization is completed, steam at 100-150 ℃ is introduced into the tank body 1 through the steam tubes 8, the materials are heated and dried, meanwhile, the tank body 1 rotates to turn the materials, and the drying effect of the materials is improved.

The steam pipe 8 is inboard and intermediate layer 101 link up and be connected, and the fixed rotary seal ring 81 that is connected with jar body 1 that is equipped with in the steam pipe 8 outside, send into steam in the intermediate layer 101 to jar body 1 inner chamber to the cooperation steam pipe 8 and heat, all be equipped with a plurality of rotary seal rings 9 between the inner wall of drying vacuum tube 5 and steam pipe 8 and hollow pivot 3 to the material, cooperation rotary seal ring 9 guarantees jar body 1 evacuation's sealed effect, guarantees the drying efficiency of material.

The stirring rod stirring device is characterized in that a plurality of stirring spades 10 are arranged on conical inner walls on two sides of the tank body 1, stirring rods 11 matched with the inner walls of the tank body 1 are fixedly arranged in the inner cavity of the tank body 1, so that the stirring effect on materials is improved, the stirring effect on the materials is further improved, and the heated uniformity of the materials is improved.

When using this vacuum rotary dryer, send into jar body 1 with the material through material mouth 103 in, close material mouth 103, start the vacuum pump and carry out the evacuation to jar body 1, the evacuation is accomplished the back and is gone into steam in to intermediate layer 101 and heat, steam condensate water is by equipment bottom pipeline discharge, start actuating mechanism 4 drive jar body 1 and rotate, turn the material, guarantee the even contact of material surface and high temperature steam, guarantee the even being heated of material, the evaporation of water in material top layer and the hole is and is discharged through vacuum tube 5, guarantee the drying effect to the material.

In this embodiment, as shown in fig. 1-3, the conical heights at two sides of the tank body 1 are matched with the diameter size of the tank body 1, so as to ensure the stirring and stirring effects of the stirring rod 11 on the materials and ensure the uniform heating of the materials.

In this embodiment, as shown in fig. 1-3, the heat insulation layer 102 wraps the outer side of the tank body 1, so as to improve the heating effect of steam and ensure the thermal efficiency of the vacuum rotary dryer.

In this embodiment, as shown in fig. 1-3, the other end of the tank 1 corresponding to the material port 103 is provided with a cleaning port 104, a liquid inlet 105 is inserted through the cleaning port 104, and cleaning liquid is sent into the inner wall of the tank 1 through the liquid inlet 105 to clean the inner wall of the tank 1, thereby ensuring the cleaning of the tank 1.

In this embodiment, as shown in fig. 3, a slewing bearing 31 is connected between the two hollow rotating shafts 3 and the supporting frame 2, so as to ensure the stability of the rotation of the tank 1 and improve the weighing capacity of the vacuum rotary dryer.

In this embodiment, as shown in fig. 3, the driving mechanism 4 includes a driven pulley 41 fixedly sleeved on one of the hollow rotating shafts 3, a driving pulley 43 is rotatably installed on the corresponding support frame 2, a synchronous belt 42 is connected between the driven pulley 41 and the driving pulley 43, the driving pulley 43 is fixedly connected to an output end of a speed reducer 44, an input end of the speed reducer 44 is connected with a motor 45, the motor 45 is horizontally installed on a side wall of the support frame 2, torque output by the motor 45 is increased through the speed reducer 44, and the hollow rotating shaft 3 is matched to drive the tank 1 to rotate, so that stability of rotation of the tank 1 is improved.

In this embodiment, as shown in fig. 3, the sensor assembly 7 includes a vacuum gauge 71 and a temperature sensor 72 mounted on the vacuum tube 5, and detects the vacuum degree of the tank 1 and the temperature during drying, and adjusts the steam inlet amount and the steam inlet temperature in time, so as to ensure the stability of drying the material.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a vacuum rotary dryer even by heat, includes that both ends are conical jar body (1), its characterized in that, be equipped with intermediate layer (101) in jar body (1) lateral wall, jar body (1) conical one end is equipped with material mouth (103), jar body (1) both sides all symmetry are equipped with support frame (2), and the equal horizontal rotation in support frame (2) is equipped with hollow pivot (3), and hollow pivot (3) all link up and insert and establish in jar body (1) both sides, are connected with actuating mechanism (4) on one of them hollow pivot (3);

the hollow rotating shafts (3) on two sides are respectively provided with a vacuum tube (5) and a steam tube (8) in a rotating way, the outer sides of the vacuum tubes (5) are connected with a vacuum pump, the outer sides of the steam tubes (8) are connected to a steam supply device, the inner sides of the vacuum tubes (5) extend to the inner cavity of the tank body (1) and are provided with a filtering sleeve (6), and the vacuum tubes (5) are also provided with a sensor assembly (7);

the inner side of the steam pipe (8) is in through connection with the interlayer (101), a rotary sealing ring (81) connected with the tank body (1) is fixedly arranged on the outer side of the steam pipe (8), and a plurality of rotary sealing rings (9) are arranged between the vacuum pipe (5) and the inner wall of the steam pipe (8) and the inner wall of the hollow rotating shaft (3);

a plurality of stirring spades (10) are arranged on the conical inner walls at two sides of the tank body (1), and stirring rods (11) matched with the inner walls of the tank body (1) are also fixedly arranged in the inner cavity of the tank body (1).

2. A heated uniformity vacuum rotary dryer according to claim 1, characterized in that the height of the cone on both sides of the tank (1) is matched to the diameter of the tank (1).

3. A uniformly heated vacuum rotary dryer according to claim 1, wherein the outside of the tank (1) is wrapped with an insulating layer (102).

4. The vacuum rotary dryer with uniform heating according to claim 1, wherein a cleaning opening (104) is formed at the other end of the tank body (1) corresponding to the material opening (103), and a liquid inlet (105) is formed on the cleaning opening (104) in a penetrating manner.

5. A heated uniform vacuum rotary dryer according to claim 1, characterized in that a slewing bearing (31) is connected between both hollow shafts (3) and the support frame (2).

6. The vacuum rotary dryer with uniform heating according to claim 1, wherein the driving mechanism (4) comprises a driven belt wheel (41) fixedly sleeved on one of the hollow rotating shafts (3), a driving belt wheel (43) is rotatably installed on the corresponding supporting frame (2), a synchronous belt (42) is connected between the driven belt wheel (41) and the driving belt wheel (43), the driving belt wheel (43) is fixedly connected to the output end of a speed reducer (44), the input end of the speed reducer (44) is connected with a motor (45), and the motor (45) is horizontally installed on the side wall of the supporting frame (2).

7. A heated uniform vacuum rotary dryer according to claim 1, characterized in that the sensor assembly (7) comprises a vacuum gauge (71) and a temperature sensor (72) mounted on a vacuum tube (5).