CN220648946U - Rotary cage type dryer - Google Patents

Abstract

The utility model relates to a rotary cage type dryer which comprises a shell, a rotary cage device, a drying device, a cleaning device and a collecting device, wherein the shell comprises a plurality of protective shells, the rotary cage device comprises a plurality of drying rotary cages and a plurality of driving parts, the drying device comprises a plurality of drying fans, the cleaning device comprises a liquid inlet main pipe and a plurality of liquid inlet branch pipes, the first end of each liquid inlet branch pipe is communicated with the liquid inlet main pipe, and the second end of each liquid inlet branch pipe can extend into the corresponding protective shell. The collecting device comprises a plurality of collecting barrels and a cleaning liquid discharging main pipe, the upper end of each collecting barrel is communicated with the bottom of the corresponding protecting shell, and the lower end of each collecting barrel is connected with the cleaning liquid discharging main pipe through the corresponding discharging branch pipe. The rotary cage type dryer can realize continuous drying, and can be cleaned in situ without disassembling the rotary cage.

Description

Rotary cage type dryer

Technical Field

The utility model relates to the technical field of dryers, in particular to a rotary cage dryer.

Background

The existing dryer for foods, medicine dropping pills and soft capsules in the market is mainly a single-rotating-cage dryer, and is characterized by single-in and single-out, incapability of realizing automatic cleaning, complicated manual operation, large workload and low drying yield. And the factory needs a plurality of single-rotating-cage dryers to meet normal continuous production, the overall floor space is large, and the factory is a GMP workshop and has high running cost. With the development of the dripping pill process, the drying equipment of the dripping pill is also greatly improved, such as a continuous multi-rotating-cage dryer which is used at present. The continuous multi-rotating-cage dryer reduces manual operation of feeding and discharging, but cannot realize automatic cleaning, and all rotating cages are required to be disassembled for manual cleaning so as to ensure the quality of a dried product. Secondary pollution can also exist in the installation process of the equipment after manual cleaning.

Accordingly, the present inventors have developed a tumble dryer to overcome the shortcomings of the prior art by years of experience and practice in the relevant industry.

Disclosure of Invention

The utility model aims to provide a rotary cage type dryer which can realize continuous drying and can be cleaned in situ without disassembling a rotary cage.

The object of the utility model is achieved in that a tumble dryer comprises:

the shell comprises a plurality of protective shells which are sequentially connected along the material conveying direction;

the rotating cage device comprises a plurality of drying rotating cages and a plurality of driving parts, each drying rotating cage can be rotatably arranged in the corresponding protective shell, two adjacent drying rotating cages are communicated with each other, and each driving part is connected with the corresponding drying rotating cage and can drive the corresponding drying rotating cage to rotate;

a drying device comprising a plurality of drying blowers, each drying blower being operable to supply air to a corresponding drying rotor;

the cleaning device comprises a liquid inlet main pipe and a plurality of liquid inlet branch pipes, wherein the first end of each liquid inlet branch pipe is communicated with the liquid inlet main pipe, and the second end of each liquid inlet branch pipe can extend into the corresponding protective shell;

the collecting device comprises a plurality of collecting barrels and a cleaning liquid discharging main pipe, the upper end of each collecting barrel is communicated with the bottom of the corresponding protective shell, and the lower end of each collecting barrel is connected with the cleaning liquid discharging main pipe through the corresponding discharging branch pipe.

In a preferred embodiment of the utility model, drain valves are provided at the outlet end of the cleaning liquid drain manifold and at the cleaning liquid drain manifold between two adjacent drain branches.

In a preferred embodiment of the present utility model, at least one shower head is connected to the second end of each of the liquid inlet branches.

In a preferred embodiment of the utility model, an inlet valve is arranged on each liquid inlet branch pipe, and a distribution valve is arranged on the liquid inlet main pipe and positioned between two adjacent liquid inlet branch pipes.

In a preferred embodiment of the present utility model, the driving member is a rotating cage motor, and the driving member is disposed on the top outer wall of the corresponding protective shell.

In a preferred embodiment of the present utility model, the air outlet of the drying blower is connected to the side wall of the corresponding collecting cylinder, and the bottom plate corresponding to the air outlet of the drying blower is disposed obliquely downward along the air outlet direction.

In a preferred embodiment of the present utility model, an air outlet is formed in a side wall of each protection shell, and an openable viewing mirror is disposed at the air outlet.

In a preferred embodiment of the utility model, the two ends of the shell along the conveying direction are respectively provided with a material inlet and a material outlet, and a feeding device is arranged at the material inlet; the charging device comprises a charging fan, a charging pipe and a charging hopper, wherein the charging fan is arranged on the outer side wall of the corresponding protective shell, the first end of the charging pipe is connected with the air outlet of the charging fan, the second end of the charging pipe penetrates through the side wall of the corresponding protective shell and stretches into the corresponding drying rotating cage, and the bottom end of the charging hopper is connected with the charging pipe.

In a preferred embodiment of the utility model, the tumble dryer further comprises a controller electrically connected to the drive member, the drying fan, the drain valve, the inlet valve, the distribution valve and the feed fan.

In a preferred embodiment of the utility model, the inner wall of the drying rotating cage is provided with a plurality of guide blocks which are spirally arranged along the axial direction of the drying rotating cage, each guide block is a triangular prism with a right-angled triangle bottom surface, one bottom surface of the triangular prism is connected with the inner wall of the drying rotating cage, the side surface of the triangular prism is perpendicular to the inner wall of the drying rotating cage, and one side surface of the triangular prism is parallel to the axial direction of the drying rotating cage; the plurality of guide blocks are in central symmetry about the central point of the drying rotating cage, the interval between two adjacent guide blocks along the axial direction of the drying rotating cage is zero, and the interval between two adjacent guide blocks along the circumferential direction of the drying rotating cage is a preset value; the discharge gate of every drying rotating cage has all set firmly a play feed cylinder, and the inner wall of play feed cylinder is formed with spiral blown down tank, and play feed cylinder can insert and establish in the feed inlet of adjacent drying rotating cage or can wear out the material export.

By the rotary cage type dryer, the drying rotary cages are arranged in each independent protective shell, and the materials to be dried are poured into the first section of drying rotary cage, so that the materials can be continuously dried in each section of drying rotary cage. After the materials are dried, the cleaning of each section of drying rotating cage can be realized by utilizing the cooperation of the cleaning device and the collecting device under the condition that the drying rotating cage is not dismounted. The whole dryer can be continuously dried and cleaned in situ, the operation is simple, the workload is small, and the working efficiency is greatly improved.

Drawings

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model. Wherein:

fig. 1: a side view of the rotary cage dryer provided by the utility model.

Fig. 2: the utility model provides a top view of a rotary cage dryer.

Fig. 3: the utility model provides a partial enlarged view of a guide block in a drying rotating cage.

Fig. 4: the utility model provides a schematic diagram of a discharging barrel.

Reference numerals illustrate:

1. a protective shell; 11. an observation mirror;

2. drying the rotating cage; 21. a guide block; 22. a discharging cylinder; 23. a spiral discharge chute;

3. a rotating cage motor;

4. a drying fan;

5. a liquid inlet main pipe; 51. a dispensing valve; 511. a first dispensing valve; 512. a second distribution valve;

6. a liquid inlet branch pipe; 61. an inlet valve; 611. a first inlet valve; 612. a second inlet valve; 62. a spray header;

7. a collection cylinder; 71. a discharge branch pipe;

8. a cleaning liquid discharging main pipe; 81. a liquid discharge valve;

9. a charging device; 91. a charging fan; 92. a feeding tube; 93. and an addition funnel.

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present application provides a rotary basket dryer comprising:

the shell comprises a plurality of protective shells 1 which are sequentially connected along the material conveying direction;

the rotating cage device comprises a plurality of drying rotating cages 2 and a plurality of driving parts, wherein each drying rotating cage 2 is rotatably arranged in a corresponding protective shell 1, two adjacent drying rotating cages 2 are mutually communicated, and each driving part is connected with the corresponding drying rotating cage 2 and can drive the corresponding drying rotating cage 2 to rotate;

a drying device comprising a plurality of drying blowers 4, each drying blower 4 being operable to supply air to a corresponding drying rotor 2;

the cleaning device comprises a liquid inlet main pipe 5 and a plurality of liquid inlet branch pipes 6, wherein a first end of each liquid inlet branch pipe 6 is communicated with the liquid inlet main pipe 5, and a second end of each liquid inlet branch pipe can extend into the corresponding protective shell 1;

the collecting device comprises a plurality of collecting barrels 7 and a cleaning liquid discharging main pipe 8, wherein the upper end of each collecting barrel 7 is communicated with the bottom of the corresponding protecting shell 1, and the lower end of each collecting barrel 7 is connected with the cleaning liquid discharging main pipe 8 through the corresponding discharging branch pipe 71.

The number of the protecting shells 1 is the same as that of the drying rotating cages 2, the protecting shells 1 are mutually independent, the axial direction of each protecting shell 1 and the axial direction of the drying rotating cage 2 are parallel to the conveying direction of materials, the protecting shells 1 can be detachably fixed together, the space in each protecting shell 1 is mutually independent, no wind channeling occurs between the protecting shells, and the drying operation can be independently carried out. The cleaning component is arranged at the top of the shell, and the diameters of the pipelines of the liquid inlet main pipe 5, the liquid inlet branch pipe 6, the cleaning liquid outlet main pipe 8 and the outlet branch pipe 71 can be determined according to the situation; the number of the specific drying drums 2 depends on the drying requirements of different materials, for example, seven drying drums 2 are provided in the embodiment. And each drying rotating cage 2 is respectively marked as a first section of drying rotating cage to an N section of drying rotating cage along the material conveying direction, and N is the total number of the drying rotating cages 2.

When the device is used, materials are added into a first section of drying rotating cage for drying, a driving piece corresponding to the first section of drying rotating cage and a drying fan 4 are started, after the preset drying time, the materials are transferred into a next section of drying rotating cage 2 for drying, and the like, and after the materials are dried in the last section of drying rotating cage 2, discharging is realized. When the whole dryer is cleaned, cleaning liquid is conveyed into the liquid inlet main pipe 5, enters the corresponding protective shell 1 through the corresponding liquid inlet branch pipe 6, and is driven to rotate by the driving piece, so that the drying rotating cage 2 can be cleaned, and cleaning water is discharged through the collecting cylinder 7 at the bottom and the cleaning liquid discharging main pipe 8. After the cleaning is finished, the driving piece and the drying fan 4 are started, and the drying rotating cage 2 is dried.

From this, the rotary dryer in this application sets up dry rotary cage 2 through setting up a plurality of independent protective housing 1 and in every protective housing 1, pour the material that needs the drying into behind the first section dry rotary cage, the material alright be in each section dry rotary cage 2 continuous drying. After the materials are dried, the cleaning of each section of drying rotating cage 2 can be realized by utilizing the cooperation of the cleaning device and the collecting device under the condition that the drying rotating cage 2 is not dismounted. The whole dryer can be continuously dried and cleaned in situ, the operation is simple, the workload is small, and the working efficiency is greatly improved.

In a specific implementation, drain valves 81 are provided at the outlet end of the cleaning liquid drain header pipe 8 and at the cleaning liquid drain header pipe 8 between two adjacent drain branch pipes 71.

One end of the cleaning liquid discharging main pipe 8 is closed, and the other end is an outlet end of the cleaning liquid discharging main pipe, and the outlet end is an outlet of all cleaning liquid return channels of the drying rotating cage 2. When the whole dryer normally operates in a state of drying materials, each liquid discharge valve 81 is closed, so that the air quantity of the drying fan 4 is ensured not to be discharged from a bottom pipeline (namely the cleaning liquid discharging main pipe 8) to reduce the air pressure of the drying rotating cages 2, and the air channeling among the drying rotating cages 2 is prevented.

Typically, at least one shower head 62 is connected to the second end of each of the inlet legs 6. The cleaning solution can spray the drying rotating cage 2 in all directions through the spray headers 62, and the number of the specific spray headers 62 is determined according to the spraying requirement, for example, two spray headers 62 are connected to each of the discharge branch pipes 71 in the embodiment.

In an alternative embodiment, the drying cages 2 may be cleaned simultaneously, provided that a sufficient cleaning pressure can be ensured. After the cleaning liquid is conveyed into the liquid inlet main pipe 5, the cleaning operation is carried out on each drying rotating cage 2 through each liquid inlet branch pipe 6.

In a preferred embodiment, each section of drying rotor 2 is cleaned individually to better ensure cleaning flow and pressure. Specifically, each of the liquid inlet branch pipes 6 is provided with an inlet valve 61, and a distribution valve 51 is provided on the liquid inlet main pipe 5 and between two adjacent liquid inlet branch pipes 6.

The liquid inlet main pipe 5 is a cleaning liquid conveying pipeline and is used for conveying cleaning liquid to each drying rotating cage 2 for cleaning; each inlet valve 61 is a switch for cleaning liquid to enter each protective shell 1, and each distributing valve 51 is used for cleaning in cooperation with the cleaning liquid entering the corresponding drying rotating cage 2. For example, when seven drying cages 2 are provided in total as shown in fig. 1, the inlet valves 61 corresponding to the seven drying cages 2 are respectively designated as first to seventh inlet valves 611 to 51, and the six distribution valves 51 are respectively designated as first to sixth distribution valves 511 to 511. When cleaning, the first section of drying rotating cage is cleaned firstly, the first inlet valve 611 is opened, the first distributing valve 511 is closed, and the first section of drying rotating cage is cleaned; cleaning the second section of drying rotating cage, closing the first inlet valve 611, opening the second inlet valve 612 and the first distributing valve 511, closing the second distributing valve 512, and cleaning the second section of drying rotating cage 2; and so on.

Further, the driving piece is a rotating cage motor 3, and the driving piece is arranged on the top outer wall of the corresponding protective shell 1. The rotating cage motor 3 adopts variable frequency control to provide rotary power for the drying rotating cage 2. The rotating cage motors 3 are all arranged at the top of the protective shell 1, so that cleaning liquid can be prevented from entering the rotating cage motors 3 during cleaning operation, the rotating cage motors 3 can be better protected, and the safety and the service life of equipment are improved.

Further, the air outlet of the drying fan 4 is connected with the side wall of the corresponding collecting cylinder 7, and the bottom plate corresponding to the air outlet of the drying fan 4 is arranged obliquely downwards along the air outlet direction.

The drying fan 4 can provide flowing air quantity for the dried materials; the drying rotary cage 2 can be dried after the cleaning. The collecting cylinder 7 can collect cleaning fluid and guide the blower, and the air blown out from the air outlet of the drying blower 4 enters the protecting shell 1 upwards after being guided by the collecting cylinder 7 to blow the drying rotating cage 2. The drying fan 4 is arranged on the side part of the protective shell 1, the air outlet is opposite to the side part of the collecting cylinder 7, the blown air is guided to the drying rotating cage 2 after passing through the collecting cylinder 7, meanwhile, the air outlet of the drying fan 4 is a rectangular opening and is formed by enclosing a top plate, a bottom plate and two side plates, the bottom plate is obliquely downwards arranged, cleaning liquid can be effectively prevented from entering the air outlet when cleaning operation is carried out, and then the cleaning liquid can not enter a fan motor of the drying fan 4, so that the fan motor of the drying fan 4 can be better protected, and the safety and the service life of equipment are improved.

Referring to fig. 1, an air outlet is formed in a side wall of each protection shell 1, and an openable viewing mirror 11 is arranged at the air outlet.

The observation mirror 11 is transparent glass, so that the internal working condition can be conveniently observed. The view mirror 11 may be connected to the protective housing 1 in any manner, for example, in this embodiment the view mirror 11 is connected to the protective housing 1 by a latch. When the dryer normally operates to perform drying operation, the observation mirror 11 is opened so as to facilitate the discharge of water vapor in the drying rotating cage 2 through the air outlet and accelerate drying; when the cleaning operation is carried out, the observation mirror 11 is closed, so that the cleaning liquid is prevented from splashing; at this time, the state of the dryer can be observed by the observation mirror 11.

Further, two ends of the shell along the conveying direction are respectively provided with a material inlet and a material outlet, and a feeding device 9 is arranged at the material inlet; the feeding device 9 comprises a feeding fan 91, a feeding pipe 92 and a feeding funnel 93, wherein the feeding fan 91 is arranged on the outer side wall of the corresponding protective shell 1, the first end of the feeding pipe 92 is connected with an air outlet of the feeding fan 91, the second end of the feeding pipe 92 penetrates through the side wall of the corresponding protective shell 1 and stretches into the corresponding drying rotating cage 2, and the bottom end of the feeding funnel 93 is connected with the feeding pipe 92.

It can be understood that the material inlet is arranged on the end face of the protective shell 1 corresponding to the first section of drying rotating cage, and the material outlet is arranged on the end face of the protective shell 1 corresponding to the last section of drying rotating cage. The material to be dried can be blown into the first section of drying rotor through the feed hopper 93 via the feed pipe 92 by means of the feed fan 91 for drying. The material inlet is a channel for the dried material to leave the dryer.

The drying rotating cage 2 is of a cylindrical structure with two closed ends, and the side wall of the cylindrical structure is of a mesh structure. The pore diameter of the mesh structure is, for example, 1-2mm. The whole drying rotating cage 2 forms a net hole circular container, and the materials to be dried are dried in the drying rotating cage 2.

The protective shell 1 can protect the drying rotating cage 2, protect operators from mechanical injury, and guide air blown by the drying fan 4 to accelerate the drying of the materials by the drying rotating cage 2; isolating the cleaning liquid from the outside. The protective cases 1 of this embodiment employ a cylindrical mechanism, and a chassis is mounted at the bottom of each protective case 1 so as to be supported on the ground, and the above-described collecting cylinder 7 and cleaning liquid discharge manifold 8 are mounted in the chassis.

Further, in order to facilitate the material to enter the next drying rotating cage 2 automatically after the drying in the first drying rotating cage is completed, referring to fig. 3 and 4, the inner wall of the drying rotating cage 2 is provided with a plurality of guide blocks 21 spirally arranged along the axial direction of the drying rotating cage, each guide block 21 is a triangular prism with a right-angled triangle bottom surface, one bottom surface of the triangular prism is connected with the inner wall of the drying rotating cage 2, the side surface of the triangular prism is perpendicular to the inner wall of the drying rotating cage 2, and one side surface (namely, the side surface A in fig. 3) of the triangular prism is parallel to the axial direction of the drying rotating cage 2; the plurality of guide blocks 21 are centrosymmetric with respect to the center point of the drying rotating cage 2, the interval between two adjacent guide blocks 21 along the axial direction of the drying rotating cage 2 is zero, and the interval between two adjacent guide blocks 21 along the circumferential direction of the drying rotating cage 2 is a preset value. The discharge hole of each drying rotating cage 2 is fixedly provided with a discharge cylinder 22, the inner wall of the discharge cylinder 22 is provided with a spiral discharge groove 23, and the discharge cylinder 22 can be inserted into the feed hole of the adjacent drying rotating cage 2 or can penetrate out of the material outlet.

Referring to fig. 3, a side a of the triangular prism is perpendicular to an inner wall of the drying rotor 2 and parallel to an axial direction of the drying rotor 2, and a plurality of guide blocks 21 are spirally arranged from a first end of the drying rotor 2 to the other end of the drying rotor 2. The material in the drying rotating cage 2 can fall on the lower part of the drying rotating cage 2 under the action of gravity, and when the drying rotating cage 2 rotates, the triangular prism rotating to the bottom can push the material. When the drying rotating cage 2 is driven to rotate forward by the rotating cage motor 3, namely, rotates clockwise as shown in fig. 3, the material contacts with the side surface A of the triangular prism, so that the material only rolls in the drying rotating cage 2 and does not gather towards one end of the drying rotating cage 2; when the rotary cage motor 3 drives the drying rotary cage 2 to rotate reversely, namely, according to anticlockwise rotation as shown in fig. 3, the material is contacted with the inclined plane of the triangular prism, the material is pushed forward by the triangular prism, the material is sequentially pushed forward by a plurality of triangular prisms along the conveying direction, and then the material is gathered towards the discharge hole of the drying rotary cage 2, when the material is gathered to the discharge hole of the drying rotary cage 2, the material is conveyed forward into the next section of drying rotary cage 2 along the spiral discharge groove 23 because the spiral discharge groove 23 in the discharge cylinder 22 arranged at the discharge hole is also reversely rotated along with the drying rotary cage 2. Therefore, when the drying operation is performed, the drying rotating cage 2 rotates forward first, after the drying preset time, the drying rotating cage 2 rotates reversely, and the materials can be conveyed into the next rotating cage or conveyed to the material outlet for discharging by utilizing the guide block 21 in the drying rotating cage 2 and the spiral discharging groove 23 at the discharging hole.

Further, the whole dryer can further comprise a controller, and the controller is electrically connected with the rotating cage motor 3, the drying fan 4, the liquid discharging valve 81, the inlet valve 61, the distributing valve 51 and the charging fan 91, so that automatic control is realized, operation is more convenient, and continuous drying and on-site automatic cleaning are realized. The controller can be further provided with a start button, a stop button, an emergency stop button, an alarm button and the like, and corresponding rotating cage running programs and cleaning degrees can be set according to requirements.

More specifically, the specific use process of the transfer cage dryer in this embodiment is as follows:

during normal operation (drying operation): an operator firstly opens the lock catch of the observation mirror 11 to ensure that the air blast of the drying fan 4 is smooth; setting the program of the dryer to be automatic, starting a feeding device 9, a rotating cage motor 3 and a drying fan 4 corresponding to the first section of drying rotating cage, feeding dripping pills and soft capsules to be dried into the first section of drying rotating cage through the feeding device 9 for drying, and rotating the first section of drying rotating cage forward at the moment; after the set drying time is reached, the first section of drying rotating cage is reversed, and the materials are transferred into the next section of drying rotating cage 2 through a discharging cylinder 22 connected with the first section of drying rotating cage; and starting a rotating cage motor 3 and a drying fan 4 corresponding to the second section of drying rotating cage, and drying the materials in the second section of drying rotating cage. And the like, discharging the materials through a material outlet after the materials are dried in the last section of drying rotating cage 2. During normal operation of the dryer, the inlet valve 61 is fully closed and the drain valve 81 is also fully closed.

The cleaning operation is as follows: the operator firstly closes the lock catch of the observation mirror 11 to ensure that the cleaning liquid cannot leak out of the gap; entering a dryer cleaning interface, setting a dryer cleaning program to be automatic, and starting the program. All the drain valves 81 are all opened at this time; in order to ensure the cleaning flow and pressure, the automatic program performs separate cleaning on each section of drying rotating cage 2, for example, when cleaning the first section of drying rotating cage, the first inlet valve 611 corresponding to the drying rotating cage 2 is opened, the first distributing valve 511 is closed, the first section of drying rotating cage is cleaned, and the rotating cage motor 3 corresponding to the first section of drying rotating cage is started, so that the first section of drying rotating cage is slowly rotated, and each angle of the drying rotating cage 2 is ensured to be washed by the spray ball. When the second section of drying rotating cage is cleaned, the first inlet valve 611 is closed, the second inlet valve 612 is opened, the first distributing valve 511 is opened, the second distributing valve 512 is closed, and the second section of drying rotating cage is cleaned; and so on to clean all drying cages 2. Each section of drying rotating cage 2 is intermittently cleaned, and after the final water flushing is finished, all inlet valves 61 are all closed, all rotating cage fans and drying fans 4 are started, and the drying rotating cage 2 is dried.

In summary, the rotary cage dryer in the embodiment can be applied to the deoiling drying treatment of medicines, foods and tobacco dripping pills, and all parts of the dryer meet the food-grade requirement. Through setting up multisection drying rotating cage 2, operating personnel pours the material that needs the drying into first section drying rotating cage through feeding device 9, and according to the procedure of setting for, the material can dry in each section rotating cage, and then the material can get into automatically in the next section drying rotating cage 2 and dry when reaching the drying time of setting for, can be automatic by the ejection of compact of last section drying rotating cage 2 after the material reaches last section rotating cage and operating time finishes, accomplish the drying of material. After the production is finished, the observation mirror 11 is closed, the cleaning procedure is started, the automatic cleaning of each section of drying rotating cage 2 can be completed, the drying fan 4 is started after the cleaning is finished, and the whole dryer is dried for standby. The whole dryer fully considers the convenience of operation, the safety of food and medicines and the safety of operators, the operators only need to pour the materials into the feeding device 9, and the dried materials are discharged from a final material outlet after the drying time is reached, so that the materials are continuously dried in each drying rotating cage 2; meanwhile, under the condition that the drying rotating cage 2 is not dismounted, the automatic cleaning of the whole multi-section drying rotating cage 2 can be completed, and the drying rotating cage is more convenient.

The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.

Claims (10)

1. A tumble dryer, characterized by comprising:

the shell comprises a plurality of protective shells which are sequentially connected along the material conveying direction;

the rotating cage device comprises a plurality of drying rotating cages and a plurality of driving parts, each drying rotating cage can be rotatably arranged in the corresponding protective shell, two adjacent drying rotating cages are communicated with each other, and each driving part is connected with the corresponding drying rotating cage and can drive the corresponding drying rotating cage to rotate;

a drying apparatus comprising a plurality of drying blowers, each of the drying blowers being operable to supply air to a corresponding drying rotor;

the cleaning device comprises a liquid inlet main pipe and a plurality of liquid inlet branch pipes, a first end of each liquid inlet branch pipe is communicated with the liquid inlet main pipe, and a second end of each liquid inlet branch pipe can extend into the corresponding protective shell;

the collecting device comprises a plurality of collecting barrels and a cleaning liquid discharging main pipe, the upper end of each collecting barrel is communicated with the bottom of the corresponding protecting shell, and the lower end of each collecting barrel is connected with the cleaning liquid discharging main pipe through the corresponding discharging branch pipe.

2. A tumble dryer as set forth in claim 1 wherein,

and liquid discharge valves are arranged at the outlet end of the cleaning liquid discharge main pipe and on the cleaning liquid discharge main pipe and between two adjacent discharge branch pipes.

3. A tumble dryer as set forth in claim 1 wherein,

and the second end of each liquid inlet branch pipe is connected with at least one spray header.

4. A tumble dryer as set forth in claim 2 wherein,

and each liquid inlet branch pipe is provided with an inlet valve, and a distribution valve is arranged on the liquid inlet main pipe and between two adjacent liquid inlet branch pipes.

5. A tumble dryer as set forth in claim 1 wherein,

the driving piece is a rotating cage motor, and the driving piece is arranged on the corresponding top outer wall of the protective shell.

6. A tumble dryer as set forth in claim 1 wherein,

the air outlet of the drying fan is connected with the corresponding side wall of the collecting cylinder, and the bottom plate corresponding to the air outlet of the drying fan is obliquely downwards arranged along the air outlet direction.

7. A tumble dryer as set forth in claim 1 wherein,

an air outlet is formed in the side wall of each protective shell, and an openable observation mirror is arranged at the air outlet.

8. The tumble dryer as set forth in claim 4 wherein,

the two ends of the shell along the conveying direction are respectively provided with a material inlet and a material outlet, and a feeding device is arranged at the material inlet;

the charging device comprises a charging fan, a charging pipe and a charging hopper, wherein the charging fan is arranged on the corresponding outer side wall of the protective shell, the first end of the charging pipe is connected with an air outlet of the charging fan, the second end of the charging pipe penetrates through the corresponding side wall of the protective shell and stretches into the corresponding drying rotating cage, and the bottom end of the charging hopper is connected with the charging pipe.

9. A tumble dryer as set forth in claim 8 wherein,

the rotary cage dryer further comprises a controller, wherein the controller is electrically connected with the driving piece, the drying fan, the liquid discharging valve, the inlet valve, the distributing valve and the charging fan.

10. A tumble dryer as set forth in claim 1 wherein,

the inner wall of the drying rotating cage is provided with a plurality of guide blocks which are spirally arranged along the axial direction of the drying rotating cage, each guide block is a triangular prism with a right-angled triangle bottom surface, one bottom surface of the triangular prism is connected with the inner wall of the drying rotating cage, the side surface of the triangular prism is perpendicular to the inner wall of the drying rotating cage, and one side surface of the triangular prism is parallel to the axial direction of the drying rotating cage; the guide blocks are in central symmetry with respect to the central point of the drying rotating cage, the interval between two adjacent guide blocks along the axial direction of the drying rotating cage is zero, and the interval between two adjacent guide blocks along the circumferential direction of the drying rotating cage is a preset value;

every the discharge gate of dry rotating cage has all set firmly a play feed cylinder, the inner wall of play feed cylinder is formed with spiral blown down tank, play feed cylinder can insert and establish adjacent in the feed inlet of dry rotating cage or can wear out the material export.