CN116392830B

CN116392830B - Drying equipment

Info

Publication number: CN116392830B
Application number: CN202310379706.2A
Authority: CN
Inventors: 范琪; 王成轩
Original assignee: Changzhou Fanqun Drying Equipment Co ltd
Current assignee: Changzhou Fanqun Drying Equipment Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2024-01-05
Anticipated expiration: 2043-04-11
Also published as: CN116392830A

Abstract

The application discloses drying equipment belongs to drum drying equipment technical field. The device mainly comprises a base, a roller assembly bearing, a driving assembly, an immersion liquid box, a material pressing assembly and a material spraying assembly, wherein the base is used for supporting, the roller assembly is arranged on the base, the roller assembly is arranged in the hollow cavity, the driving assembly is used for driving the roller assembly to rotate, the immersion liquid box is arranged below the roller assembly and used for placing material liquid to be dried, the material pressing assembly is located at the initial position of drying of the material liquid and used for flattening the material liquid adhered on the roller assembly, the material spraying assembly is used for spraying the material liquid on the roller assembly, when the viscosity of the material liquid is high, the roller assembly is used for immersing the material in the immersion liquid box, and when the viscosity of the material liquid is low, the material spraying assembly is used for spraying the material liquid on the surface of the roller assembly. The utility model provides a drying equipment has solved when waiting that dry material liquid stickness is weaker, traditional submergence formula material loading inefficiency's problem.

Description

Drying equipment

Technical Field

The application relates to the technical field of roller drying equipment, in particular to drying equipment.

Background

The roller scraper dryer is a drying device which distributes viscous material liquid to be dried on the surface of a rotary roller heated by steam, the moisture of the material liquid to be dried is evaporated after the material liquid contacts with the surface of the hot roller, and then the material liquid is scraped by a scraper and crushed into a product;

when the roller scraper dryer works, a rotating roller is adhered with a thick material film through a lower trough, heat is conveyed to the inner wall of the roller through a pipeline and then is conveyed to the outer wall of the roller, and further the material film is conveyed, so that moisture in the material film is evaporated and dehumidified, the material is dried, the dried material is shoveled away from the roller by a scraper arranged on the surface of the roller, falls into a discharge hole, and is concentrated and packaged;

the utility model patent with publication number CN 207351176U specifically discloses a roller scraper dryer, which comprises a frame, a roller, a heating device, a driving device, a scraper mechanism and a receiving device, wherein a trough is arranged below the roller, and through the arrangement, the drying work of a material liquid to be dried can be realized;

in the above-mentioned patent publication, the submerged feeding of the material liquid to be dried can be performed only in the lower tank by the rotating drum, and when the viscosity of the material liquid to be dried is weak, the film adhered to the submerged drum is thin, which clearly greatly reduces the drying efficiency, so that it is necessary to provide a drying apparatus to solve the above-mentioned problems.

It should be noted that the above information disclosed in this background section is only for understanding the background of the present application concept and, therefore, it may contain information that does not constitute prior art.

Disclosure of Invention

Based on the above-mentioned problems existing in the prior art, an object of an embodiment of the present application is to: the drying equipment solves the problem of low efficiency of traditional immersed feeding when the viscosity of the material liquid to be dried is weak.

The technical scheme adopted for solving the technical problems is as follows: a drying apparatus comprising a base for supporting; the roller assembly is arranged on the base, and the interior of the roller assembly is provided with a cavity and is used for introducing hot steam so as to enable the outer surface of the roller assembly to have a drying temperature; a driving assembly for driving the drum assembly to rotate; the immersion liquid box is arranged below the roller assembly and is used for placing feed liquid to be dried; the material pressing assembly is positioned at the initial position of material liquid drying and is used for flattening the material liquid adhered on the roller assembly; the spraying assembly is used for spraying feed liquid on the roller assembly; when the viscosity of the feed liquid is high, the mode that the roller assembly is immersed in the immersion liquid box is adopted for feeding, and when the viscosity of the feed liquid is low, the mode that the spray assembly sprays the feed liquid on the surface of the roller assembly is adopted for feeding.

Further, the roller assembly comprises a cylinder head part positioned at two ends and a cylinder body positioned at the middle position, and a cylinder neck part is arranged between the cylinder head part and the cylinder body; the driving assembly comprises a servo motor fixed on the base, a first gear is installed at the output end of the servo motor, a second gear is sleeved on the outer ring of the cylinder head at one end of the servo motor, and the first gear is meshed with the second gear.

Further, a scraper is arranged at the position, opposite to the cylinder body, on the roller assembly, and is arranged at the tail end of the rotary drying of the feed liquid and used for scraping the feed liquid dried by the cylinder body into a collecting box.

Further, the material pressing assembly comprises material pressing seats which are respectively and slidably arranged at the necks of the two cylinders, mounting frames which are convenient for height adjustment are arranged on the two material pressing seats, two waist grooves are arranged at the lower ends of the mounting frames, and connecting rods are arranged at the positions of the two corresponding waist grooves; connecting seats are sleeved at two ends of the connecting rod, bearing holes are formed in the connecting seats, and material pressing rods are arranged in the bearing holes; and a third gear is fixed on one side of the material pressing rod, which is close to the second gear, and the third gear is meshed with the second gear.

Further, the lower end of the mounting frame is provided with an extending end, two groups of barrier strips are sleeved on the extending end, a threaded part is arranged on one side, away from the extending end, of each barrier strip, a butterfly bolt is connected to the threaded part in a threaded mode, and the upper end of the butterfly bolt penetrates into the waist groove from the bottom of the mounting frame; the two baffle strips are arranged along the upper and lower positions of the extending end.

Further, the spraying assembly comprises an end pipe which is in threaded installation with the mounting frame, a joint pipe is installed on the end pipe, and a main pipe is in threaded connection between the two joint pipes; a plurality of groups of spray heads are arranged on the main body pipe at positions corresponding to the roller assemblies; the two end pipes are respectively provided with a liquid pipe joint, the liquid pipe joints are communicated with an external liquid tank, and a pump body is arranged on a pipeline communicated with the liquid pipe joints and the liquid tank.

Furthermore, the main body pipe is arranged in a whole way, or is formed by splicing a plurality of sections of main body pipes and joint pipes.

Further, two end pipes are provided with air pipe joints, and the air pipe joints are used for accessing hot steam.

Further, an air inlet and an air outlet are arranged at the rotating shaft center positions of the cylinder heads at the two ends, the air inlet and the air outlet are communicated with the internal cavity of the roller assembly, and the air inlet is communicated with a steam source; the position of the air inlet and the position of the air outlet are both communicated with a rotary joint, the rotary joint comprises a rotary part connected with the air inlet and the air outlet and a fixed part communicated with a steam source or the outside, and the rotary part is rotationally connected with the fixed part.

Further, a third scale is arranged on the extending end.

The beneficial effects of this application are: the utility model provides a pair of drying equipment, through being provided with roller assembly and spraying the subassembly, can be when the feed liquid viscidity is high, adopt roller assembly submergence mode material loading in the immersion liquid box to and when the feed liquid viscidity is low, adopt spraying the mode material loading that the subassembly sprayed the feed liquid on roller assembly surface, thereby solved when waiting that the dry material liquid viscidity is weaker, traditional submergence formula material loading inefficiency's problem.

In addition to the objects, features, and advantages described above, there are other objects, features, and advantages of the present application. The present application will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.

In the drawings:

FIG. 1 is an overall schematic diagram of a drying apparatus of the present application;

FIG. 2 is a schematic view of the rear of the drying apparatus of FIG. 1;

FIG. 3 is a schematic view of the partial structure at A in FIG. 1;

FIG. 4 is a schematic view of the partial structure at B in FIG. 3;

FIG. 5 is a schematic view of a mounting structure of the pressing seat in FIG. 3;

FIG. 6 is a schematic diagram illustrating the overall installation of the pressing seat in FIG. 3;

FIG. 7 is a schematic diagram of the explosive structure of the press set and spray assembly;

FIG. 8 is a schematic view of the partial structure at C in FIG. 7;

FIG. 9 is a schematic view of the partial structure of the portion D in FIG. 7;

FIG. 10 is a schematic rear view of the nip assembly of FIG. 7;

FIG. 11 is a schematic view of the partial structure at E in FIG. 10;

wherein, each reference sign in the figure:

1. a support assembly; 11. a base; 12. a dip box; 13. a solution tank; 14. a bearing seat; 15. a scraper; 16. a pump body; 17. a liquid pump; 18. a first pipeline; 19. a second pipeline; 110. a third pipeline;

2. a roller assembly; 21. a cylinder; 22. a cartridge head; 221. a second gear; 23. a cartridge neck; 231. a chute; 232. a first scale; 24. an air inlet;

3. a rotary joint; 31. a rotating part; 32. a fixing part;

4. a drive assembly; 41. a servo motor; 42. a first gear; 43. a support wheel;

5. a pressing assembly; 51. a pressing rod; 52. a third gear; 53. a material pressing seat; 531. a slide block; 532. a screw; 54. a connecting seat; 541. a bearing hole; 542. rectangular grooves; 55. a compression bolt; 56. an indication rod; 57. a connecting rod; 571. fang Shen; 572. a thread; 58. a mounting frame; 581. waist grooves; 582. a mounting hole; 59. a spring; 510. a square sleeve; 511. a butterfly bolt; 512. a barrier strip; 513. an extension end;

6. a spray assembly; 61. a main body tube; 611. a spray head; 62. an end tube; 621. a liquid pipe joint; 622. an air pipe joint; 63. and (5) jointing the pipes.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

Embodiment one:

the embodiment specifically illustrates a specific structure and working principle of an immersed working state of the drying equipment:

as shown in fig. 1-2, the present embodiment provides a drying apparatus, which comprises a support assembly 1, wherein the support assembly 1 comprises a base 11 and a bearing seat 14 arranged at one end of the base 11, a roller assembly 2 is installed in the bearing seat 14, and the roller assembly 2 is used for drying feed liquid;

the drum assembly 2 comprises drum heads 22 at two ends and a drum body 21 at a middle position, a drum neck 23 for connection is arranged between the drum heads 22 at two ends and the drum body 21 in the middle, the drum head 22 at one end is arranged with the bearing seat 14, the drum head 22 at the other end is suspended on the base 11, meanwhile, the drum body 21 is a main body for drying materials of the drum assembly 2, a cavity penetrating the drum heads 22 and the drum body 21 is arranged in the drum assembly 2, and the cavity is used for introducing hot steam to enable the outer surface of the drum assembly 2 to have high temperature and dry the feed liquid;

as shown in fig. 3, a driving assembly 4 is disposed on the base 11, the driving assembly 4 is used for driving the roller assembly 2 to rotate, the driving assembly 4 comprises a servo motor 41 fixed on the base 11, a first gear 42 is fixedly mounted at the output end of the servo motor 41, a second gear 221 is sleeved on the outer ring of the suspended end cylinder head 22, and the first gear 42 and the second gear 221 are meshed, so that the roller assembly 2 can rotate in the bearing seat 14 through the meshing of the first gear 42 and the second gear 221 under the driving of the servo motor 41;

a plurality of groups of supporting wheels 43 are arranged on the base 11, and the plurality of groups of supporting wheels 43 are used for supporting the roller assembly 2 during rotation, so that the roller assembly 2 rotates more stably;

an air inlet 24 and an air outlet (not shown) are arranged at the rotation axis positions of the cylinder heads 22 at the two ends, the air inlet 24 and the air outlet are communicated with the internal cavity of the cylinder assembly 2, the air inlet 24 is communicated with a steam source, and the air outlet is used for discharging superfluous steam in the cylinder assembly 2, so that when the steam passes through the inside of the cylinder assembly 2, a certain drying temperature is generated on the outer surface of the cylinder assembly 2, and the feed liquid is dried;

in order to ensure that the input and output of steam are not influenced in the rotating process of the roller assembly 2, rotary joints 3 are communicated with the positions of the air inlet 24 and the air outlet, the rotary joints 3 comprise rotary parts 31 connected with the air inlet 24 and the air outlet and fixed parts 32 communicated with a steam source or the outside, wherein the rotary parts 31 and the fixed parts 32 are in rotary connection, so that when the roller assembly 2 is in rotary drying, steam can be smoothly input and output through the action of the rotary joints 3;

as shown in fig. 1-2, an immersion liquid box 12 is arranged at the lower end of a cylinder 21 on a base 11, the immersion liquid box 12 is internally provided with a liquid to be dried, and the lower end of the cylinder 21 can be contacted with the liquid in the immersion liquid box 12, so that when the cylinder 21 rotates, the liquid can be attached to the cylinder 21 along with the rotation of the cylinder 21;

a scraper 15 is fixed on the roller assembly 2 at a position opposite to the cylinder 21, the scraper 15 is used for scraping the feed liquid dried by the cylinder 21 into a collecting box, and the scraper 15 is arranged at the tail end of the rotary drying of the feed liquid so that the feed liquid can be sufficiently dried;

as shown in fig. 3, a pressing assembly 5 is arranged on the roller assembly 2 at a position relative to the cylinder 21, and the pressing assembly 5 is positioned at an initial position of drying the feed liquid and is used for flattening and uniformly keeping the feed liquid adhered on the cylinder 21;

as shown in fig. 4 to 5, the pressing assembly 5 includes two sets of pressing seats 53, the pressing seats 53 are slidably mounted at two positions of the cylinder neck 23, a sliding groove 231 is provided on the cylinder neck 23 along the circumferential direction, a sliding block 531 is slidably mounted in the sliding groove 231, a screw 532 is provided on the sliding block 531, the pressing seats 53 are threaded on the screw 532 and can be fixed by nuts, so that the pressing seats 53 can move along with the sliding block 531 in the sliding groove 231 and be fixed at any position, and the pressing position can be adjusted according to different pressing requirements;

meanwhile, a first scale 232 is arranged on one side of the cylinder neck 23, which is positioned on the chute 231, so that the position of the material pressing seat 53 can be accurately adjusted through the indication of the first scale 232;

as shown in fig. 6-8, the mounting frames 58 are arranged on the two material pressing seats 53, the upper ends of the mounting frames 58 are connected with the compression bolts 55 in a threaded manner, the compression bolts 55 penetrate through the upper ends of the material pressing seats 53, the mounting frames 58 are fixed on the material pressing seats 53 through nuts, and the mounting frames 58 can be at different heights according to different adjustment positions of the compression bolts 55;

an indication rod 56 is arranged at the upper end of the mounting frame 58, the upper end of the indication rod 56 passes through the upper end of the material pressing seat 53, and a second scale is arranged on the indication rod 56, so that the height position of the mounting frame 58 on the material pressing seat 53 can be accurately adjusted by a visual method;

meanwhile, a spring 59 is sleeved on the indication rod 56 at a position between the material pressing seat 53 and the mounting frame 58, and the spring 59 is used for buffering when the height of the mounting frame 58 is adjusted;

two waist grooves 581 are arranged at the lower end of each mounting frame 58, connecting rods 57 are arranged at the positions of the corresponding waist grooves 581 on the two mounting frames 58, in order to prevent the connecting rods 57 from rotating in the waist grooves 581, square bodies 571 are arranged on the connecting rods 57 along the length direction, square sleeves 510 are arranged in the waist grooves 581, threads 572 are arranged at the two ends of the connecting rods 57, so that the connecting rods 57 can be clamped into the square sleeves 510 in the waist grooves 581 through Fang Shen 571, and the connecting rods 57 are fixedly arranged on the mounting frames 58 through the cooperation of nuts and the threads 572;

the two ends of the connecting rod 57 are sleeved with the connecting seat 54, the connecting seat 54 is provided with a rectangular groove 542 matched with the upper body 571 of the connecting rod 57, and the rectangular groove 542 is in tight fit connection with the square body 571, so that the connecting seat 54 can be stably arranged on the connecting rod 57;

a bearing hole 541 is arranged on one side of the connecting seat 54 far from the rectangular groove 542, and a material pressing rod 51 is arranged in the bearing hole 541, and the material pressing rod 51 is used for flattening the material liquid adhered on the cylinder 21;

a third gear 52 is fixed on one side of the pressing rod 51, which is close to the second gear 221, and the third gear 52 is meshed with the second gear 221, so that under the action of the second gear 221, the pressing rod 51 is driven to rotate in the bearing hole 541 by the third gear 52, and rolling pressing of the pressing rod 51 is realized;

as shown in fig. 10 to 11, an extension end 513 is provided at the lower end of the mounting frame 58, two sets of barrier strips 512 are sleeved on the extension end 513, a threaded portion is provided on one side of each set of barrier strips 512 away from the extension end 513, a butterfly bolt 511 is screwed on the threaded portion, the upper end of the butterfly bolt 511 penetrates into the waist groove 581 from the bottom of the mounting frame 58, and the position of the sleeve 510 in the waist groove 581 is limited;

during installation, the position of the square sleeve 510 is adjusted through the butterfly bolts 511, the connecting rod 57 is penetrated into the square sleeve 510, and then the connecting rod 57 is fixed through nuts, so that the aim of adjusting the position of the connecting rod 57 according to the needs is fulfilled, and the material pressing position of the material pressing rod 51 can be adjusted;

a third scale is arranged on the extending end 513, so that the material pressing position of the material pressing rod 51 can be accurately adjusted through the butterfly bolt 511;

meanwhile, the two baffle strips 512 are arranged along the upper and lower positions of the extending end 513, so that the corresponding butterfly bolts 511 of the baffle strips 512 at the upper end can adjust the pressing position of the pressing rod 51 to be slightly higher, and the pressing rod 51 at the slightly higher position is closer to the immersion liquid feeding end of the cylinder 21 than the pressing rod 51 at the slightly lower position, so that the step-by-step pressing of the two pressing rods 51 is realized;

in summary, when the drying device of the present application performs immersion drying, firstly, circulating hot steam is introduced into the drum assembly 2 to make the outer surface of the drum 21 reach a certain drying temperature, then the driving assembly 4 is started, the drum 21 starts to rotate under the driving of the driving assembly 4, and the liquid is adhered to the surface of the drum 21 from the immersion liquid box 12;

when the cylinder 21 adhered with the feed liquid passes through the material pressing assembly 5, the feed liquid is uniformly adhered on the cylinder 21 through stepped two-stage material pressing;

when the cylinder 21 to which the feed liquid is adhered is rotated to the position of the scraper 15, the dried feed liquid is scraped into the collecting box by the scraper 15, thereby completing the drying operation of the feed liquid.

Embodiment two:

the embodiment specifically illustrates a spray-type working state of the drying equipment, and the working state is based on the immersed working state by adding the following structure:

as shown in fig. 7-9, the middle positions of the two mounting frames 58, which are positioned at the two waist slots 581, are respectively provided with a mounting hole 582, the positions, which are opposite to the two mounting holes 582, of the spray assembly 6 are provided with a spray assembly 6, the spray assembly 6 comprises a head pipe 62 which is in threaded connection with the mounting holes 582, one end, which is far away from the mounting holes 582, of the head pipe 62 is in threaded connection with a joint pipe 63, a main pipe 61 is in threaded connection between the two joint pipes 63, and the main pipe 61 can be arranged in a whole way or can be formed by splicing a plurality of sections of main pipes 61 and the joint pipes 63;

a plurality of groups of spray heads 611 are arranged on the main body pipe 61 at positions opposite to the cylinder 21, and the plurality of groups of spray heads 611 are arranged along the length direction of the main body pipe 61 and cover the cylinder 21, so that the spray heads 611 can conveniently spray feed liquid on the surface of the cylinder 21;

the two end pipes 62 are provided with liquid pipe joints 621, meanwhile, as shown in fig. 2, the base 11 is provided with a solution tank 13 and a pump body 16 positioned at the upper end of the solution tank 13, the input end of the pump body 16 is communicated with the solution tank 13, the output end of the pump body 16 is communicated with one liquid pipe joint 621, and the other liquid pipe joint 621 is connected back to the solution tank 13, so that when the liquid is stored in the solution tank 13, the liquid can be introduced into the spray assembly 6 through the liquid pipe joint 621 by the action of the pump body 16, and the liquid is sprayed to the surface of the cylinder 21 through the spray head 611;

in summary, when the drying apparatus of the present application performs spray drying, the feed liquid is sucked into the spray assembly 6 by the pump body 16 and sprayed on the surface of the cylinder 21 through the spray head 611;

when the feed liquid is sprayed on the surface of the cylinder 21, the cylinder 21 rotates, and hot steam is also introduced into the roller assembly 2, so that the surface of the cylinder 21 reaches a certain drying temperature and the feed liquid is dried;

because the position of the material liquid spray is in the middle of the two material pressing rods 51 on the material pressing assembly 5, the positions of the two material pressing rods 51 are exchanged at the moment, so that the material pressing rod 51 at a slightly higher position is positioned in front of the rotation of the cylinder 21, and the material pressing rod 51 at a slightly lower position is positioned behind the rotation of the cylinder 21, material pressing operation is carried out on the material liquid through the material pressing rod 51 at a slightly higher position, and the material pressing rod 51 at a slightly lower position seals the material liquid, so that the material liquid is prevented from dripping;

when the cylinder 21 adhered with the feed liquid rotates to the position of the scraper 15, the dried feed liquid is scraped into the collecting box by the scraper 15, so that the drying operation of the feed liquid is completed;

the dropped feed liquid can be collected by the immersion liquid box 12 for recycling;

as shown in fig. 9, an air pipe joint 622 is further disposed on the two end pipes 62, and the air pipe joint 622 is used for introducing hot steam, so as to accelerate the flow speed of the feed liquid in the spray assembly 6 in a spray type working state, or spray the hot steam on the feed liquid through a spray head 611 in a submerged type working state, so as to accelerate the uniform shaping of the feed liquid.

Embodiment III:

this example illustrates how to switch between the submerged operating state and the spray operating state, in particular:

as shown in fig. 1, a liquid pump 17 is fixedly installed on the base 11, and a first pipeline 18 is arranged between the input end of the liquid pump 17 and the solution tank 13, so that the liquid pump 17 can pump the feed liquid in the solution tank 13 through the first pipeline 18;

a second pipeline 19 and a third pipeline 110 are respectively connected to the output end of the liquid pump 17, wherein the second pipeline 19 is communicated with a liquid pipe joint 621 for introducing the liquid into the spray assembly 6, and the third pipeline 110 is communicated with the liquid immersion box 12 for introducing the liquid into the liquid immersion box 12;

meanwhile, a first valve body is arranged on the first pipeline 18 and used for controlling the on-off of the first pipeline 18, a second valve body is arranged on the second pipeline 19 and used for controlling the on-off of the second pipeline 19, and a third valve body is arranged on the third pipeline 110 and used for controlling the on-off of the third pipeline 110;

a pressure sensor is arranged at the position where the material pressing rod 51 at a slightly higher position is contacted with the material liquid, and the pressure sensor is used for collecting viscosity information of the material liquid;

in this embodiment, a PLC control system is further provided, and the PLC control system is electrically connected to the first valve body, the second valve body, the third valve body, and the pressure sensor, and is used for coordinating the cooperative work of the electrical components;

in summary, in the initial state, the first valve body and the third valve body are opened, and the second valve body is closed, so that the liquid pump 17 pumps the feed liquid in the solution tank 13 out to the third pipeline 110 and into the immersion liquid box 12, and the drying device is in the immersed working state at this time;

under the immersed working state, the pressure value of the feed liquid is collected through the pressure sensor, and when the pressure value is larger than a preset value, the adhesion force of the feed liquid is higher, so that the viscosity of the feed liquid is higher, the immersed working state is suitable, and the working state is not changed;

when the pressure value is smaller than the preset value, the material liquid is easy to drop, so that the viscosity of the material liquid is not high, and a spray type working state is adopted at the moment, so that the material liquid is switched;

at the moment, the first valve body and the second valve body are opened through the PLC control system, and the third valve body is closed, so that the liquid pump 17 pumps the feed liquid in the solution tank 13 out to the second pipeline 19 and enters the spray assembly 6 to start to enter a spray type working state;

in this embodiment, according to the pressure value of the material liquid collected by the pressure sensor, the drying device is switched between the spraying type working state and the immersion type working state, so as to adapt to the drying requirements of the material liquid with different viscosity.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A drying apparatus, characterized in that: comprising the following steps:

a base (11), the base (11) being for support;

the roller assembly (2) is arranged on the base (11) in a bearing way, and the interior of the roller assembly (2) is provided with a cavity and is used for introducing hot steam so as to enable the outer surface of the roller assembly (2) to have a drying temperature;

-a drive assembly (4), the drive assembly (4) being adapted to drive the rotation of the drum assembly (2);

the immersion liquid box (12) is arranged below the roller assembly (2) and is used for placing feed liquid to be dried;

the material pressing assembly (5) is positioned at the initial position of material liquid drying, and the material pressing assembly (5) is used for flattening the material liquid adhered on the roller assembly (2);

a spraying assembly (6), wherein the spraying assembly (6) is used for spraying feed liquid on the roller assembly (2);

wherein: when the viscosity of the feed liquid is high, the mode that the roller assembly (2) is immersed in the immersion liquid box (12) is adopted for feeding, and when the viscosity of the feed liquid is low, the mode that the spray assembly (6) is adopted for spraying the feed liquid on the surface of the roller assembly (2) is adopted for feeding.

2. A drying apparatus according to claim 1, wherein: the roller assembly (2) comprises a cylinder head (22) at two ends and a cylinder body (21) at the middle position, wherein a cylinder neck (23) is arranged between the cylinder head (22) and the cylinder body (21);

the driving assembly (4) comprises a servo motor (41) fixed on the base (11), a first gear (42) is installed at the output end of the servo motor (41), a second gear (221) is sleeved on the outer ring of the cylinder head (22) at one end, and the first gear (42) is meshed with the second gear (221).

3. A drying apparatus according to claim 2, wherein: a scraper (15) is arranged on the roller assembly (2) at a position opposite to the cylinder (21), and the scraper (15) is arranged at the tail end of the rotary drying of the feed liquid and is used for scraping the feed liquid dried by the cylinder (21) into a collecting box.

4. A drying apparatus according to claim 3, wherein: the material pressing assembly (5) comprises material pressing seats (53) which are respectively and slidably arranged at the two positions of the cylinder neck (23), mounting frames (58) which are convenient for height adjustment are arranged on the two positions of the material pressing seats (53), two waist grooves (581) are arranged at the lower ends of the mounting frames (58), and connecting rods (57) are arranged at the positions of the waist grooves (581) corresponding to the two positions;

connecting seats (54) are sleeved at two ends of the connecting rod (57), bearing holes (541) are formed in the connecting seats (54), and a pressing rod (51) is arranged in each bearing hole (541);

a third gear (52) is fixed on one side of the material pressing rod (51) close to the second gear (221), and the third gear (52) is meshed with the second gear (221).

5. A drying apparatus according to claim 4, wherein: the lower end of the mounting frame (58) is provided with an extending end (513), two groups of baffle strips (512) are sleeved on the extending end (513), a threaded part is arranged on one side, away from the extending end (513), of each group of baffle strips (512), a butterfly bolt (511) is connected to the threaded part in a threaded mode, and the upper end of the butterfly bolt (511) penetrates into the waist groove (581) from the bottom of the mounting frame (58);

two barrier strips (512) are arranged along the upper and lower positions of the extending end (513).

6. A drying apparatus according to claim 4, wherein: the spraying assembly (6) comprises an end head pipe (62) which is in threaded installation with the installation frame (58), a joint pipe (63) is installed on the end head pipe (62), and a main body pipe (61) is in threaded connection between the two joint pipes (63);

a plurality of groups of spray heads (611) are arranged on the main body pipe (61) at positions corresponding to the roller assembly (2);

the two end pipes (62) are provided with liquid pipe joints (621), the liquid pipe joints (621) are communicated with an external liquid tank, and a pump body (16) is arranged on a pipeline for communicating the liquid pipe joints (621) with the liquid tank.

7. A drying apparatus according to claim 6, wherein: the main body pipe (61) is arranged for the whole root.

8. A drying apparatus according to claim 7, wherein: two end pipes (62) are provided with air pipe joints (622), and the air pipe joints (622) are used for connecting hot steam.

9. A drying apparatus according to claim 2, wherein: the rotary shaft center positions of the cylinder heads (22) at the two ends are provided with an air inlet 24 and an air outlet, the air inlet (24) and the air outlet are communicated with the internal cavity of the roller assembly (2), and the air inlet (24) is communicated with a steam source;

the steam generating device is characterized in that the positions of the air inlet (24) and the air outlet are both communicated with a rotary joint (3), the rotary joint (3) comprises a rotary part (31) connected with the air inlet (24) and the air outlet, and a fixed part (32) communicated with a steam source or the outside, and the rotary part (31) and the fixed part (32) are rotationally connected.

10. A drying apparatus according to claim 5, wherein: the protruding end (513) is provided with a third scale.