CN219083693U

CN219083693U - Novel rotary drum drying equipment

Info

Publication number: CN219083693U
Application number: CN202223450557.4U
Authority: CN
Inventors: 王伟强; 温连河; 张景登; 谢炜炫; 颜志斌; 陈俊秀; 吴张兴; 郑邵斌; 林德友
Original assignee: Xiamen Jiarong Technology Co Ltd
Current assignee: Xiamen Jiarong Technology Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-26
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses novel rotary drum drying equipment, which comprises a frame, wherein a roller and a circulating hopper positioned below the roller are arranged on the frame, a stirrer is arranged at the bottom of the circulating hopper, the bottom end of the circulating hopper is connected with a spraying pipe through a conveying pump, the spraying pipe is positioned at one side of the roller, a plurality of spraying ports facing the roller are arranged on the side wall of the spraying pipe, a steam inlet and a steam outlet are respectively arranged at two ends of the roller, a scraper is arranged at one side of the roller, a collecting hopper is arranged below the scraper, and a discharge port is arranged at the bottom end of the collecting hopper. The rotary drum drying equipment has simple structure and reasonable design, can treat feed liquid with complex components, can effectively prevent salt mud deposition from hardening and blocking the equipment, can discharge salt mud in a circulating hopper cleanly, and has high yield of dried salt mud; the collecting hopper is directly arranged under the scraper to collect the recovered materials, so that the operation is convenient and safe.

Description

Novel rotary drum drying equipment

Technical Field

The utility model relates to the technical field of drying equipment, in particular to novel rotary drum drying equipment.

Background

Drum drying equipment (also known as a tumble dryer) is a type of contact internal heating conduction type drying machine. In the drying process, heat is transferred from the inner wall of the roller to the outer wall of the roller, passes through the dried material attached to the outer wall surface of the roller, evaporates the water on the material, and is a continuous drying production machine, and the specific working mode is as follows: the material liquid is adhered to the surface of the slowly rotating drum, saturated steam is introduced into the drum, water is formed inside the drum after the saturated steam is condensed and is discharged by the siphon, the material is vaporized in a wet way by the heat transfer of the drum wall in the rotation of the drum, the dried material is scraped by a mud scraper at one side of the drum, is conveyed to a finished product storage tank by a screw, and is crushed or directly packaged.

The existing drum drying equipment mainly has the following defects: when the method is used for drying feed liquid with complex components (soluble and insoluble components are large and mixed, such as landfill leachate), the salt slurry of the drying equipment is seriously precipitated, so that the equipment is frequently stopped; the spiral conveying of dry mud is adopted, so that the salt mud is difficult to clean, the cleaning time period is long, and the cleaning process is easy to scald; some drying devices are provided with external circulating water tanks, so that the occupied space is large, and meanwhile, a material liquid conveying pipeline is easy to block; salt mud is easy to sink and harden in equipment, and meanwhile, the utilization rate of a roller is generally low, and the yield of the equipment is low.

In view of this, the present inventors have invented a novel drum drying apparatus.

Disclosure of Invention

The utility model aims to provide novel rotary drum drying equipment with simple structure and reasonable design, which can effectively avoid the problems of salt mud deposition hardening and difficult cleaning and effectively improve the yield of the dried salt mud.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel rotary drum drying equipment, includes the frame, be equipped with the cylinder in the frame, be located the circulation hopper of cylinder below, the bottom of circulation hopper is equipped with the agitator, just the bottom of circulation hopper is connected with spouts the material pipe through the delivery pump, it is located cylinder one side to spout the material pipe, and spouts the lateral wall of material pipe and be equipped with a plurality of spouts the material mouthful towards the cylinder, the both ends of cylinder are equipped with steam inlet and steam outlet respectively, one side of cylinder is equipped with the scraper, the below of scraper is equipped with the collecting hopper, the bottom of collecting hopper has the discharge gate.

Further, the bottom end surface of the circulating hopper is an arc surface.

Further, the stirrer comprises a stirring motor, a rotating shaft driven by the stirring motor and stirring blades arranged on the rotating shaft, the bottom end surface of the circulating hopper is a semi-cylindrical surface, and the rotating shaft is arranged along the axis of the semi-cylindrical surface.

Further, the back of the scraper is fixed on a connecting shaft, and driving structures for driving the connecting shaft to rotate are arranged at two ends of the frame corresponding to the connecting shaft.

Further, the driving structure comprises a hydraulic cylinder and a driving rod, wherein the hydraulic cylinder is transversely arranged, one end of the driving rod is rotatably connected with a piston rod of the hydraulic cylinder, and the other end of the driving rod is fixedly connected with a connecting shaft.

Further, the outside safety cover that is provided with of cylinder, and the bottom of safety cover and the top of circulation hopper match and set up, the top of safety cover is equipped with the deodorization hole.

Further, the both sides of safety cover all are equipped with the access hole, and correspond the access hole all to be equipped with the access panel.

Further, the scraper and the spraying pipe are positioned on the same side of the roller.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

the rotary drum drying equipment has simple structure and reasonable design, the circulating hopper is arranged below the roller, the stirrer is arranged at the bottom of the circulating hopper, the bottom end of the circulating hopper is connected with the material conveying pump and the material spraying pipe, the equipment can treat material liquid with complex components, meanwhile, the equipment can be effectively prevented from being hardened and blocked by salt mud deposition, in addition, the salt mud in the circulating hopper can be discharged cleanly, and the yield of the dried salt mud of the equipment is high; the collecting hopper is directly arranged under the scraper to collect the recovered materials, so that the operation is convenient and safe.

Drawings

FIG. 1 is a perspective view of a drum drying apparatus according to an embodiment of the present utility model;

FIG. 2 is another perspective view of a drum drying apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the drum dryer apparatus of FIG. 1 after the protective hood, circulation hopper and collection hopper are removed;

fig. 4 is a schematic view of the drum dryer apparatus of fig. 2 after the protective hood, circulation hopper and collection hopper are removed.

Reference numerals illustrate:

a 10-frame, wherein the frame is provided with a plurality of grooves,

11-drive structure, 111-hydraulic cylinder, 112-drive rod,

20-a roller, wherein the roller is provided with a plurality of rollers,

21-a steam inlet, wherein the steam inlet is provided with a steam inlet,

22-a steam outlet, which is provided with a steam outlet,

23-doctor blade, 231-connecting shaft,

a 24-speed reducing motor, wherein the speed reducing motor is provided with a motor,

25-protective cover, 251-deodorizing hole, 252-access hole, 253-access panel,

30-a circulation hopper, wherein the circulation hopper is provided with a plurality of circulating pipes,

31-stirrer, 311-stirring motor, 312-rotating shaft, 313-stirring blade,

40-a material spraying pipe,

41-material conveying pipe, 42-material conveying pump,

50-a collecting hopper, wherein the collecting hopper is provided with a plurality of collecting chambers,

51-discharge hole, 52-ton bag and 53-forklift.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

The utility model discloses novel drum drying equipment which is mainly used for drying feed liquid and collecting and recycling salt mud, and is particularly applicable to feed liquid with complex components (soluble and insoluble components are all more and are mixed, such as landfill leachate) in combination with figures 1 to 4. Of course, the device may be used in other suitable scenarios, without limitation.

The utility model provides a novel rotary drum drying equipment, includes frame 10, be equipped with cylinder 20 in the frame 10, be located the circulation hopper 30 of cylinder 20 below, the bottom of circulation hopper 30 is equipped with agitator 31, just the bottom of circulation hopper 30 is connected with spouts material pipe 40 through delivery pump 43, spout material pipe 40 and be located cylinder 20 one side, and spout the lateral wall of material pipe 40 and be equipped with a plurality of spouts material mouthful 41 towards cylinder 20, the both ends of cylinder 20 are equipped with steam inlet 21 and steam outlet 22 respectively, one side of cylinder 20 is equipped with scraper 23, the below of scraper 23 is equipped with collecting hopper 50, the bottom of collecting hopper 50 has discharge gate 51.

The two ends of the roller 20 are fixed on the frame 10, a gear motor 24 for driving the roller 20 to rotate is also arranged on the frame 10, the gear motor 24 drives the roller 20 to rotate through a belt transmission mechanism, and an outer cover is arranged outside the belt transmission mechanism for protecting the apparatus and simultaneously for the beauty of the apparatus. The steam inlets 21 and the steam outlets 22 at the two ends of the drum 20, external high-temperature steam enters the drum 20 through the steam inlets 21, the outer wall of the drum 20 is heated by the high-temperature steam, so that moisture in the feed liquid on the outer wall of the drum 20 can be evaporated, and the condensed steam is discharged to the outside of the drum 20 through the steam outlets 22 by a siphon or a pump or other suitable modes.

The circulation hopper 30 is located below the roller 20, and the length and width dimensions of the top opening of the circulation hopper 30 are respectively larger than the axial dimension and the radial dimension of the roller 20, so that the feed liquid on the surface of the roller 20 always falls into the circulation hopper 30. The stirrer 31 is arranged in the circulation hopper 30 to continuously stir the feed liquid in the circulation hopper 30, so that the hardening of the feed liquid is prevented. At the bottom end of the circulation hopper 30, a material conveying pump 43 is connected through a material conveying pipe 42, the material conveying pump 43 is connected with a material spraying pipe 40, the material conveying pump 43 pumps the material in the circulation hopper 30 to the material spraying pipe 40, and the material is sprayed to the surface of the roller 20 through a material spraying opening 41 of the material spraying pipe 40, so that the material liquid in the circulation hopper 30 is fed to the surface of the roller 20. The feed liquid sprayed from the spraying opening 41 is partially adhered to the surface of the drum 20, and is evaporated to dryness as the drum 20 rotates, and the other part falls into the circulation hopper 30 to be mixed with the feed liquid in the hopper again by the stirrer 31, and is waiting to be fed to the drum 20 again. The feed liquid is stirred constantly in a circulating way, so that the salt slurry hardening in the equipment can be effectively reduced, the shutdown phenomenon of the equipment is effectively reduced, and the efficiency is improved.

In addition, the material conveying pump 43 is connected with the bottom end of the circulating hopper 30 (through the material conveying pipe 42), so that the material liquid output by the material conveying pump 43 is always the most thick material liquid at the bottom of the circulating hopper 30 (although the stirrer 31 is arranged at the bottom of the circulating hopper 30, the salt mud is mainly concentrated at the bottom of the circulating hopper 30, so that the material liquid at the bottom is the most thick and the concentration is the greatest), the salt mud in the circulating hopper 30 can be ensured to be discharged cleanly, and meanwhile, the yield of the dried salt mud of the equipment can be effectively improved, and compared with the existing equipment, the yield of the salt mud can be improved by more than 70%.

The scraper 23 is located on one side of the drum 20, and during rotation of the drum 20, the feed liquid is evaporated to dryness and the surface of the drum 20 remains a cohesive salt slurry, which is scraped off the surface of the drum 20 by the scraper 23 and naturally falls into the collection hopper 50 below the scraper 23 as the drum 20 rotates to the position of the scraper 23. The bottom end of the collecting hopper 50 is provided with a discharge port 51, and a ton bag 52 (or other suitable container for collecting materials) is placed below the collecting hopper 50 at a position corresponding to the discharge port 51, so that the salty mud materials in the collecting hopper 50 can directly fall into the ton bag 52 and finally directly pass through the ton bag 52 for packaging. Wherein, can select to use the fork truck 53 that pairs with ton bag 52 and use, the position at the fixed ton bag 52 of fork truck 53 is directly placed to ton bag 52 and corresponds to put to discharge gate 51 below, can directly collect the material, so need not the manual work and support ton bag 52, convenient to use.

In this embodiment, the drum drying device sets up the collecting hopper 50 to directly offer the discharge gate 51 at the collecting hopper 50 bottom and collect dry material, compare in current screw conveying (similar to screw conveying) and collect the material, the material in the clearance collecting hopper 50 is simpler, convenient, and the security is high (current screw conveying, has high-speed pivoted screw structure, and the rotational speed is high and the temperature is high, and is dangerous during operation).

The bottom end surface of the circulation hopper 30 is an arc surface. So the bottom of circulation hopper 30 does not have the dead angle for salt mud can not deposit in the bottom of circulation hopper 30, also makes the salt mud of bottom can discharge cleanly simultaneously. Further, the bottom surface of the circulation hopper 30 is a semi-cylindrical surface, the agitator 31 includes an agitating motor 311, a rotating shaft 312 driven by the agitating motor 311 to rotate, and an agitating blade 313 disposed on the rotating shaft 312, and the rotating shaft 312 is disposed along the axis of the semi-cylindrical surface. Specifically, the stirring blades 313 are uniformly arranged along the axial direction of the rotating shaft 312, and are symmetrically arranged about the rotating shaft 312, so that when the rotating shaft 312 drives the stirring blades 313 to rotate and stir, the bottom of the circulation hopper 30 can be stirred everywhere, and the stirring at each position is also uniform.

The outside of cylinder 20 is provided with safety cover 25, and the bottom of safety cover 25 and the top of circulation hopper 30 match and set up, the top of safety cover 25 is equipped with deodorization hole 251. The bottom of the protection cover 25 is matched with the top of the circulation hopper 30, the protection cover 25 and the circulation hopper 30 are enclosed to form a closed space, and the roller 20 is positioned in the space. The top end of the protective cover 25 is provided with a deodorizing hole 251, and a flange is arranged at the deodorizing hole 251 to be communicated with a deodorizing system, and the deodorizing system extracts and further processes the gas and the moisture in the closed space.

Both sides of the protective cover 25 are provided with access holes 252, and access plates 253 are provided corresponding to the access holes 252. In a normal state, the access panel 253 is in a closed state, and when the interior components need to be cleaned or serviced, the access panel 253 can be opened for treatment through the access opening 252. Specifically, the access holes 252 on the same side as the doctor blade 23 are provided corresponding to the doctor blade 23, and the access holes 252 on both sides are substantially at the same height. The doctor blade 23, the drum 20 or the collection hopper 50 can be cleaned from the access opening 252 by opening the access panel 253 on one side of the doctor blade 23.

In this embodiment, the scraper 23 and the spraying pipe 40 are located on the same side of the drum 20. Specifically, the spraying pipe 40 is located below the scraper 23, and the drum 20 rotates from top to bottom on one side of the spraying pipe 40 and one side of the scraper 23, so that on one hand, the material liquid sprayed by the spraying pipe 40 can be prevented from falling to the position of the scraper 23, and on the other hand, the material liquid sprayed by the spraying pipe 40 and adhered to the drum 20 has a large rotating angle and a long time along with the drum 20, the drying effect is better, and meanwhile, the utilization rate of the drum 20 is effectively improved.

The back of the scraper 23 is fixed on a connecting shaft 231, and two ends of the frame 10 corresponding to the connecting shaft 231 are respectively provided with a driving structure for driving the connecting shaft 231 to rotate. One side of the scraper 23 is a blade, the other side is a knife back, in a normal state, one side of the blade is close to the roller 20 (a small gap exists between the blade and the roller 20 so as to scrape salt slurry on the surface of the roller 20), and one side of the knife back is fixedly connected with the connecting shaft 231. The driving structure drives the connecting shaft 231 to rotate, so that the blade edge of the scraper 23 can be driven to approach or separate from the surface of the roller 20. When the device is in operation, the blade is in a state of being close to the drum 20; but when the scraper 23 or the surface of the roller 20 needs to be cleaned, the driving structure drives the scraper 23 to rotate along the connecting shaft 231 to enable the cutting edge to be away from the surface of the roller 20 so as to facilitate cleaning; after cleaning is completed, the driving structure drives the scraper 23 to reversely rotate along the connecting shaft 231 to approach the surface of the roller 20 for resetting so as to facilitate the running and use of the equipment again.

In this embodiment, the driving structure includes a hydraulic cylinder 11 and a driving rod 12, where the hydraulic cylinder 11 is transversely disposed, one end of the driving rod 12 is rotatably connected with a piston rod of the hydraulic cylinder 11, and the other end is fixedly connected with a connecting shaft 231. The piston rod of the hydraulic cylinder 11 is disposed toward the outside of the drum 20, the blade edge side of the scraper 23 is located above the blade back side, and the scraper 23 is located below the piston rod of the hydraulic cylinder 11. When the piston rod of the hydraulic cylinder 11 extends outwards, the connecting shaft 231 is driven to rotate so as to drive the blade to be far away from the roller 20; when the piston rod of the hydraulic cylinder 11 is retracted inwards, the connecting shaft 231 is driven to rotate reversely to drive the blade to reset close to the roller 20.

The rotary drum drying equipment has simple structure and reasonable design, the circulating hopper 30 is arranged below the roller 20, the stirrer 31 is arranged at the bottom of the rotary drum drying equipment, the bottom end of the circulating hopper 30 is connected with the material conveying pump 43 and the material spraying pipe 40, the equipment can treat material liquid with complex components, meanwhile, the equipment can be effectively prevented from being hardened and blocked by salt mud deposition, in addition, the salt mud in the circulating hopper 30 can be discharged cleanly, and the yield of the dried salt mud of the equipment is high; the collection hopper 50 is arranged under the scraper 23 to collect the recovered materials, so that the operation is convenient and safe.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A novel drum drying device, characterized in that: including the frame, be equipped with the cylinder in the frame, be located the circulation hopper of cylinder below, the bottom of circulation hopper is equipped with the agitator, just the bottom of circulation hopper is connected with through the delivery pump and spouts the material pipe, it is located cylinder one side to spout the material pipe, and spouts the lateral wall of material pipe and be equipped with a plurality of spouts the material mouthful towards the cylinder, the both ends of cylinder are equipped with steam inlet and steam outlet respectively, one side of cylinder is equipped with the scraper, the below of scraper is equipped with the collecting hopper, the bottom of collecting hopper has the discharge gate.

2. A novel drum drying apparatus as claimed in claim 1, wherein: the bottom end surface of the circulating hopper is an arc surface.

3. A novel drum drying apparatus as claimed in claim 1, wherein: the stirrer comprises a stirring motor, a rotating shaft driven by the stirring motor and stirring blades arranged on the rotating shaft, the bottom end surface of the circulating hopper is a semi-cylindrical surface, and the rotating shaft is arranged along the axis of the semi-cylindrical surface.

4. A novel drum drying apparatus as claimed in claim 1, wherein: the back of the scraper is fixed on a connecting shaft, and the two ends of the frame corresponding to the connecting shaft are provided with driving structures for driving the connecting shaft to rotate.

5. A novel drum drying apparatus as claimed in claim 4, wherein: the driving structure comprises a hydraulic cylinder and a driving rod, wherein the hydraulic cylinder is transversely arranged, one end of the driving rod is rotatably connected with a piston rod of the hydraulic cylinder, and the other end of the driving rod is fixedly connected with a connecting shaft.

6. A novel drum drying apparatus as claimed in claim 1, wherein: the cylinder outside is provided with the safety cover, and the bottom of safety cover and the top matching setting of circulation hopper, the top of safety cover is equipped with the deodorization hole.

7. A novel drum drying apparatus as claimed in claim 6, wherein: both sides of safety cover all are equipped with the access hole, and correspond the access hole and all be equipped with the access panel.

8. A novel drum drying apparatus as claimed in claim 1, wherein: the scraper and the spraying pipe are positioned on the same side of the roller.