CN219656493U

CN219656493U - Double-spiral-belt vacuum dryer with double-end-face mechanical seal

Info

Publication number: CN219656493U
Application number: CN202321248765.8U
Authority: CN
Inventors: 王盈春
Original assignee: Jiangsu Shangjin Drying Technology Co ltd
Current assignee: Jiangsu Shangjin Drying Technology Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-09-08
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the technical field of vacuum dryers, and provides a double-spiral-belt vacuum dryer with double-end-face mechanical seal, which comprises a frame, a drying cylinder and a spiral-belt stirring mechanism, wherein the drying cylinder is arranged above the frame, the spiral-belt stirring mechanism is arranged in the drying cylinder, two ends of the drying cylinder are respectively provided with a feed hopper and a discharge bin, one side of the feed hopper is fixedly provided with a hot air blower, the outer wall of the center of the drying cylinder is circumferentially provided with a chain, the outer walls of the two ends of the drying cylinder are fixedly provided with rotating rings, two sides of the top of the frame are fixedly provided with roller brackets, rollers are erected on the roller brackets, and the rollers are rotationally connected with the outer surfaces of the rotating rings. According to the utility model, the materials in the drying cylinder can be uniformly distributed on the cylinder wall, so that the materials are fully and uniformly stirred in the drying cylinder, the heating uniformity of the surfaces of the materials is improved, and the materials adhered to the stirring rod and the screw belt can be effectively scraped by the scraping plate, so that the waste of the materials is avoided.

Description

Double-spiral-belt vacuum dryer with double-end-face mechanical seal

Technical Field

The utility model belongs to the technical field of vacuum dryers, and particularly relates to a double-spiral-belt vacuum dryer with double-end-face mechanical seals.

Background

The vacuum dryer is a vacuum low-temperature device for heating materials. The vacuum dryer is used for dehydrating and drying agricultural and sideline products, health products, foods, medicinal materials, fruits and vegetables, chemical raw materials and the like which have high added value and heat sensitivity; the method is used for low-temperature concentration of chemical products, removal of crystal water, drying of enzyme preparations and the like, and vacuum extraction of Chinese herbal medicines, and is suitable for experiments of scientific research institutions.

Through retrieving, current patent (publication number CN 211451676U) discloses a vacuum spiral ribbon mixing dryer, including the dryer body, the top fixed mounting of dryer body has fixed bearing, and fixed bearing's inner circle fixedly connected with pivot, the inner wall of dryer body is extended to the one end of pivot, and the other end of pivot extends to the upper surface of dryer body, and the top fixed mounting of dryer body has the speed regulator, and the surface fixed mounting of speed regulator has servo motor. This vacuum spiral shell area hybrid dryer, through setting up anti-caking device, when using, dry hot gas gets into the sealed tube through the intake pipe in after, in entering the functional tube through intake chamber and connecting pipe, from outlet duct blowout, blow the drying to the surface of stirring spiral shell area, prevent that wet material and stirring spiral shell area's surface from contacting the back, appear piling up the condition of caking to have the surface material that prevents stirring spiral shell area and pile up the caking, reach the characteristics that better dry stirring mixes.

However, the following problems are found in the implementation related art: above-mentioned desiccator is in the in-service use, because the desiccator body is fixed, when carrying out the material drying, can not make material evenly distributed evenly be heated on the desiccator inner wall, reduced the area of contact of material surface and heat source to reduced the degree of consistency of being heated on material surface, easily lead to the drying inhomogeneous, and can not effectively strike off the material that the spiral shell area is adhered to, easily cause the material extravagant.

Disclosure of Invention

The utility model provides a double-spiral-belt vacuum dryer with double-end-face mechanical seals, which solves the problem that the prior dryer in the background art can not uniformly distribute materials on the inner wall of the dryer to be heated uniformly when drying the materials, so that the drying is uneven.

The technical scheme of the utility model is as follows:

the utility model provides a take two spiral shell area vacuum drying machines of bi-polar face mechanical seal, includes frame, dry cylinder and spiral shell area rabbling mechanism, the top of frame is located to the dry cylinder, the inside of dry cylinder is located to spiral shell area rabbling mechanism, the both ends of dry cylinder are equipped with feeder hopper and ejection of compact storehouse respectively, one side fixed mounting of feeder hopper has the air heater, encircle on the central outer wall of dry cylinder and be provided with the chain, fixed mounting has the swivel on the both ends outer wall of dry cylinder, the top both sides fixed mounting of frame has the gyro wheel support, the gyro wheel has been erect on the gyro wheel support, the gyro wheel is rotated with the surface of swivel and is connected.

Preferably, the bottom fixed mounting of frame has the motor, the output shaft of motor rotates and is connected with first belt pulley, first belt pulley rotates through the belt and is connected with the second belt pulley, second belt pulley fixed mounting is on the outer wall of pivot, and the pivot is close to fixed mounting has the gear on the outer wall of one side of second belt pulley, gear and chain engagement.

Preferably, both ends of the rotating shaft are movably sleeved with shaft seats, the shaft seats are fixedly arranged at the top of the fixing plate, and the fixing plate is fixedly connected at the top of the frame and positioned below the drying cylinder.

Preferably, the spiral ribbon stirring mechanism comprises a spiral ribbon stirring shaft, a plurality of stirring rods which are arranged at equal intervals are fixedly inserted on the outer wall of the spiral ribbon stirring shaft, fixing plates are arranged at two ends of the spiral ribbon stirring shaft, two ends of each stirring rod are respectively and fixedly connected to the fixing plates, and the stirring rods are fixedly clamped on the outer side walls of the fixing plates through fixing blocks.

Preferably, the outside of ribbon (mixing) shaft encircles and is provided with two sets of ribbon, and two sets of ribbon is spiral alternately setting, and fixed connection is on the both ends lateral wall of a plurality of puddlers.

Preferably, the spiral belt stirring shaft, the stirring rod and the spiral belt are arranged in the drying cylinder, and the two groups of fixing plates are respectively and fixedly arranged at two ends of the drying cylinder.

Preferably, a plurality of scrapers are uniformly distributed on the inner side wall of the drying cylinder, and gaps are reserved between the adjacent scrapers.

Preferably, a control box is fixedly arranged on one side of the top of the frame, and the output ends of the control box are electrically connected with the input ends of the motor and the air heater.

Preferably, the four corners of the top of the frame are fixedly provided with supporting legs, and the bottoms of the supporting legs are fixedly welded with bases.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, the first belt pulley is driven to rotate by the starting motor, the second belt pulley and the rotating shaft are driven to rotate by the belt, the drying cylinder is driven to rotate by the gear meshing chain, and the rotating rings at the two ends of the drying cylinder are matched to rotate on the roller at a uniform speed, so that materials in the drying cylinder can be uniformly distributed on the cylinder wall, and the drying effect is improved by starting the hot air blower to uniformly dry the materials by heating.

2. According to the utility model, the stirring rod and the two groups of spiral belts are driven to rotate by the rotation of the fixed disc and the spiral belt stirring shaft, so that materials are fully and uniformly stirred in the drying cylinder, the heating uniformity of the surfaces of the materials is improved by enlarging the contact area between the surfaces of the materials and a heat source, the drying effect is improved, and the materials adhered to the stirring rod and the spiral belts can be effectively scraped by the scraping plate, so that the waste of the materials is avoided.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the structure A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic diagram of a ribbon stirring mechanism according to the present utility model;

FIG. 4 is a schematic diagram showing the distribution of scrapers inside the drying cylinder according to the present utility model;

in the figure: 1. a frame; 2. a drying cylinder; 3. a ribbon stirring mechanism; 301. a helical ribbon stirring shaft; 302. a stirring rod; 303. a ribbon; 304. a fixed plate; 305. a fixed block; 4. a feed hopper; 5. discharging the material bin; 6. an air heater; 7. a chain; 8. a swivel; 9. a roller bracket; 10. a roller; 11. a motor; 12. a first pulley; 13. a belt; 14. a second pulley; 15. a rotating shaft; 16. a gear; 17. a shaft seat; 18, fixing the plate; 19. a control box; 20. support legs; 21. a base; 22. a scraper.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, the present utility model provides a double screw vacuum dryer with double mechanical seals. The device comprises a frame 1, a drying cylinder 2 and a spiral belt stirring mechanism 3, wherein the drying cylinder 2 is arranged above the frame 1, the spiral belt stirring mechanism 3 is arranged inside the drying cylinder 2, two ends of the drying cylinder 2 are respectively provided with a feed hopper 4 and a discharge bin 5, one side of the feed hopper 4 is fixedly provided with a hot air blower 6, the outer wall of the center of the drying cylinder 2 is provided with a chain 7 in a surrounding manner, the outer walls of the two ends of the drying cylinder 2 are fixedly provided with rotating rings 8, two sides of the top of the frame 1 are fixedly provided with roller brackets 9, rollers 10 are erected on the roller brackets 9, and the rollers 10 are rotationally connected with the outer surfaces of the rotating rings 8.

Further, a motor 11 is fixedly arranged at the bottom of the frame 1, an output shaft of the motor 11 is rotationally connected with a first belt pulley 12, the first belt pulley 12 is rotationally connected with a second belt pulley 14 through a belt 13, the second belt pulley 14 is fixedly arranged on the outer wall of a rotating shaft 15, a gear 16 is fixedly arranged on the outer wall of one side of the rotating shaft 15, which is close to the second belt pulley 14, the gear 16 is meshed with a chain 7, shaft seats 17 are movably sleeved at two ends of the rotating shaft 15, the shaft seats 17 are fixedly arranged at the top of a fixed plate 18, and the fixed plate 18 is fixedly connected at the top of the frame 1 and is positioned below the drying cylinder 2; the first belt pulley 12 is driven to rotate by the starting motor 11, the second belt pulley 14 and the rotating shaft 15 are driven to rotate by the belt 13, the drying cylinder 2 is driven to rotate by the gear 16 meshed with the chain 7, the rotating rings 8 matched with the two ends of the rotating rings rotate on the roller 10 at a constant speed, so that materials in the drying cylinder 2 are uniformly distributed on the cylinder wall, and the drying effect is improved by starting the hot air blower 6 to uniformly dry the materials.

In some specific embodiments, the ribbon stirring mechanism 3 includes a ribbon stirring shaft 301, a plurality of stirring rods 302 arranged at equal intervals are fixedly inserted on the outer wall of the ribbon stirring shaft 301, two ends of the ribbon stirring shaft 301 are respectively provided with a fixed disc 304, two ends of the stirring rods 302 are respectively and fixedly connected to the fixed disc 304, and are fixedly clamped on the outer side wall of the fixed disc 304 through a fixed block 305.

It should be noted that, in this embodiment, the ribbon stirring shaft 301 is externally provided with two sets of ribbon 303 in a surrounding manner, the two sets of ribbon 303 are disposed in a spiral intersecting manner, and are fixedly connected to two end side walls of the plurality of stirring rods 302, the ribbon stirring shaft 301, the stirring rods 302 and the ribbon 303 are all disposed in the drying cylinder 2, and the two sets of fixing plates 304 are respectively and fixedly mounted at two ends of the drying cylinder 2.

Through the spiral shell area (301) that is provided with two sets of spiral shell area (303) of setting, can drive fixed disk (304) and spiral shell area (301) rotation when dry cylinder (2) rotates, and then drive puddler (302) and two sets of spiral shell area (303) rotations for the material is fully stirred evenly in dry cylinder (2), through expanding the area of contact of material surface and heat source, thereby improved the degree of heating on material surface, very big improvement drying effect, and two sets of spiral shell area (303) can effectively carry out spiral with the material and roll and carry to ejection of compact storehouse (5), very big improvement conveying efficiency.

In other embodiments, the utility model can also uniformly distribute a plurality of scrapers 22 on the inner side wall of the drying cylinder 2, and gaps are reserved between the adjacent scrapers 22; the scraper 22 can effectively scrape the materials adhered to the stirring rod 302 and the spiral belt 303, so that the waste of the materials is avoided.

It can be understood that as a conventional arrangement in a vacuum dryer, the utility model is also provided with a control box 19 fixedly arranged on one side of the top of the frame 1, and the output ends of the control box 19 are electrically connected with the input ends of the motor 11 and the air heater 6; the whole operation of the device can be realized through the operation of the control box 19, the automation degree is high, the use is convenient, and the drying efficiency is high. Meanwhile, supporting legs 20 are fixedly arranged at four corners of the top of the frame 1, and bases 21 are fixedly welded at the bottoms of the supporting legs 20; the support legs 20 and the base 21 increase the stability of the device during operation.

When the drying machine is used, after a material enters the drying cylinder 2 from the feed hopper 4, the motor 11 is started to work through the control box 19, the output shaft of the motor 11 is utilized to drive the first belt pulley 12 to rotate, the belt 13 is utilized to drive the second belt pulley 14 and the rotating shaft 15 to rotate, the chain 7 is meshed through the gear 16 to drive the drying cylinder 2 to rotate, the rotating rings 8 at two ends of the rotating ring are matched to rotate on the roller 10 at a constant speed, so that the material in the drying cylinder 2 is uniformly distributed on the cylinder wall, and the drying machine is uniformly heated and dried by starting the hot air blower 6.

When the drying cylinder 2 rotates, the fixed disc 304 and the spiral belt stirring shaft 301 are driven to rotate, and then the stirring rod 302 and the two groups of spiral belts 303 are driven to rotate, so that materials are fully and uniformly stirred in the drying cylinder 2, the heating uniformity of the surfaces of the materials is improved by enlarging the contact area between the surfaces of the materials and a heat source, the drying effect is greatly improved, and the materials can be effectively spirally rolled and conveyed to the discharging bin 5 by the two groups of spiral belts 303, so that the conveying efficiency is greatly improved; and the scraper blade 22 can effectively scrape the materials adhered to the stirring rod 302 and the spiral belt 303 in the drying process, so that the waste of the materials is avoided, and the use cost is effectively saved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a take two spiral shell area vacuum dryer of bi-polar face mechanical seal, includes frame (1), dry section of thick bamboo (2) and spiral shell area rabbling mechanism (3), its characterized in that: the drying cylinder (2) is arranged above the frame (1), the spiral belt stirring mechanism (3) is arranged inside the drying cylinder (2), two ends of the drying cylinder (2) are respectively provided with a feed hopper (4) and a discharge bin (5), one side of the feed hopper (4) is fixedly provided with a hot air blower (6), a chain (7) is arranged on the outer wall of the center of the drying cylinder (2) in a surrounding manner, the drying cylinder is characterized in that swivel rings (8) are fixedly assembled on the outer walls of the two ends of the drying cylinder (2), roller supports (9) are fixedly installed on the two sides of the top of the frame (1), rollers (10) are erected on the roller supports (9), and the rollers (10) are rotationally connected with the outer surfaces of the swivel rings (8).

2. The double-screw vacuum dryer with double-end mechanical seal of claim 1, wherein: the bottom fixed mounting of frame (1) has motor (11), the output shaft of motor (11) rotates and is connected with first belt pulley (12), first belt pulley (12) are connected with second belt pulley (14) through belt (13) rotation, second belt pulley (14) fixed mounting is on the outer wall of pivot (15), and fixed mounting has gear (16) on one side outer wall that pivot (15) is close to second belt pulley (14), gear (16) and chain (7) meshing.

3. The double-screw vacuum dryer with double-end mechanical seal of claim 2, wherein: both ends of pivot (15) all movable sleeve are equipped with axle bed (17), axle bed (17) fixed mounting is at the top of fixed plate (18), fixed plate (18) fixed connection is at the top of frame (1), and is located the below of dry section of thick bamboo (2).

4. The double-screw vacuum dryer with double-end mechanical seal of claim 1, wherein: the spiral ribbon stirring mechanism (3) comprises a spiral ribbon stirring shaft (301), a plurality of stirring rods (302) which are arranged at intervals are fixedly inserted on the outer wall of the spiral ribbon stirring shaft (301), fixing plates (304) are arranged at two ends of the spiral ribbon stirring shaft (301), two ends of each stirring rod (302) are fixedly connected onto the fixing plates (304) respectively, and the stirring rods are fixedly clamped on the outer side walls of the fixing plates (304) through fixing blocks (305).

5. The double-screw vacuum dryer with double mechanical seal of claim 4, wherein: the outside of spiral shell area (301) encircles and is provided with two sets of spiral shell area (303), and two sets of spiral shell area (303) are the spiral and alternately set up, and fixed connection is on the both ends lateral wall of a plurality of puddlers (302).

6. The double-screw vacuum dryer with double mechanical seal of claim 4, wherein: the spiral belt stirring shaft (301), the stirring rod (302) and the spiral belt (303) are all arranged in the drying cylinder (2), and the two groups of fixing discs (304) are respectively and fixedly arranged at two ends of the drying cylinder (2).

7. The double-screw vacuum dryer with double-end mechanical seal of claim 1, wherein: a plurality of scrapers (22) are uniformly distributed on the inner side wall of the drying cylinder (2), and gaps are reserved between the adjacent scrapers (22).

8. The double-screw vacuum dryer with double-end mechanical seal of claim 1, wherein: a control box (19) is fixedly arranged on one side of the top of the frame (1), and the output ends of the control box (19) are electrically connected with the input ends of the motor (11) and the air heater (6).

9. The double-screw vacuum dryer with double-end mechanical seal of claim 1, wherein: support legs (20) are fixedly arranged at four corners of the top of the frame (1), and bases (21) are fixedly welded at the bottoms of the support legs (20).