CN216347366U

CN216347366U - Double-cone rotary vacuum drying machine for preparing film coating premixing agent

Info

Publication number: CN216347366U
Application number: CN202122991365.3U
Authority: CN
Inventors: 李文静; 刘方勇; 崔瀛; 石艳宾
Original assignee: Tianjin Jiahui Jierui Pharmaceutical Technology Co ltd
Current assignee: Tianjin Jiahui Jierui Pharmaceutical Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-19
Anticipated expiration: 2031-12-01

Abstract

The utility model relates to a double-cone rotary vacuum dryer for preparing a film coating premix, which comprises a horizontally arranged base, wherein a first frame and a second frame are correspondingly and fixedly connected to the base, a cylindrical tank body with two conical ends is arranged between the first frame and the second frame, the middle of the tank body is cylindrical, a pair of rotary drums is arranged on the outer side of the cylinder of the tank body, and one ends of the two rotary drums, which are close to the tank body, are fixedly connected with the tank body. According to the utility model, the anti-blocking assembly provided with the transmission mechanism is arranged in the tank body, so that the problem of uneven drying caused by the fact that materials are condensed into blocks is solved, the materials are prevented from being accumulated in the tank body, the quality of subsequent products is improved, the tank body provided with the heating cavity and the inner container, the vacuum tube connected with the vacuum pump and the driving transmission assembly are arranged, the drying speed is accelerated by rotary drying under the vacuum condition, the phenomenon that the surface of the materials is yellowed during drying is avoided, and the material drying time is greatly shortened.

Description

Double-cone rotary vacuum drying machine for preparing film coating premixing agent

Technical Field

The utility model relates to the technical field of material drying equipment, in particular to a double-cone rotary vacuum drying machine for preparing a film coating premix.

Background

With the development of drying technology, the double-cone rotary vacuum drying equipment has become a main development direction of the current drying industry, and is widely applied to drying of powder and granular materials in the industries of pharmacy, chemical industry, food, dye, powder metallurgy and the like. The double-cone rotary vacuum drying equipment heats materials through hot air, so that moisture in the materials is evaporated and escaped, the materials are pumped out through the vacuum pump, and the materials are turned over through the rotation of the tank body.

However, in the process of preparing the film coating premix by using the conventional double-cone rotary vacuum drying machine, materials in the tank body are easily condensed into blocks, so that the problem of uneven drying is caused, and the materials are easily accumulated in the tank body, thereby affecting the quality of subsequent products.

Disclosure of Invention

The utility model aims to solve the defects of the prior art and provides a double-cone rotary vacuum dryer for preparing a film coating premix.

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

a double-cone rotary vacuum drier for preparing film coating premixing agent comprises a horizontally arranged base, a first frame and a second frame are fixedly connected to the base correspondingly, a cylindrical tank body with two conical ends is arranged between the first frame and the second frame, a pair of rotary drums is arranged outside the cylinder of the tank body, one ends of the two rotary drums close to the tank body are fixedly connected with the tank body, one end of one rotary drum far away from the tank body is rotatably connected with the first frame, one end of the other rotary drum far away from the tank body is rotatably connected with the second frame, one end of the tank body is provided with a feed pipe, the other end of the tank body is provided with a discharge pipe, pipe caps are arranged on the discharge pipe and the feed pipe in a threaded manner, an anti-bonding block assembly is arranged in the tank body, the tank body comprises a shell, an interlayer and an inner container from outside to inside, a heat insulation layer is arranged between the shell and the interlayer, a heating cavity is arranged between the interlayer and the inner container, a medium outlet pipe and a medium inlet pipe are arranged on the second frame, the medium outlet pipe and the medium inlet pipe are communicated with the heating cavity through the rotary drum, a driving transmission assembly is arranged in the frame I, the driving end of the driving transmission assembly is connected with a rotary shaft, the outer end of the rotary shaft penetrates through the frame I in a rotating mode and is fixedly connected with the rotary drum on the same side in a coaxial mode, a vacuum pipe is arranged on the frame I, one end of the vacuum pipe penetrates through the rotary drum in a rotating mode and is communicated with the interior of the tank body in a rotating mode, a filter is installed at the communicating end of the vacuum pipe and the tank body, the other end of the vacuum pipe penetrates through the driving transmission assembly in a rotating mode and is connected with a vacuum pump, and the vacuum pump is installed on the outer side wall of the frame I.

The anti-blocking component is including installing the transmission shell in the jar body, ann has drive mechanism in the transmission shell, be equipped with initiative pivot at the internal slope of jar, the one end of initiative pivot is coaxial even has motor one, motor one is installed on the lateral wall of the jar body, ann has the battery on the lateral wall of the jar body, the battery is the power supply of motor one, the other end of initiative pivot rotates and passes the transmission shell and rotate and install on the inner bag, at the internal a pair of driven spindle with initiative pivot vertically that is equipped with of jar, the one end rotation of keeping away from the transmission shell in the driven spindle is installed on the inner bag, the one end rotation that is close to the transmission shell in the driven spindle is inserted the transmission shell and is connected with the initiative pivot through drive mechanism, all coaxial ann have the spiral stirring rake in the initiative pivot and the driven spindle.

The transmission mechanism comprises a driving bevel gear coaxially and fixedly connected to the driving rotating shaft, a pair of driven bevel gears are meshed on the driving bevel gear, and the driven bevel gears are coaxially and fixedly connected with corresponding driven rotating shafts inserted into the transmission shell.

The driving transmission assembly comprises a driven gear coaxially and fixedly connected with the rotating shaft, a driving gear is meshed below the driven gear, a second motor is coaxially connected to the driving gear, the second motor is installed in the first rack, and a through hole for the vacuum tube to penetrate through is coaxially formed in the driven gear.

And the second motor adopts a four-pole motor.

The heat preservation layer is filled with glass wool.

The fixed spacing post coaxial with the rotary drum is fixedly connected to the outer side wall of the second rack, one end of the fixed spacing post is inserted into the rotary drum in a sealing mode, the rotary drum rotates on the fixed spacing post in a sealing mode, the rotary drum is communicated with the heating cavity, a channel for a medium outlet pipe and a medium inlet pipe to pass through is formed in the fixed spacing post, and the port positions of the medium outlet pipe and the medium inlet pipe are communicated with the rotary drum.

The utility model has the beneficial effects that: according to the utility model, the anti-blocking assembly provided with the transmission mechanism is arranged in the tank body, so that the problem of uneven drying caused by the fact that materials are condensed into blocks is solved, the materials are prevented from being accumulated in the tank body, the quality of subsequent products is improved, the tank body provided with the heating cavity and the inner container, the vacuum tube connected with the vacuum pump and the driving transmission assembly are arranged, the drying speed is accelerated by rotary drying under the vacuum condition, the phenomenon that the surface of the materials is yellowed during drying is avoided, and the material drying time is greatly shortened.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1, a first frame; 2-tank body; 3-a base; 4-a discharge pipe; 5-pipe cap; 6, a first motor; 7-a second frame; 8-medium outlet pipe; 9-medium inlet pipe; 10-a drum; 11-a housing; 12-an interlayer; 13-heating chamber; 14-inner container; 15-feed pipe; 16-a transmission housing; 17-a driving rotating shaft; 18-drive bevel gear; 19-driven bevel gear; 20-driven rotating shaft; 21-vacuum tube; 22-a vacuum pump; 23-motor two; 24-a driven gear; 25-a rotating shaft; 26-a drive gear; 27-fixing a limit column; 28-a storage battery;

the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in the figure, the double-cone rotary vacuum dryer for preparing the film coating premix comprises a first frame 1, a tank body 2, a horizontally arranged base 3, a discharge pipe 4, a pipe cap 5, a first motor 6, a second frame 7, a medium outlet pipe 8, a medium inlet pipe 9, a rotary drum 10, a shell 11, an interlayer 12, a heating cavity 13, an inner container 14, a feed pipe 15, an anti-blocking component, a transmission mechanism, a vacuum pipe 21, a vacuum pump 22, a driving transmission component, a rotating shaft 25 and a fixed limiting column 27.

A first frame 1 and a second frame 7 are correspondingly and fixedly connected on the base 3, a cylindrical tank body 2 with two conical ends is arranged between the first frame 1 and the second frame 7, a pair of rotary drums 10 are arranged on the outer side of the cylinder of the tank body 2, one ends of the two rotary drums 10 close to the tank body 2 are fixedly connected with the tank body 2, one end of one rotary drum 10 far away from the tank body 2 is rotatably connected with the first frame 1, one end of the other rotary drum 10 far away from the tank body 2 is rotatably connected with the second frame 7, one end of the tank body 2 is provided with a feed pipe 15, the other end of the tank body 2 is provided with a discharge pipe 4, pipe caps 5 are respectively screwed on the discharge pipe 4 and the feed pipe 15, an anti-bonding block component is arranged in the tank body 2, the tank body 2 comprises a shell 11, an interlayer 12 and an inner container 14 from outside to inside, a heat-insulating layer is arranged between the shell 11 and the interlayer 12, glass wool is filled in the heat-bonding layer, a heating cavity 13 is arranged between the interlayer 12 and the inner container 14, a medium outlet pipe 8 and a medium inlet pipe 9 are arranged on the second rack 7, the medium outlet pipe 8 and the medium inlet pipe 9 are communicated with the heating cavity 13 through a rotary drum 10, a driving transmission assembly is arranged in the first rack 1, the driving end of the driving transmission assembly is connected with a rotary shaft 25, the outer end of the rotary shaft 25 penetrates through the first rack 1 in a rotating mode and is fixedly connected with the rotary drum 10 on the same side in a coaxial mode, a vacuum pipe 21 is arranged on the first rack 1, one end of the vacuum pipe 21 coaxially rotates to penetrate through the rotary drum 10 and is communicated with the inside of the tank body 2, the other end of the vacuum pipe 21 rotatably penetrates through the driving transmission assembly and is connected with a vacuum pump 22, the vacuum pump 22 is arranged on the outer side wall of the first rack 1, the vacuum pipe 21 is used for extracting solvents or water and other gases evaporated by the tank body 2, the vacuum pipe 21 is made of 1Cr18Ni9Ti, a filter is arranged at the communicated end of the vacuum pipe 21 and the tank body 2, and is coated with industrial polyester flannelette when the filter is used, so that the materials are prevented from being taken out.

The anti-blocking component comprises a transmission shell 16 arranged in a tank body 2, a transmission mechanism is arranged in the transmission shell 16, a driving rotating shaft 17 is obliquely arranged in the tank body 2, one end of the driving rotating shaft 17 is coaxially connected with a motor I6, the motor I6 is arranged on the outer side wall of the tank body 2, a storage battery 28 is arranged on the outer side wall of the tank body 2 and supplies power to the motor I6, the other end of the driving rotating shaft 17 penetrates through the transmission shell 16 in a rotating mode and is arranged on an inner container 14 in a rotating mode, a pair of driven rotating shafts 20 perpendicular to the driving rotating shaft 17 are arranged in the tank body 2, one ends, far away from the transmission shell 16, of the driven rotating shafts 20 are arranged on the inner container 14 in a rotating mode, one ends, close to the transmission shell 16, of the driven rotating shafts 20 are inserted into the transmission shell 16 in a rotating mode and are connected with the driving rotating shaft 17 through the transmission mechanism, spiral stirring paddles are coaxially arranged on the driving rotating shaft 17 and the driven rotating shafts 20, and when the anti-blocking component is used, the motor I6 is started, the initiative pivot 17 that motor 6 drive ann has the spiral stirring rake rotates, initiative pivot 17 rotates the in-process and drives the driven shaft 20 rotation of ann having the spiral stirring rake through drive mechanism, the initiative pivot 17 of ann having the spiral stirring rake and the driven shaft 20 of ann having the spiral stirring rake carry out the intensive mixing to the material in the jar body 2 simultaneously, solved on the one hand and condensed into cubic and lead to dry inhomogeneous problem because of the material, on the other hand has avoided the material to appear piling up in jar internal portion, and then has improved the quality of follow-up product.

The transmission mechanism comprises a driving bevel gear 18 coaxially and fixedly connected to a driving rotating shaft 17, a pair of driven bevel gears 19 are meshed on the driving bevel gear 18, the driven bevel gears 19 are coaxially and fixedly connected with corresponding driven rotating shafts 20 inserted into the transmission shell 16, a motor I6 drives the driving rotating shaft 17 to rotate, the driving rotating shaft 17 drives the driving bevel gear 18 to rotate in the rotating process, and the driving bevel gear 18 drives the driven rotating shafts 20 provided with spiral stirring paddles to rotate through the driven bevel gears 19.

The driving transmission assembly comprises a driven gear 24 coaxially fixedly connected with a rotating shaft 25, a driving gear 26 is meshed below the driven gear 24, a second motor 23 is coaxially connected to the driving gear 26, the second motor 23 adopts a four-pole motor, the second motor 23 is installed in a first rack 1, a through hole for the vacuum tube 21 to pass through is coaxially arranged on the driven gear 24, the second motor 23 is started, the second motor 23 drives the driving gear 26 to rotate, the driving gear 26 drives the rotating shaft 25 to rotate through the driven gear 24, the rotating shaft 25 drives the tank body 2 to rotate through the rotary drum 10, and then the materials are dried in the tank body 2 in a rotary mode.

A fixed limit column 27 coaxial with the rotary drum 10 is fixedly connected to the outer side wall of the second rack 7, one end of the fixed limit column 27 is hermetically inserted into the rotary drum 10, the rotary drum 10 is hermetically rotated on the fixed limit column 27, the rotary drum 10 is communicated with the heating cavity 13, a channel for a medium outlet pipe 8 and a medium inlet pipe 9 to pass through is arranged on the fixed limit column 27, the port parts of the medium outlet pipe 8 and the medium inlet pipe 9 are communicated with the rotary drum 10, heating media such as steam, hot water or hot oil are introduced into the medium inlet pipe 9 to play a role in heating materials, the inner container 14 is made of stainless steel 1Cr18Ni9Ti, and the inner part is polished to facilitate washing, so as to meet the requirement of aseptic drying of the materials, be beneficial to heat conduction and improve the drying rate.

When the drying device is used, a material to be dried is added into the tank body 2, the pipe cap 5 is closed, heating media such as steam, hot water or hot oil are introduced into the medium inlet pipe 9 to achieve the effect of heating the material, the inner container 14 is made of stainless steel 1Cr18Ni9Ti, the inner part of the inner container is polished to be convenient for flushing, the requirement of sterile drying of the material is met, heat conduction is facilitated, the drying rate is improved, the vacuum pump 22 is started, the vacuum pipe 21 enables the tank body 2 to reach a certain vacuum degree, the motor II 23 in the driving transmission assembly is started, the motor II 23 drives the driving gear 26 to rotate, the driving gear 26 drives the rotating shaft 25 to rotate through the driven gear 24, the rotating shaft 25 drives the tank body 2 to rotate through the rotating drum 10, the material is dried in the tank body 2 in a rotating mode, the material in the inner part is continuously turned over up and down during the rotating, and the material is continuously updated on the surface in contact with the inner container 14, thereby fully utilizing the heat conducted by the inner container 14, simultaneously, the vacuum degree in the tank body 2 can reach-0.096 Mpa, the menstruum in various materials including water can be rapidly vaporized at a lower temperature under the vacuum condition, the purpose of accelerating the drying of the materials is achieved, the materials are dried in a rotary way under the vacuum condition, the drying speed is accelerated, thereby the phenomenon of yellowing of the surfaces of the materials during drying is avoided, the drying time of the materials is greatly shortened, simultaneously, the motor I6 in the anti-blocking assembly is started, the motor I6 drives the driving rotating shaft 17 provided with the spiral stirring paddle to rotate, the driving rotating shaft 17 drives the driven rotating shaft 20 provided with the spiral stirring paddle to rotate through the transmission mechanism in the rotating process of the driving rotating shaft 17, the driving rotating shaft 17 provided with the spiral stirring paddle and the driven rotating shaft 20 provided with the spiral stirring paddle fully stir the materials in the tank body 2, on one hand, the problem of uneven drying caused by the materials being coagulated into blocks is solved, on the other hand, the accumulation of the materials in the tank body is avoided, and the quality of subsequent products is improved.

The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the utility model, and all such modifications and variations are within the scope of the utility model.

Claims

1. A double-cone rotary vacuum dryer for preparing a film coating premixing agent comprises a base (3) which is horizontally arranged, and is characterized in that a first rack (1) and a second rack (7) are fixedly connected to the base (3) correspondingly, a tank body (2) which is cylindrical in the middle and conical at two ends is arranged between the first rack (1) and the second rack (7), a pair of rotary drums (10) are arranged on the outer side of the cylinder of the tank body (2), one ends of the two rotary drums (10) close to the tank body (2) are fixedly connected with the tank body (2), one end of one rotary drum (10) far away from the tank body (2) is rotatably connected with the first rack (1), one end of the other rotary drum (10) far away from the tank body (2) is rotatably connected with the second rack (7), a feeding pipe (15) is arranged at one end of the tank body (2), a discharging pipe (4) is arranged at the other end of the tank body (2), pipe caps (5) are arranged on the discharging pipe (4) and the feeding pipe (15) in a threaded manner, an anti-blocking assembly is arranged in the tank body (2), the tank body (2) comprises a shell (11), an interlayer (12) and an inner container (14) from outside to inside, a heat insulation layer is arranged between the shell (11) and the interlayer (12), a heating cavity (13) is arranged between the interlayer (12) and the inner container (14), a medium outlet pipe (8) and a medium inlet pipe (9) are arranged on a second frame (7), the medium outlet pipe (8) and the medium inlet pipe (9) are communicated with the heating cavity (13) through a rotary drum (10), a driving transmission assembly is arranged in a first frame (1), a driving end of the driving transmission assembly is connected with a rotary shaft (25), the outer end of the rotary shaft (25) rotates to penetrate through the first frame (1) to be coaxially fixedly connected with the rotary drum (10) on the same side, a vacuum tube (21) is arranged on the first frame (1), one end of the vacuum tube (21) coaxially rotates to penetrate through the rotary drum (10) and is communicated with the inside of the tank body (2), the communicating end of the vacuum tube (21) and the tank body (2) is provided with a filter, the other end of the vacuum tube (21) rotatably penetrates through the driving transmission assembly and is connected with a vacuum pump (22), and the vacuum pump (22) is arranged on the outer side wall of the rack I (1).

2. The double-cone rotary vacuum dryer for preparing the film coating premix according to claim 1, characterized in that the anti-blocking component comprises a transmission shell (16) installed in the tank body (2), a transmission mechanism is installed in the transmission shell (16), a driving rotating shaft (17) is obliquely arranged in the tank body (2), one end of the driving rotating shaft (17) is coaxially connected with a motor I (6), the motor I (6) is installed on the outer side wall of the tank body (2), a storage battery (28) is installed on the outer side wall of the tank body (2), the storage battery (28) supplies power to the motor I (6), the other end of the driving rotating shaft (17) rotates to penetrate through the transmission shell (16) and is rotatably installed on the inner container (14), a pair of driven rotating shafts (20) perpendicular to the driving rotating shaft (17) is arranged in the tank body (2), one end of the driven rotating shaft (20) far away from the transmission shell (16) is rotatably installed on the inner container (14), one end of the driven rotating shaft (20) close to the transmission shell (16) is rotatably inserted into the transmission shell (16) and is connected with the driving rotating shaft (17) through a transmission mechanism, and spiral stirring paddles are coaxially arranged on the driving rotating shaft (17) and the driven rotating shaft (20).

3. The double-cone rotary vacuum dryer for preparing the film coating premix according to claim 2, wherein the transmission mechanism comprises a driving bevel gear (18) coaxially fixed on a driving rotating shaft (17), the driving bevel gear (18) is engaged with a pair of driven bevel gears (19), and the driven bevel gears (19) are coaxially fixed with corresponding driven rotating shafts (20) inserted into the transmission housing (16).

4. The double-cone rotary vacuum dryer for preparing the film coating premix according to claim 1, wherein the driving transmission assembly comprises a driven gear (24) coaxially fixedly connected with the rotating shaft (25), a driving gear (26) is engaged below the driven gear (24), a second motor (23) is coaxially connected to the driving gear (26), the second motor (23) is installed in the first frame (1), and a through hole for the vacuum tube (21) to pass through is coaxially formed in the driven gear (24).

5. The double-cone rotary vacuum dryer for preparing film coating premix according to claim 4, wherein the second motor (23) is a four-pole motor.

6. The double-cone rotary vacuum dryer for preparing film coating premix according to claim 1, wherein the thermal insulation layer is filled with glass wool.

7. The double-cone rotary vacuum dryer for preparing the film coating premix according to claim 1, wherein a fixed limit post (27) coaxial with the rotary drum (10) is fixedly connected to the outer side wall of the second frame (7), one end of the fixed limit post (27) is hermetically inserted into the rotary drum (10), the rotary drum (10) is hermetically rotated on the fixed limit post (27), the rotary drum (10) is communicated with the heating chamber (13), a channel for passing the medium outlet pipe (8) and the medium inlet pipe (9) is formed in the fixed limit post (27), and the end ports of the medium outlet pipe (8) and the medium inlet pipe (9) are communicated with the rotary drum (10).