CN113509741A

CN113509741A - Centrifugal film evaporator

Info

Publication number: CN113509741A
Application number: CN202111067141.1A
Authority: CN
Inventors: 王庆; 刘必东; 蔡静; 尤宴刚; 王跃明; 王振军; 唐秋燕
Original assignee: Changshu Chunlai Machine Co ltd
Current assignee: Changshu Chunlai Machine Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2021-10-19
Anticipated expiration: 2041-09-13
Also published as: CN113509741B

Abstract

The invention belongs to the technical field of evaporation equipment, and particularly relates to a centrifugal film evaporator which aims at solving the problems that the centrifugal film evaporator in the prior art is low in working efficiency, inconvenient to clean the inner wall of a machine body thoroughly, easy to generate residual materials, and influences the quality of subsequent materials and reduces the using effect of the centrifugal film evaporator. The invention realizes that the evaporation body is carried by the spacer sleeve to rotate along with the main shaft by connecting the spacer sleeve with the main shaft, thereby shortening the evaporation time of the material on the evaporation body and ensuring the liquid film to be uniform, thereby being beneficial to improving the evaporation efficiency and the effect, realizing the uniform distribution of the material by driving the material spray pipe to rotate, and driving the scraper plate to rotate and vibrate to efficiently clean the residual material.

Description

Centrifugal film evaporator

Technical Field

The invention relates to the technical field of evaporation equipment, in particular to a centrifugal film evaporator.

Background

The centrifugal thin film evaporator has the advantage of short evaporation time, and can complete the evaporation process only within 1 second or even less than 1 second, thereby ensuring that the extract is kept in the original state and is not changed. Because of numerous materials, some materials such as Chinese wolfberry pigment, lycopene in sunset and carotene have strong heat sensitivity, the nature of the materials can change when the temperature is high and the time is long, the quality can be influenced if the temperature is high, and the materials are scrapped if the temperature is high, so that the boiling point temperature of a solvent is reduced by vacuumizing during extraction, and because the film has high evaporation flow rate and high heat transfer efficiency, and each square meter can reach about 5000 kilocalories, the centrifugal film evaporator has the advantages of high working efficiency, energy conservation and production capacity improvement.

However, the centrifugal thin film evaporator in the prior art has low working efficiency, is inconvenient for thoroughly cleaning the inner wall of the evaporator body, is easy to generate residual materials, influences the quality of subsequent materials and reduces the using effect, so that the centrifugal thin film evaporator is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the defects that the centrifugal film evaporator in the prior art is low in working efficiency, inconvenient to thoroughly clean the inner wall of a machine body, easy to generate residual materials, influenced in quality of subsequent materials and reduced in using effect.

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

a centrifugal film evaporator comprises an evaporator shell and a rotary drum, wherein a motor is fixedly mounted on one side of the evaporator shell, a main shaft is fixedly connected onto an output shaft of the motor, a spacer sleeve is fixedly sleeved on the outer side of the main shaft, an evaporation body is fixedly sleeved on the outer side of the spacer sleeve, one side of the rotary drum is provided with an opening, a partition plate is fixedly mounted in the rotary drum, one end of the main shaft is fixedly connected onto one side of the partition plate, the top and the bottom of the rotary drum are respectively communicated with a spray pipe, a one-way valve is fixedly mounted on the spray pipe, a through hole is formed in one side of the partition plate, a one-way valve is fixedly mounted in the through hole, a piston plate is slidably mounted in the rotary drum, a sealing gasket is fixedly mounted on one side of the piston plate, two inclined rods are fixedly mounted on the inner wall of one side of the evaporator shell, one end of each inclined rod is fixedly mounted with the same fixed shaft, and one end of the fixed shaft is fixedly mounted with a circular plate, a side plate is fixedly arranged on one side of the circular plate, a roller wheel is rotatably arranged at the bottom of the side plate and is connected with the other side of the piston plate in a rolling way, two sliding holes are arranged on the other side of the rotary drum, L-shaped plates are arranged in the two sliding holes in a sliding manner, rotating plates are fixedly arranged on the sides, away from each other, of the two L-shaped plates, a plurality of scraping plates are fixedly arranged on the sides, away from each other, of the two rotating plates, and one side of the L plate is fixedly provided with a push plate, the inner wall of the top part and the inner wall of the bottom part of the rotary drum are both rotatably provided with a vertical shaft and a rotating shaft, the vertical shaft is fixedly provided with a first gear and a cam, the two cams are respectively connected with one side of the corresponding push plate in a rolling way, and the two rotating shafts are both fixedly provided with a second gear and a first bevel gear, the two first gears are respectively meshed with the corresponding second gears, and a second bevel gear is fixedly arranged on the fixed shaft and meshed with the two first bevel gears.

Preferably, the inner walls of the top and the bottom of the evaporator shell are fixedly provided with mounting rods, one end of each mounting rod close to the other mounting rod is fixedly provided with the same box body, and the box bodies are sealed and sleeved on the outer sides of the rotating drum and the main shaft in a rotating manner.

Preferably, the top and the bottom of the box body are respectively communicated with a material inlet pipe and a flushing water pipe, and one side of the evaporator shell is communicated with a concentrate outlet pipe.

Preferably, a limiting plate is fixedly mounted on the inner wall of the top of the rotary drum, a limiting groove is formed in the top of the piston plate, the inner walls on two sides of the limiting groove are fixedly connected with the same limiting rod, and the limiting plate is sleeved on the outer side of the limiting rod in a sliding mode.

Preferably, one side of the limiting plate is fixedly connected with two pressure springs, and one ends of the two pressure springs are fixedly connected to the inner wall of one side of the limiting groove.

Preferably, the other side of the push plate is fixedly connected with a return spring, and one end of each of the two return springs is fixedly connected to the side wall of the rotary drum.

Preferably, one side of each rotating plate, which is close to each other, is provided with a groove, the top and the bottom of each rotating plate are fixedly provided with a convex plate, and the two convex plates are respectively connected in the corresponding grooves in a sliding manner.

Preferably, a round hole is formed in the other side of the rotating drum, and the fixed shaft is rotatably and hermetically connected in the round hole.

According to the centrifugal thin film evaporator, the spacer bush is connected with the main shaft, so that the evaporation body is carried by the spacer bush to rotate along with the main shaft, the evaporation time of materials on the evaporation body is shortened, a liquid film is uniform, the evaporation efficiency and the evaporation effect are improved, and compared with a horizontal type structure, the centrifugal thin film evaporator is convenient to feed and take materials and convenient to observe;

according to the centrifugal thin film evaporator, materials are sucked into the rotary drum by driving the piston plate to reciprocate, and are sprayed out of the continuously rotating spray pipe, so that the uniform distribution degree of the materials is improved;

according to the centrifugal thin film evaporator, the plurality of scrapers are driven to rotate and vibrate in a reciprocating mode, so that the inner wall of the evaporator shell is swept in a reciprocating mode, and material residues are prevented.

Drawings

Fig. 1 is a schematic perspective view of a centrifugal thin film evaporator according to the present invention;

FIG. 2 is a schematic cross-sectional view of a centrifugal thin film evaporator according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 2;

FIG. 5 is a schematic structural diagram of a rotary drum, a rotary plate and a spray pipe according to the present invention;

fig. 6 is a schematic structural view of a circular plate, a roller and a piston plate according to the present invention.

In the figure: 1. an evaporator enclosure; 2. feeding the material into a pipe; 3. a motor; 4. a main shaft; 5. a rotating drum; 6. a box body; 7. flushing the water pipe; 8. a concentrate outlet pipe; 9. rotating the plate; 10. a squeegee; 11. an evaporation body; 12. a spacer sleeve; 13. a nozzle; 14. a partition plate; 15. a fixed shaft; 16. a circular plate; 17. a roller; 18. a limiting groove; 19. a limiting plate; 20. a vertical axis; 21. a first gear; 22. a second gear; 23. a first bevel gear; 24. a second bevel gear; 25. a cam; 26. pushing the plate; 27. an L plate; 28. a piston plate; 29. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, a centrifugal thin film evaporator comprises an evaporator shell 1 and a rotary drum 5, wherein a motor 3 is fixedly installed on one side of the evaporator shell 1, a main shaft 4 is fixedly connected to an output shaft of the motor 3, a spacer 12 is fixedly sleeved on the outer side of the main shaft 4, an evaporator body 11 is fixedly sleeved on the outer side of the spacer 12, one side of the rotary drum 5 is provided with an opening, a partition 14 is fixedly installed in the rotary drum 5, one end of the main shaft 4 is fixedly connected to one side of the partition 14, the top and the bottom of the rotary drum 5 are both communicated with a spray pipe 13, a one-way valve is fixedly installed on the spray pipe 13, one side of the partition 14 is provided with a through hole, a one-way valve is fixedly installed in the through hole, a piston plate 28 is slidably installed in the rotary drum 5, a sealing gasket is fixedly installed on one side of the piston plate 28, two inclined rods are fixedly installed on the inner wall of one side of the evaporator shell 1, and one end of the two inclined rods is fixedly installed with a same fixed shaft 15, a circular plate 16 is fixedly arranged at one end of the fixed shaft 15, a side plate is fixedly arranged at one side of the circular plate 16, a roller 17 is rotatably arranged at the bottom of the side plate, the roller 17 is connected to the other side of the piston plate 28 in a rolling manner, two sliding holes are formed in the other side of the rotary drum 5, L plates 27 are slidably arranged in the two sliding holes, a rotary plate 9 is fixedly arranged at one side of each L plate 27, a plurality of scraping plates 10 are fixedly arranged at one side of each rotary plate 9, a push plate 26 is fixedly arranged at one side of each L plate 27, a vertical shaft 20 and a rotating shaft 29 are rotatably arranged on the inner wall of the top and the inner wall of the bottom of the rotary drum 5, a first gear 21 and a cam 25 are fixedly arranged on the vertical shaft 20, the two cams 25 are respectively connected to one side of the corresponding push plate 26 in a rolling manner, a second gear 22 and a first bevel gear 23 are fixedly arranged on each rotating shaft 29, the two first gears 21 are respectively meshed with the corresponding second gears 22, the fixed shaft 15 is fixedly provided with a second bevel gear 24, and the second bevel gear 24 is meshed with the two first bevel gears 23.

In this embodiment, equal fixed mounting has the installation pole on the top inner wall of evaporimeter casing 1 and the bottom inner wall, and the one end fixed mounting that two installation poles are close to each other has same box 6, and box 6 rotates the sealed outside of cup jointing at rotary drum 5 and main shaft 4.

In this embodiment, the top and the bottom of box 6 communicate respectively has the material to advance pipe 2 and wash water pipe 7, and one side intercommunication of evaporimeter casing 1 has concentrate outlet pipe 8, is convenient for carry out the feeding and the ejection of compact to the raw materials.

In this embodiment, fixed mounting has limiting plate 19 on the top inner wall of rotary drum 5, and spacing groove 18 has been seted up at the top of piston plate 28, and the same gag lever post of fixedly connected with on the both sides inner wall of gag lever post 18, limiting plate 19 slide to cup joint in the outside of gag lever post for piston plate 28 and rotary drum 5 synchronous rotation.

In this embodiment, two pressure springs are fixedly connected to one side of the limiting plate 19, and one ends of the two pressure springs are fixedly connected to the inner wall of one side of the limiting groove 18 to reset the piston plate 28.

In this embodiment, the other side fixedly connected with reset spring of push pedal 26, the equal fixed connection of one end of two reset springs is on the lateral wall of rotary drum 5, resets push pedal 26.

In this embodiment, two one sides that change board 9 and be close to each other all are seted up flutedly, and the equal fixed mounting in top and the bottom of rotary drum 5 has the flange, and two flanges are sliding connection respectively in the recess that corresponds, lead to changeing board 9.

In this embodiment, a circular hole is formed in the other side of the rotating drum 5, and the fixing shaft 15 is rotatably and hermetically connected in the circular hole to rotatably position the rotating drum 5.

In the embodiment, when the material spraying device is used, a material is introduced into the box body 6 through the material inlet pipe 2, the motor 3 is started, the output shaft of the motor 3 drives the main shaft 4 to rotate, the main shaft 4 drives the rotary drum 5 to synchronously rotate through connection with the partition plate 14, the rotary drum 5 drives the piston plate 28 to synchronously rotate through matching of the limit plate 19 and the limit groove 18, the roller 17 drives the piston plate 28 to slide to the left in the rotary drum 5 through abutting against the piston plate 28 and compresses the pressure spring, the piston plate 28 reversely resets and moves under the action of the pressure spring after continuing to rotate, the piston plate 28 continuously rotates so as to reciprocate from side to side in the rotary drum 5, under the matching action of the two check valves, the material is sucked into the rotary drum 5 when the piston plate 28 moves to the right, the material is pressed into the spray pipe 13 to be sprayed when the piston plate 28 moves to the left, and the spray pipe 13 is driven to rotate by the rotary drum 5 in the process of spraying the material, the materials are sprayed to different angles to realize the uniform distribution of the materials, the rotating drum 5 drives the rotating plate 9 to synchronously rotate through the sliding fit with the L plate 27 so as to drive the materials to carry out centrifugal work, meanwhile, the main shaft 4 drives the spacer 12 and the evaporation body 11 to rotate so as to evaporate the materials, the materials can smoothly form a uniform liquid film under the action of centrifugal force, the time is very short, the treated materials are guided away by the concentrate outlet pipe 8 so as to be convenient for the processing of the next procedure, the washing water can be guided into the washing water pipe 7 and the motor 3 is started after the processing is finished, the reciprocating movement of the piston plate 28 can suck the washing water into the rotating drum 5 and spray out the washing water from the spray pipe 13 to wash the inner wall of the evaporator shell 1, simultaneously, the rotating drum 5 drives the rotating shaft 29 and the first bevel gear 23 to rotate around the fixed shaft 15, the second bevel gear 24 drives the two rotating shafts 29 to rotate through the meshing with the two first bevel gears 23, two pivot 29 drive two vertical axes 20 and two cams 25 through second gear 22 and the meshing that corresponds first gear 21 respectively and rotate, and cam 25 drives two L boards 27 and two commentaries on classics boards 9 through the butt with push pedal 26 and under reset action of reset spring and carries out left and right round vibration to drive reciprocal vibration when a plurality of scraper blades 10 pivoted, thereby carry out reciprocal sweep clearance to the inner wall of evaporimeter casing 1, prevent that the material from remaining.

Claims

1. The centrifugal film evaporator comprises an evaporator shell (1) and a rotary drum (5), and is characterized in that a motor (3) is fixedly mounted on one side of the evaporator shell (1), a main shaft (4) is fixedly connected onto an output shaft of the motor (3), a spacer sleeve (12) is fixedly sleeved on the outer side of the main shaft (4), an evaporator body (11) is fixedly sleeved on the outer side of the spacer sleeve (12), one side of the rotary drum (5) is provided with an opening, a partition plate (14) is fixedly mounted in the rotary drum (5), one end of the main shaft (4) is fixedly connected onto one side of the partition plate (14), the top and the bottom of the rotary drum (5) are both communicated with a spray pipe (13), a one-way valve is fixedly mounted on the spray pipe (13), a through hole is formed in one side of the partition plate (14), a one-way valve is fixedly mounted in the through hole, a piston plate (28) is slidably mounted in the rotary drum (5), a sealing pad is fixedly installed on one side of the piston plate (28), two inclined rods are fixedly installed on the inner wall of one side of the evaporator shell (1), one end of each inclined rod is fixedly installed with the same fixed shaft (15), one end of each fixed shaft (15) is fixedly installed with a circular plate (16), one side of each circular plate (16) is fixedly installed with a side plate, the bottom of each side plate is rotatably installed with a roller (17), each roller (17) is connected to the other side of the piston plate (28) in a rolling mode, two sliding holes are formed in the other side of the rotary drum (5), L plates (27) are slidably installed in the two sliding holes, a rotary plate (9) is fixedly installed on one side, away from each other, of the two L plates (27), a plurality of scraping plates (10) are fixedly installed on one side, away from each other, a push plate (26) is fixedly installed on one side of each L plate (27), a vertical shaft (20) and a rotating shaft (29) are rotatably installed on the inner wall of the top and the inner wall of the bottom of the rotary drum (5), first gears (21) and cams (25) are fixedly mounted on the vertical shaft (20), the two cams (25) are respectively connected to one side of the corresponding push plate (26) in a rolling mode, second gears (22) and first bevel gears (23) are fixedly mounted on the two rotating shafts (29), the two first gears (21) are respectively meshed with the corresponding second gears (22), second bevel gears (24) are fixedly mounted on the fixing shaft (15), and the second bevel gears (24) are meshed with the two first bevel gears (23).

2. A centrifugal thin film evaporator according to claim 1, characterized in that the top inner wall and the bottom inner wall of the evaporator shell (1) are both fixedly provided with mounting rods, one end of the two mounting rods close to each other is fixedly provided with a box body (6), and the box body (6) is rotatably sealed and sleeved on the outer sides of the rotary drum (5) and the main shaft (4).

3. A centrifugal thin film evaporator according to claim 2 characterized in that the top and bottom of the tank (6) are connected to the feed pipe (2) and the flushing pipe (7) respectively, and one side of the evaporator shell (1) is connected to the concentrate outlet pipe (8).

4. The centrifugal thin film evaporator as claimed in claim 1, wherein a limiting plate (19) is fixedly mounted on the inner wall of the top of the rotary drum (5), a limiting groove (18) is formed in the top of the piston plate (28), the same limiting rod is fixedly connected to the inner walls of two sides of the limiting groove (18), and the limiting plate (19) is slidably sleeved on the outer side of the limiting rod.

5. A centrifugal thin film evaporator according to claim 4, characterized in that two compression springs are fixedly connected to one side of the limiting plate (19), and one ends of the two compression springs are fixedly connected to the inner wall of one side of the limiting groove (18).

6. A centrifugal thin film evaporator according to claim 1 in which the push plate (26) is fixedly connected at its other side to return springs, both return springs being fixedly connected at one end to the side wall of the drum (5).

7. A centrifugal thin film evaporator according to claim 1, characterized in that the two rotating plates (9) are provided with grooves on their sides adjacent to each other, and the top and bottom of the rotating cylinder (5) are fixedly provided with convex plates which are slidably connected in the corresponding grooves.

8. A centrifugal thin film evaporator according to claim 1, characterized in that the other side of the rotary drum (5) is provided with a circular hole, and the fixed shaft (15) is rotatably and hermetically connected in the circular hole.