CN220002975U - Centrifugal falling film evaporator - Google Patents
Centrifugal falling film evaporator Download PDFInfo
- Publication number
- CN220002975U CN220002975U CN202320367450.9U CN202320367450U CN220002975U CN 220002975 U CN220002975 U CN 220002975U CN 202320367450 U CN202320367450 U CN 202320367450U CN 220002975 U CN220002975 U CN 220002975U
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- China
- Prior art keywords
- rotary drum
- wall
- film evaporator
- falling film
- fixedly connected
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- 239000011552 falling film Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 239000010408 film Substances 0.000 abstract description 28
- 239000007788 liquid Substances 0.000 abstract description 24
- 238000001704 evaporation Methods 0.000 abstract description 18
- 230000008020 evaporation Effects 0.000 abstract description 16
- 239000011344 liquid material Substances 0.000 abstract description 16
- 230000009471 action Effects 0.000 abstract description 8
- 239000002002 slurry Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 239000010409 thin film Substances 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to the technical field of evaporation equipment, in particular to a centrifugal falling film evaporator which comprises a bottom plate and a rotating shaft, wherein the upper surface of the bottom plate is fixedly connected with a shell through bolts. According to the utility model, liquid materials are sprayed into the rotary drum through the first feeding pipe and the second feeding pipe, under the action of centrifugal force formed by high-speed rotation of the rotary drum, liquid is uniformly formed into a film on the inner wall of the rotary drum and flows downwards, in the process of flowing downwards, a liquid film exchanges heat with hot water in the water cavity through the inner wall of the rotary drum, the temperature of the liquid rises, the liquid is continuously evaporated, evaporated steam upwards leaves the rotary drum, and then the steam is discharged out of the shell through the steam outlet of the material. The liquid on the inner wall of the rotary drum is evaporated continuously from top to bottom, and is less and less, and finally, when the liquid reaches the lower end of the rotary drum, thick slurry is formed, is thrown onto the inner wall of the shell under the action of centrifugal force, and then flows out of the shell through the guide plate and the discharge pipe, so that evaporation is completed.
Description
Technical Field
The utility model relates to the technical field of evaporation equipment, in particular to a centrifugal falling film evaporator.
Background
With the rise of the chemical industry, evaporators have also been developed to a great extent, and evaporators currently used in industry are various, such as: kettle type evaporator, scraper type thin film evaporator, film transfer evaporator, falling film evaporator, multiple effect evaporator, MVR evaporator, siphon type evaporator, etc., wherein the thin film evaporator is widely applied evaporation, and the front scraper type thin film evaporator, film transfer evaporator and falling film evaporator all belong to the same type.
When these conventional thin film evaporators are carefully analyzed, it is not difficult to find that the thin film evaporator with a stirring blade is smeared with a film, and wall flow is formed in a place where the stirring blade cannot scrape, which affects the film forming effect. The film rotating evaporator rotates by the evaporating chamber to rotate the internal materials to form a film, and as the evaporated materials are always left in the evaporating chamber, the materials are more and more thick along with the evaporation, the film forming effect is influenced, the falling film evaporator forms a film by the material distribution at the inlet of the evaporator, the film is greatly influenced by the material distribution and the flow, and the film forming weakness of the evaporators is obvious, the evaporation efficiency is influenced to a certain extent, and the technical improvement is needed.
Accordingly, a centrifugal falling film evaporator is provided by those skilled in the art to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a centrifugal falling film evaporator, wherein liquid materials are sprayed into a rotary drum through a first feeding pipe and a second feeding pipe, under the action of centrifugal force formed by high-speed rotation of the rotary drum, liquid is uniformly formed into a film on the inner wall of the rotary drum and flows downwards, in the process of flowing downwards, a liquid film exchanges heat with hot water in a water cavity through the inner wall of the rotary drum, the temperature of the liquid rises, the evaporated steam upwards leaves the rotary drum and then is discharged out of a shell through a material steam outlet. The liquid on the inner wall of the rotary drum is evaporated continuously from top to bottom, and is less and less, and finally, when the liquid reaches the lower end of the rotary drum, thick slurry is formed, is thrown onto the inner wall of the shell under the action of centrifugal force, and then flows out of the shell through the guide plate and the discharge pipe, so that evaporation is completed.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a centrifugal falling film evaporator, includes bottom plate and pivot, the upper surface of bottom plate passes through bolt and casing fixed connection, the inside of casing is provided with the installation piece, the outer wall fixedly connected with installation piece of pivot, the middle part fixedly connected with servo motor of bottom plate lower surface one side, servo motor's output fixedly connected with first belt pulley, the outer wall fixedly connected with second belt pulley of pivot lower extreme, the outside cover of first belt pulley and second belt pulley is equipped with the drive belt, the inside of installation piece is provided with a plurality of rotary drums, the water cavity has all been seted up to the inside of rotary drum;
the upper end of the rotary drum is provided with a first water pipe, the lower end of the rotary drum is provided with a second water pipe, the upper end of the rotary shaft is provided with a water inlet groove, the lower end of the rotary shaft is provided with a water outlet groove, the upper surface of the shell is fixedly connected with a cover plate through bolts, the upper surface of the cover plate is provided with two first feeding pipes, the lower surface of each first feeding pipe is provided with a plurality of second feeding pipes, the lower ends of the second feeding pipes penetrate through the upper end of the rotary drum, the upper part of the outer wall of the mounting block is fixedly connected with a connecting ring, the upper part of the inner wall of the shell is fixedly connected with a limiting ring, and two sides of the inner part of the bottom plate are provided with discharging pipes;
when the centrifugal falling film evaporator is used, hot water exchanges heat with liquid materials through the rotary drum when flowing through the water cavity, heat is transferred to the liquid materials, the temperature of the liquid materials is increased, a heat source is provided for continuous evaporation of the liquid materials, meanwhile, the centrifugal falling film evaporator adopts a centrifugal film forming mode, film forming is quite uniform, and the materials enter from the upper part and exit from the lower part in the rotary drum without accumulation, so that the film forming effect is effectively improved, and the evaporation efficiency of the evaporator is successfully improved.
Further, a material steam outlet is formed in the upper portion of the outer wall of the front end of the shell;
through above-mentioned technical scheme, can make things convenient for steam discharge through material steam outlet.
Further, a guide plate is arranged at the bottom of the inner wall of the shell;
through the technical scheme, the thick slurry can be conveniently discharged out of the shell through the guide plate.
Further, the middle parts of the discharging pipes are provided with control valves;
through the technical scheme, the thick slurry can be controlled to be discharged out of the shell through the control valve.
Further, the four corners of the lower surface of the bottom plate are fixedly connected with supporting legs;
through above-mentioned technical scheme, can support the bottom plate through the supporting leg.
Further, the lower surfaces of the supporting legs are provided with supporting seats;
through above-mentioned technical scheme, can improve the stability of supporting leg through the supporting seat.
Further, the connecting ring is connected with the inner part of the limiting ring in a sliding way;
through above-mentioned technical scheme, can make the pivoted of installation piece more stable through sliding connection.
Further, a handle is fixed in the middle of one side of the upper surface of the cover plate;
through above-mentioned technical scheme, can conveniently open the apron through the handle.
The utility model has the following beneficial effects:
1. compared with the existing centrifugal falling film evaporator, when the centrifugal falling film evaporator is used, liquid materials are sprayed into the rotary drum through the first feeding pipe and the second feeding pipe, under the action of centrifugal force formed by high-speed rotation of the rotary drum, liquid is uniformly formed into a film on the inner wall of the rotary drum and flows downwards, in the process of flowing downwards, a liquid film exchanges heat with hot water in the water cavity through the inner wall of the rotary drum, the temperature of the liquid rises, the evaporated steam upwards leaves the rotary drum and is discharged out of the shell through the steam outlet of the materials. The liquid on the inner wall of the rotary drum is evaporated continuously from top to bottom, and is less and less, and finally, when the liquid reaches the lower end of the rotary drum, thick slurry is formed, is thrown onto the inner wall of the shell under the action of centrifugal force, and then flows out of the shell through the guide plate and the discharge pipe, so that evaporation is completed.
2. Compared with the existing centrifugal falling film evaporator, when the centrifugal falling film evaporator is used, hot water flows through the water cavity, heat is transferred to the liquid material through heat exchange of the rotary drum and the liquid material, so that the temperature of the liquid material is increased, a heat source is provided for continuous evaporation of the liquid material, meanwhile, the centrifugal film forming mode is adopted in the centrifugal falling film evaporator, film forming is quite uniform, the materials are fed in and discharged out from the upper part and the lower part of the rotary drum, the film forming effect is not accumulated, the film forming effect is effectively improved, and the evaporation efficiency of the evaporator is successfully improved.
3. Compared with the existing centrifugal falling film evaporator, the centrifugal falling film evaporator provided by the utility model has the advantages of ingenious structure, convenience in disassembly, higher evaporation efficiency and high practicality.
Drawings
FIG. 1 is an isometric view of a centrifugal falling film evaporator according to the present utility model;
FIG. 2 is a front cross-sectional view of a centrifugal falling film evaporator according to the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is an enlarged view at B in fig. 2.
Legend description:
1. a bottom plate; 2. a housing; 3. a servo motor; 4. a first pulley; 5. support legs; 6. a second pulley; 7. a transmission belt; 8. a mounting block; 9. a rotating drum; 10. a water chamber; 11. a first water pipe; 12. a second water pipe; 13. a rotating shaft; 14. a water inlet tank; 15. a water outlet tank; 16. a first feed tube; 17. a second feed tube; 18. a cover plate; 19. a handle; 20. a connecting ring; 21. a limiting ring; 22. a material steam outlet; 23. a deflector; 24. a discharge pipe; 25. a control valve; 26. and a supporting seat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled 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. 1-4, one embodiment provided by the present utility model is: the centrifugal falling film evaporator comprises a bottom plate 1 and a rotating shaft 13, wherein the upper surface of the bottom plate 1 is fixedly connected with a shell 2 through bolts, a mounting block 8 is arranged in the shell 2, the outer wall of the rotating shaft 13 is fixedly connected with the mounting block 8, the middle part of one side of the lower surface of the bottom plate 1 is fixedly connected with a servo motor 3, the output end of the servo motor 3 is fixedly connected with a first belt pulley 4, the outer wall of the lower end of the rotating shaft 13 is fixedly connected with a second belt pulley 6, a transmission belt 7 is sleeved outside the first belt pulley 4 and the second belt pulley 6, a plurality of rotary drums 9 are arranged in the mounting block 8, and water cavities 10 are formed in the rotary drums 9;
the upper end of rotary drum 9 is provided with first water pipe 11, the lower extreme of rotary drum 9 is provided with second water pipe 12, intake channel 14 has been seted up to the upper end of pivot 13, tub 15 has been seted up to the lower extreme of pivot 13, casing 2 upper surface passes through bolt fixedly connected with apron 18, the upper surface of apron 18 is provided with two first inlet pipes 16, the lower surface of first inlet pipe 16 is provided with a plurality of second inlet pipes 17, the lower extreme of second inlet pipe 17 all runs through to the inside of rotary drum 9 upper end, the upper portion fixedly connected with go-between 20 of installation piece 8 outer wall, the upper portion fixedly connected with spacing ring 21 of casing 2 inner wall, the both sides of bottom plate 1 inside all are provided with discharging pipe 24.
When the centrifugal falling film evaporator is used, hot water exchanges heat with liquid materials through the rotary drum 9 when flowing through the water cavity 10, heat is transferred to the liquid materials, the temperature of the liquid materials is increased, a heat source is provided for continuous evaporation of the liquid materials, meanwhile, the centrifugal falling film evaporator adopts a centrifugal film forming mode, film forming is quite uniform, and the materials enter and exit from top to bottom in the rotary drum 9 without accumulation, so that the film forming effect is effectively improved, and the evaporation efficiency of the evaporator is successfully improved.
The upper portion of casing 2 front end outer wall has seted up material steam outlet 22, can make things convenient for steam discharge through material steam outlet 22, the bottom of casing 2 inner wall is provided with guide plate 23, can make things convenient for thick liquid to discharge casing 2 through guide plate 23, the middle part of discharging pipe 24 all is provided with control valve 25, can control thick liquid to discharge casing 2 through control valve 25, four equal fixedly connected with supporting legs 5 in four corners of bottom plate 1 lower surface, can support bottom plate 1 through supporting legs 5, the lower surface of supporting legs 5 all is provided with supporting seat 26, can improve the stability of supporting legs 5 through supporting seat 26, go-between 20 and limit ring 21's inside sliding connection can make installation piece 8 pivoted more stable through sliding connection, the middle part of apron 18 upper surface one side is fixed with handle 19, can conveniently open apron 18 through handle 19.
Working principle: when the centrifugal falling film evaporator is used, liquid materials are sprayed into the rotary drum 9 through the first feeding pipe 16 and the second feeding pipe 17, under the action of centrifugal force formed by high-speed rotation of the rotary drum 9, liquid is uniformly formed into a film on the inner wall of the rotary drum 9 and flows downwards under the blocking of the rotary drum 9, in the process of flowing downwards, a liquid film exchanges heat with hot water in the water cavity 10 through the inner wall of the rotary drum 9, the temperature of the liquid rises, the liquid is evaporated continuously, evaporated steam leaves the rotary drum 9 upwards, and then the evaporated steam is discharged out of the shell 2 through the material steam outlet 22. The liquid on the inner wall of the rotary drum 9 continuously evaporates from top to bottom in the flowing process, less and less liquid is formed finally when reaching the lower end of the rotary drum 9, the concentrated slurry is thrown onto the inner wall of the shell 2 under the action of centrifugal force and flows out of the shell 2 through the guide plate 23 and the discharge pipe 24, so that evaporation is completed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a centrifugal falling film evaporator, includes bottom plate (1) and pivot (13), its characterized in that: the upper surface of bottom plate (1) passes through bolt and casing (2) fixed connection, the inside of casing (2) is provided with installation piece (8), the outer wall fixedly connected with installation piece (8) of pivot (13), the middle part fixedly connected with servo motor (3) of bottom plate (1) lower surface one side, the output fixedly connected with first belt pulley (4) of servo motor (3), the outer wall fixedly connected with second belt pulley (6) of pivot (13) lower extreme, the outside cover of first belt pulley (4) and second belt pulley (6) is equipped with drive belt (7), the inside of installation piece (8) is provided with a plurality of rotary drums (9), water cavity (10) have all been seted up to the inside of rotary drum (9);
the upper end of rotary drum (9) is provided with first water pipe (11), the lower extreme of rotary drum (9) is provided with second water pipe (12), intake channel (14) have been seted up to the upper end of pivot (13), outlet channel (15) have been seted up to the lower extreme of pivot (13), casing (2) upper surface passes through bolt fixedly connected with apron (18), the upper surface of apron (18) is provided with two first inlet pipes (16), the lower surface of first inlet pipe (16) is provided with a plurality of second inlet pipes (17), the inside to rotary drum (9) upper end is all run through to the lower extreme of second inlet pipe (17), the upper portion fixedly connected with go-between (20) of installation piece (8) outer wall, upper portion fixedly connected with spacing ring (21) of casing (2) inner wall, the inside both sides of bottom plate (1) all are provided with discharging pipe (24).
2. A centrifugal falling film evaporator according to claim 1, wherein: the upper part of the outer wall of the front end of the shell (2) is provided with a material steam outlet (22).
3. A centrifugal falling film evaporator according to claim 1, wherein: the bottom of the inner wall of the shell (2) is provided with a guide plate (23).
4. A centrifugal falling film evaporator according to claim 1, wherein: the middle parts of the discharging pipes (24) are respectively provided with a control valve (25).
5. A centrifugal falling film evaporator according to claim 1, wherein: the four corners of the lower surface of the bottom plate (1) are fixedly connected with supporting legs (5).
6. A centrifugal falling film evaporator according to claim 5, wherein: the lower surfaces of the supporting legs (5) are provided with supporting seats (26).
7. A centrifugal falling film evaporator according to claim 1, wherein: the connecting ring (20) is connected with the inner part of the limiting ring (21) in a sliding way.
8. A centrifugal falling film evaporator according to claim 1, wherein: a handle (19) is fixed in the middle of one side of the upper surface of the cover plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320367450.9U CN220002975U (en) | 2023-03-02 | 2023-03-02 | Centrifugal falling film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320367450.9U CN220002975U (en) | 2023-03-02 | 2023-03-02 | Centrifugal falling film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220002975U true CN220002975U (en) | 2023-11-14 |
Family
ID=88675561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320367450.9U Active CN220002975U (en) | 2023-03-02 | 2023-03-02 | Centrifugal falling film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220002975U (en) |
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2023
- 2023-03-02 CN CN202320367450.9U patent/CN220002975U/en active Active
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