CN209885271U - Wiped film evaporator - Google Patents
Wiped film evaporator Download PDFInfo
- Publication number
- CN209885271U CN209885271U CN201920424158.XU CN201920424158U CN209885271U CN 209885271 U CN209885271 U CN 209885271U CN 201920424158 U CN201920424158 U CN 201920424158U CN 209885271 U CN209885271 U CN 209885271U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- evaporator
- rotating shaft
- scraper
- jacket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a wiped film evaporator, it can solve current wiped film evaporator and have the relatively poor and relatively poor problem of gas-liquid separation effect of evaporation effect. It comprises an evaporator cylinder and a rotating shaft; the evaporator barrel is internally provided with a distributor corresponding to a material inlet, a rotating shaft is fixedly connected with a scraper, the scraper is in a single-blade spiral structure, the spiral surface of the scraper faces downwards, the inner side of the scraper is fixedly connected to the rotating shaft, the lateral edge of the scraper is equal to the transverse distance between the inner walls of the evaporator barrel, the scrapers are arranged in multiple layers at intervals along the height direction of the rotating shaft, two scrapers are arranged on the same layer and are opposite to each other, and the adjacent two layers of scrapers are arranged in a staggered; a demister is fixedly arranged on the rotating shaft between the distributor and the air outlet; the outer side wall of the evaporator cylinder body below the material inlet is wrapped with a jacket, a spiral baffle plate is fixedly connected between the inner wall of the jacket and the outer side wall of the evaporator cylinder body, the upper part of the jacket is provided with a hot water inlet, and the lower part of the jacket is provided with a hot water outlet.
Description
Technical Field
The utility model relates to a film evaporator field specifically is a wiped film evaporator.
Background
The film evaporator can be divided into a climbing-film evaporator, a falling-film evaporator and a wiped-film evaporator according to different film forming reasons and different flowing directions, raw material liquid in the wiped-film evaporator flows from top to bottom, a downward-rotating film is formed on the inner wall of an evaporator shell under the action of a scraper and self weight, heat exchange is carried out with the inner wall of the shell, final finished liquid is discharged from the bottom of the evaporator, and secondary steam is discharged from the upper part of the evaporator after gas-liquid separation. The scraper evaporator is widely applied to the fields of distillation, concentration, degassing and the like. However, the structure of the existing wiped film evaporator on the market is usually simpler, and the problem of poor evaporation effect still exists.
Disclosure of Invention
There is the relatively poor technical problem of evaporation effect to current wiped film evaporator, the utility model provides a wiped film evaporator, it can improve wiped film evaporator's evaporation effect.
The technical scheme is as follows: a wiped film evaporator characterized by: the evaporator comprises a vertical evaporator cylinder, wherein a rotating shaft coaxial with the evaporator cylinder is arranged in the evaporator cylinder, the upper end of the rotating shaft penetrates out of the evaporator cylinder and then is connected with the rotating power of a transmission device, and the lower end of the rotating shaft is rotationally connected with a bearing support fixed at the lower part of the evaporator cylinder through a bearing; the side surface of the upper part of the evaporator cylinder is respectively provided with an air outlet and a material inlet from top to bottom, and the bottom of the evaporator cylinder is provided with a material outlet; the evaporator barrel is internally provided with a distributor corresponding to the material inlet, a scraper is fixedly connected to the rotating shaft below the distributor along the height direction of the rotating shaft, the scraper is of a single-blade spiral structure, the spiral surface of the scraper faces downwards, the inner side of the scraper is fixedly connected to the rotating shaft, the transverse distance between the outer edge of the scraper and the inner wall of the evaporator barrel is equal, the scrapers are arranged in multiple layers at intervals along the height direction of the rotating shaft, two scrapers are arranged on the same layer and are opposite to each other, and the scrapers of two adjacent layers are arranged in a staggered manner; a demister is fixedly arranged on the rotating shaft between the distributor and the air outlet; the outer side wall of the evaporator cylinder body below the material inlet is wrapped with a jacket, a spiral baffle plate is fixedly connected between the inner wall of the jacket and the outer side wall of the evaporator cylinder body, the upper part of the jacket is provided with a hot water inlet, and the lower part of the jacket is provided with a hot water outlet.
It is further characterized in that:
the evaporator barrel body sequentially comprises a first cylinder, a conical cylinder, a short section, a second cylinder, a third cylinder and a sealing head from top to bottom, the gas outlet is formed in the side portion of the first cylinder, the material inlet is formed in the side portion of the short section, the material outlet is formed in the bottom of the sealing head, and the outer side walls of the second cylinder and the third cylinder are respectively wrapped with the jacket; the finned heat exchange tube and the demister are arranged in the cylinder I, the distributor is arranged in the short section, the scraper is arranged in the cylinder II and the cylinder III, and the bearing support is fixedly arranged in the seal head.
The transmission device comprises an explosion-proof motor and a cycloidal speed reducer, a rack is fixedly connected to the top surface of the evaporator cylinder, the explosion-proof motor and the cycloidal speed reducer are fixedly mounted on the rack, an output shaft of the explosion-proof motor is in transmission connection with an input shaft of the cycloidal speed reducer, and an output shaft of the cycloidal speed reducer is in transmission connection with the upper end of the rotating shaft.
The demister is a wire mesh type demister.
An ear seat is fixedly connected to the side wall of the cylinder I.
And a lifting lug is fixedly connected to the top surface of the evaporator cylinder.
The utility model has the advantages that:
the utility model discloses a scraper blade film evaporator, the material gets into the evaporimeter barrel and flows downwards after the distributor distributes again by the material import, because the scraper blade that sets up is single leaf helical structure, not only can realize the knifing effect, its helicoid can also play the guide effect to the material of downflow, make the material can be better film forming on the inner wall of evaporimeter barrel, and owing to set up spiral baffling board in pressing from both sides the cover, thereby it can spiral downward flow to get into the hot water that presss from both sides the cover by hot water import, the heat transfer time of extension hot water and evaporimeter barrel, improve the temperature of evaporimeter barrel lateral wall, thereby can finally improve the evaporation effect of material.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a plan view of the squeegee.
Reference numerals: 1-cylinder one; 2-a cone; 3-short section; 4-cylinder two; 5-cylinder three; 6-sealing the end; 7-a rotating shaft; 8-a frame; 9-explosion-proof motor; 10-a bearing; 11-a bearing support; 12-air outlet; 13-material inlet; 14-material outlet; 15-a distributor; 16-a scraper; 21-a demister; 22-a jacket; 23-a helical baffle; 24-hot water inlet; 25-hot water outlet; 27-ear mount; 28-lifting lug.
Detailed Description
Referring to fig. 1 to 2, the wiped film evaporator of the present invention comprises a vertical evaporator cylinder, which sequentially comprises a cylinder 1, a conical cylinder 2, a nipple 3, a cylinder two 4, a cylinder three 5 and a head 6 from top to bottom; the device comprises a cylinder 1, a conical cylinder 2 and a short section 3, wherein the short section 3 is integrally manufactured, and the short section 3 is fixedly connected with a cylinder II 4, the cylinder II 4 is fixedly connected with a cylinder III 5, and the cylinder III 5 is fixedly connected with an end enclosure 6 through flanges; a rotating shaft 7 coaxial with the evaporator cylinder is arranged in the evaporator cylinder, a rack 8 is fixedly connected to the top surface of the evaporator cylinder, an explosion-proof motor 9 and a cycloidal speed reducer are fixedly mounted on the rack 8, an output shaft of the explosion-proof motor 8 is in transmission connection with an input shaft of the cycloidal speed reducer, the upper end of the rotating shaft 7 penetrates through the top surface of the evaporator cylinder and is in transmission connection with an output shaft of the cycloidal speed reducer, and the lower end of the rotating shaft 7 is in rotary connection with a bearing support 11 fixed in the seal head 6 through a bearing 10; the side part of the cylinder I1 is provided with an air outlet 12, the side part of the short section 3 is provided with a material inlet 13, and the bottom of the seal head 6 is provided with a material outlet 14; the inner part of the short section 3 corresponding to the material inlet 13 is provided with a distributor 15, the rotating shaft 7 positioned in the cylinder II 4 and the cylinder III 5 is fixedly connected with a scraper 16 along the height direction thereof, the scraper 16 is of a single-blade spiral structure and has a spiral surface facing downwards, the inner side of the scraper 16 is fixedly connected on the rotating shaft 7, the lateral edge is equal to the transverse distance between the inner wall of the evaporator cylinder body, the scrapers 16 are arranged in multiple layers at intervals along the height direction of the rotating shaft 7, two scrapers 16 are arranged on the same layer and are opposite to each other, and the scrapers 16 of two adjacent layers are staggered; a demister 21 is fixedly arranged on the rotating shaft 7 between the distributor 15 and the air outlet 12, and the demister 21 is a wire mesh type demister; the outer side walls of the second cylinder 4 and the third cylinder 5 are respectively wrapped with a jacket 22, a spiral baffle plate 23 is fixedly connected between the inner wall of the jacket 22 and the outer side wall of the evaporator cylinder, the upper part of the jacket 22 is provided with a hot water inlet 24, and the lower part of the jacket 22 is provided with a hot water outlet 25.
Referring to fig. 1, the side wall of the cylinder 1 is fixedly connected with an ear seat 27, and the top surface of the cylinder 1 is fixedly connected with a lifting lug 28, so that the integral installation of the wiped film evaporator is facilitated.
Claims (6)
1. A wiped film evaporator characterized by: the evaporator comprises a vertical evaporator cylinder, wherein a rotating shaft coaxial with the evaporator cylinder is arranged in the evaporator cylinder, the upper end of the rotating shaft penetrates out of the evaporator cylinder and then is connected with the rotating power of a transmission device, and the lower end of the rotating shaft is rotationally connected with a bearing support fixed at the lower part of the evaporator cylinder through a bearing; the side surface of the upper part of the evaporator cylinder is respectively provided with an air outlet and a material inlet from top to bottom, and the bottom of the evaporator cylinder is provided with a material outlet; the evaporator barrel is internally provided with a distributor corresponding to the material inlet, a scraper is fixedly connected to the rotating shaft below the distributor along the height direction of the rotating shaft, the scraper is of a single-blade spiral structure, the spiral surface of the scraper faces downwards, the inner side of the scraper is fixedly connected to the rotating shaft, the transverse distance between the outer edge of the scraper and the inner wall of the evaporator barrel is equal, the scrapers are arranged in multiple layers at intervals along the height direction of the rotating shaft, two scrapers are arranged on the same layer and are opposite to each other, and the scrapers of two adjacent layers are arranged in a staggered manner; a demister is fixedly arranged on the rotating shaft between the distributor and the air outlet; the outer side wall of the evaporator cylinder body below the material inlet is wrapped with a jacket, a spiral baffle plate is fixedly connected between the inner wall of the jacket and the outer side wall of the evaporator cylinder body, the upper part of the jacket is provided with a hot water inlet, and the lower part of the jacket is provided with a hot water outlet.
2. The wiped film evaporator of claim 1 wherein: the evaporator barrel body sequentially comprises a first cylinder, a conical cylinder, a short section, a second cylinder, a third cylinder and a sealing head from top to bottom, the gas outlet is formed in the side portion of the first cylinder, the material inlet is formed in the side portion of the short section, the material outlet is formed in the bottom of the sealing head, and the outer side walls of the second cylinder and the third cylinder are respectively wrapped with the jacket; the demister is arranged in the cylinder I, the distributor is arranged in the nipple, the scraper is arranged in the cylinder II and the cylinder III, and the bearing support is fixedly arranged in the seal head.
3. The wiped film evaporator of claim 1 wherein: the transmission device comprises an explosion-proof motor and a cycloidal speed reducer, a rack is fixedly connected to the top surface of the evaporator cylinder, the explosion-proof motor and the cycloidal speed reducer are fixedly mounted on the rack, an output shaft of the explosion-proof motor is in transmission connection with an input shaft of the cycloidal speed reducer, and an output shaft of the cycloidal speed reducer is in transmission connection with the upper end of the rotating shaft.
4. The wiped film evaporator of claim 1 wherein: the demister is a wire mesh type demister.
5. A wiped film evaporator according to claim 2 wherein: an ear seat is fixedly connected to the side wall of the cylinder I.
6. The wiped film evaporator of claim 1 wherein: and a lifting lug is fixedly connected to the top surface of the evaporator cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920424158.XU CN209885271U (en) | 2019-04-01 | 2019-04-01 | Wiped film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920424158.XU CN209885271U (en) | 2019-04-01 | 2019-04-01 | Wiped film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209885271U true CN209885271U (en) | 2020-01-03 |
Family
ID=68998351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920424158.XU Active CN209885271U (en) | 2019-04-01 | 2019-04-01 | Wiped film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209885271U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530105A (en) * | 2020-04-03 | 2020-08-14 | 温州正展机械有限公司 | Thin film evaporator |
| CN113893565A (en) * | 2021-09-23 | 2022-01-07 | 河北华环化工设备制造有限公司 | Efficient corrosion-resistant self-cleaning type scraper evaporator |
-
2019
- 2019-04-01 CN CN201920424158.XU patent/CN209885271U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530105A (en) * | 2020-04-03 | 2020-08-14 | 温州正展机械有限公司 | Thin film evaporator |
| CN113893565A (en) * | 2021-09-23 | 2022-01-07 | 河北华环化工设备制造有限公司 | Efficient corrosion-resistant self-cleaning type scraper evaporator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209885271U (en) | Wiped film evaporator | |
| CN206535387U (en) | A kind of hypergravity Cross-Flow Rotating Packed Bed with fluid-tight | |
| EP0162828B1 (en) | Heat exchanger | |
| CN101306258A (en) | Highly effective spin-rectifying bed | |
| CN208406128U (en) | The double-deck material filling type packed tower | |
| CN202173801U (en) | Multi-stage absorption type high-gravity revolving bed | |
| CN216230346U (en) | Film line cooling circulation system for BOPP film production | |
| CN109539830B (en) | Shell-and-tube heat exchanger with variable tube diameter | |
| CN103418155A (en) | High-gravity rotating packed bed device used for rectification | |
| CN109876483A (en) | A kind of modified scrapper thin film evaporator | |
| CN217424031U (en) | Regenerative cooling tower | |
| CN203030028U (en) | Calandria type liquid distributor and cooling tower using same | |
| CN213313416U (en) | System for separating and purifying alcohol ester twelve | |
| RU2577677C2 (en) | Method and device for condensation of fluid medium | |
| CN212309086U (en) | Baffle plate type steam-water separation device | |
| CN207101934U (en) | A kind of slotted disk tubular type gas-liquid distributor | |
| CN211025726U (en) | Multistage baffling orifice plate spray tower | |
| CN210813995U (en) | Liquid collector of rectifying and separating tower | |
| CN112980494A (en) | Stripper kettle for petroleum resin production and preparation | |
| CN220194016U (en) | Trichloromethane rectifying device | |
| CN201179356Y (en) | High-efficiency rotating distillation bed | |
| RU100203U1 (en) | SCREW HEAT EXCHANGER | |
| CN202581941U (en) | U-shaped tube heat exchanger | |
| RU47505U1 (en) | HEAT AND MASS EXCHANGE UNIT BLOCK | |
| CN205014697U (en) | Evaporative condenser structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |