CN109432810A - Horizontal single self-cleaning film evaporator - Google Patents
Horizontal single self-cleaning film evaporator Download PDFInfo
- Publication number
- CN109432810A CN109432810A CN201811476509.8A CN201811476509A CN109432810A CN 109432810 A CN109432810 A CN 109432810A CN 201811476509 A CN201811476509 A CN 201811476509A CN 109432810 A CN109432810 A CN 109432810A
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- China
- Prior art keywords
- cylinder
- scraper
- wall
- hollow spindle
- film evaporator
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a kind of horizontal single self-cleaning film evaporators, including cylinder, cylinder lumen is horizontally arranged with hollow spindle, the interior scraper of several spiral shape sequences and the scraper outside wall of several spiral shapes sequence is axially distributed in cylinder on hollow spindle, and each interior scraper and scraper is spaced apart from each other setting respectively outside wall, the inner wall side of cylinder, if two sides or dry side are provided with several axial directions and column distribution fixed doctor, one or more groups of fixed doctors in cylinder in same radial section are located at interior scraper and between scrapers outside wall, each fixed doctor is connect by knife handle with cylinder inboard wall, interior scraper is connect by blade plate with hollow spindle outer wall, scraper is connect by groomed oar impeller with hollow spindle outer wall outside wall.The application, which has, solves the problems, such as that heat exchange area per unit volume is few, passes through interior scraper, scraper, fixed doctor, blade plate, the interconnection of groomed oar impeller and positional relationship outside wall, Lai Zengjia heat exchange area.
Description
Technical field
The present invention relates to a kind of fluid processing equipment, especially a kind of horizontal single self-cleaning film evaporator.
Background technique
To highly viscous fluid evaporation and concentration, devolatilization, deaeration technique process, traditional method is to fall a formula devolatilization kettle, vertical
It is handled in the equipment such as scraper film evaporator.With subtracting for the volatilization of volatile component in product and residual monomer amount
Few, the viscosity of product gradually increases, and removes solvent and deaeration is more and more difficult.Therefore, which is in high vacuum
Lower progress, to reduce the partial pressure of Volatile Colstituent in the gas phase as much as possible.In order to improve production capacity, increase melt specific surface
Product and raising Surface Renewal rate, and then increase the diffusion rate of volatile component in the melt as the key for improving rate.
The prior art and its deficiency:
1) it falls a formula and takes off brightness kettle, material is introduced by charge pipe, is distributed to cloth tray, is flowed out by many apertures, is pulled out
Many columns increase the gentle area that is in contact of material with this, are taken away solvent by high vacuum, but material from distribution grid to
Bottom is difficult to realize relatively good technological effect by one cycle, needs to return to recycle stock apart from limited, molten for removing
It is not very properly, to require to material viscosity range that agent, which requires relatively high product, it is desirable that during the material of good fluidity is applicable in
The material of low viscosity is handled；Since material cannot be contacted directly with cylinder collet, heat exchange efficiency is lower；
2) vertical scraper formula thin film evaporator, be the formula that falls take off brightness kettle on the basis of increase agitating shaft rotation and band scrape
Wall is introduced by charge pipe, is distributed through the cloth tray in the middle part of shaft, then feed liquid is swept by paddle and scraped, and applies on heat transfer wall
Film forming, film layer can be thinned after by thermal evaporation.The slurries that the feed liquid that enters afterwards is then come by after again, which are swept, to be scraped, and forms new film, re-evaporation,
It carries out repeatedly.Feed liquid is gradually concentrated, and is finally drawn off by discharge cone.The material of equally applicable middle low viscosity is handled, viscosity compared with
Height is to will appear material winding main shaft, and scraper back material dead angle is larger, and clustering phenomena is serious etc., and effective heat exchange area is limited.
Summary of the invention
The object of the invention is to provide a kind of horizontal single self-cleaning film steaming to solve the deficiency in background technique
Device is sent out, which is to be capable of increasing melt specific surface area when carrying out under a high vacuum and improve Surface Renewal rate,
And then increase the diffusion rate of volatile component in the melt.
In order to achieve the above objectives, the present invention adopts the following technical scheme: a kind of horizontal single self-cleaning film evaporator, packet
Cylinder is included, cylinder lumen is horizontally arranged with hollow spindle, and several spiral shape sequences are axially distributed in cylinder on hollow spindle
The scraper outside wall of interior scraper and the sequence of several spiral shapes, and each interior scraper and scraper is spaced apart from each other setting, cylinder respectively outside wall
If inner wall side, two sides or the dry side of body are provided with several axial directions and column distribution fixed doctor, in cylinder in same radial section
One or more groups of fixed doctors be located at interior scraper and between scraper outside wall, each fixed doctor is connected by knife handle and cylinder inboard wall
It connects, interior scraper is connect by blade plate with hollow spindle outer wall, and scraper passes through groomed oar impeller and hollow spindle outer wall outside wall
Connection.
For a kind of optimization of the invention, the fixed doctor section in abnormal shape comprising transverse part, vertical part and along axis cross
Portion connect on the left of transverse part with cylinder inboard wall by knife handle, and vertical part upper end is connected as one with transverse part right end, lower end and horizontal along axis
Portion's right end is connected as one；The transverse part is located at the inside scraper of cylinder diameter and between scraper outside wall；Its vertical part is located at blade plate
Close to groomed oar impeller side between groomed oar impeller；Along axis transverse part between blade plate and groomed oar impeller hollow spindle
Radial outside.
For a kind of optimization of the invention, end cap is externally provided with gland seal assembly, and the main shaft both ends extend through end cap, and stretch
The outer one end of end cap is equipped with gland seal assembly out, and the outer left side of cylinder is equipped with spindle motor, and the power output end of spindle motor is through gear
The end transmission connection of the side axle sealing assembly is stretched out after case speed change with hollow spindle, hollow spindle stretches out other side gland seal assembly
End is connected with rotary joint, and the radial upside in cylinder one end is provided with the material inlet being connected to cylinder lumen, other end diameter
The material outlet being connected to cylinder lumen is provided with to downside.
For a kind of optimization of the invention, material outlet is provided with gear pump, is provided with discharging machine below cylinder, discharges
The power output end of motor is sequentially connected by the power intake of speed reducer and Hooks coupling universal coupling and gear pump.
For a kind of optimization of the invention, the one end of the power output end of spindle motor after gear-box speed change is through shaft coupling
Device, bearing block and main shaft stretch out the end transmission connection of the side axle sealing assembly.
For a kind of optimization of the invention, rearview mirror assemblies are installed on the upside of cylinder.
For a kind of optimization of the invention, successively reduced along scraper in each group of cylinder discharging direction solid with opposite each group
Determine spacing between the transverse part of scraper.
For a kind of optimization of the invention, the cylinder is horizontal vessel, is provided with pedestal, cylinder, gear-box below
Installation settings is on pedestal.
For a kind of optimization of the invention, if side, two sides or dry side are provided with several axial directions and divide side by side on the wall of cylinder
The installing port of cloth, each installing port are connected separately with sealing mounting flange, and the fixed doctor passes through knife handle and sealing mounting flange
It is connected and fixed in cylinder.
For a kind of optimization of the invention, interior scraper, scraper towards cylinder inboard wall side offers several recessed swords outside wall
Mouthful.
Compared with the background technology, the present invention, comprising:
1, solve the problems, such as that heat exchange area per unit volume is few, by interior scraper, outside wall scraper, fixed doctor, blade plate,
Groomed oar impeller is connected with each other and positional relationship, Lai Zengjia heat exchange area；
2, continuous mass production may be implemented, material is not in back mixing phenomenon, does not newly affect advance into material afterwards
Material；
3, it solves material and embraces agitating shaft, dead angle, cylinder wall built-up phenomenon behind scraper；
4, production capacity is improved, melt specific surface area is increased and improves Surface Renewal rate；
Detailed description of the invention
Fig. 1 is the structural schematic diagram of horizontal single self-cleaning film evaporator.
Fig. 2 is A-A cross-sectional view.
Fig. 3 is cylinder, interior scraper, the connection relationship diagram between scraper outside wall, fixed doctor, hollow spindle.
Fig. 4 is B enlarged diagram.
Fig. 5 is C enlarged drawing.
Specific embodiment
Embodiment 1: referring to Fig.1 with 2.A kind of horizontal single self-cleaning film evaporator, including cylinder 1,1 inner cavity of cylinder are horizontal
To hollow spindle 2 is provided with, the interior scraper 4 and several spiral shells of several spiral shape sequences is axially distributed in cylinder 1 on hollow spindle 2
Revolve scraper 5 outside wall of shape sequence, and each interior scraper 4 and scraper 5 is spaced apart from each other setting, the inner wall one of cylinder 1 respectively outside wall
If side, two sides or dry side are provided with several axial directions and column distribution fixed doctor 6, one group in cylinder 1 in same radial section or
Multiple groups fixed doctor 6 is located at interior scraper 4 and along between scraper 5, each fixed doctor 6 is connected by knife handle 64 and 1 inner wall of cylinder outside wall
It connects, interior scraper 4 is connect by blade plate 41 with 2 outer wall of hollow spindle, and scraper 5 passes through groomed oar impeller 51 and hollow master outside wall
The connection of 2 outer wall of axis.The one end of the power output end of spindle motor 8 after 9 speed change of gear-box is through shaft coupling 17, bearing block 18 and sky
Heart main shaft 2 stretches out the end transmission connection of the side axle sealing assembly 7.Rearview mirror assemblies 18 are installed on the upside of cylinder 1.The cylinder 2 is
Horizontal vessel is provided with pedestal 19 below, and cylinder 1,9 installation settings of gear-box are on pedestal 19.Along 1 discharging direction of cylinder
Each group in scraper 4 successively reduce the spacing between the transverse part of opposite each group fixed doctor 6.Interior scraper 4,5 court of scraper outside wall
Several recessed cutting edges 100 are offered to 1 inner wall side of cylinder.
6 section of fixed doctor in abnormal shape comprising transverse part 61, vertical part 62 and on the left of axis transverse part 63, transverse part 61 lead to
Knife handle 64 is crossed to connect with 1 inner wall of cylinder, 62 upper end of vertical part is connected as one with 61 right end of transverse part, lower end with it is right along axis transverse part 63
End is connected as one；The transverse part 61 is located at the inside scraper 4 of 1 diameter of cylinder and along outside wall between scraper 5；Its vertical part 62 is located at blade
Close to 51 side of groomed oar impeller between plate 41 and groomed oar impeller 51；It is located at blade plate 41 and groomed oar impeller along axis transverse part 63
2 radial outside of hollow spindle between 51.
End cap 3 is externally provided with gland seal assembly 7, and 2 both ends of hollow spindle extend through end cap 3, and stretch out the outer one end of end cap 3
Gland seal assembly 7 is installed, the outer left side of cylinder 1 is equipped with spindle motor 8, and the power output end of spindle motor 8 is after 9 speed change of gear-box
The end for stretching out the side axle sealing assembly 7 with hollow spindle 2 is sequentially connected, and hollow spindle stretches out the end of other side gland seal assembly 7
It is connected with rotary joint 10, the radial upside in 1 one end of cylinder is provided with the material inlet 11 being connected to 1 inner cavity of cylinder, the other end
Radial downside is provided with the material outlet 12 being connected to 1 inner cavity of cylinder.Material outlet 12 is provided with gear pump 13,1 lower section of cylinder
It is provided with discharging machine 14, the power output end of discharging machine 14 passes through speed reducer 15 and Hooks coupling universal coupling 16 and gear pump 13
Power intake transmission connection.
If side, two sides or dry side are provided with the installing port 20 of several axial directions and column distribution, each installing port on the wall of cylinder 1
20 are connected separately with sealing mounting flange 21, and the fixed doctor 6 is connected and fixed on by knife handle 61 and sealing mounting flange 21
In cylinder 1.
The application horizontal single self-cleaning film evaporator is continous way operation, and material enters cylinder from 11 left side of material inlet
Body, material are taken up using blade plate 41 and groomed oar impeller 51, and membrane or wire drawing state are formed in cylinder 1, so that increasing
Material and the area of gas phase increase, and reduce the partial pressure of Volatile Colstituent in the gas phase as much as possible using high vacuum, while material is logical
It crosses interior scraper 4, the intermeshing of scraper 5 and fixed doctor 6 and cleaning function extruding repeatedly and pullled outside wall, improve boundary
Face turnover rate has the characteristics of heat exchange area to improve heat exchange efficiency using blade plate 41, groomed oar impeller 51 and 1 inner wall of cylinder；
Hollow spindle is sorted using scraper spiral shape, and monolithic film membrane evaporator is made to generate axial propulsive force to material, and material advances almost
Close to plug flow, (different mix is realized in the sequence that can adjust scraper according to the demand of technique in single batch production process
Close and promote effect), material is controlled well in the cylinder intracorporal residence time；The rectifying of the viscous material of height, evaporation and concentration, reaction,
The technical process such as devolatilization, deaeration are commonly used and arrive.Material discharging then transports material to next process section using gear pump 13；If
It is mediated on standby agitating paddle with interior scraper 4 and the fixed doctor installed along 1 wall of scraper 5 outside wall and cylinder, from dynamic operating conditions
Entire mixed system mixes down for no dead angle.Interior scraper 4 and scraper 5 can clean two end faces of cylinder outside wall, interior scraper 4 can
To clean cylinder inboard wall, interior scraper 4 and outside wall the cooperation of scraper 5 can clean operating with peace and quiet fixed doctor 6, fixed doctor 6
Axis and agitating paddle impeller side and interior scraper 4, outside wall scraper 5 back dead angle, special design structure makes him can be with
The front and back sides of peace and quiet dynamic scraper.
It is to be understood that: although the present embodiment contrasts detailed description to the present invention, these explanations, only
It is to simple declaration of the invention, rather than limiting the invention, any invention without departing from true spirit is created
It makes, each falls within protection scope of the present invention.
Claims (10)
1. a kind of horizontal single self-cleaning film evaporator, it is characterised in that including cylinder (1), cylinder (1) inner cavity is laterally arranged
Have hollow spindle (2), cylinder (1) both ends are provided with end cap (3), and several spiral shells are axially distributed on cylinder (1) interior hollow spindle (2)
Revolve the interior scraper (4) of shape sequence and the scraper outside wall (5) of several spiral shapes sequence, and each interior scraper (4) and the scraper outside wall
(5) be spaced apart from each other setting respectively, cylinder (1) if inner wall side, two sides or dry side be provided with several axial directions and column distribution is fixed
Scraper (6), one or more groups of fixed doctors (6) in cylinder (1) in same radial section are located at interior scraper (4) and scrape with outside wall
Between knife (5), each fixed doctor (6) is connect by knife handle (64) with cylinder (1) inner wall, and interior scraper (4) passes through blade plate (41)
It is connect with hollow spindle (2) outer wall, scraper (5) is connect by groomed oar impeller (51) with hollow spindle (2) outer wall outside wall.
2. horizontal single self-cleaning film evaporator according to claim 1, it is characterised in that the fixed doctor (6) is cut
Face is in abnormal shape comprising transverse part (61), vertical part (62) and along axis transverse part (63) pass through knife handle (64) and cylinder on the left of transverse part (61)
(1) inner wall connects, and vertical part (62) upper end is connected as one with transverse part (61) right end, and lower end is connect with along axis transverse part (63) right end
It is integrated；The transverse part (61) is located at the inside scraper of cylinder (1) diameter (4) and between scraper outside wall (5)；Its vertical part (62) is located at
Close to groomed oar impeller (51) side between blade plate (41) and groomed oar impeller (51)；It is located at blade plate along axis transverse part (63)
(41) hollow spindle (2) radial outside between groomed oar impeller (51).
3. horizontal single self-cleaning film evaporator according to claim 1, it is characterised in that end cap (3) is externally provided with axle envelope
Component (7), hollow spindle (2) both ends extend through end cap (3), and stretch out end cap (3) outer one end and be equipped with gland seal assembly
(7), cylinder (1) outside left side be equipped with spindle motor (8), the power output end of spindle motor (8) after gear-box (9) speed change with sky
Heart main shaft (2) stretches out the end transmission connection of the side axle sealing assembly (7), and hollow spindle stretches out the end of other side gland seal assembly (7)
Portion is connected with rotary joint (10), and the radial upside in cylinder (1) one end is provided with the material inlet being connected to cylinder (1) inner cavity
(11), the radial downside of the other end is provided with the material outlet (12) being connected to cylinder (1) inner cavity.
4. horizontal single self-cleaning film evaporator according to claim 3, it is characterised in that material outlet (12) setting
Have gear pump (13), is provided with discharging machine (14) below cylinder (1), the power output end of discharging machine (14) passes through speed reducer
(15) and the power intake of Hooks coupling universal coupling (16) and gear pump (13) is sequentially connected.
5. horizontal single self-cleaning film evaporator according to claim 3, it is characterised in that the power of spindle motor (8)
Side axle envelope is stretched out through shaft coupling (17), bearing block (18) and hollow spindle (2) in the one end of output end after gear-box (9) speed change
The end of component (7) is sequentially connected.
6. horizontal single self-cleaning film evaporator according to claim 1, it is characterised in that be equipped on the upside of cylinder (1)
Rearview mirror assemblies (18).
7. horizontal single self-cleaning film evaporator according to claim 2, it is characterised in that along cylinder (1) discharging side
To each group in scraper (4) successively reduce the spacing between the transverse part of opposite each group fixed doctor (6).
8. horizontal single self-cleaning film evaporator according to claim 3, it is characterised in that the cylinder (2) is horizontal
Container is provided with pedestal (19) below, and cylinder (1), gear-box (9) installation settings are on pedestal (19).
9. horizontal single self-cleaning film evaporator according to claim 1, it is characterised in that one on the wall of cylinder (1)
If side, two sides or dry side are provided with the installing port (20) of several axial directions and column distribution, each installing port (20) is connected separately with sealing
Mounting flange (21), the fixed doctor (6) are connected and fixed on cylinder (1) by knife handle (61) and sealing mounting flange (21)
It is interior.
10. horizontal single self-cleaning film evaporator according to claim 1, it is characterised in that interior scraper (4), outside wall
Scraper (5) offers several recessed cutting edges (100) towards cylinder (1) inner wall side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476509.8A CN109432810A (en) | 2018-12-05 | 2018-12-05 | Horizontal single self-cleaning film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476509.8A CN109432810A (en) | 2018-12-05 | 2018-12-05 | Horizontal single self-cleaning film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109432810A true CN109432810A (en) | 2019-03-08 |
Family
ID=65557519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811476509.8A Pending CN109432810A (en) | 2018-12-05 | 2018-12-05 | Horizontal single self-cleaning film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109432810A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777661A (en) * | 2021-02-08 | 2021-05-11 | 常州科滤水处理科技有限公司 | Concentrated solution drying device |
| CN113896867A (en) * | 2021-11-16 | 2022-01-07 | 东华大学 | Method for synthesizing polylactic acid from lactic acid in one step and polylactic acid synthesized by method |
| US12102939B2 (en) | 2019-06-12 | 2024-10-01 | Aurotec Gmbh | Thin-layer treatment device |
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| EP0274668A1 (en) * | 1986-12-19 | 1988-07-20 | List AG | Kneading mixer |
| CN102942688A (en) * | 2012-08-31 | 2013-02-27 | 上海聚友化工有限公司 | Single-shaft/shaft-free high-viscosity polyester continuous production device |
| CN205182213U (en) * | 2015-12-03 | 2016-04-27 | 连云港市德邦化工机械有限公司 | Film evaporator |
| CN107051355A (en) * | 2017-03-30 | 2017-08-18 | 山东里德工程技术有限公司 | A kind of single shaft self-cleaning reactor |
| CN209809541U (en) * | 2018-12-05 | 2019-12-20 | 杭州索孚机械有限公司 | Horizontal unipolar automatically cleaning film evaporator |
| CN113318692A (en) * | 2021-07-11 | 2021-08-31 | 江苏胜开尔工业技术有限公司 | Self-cleaning type kneading reactor |
-
2018
- 2018-12-05 CN CN201811476509.8A patent/CN109432810A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274668A1 (en) * | 1986-12-19 | 1988-07-20 | List AG | Kneading mixer |
| CN102942688A (en) * | 2012-08-31 | 2013-02-27 | 上海聚友化工有限公司 | Single-shaft/shaft-free high-viscosity polyester continuous production device |
| CN205182213U (en) * | 2015-12-03 | 2016-04-27 | 连云港市德邦化工机械有限公司 | Film evaporator |
| CN107051355A (en) * | 2017-03-30 | 2017-08-18 | 山东里德工程技术有限公司 | A kind of single shaft self-cleaning reactor |
| CN209809541U (en) * | 2018-12-05 | 2019-12-20 | 杭州索孚机械有限公司 | Horizontal unipolar automatically cleaning film evaporator |
| CN113318692A (en) * | 2021-07-11 | 2021-08-31 | 江苏胜开尔工业技术有限公司 | Self-cleaning type kneading reactor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12102939B2 (en) | 2019-06-12 | 2024-10-01 | Aurotec Gmbh | Thin-layer treatment device |
| CN112777661A (en) * | 2021-02-08 | 2021-05-11 | 常州科滤水处理科技有限公司 | Concentrated solution drying device |
| CN113896867A (en) * | 2021-11-16 | 2022-01-07 | 东华大学 | Method for synthesizing polylactic acid from lactic acid in one step and polylactic acid synthesized by method |
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Effective date of registration: 20230602 Address after: No. 19-28, Zhonggang Avenue, Huaxi Street, Changxing County, Huzhou City, Zhejiang Province, 313000 Applicant after: Zhejiang Suofu Technology Co.,Ltd. Address before: 310000 Dushan Industrial Zone, Siwei village, Chongxian street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: HANGZHOU SUOFU MACHINERY Co.,Ltd. |