CN110947197B - Distributing device for thin film evaporator - Google Patents
Distributing device for thin film evaporator Download PDFInfo
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- CN110947197B CN110947197B CN201911365300.9A CN201911365300A CN110947197B CN 110947197 B CN110947197 B CN 110947197B CN 201911365300 A CN201911365300 A CN 201911365300A CN 110947197 B CN110947197 B CN 110947197B
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- pipe
- evaporator
- distributing pipe
- distributing
- evaporimeter
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- 239000010409 thin film Substances 0.000 title claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims description 11
- 239000010408 film Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 64
- 238000001704 evaporation Methods 0.000 abstract description 20
- 230000008020 evaporation Effects 0.000 abstract description 20
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000005381 potential energy Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007701 flash-distillation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- B01D1/222—In rotating vessels; vessels with movable parts
-
- 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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to the field of thin film evaporation equipment, and discloses a distributing device for a thin film evaporator, which comprises a distributing pipe, an evaporator, a feeding pipe and a stirring rotating shaft, wherein the distributing pipe is movably sleeved at the top of an inner cavity of the evaporator, and the feeding pipe positioned at the distributing pipe is fixedly sleeved on the side surface of the evaporator. According to the distributing device for the thin film evaporator, through the design of the grooves formed in the distributing pipe, the distributing device is matched with the structures of the through grooves, the springs and the piston rings for use, so that materials added into the evaporator from the feeding pipe firstly enter the groove space, are uniformly mixed and dispersed, and then uniformly flow to the inner wall of the evaporator through the through grooves, the rapid heating of the materials by the evaporator is facilitated, and the evaporation efficiency is improved; simultaneously, the kinetic energy of the material that will get into the recess converts the elastic potential energy of spring into to when dialling the material to the inner wall of evaporimeter, the rebound rate of material is less, and the effectual steam that prevents to rise can not drive partial material and shift up, has ensured the evaporation quality of material.
Description
Technical Field
The invention relates to the field of film evaporation equipment, in particular to a distributing device for a film evaporator.
Background
The film evaporator is one kind of evaporator, it can make the material liquid flow in the form of film along the heating tube wall to make heat transfer and evaporation, it has the advantages of high heat transfer efficiency, quick evaporation speed and short material retention time, so that it is specially suitable for evaporation of heat-sensitive material, and its application range is wide, in which the top portion of inner cavity of film evaporator is usually equipped with a material distributor, and the material fed in the feeding tube can be uniformly sprayed onto the inner wall of evaporator, so that it is favourable for material to receive heating of inner wall of evaporator.
The working principle of the distributor for the existing thin film evaporator is as follows (refer to fig. 3): drive the rotation of leading to the groove by external motor drive stirring pivot 4 on the evaporimeter, add the material in to evaporimeter 2 through filling tube 3, the material is sprayed to the inclined plane of distributing pipe 1 perpendicularly on, utilizes the rotation that distributing pipe 1 drove flange 8, with the even inner wall of dialling to the evaporimeter of material, utilizes the heat source of evaporimeter outer wall department, heats the material, the vapor upstream and the material separation of production.
However, when the distributing device for the existing film evaporator is used, because the material in the feeding pipe 3 is added into the evaporator 2 through a certain pushing pressure, under the action of the pushing pressure, the kinetic energy of the material when contacting the rotating distributing pipe 1 and the convex plate 8 is large, so after the material is acted by the distributing pipe 1 and the convex plate 8, the bounce force when being pushed to the inner wall of the evaporator 2 is increased, the material which is easy to cause partial bounce flows out along with the steam, and the evaporation quality is influenced.
Disclosure of Invention
The invention provides a distributing device for a film evaporator, which has the advantage of good effect of uniform distribution of material heating and solves the technical problems in the background art.
The invention provides the following technical scheme: the utility model provides a distributing device for film evaporator, includes distributing pipe, evaporimeter, filling tube, stirring pivot, and distributing pipe activity suit is at the top of evaporimeter inner chamber, and the fixed filling tube that is located distributing pipe department of being equipped with of side of evaporimeter, and the middle part of evaporimeter inner chamber is equipped with the rotatory stirring pivot of drive rabbling mechanism, and the fixed suit of stirring pivot is in the inside of distributing pipe, a whole circle of recess has been seted up at the top on the outer edge of distributing pipe, and the inner wall laminating with the evaporimeter of the outer edge of distributing pipe topmost and bottommost, the one end of filling tube extends to the bottom of recess inner chamber, the logical groove that is located the recess below is all seted up to the both sides of distributing pipe bottom, and the bottom notch that leads to the groove inclines to the inner wall of evaporimeter.
Preferably, movable sleeve is equipped with the piston ring that is located the groove between distributing pipe and the evaporimeter, the outside of piston ring and the inside laminating of evaporimeter, and the inboard of piston ring and the outside laminating of distributing pipe, the top fixedly connected with suit of piston ring is at the spring on distributing pipe, and the top of spring and the top contact of distributing pipe upper groove
Preferably, the inner wall of the distributing pipe is provided with a heat insulating layer, and the heat insulating layer completely wraps the inner cavity of the distributing pipe.
Preferably, the clearance space between the inner cavity of the material distribution pipe and the stirring rotating shaft is larger than the space of the through groove, and the diameter of the bottom of the inner cavity of the material distribution pipe is uniformly reduced from bottom to top.
The invention has the following beneficial effects:
according to the distributing device for the thin film evaporator, through the design of the grooves formed in the distributing pipe, the distributing device is matched with the structures of the through grooves, the springs and the piston rings for use, so that materials added into the evaporator from the feeding pipe firstly enter the groove space, are uniformly mixed and dispersed, and then uniformly flow to the inner wall of the evaporator through the through grooves, the rapid heating of the materials by the evaporator is facilitated, and the evaporation efficiency is improved; meanwhile, the kinetic energy of the materials entering the groove is converted into the elastic potential energy of the spring, so that when the materials are pushed to the inner wall of the evaporator, the rebound rate of the materials is low, the rising steam is effectively prevented from driving part of the materials to move upwards, and the evaporation quality of the materials is guaranteed; the steam below the distributing pipe cannot flow upwards from the bottom of the through groove, so that the added materials are further prevented from being influenced by the steam, a flash evaporation phenomenon occurs, foam is eliminated, the materials can be ensured to be evaporated only along the heating surface, and the evaporation effect of the materials is further ensured; and steam that the material heating produced flows upward from the middle part of distributing pipe, can not flow back to the recess from the bottom that leads to the groove, ensures that hot steam can not influence and is located feed inlet department material, has avoided the material flash distillation that just gets into here, influences the evaporation problem of material, and it is completely isolated with the steam upflow channel through material admission passage, when having avoided the material to add, the steam flow that rises after the sputtering discharges, leads to the problem of material loss.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the distributor tube of the structure of FIG. 1 according to the present invention;
fig. 3 is a schematic structural view of a distributor for a conventional thin film evaporator.
In the figure: 1. a distributing pipe; 2. an evaporator; 3. a feed tube; 4. a stirring rotating shaft; 5. a through groove; 6. a spring; 7. a piston ring; 8. a convex plate.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a distributing device for a thin film evaporator comprises a distributing pipe 1, an evaporator 2, a feeding pipe 3 and a stirring rotating shaft 4, wherein the distributing pipe 1 is movably sleeved on the top of an inner cavity of the evaporator 2, the feeding pipe 3 positioned at the distributing pipe 1 is fixedly sleeved on the side surface of the evaporator 2, the stirring rotating shaft 4 for driving a stirring mechanism to rotate is arranged in the middle of the inner cavity of the evaporator 2, a fixing rod is connected between the stirring rotating shaft 4 and the inner wall of the distributing pipe 1, so that the distributing pipe 1 can rotate along with the stirring rotating shaft 4, a whole circle of groove is formed in the top of the outer edge of the distributing pipe 1, the outer edges of the top and the bottom of the distributing pipe 1 are attached to the inner wall of the evaporator 2, one end of the feeding pipe 3 extends to the bottom of the inner cavity of the groove, through grooves 5 positioned below the groove are formed in both sides of the bottom of the distributing pipe 1, and the bottoms of the through grooves 5 are inclined towards the inner wall of the evaporator 2, the material that adds in to evaporimeter 2 through filling tube 3 gets into the recess space earlier, and the mixing dispersion, under the rotation of distributing pipe 1 along with stirring pivot 4, the material flows to the inner wall of evaporimeter 2 through leading to groove 5 evenly, be favorable to utilizing evaporimeter 2 to heat the material fast, the evaporation efficiency is improved, meanwhile, the steam that the material heating produced flows upward from the middle part of distributing pipe 1, can not flow back to the recess from the bottom that leads to groove 5, ensure that hot steam can not influence and be located the material of feed inlet department, the material flash distillation of having avoided just getting into here, influence the evaporation problem of material, it is completely isolated with steam upflow channel through material admission passageway, when having avoided the material to add, discharge along with the steam flow that rises after the sputtering, lead to the problem of material loss.
Wherein, the piston ring 7 located in the groove is movably sleeved between the distributing pipe 1 and the evaporator 2, the outer side of the piston ring 7 is attached to the inside of the evaporator 2, the inner side of the piston ring 7 is attached to the outer side of the distributing pipe 1, the top of the piston ring 7 is fixedly connected with the spring 6 sleeved on the distributing pipe 1, and the top end of the spring 6 is contacted with the top of the groove on the distributing pipe 1, when raw materials are added into the inner cavity of the evaporator 2 through the charging pipe 3, the raw materials flow to the lower part of the distributing pipe 1 through the through groove 5, under the action of charging pressure, the pressure at the groove on the distributing pipe 1 is increased, so that the piston ring 7 moves upwards and is kept, the kinetic energy of the materials is converted into the elastic potential energy of the spring 6, thereby when the materials are stirred to the inner wall of the evaporator 2, the rebound rate of the materials is smaller, the materials are beneficial to heating and evaporation on the inner wall side of the evaporator 2, and simultaneously, the ascending steam can not drive part of the materials to move upwards, the evaporation quality of material has been ensured, and steam through distributing pipe 1 below can not follow the bottom upflow that leads to groove 5 and further ensured that the material of adding does not receive steam to influence, the flash distillation phenomenon appears, is favorable to the elimination of foam, ensures that the material can only evaporate along the heating surface, and then has ensured the evaporation effect of material.
Wherein, the inner wall of distributing pipe 1 is equipped with the insulating layer, and the inner chamber of distributing pipe 1 is wrapped up in to the insulating layer completely, when guaranteeing that the steam flow is through the inner chamber of distributing pipe 1, avoids distributing pipe 1 to absorb the heat of steam flow, heats the material that adds to the recess, prevents that the flash evaporation phenomenon from appearing in the material that adds in the recess, has ensured the steady operation of equipment.
Wherein, the clearance space between 1 inner chamber of cloth pipe and the stirring pivot 4 is greater than the space that leads to groove 5, and the diameter of 1 inner chamber bottom of cloth pipe evenly reduces by supreme down, is favorable to steam to pass through cloth pipe 1 fast, and does not stop in the bottom of cloth pipe 1, improves the flow efficiency of steam, and then improves the efficiency of material evaporation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a distributing device for film evaporator, including distributing pipe (1), evaporimeter (2), filling tube (3), stirring pivot (4), distributing pipe (1) activity suit is at the top of evaporimeter (2) inner chamber, and the fixed cover in side of evaporimeter (2) is equipped with filling tube (3) that are located distributing pipe (1) department, the middle part of evaporimeter (2) inner chamber is equipped with rotatory stirring pivot (4) of drive rabbling mechanism, the fixed suit in the inside of distributing pipe (1) of stirring pivot (4), its characterized in that: the top of the outer edge of the distributing pipe (1) is provided with a whole circle of groove, the outer edges of the top and bottom of the distributing pipe (1) are attached to the inner wall of the evaporator (2), one end of the charging pipe (3) extends to the bottom of the inner cavity of the groove, through grooves (5) positioned below the grooves are formed in the two sides of the bottom of the distributing pipe (1), and the bottom notches of the through grooves (5) are inclined towards the inner wall of the evaporator (2); the utility model discloses a cloth pipe, including cloth pipe (1), cloth pipe (2), piston ring (7) that are located the groove between the movable sleeve is equipped with between cloth pipe (1) and evaporimeter (2), the outside of piston ring (7) and the inside laminating of evaporimeter (2), and the inboard of piston ring (7) and the outside laminating of cloth pipe (1), the top fixedly connected with suit of piston ring (7) is spring (6) on cloth pipe (1), and the top of spring (6) and the top contact of cloth pipe (1) upper groove.
2. A distributor for a thin film evaporator as set forth in claim 1, wherein: the inner wall of the distributing pipe (1) is provided with a heat insulating layer, and the heat insulating layer completely wraps the inner cavity of the distributing pipe (1).
3. A distributor for a thin film evaporator as set forth in claim 1, wherein: the clearance space between distributing pipe (1) inner chamber and stirring pivot (4) is greater than the space that leads to the groove, and the diameter of distributing pipe (1) inner chamber bottom evenly reduces from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911365300.9A CN110947197B (en) | 2019-12-26 | 2019-12-26 | Distributing device for thin film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911365300.9A CN110947197B (en) | 2019-12-26 | 2019-12-26 | Distributing device for thin film evaporator |
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| Publication Number | Publication Date |
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| CN110947197A CN110947197A (en) | 2020-04-03 |
| CN110947197B true CN110947197B (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911365300.9A Active CN110947197B (en) | 2019-12-26 | 2019-12-26 | Distributing device for thin film evaporator |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112755556B (en) * | 2021-01-06 | 2022-03-18 | 扬州大学 | Wiped film evaporator and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH475776A (en) * | 1967-01-26 | 1969-07-31 | Bayer Ag | Conical thin-film apparatus |
| CN2501557Y (en) * | 2001-09-26 | 2002-07-24 | 沈善明 | Centrifugal conical vacuum film evaporimeter |
| CN101058040A (en) * | 2007-05-31 | 2007-10-24 | 常熟市春来机械有限公司 | Centrifugal type film evaporator |
| CN101936649A (en) * | 2010-09-09 | 2011-01-05 | 北京中矿环保科技股份有限公司 | Horizontal multi-shaft disc dryer |
| CN202149680U (en) * | 2011-06-20 | 2012-02-22 | 张家港市联鼎机械有限公司 | Heat generating device of thin film drying machine |
| CN205182210U (en) * | 2015-10-31 | 2016-04-27 | 武汉纽威晨创科技发展股份有限公司 | Centrifugation of multilayer disk type and gravity film forming microwave evaporation plant |
| CN108295495A (en) * | 2018-02-07 | 2018-07-20 | 亚申科技研发中心（上海）有限公司 | Liquid distribution trough and falling-film evaporation plant |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0698242B2 (en) * | 1989-07-26 | 1994-12-07 | 神鋼パンテツク株式会社 | Thin-film evaporator screw-blade discharge device |
| DE4207266B4 (en) * | 1991-04-11 | 2004-02-19 | Feres, Vaclav, Las Cruces | thin film evaporator |
| US9981201B2 (en) * | 2012-03-16 | 2018-05-29 | Mitsubishi Chemical Corporation | Vertical centrifugal thin film evaporator and monomer purification method |
| CN103785185B (en) * | 2014-02-11 | 2016-03-23 | 莱州市新力复合材料有限公司 | A kind of evaporation concentration system and method for concentration |
| CN204428859U (en) * | 2015-02-09 | 2015-07-01 | 三峡大学 | Centrifugal condensation device |
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2019
- 2019-12-26 CN CN201911365300.9A patent/CN110947197B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH475776A (en) * | 1967-01-26 | 1969-07-31 | Bayer Ag | Conical thin-film apparatus |
| CN2501557Y (en) * | 2001-09-26 | 2002-07-24 | 沈善明 | Centrifugal conical vacuum film evaporimeter |
| CN101058040A (en) * | 2007-05-31 | 2007-10-24 | 常熟市春来机械有限公司 | Centrifugal type film evaporator |
| CN101936649A (en) * | 2010-09-09 | 2011-01-05 | 北京中矿环保科技股份有限公司 | Horizontal multi-shaft disc dryer |
| CN202149680U (en) * | 2011-06-20 | 2012-02-22 | 张家港市联鼎机械有限公司 | Heat generating device of thin film drying machine |
| CN205182210U (en) * | 2015-10-31 | 2016-04-27 | 武汉纽威晨创科技发展股份有限公司 | Centrifugation of multilayer disk type and gravity film forming microwave evaporation plant |
| CN108295495A (en) * | 2018-02-07 | 2018-07-20 | 亚申科技研发中心（上海）有限公司 | Liquid distribution trough and falling-film evaporation plant |
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| CN110947197A (en) | 2020-04-03 |
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Effective date of registration: 20240222 Address after: No. 8 Fengxiang Road, Hefeng Town, Lishui District, Nanjing City, Jiangsu Province, 210000 Patentee after: JIANGSU JIA TAI EVAPORATION EQUIPMENT Co.,Ltd. Country or region after: China Address before: No. 49-1 Yuanliang Village, Dinggang Town, New District, Zhenjiang City, Jiangsu Province, 212000 Patentee before: Wang Yuan Country or region before: China |
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