CN105727581A - Steam heating type multilayered thin film evaporator - Google Patents
Steam heating type multilayered thin film evaporator Download PDFInfo
- Publication number
- CN105727581A CN105727581A CN201610311048.3A CN201610311048A CN105727581A CN 105727581 A CN105727581 A CN 105727581A CN 201610311048 A CN201610311048 A CN 201610311048A CN 105727581 A CN105727581 A CN 105727581A
- Authority
- CN
- China
- Prior art keywords
- thermal medium
- layers
- main shaft
- limiting plate
- swivel mount
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title abstract description 7
- 239000010409 thin film Substances 0.000 title abstract 6
- 238000001704 evaporation Methods 0.000 claims abstract description 31
- 230000008020 evaporation Effects 0.000 claims abstract description 26
- 239000010413 mother solution Substances 0.000 claims description 24
- 239000006200 vaporizer Substances 0.000 claims description 20
- 230000000630 rising effect Effects 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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
- B01D1/223—In rotating vessels; vessels with movable parts containing a rotor
- B01D1/225—In rotating vessels; vessels with movable parts containing a rotor with blades or scrapers
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/103—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of more than two coaxial conduits or modules of more than two coaxial conduits
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a steam heating type multilayered thin film evaporator. A shell body of the multilayered thin film evaporator internally comprises three layers of evaporation barrel cores which are embedded and distributed from inside to outside, a limiting plate for fixing the three layers of evaporation barrel cores, a feeding pipe, a heating medium inlet pipe and a heating medium outlet pipe which are fixed under the limiting plate in sequence in a manner of staggering, a rotary frame main shaft penetrating through the centers of the three layers of evaporation barrel cores, a rotary frame which is fixed on the rotary frame main shaft and can rotate along the rotary frame main shaft, and a motor assembly which is connected onto the top of the rotary frame main shaft and can drive the rotary frame main shaft to rotate, wherein a sealed space is formed in the shell body of the multilayered thin film evaporator through an upper end socket and a lower end socket; and the axes of the three layers of evaporation barrel cores are the same. With the adoption of the steam heating type multilayered thin film evaporator provided by the embodiment of the invention, the total heat transferring area of the thin film evaporator can be enlarged.
Description
Technical field
The present invention relates to evaporator applications, particularly relate to a kind of steam-heated plural layers vaporizer.
Background technology
Existing membrane evaporator is mainly made up of chuck, cylinder, end socket, material distributor, motor and transmission main shaft, rotor segment etc..During membrane evaporator work, material is distributed to the heating wall of evaporator tube inwall through vaporizer top by material distributor, material is continuously and uniformly spread to the uniform liquid film of thickness by the scraper plate that motor and main shaft are rotated on cylinder inboard wall, walks to add thermal medium in chuck.The significant advantage of this membrane evaporator is to define membranaceous turbulence state on material cylinder inboard wall evaporating surface, greatly improves heat transfer coefficient.But owing to motor is arranged on membrane evaporator top, rotating main shaft to be fixed by the bearing of base of evaporator, therefore that transmission main shaft rigid requirements is higher, the height limiting membrane evaporator can not be too high, barrel dliameter can not be too big, thus the total heat conduction area of membrane evaporator cannot be accomplished very big.
Summary of the invention
The purpose of embodiment of the present invention is in that to provide a kind of steam-heated plural layers vaporizer, to increase the total heat conduction area of membrane evaporator.
For achieving the above object, embodiment of the present invention provides a kind of steam-heated plural layers vaporizer, including in the housing of described plural layers vaporizer is the inside and outside nested three layers evaporative cylinder core being distributed, for fixing the limiting plate of described three layers evaporative cylinder core, the staggered feed pipe being fixed under described limiting plate successively, add thermal medium inlet pipe, add thermal medium exit tube, run through the swivel mount main shaft at described three layers evaporative cylinder core center, it is fixed on described swivel mount main shaft and can with the swivel mount of described swivel mount main axis, it is connected to the top of described swivel mount main shaft and described swivel mount main shaft can be driven to carry out the electric machine assembly rotated, the housing of described plural layers vaporizer constitutes confined space by upper cover and low head, wherein, the axial line of described three layers evaporative cylinder core is all identical.
Further, every layer of cylinder core in described three layers evaporative cylinder core all include parallel distribution mother solution rising passway, add thermal medium enter passage, add thermal medium passing away, evaporation channel and thermal insulation areas, wherein, described thermal insulation areas enters between passage at described mother solution rising passway and the described thermal medium that adds, the side of described evaporation channel is limited by evaporating wall, described in add thermal medium enter passage separated by dividing plate between thermal medium passing away with described adding.
Further, described mother solution rising passway, adding thermal medium and enter passage and add the bottom of thermal medium passing away each through cover closure, the bottom of described evaporation channel is open design.
Further, described limiting plate is circular configuration, and the circle centre position of described limiting plate offers center hole, and described limiting plate diametrically offers the manhole of predetermined number, and described limiting plate along the circumferential direction offers some arc strip through holes.
Further, described feed pipe, add thermal medium inlet pipe, add thermal medium exit tube is provided with the comb suitable with the manhole on described limiting plate, wherein, comb on described feed pipe connects through the cover plate bottom corresponding manhole and described mother solution rising passway, the described comb that adds on thermal medium inlet pipe enters the cover plate of channel bottom through corresponding manhole connect with the described thermal medium that adds, described in the comb that adds on thermal medium exit tube connect through corresponding manhole and the described cover plate added bottom thermal medium passing away.
Further, the bottom of described swivel mount main shaft through the center hole on described limiting plate and is fixed by bearing.
Further, described swivel mount is provided with three cantilevers, it is mutually 120 degree between described three cantilevers, described cantilever is connected to the suspension rod consistent with the number of plies of described evaporation channel, described suspension rod is provided with annulus, equipped with scraper plate on described annulus, described suspension rod, annulus and scraper plate stretch in every layer of evaporation channel.
Further, at the described thermal medium entrance passage that adds, the described top adding thermal medium passing away is provided with overflow launder, mother solution in described mother solution rising passway is by described overflow channel to described evaporation wall, and the difference in height between right baffle-plate and the right baffle plate of described overflow launder is not less than 10mm.
From above embodiments of the present invention, the present invention arranges three layers evaporative cylinder core in membrane evaporator, by feed pipe, add thermal medium inlet pipe, add thermal medium exit tube with described three layers evaporative cylinder core Collaboration, such that it is able to increase the total heat conduction area of membrane evaporator, thus improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the sectional view of plural layers vaporizer in the present invention;
Fig. 2 is the profile of three layers evaporative cylinder core upper channel portion of heat transfer structure in the present invention;
Fig. 3 a is the structural representation of limiting plate in the present invention;
Fig. 3 b is the structural representation of limiting plate in the present invention;
The installation diagram that Fig. 4 is limiting plate and feed pipe in the present invention, add between thermal medium inlet/outlet pipe;
Fig. 5 is the structure chart of annulus, scraper plate in the present invention;
Fig. 6 is the component drawings of swivel mount and annulus, scraper plate in the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in the application, below in conjunction with the accompanying drawing in the application embodiment, technical scheme in the application embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the application, rather than whole embodiments.Based on the embodiment in the application, other embodiments all that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of the application protection.
Refer to Fig. 1 to Fig. 6.Including in the housing of the plural layers vaporizer in the present invention is the inside and outside nested three layers evaporative cylinder core 1 being distributed, for fixing the limiting plate 2 of described three layers evaporative cylinder core 1, the staggered feed pipe 6 being fixed under described limiting plate 2 successively, add thermal medium inlet pipe 7, add thermal medium exit tube 8, run through the swivel mount main shaft 3 at described three layers evaporative cylinder core 1 center, the swivel mount 4 being fixed on described swivel mount main shaft 3 and can rotate with described swivel mount main shaft 3, it is connected to the top of described swivel mount main shaft 3 and described swivel mount main shaft 3 can be driven to carry out the electric machine assembly 9 rotated, the housing of described plural layers vaporizer 1 constitutes confined space by upper cover 10 and low head 11, wherein, the axial line of described three layers evaporative cylinder core 1 is all identical.
In the application one embodiment, every layer of cylinder core in described three layers evaporative cylinder core all include parallel distribution mother solution rising passway 121-123, add thermal medium enter passage 131-133, add thermal medium passing away 141-143, evaporation channel 151-153 and thermal insulation areas 171-173, wherein, described thermal insulation areas enters between passage at described mother solution rising passway and the described thermal medium that adds, the side of described evaporation channel is limited by evaporating wall 161-163, described in add thermal medium enter passage separated by dividing plate 181-183 between thermal medium passing away with described adding.
In the application one embodiment, described mother solution rising passway 121-123, adding thermal medium and enter passage 131-133 and add the bottom of thermal medium passing away 141-143 and close each through cover plate (not shown), the bottom of described evaporation channel 151-153 is open design.
In the application one embodiment, described limiting plate 2 is circular configuration, the circle centre position of described limiting plate offers center hole 200, described limiting plate 2 diametrically offers the manhole 201-218 of predetermined number, described limiting plate 2 along the circumferential direction offers some arc strip through hole 219-227.
In the application one embodiment, described feed pipe 6, add thermal medium inlet pipe 7, add and thermal medium exit tube 8 is provided with the comb adaptive with the manhole phase 201-218 on described limiting plate, wherein, comb 61-66 on described feed pipe 6 connects through the cover plate bottom corresponding manhole 201-206 and described mother solution rising passway 121-123, the described comb 71-76 added on thermal medium inlet pipe 7 connects through corresponding manhole 207-212 with the described cover plate added bottom thermal medium entrance passage 131-133, the described comb 81-86 added on thermal medium exit tube 8 connects through corresponding manhole 212-218 with the described cover plate added bottom thermal medium passing away 141-143.
In the application one embodiment, the bottom of described swivel mount main shaft 3 is through the center hole 200 on described limiting plate 2 and is fixed by bearing (not shown).
In the application one embodiment, described swivel mount 4 is provided with three cantilever 41-43, it is mutually 120 degree between described three cantilever 41-43, described cantilever is connected to the suspension rod 44 consistent with the number of plies of described evaporation channel, described suspension rod 44 is provided with annulus 45, equipped with scraper plate 5 on described annulus 45, described suspension rod 44, annulus 45 and scraper plate 5 stretch in every layer of evaporation channel.
In the application one embodiment, at the described thermal medium entrance passage 131-133 that adds, the described top adding thermal medium passing away 141-143 is provided with overflow launder 201-203, mother solution in described mother solution rising passway 121-123 is by described overflow launder 201-203 overflow to described evaporation wall 161-163, and the difference in height between the right baffle-plate 211-213 and right baffle plate 221-223 of described overflow launder is not less than 10mm.
For outermost layer cylinder core, when described membrane evaporator runs, first logical steam in mother solution rising passway 121, evaporates during to prevent advanced mother solution and too fast causes coking on evaporating surface.Open and add thermal medium inlet pipe 7, steam enters passage 131 by 207, the 212 injection heating media that comb 71,76 enters on limiting plate 2 and rises along passage, owing to mother solution rising passway 121 exists thermal insulation areas 171 with adding thermal medium entrance passage 131, in uphill process there is not heat transmission in steam.The follow-up entrance of steam adds thermal medium passing away 141, goes out pipe 8 comb 81,86 along limiting plate 2 through hole 213,218 reflux medium.Opening feed pipe 6,201,206 through holes that mother solution is entered on limiting plate 2 by comb 61,66 enter mother solution rising passway 121, slowly fill.After mother solution rising passway, cross right baffle-plate 211 to enter overflow launder 201 and recross the right baffle plate 221 of overflow, feed liquid consistent is distributed in evaporation wall 161, under gravity and the effect of annular scraper 5 be fixed on swivel mount, the liquid being distributed on evaporation wall forms membranaceous turbulence state, and constantly by evaporation and concentration in evaporation channel 151 decline process, complete liquid and discharged from bottom pyramidal end socket by arc strip through hole 219-222 on limiting plate, indirect steam is overflowed by top.
From above embodiments of the present invention, the present invention arranges three layers evaporative cylinder core in membrane evaporator, by feed pipe, add thermal medium inlet pipe, add thermal medium exit tube with described three layers evaporative cylinder core Collaboration, such that it is able to increase the total heat conduction area of membrane evaporator, thus improve production efficiency.
Above describing of the various embodiments of the application is supplied to those skilled in the art with the purpose described.It is not intended to exhaustive or is not intended to limit the invention to single disclosed embodiment.As it has been described above, the various replacements of the application and change will be apparent from for above-mentioned technology one of ordinary skill in the art.Therefore, although specifically discuss the embodiment of some alternatives, but other embodiment will be apparent from, or those skilled in the art relatively easily draw.The application is intended to be included in all replacements of this present invention discussed, amendment and change, and drops on other embodiment in the spirit and scope of above-mentioned application.
Each embodiment in this specification all adopts the mode gone forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is the difference with other embodiments.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application has many deformation and is varied without departing from spirit herein, it is desirable to appended claim includes these deformation and is varied without departing from spirit herein.
Claims (8)
1. a steam-heated plural layers vaporizer, it is characterized in that, including in the housing of described plural layers vaporizer is the inside and outside nested three layers evaporative cylinder core being distributed, for fixing the limiting plate of described three layers evaporative cylinder core, the staggered feed pipe being fixed under described limiting plate successively, add thermal medium inlet pipe, add thermal medium exit tube, run through the swivel mount main shaft at described three layers evaporative cylinder core center, it is fixed on described swivel mount main shaft and can with the swivel mount of described swivel mount main axis, it is connected to the top of described swivel mount main shaft and described swivel mount main shaft can be driven to carry out the electric machine assembly rotated, the housing of described plural layers vaporizer constitutes confined space by upper cover and low head, wherein, the axial line of described three layers evaporative cylinder core is all identical.
2. plural layers vaporizer according to claim 1, it is characterized in that, every layer of cylinder core in described three layers evaporative cylinder core all include parallel distribution mother solution rising passway, add thermal medium enter passage, add thermal medium passing away, evaporation channel and thermal insulation areas, wherein, described thermal insulation areas enters between passage at described mother solution rising passway and the described thermal medium that adds, the side of described evaporation channel is limited by evaporating wall, described in add thermal medium enter passage separated by dividing plate between thermal medium passing away with described adding.
3. plural layers vaporizer according to claim 2, it is characterised in that described mother solution rising passway, add thermal medium and enter passage and add the bottom of thermal medium passing away each through cover closure, the bottom of described evaporation channel is open design.
4. plural layers vaporizer according to claim 3, it is characterized in that, described limiting plate is circular configuration, the circle centre position of described limiting plate offers center hole, described limiting plate diametrically offers the manhole of predetermined number, described limiting plate along the circumferential direction offers some arc strip through holes.
5. plural layers vaporizer according to claim 4, it is characterized in that, described feed pipe, add thermal medium inlet pipe, add and thermal medium exit tube is provided with the comb suitable with the manhole on described limiting plate, wherein, comb on described feed pipe connects through the cover plate bottom corresponding manhole and described mother solution rising passway, the described comb added on thermal medium inlet pipe connects through corresponding manhole with the described cover plate adding thermal medium entrance channel bottom, the described comb added on thermal medium exit tube connects through corresponding manhole and the described cover plate added bottom thermal medium passing away.
6. plural layers vaporizer according to claim 4, it is characterised in that the bottom of described swivel mount main shaft is through the center hole on described limiting plate and is fixed by bearing.
7. plural layers vaporizer according to claim 2, it is characterized in that, described swivel mount is provided with three cantilevers, it is mutually 120 degree between described three cantilevers, described cantilever is connected to the suspension rod consistent with the number of plies of described evaporation channel, described suspension rod is provided with annulus, and equipped with scraper plate on described annulus, described suspension rod, annulus and scraper plate stretch in every layer of evaporation channel.
8. plural layers vaporizer according to claim 2, it is characterized in that, at the described thermal medium entrance passage that adds, the described top adding thermal medium passing away is provided with overflow launder, mother solution in described mother solution rising passway is by described overflow channel to described evaporation wall, and the difference in height between right baffle-plate and the right baffle plate of described overflow launder is not less than 10mm.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610311048.3A CN105727581A (en) | 2016-05-11 | 2016-05-11 | Steam heating type multilayered thin film evaporator |
CN201610843250.0A CN106362427B (en) | 2016-05-11 | 2016-09-22 | A kind of steam-heated plural layers evaporator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610311048.3A CN105727581A (en) | 2016-05-11 | 2016-05-11 | Steam heating type multilayered thin film evaporator |
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CN105727581A true CN105727581A (en) | 2016-07-06 |
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CN201610311048.3A Pending CN105727581A (en) | 2016-05-11 | 2016-05-11 | Steam heating type multilayered thin film evaporator |
CN201610843250.0A Active CN106362427B (en) | 2016-05-11 | 2016-09-22 | A kind of steam-heated plural layers evaporator |
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CN201610843250.0A Active CN106362427B (en) | 2016-05-11 | 2016-09-22 | A kind of steam-heated plural layers evaporator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018054021A1 (en) * | 2016-09-22 | 2018-03-29 | 南京工业大学 | Steam-heated multi-layer film evaporator |
CN108854132A (en) * | 2018-08-22 | 2018-11-23 | 金溪遥遥领先高科有限公司 | A kind of internal heat type molecular distillation equipment |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108786166A (en) * | 2018-08-28 | 2018-11-13 | 江苏博勤氟塑科技有限公司 | A kind of distilation equipment for strong acid weak base |
CN109045735A (en) * | 2018-08-28 | 2018-12-21 | 江苏博勤氟塑科技有限公司 | A kind of distilling apparatus for strong acid and strong base |
CN108970158A (en) * | 2018-09-14 | 2018-12-11 | 江苏拓驰工程技术开发有限公司 | A kind of Double-scraper luwa evaporator |
PL243377B1 (en) * | 2021-06-28 | 2023-08-14 | Borawski Marek Bilab | Heat exchanger assembly |
CN115282621B (en) * | 2022-01-20 | 2024-04-05 | 浙江科技学院 | Polyether modified silicone oil takes off low multilayer thin film evaporator that uses |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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NL43001C (en) * | 1936-03-05 | |||
CN2080416U (en) * | 1989-06-02 | 1991-07-10 | 陈浩 | Multilayer film-scraping evaporator |
-
2016
- 2016-05-11 CN CN201610311048.3A patent/CN105727581A/en active Pending
- 2016-09-22 CN CN201610843250.0A patent/CN106362427B/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018054021A1 (en) * | 2016-09-22 | 2018-03-29 | 南京工业大学 | Steam-heated multi-layer film evaporator |
US11071925B2 (en) | 2016-09-22 | 2021-07-27 | Nanjing Tech University | Multilayer thin film evaporator for steam heating |
CN108854132A (en) * | 2018-08-22 | 2018-11-23 | 金溪遥遥领先高科有限公司 | A kind of internal heat type molecular distillation equipment |
Also Published As
Publication number | Publication date |
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CN106362427A (en) | 2017-02-01 |
CN106362427B (en) | 2019-01-01 |
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Application publication date: 20160706 |