CN104069645B - A kind of scraped film type distillator - Google Patents
A kind of scraped film type distillator Download PDFInfo
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- CN104069645B CN104069645B CN201410309458.5A CN201410309458A CN104069645B CN 104069645 B CN104069645 B CN 104069645B CN 201410309458 A CN201410309458 A CN 201410309458A CN 104069645 B CN104069645 B CN 104069645B
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- rectifying plate
- vaporizer
- rotating cage
- film type
- tongue
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Abstract
The present invention relates to a kind of scraped film type distillator, including base, there is the vaporizer of feed inlet and outlet, condenser, scrape film device, drive mechanism and be arranged in vaporizer and can be at the rotating cage being rotated by of drive mechanism, described vaporizer and condenser are arranged on base, described rotating cage has the column support of at least four circumferentially spaced-apart layouts, described film device of scraping is longitudinally disposed between two column supports, the top of described rotating cage is provided with liquid distribution trough, it is characterized in that: also include arranging around described rotating cage and can supply to scrape the rectifying plate that film device exposes, the hole tongue of several stamped formation it is arranged at intervals with on this rectifying plate, and this hole tongue is towards the inner surface layout of described vaporizer.
Description
Technical field
The present invention relates to fine organic chemical industry's technical field of mechanical equipment, particularly distillation equipment field, refer specifically to a kind of scraped film type
Distillator.
Background technology
Compared with traditional distillation technique, scraped film type distillation technique has the features such as low pressure, low temperature, residence time of material be short,
Can be used for the material being difficult to by the conventional methods such as extraction, crystallization separate to process, such as high molecular, high boiling point, height glue
The concentration of the material that degree, heat stability are bad and purification, at present, scraped film type distillation technique has been widely used in natural life
The Separation & Purification of thing extract, medicine and intermediate, pesticide and intermediate.In prior art, conventional scraped film type steams
Evaporate device and generally comprise cylinder, this cylinder has feed inlet and outlet and for adding the chuck that thermal medium flows through, be provided with in cylinder with
The film formation device that outside reductor is connected, meanwhile, scraped film type distillator is the most internal or external condenser for this.
In order to improve the separation efficiency of above-mentioned scraped film type distillator, Authorization Notice No. is that the China of CN203355326U is real
A kind of structure is disclosed with new patent " a kind of efficiently molecular still device " (application number: 201320454277.2),
That it changes chuck mode of heating commonly used in the prior art, and use the mode of cylinder built-in calandria to be added by material
Heat, in heating process, the material of gasification also can be heated when moving to built-in condenser direction, thus improves separation
Production capacity.Authorization Notice No. is the Chinese utility model patent " blade applicator of wiped-film still " of CN202638024U
(application number: 201220187667.3) discloses such a structure, it rotating disk including connecting motor rotary shaft, turns
Arranging batch mixing pan below dish, rotating disk is scraped diaphragm with the outer of batch mixing pan by three of uniform parts and is connected, adjacent knifing
Be provided with fan blades between sheet, this fan blades switch through dish, under connect batch mixing pan, be provided with scraper outside knifing sheet, equipment runs
Time to scrape the fan blades rotation direction between diaphragm contrary with the direction of rotation of rotor, thus utilize the scraper scraped on diaphragm to be scraped by liquid level
Thin, after volatile components effusion, the fan blades oppositely oriented with rotor can change the running status of gas molecule in space, adds gas
The flying distance of phase molecule, improves the yield of useful component.Authorization Notice No. is the Chinese invention of CN101537262B
Patent " molecular distillation mechanism " (application number: 200910029641.9) discloses a kind of structure, and it includes pedestal, is located at
Vaporizer on pedestal and condenser, be placed in that the lid with feed pipe on vaporizer top and being connected to covers by turning
The blade applicator of the rotating cage drive mechanism composition for ordering about rotating cage motion of cage and rotating cage transmission connection, wherein, rotating cage is positioned at
In cavity between described vaporizer and condenser, rotating cage includes knifing roller and the knifing Roller Shaft being correspondingly arranged, and scrapes
Film roller sleeve is located in corresponding knifing Roller Shaft, sets between each adjacent knifing Roller Shaft being equipped with knifing roller
Being equipped with for stoping drop and liquid foam to enter the Despumation device of condenser, in equipment running process, knifing roller is to evaporation
During material scraper on device inwall is smeared, produced drop is stopped by Despumation device, and steam molecule then can pass through and remove
Foam device enters condenser, so that separating effect is strengthened, is effectively increased the purity of product.
Above-mentioned patent improves the structure of existing common scraped film type distillator from different perspectives so that the separating effect of distillator
Strengthened to a certain extent, but still be there is following defect: material has only been carried out the most unidirectional steaming in still-process
Evaporate process, in light fraction, inevitably bring the fraction in more heavy distillat into, limit separating effect, and if through many
Secondary distillation processes, then can be substantially reduced separation efficiency.
Therefore, for current scraped film type distillator, still await further being improved.
Summary of the invention
The technical problem to be solved is the present situation for prior art, it is provided that one can be effectively improved separating effect
And the scraped film type distillator of separation efficiency.
The present invention solves the technical scheme that above-mentioned technical problem used: a kind of scraped film type distillator, including base, tool
There are the vaporizer of feed inlet and outlet, condenser, scrape film device, drive mechanism and be arranged in vaporizer and can be in drive mechanism
The rotating cage being rotated by, described vaporizer and condenser be arranged on base, and described rotating cage has at least four
The column support of circumferentially spaced-apart layout, described film device of scraping is longitudinally disposed between two column supports, the top of described rotating cage
Portion is provided with liquid distribution trough, it is characterised in that: also include arranging around described rotating cage and can be for dividing of scraping that film device exposes
Evaporate plate, this rectifying plate is arranged at intervals with the hole tongue of several stamped formation, and this hole tongue is towards in described vaporizer
Surface is arranged.
As the present invention be further able to improve, described hole tongue is α relative to the angle that rectifying plate opens, and 15 °≤α
≤90°.Why use such design, be due to as α ＜ 15 °, gas by during rectifying plate by bigger stream
Logical resistance, distillation efficiency can significantly reduce；And if angle α ＞ 90 °, then hole tongue presents the shape upwarped, on the tongue of hole
Liquid is difficult to again be thrown under the influence of centrifugal force the inner surface of vaporizer, and impact carries out still-process again, thus
Intended distilling effect cannot be arrived.
Further, the angle between opening direction and the vaporizer Y-direction of described hole tongue is β, and 0 °≤β≤
180 °, preferably 45 °≤β≤90 °.Why use such design, be because when distillator runs, fractional distillation
Plate rotates with the rotation of rotating cage, and the liquid on the tongue of hole can get rid of the inner surface to vaporizer under used by centrifugal force, and such as
Really β ＜ 0 ° or β ＞ 180 °, the liquid on the tongue of hole is easily directed to the center position of rotating cage at the aperture in Sublingual, hole, and rises not
To the purpose of fractional distillation again, the effect of rectifying plate is caused to be substantially reduced.
As preferably, the perforated area sum of described hole tongue accounts for the 10%～99% of the rectifying plate gross area.
Preferably, described hole tongue has the folding line arranged along opening direction.When producing rectifying plate, first by flat board through punching
Pressing through journey and produce the hole tongue of board-type, the shape of this hole tongue can be square, semicircle, half elliptic, is certainly not limited to
Above shape；In order to make the liquid of Returning evaporimeter inner surface contact with each other with more reasonably angle, reduce and throw to vaporizer
The liquid of inner surface reversely eject probability, the shape of hole tongue can be further processed, on the tongue of hole arrange folding line
Thus the grain direction of liquid on bullport tongue.
In above-mentioned each scheme, described rotating cage being horizontally arranged with connection ring around column support, described rectifying plate is with upper
State connection ring to be connected；Described rectifying plate can be one, now, rectifying plate be connected to described connection ring inner side or
Outside；Described rectifying plate can also be two pieces, and now, two rectifying plates are connected to the inner side of described connection ring with outer
Side.
Described drive mechanism includes motor and the reductor being connected with this motor, and described rotating cage passes through a power transmission shaft with above-mentioned
Reductor is connected.
Compared with prior art, it is an advantage of the current invention that: on the basis of former distillator, be provided with rectifying plate, distillator
During operation, the material of evaporator inside surface gasification in the motor process of condenser direction through rectifying plate, and and rectifying plate
On hole whip graft touch, again conduct heat and mass transfer on tongue surface, hole, heavier component and part lighter component undergo phase transition by
Gaseous state becomes liquid, and the heat discharged in phase transition process passes to light component so that light component have bigger kinetic energy to
Condenser moves；The heavy constituent component light with part of liquid is become the most under the influence of centrifugal force by again on tongue surface, hole
Throw to the inner surface of vaporizer, carry out still-process again, add the separation number of times of heat transfer and mass transfer therefrom, reach
The repeatedly effect of fractional distillation, so that the light constituent content collected is increased, improves separation efficiency, has reached more preferable
Separating effect.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the sectional view in A-A direction along Fig. 1；
Fig. 3 is the part structure for amplifying schematic diagram of rectifying plate in the embodiment of the present invention；
Fig. 4 is the partial side elevation view of rectifying plate.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in figures 1-4, the scraped film type distillator of the present embodiment include base 1, the vaporizer 2 with feed inlet and outlet,
Condenser (not shown), scrape film device 3, rectifying plate 4, drive mechanism and be arranged at vaporizer 2 in and can be in driving
The rotating cage 5 being rotated by of mechanism, in the present embodiment, drive mechanism includes motor and the deceleration being connected with this motor
Machine, reductor is arranged on above vaporizer 2 by machine frame of speed reducing machine 6, and rotating cage 5 is by power transmission shaft 61 and a reductor
It is connected；Vaporizer 2 and condenser are arranged on base 1, and rotating cage 5 has the column of at least four circumferentially spaced-apart layouts
Support 51, scrapes film device 3 and is longitudinally disposed between two column supports 51, and in the present embodiment, scraping film device 3 has 4
Individual, respectively around rotating cage 5 interval arrange, scraping film device 3 has the forms such as board-like, ball-type, rotating cage 5 upper, in,
Bottom is respectively provided with the connection ring 52 around column support 51 lateral arrangement, and the rectifying plate 4 in the present embodiment can be one
Part can also be two pieces, as in figure 2 it is shown, when rectifying plate 4 is one, rectifying plate 4 is by welding or bolt connection etc.
Mode is fixed on inner side or the outside connecting ring 52, and wherein, a figure is that rectifying plate 4 is fixed on the inner side connecting ring 52, b
Figure is that rectifying plate 4 is fixed on the outside connecting ring 52；When rectifying plate 4 is two pieces, two rectifying plates 4 are separately fixed at
Connect the inner side and outer side of ring 52, when having assembled, scrape film device 3 and be exposed to the outer surface of rectifying plate 4；Rotating cage 5
Top is provided with liquid distribution trough 7.
As shown in Figure 3,4, rectifying plate 4 is arranged at intervals with the hole tongue 41 of several stamped formation, and this hole tongue 41
Arranging towards the inner surface of vaporizer 2, the shape of hole tongue 41 can be square, semicircle, half elliptic, a in Fig. 3,
B, c be respectively hole tongue 41 be structural representation square, semicircle, half elliptic, the shape of certain hole tongue 41 does not limits
In above shape, conduct heat and the effect of mass transfer as long as hole tongue 41 can be realized；Preferred as the present embodiment, hole tongue
41 angles opened relative to rectifying plate 4 are α, and 15 °≤α≤90 °, why use such design, be by
When as α ＜ 15 °, gas is by being caused distillation efficiency to significantly reduce by bigger circulating resistance during rectifying plate 4；
And if angle α ＞ 90 °, then hole tongue 41 presents the shape upwarped, and the liquid on hole tongue 41 is difficult to the effect at centrifugal force
The lower inner surface of vaporizer 2 of again being thrown to, impact again carries out still-process, thus cannot arrive intended distillation effect
Really；Angle between opening direction and vaporizer 2 Y-direction of hole tongue 41 is β, and 0 °≤β≤180 °, is preferably
45 °≤β≤90 °, why using such design, be because when distillator runs, rectifying plate 4 is with rotating cage 5
Rotation and rotate, and the rotation direction of rectifying plate 4 is towards hole tongue 41, and the liquid on hole tongue 41 can be in the institute of centrifugal force
The inner surface to vaporizer 2 is got rid of under with, and if β ＜ 0 ° or β ＞ 180 °, the rotation direction of rectifying plate 4 and hole tongue 41
Place is in opposite direction, and the liquid on hole tongue 41 is easily directed to the center position of rotating cage 5 at the aperture 42 under hole tongue 41,
And do not have the purpose of fractional distillation again, cause the effect of rectifying plate 4 to be substantially reduced.Use the distillator of the present embodiment, if
During received shipment row, reductor drives rotating cage to rotate by power transmission shaft 61, and material enters evaporation from the charging aperture 21 of vaporizer 2
In device 2, and under the effect of liquid distribution trough 7, it is distributed to the inner surface of vaporizer 2, then at the work scraping film device 3
The inner surface of vaporizer 2 more it is evenly dispersed under with, after material is heated, the partial material gas of vaporizer 2 inner surface
Change and move to condenser direction, through rectifying plate 4 in motor process, and contact, in hole with the hole tongue 41 on rectifying plate 4
Conducting heat and mass transfer again in tongue 41 surface, heavier component and part lighter component undergo phase transition and become liquid from gaseous state,
The heat discharged in phase transition process passes to light component so that light component has bigger kinetic energy and moves to condenser；And
The heavy constituent and the light component of part that become liquid on hole tongue 41 surface are thrown to vaporizer the most again
The inner surface of 2, carries out still-process again, adds the separation number of times of heat transfer and mass transfer therefrom, reach repeatedly fractional distillation
Effect so that the light constituent content collected is increased, improve separation efficiency, reached more preferable separate effect
Really.
In the present embodiment, the perforated area sum of hole tongue 41 accounts for the 10%～99% of rectifying plate 4 gross area, hole tongue 41
On there is the folding line 411 arranged along opening direction, when producing rectifying plate 4, first produced straight plate by the stamped process of flat board
The hole tongue 41 of type, in order to make the liquid of Returning evaporimeter 2 inner surface contact with each other with more reasonably angle, reduces and throws to steam
Send out device 2 inner surface liquid reversely eject probability, the shape of hole tongue 41 can be processed, cloth on hole tongue 41
Put folding line 411 thus on bullport tongue 41 liquid grain direction thus further optimize rectifying plate 4 fractionating effect.
Claims (8)
1. a scraped film type distillator, including base (1), has the vaporizer (2) of feed inlet and outlet, condenser, knifing dress
Put (3), drive mechanism and be arranged in vaporizer (2) and can be described at the rotating cage (5) being rotated by of drive mechanism
Vaporizer (2) and condenser are arranged on base (1), and described rotating cage (5) has the column of at least four circumferentially spaced-apart layouts
Support (51), described film device (3) of scraping is longitudinally disposed between two column supports (51), and the top of described rotating cage (5) is arranged
There is liquid distribution trough (7), it is characterised in that: also include arranging around described rotating cage (5) and can supply to scrape what film device (3) exposed
Rectifying plate (4), this rectifying plate (4) is arranged at intervals with the hole tongue (41) of several stamped formation, and this hole tongue (41) towards
The inner surface of described vaporizer (2) is arranged；Described hole tongue (41) is α relative to the angle that rectifying plate (4) opens, and 15 °≤α
≤90°；
It is horizontally arranged with connection ring (52), described rectifying plate (4) and above-mentioned company around column support (51) on described rotating cage (5)
T-Ring (52) is connected.
Scraped film type distillator the most according to claim 1, it is characterised in that: the opening direction in described hole tongue (41)
And the angle between vaporizer (2) Y-direction is β, and 0 °≤β≤180 °.
Scraped film type distillator the most according to claim 2, it is characterised in that: the opening direction in described hole tongue (41)
And 45 °≤β≤90 ° of angle between vaporizer (2) Y-direction.
Scraped film type distillator the most according to claim 1, it is characterised in that: the perforated area in described hole tongue (41)
Sum accounts for the 10%～99% of rectifying plate (4) gross area.
5. according to the scraped film type distillator described in any claim in Claims 1 to 4, it is characterised in that: described hole
There is on tongue (41) folding line (411) arranged along opening direction.
Scraped film type distillator the most according to claim 1, it is characterised in that: described rectifying plate (4) is one,
This rectifying plate (4) is connected to inner side or the outside of described connection ring (52).
Scraped film type distillator the most according to claim 1, it is characterised in that: described rectifying plate (4) is two pieces,
It is connected to the inner side and outer side of described connection ring (52).
8. according to the scraped film type distillator described in any claim in Claims 1 to 4, it is characterised in that: described
Drive mechanism includes motor and the reductor being connected with this motor, and described rotating cage (5) is by a power transmission shaft (61) and above-mentioned deceleration
Machine is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309458.5A CN104069645B (en) | 2014-06-24 | 2014-06-24 | A kind of scraped film type distillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309458.5A CN104069645B (en) | 2014-06-24 | 2014-06-24 | A kind of scraped film type distillator |
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| Publication Number | Publication Date |
|---|---|
| CN104069645A CN104069645A (en) | 2014-10-01 |
| CN104069645B true CN104069645B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410309458.5A Expired - Fee Related CN104069645B (en) | 2014-06-24 | 2014-06-24 | A kind of scraped film type distillator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019173535A1 (en) * | 2018-03-06 | 2019-09-12 | Steven Bitterly | Water purification system and process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438493Y (en) * | 2000-08-07 | 2001-07-11 | 冯庆 | Rolling drum knifing evaporating apparatus |
| CN101053697A (en) * | 2007-04-20 | 2007-10-17 | 张亚宇 | Rotating scraper evaporator |
| CN101537262A (en) * | 2009-03-30 | 2009-09-23 | 江苏沙家浜化工设备有限公司 | Molecular distillation mechanism |
| CN102332041A (en) * | 2011-08-30 | 2012-01-25 | 山东同创汽车散热装置股份有限公司 | Heat radiating performance analysis and structure design system for tube and fin type radiator |
| CN202185162U (en) * | 2011-08-29 | 2012-04-11 | 重庆山巨化工机械有限公司 | Short range distiller |
| CN203417473U (en) * | 2013-01-16 | 2014-02-05 | 青岛科技大学 | Wiped-film evaporator device |
-
2014
- 2014-06-24 CN CN201410309458.5A patent/CN104069645B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438493Y (en) * | 2000-08-07 | 2001-07-11 | 冯庆 | Rolling drum knifing evaporating apparatus |
| CN101053697A (en) * | 2007-04-20 | 2007-10-17 | 张亚宇 | Rotating scraper evaporator |
| CN101537262A (en) * | 2009-03-30 | 2009-09-23 | 江苏沙家浜化工设备有限公司 | Molecular distillation mechanism |
| CN202185162U (en) * | 2011-08-29 | 2012-04-11 | 重庆山巨化工机械有限公司 | Short range distiller |
| CN102332041A (en) * | 2011-08-30 | 2012-01-25 | 山东同创汽车散热装置股份有限公司 | Heat radiating performance analysis and structure design system for tube and fin type radiator |
| CN203417473U (en) * | 2013-01-16 | 2014-02-05 | 青岛科技大学 | Wiped-film evaporator device |
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| CN104069645A (en) | 2014-10-01 |
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