CN205759772U - A kind of falling film evaporator - Google Patents
A kind of falling film evaporator Download PDFInfo
- Publication number
- CN205759772U CN205759772U CN201620429232.3U CN201620429232U CN205759772U CN 205759772 U CN205759772 U CN 205759772U CN 201620429232 U CN201620429232 U CN 201620429232U CN 205759772 U CN205759772 U CN 205759772U
- Authority
- CN
- China
- Prior art keywords
- distributing disc
- sieve aperture
- dispersion impeller
- falling film
- film evaporator
- 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.)
- Expired - Fee Related
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a kind of falling film evaporator, including shell, dispersion impeller and evaporation tube；The two ends up and down of described shell are provided with feed pipe and discharge nozzle, and the left and right sides of described shell is provided with steam port and condensate port；Described dispersion impeller is arranged in the enclosure, and dispersion impeller is arranged on below feed pipe；Described evaporation tube is vertically set on dispersion impeller bottom side, and evaporation tube includes evaporating cylinder, chuck and flow distribution plate, and chuck is arranged on outside evaporation cylinder, and flow distribution plate is arranged on evaporation cylinder center axis.It is provided with distributing disc between described dispersion impeller and feed pipe.The beneficial effects of the utility model are: stable operation is reliable, viscosity process range width, be suitable to the operation of big flow, has the advantage that range is wide and evaporation efficiency is high.
Description
Technical field
This utility model relates to field of chemical equipment, is specifically related to a kind of falling film evaporator.
Background technology
Falling film evaporation is feed liquid to be added from falling film evaporator heating chamber upper tube box, through liquid distribution and film formation device, is evenly distributed in each heat exchanger tube, under gravity and vacuum induced and airflow function, the most membranaceous flows from top to bottom.In flow process, heated medium heating vaporization, the steam produced and liquid phase enter the separation chamber of vaporizer jointly, vapour-liquid is through being sufficiently separated, steam enters condenser condensation (single-action operation) or enters next vaporizer as adding thermal medium, thus realizing multiple-effect operation, liquid phase is then discharged by separation chamber.Current falling film evaporator generally also exists the problem that range is limited and evaporation efficiency is the highest.
Utility model content
In order to overcome the defect of above-mentioned prior art, this utility model provides a kind of falling film evaporator.
This utility model offer techniques below scheme: a kind of falling film evaporator, including shell, dispersion impeller and evaporation tube；
The two ends up and down of described shell are provided with feed pipe and discharge nozzle, and the left and right sides of described shell is provided with steam port and condensate port；
Described dispersion impeller is arranged in the enclosure, and dispersion impeller is arranged on below feed pipe；
Described evaporation tube is vertically set on dispersion impeller bottom side, and evaporation tube includes evaporating cylinder, chuck and flow distribution plate, and chuck is arranged on outside evaporation cylinder, and flow distribution plate is arranged on evaporation cylinder center axis.
Preferably, it is provided with distributing disc between described dispersion impeller and feed pipe.
Preferably, described distributing disc includes distributing disc, middle distributing disc and lower distributing disc, is connected by screw, described distributing disc is provided with sieve aperture between described upper distributing disc, middle distributing disc and lower distributing disc.
Preferably, described middle sieve aperture is corresponding with the evaporation tube mouth of pipe, and described upper sieve aperture and middle sieve aperture stagger half pitch of holes, and described lower sieve aperture and upper sieve aperture are equilateral triangle arrangement with middle sieve aperture.
Preferably, described flow distribution plate is provided with perforate.
Preferably, it is provided with sealing-plug between described feed pipe and discharge nozzle and shell.
Use above technical scheme to provide the benefit that: stable operation is reliable, viscosity process range width, be suitable to the operation of big flow, have that range is wide and evaporation efficiency is high advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of falling film evaporator；
Fig. 2 is the top view of evaporation tube；
Fig. 3 is the scattergram of sieve aperture；
Fig. 4 is the structural representation of flow distribution plate；
Wherein, sieve aperture, 18-flow distribution plate, 19-perforate, 20-sealing-plug under sieve aperture, 17-in distributing disc, 14-screw, the upper sieve aperture of 15-, 16-under distributing disc, 13-in 1-shell, 2-dispersion impeller, 3-evaporation tube, 4-feed pipe, 5-discharge nozzle, 6-steam port, 7-condensate port, 8-evaporation cylinder, 9-chuck, the upper distributing disc of 11-, 12-.
Detailed description of the invention
Describe preferred implementation of the present utility model below in conjunction with the accompanying drawings in detail.
Referring to Fig. 1, a kind of falling film evaporator, including shell 1, dispersion impeller 2 and evaporation tube 3, the two ends up and down of described shell 1 are provided with feed pipe 4 and discharge nozzle 5, are provided with sealing-plug 20 between described feed pipe 4 and discharge nozzle 5 and shell 1；The left and right sides of described shell 1 is provided with steam port 6 and condensate port 7；
Described dispersion impeller 2 is arranged in shell 1, and dispersion impeller 2 is arranged on below feed pipe 4, and described evaporation tube 3 is vertically set on dispersion impeller 2 bottom side；
Referring to Fig. 2, described evaporation tube 3 includes evaporating cylinder 8, chuck 9 and flow distribution plate 18, and chuck 9 is arranged on outside evaporation cylinder 8, and flow distribution plate 18 is arranged on the central axis of evaporation cylinder 8.
In addition, it is provided with distributing disc between described dispersion impeller 2 and feed pipe 4, referring to Fig. 1, described distributing disc includes distributing disc 11, middle distributing disc 12 and lower distributing disc 13, connected by screw 14 between described upper distributing disc 11, middle distributing disc 12 and lower distributing disc 13, it is provided with sieve aperture on described distributing disc, referring to Fig. 3, described middle sieve aperture 16 is corresponding with evaporation tube 3 mouth of pipe, described upper sieve aperture 15 and middle sieve aperture 16 stagger half pitch of holes, and described lower sieve aperture 17 and upper sieve aperture 15 and middle sieve aperture 16 are in equilateral triangle arrangement；Referring to Fig. 4, described flow distribution plate 18 is provided with perforate 19.
Based on above-mentioned, it is provided with distributing disc 13 between described dispersion impeller 2 and feed pipe 4, falling film evaporator can be made to have stable operation reliable, viscosity process range is wider, be suitable to the feature of big flow operation, expand its range, the layout of sieve aperture on described distributing disc, make around each evaporation tube, have three strands of liquid stream to fall from upper distribution grid sieve aperture, to realize the multi-point distribution to evaporation tube in the case of non clogging screen hole, referring to Fig. 2, it is provided with flow distribution plate 18 in described evaporation cylinder 8, referring to Fig. 4, perforate 19 it is provided with on described flow distribution plate, second diffluence can be realized, it is provided with sealing-plug between described feed pipe 4 and discharge nozzle 5 and shell 1, evaporation efficiency can be improved, the advantage that this falling film evaporator has that range is wide and evaporation efficiency is high.
Claims (6)
1. a falling film evaporator, it is characterised in that: include shell, dispersion impeller and evaporation tube；
The two ends up and down of described shell are provided with feed pipe and discharge nozzle, the left and right two of described shell
Side is provided with steam port and condensate port；
Described dispersion impeller is arranged in the enclosure, and dispersion impeller is positioned at below feed pipe；
Described evaporation tube is vertically set on dispersion impeller bottom side, and evaporation tube includes evaporating cylinder, chuck
And flow distribution plate, chuck is arranged on outside evaporation cylinder, and flow distribution plate is arranged on evaporation cylinder center axle
On line.
A kind of falling film evaporator the most according to claim 1, it is characterised in that: described point
Dissipate and between dish and feed pipe, be provided with distributing disc.
A kind of falling film evaporator the most according to claim 2, it is characterised in that: described
Distributing disc includes distributing disc, middle distributing disc and lower distributing disc, upper distributing disc, middle distributing disc and
It is connected by screw between lower distributing disc, described distributing disc is provided with sieve aperture.
A kind of falling film evaporator the most according to claim 3, it is characterised in that: described point
Middle sieve aperture on cloth dish is corresponding with the evaporation tube mouth of pipe, and upper sieve aperture and middle sieve aperture stagger between half hole
Away from, lower sieve aperture and upper sieve aperture are equilateral triangle arrangement with middle sieve aperture.
A kind of falling film evaporator the most according to claim 1, it is characterised in that: described steaming
Send out and be provided with perforate on the flow distribution plate in cylinder.
A kind of falling film evaporator the most according to claim 1, it is characterised in that enter described in:
It is provided with sealing-plug between material pipe and discharge nozzle and shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429232.3U CN205759772U (en) | 2016-05-12 | 2016-05-12 | A kind of falling film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620429232.3U CN205759772U (en) | 2016-05-12 | 2016-05-12 | A kind of falling film evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205759772U true CN205759772U (en) | 2016-12-07 |
Family
ID=57410284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620429232.3U Expired - Fee Related CN205759772U (en) | 2016-05-12 | 2016-05-12 | A kind of falling film evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205759772U (en) |
-
2016
- 2016-05-12 CN CN201620429232.3U patent/CN205759772U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |