CN205340174U - High -efficient falling film evaporation ware - Google Patents

High -efficient falling film evaporation ware Download PDF

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Publication number
CN205340174U
CN205340174U CN201521088723.8U CN201521088723U CN205340174U CN 205340174 U CN205340174 U CN 205340174U CN 201521088723 U CN201521088723 U CN 201521088723U CN 205340174 U CN205340174 U CN 205340174U
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China
Prior art keywords
scraper plate
vaporization chamber
falling film
evaporator body
film evaporation
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CN201521088723.8U
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Chinese (zh)
Inventor
刘益克
郑俊
胡学辉
郭冠敏
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Shanghai Aodi Automation Equipment Co Ltd
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Shanghai Aodi Automation Equipment Co Ltd
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Abstract

The utility model relates to a high -efficient falling film evaporation ware, including evaporimeter body (1), be equipped with the evaporating chamber in evaporimeter body (1), form toroidal cavity between this evaporating chamber and evaporimeter body (1) inner wall, set up heater assembly (2) in toroidal cavity, evaporimeter body (1) top be equipped with distributing device subassembly (4) on the material leading -in evaporating chamber wall (9), evaporimeter body (1) still be equipped with in the evaporating chamber and make material knife coating on evaporating chamber wall (9) phragmoid scraper blade subassembly (3). Compared with the prior art, the utility model has the advantages of evaporation efficiency is high, the structure is simple relatively, easy maintenance.

Description

A kind of high-efficiency falling film evaporation device
Technical field
This utility model relates to a kind of vaporizer, especially relates to a kind of high-efficiency falling film evaporation device.
Background technology
Conventional falling film evaporation is from falling film evaporator, feed liquid to be added hot cell upper tube box add, and through liquid distribution and film formation device, is evenly distributed in each heat exchanger tube, under gravity and vacuum induced and airflow function, uniformly membranaceous flows from top to bottom.In flow process, thermal medium heating vaporization is added by shell side, 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 lower 1st effective evaporator as adding thermal medium, thus realizing multiple-effect operation, liquid phase is then discharged by separation chamber.
But existing falling film evaporator is because self structure shortcoming, it is only applicable to the extraordinary material of mobility, additionally, the object structure in vaporizer is complex, not only makes whole equipment cost higher, the also comparatively difficulty such as detachable maintaining.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and a kind of high-efficiency falling film evaporation device is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of high-efficiency falling film evaporation device, including evaporator body, vaporization chamber it is provided with in evaporator body, toroidal cavity is formed between this vaporization chamber and evaporator body inwall, heater assembly is set in toroidal cavity, described evaporator body top is provided with the distributing device assembly being imported by material on vaporization chamber wall, and described evaporator body is additionally provided with in vaporization chamber and makes material scraper component of blade coating film forming on vaporization chamber wall.
Described scraper component includes the scraper plate driver element being arranged on evaporator body, and the squeegee unit by scraper plate drive unit drives, described squeegee unit includes scraper plate rotating shaft and scraper plate, described scraper plate rotating shaft is connected with the power output shaft end of scraper plate driver element, and be driven by rotating, described scraper plate is connected with scraper plate rotating shaft, and for by material blade coating film forming on vaporization chamber wall.By scraper plate by material blade coating film forming on vaporization chamber wall such that it is able to make the beans class material of mobility extreme difference be applied equally to falling film evaporation.
Described squeegee unit also includes scraping framework, and this is scraped framework and is connected by axle sleeve structure and scraper plate rotating shaft are fixing, arranges scraper plate scraping the flexible connection of framework both sides, and the end that described scraper plate contacts with vaporization chamber wall is provided with the blade coating face of inclination.The blade coating face tilted easily facilitates material film forming on vaporization chamber wall.
The inclination angle in described blade coating face is 3 °~10 °.
Described scraper plate is connected by articulated structure with scraping framework, and conventional articulated structure has structure members such as hinge, scraper plate and scrape the hinged range of activity of framework and meet scraper plate and the angle scraping between framework changes between 90 °~180 °.When installing/dismounting, scraper plate and the angle scraping framework are gone to about 90 °, so that scraper plate and vaporization chamber wall have bigger space, it is simple to installing/dismounting;When vaporizer runs, scraper plate is in the process rotated with scraper plate rotating shaft, and under the effect of inertia force, scraper plate turns to, with scraping framework, the linear state that angle is 180 ° naturally, thus realizing scraper plate the material scraper on vaporization chamber wall is coated with film forming.
Described scraper plate rotating shaft is additionally provided with the helical blade for forming rising exhaust stream.In the process rotated with scraper plate rotating shaft, the rising exhaust stream that helical blade is formed can help the steam by evaporation produces to discharge rapidly, thus accelerating the evaporation intensity of falling film evaporation.
Described distributing device assembly includes cloth tray, charge outer ring and charge inner ring, described charge outer ring and charge inner ring are all fixedly installed in cloth tray, and and cloth tray between formed for holding the annular charge space of material, described charge outer ring is also arranged with two discharging openings, material is expelled to vaporization chamber wall from discharging opening, and described cloth tray is fixedly installed on evaporator body top by cloth tray set.
Described cloth tray is provided with multiple steam discharge hole at charge inner ring around space place, and described steam discharge hole is connected with vaporization chamber.
Described heater assembly is sealingly disposed in evaporator body respectively through upper flange component and lower flange assembly.
Being additionally provided with the steam inlet and condensation-water drain that connect heater assembly respectively on described evaporator body, described steam inlet and condensation-water drain are connected with external steam pipeline and condensed water elimination pipeline respectively.During work, adding vapours and enter from steam inlet, be the heat that material on vaporization chamber wall provides evaporation required by heater assembly, then condensation becomes condensed water and discharges from the condensed water discharge spout road of condensation-water drain.
Compared with prior art, this utility model has the advantage that
(1) this utility model makes material scraper component of blade coating film forming on vaporization chamber wall by being provided with in vaporization chamber, this beans class material not only assisting in mobility poor is applied equally to bruised ginger vaporizer of the present utility model, in addition, scraper component is under rotation status, the ascending air of the steam taking away rapidly evaporation can also be formed, thus the evaporative condenser equilibrium condition broken on vaporization chamber wall, evaporation intensity is increased substantially, according to experimental data, evaporation efficiency can at least improve 3-5 times.
(2) simple in construction: while steam is discharged rapidly by being arranged on of scraper component of the present utility model etc., it also avoid the separation chamber's structure by steam Yu feed separation that conventional falling film evaporator also needs to arrange, thus greatly simplified the structure of whole falling film evaporation room, cost is substantially reduced.
(3) maintenance is convenient: in this utility model, heater assembly, scraper component etc. all adopt the structures such as detachable bolt so that the extremely simple convenience of whole maintenance process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of distributing device assembly of the present utility model;
Fig. 3 is the structural representation of scraper component of the present utility model;
In figure, 1-evaporator body, 2-heater assembly, 3-scraper component, 4-distributing device assembly, 5-steam inlet, 6-lower flange assembly, 7-condensation-water drain, 8-upper flange component, 9-vaporization chamber wall, 31-scraper plate rotating shaft, 32-scrapes framework, 33-scraper plate, 34-axle sleeve structure, 35-articulated structure, 36-helical blade, 41-cloth tray, 42-charge inner ring, 43-charge outer ring, 44-cloth tray set, 45-steam discharge hole, 46-discharging opening.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.
Embodiment 1
A kind of high-efficiency falling film evaporation device, its structure is as shown in Figure 1, including evaporator body 1, it is provided with vaporization chamber in evaporator body 1, vaporization chamber also and forms toroidal cavity between evaporator body 1 inwall, heater assembly 2 is set in this toroidal cavity, heater assembly 2 is sealingly disposed on evaporator body 1 respectively through upper flange component 8 and lower flange assembly 6, evaporator body 1 is additionally provided with the steam inlet 5 and condensation-water drain 7 that are connected with heater assembly 2 respectively, steam inlet 5 is connected with external steam pipeline, and heater assembly 2 offer is added vapours, thus providing evaporation heat to the material to be evaporated on vaporization chamber wall 9, then add vapours to be condensed into condensed water and discharge through connected discharge pipe from condensation-water drain 7.
Evaporator body 1 top is provided with the distributing device assembly 4 being imported by material on vaporization chamber wall 9, its structure is as shown in Figure 2, distributing device assembly 4 includes cloth tray 41, charge outer ring 43 and charge inner ring 42, charge outer ring 43 and charge inner ring 42 are all fixedly installed in cloth tray 41, and and cloth tray 41 between formed for holding the annular charge space of material, charge outer ring 43 is also arranged with two discharging openings 46, cloth tray 41 is fixedly installed on evaporator body 1 top by cloth tray set 44, cloth tray 41 is provided with five steam discharge holes 45 at charge inner ring 42 around space place, steam discharge hole 45 is connected with vaporization chamber.
Evaporator body 1 is additionally provided with the scraper component 3 making material blade coating film forming on vaporization chamber wall 9 in vaporization chamber, its structure is as shown in Figure 3, scraper component 3 includes the scraper plate driver element being arranged on evaporator body 1, and the squeegee unit by scraper plate drive unit drives, squeegee unit includes scraper plate rotating shaft 31, scraper plate 33 and scrape framework 32, scraper plate rotating shaft 31 is connected with the power output shaft end of scraper plate driver element, and be driven by rotating, scrape framework 32 to be connected by axle sleeve structure 34 is fixing with scraper plate rotating shaft 31, scraping framework 32 both sides, scraper plate 33 is set by articulated structure 35 connection, scraper plate 33 and scrape the hinged range of activity of framework 32 and meet scraper plate and the angle scraped between framework 32 changes between 90 °~180 °, the end that scraper plate 33 contacts with vaporization chamber wall 9 is provided with the blade coating face of inclination, and for by material blade coating film forming on vaporization chamber wall 9, the inclination angle in blade coating face is 5 °, scraper plate rotating shaft 31 is additionally provided with the helical blade 36 for forming rising exhaust stream.
Embodiment 2
A kind of high-efficiency falling film evaporation device, including evaporator body 1, it is provided with vaporization chamber in evaporator body 1, vaporization chamber also and forms toroidal cavity between evaporator body 1 inwall, heater assembly 2 is set in this toroidal cavity, heater assembly 2 is sealingly disposed on evaporator body 1 respectively through upper flange component 8 and lower flange assembly 6, evaporator body 1 is additionally provided with the steam inlet 5 and condensation-water drain 7 that are connected with heater assembly 2 respectively, steam inlet 5 is connected with external steam pipeline, and heater assembly 2 offer is added vapours, thus providing evaporation heat to the material to be evaporated on vaporization chamber wall 9, then add vapours to be condensed into condensed water and discharge through connected discharge pipe from condensation-water drain 7.
Evaporator body 1 top is provided with the distributing device assembly 4 being imported by material on vaporization chamber wall 9, distributing device assembly 4 includes cloth tray 41, charge outer ring 43 and charge inner ring 42, charge outer ring 43 and charge inner ring 42 are all fixedly installed in cloth tray 41, and and cloth tray 41 between formed for holding the annular charge space of material, charge outer ring 43 is also arranged with two discharging openings 46, cloth tray 41 is fixedly installed on evaporator body 1 top by cloth tray set 44, cloth tray 41 is provided with five steam discharge holes 45 at charge inner ring 42 around space place, steam discharge hole 45 is connected with vaporization chamber.
Evaporator body 1 is additionally provided with the scraper component 3 making material blade coating film forming on vaporization chamber wall 9 in vaporization chamber, scraper component 3 includes the scraper plate driver element being arranged on evaporator body 1, and the squeegee unit by scraper plate drive unit drives, squeegee unit includes scraper plate rotating shaft 31, scraper plate 33 and scrape framework 32, scraper plate rotating shaft 31 is connected with the power output shaft end of scraper plate driver element, and be driven by rotating, scrape framework 32 to be connected by axle sleeve structure 34 is fixing with scraper plate rotating shaft 31, scraping framework 32 both sides, scraper plate 33 is set by articulated structure 35 connection, scraper plate 33 and scrape the hinged range of activity of framework 32 and meet scraper plate and the angle scraped between framework 32 changes between 90 °~180 °, the end that scraper plate 33 contacts with vaporization chamber wall 9 is provided with the blade coating face of inclination, and for by material blade coating film forming on vaporization chamber wall 9, the inclination angle in blade coating face is 3 °, scraper plate rotating shaft 31 is additionally provided with the helical blade 36 for forming rising exhaust stream.
Embodiment 3
A kind of high-efficiency falling film evaporation device, including evaporator body 1, it is provided with vaporization chamber in evaporator body 1, vaporization chamber also and forms toroidal cavity between evaporator body 1 inwall, heater assembly 2 is set in this toroidal cavity, heater assembly 2 is sealingly disposed on evaporator body 1 respectively through upper flange component 8 and lower flange assembly 6, evaporator body 1 is additionally provided with the steam inlet 5 and condensation-water drain 7 that are connected with heater assembly 2 respectively, steam inlet 5 is connected with external steam pipeline, and heater assembly 2 offer is added vapours, thus providing evaporation heat to the material to be evaporated on vaporization chamber wall 9, then add vapours to be condensed into condensed water and discharge through connected discharge pipe from condensation-water drain 7.
Evaporator body 1 top is provided with the distributing device assembly 4 being imported by material on vaporization chamber wall 9, distributing device assembly 4 includes cloth tray 41, charge outer ring 43 and charge inner ring 42, charge outer ring 43 and charge inner ring 42 are all fixedly installed in cloth tray 41, and and cloth tray 41 between formed for holding the annular charge space of material, charge outer ring 43 is also arranged with two discharging openings 46, cloth tray 41 is fixedly installed on evaporator body 1 top by cloth tray set 44, cloth tray 41 is provided with five steam discharge holes 45 at charge inner ring 42 around space place, steam discharge hole 45 is connected with vaporization chamber.
Evaporator body 1 is additionally provided with the scraper component 3 making material blade coating film forming on vaporization chamber wall 9 in vaporization chamber, scraper component 3 includes the scraper plate driver element being arranged on evaporator body 1, and the squeegee unit by scraper plate drive unit drives, squeegee unit includes scraper plate rotating shaft 31, scraper plate 33 and scrape framework 32, scraper plate rotating shaft 31 is connected with the power output shaft end of scraper plate driver element, and be driven by rotating, scrape framework 32 to be connected by axle sleeve structure 34 is fixing with scraper plate rotating shaft 31, scraping framework 32 both sides, scraper plate 33 is set by articulated structure 35 connection, scraper plate 33 and scrape the hinged range of activity of framework 32 and meet scraper plate and the angle scraped between framework 32 changes between 90 °~180 °, the end that scraper plate 33 contacts with vaporization chamber wall 9 is provided with the blade coating face of inclination, and for by material blade coating film forming on vaporization chamber wall 9, the inclination angle in blade coating face is 10 °, scraper plate rotating shaft 31 is additionally provided with the helical blade 36 for forming rising exhaust stream.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use utility model.These embodiments obviously easily can be made various amendment by person skilled in the art, and General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, this utility model is not limited to above-described embodiment, and those skilled in the art should within protection domain of the present utility model according to announcement of the present utility model, the improvement made without departing from this utility model category and amendment.

Claims (10)

1. a high-efficiency falling film evaporation device, it is characterized in that, including evaporator body (1), it is provided with vaporization chamber in evaporator body (1), toroidal cavity is formed between this vaporization chamber and evaporator body (1) inwall, heater assembly (2) is set in toroidal cavity, described evaporator body (1) top is provided with the distributing device assembly (4) imported by material on vaporization chamber wall (9), and described evaporator body (1) is additionally provided with the scraper component (3) making material in the upper blade coating film forming of vaporization chamber wall (9) in vaporization chamber.
2. a kind of high-efficiency falling film evaporation device according to claim 1, it is characterized in that, described scraper component (3) includes the scraper plate driver element being arranged on evaporator body (1), and the squeegee unit by scraper plate drive unit drives, described squeegee unit includes scraper plate rotating shaft (31) and scraper plate (33), described scraper plate rotating shaft (31) is connected with the power output shaft end of scraper plate driver element, and be driven by rotating, described scraper plate (33) is connected with scraper plate rotating shaft (31), and be used for material in the upper blade coating film forming of vaporization chamber wall (9).
3. a kind of high-efficiency falling film evaporation device according to claim 2, it is characterized in that, described squeegee unit also includes scraping framework (32), this is scraped framework (32) and is connected by axle sleeve structure (34) and scraper plate rotating shaft (31) are fixing, arranging scraper plate scraping the flexible connection of framework (32) both sides, the end that described scraper plate (33) contacts with vaporization chamber wall (9) is provided with the blade coating face of inclination.
4. a kind of high-efficiency falling film evaporation device according to claim 3, it is characterised in that the inclination angle in described blade coating face is 3 °~10 °.
5. a kind of high-efficiency falling film evaporation device according to claim 3, it is characterized in that, described scraper plate (33) is connected by articulated structure (35) with scraping framework (32), scraper plate (33) and scrape the hinged range of activity of framework (32) and meet scraper plate and the angle scraped between framework (32) changes between 90 °~180 °.
6. a kind of high-efficiency falling film evaporation device according to claim 2, it is characterised in that be additionally provided with the helical blade (36) for forming rising exhaust stream in described scraper plate rotating shaft (31).
7. a kind of high-efficiency falling film evaporation device according to claim 1, it is characterized in that, described distributing device assembly (4) includes cloth tray (41), charge outer ring (43) and charge inner ring (42), described charge outer ring (43) and charge inner ring (42) are all fixedly installed in cloth tray (41), and and cloth tray (41) between formed for holding the annular charge space of material, described charge outer ring (43) is also arranged with two discharging openings (46), described cloth tray (41) is fixedly installed on evaporator body (1) top by cloth tray set (44).
8. a kind of high-efficiency falling film evaporation device according to claim 7, it is characterized in that, described cloth tray (41) is provided with multiple steam discharge hole (45) at charge inner ring (42) around space place, and described steam discharge hole (45) is connected with vaporization chamber.
9. a kind of high-efficiency falling film evaporation device according to claim 1, it is characterized in that, described heater assembly (2) is sealingly disposed in evaporator body (1) respectively through upper flange component (8) and lower flange assembly (6).
10. a kind of high-efficiency falling film evaporation device according to claim 1, it is characterized in that, being additionally provided with the steam inlet (5) connecting heater assembly (2) respectively and condensation-water drain (7) on described evaporator body (1), described steam inlet (5) and condensation-water drain (7) are connected with external steam pipeline and condensed water elimination pipeline respectively.
CN201521088723.8U 2015-12-23 2015-12-23 High -efficient falling film evaporation ware Active CN205340174U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521088723.8U CN205340174U (en) 2015-12-23 2015-12-23 High -efficient falling film evaporation ware

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521088723.8U CN205340174U (en) 2015-12-23 2015-12-23 High -efficient falling film evaporation ware

Publications (1)

Publication Number Publication Date
CN205340174U true CN205340174U (en) 2016-06-29

Family

ID=56170189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521088723.8U Active CN205340174U (en) 2015-12-23 2015-12-23 High -efficient falling film evaporation ware

Country Status (1)

Country Link
CN (1) CN205340174U (en)

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