CN201291073Y - Filming device for tubular evaporator - Google Patents
Filming device for tubular evaporator Download PDFInfo
- Publication number
- CN201291073Y CN201291073Y CNU2008200417857U CN200820041785U CN201291073Y CN 201291073 Y CN201291073 Y CN 201291073Y CN U2008200417857 U CNU2008200417857 U CN U2008200417857U CN 200820041785 U CN200820041785 U CN 200820041785U CN 201291073 Y CN201291073 Y CN 201291073Y
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- film
- distribution plate
- distribution
- tube
- plate
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Abstract
The utility model discloses a film distribution device of a tube type falling-film evaporator, which comprises an upper tube plate arranged in an evaporator casing body, a plurality of lower supporting rods arranged on the upper tube plate, and distribution plates arranged at the upper end parts of the lower supporting rods. A plurality of distribution holes which are uniformly arranged and longitudinally perforated are arranged on the distribution plates; film distributors are respectively arranged in the distribution holes; a circle of blocking rings are arranged on the periphery of the distribution plate; a plurality of supporting rods are arranged on the distribution plate; an overflow tray is arranged on the supporting rod; a joint pipe is arranged at the middle part of the overflow tray; a circle of overflow edges are arranged on the periphery of the overflow tray; and a corresponding overflow pipe is arranged at the middle part of the distribution plate corresponding to the joint pipe. The film distribution device has the advantages that the structure is simple, the film distribution is uniform, the phenomena of film drying and film breaking in a heating tube can be avoided, and the service life of the tube type falling-film evaporator can be prolonged.
Description
Technical field
The utility model relates to a kind of tube-type down-flow evaporator, relates in particular to a kind of film-distributing device that is used for the tube-type down-flow evaporator of alumina industry.
Background technology
Film-distributing device is one of core apparatus of tube-type down-flow evaporator, and the effect of film-distributing device exactly need evaporated liquid be distributed in the tubular evaparator equably evaporates, thereby the dissolved matter crystallization in the liquid is separated out.The film-distributing device structure of traditional tube-type down-flow evaporator generally includes: be arranged on the upper perforated plate in the evaporator shell, the heat-exchange tube that upper perforated plate in the evaporator shell and upper perforated plate are used for fixing tubular type, be arranged on the some lower support bars on the upper perforated plate, be arranged on the distribution plate of lower support bar upper end, offer some evenly arranging and the dispensing orifice of up/down perforation on the distribution plate, be respectively arranged with filming device in the dispensing orifice, be provided with a circle back-up ring around the distribution plate, the top of distribution plate is provided with two-layer distribution plate by support member respectively.During this film-distributing device work, need the stoste of evaporation to flow into cloth film chamber through the inlet of case top, this stoste flows in the indoor ground floor distribution plate of cloth film, and around distribution plate, evenly overflow, flow into second layer distribution plate and the 3rd layer of distribution plate then successively, owing in the dispensing orifice of the 3rd layer of distribution plate filming device is set respectively, liquid evenly flows in the tubular evaparator after dispensing orifice is flowed through filming device, and on the tube wall of tubular evaparator, form uniform falling liquid film, at this moment, stoste in the pipe is by the outer high-temperature vapour heating of tube wall, heated stoste flows into the separation chamber, and after the vapor-liquid separating device in the separation chamber separated, steam was overflowed from steam drain, all the other mother liquors and crystal enter the bottom of separation chamber, thereby realize Crystallization Separation.The film-distributing device of the tube-type down-flow evaporator of this three-decker, structure are comparatively doted on greatly, and occupation space is bigger, the installation and maintenance trouble, and in the assigning process of liquid, be prone to the fluid superposition phenomenon, cause the bias current of fluid in heating tube, thereby dry film and disconnected film in the heating tube take place.
The utility model content
First technical problem to be solved in the utility model is: provide a kind of simple for structure, convenient for installation and maintenance; And the film-distributing device of the tube-type down-flow evaporator of fluid distributed uniform.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the film-distributing device of tube-type down-flow evaporator, comprise the upper perforated plate that is arranged in the evaporator shell, be arranged on the some lower support bars on the upper perforated plate, be arranged on the distribution plate of lower support bar upper end, offer some evenly arranging and the dispensing orifice of up/down perforation on the distribution plate, be respectively arranged with filming device in the dispensing orifice, be provided with a circle back-up ring around the distribution plate, described distribution plate is provided with some support bars, support bar is provided with seal cup, the middle part of seal cup is provided with adapter, be provided with a circle downflow weir around the seal cup, be provided with corresponding overflow pipe with the corresponding distribution plate of adapter middle part.
Second technical problem to be solved in the utility model is: provide a kind of usefulness can make the film-distributing device of filming device tube-type down-flow evaporator of more even cloth film in pipe.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of film-distributing device of tube-type down-flow evaporator also comprises: be triangular arranged between each adjacent dispensing orifice on the described distribution plate, each filming device is the inlet of corresponding a plurality of heating tubes respectively.
The beneficial effects of the utility model are: simple in structure, the cloth film is even, can not produce dry film and disconnected film phenomenon in the heating tube, can prolong the service life of tube-type down-flow evaporator.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the film-distributing device of the utility model tube-type down-flow evaporator;
Fig. 2 is the structural representation of film-distributing device among Fig. 1;
Fig. 3 is the plan structure schematic diagram of film-distributing device among Fig. 1;
Fig. 4 is the stereogram of filming device.
Among Fig. 1 to Fig. 4: 1, upper perforated plate, 2, lower support bar, 3, distribution plate, 4, dispensing orifice, 5, filming device, 6, back-up ring, 7, support bar, 8, seal cup, 9, take over, 10, downflow weir, 11, overflow pipe.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As Fig. 1,2, shown in 3 and 4, the film-distributing device of tube-type down-flow evaporator, comprise the upper perforated plate 1 that is arranged in the evaporator shell, be arranged on the some lower support bars 2 on the upper perforated plate 1, be arranged on the distribution plate 3 of lower support bar 2 upper ends, evenly offer some evenly arranging and the dispensing orifice 4 of up/down perforation on the distribution plate 3, be respectively arranged with filming device 5 in the dispensing orifice 4, be provided with a circle back-up ring 6 around the distribution plate 3, described distribution plate 3 is provided with some support bars 7, support bar 7 is provided with seal cup 8, the middle part of seal cup 8 is provided with takes over 9, be provided with a circle downflow weir 10 around the seal cup 8, be provided with corresponding overflow pipe 11 with adapter 9 corresponding distribution plates 3 middle parts.
Shown in Fig. 3 and 4, be triangular arranged between each adjacent dispensing orifice 4 on the described distribution plate 3, each filming device 5 is the inlet of corresponding a plurality of heating tubes respectively.
During this film-distributing device work, the stoste that need evaporate flows directly into the seal cup 8 on upper strata, cloth film chamber from the inlet of case top, evenly overflow on the downflow weir 10 of part liquid around seal cup 8 and flow into below distribution plate 3 in, another part liquid then flows in the overflow pipe 11 at distribution plate 3 middle parts from the adapter 9 at middle part downwards, overflow in distribution plate 3 through overflow pipe 11 again, owing in the dispensing orifice 4 on the distribution plate 3 filming device 5 is set respectively, liquid evenly flows into the porch of each evaporation tube of tubular evaparators from dispensing orifice 4 filming device 5 back of flowing through, and on the tube wall of tubular evaparator, form uniform falling liquid film, the high-temperature vapour heating of stoste in the pipe after by pipe, the part steam is overflowed from the gas outlet, and remaining stoste then enters the bottom, separation chamber.
Claims (2)
1, the film-distributing device of tube-type down-flow evaporator, comprise the upper perforated plate (1) that is arranged in the evaporator shell, be arranged on the some lower support bars (2) on the upper perforated plate (1), be arranged on the distribution plate (3) of lower support bar (2) upper end, offer some evenly arranging and the dispensing orifice (4) of up/down perforation on the distribution plate (3), be respectively arranged with filming device (5) in the dispensing orifice (4), be provided with a circle back-up ring (6) around the distribution plate (3), it is characterized in that: described distribution plate (3) is provided with some support bars (7), support bar (7) is provided with seal cup (8), the middle part of seal cup (8) is provided with adapter (9), be provided with a circle downflow weir (10) around the seal cup (8), be provided with corresponding overflow pipe (11) with adapter (9) corresponding distribution plate (3) middle part.
2, the film-distributing device of tube-type down-flow evaporator according to claim 1 is characterized in that: described distribution plate (3) is gone up between each adjacent dispensing orifice (4) and is triangular arranged, and each filming device (5) is the inlet of corresponding a plurality of heating tubes respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200417857U CN201291073Y (en) | 2008-09-03 | 2008-09-03 | Filming device for tubular evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200417857U CN201291073Y (en) | 2008-09-03 | 2008-09-03 | Filming device for tubular evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201291073Y true CN201291073Y (en) | 2009-08-19 |
Family
ID=41004526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200417857U Expired - Fee Related CN201291073Y (en) | 2008-09-03 | 2008-09-03 | Filming device for tubular evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201291073Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672585B (en) * | 2008-09-09 | 2012-04-25 | 贵阳铝镁设计研究院有限公司 | Filming device |
| CN102814053A (en) * | 2012-08-10 | 2012-12-12 | 肥城金塔机械有限公司 | Film distribution apparatus used in falling-film evaporator |
| CN104128012A (en) * | 2014-08-26 | 2014-11-05 | 南通赛孚机械设备有限公司 | Material distribution system of falling-film evaporator |
| CN105013197A (en) * | 2015-06-03 | 2015-11-04 | 上海神农节能环保科技股份有限公司 | Efficient mechanical vapor recompression (MVR) evaporator with resource recycling function |
-
2008
- 2008-09-03 CN CNU2008200417857U patent/CN201291073Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672585B (en) * | 2008-09-09 | 2012-04-25 | 贵阳铝镁设计研究院有限公司 | Filming device |
| CN102814053A (en) * | 2012-08-10 | 2012-12-12 | 肥城金塔机械有限公司 | Film distribution apparatus used in falling-film evaporator |
| CN102814053B (en) * | 2012-08-10 | 2014-09-03 | 肥城金塔机械科技有限公司 | Film distribution apparatus used in falling-film evaporator |
| CN104128012A (en) * | 2014-08-26 | 2014-11-05 | 南通赛孚机械设备有限公司 | Material distribution system of falling-film evaporator |
| CN104128012B (en) * | 2014-08-26 | 2016-01-20 | 南通赛孚机械设备有限公司 | A kind of falling film evaporator material distributing system |
| CN105013197A (en) * | 2015-06-03 | 2015-11-04 | 上海神农节能环保科技股份有限公司 | Efficient mechanical vapor recompression (MVR) evaporator with resource recycling function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20120903 |