CN102814053A - Film distribution apparatus used in falling-film evaporator - Google Patents
Film distribution apparatus used in falling-film evaporator Download PDFInfo
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- CN102814053A CN102814053A CN2012102832516A CN201210283251A CN102814053A CN 102814053 A CN102814053 A CN 102814053A CN 2012102832516 A CN2012102832516 A CN 2012102832516A CN 201210283251 A CN201210283251 A CN 201210283251A CN 102814053 A CN102814053 A CN 102814053A
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- liquid collecting
- feed tube
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- collecting plate
- film evaporator
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Abstract
The invention relates to a film distribution apparatus used in a falling-film evaporator. According to the invention, the apparatus comprises a device I, a device II, and a drain plate which are sequentially arranged on the top of the falling-film evaporator. With the device I, a material liquid flows down along a side wall of a liquid inlet pipe. With the device II, the material liquid flows down along the side wall of the liquid inlet pipe according to zones. With the drain plate, the material liquid is divided into a plurality of flows. When the material liquid entered the falling-film evaporator flows down along the side wall of the liquid inlet pipe, surface tension of the material liquid is released; and the material liquid is distributed and flows down according to zones, such that distribution uniformity of the material liquid is improved, and the performance of the falling-film evaporator is improved.
Description
Technical field
The present invention relates to a kind of film-distributing device, especially a kind of film-distributing device that is used for falling film evaporator.
Background technology
Falling film evaporation is that feed liquid is added from falling film evaporator heating clamber upper tube box, through liquid distribution and film formation device, is evenly distributed in each heat exchanger tube, under gravity and vacuum induced and air-flow effect, becomes evenly membranaceous and flows from top to bottom; In the flow process, by shell side heat medium heating vaporization, the steam of generation and liquid phase get into the separation chamber of evaporimeter jointly; Vapour-liquid is through fully separating; Steam gets into condenser condenses or gets into down 1st effective evaporator as heat medium, thereby realizes the multiple-effect operation, and liquid phase is then discharged by the separation chamber; The evaporation and concentration of water or organic solvent solution that is widely used in industries such as medicine, food, chemical industry, light industry is dense, and can be widely used in the liquid waste processing of above industry; Especially be applicable to heat sensitive material; This equipment carries out continued operation under the vacuum and low temperature condition, have the evaporability height, energy-saving and cost-reducing, operating cost is low and can guarantee material consistency in evaporation process, so falling film evaporator is an important light industry device; And film-distributing device is the vitals of falling film evaporator; At the existing film-distributing device that is used for falling film evaporator and since material heat exchanger tube distribute inhomogeneous, make material produce the phenomenon of fouling at the heat exchanger tube inwall; Thereby influence the performance of heat exchanger tube, reduced the evaporation efficiency and the treating capacity of evaporimeter.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this invention is to provide a kind of film-distributing device that is used for falling film evaporator, therefore improved the distributing homogeneity of material liquid, improved the performance of falling film evaporator.
For achieving the above object, the technical scheme that the present invention takes is: include the top that is arranged on falling film evaporator be disposed with make material liquid along the dirty device I of feed tube sidewall, make material liquid by the zone along the dirty device II of feed tube sidewall, make material liquid be divided into the bushing of some flows.
When the material liquid that enters into falling film evaporator is dirty along the feed tube sidewall, the surface tension of material liquid is discharged, through make the distribution of material liquid dirty according to the zone, therefore improved the distributing homogeneity of material liquid again, improved the performance of falling film evaporator.
The present invention has designed; Include the joining one-level feed tube of the top and sidewall falling film evaporator that is arranged on falling film evaporator, be arranged on the one-level feed tube and make material liquid along the dirty one-level liquid collecting plate of the sidewall of one-level feed tube, be arranged on the lower end of one-level feed tube the secondary liquid collecting plate, be distributed on the secondary liquid collecting plate and make the dirty secondary feed tube of material liquid with being used for the subregion, be arranged on the secondary feed tube and make material liquid along the dirty shutter of the sidewall of secondary feed tube, be provided with bushing with small opening in the lower end of secondary liquid collecting plate, bushing is set at least two.
The present invention has designed, and the lower surface of one-level feed tube is provided with the lug boss of profile of tooth, is provided with the lug boss of profile of tooth on the top of secondary feed tube.The present invention has designed, and also includes feed tube and impingement baffle, divides bushing to be set to include three grades of liquid collecting plates and level Four liquid collecting plate; Top at falling film evaporator is provided with feed tube, is provided with impingement baffle in the lower end of feed tube, and the cross section of impingement baffle is set to herringbone; Sidewall at the lower end edge falling film evaporator of feed tube is provided with the one-level feed tube, and the one-level feed tube is set to connect with the sidewall of falling film evaporator, is provided with the one-level liquid collecting plate at the central part of one-level feed tube; Be provided with the secondary liquid collecting plate in the lower end of one-level liquid collecting plate, the secondary liquid collecting plate is provided with the secondary feed tube, and the secondary feed tube is provided with a plurality of and is distributed on the secondary liquid collecting plate; The top of secondary feed tube is provided with shutter; The cross section of shutter is set to herringbone, is provided with three grades of liquid collecting plates in the lower end of secondary liquid collecting plate, and three grades of liquid collecting plates are provided with small opening; Be provided with the level Four liquid collecting plate in the lower end of three grades of liquid collecting plates, the level Four liquid collecting plate is provided with small opening.
The present invention has designed; On three grades of liquid collecting plates and level Four liquid collecting plate, be respectively arranged with the central point of corresponding secondary feed tube is the equilateral triangle zone at center; The equilateral triangle zone of three grades of liquid collecting plates and level Four liquid collecting plate is set to be made up of parting bead; The equilateral triangle zone of three grades of liquid collecting plates is set to be interconnected, and the equilateral triangle zone of level Four liquid collecting plate is set to be interconnected.
The present invention has designed, and ratio is set to 1:0.01-0.02:0.03-0.04 between the small opening diameter of the diameter of secondary feed tube and three grades of liquid collecting plates and the small opening diameter of level Four liquid collecting plate.
Description of drawings
Fig. 1 is a sketch map of the present invention.
Fig. 2 is the A-A profile of Fig. 1:
Fig. 3 is the B-B profile of Fig. 1.
The specific embodiment
Accompanying drawing is first embodiment of the present invention, specifies present embodiment in conjunction with accompanying drawing, includes feed tube 1, impingement baffle 2, one-level liquid collecting plate 3, one-level feed tube 4, shutter 5, secondary feed tube 6, secondary liquid collecting plate 9, three grades of liquid collecting plates 7 and level Four liquid collecting plates 8; Be provided with feed tube 1 on the top of falling film evaporator; Be provided with impingement baffle 2 in the lower end of feed tube 1, the cross section of impingement baffle 2 is set to herringbone, is provided with one-level feed tube 4 at the sidewall of the lower end edge falling film evaporator of feed tube 1; One-level feed tube 4 is set to connect with the sidewall of falling film evaporator and the lower surface of one-level feed tube 4 is provided with the lug boss of profile of tooth; Central part at one-level feed tube 4 is provided with one-level liquid collecting plate 3, is provided with secondary liquid collecting plate 9 in the lower end of one-level liquid collecting plate 3, and secondary liquid collecting plate 9 is provided with secondary feed tube 6; Secondary feed tube 6 is provided with a plurality of and is distributed on the secondary liquid collecting plate 9; The top of secondary feed tube 6 is provided with shutter 5, and the top of secondary feed tube 6 is provided with the lug boss of profile of tooth, and the cross section of shutter 5 is set to herringbone; Be provided with three grades of liquid collecting plates 7 in the lower end of secondary liquid collecting plate 9; Three grades of liquid collecting plates 7 are provided with small opening, are provided with level Four liquid collecting plate 8 in the lower end of three grades of liquid collecting plates 7, and level Four liquid collecting plate 8 is provided with small opening.
In the present embodiment; On three grades of liquid collecting plates 7 and level Four liquid collecting plate 8, be respectively arranged with the central point of corresponding secondary feed tube 6 is the equilateral triangle zone at center; The equilateral triangle zone of three grades of liquid collecting plates 7 and level Four liquid collecting plate 8 is set to be made up of parting bead; The equilateral triangle zone of three grades of liquid collecting plates 7 is set to be interconnected, and the equilateral triangle zone of level Four liquid collecting plate 8 is set to be interconnected.
In the present embodiment, the small opening diameter of the small opening diameter of the diameter of secondary feed tube 6 and three grades of liquid collecting plates 7 and level Four liquid collecting plate 8 between ratio be set to 1:0.01:0.03.
Material liquid gets into from feed tube 1, and through the effect of impingement baffle 2, forming with the center of feed tube 1 is the cylinder feed liquid stream in the center of circle; Be sprayed onto on the one-level liquid collecting plate 3, diffusion is dirty along the sidewall of one-level feed tube 4 on one-level liquid collecting plate 3; Enter into secondary liquid collecting plate 9; When material liquid when secondary liquid collecting plate 9 collects certain height, material liquid is dirty along the sidewall of secondary feed tube 6, enters into three grades of liquid collecting plates 7; Material liquid enters into level Four liquid collecting plate 8 through the small opening of three grades of liquid collecting plates 7, and last material liquid enters into falling film evaporator by the small opening of level Four liquid collecting plate 8.
When using the present embodiment test, get the waste liquid that produces when producing alcohol, the waste liquid of the same volume of variable concentrations is made an experiment, it is that the effect of 30-60% is best that test shows concentration, the mobile performance of waste liquid is also best simultaneously.
Second embodiment of the present invention, ratio is set to 1:0.02:0.04 between the small opening diameter of the diameter of secondary feed tube 6 and three grades of liquid collecting plates 7 and the small opening diameter of level Four liquid collecting plate 8.
The 3rd embodiment of the present invention, ratio is set to 1:0.015:0.035 between the small opening diameter of the diameter of secondary feed tube 6 and three grades of liquid collecting plates 7 and the small opening diameter of level Four liquid collecting plate 8.
The 4th embodiment of the present invention, ratio is set to 1:0.018:0.032 between the small opening diameter of the diameter of secondary feed tube 6 and three grades of liquid collecting plates 7 and the small opening diameter of level Four liquid collecting plate 8.
The 5th embodiment of the present invention, ratio is set to 1:0.012:0.038 between the small opening diameter of the diameter of secondary feed tube 6 and three grades of liquid collecting plates 7 and the small opening diameter of level Four liquid collecting plate 8.
The present invention has following characteristics:
1, because to have designed material liquid dirty along the feed tube sidewall, the surface tension of material liquid is discharged, dirty through material liquid is distributed again, therefore improved the distributing homogeneity of material liquid, improved the performance of falling film evaporator.
2, owing to designed one-level liquid collecting plate 3 and shutter 5; Make material liquid dirty, not only slowed down the flowing velocity of material liquid, and the surface tension of material liquid is fully discharged along the feed tube sidewall; Through three grades of liquid collecting plates 7 and level Four liquid collecting plate 8 time, the active force of opening strand is little.
3, owing to designed the lug boss of the profile of tooth of one-level feed tube 4 and secondary feed tube 6, make material liquid when falling or get into, just formed the drop shape, be more conducive to the intermolecular of material liquid and interrupted.
In being used for the film-distributing device technical field of falling film evaporator; Every include the top that is arranged on falling film evaporator be disposed with make material liquid along the dirty device I of feed tube sidewall, make material liquid by the zone along the dirty device II of feed tube sidewall, make the technology contents of bushing that material liquid is divided into some flows all in protection scope of the present invention.
Claims (6)
1. film-distributing device that is used for falling film evaporator; It is characterized in that: include the top that is arranged on falling film evaporator be disposed with make material liquid along the dirty device I of feed tube sidewall, make material liquid by the zone along the dirty device II of feed tube sidewall, make material liquid be divided into the bushing of some flows.
2. the film-distributing device that is used for falling film evaporator according to claim 1; It is characterized in that: include the joining one-level feed tube of the top and sidewall falling film evaporator (4) that is arranged on falling film evaporator, be arranged on one-level feed tube (4) go up and make material liquid along the dirty one-level liquid collecting plate (3) of the sidewall of one-level feed tube (4), be arranged on the lower end of one-level feed tube (4) secondary liquid collecting plate (9), be distributed in secondary liquid collecting plate (9) and go up and make the dirty secondary feed tube (6) of material liquid with being used for the subregion, be arranged on the secondary feed tube (6) and make material liquid along the dirty shutter (5) of the sidewall of secondary feed tube (6), be provided with bushing with small opening in the lower end of secondary liquid collecting plate (9), bushing is set at least two.
3. the film-distributing device that is used for falling film evaporator according to claim 2; It is characterized in that: the lower surface of one-level feed tube (4) is provided with the lug boss of profile of tooth, is provided with the lug boss of profile of tooth on the top of secondary feed tube (6).
4. the film-distributing device that is used for falling film evaporator according to claim 2; It is characterized in that: also include feed tube (1) and impingement baffle (2); Divide bushing to be set to include three grades of liquid collecting plates (7) and level Four liquid collecting plate (8); Be provided with feed tube (1) on the top of falling film evaporator, be provided with impingement baffle (2) in the lower end of feed tube (1), the cross section of impingement baffle (2) is set to herringbone; Sidewall at the lower end edge falling film evaporator of feed tube (1) is provided with one-level feed tube (4); One-level feed tube (4) is set to connect with the sidewall of falling film evaporator, is provided with one-level liquid collecting plate (3) at the central part of one-level feed tube (4), is provided with secondary liquid collecting plate (9) in the lower end of one-level liquid collecting plate (3); Secondary liquid collecting plate (9) is provided with secondary feed tube (6); Secondary feed tube (6) is provided with a plurality of and is distributed on the secondary liquid collecting plate (9), and the top of secondary feed tube (6) is provided with shutter (5), and the cross section of shutter (5) is set to herringbone; Be provided with three grades of liquid collecting plates (7) in the lower end of secondary liquid collecting plate (9); Three grades of liquid collecting plates (7) are provided with small opening, are provided with level Four liquid collecting plate (8) in the lower end of three grades of liquid collecting plates (7), and level Four liquid collecting plate (8) is provided with small opening.
5. the film-distributing device that is used for falling film evaporator according to claim 4; It is characterized in that: on three grades of liquid collecting plates (7) and level Four liquid collecting plate (8), being respectively arranged with the central point of corresponding secondary feed tube (6) is the equilateral triangle zone at center; The equilateral triangle zone of three grades of liquid collecting plates (7) and level Four liquid collecting plate (8) is set to be made up of parting bead; The equilateral triangle zone of three grades of liquid collecting plates (7) is set to be interconnected, and the equilateral triangle zone of level Four liquid collecting plate (8) is set to be interconnected.
6. the film-distributing device that is used for falling film evaporator according to claim 4; It is characterized in that: ratio is set to 1:0.01-0.02:0.03-0.04 between the small opening diameter of the diameter of secondary feed tube (6) and three grades of liquid collecting plates (7) and the small opening diameter of level Four liquid collecting plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210283251.6A CN102814053B (en) | 2012-08-10 | 2012-08-10 | Film distribution apparatus used in falling-film evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210283251.6A CN102814053B (en) | 2012-08-10 | 2012-08-10 | Film distribution apparatus used in falling-film evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102814053A true CN102814053A (en) | 2012-12-12 |
| CN102814053B CN102814053B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210283251.6A Active CN102814053B (en) | 2012-08-10 | 2012-08-10 | Film distribution apparatus used in falling-film evaporator |
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| CN (1) | CN102814053B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705506A (en) * | 2015-07-14 | 2017-05-24 | 江苏万节能科技股份有限公司 | Filler type falling film uniform distributor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1033599A (en) * | 1963-09-23 | 1966-06-22 | Axel Eberhard Rosenblad | Improvements relating to falling film type evaporators |
| CN201291073Y (en) * | 2008-09-03 | 2009-08-19 | 苏州市中衡压力容器制造有限公司 | Filming device for tubular evaporator |
| CN102000437A (en) * | 2010-09-03 | 2011-04-06 | 广东工业大学 | Falling film evaporator with gas-liquid separating and membrane-distributing functions |
| CN102258930A (en) * | 2011-05-26 | 2011-11-30 | 浙江森力机械科技有限公司 | Equalized flow liquid distributor |
| CN202274680U (en) * | 2011-08-18 | 2012-06-13 | 浙江盾安人工环境股份有限公司 | Improved structure of liquid distributor liquid distribution plate |
| CN202777839U (en) * | 2012-08-10 | 2013-03-13 | 肥城金塔机械有限公司 | Film distribution apparatus used in falling-film evaporator |
-
2012
- 2012-08-10 CN CN201210283251.6A patent/CN102814053B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1033599A (en) * | 1963-09-23 | 1966-06-22 | Axel Eberhard Rosenblad | Improvements relating to falling film type evaporators |
| CN201291073Y (en) * | 2008-09-03 | 2009-08-19 | 苏州市中衡压力容器制造有限公司 | Filming device for tubular evaporator |
| CN102000437A (en) * | 2010-09-03 | 2011-04-06 | 广东工业大学 | Falling film evaporator with gas-liquid separating and membrane-distributing functions |
| CN102258930A (en) * | 2011-05-26 | 2011-11-30 | 浙江森力机械科技有限公司 | Equalized flow liquid distributor |
| CN202274680U (en) * | 2011-08-18 | 2012-06-13 | 浙江盾安人工环境股份有限公司 | Improved structure of liquid distributor liquid distribution plate |
| CN202777839U (en) * | 2012-08-10 | 2013-03-13 | 肥城金塔机械有限公司 | Film distribution apparatus used in falling-film evaporator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705506A (en) * | 2015-07-14 | 2017-05-24 | 江苏万节能科技股份有限公司 | Filler type falling film uniform distributor |
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| Publication number | Publication date |
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| CN102814053B (en) | 2014-09-03 |
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| ASS | Succession or assignment of patent right |
Owner name: FEICHENG PYRAMID MACHINERY CO., LTD. Free format text: FORMER OWNER: JINTA MACHINERY CO., LTD., FEICHENG Effective date: 20140714 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20140714 Address after: 271600 hi tech Industrial Development Zone, Tai'an, Shandong, Feicheng Applicant after: FEICHENG PYRAMID MACHINERY CO., LTD. Address before: 271600 No. 044 Tai Chi Road, Feicheng, Shandong, Tai'an Applicant before: Jinta Machinery Co., Ltd., Feicheng |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Film distribution device for falling film evaporator Effective date of registration: 20220602 Granted publication date: 20140903 Pledgee: Bank of Qingdao Co.,Ltd. Tai'an Feicheng sub branch Pledgor: FEICHENG PYRAMID MACHINERY Co.,Ltd. Registration number: Y2022980006875 |