CN102814053B - Film distribution apparatus used in falling-film evaporator - Google Patents
Film distribution apparatus used in falling-film evaporator Download PDFInfo
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- CN102814053B CN102814053B CN201210283251.6A CN201210283251A CN102814053B CN 102814053 B CN102814053 B CN 102814053B CN 201210283251 A CN201210283251 A CN 201210283251A CN 102814053 B CN102814053 B CN 102814053B
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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 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 airflow function, becomes evenly membranaceous and flows from top to bottom, in flow process, by shell side heat medium heating vaporization, the separation chamber that the steam producing and liquid phase enter evaporimeter jointly, vapour-liquid is through fully separated, steam enters condenser condenses or enters lower 1st effective evaporator as heat medium, thereby realizes multiple-effect operation, and liquid phase Ze You separation chamber discharges, be widely used in the water of industry such as medicine, food, chemical industry, light industry or the evaporation and concentration of organic solvent solution 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 vacuum and low temperature condition, there is evaporability high, energy-saving and cost-reducing, operating cost is low, and can guarantee material consistency in evaporation process, therefore 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 for falling film evaporator, due to material at heat exchanger tube, distribute inhomogeneous, make material at heat exchanger tube inwall, produce the phenomenon of fouling, thereby affect the performance of heat exchanger tube, evaporation efficiency and the treating capacity of evaporimeter have been reduced.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the object of this invention is to provide a kind of film-distributing device 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 region along the dirty device II of feed tube sidewall, make material liquid be divided into the bushing of some liquid streams.
When entering into the material liquid of falling film evaporator when dirty along feed tube sidewall, the surface tension of material liquid is discharged, dirtier by make material liquid distribute according to region, therefore improved the distributing homogeneity of material liquid, improved the performance of falling film evaporator.
The present invention has designed, include the joining one-level feed tube of top and sidewall falling film evaporator that is arranged on falling film evaporator, be arranged on 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 secondary liquid collecting plate of the lower end of one-level feed tube, be distributed on secondary liquid collecting plate and for making in subregional the dirty secondary feed tube of material liquid, be arranged on secondary feed tube and make material liquid along the dirty shutter of the sidewall of secondary feed tube, in the lower end of secondary liquid collecting plate, be provided with the bushing with small opening, bushing is set at least two.
The present invention has designed, and is provided with the lug boss of profile of tooth on the lower surface of one-level feed tube, is provided with the lug boss of profile of tooth on the top of secondary feed tube.The present invention has designed, also include feed tube and impingement baffle, divide 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, lower end at feed tube is provided with impingement baffle, 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 one-level feed tube, one-level feed tube is set to connect with the sidewall of falling film evaporator, central part at one-level feed tube is provided with one-level liquid collecting plate, in the lower end of one-level liquid collecting plate, be provided with secondary liquid collecting plate, on secondary liquid collecting plate, be provided with secondary feed tube, secondary feed tube is provided with a plurality of and is distributed on secondary liquid collecting plate, the top of secondary feed tube is provided with shutter, the cross section of shutter is set to herringbone, in the lower end of secondary liquid collecting plate, be provided with three grades of liquid collecting plates, on three grades of liquid collecting plates, be provided with small opening, in the lower end of three grades of liquid collecting plates, be provided with level Four liquid collecting plate, on level Four liquid collecting plate, be 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 equilateral triangle region centered by the central point of corresponding secondary feed tube, the equilateral triangle region division of three grades of liquid collecting plates and level Four liquid collecting plate is for to be comprised of parting bead, the equilateral triangle region division of three grades of liquid collecting plates is for being interconnected, and the equilateral triangle region division of level Four liquid collecting plate is for being interconnected.
The present invention has designed, and 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, ratio setting is 1:0.01-0.02:0.03-0.04.
Accompanying drawing explanation
Fig. 1 is schematic diagram 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, illustrate by reference to the accompanying drawings the present embodiment, include 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 plate 8, on the top of falling film evaporator, be provided with feed tube 1, in the lower end of feed tube 1, be provided with impingement baffle 2, 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 and be provided with on the lower surface of one-level feed tube 4 with the sidewall of falling film evaporator the lug boss of profile of tooth, central part at one-level feed tube 4 is provided with one-level liquid collecting plate 3, in the lower end of one-level liquid collecting plate 3, be provided with secondary liquid collecting plate 9, on secondary liquid collecting plate 9, be provided with secondary feed tube 6, secondary feed tube 6 is provided with a plurality of and is distributed on secondary liquid collecting plate 9, the top of secondary feed tube 6 is provided with shutter 5, the top of secondary feed tube 6 is provided with the lug boss of profile of tooth, the cross section of shutter 5 is set to herringbone, in the lower end of secondary liquid collecting plate 9, be provided with three grades of liquid collecting plates 7, on three grades of liquid collecting plates 7, be provided with small opening, in the lower end of three grades of liquid collecting plates 7, be provided with level Four liquid collecting plate 8, on level Four liquid collecting plate 8, be 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 equilateral triangle region centered by the central point of corresponding secondary feed tube 6, the equilateral triangle region division of three grades of liquid collecting plates 7 and level Four liquid collecting plate 8 is for to be comprised of parting bead, the equilateral triangle region division of three grades of liquid collecting plates 7 is for being interconnected, and the equilateral triangle region division of level Four liquid collecting plate 8 is for being interconnected.
In the present embodiment, 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 between ratio setting be 1:0.01:0.03.
Material liquid enters from feed tube 1, by the effect of impingement baffle 2, the cylinder feed liquid stream that the center of feed tube 1 is the center of circle is take in formation, be sprayed onto on one-level liquid collecting plate 3, diffusion on one-level liquid collecting plate 3, sidewall along one-level feed tube 4 is dirty, enter into secondary liquid collecting plate 9, when material liquid is when secondary liquid collecting plate 9 collection arrive certain height, material liquid is dirty along the sidewall of secondary feed tube 6, enter into three grades of liquid collecting plates 7, material liquid enters into level Four liquid collecting plate 8 by the small opening of three grades of liquid collecting plates 7, last material liquid enters into falling film evaporator by the small opening of level Four liquid collecting plate 8.
When the test of application the present embodiment, get the waste liquid producing while producing alcohol, the waste liquid of the same volume of variable concentrations to be tested, the effect that it is 30-60% that test shows concentration is best, and the mobile performance of waste liquid is also best simultaneously.
Second embodiment of the present invention, 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, ratio setting is 1:0.02:0.04.
The 3rd embodiment of the present invention, 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, ratio setting is 1:0.015:0.035.
The 4th embodiment of the present invention, 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, ratio setting is 1:0.018:0.032.
The 5th embodiment of the present invention, 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, ratio setting is 1:0.012:0.038.
The present invention has lower feature:
1, dirty along feed tube sidewall owing to having designed material liquid, the surface tension of material liquid is discharged, dirtier by make material liquid distribute according to region, therefore improved the distributing homogeneity of material liquid, improved the performance of falling film evaporator.
2, owing to having designed one-level liquid collecting plate 3 and shutter 5, make material liquid dirty along feed tube sidewall, not only slowed down the flowing velocity of material liquid, and the surface tension of material liquid is fully discharged, when by three grades of liquid collecting plates 7 and level Four liquid collecting plate 8, the active force of opening strand is little.
3, owing to having 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 entering, just formed drop shape, be more conducive to the intermolecular of material liquid and interrupted.
In the film-distributing device technical field for 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 region along the dirty device II of feed tube sidewall, make the technology contents of bushing that material liquid is divided into some liquid streams all in protection scope of the present invention.
Claims (2)
1. the film-distributing device 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 region along the dirty device II of feed tube sidewall, make material liquid be divided into the bushing of some liquid streams;
Include the joining one-level feed tube of top and sidewall falling film evaporator (4) that is arranged on falling film evaporator, being arranged on one-level feed tube (4) goes up and makes material liquid along the dirty one-level liquid collecting plate (3) of the sidewall of one-level feed tube (4), be arranged on the secondary liquid collecting plate (9) of the lower end of one-level feed tube (4), be distributed on secondary liquid collecting plate (9) and for making in subregional the dirty secondary feed tube (6) of material liquid, being arranged on secondary feed tube (6) goes up and makes material liquid along the dirty shutter (5) of the sidewall of secondary feed tube (6), lower end at secondary liquid collecting plate (9) is provided with the bushing with small opening, bushing is set at least two,
On the lower surface of one-level feed tube (4), be provided with the lug boss of profile of tooth, on the top of secondary feed tube (6), be provided with the lug boss of profile of tooth;
Also include feed tube (1) and impingement baffle (2), bushing is set to include three grades of liquid collecting plates (7) and level Four liquid collecting plate (8), on the top of falling film evaporator, be provided with feed tube (1), in the lower end of feed tube (1), be provided with impingement baffle (2), 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, central part at one-level feed tube (4) is provided with one-level liquid collecting plate (3), in the lower end of one-level liquid collecting plate (3), be provided with secondary liquid collecting plate (9), on secondary liquid collecting plate (9), be provided with secondary feed tube (6), secondary feed tube (6) is provided with a plurality of and is distributed on secondary liquid collecting plate (9), the top of secondary feed tube (6) is provided with shutter (5), the cross section of shutter (5) is set to herringbone, in the lower end of secondary liquid collecting plate (9), be provided with three grades of liquid collecting plates (7), on three grades of liquid collecting plates (7), be provided with small opening, in the lower end of three grades of liquid collecting plates (7), be provided with level Four liquid collecting plate (8), on level Four liquid collecting plate (8), be provided with small opening,
On three grades of liquid collecting plates (7) and level Four liquid collecting plate (8), be respectively arranged with the equilateral triangle region centered by the central point of corresponding secondary feed tube (6), the equilateral triangle region division of three grades of liquid collecting plates (7) and level Four liquid collecting plate (8) is for to be comprised of parting bead, the equilateral triangle region division of three grades of liquid collecting plates (7) is for being interconnected, and the equilateral triangle region division of level Four liquid collecting plate (8) is for being interconnected.
2. the film-distributing device for falling film evaporator according to claim 1; It is characterized in that: 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), ratio setting is 1:0.01-0.02:0.03-0.04.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN102814053A CN102814053A (en) | 2012-12-12 |
| CN102814053B true CN102814053B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210283251.6A Active CN102814053B (en) | 2012-08-10 | 2012-08-10 | Film distribution apparatus used in falling-film evaporator |
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Families Citing this family (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 |
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| CN102814053A (en) | 2012-12-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| 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 | ||
| TA01 | Transfer of patent application right |
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 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |