CN107281770B - Controllable water distributor and falling film concentrator using same - Google Patents
Controllable water distributor and falling film concentrator using same Download PDFInfo
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- CN107281770B CN107281770B CN201710629051.4A CN201710629051A CN107281770B CN 107281770 B CN107281770 B CN 107281770B CN 201710629051 A CN201710629051 A CN 201710629051A CN 107281770 B CN107281770 B CN 107281770B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0064—Feeding of liquid into an evaporator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0082—Regulation; Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/06—Evaporators with vertical tubes
- B01D1/065—Evaporators with vertical tubes by film evaporating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
The invention discloses a controllable water distributor and a falling film concentrator using the same, comprising a liquid storage tank and a liquid inlet pipe, wherein the liquid inlet pipe is communicated with the liquid storage tank, and one end of the liquid inlet pipe extends to the inside of the liquid storage tank; the bottom of the liquid storage tank is provided with a plurality of liquid distribution branch pipes, the liquid distribution branch pipes are distributed in a matrix mode, and the liquid distribution branch pipes are inserted into the heat exchange pipes of the heat exchanger in a one-to-one alignment mode. The pressure of the Chinese herbal medicine solution in the liquid storage tank can be regulated by regulating the liquid inlet amount of the liquid inlet pipe, so that the liquid spraying amount of the liquid distribution branch pipe is changed, and the wetting amount of the heat exchange pipe is controlled, namely the initial thickness of a liquid film in the heat exchange pipe is controlled, so that the liquid film flows from the top end to the bottom end of the heat exchange pipe, and the thickness of the liquid film is thinned due to evaporation, but a thin layer still exists when the liquid film flows to the bottom end, thereby not only improving the evaporation rate of the liquid film, but also avoiding the occurrence of dry wall phenomenon and scaling.
Description
Technical Field
The invention relates to the technical field of concentration and evaporation equipment, in particular to a controllable water distributor and a falling film concentrator using the same.
Background
The falling film concentration is to add the feed liquid from the upper pipe box of the heating chamber of the falling film evaporator, uniformly distribute the feed liquid into each heat exchange pipe through a water distribution device, and flow into a uniform film shape from top to bottom under the action of gravity and air flow. The falling film concentration is often used for concentrating and evaporating liquid of medicines and foods due to low energy consumption.
However, the existing water distributor cannot control the initial thickness of the liquid film, the liquid film is completely evaporated if being too thin, and the heat exchange tube generates a dry wall phenomenon; if the liquid film is too thick, the concentration rate is low, and the concentration cycle times are increased; therefore, the falling film concentration device is easy to scale or dry, the heating pipe is longer, and the occupied space is large. The Chinese herbal medicine extract contains some macromolecular substances (such as polysaccharide, starch, colloid, etc.), dirt with particles, biological dirt mixture, etc., so that the Chinese herbal medicine solution is easy to coagulate to cause the dirt, and is uncomfortable to use falling film concentration, and the Chinese herbal medicine extract is mostly used for forced circulation concentration in the industry. Forced circulation concentration is not easy to scale, but has high energy consumption, so that the processing cost of the Chinese herbal medicine extract is high.
Disclosure of Invention
The invention aims to provide a controllable water distributor with an adjustable liquid film thickness.
The invention aims to provide a falling film thickener which has adjustable liquid film thickness, is not easy to scale or dry wall, occupies small space and is suitable for concentrating Chinese herbal medicine extract.
To achieve the purpose, the invention adopts the following technical scheme:
the controllable water distributor comprises a liquid storage tank and a liquid inlet pipe, wherein the liquid inlet pipe is communicated with the liquid storage tank, and one end of the liquid inlet pipe extends to the inside of the liquid storage tank;
the bottom of the liquid storage tank is provided with a plurality of liquid distribution branch pipes, the liquid distribution branch pipes are distributed in a matrix mode, and the liquid distribution branch pipes are inserted into the heat exchange pipes of the heat exchanger in a one-to-one alignment mode.
Preferably, the bottom of the liquid distribution branch pipe is sealed, and a plurality of liquid spraying holes are formed in the tangential direction of the side wall of the liquid distribution branch pipe.
Preferably, one end of the liquid inlet pipe is sealed, and a plurality of liquid outlet holes are formed in two sides of one section of the liquid inlet pipe, which is located in the liquid storage tank.
Preferably, the liquid storage tank further comprises a plurality of branch pipes, wherein the branch pipes are arranged in the liquid storage tank, and one ends of the branch pipes are communicated with the liquid inlet pipe;
the other end of the branch pipe is sealed, and a plurality of liquid outlet holes are formed in the side wall of the branch pipe.
Preferably, the falling film thickener using the controllable water distributor comprises a heater shell, an upper end socket and a plurality of heat exchange pipes, wherein the upper end of the heater shell is in sealing connection with the upper end socket, and the plurality of heat exchange pipes are arranged in the heater shell;
an upper tube plate is arranged at the upper end of the heater shell, and a lower tube plate is arranged at the lower end of the heater shell; the upper tube plate and the lower tube plate are provided with a plurality of heat exchange tube mounting holes in a distributed manner, and the heat exchange tubes are vertically arranged between the upper tube plate and the lower tube plate in an array manner through the heat exchange tube mounting holes;
the controllable water distributor is arranged in the upper sealing head, a plurality of liquid distribution branch pipes and a plurality of heat exchange pipes of the controllable water distributor are aligned one by one, and the liquid distribution branch pipes are inserted into the corresponding heat exchange pipes.
Preferably, the device also comprises a liquid inlet pump and a liquid inlet frequency converter, wherein a liquid outlet of the liquid inlet pump is communicated with the other end of a liquid inlet pipe of the controllable water distributor through a pipeline;
the liquid inlet frequency converter is electrically connected with the liquid inlet pump, and the liquid inlet frequency converter controls the rotating speed of the liquid inlet pump.
The controllable water distributor is a closed box body, a plurality of liquid distribution branch pipes are distributed in a matrix mode, a plurality of liquid distribution branch pipes and a plurality of heat exchange pipes of the falling film concentrator are aligned one by one, and the liquid distribution branch pipes are inserted into the corresponding heat exchange pipes. The pressure of the Chinese herbal medicine solution in the liquid storage tank can be regulated by regulating the liquid inlet amount of the liquid inlet pipe, so that the liquid spraying amount of the liquid distribution branch pipe is changed, and the wetting amount of the heat exchange pipe is controlled, namely the initial thickness of a liquid film in the heat exchange pipe is controlled, so that the liquid film flows from the top end to the bottom end of the heat exchange pipe, and the thickness of the liquid film is thinned due to evaporation, but a thin layer still exists when the liquid film flows to the bottom end, thereby not only improving the evaporation rate of the liquid film, but also avoiding the occurrence of dry wall phenomenon and scaling. Moreover, the controllable water distributor can adjust the initial thickness of the liquid film, so that the concentration of the solution basically reaches the standard after once concentration even if the heat exchange tube is longer.
Drawings
The present invention is further illustrated by the accompanying drawings, which are not to be construed as limiting the invention in any way.
FIG. 1 is a schematic view of a controllable water distributor according to one embodiment of the present invention;
FIG. 2 is a block diagram of the locations of a reservoir and a feed tube in accordance with one embodiment of the present invention;
FIG. 3 is a bottom view of a reservoir according to one embodiment of the present invention;
FIG. 4 is a schematic diagram of a manifold according to one embodiment of the present invention;
FIG. 5 is a schematic view of a branch pipe structure according to one embodiment of the present invention;
FIG. 6 is a schematic diagram of a falling film concentrator according to one embodiment of the present invention;
FIG. 7 is a diagram illustrating the use of a controllable water distributor according to one embodiment of the present invention.
Wherein: a liquid storage tank 1; a liquid inlet pipe 2; a liquid preparation branch pipe 11; a heat exchange tube 6; a controllable water distributor 10; a liquid ejection hole 12; a liquid outlet hole 21; a branch pipe 22; a heater housing 3; an upper head 4; a heat exchange tube 6; an upper tube plate 31; a lower tube sheet 32; a liquid inlet pump 9; a liquid inlet frequency converter 5; a heating outer shell 7; isothermal concentration tower 8; a secondary steam collecting cavity 81; a lower seal support plate 82; carrying convex surface 83.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
The controllable water distributor 10 of the embodiment, as shown in fig. 1 and 2, comprises a liquid storage tank 1 and a liquid inlet pipe 2, wherein the liquid inlet pipe 2 is communicated with the liquid storage tank 1, and one end of the liquid inlet pipe 2 extends to the inside of the liquid storage tank 1; the bottom of the liquid storage tank 1 is provided with a plurality of liquid distribution branch pipes 11, the liquid distribution branch pipes 11 are distributed in a matrix, as shown in fig. 3, and the liquid distribution branch pipes 11 are aligned one by one and inserted into the heat exchange pipes 6 of the heat exchanger, as shown in fig. 7.
The controllable water distributor 10 is a closed box body, a plurality of liquid distribution branch pipes 11 are distributed in a matrix mode, the liquid distribution branch pipes 11 and the heat exchange pipes 6 of the falling film concentrator are aligned one by one, and the liquid distribution branch pipes 11 are inserted into the corresponding heat exchange pipes 6.
The Chinese herbal medicine solution is input from the liquid inlet pipe 2, flows into the liquid storage tank 1, and flows to each heat exchange pipe 6 through the liquid distribution branch pipe 11. The pressure of the Chinese herbal medicine solution in the liquid storage tank 1 can be regulated by regulating the liquid inlet amount of the liquid inlet pipe 2, so that the liquid spraying amount of the liquid distribution branch pipe 11 is changed, and the wetting amount of the heat exchange pipe 6 is controlled, namely, the initial thickness of the liquid film in the heat exchange pipe 6 is controlled, so that the liquid film flows from the top end to the bottom end of the heat exchange pipe 6, and a thin layer still exists when the liquid film flows to the bottom end due to evaporation thinning, thereby not only improving the evaporation rate of the liquid film, but also avoiding the phenomenon of dry wall and scaling. Moreover, the controllable water distributor 10 can adjust the initial thickness of the liquid film, so that the concentration of the solution can reach the standard basically after once concentration no matter how long the heat exchange tube 6 is, and further support is provided for shortening the length of the heat exchange tube 6.
Preferably, as shown in fig. 2, the bottom of the liquid distribution branch pipe 11 is sealed, and a plurality of liquid spraying holes 12 are arranged in the tangential direction of the side wall of the liquid distribution branch pipe 11, as shown in fig. 4. The bottom of the liquid distribution branch pipe 11 is sealed, a plurality of liquid spraying holes 12 are formed in the side face of the liquid distribution branch pipe 11, and the Chinese herbal medicine solution is sprayed to the side wall of the heat exchange pipe 6 from the side face of the liquid distribution branch pipe 11, so that a liquid film is formed at the top end of the heat exchange pipe 6 more easily; if the Chinese herbal medicine solution is directly sprayed into the heat exchange tube 6 from the bottom of the liquid preparation branch tube 11, the position of the film forming position is lowered, and the dry wall phenomenon occurs at the top end of the heat exchange tube 6. Moreover, the liquid spraying holes 12 are vertically formed in the side wall of the liquid distribution branch pipe 11, so that the Chinese herbal medicine solution is sprayed out along the tangent line of the side wall of the liquid distribution branch pipe 11, and is spirally converged on the inner wall of the heat exchange pipe 6 to form a film, thereby ensuring that the top end of the heat exchange pipe 6 is completely wetted, ensuring that the thickness of a formed liquid film is uniform, and preventing bubbles from being formed in the liquid film.
Preferably, as shown in fig. 2, one end of the liquid inlet pipe 2 is sealed, and a plurality of liquid outlet holes 21 are provided on two sides of a section of the liquid inlet pipe 2 located in the liquid storage tank 1. The one end that is located in liquid reserve tank 1 of feed liquor pipe 2 is sealed to its both sides that are located one section of liquid reserve tank 1 are equipped with a plurality of drain holes 21, thereby chinese herbal medicine solution can evenly flow to whole liquid reserve tank 1, avoid liquid reserve tank 1's chinese herbal medicine solution uneven distribution leads to the chinese herbal medicine solution inequality that flows to each heat exchange tube 6, can play the effect of secondary pressurization moreover, enlarges chinese herbal medicine solution's injection range.
Preferably, as shown in fig. 5, the liquid storage tank further comprises a plurality of branch pipes 22, wherein the branch pipes 22 are arranged inside the liquid storage tank 1, and one ends of the branch pipes 22 are communicated with the liquid inlet pipe 2; the other end of the branch pipe 22 is sealed, and a plurality of liquid outlet holes 21 are formed in the side wall of the branch pipe 22. The plurality of branch pipes 22 are communicated with the liquid inlet pipe 2, so that the branch of the Chinese herbal medicine solution in the liquid inlet pipe is realized, the Chinese herbal medicine solution is quickly and uniformly sprayed to the whole liquid storage tank 1, and the uneven distribution of the Chinese herbal medicine solution in the liquid storage tank 1, which leads to uneven flow of the Chinese herbal medicine solution to each heat exchange pipe 6, is avoided.
Preferably, as shown in fig. 6, the falling film thickener using the controllable water distributor comprises a heater shell 3, an upper end enclosure 4 and a plurality of heat exchange tubes 6, wherein the upper end of the heater shell 3 is in sealing connection with the upper end enclosure 4, and the plurality of heat exchange tubes 6 are arranged in the heater shell 3;
an upper tube plate 31 is arranged at the upper end of the heater shell 3, and a lower tube plate 32 is arranged at the lower end of the heater shell 3; the upper tube plate 31 and the lower tube plate 32 are provided with a plurality of heat exchange tube mounting holes in a distributed manner, and a plurality of heat exchange tubes 6 are vertically arranged between the upper tube plate 31 and the lower tube plate 32 in an array manner through the heat exchange tube mounting holes;
the water distributor is characterized by further comprising a controllable water distributor 10, wherein the controllable water distributor 10 is arranged in the upper seal head 4, a plurality of liquid distribution branch pipes 11 and a plurality of heat exchange pipes 6 of the controllable water distributor 10 are aligned one by one, and the liquid distribution branch pipes 11 are inserted into the corresponding heat exchange pipes 6, as shown in fig. 7.
The falling film concentrator is used for concentrating Chinese herbal medicine solution, and Chinese herbal medicine stock solution with lower concentration enters the controllable water distributor 10 of the upper seal head 4 and is uniformly distributed into each heat exchange tube 6 for evaporation concentration. Because the Chinese herbal medicine extract contains a plurality of macromolecular substances (such as polysaccharide, starch, colloid and the like), dirt with particles, biological dirt mixture and the like, the Chinese herbal medicine solution is extremely easy to coagulate and cause the scale. Therefore, the controllable water distributor 10 is a closed box, and the Chinese herbal medicine solution is input from the liquid inlet pipe 2, flows into the liquid storage tank 1 through the liquid outlet hole 21, and flows to each heat exchange pipe 6 through the liquid distribution branch pipe 11. The pressure of the Chinese herbal medicine solution in the liquid storage tank 1 is regulated by regulating the liquid inlet amount of the liquid inlet pipe 2, so that the liquid spraying amount of the liquid distribution branch pipe 11 is changed, and the wetting amount of the heat exchange pipe 6 is controlled, namely, the initial thickness of a liquid film in the heat exchange pipe 6 is controlled, so that the liquid film flows from the top end to the bottom end of the heat exchange pipe 6, and a thin layer still exists when the liquid film flows to the bottom end due to evaporation thinning, thereby not only improving the evaporation rate of the liquid film, but also avoiding the phenomenon of dry wall and scaling. Moreover, the controllable water distributor 10 can adjust the initial thickness of the liquid film, so that the concentration of the solution can reach the standard basically after once concentration even if the heat exchange tube 6 is longer, and the length of the heat exchange tube 6 of the falling film concentrator can be properly increased, thereby saving the occupied space and reducing the manufacturing cost.
Preferably, as shown in fig. 1 and 6, the device further comprises a liquid inlet pump 9 and a liquid inlet frequency converter 5, wherein a liquid outlet of the liquid inlet pump 9 is communicated with the other end of the liquid inlet pipe 2 of the controllable water distributor 10 through a pipeline; the liquid inlet frequency converter 5 is electrically connected with the liquid inlet pump 9, and the liquid inlet frequency converter 5 controls the rotating speed of the liquid inlet pump 9.
The liquid inlet amount of the controllable water distributor 10 is controlled by the liquid inlet pump 9, the liquid inlet frequency converter 5 adjusts the rotating speed of the liquid inlet pump 9 according to the viscosity, solid content, temperature and other parameters of the medicine liquid with different formulas, and the liquid outlet rate of the liquid inlet pump 9 can be controlled, so that the pressure of the Chinese herbal medicine solution in the liquid storage tank 1 is adjusted, the liquid spraying amount of the liquid distribution branch pipe 11 is changed, and finally the moisture content of the heat exchange pipe 6 is controlled, and the phenomenon of dry wall is avoided.
Preferably, as shown in fig. 6, the heater further comprises a heating outer housing 7, wherein the heating outer housing 7 is arranged on the outer side of the upper part of the heater housing 3 in a surrounding manner so as to form a heating sealing cavity; the heating shell 7 is provided with a heating steam input port, and the side wall of the heater shell 3 corresponding to the heating shell 7 is provided with a plurality of secondary steam input through holes; the isothermal concentration tower body 8 is sleeved outside the heater shell 3, and a secondary steam collecting cavity 81 is formed between the isothermal concentration tower body 8 and the heater shell 3; the isothermal concentration tower further comprises a lower sealing support plate 82, wherein the lower sealing support plate 82 is arranged at the bottom of the isothermal concentration tower body 8, a bearing convex surface 83 is arranged in the middle of the lower sealing support plate 82, and the heater shell 3 is arranged on the bearing convex surface 83; the isothermal concentration tower body 8 is provided with a secondary steam outlet.
The heating steam enters the heating shell 7 and enters the heater shell 3 through the secondary steam input through holes, so that the Chinese herbal medicine solution in each heat exchange tube 6 is heated and vaporized, secondary steam is generated in the heat exchange tube 6, the Chinese herbal medicine solution is pushed to fall along the tube wall, and the secondary steam is discharged from the bottom of the heat exchange tube 6 to the secondary steam collecting cavity 81 of the isothermal concentration tower body 8.
The middle part of lower seal backup pad 82 is equipped with bears convex surface 83, heater casing 3 set up in bear convex surface 83 is last, thereby makes the bottom of heater casing 3 separates with the chinese herbal medicine solution in concentrated pond, prevents when the chinese herbal medicine solution in concentrated pond is too full seals the bottom of heater casing 3 and makes the secondary steam unable discharge, the diffusion of the secondary steam of being convenient for to and the separation between solution and the secondary steam. The discharged secondary steam sequentially flows to the isothermal concentration tower body 8 and is discharged from a secondary steam discharge port.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (4)
1. The utility model provides a falling film concentrator of controllable water-locator, includes heater casing, upper end enclosure and many heat exchange tube, the upper end and the upper end enclosure sealing connection of heater casing, many the heat exchange tube sets up in the inside of heater casing, its characterized in that: an upper tube plate is arranged at the upper end of the heater shell, and a lower tube plate is arranged at the lower end of the heater shell; the upper tube plate and the lower tube plate are provided with a plurality of heat exchange tube mounting holes in a distributed manner, and the heat exchange tubes are vertically arranged between the upper tube plate and the lower tube plate in an array manner through the heat exchange tube mounting holes;
the controllable water distributor comprises a liquid storage tank and a liquid inlet pipe, wherein the liquid inlet pipe is communicated with the liquid storage tank, and one end of the liquid inlet pipe extends to the inside of the liquid storage tank;
the bottom of the liquid storage tank is provided with a plurality of liquid distribution branch pipes, the liquid distribution branch pipes are distributed in a matrix, and the liquid distribution branch pipes are inserted into heat exchange pipes of the heat exchanger in a one-to-one alignment manner;
the bottom of the liquid distribution branch pipe is sealed, and a plurality of liquid spraying holes are formed in the tangential direction of the side wall of the liquid distribution branch pipe;
the controllable water distributors are arranged in the upper sealing head, a plurality of liquid distribution branch pipes and a plurality of heat exchange pipes of the controllable water distributors are aligned one by one, and the liquid distribution branch pipes are inserted into the corresponding heat exchange pipes;
the controllable water distributor is a closed box body, and the pressure of the Chinese herbal medicine solution in the liquid storage tank is regulated by regulating the liquid inlet amount of the liquid inlet pipe, so that the liquid spraying amount of the liquid distribution branch pipe is changed, and the wetting amount of the heat exchange pipe is controlled, namely the initial thickness of a liquid film in the heat exchange pipe is controlled;
the heating outer shell is arranged on the outer side of the upper part of the heater shell in a surrounding mode so as to form a heating sealing cavity; the heating shell is provided with a heating steam input port, and the side wall of the heater shell corresponding to the heating shell is provided with a plurality of secondary steam input through holes;
the isothermal concentration tower body is sleeved outside the heater shell, and a secondary steam collecting cavity is formed between the isothermal concentration tower body and the heater shell;
the isothermal concentration tower also comprises a lower sealing support plate, wherein the lower sealing support plate is arranged at the bottom of the isothermal concentration tower body, a bearing convex surface is arranged in the middle of the lower sealing support plate, and the heater shell is arranged on the bearing convex surface; the isothermal concentration tower body is provided with a secondary steam outlet.
2. The falling film concentrator of the controllable water distributor according to claim 1, wherein: one end of the liquid inlet pipe is sealed, and a plurality of liquid outlet holes are formed in two sides of one section of the liquid inlet pipe, which is located in the liquid storage tank.
3. The falling film concentrator of the controllable water distributor according to claim 2, wherein: the liquid storage tank also comprises a plurality of branch pipes, wherein the branch pipes are arranged in the liquid storage tank, and one ends of the branch pipes are communicated with the liquid inlet pipe;
the other end of the branch pipe is sealed, and a plurality of liquid outlet holes are formed in the side wall of the branch pipe.
4. A falling film thickener of a controllable water distributor according to claim 3, wherein: the liquid inlet pump is communicated with the other end of the liquid inlet pipe of the controllable water distributor through a pipeline;
the liquid inlet frequency converter is electrically connected with the liquid inlet pump, and the liquid inlet frequency converter controls the rotating speed of the liquid inlet pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629051.4A CN107281770B (en) | 2017-07-28 | 2017-07-28 | Controllable water distributor and falling film concentrator using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629051.4A CN107281770B (en) | 2017-07-28 | 2017-07-28 | Controllable water distributor and falling film concentrator using same |
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| Publication Number | Publication Date |
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| CN107281770A CN107281770A (en) | 2017-10-24 |
| CN107281770B true CN107281770B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710629051.4A Active CN107281770B (en) | 2017-07-28 | 2017-07-28 | Controllable water distributor and falling film concentrator using same |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024223048A1 (en) * | 2023-04-27 | 2024-10-31 | Bitzer Kühlmaschinenbau Gmbh | Falling film evaporator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201387271Y (en) * | 2009-01-19 | 2010-01-20 | 北京广厦环能科技有限公司 | Liquid distributing device of falling-film evaporator |
| US9931583B2 (en) * | 2012-07-12 | 2018-04-03 | Albert Faritovich Saifutdinov | Rectification tower with internal heat and mass exchange and method for separation of multi-component mixtures into fractions using a rectification tower with an internal heat and mass exchange |
| CN203123596U (en) * | 2012-12-27 | 2013-08-14 | 华东理工大学 | Vertical falling-film evaporator |
| CN106178557B (en) * | 2016-08-30 | 2018-07-06 | 洛阳双瑞特种装备有限公司 | A kind of vertical tube falling evaporator |
| CN207055997U (en) * | 2017-07-28 | 2018-03-02 | 佛山德众制药机械有限公司 | A kind of controllable water-locator and use its falling film concentration machine |
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