CN113797593A - Liquid devolatilization device - Google Patents
Liquid devolatilization device Download PDFInfo
- Publication number
- CN113797593A CN113797593A CN202110977243.0A CN202110977243A CN113797593A CN 113797593 A CN113797593 A CN 113797593A CN 202110977243 A CN202110977243 A CN 202110977243A CN 113797593 A CN113797593 A CN 113797593A
- Authority
- CN
- China
- Prior art keywords
- liquid
- downcomer
- tube plate
- distribution disc
- liquid distribution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 145
- 238000009826 distribution Methods 0.000 claims abstract description 42
- 239000000126 substance Substances 0.000 abstract description 14
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention belongs to the technical field of liquid devolatilization, and discloses a liquid devolatilization device, which comprises: a downcomer assembly comprising a plurality of downcomers arranged vertically and side-by-side; the top end of the downcomer is arranged on the tube plate; the liquid uniform distributor is arranged at the top end of the downcomer; the liquid distribution disc is arranged above the tube plate and is arranged at intervals with the tube plate, the liquid distribution disc is provided with a plurality of liquid leakage holes, and liquid contained in the liquid distribution disc flows onto the tube plate from the liquid leakage holes, then flows into the downcomer through the liquid distributor and flows downwards along the inner wall of the downcomer. Volatile substances in the liquid can be devolatilized in the liquid distribution disc, the tube plate and the downcomer, so that the volatile substances in the liquid can be effectively devolatilized, and the quality of a finished product can be effectively ensured; and the device has simple structure, can allow a large amount of liquid to flow, and ensures the devolatilization efficiency.
Description
Technical Field
The invention belongs to the technical field of liquid devolatilization, and particularly relates to a liquid devolatilization device.
Background
In the production process of materials, the mass fraction of the solution obtained by polymerization is low, so that a large amount of volatile substances such as solvents, unreacted monomers and the like in the solution need to be changed from a liquid phase to a gas phase and removed.
The existing devolatilization device has a complex structure and a complex treatment process, so that the devolatilization efficiency is low. The devolatilization process is an important step in the production process of products, and the performance and the high-grade product rate of finished products are directly influenced by the efficiency of the devolatilization process.
Therefore, a liquid devolatilization device is needed to solve the above technical problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a liquid devolatilization device, volatile substances in liquid can be effectively devolatilized for many times, and the quality and performance of a finished product can be effectively ensured; the device has simple structure, and can allow a large amount of liquid to flow, thereby ensuring the devolatilization efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
providing a liquid devolatilization apparatus comprising:
a downcomer assembly comprising a plurality of downcomers arranged vertically and side-by-side;
the top end of the downcomer is arranged on the tube plate;
the liquid uniform distributor is arranged at the top end of the downcomer;
the liquid distribution disc is arranged above the tube plate and is arranged at intervals with the tube plate, the liquid distribution disc is provided with a plurality of liquid leakage holes, and liquid contained in the liquid distribution disc flows onto the tube plate from the liquid leakage holes, then flows into the downcomer through the liquid distributor and flows downwards along the inner wall of the downcomer.
As a preferred technical scheme of the liquid devolatilization device, the liquid leakage holes and the liquid uniform distributor are arranged in a staggered manner.
As a preferred technical scheme of the liquid devolatilization device, the downcomer is hermetically connected with the tube plate.
As a preferred technical scheme of a liquid devolatilization device, the device also comprises a distance tube which is arranged between the liquid distribution disk and the tube plate.
As a preferred technical scheme of a liquid devolatilization device, the device also comprises a connecting piece which is arranged in the distance tube in a penetrating way, and the connecting piece is connected with the tube plate and the liquid distribution disc.
As a preferred technical scheme of a liquid devolatilization device, the liquid devolatilization device further comprises a box body, wherein the liquid descending tube assembly, the tube plate, the liquid distributor and the liquid distribution disc are all arranged in the box body, a liquid inlet is formed in the top of the box body, and liquid can flow into the liquid distribution disc through the liquid inlet.
As a preferred technical scheme of the liquid devolatilization device, the inner side wall of the box body is provided with support lugs, and the tube plate is lapped on the support lugs.
Compared with the prior art, the invention has the following beneficial effects:
the liquid flows into the liquid distribution disc from the liquid inlet, flows in the liquid distribution disc, is spread on the bottom surface of the whole liquid distribution disc, and volatile substances in the liquid are devolatilized on the liquid distribution disc for one time. The liquid then flows from the weep holes to the tubesheet and spreads flat over the tubesheet where the volatile substances of the liquid are devolatilized again. The liquid on the tube plate tangentially flows into the downcomer through the liquid distributor and uniformly flows down along the inner wall of the downcomer, volatile substances of the liquid in the downcomer can be devolatilized again, and the volatilized gas is volatilized upwards from the downcomer. Volatile substances in the liquid can be devolatilized in the liquid distribution disc, the tube plate and the downcomer, so that the volatile substances in the liquid can be effectively devolatilized, and the quality and the performance of a finished product can be effectively ensured; the device has simple structure and lower cost; moreover, it can allow a large amount of liquid to flow, ensuring the efficiency of devolatilization.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus provided by the present invention;
fig. 2 is a partial enlarged view at a in fig. 1.
Wherein, 1, a downcomer; 2. a tube sheet; 3. a liquid uniform distributor; 4. a liquid distribution tray; 5. a distance tube; 6. a connecting member; 7. a box body; 71. a liquid inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 and 2, the present embodiment discloses a liquid devolatilization apparatus, which comprises a downcomer assembly, a tube sheet 2, a liquid distributor 3, and a liquid distribution tray 4.
The downcomer subassembly includes a plurality of vertical downcomers 1 that set up side by side, and the concrete material of downcomer 1 will take place no chemical reaction with the liquid that needs to take off and volatilize, specifically can be metal material or combined material.
The top end of the downcomer 1 is arranged on the tube plate 2, and the top end of the downcomer 1 penetrates through the tube plate 2. The downcomer 1 and the tube plate 2 are in sealed connection, specifically, the downcomer can be in sealed connection through sealant, and can also be fixedly connected through a welding mode.
The liquid uniform distributor 3 is arranged on the top end of the downcomer 1, a plurality of liquid inlet holes are uniformly distributed on the outer side wall of the liquid uniform distributor 3, and the liquid inlet holes are strip-shaped holes and are arranged along the height direction. The top end of the liquid uniform distributor 3 is provided with an opening. The liquid on the tube plate 2 flows into the downcomer 1 through the liquid inlet hole.
Liquid distribution dish 4 sets up in the top of tube sheet 2, and sets up with tube sheet 2 interval, and this liquid devolatilization device still includes distance tube 5 and connecting piece 6, and distance tube 5 sets up between liquid distribution dish 4 and tube sheet 2, and distance tube 5 specifically is four, and the four corners department of tube sheet 2 all is provided with distance tube 5. The connecting piece 6 is arranged in the distance tube 5 in a penetrating way, and the connecting piece 6 is connected with the tube plate 2 and the liquid distribution disc 4. The connecting piece 6 is specifically a stud, the lower end of the connecting piece is in threaded connection with the tube plate 2, the top end of the connecting piece penetrates through the liquid distribution disc 4 and is exposed out of the liquid distribution disc 4, and the liquid distribution disc 4 is fixed through a nut. The connecting piece 6 is connected with the liquid distribution plate 4 in a sealing mode, and sealing glue can be applied to the connecting piece after the connecting piece is connected so as to seal.
The liquid distribution disc 4 is provided with a plurality of liquid leakage holes which are arranged in a staggered way with the liquid uniform distributor 3. The liquid distribution plate 4 holds liquid which flows from the liquid leakage holes to the tube plate 2. Because the weep holes and the liquid distributor 3 are arranged in a staggered way, the liquid in the liquid distribution disc 4 can firstly flow onto the tube plate 2, then flow into the downcomer 1 through the liquid distributor and then flow downwards along the inner wall of the downcomer 1.
The liquid devolatilization device also comprises a box body 7, wherein the liquid descending tube assembly, the tube plate 2, the liquid distributor and the liquid distribution disc 4 are all arranged in the box body 7, the top of the box body 7 is provided with a liquid inlet 71, and liquid can flow into the liquid distribution disc 4 through the liquid inlet 71. The inner side wall of the box body 7 is provided with a support lug, the tube plate 2 is lapped on the support lug, the edge of the tube plate 2 is in sealing connection with the inner side wall of the box body 7, and specifically, a gap between the edge of the tube plate 2 and the inner side wall of the box body 7 is sealed through sealant.
The liquid flows from the liquid inlet 71 into the liquid distribution tray 4, flows in the liquid distribution tray 4, spreads out over the bottom surface of the liquid distribution tray 4, and the volatile substances in the liquid are once devolatilized on the liquid distribution tray 4. The liquid then flows from the weep holes to the tube sheet 2 and spreads flat over the tube sheet 2 where the volatile substances of the liquid are devolatilized again. The liquid on the tube plate 2 tangentially flows into the downcomer 1 through the liquid distributor and uniformly flows down along the inner wall of the downcomer 1, volatile substances of the liquid in the downcomer 1 can be devolatilized again, and the volatilized gas is volatilized upwards from the downcomer 1. Volatile substances in the liquid can be devolatilized in the liquid distribution disc 4, the tube plate 2 and the downcomer 1, so that the volatile substances in the liquid can be effectively devolatilized, and the quality and the performance of a finished product can be effectively ensured; the device has simple structure and lower cost; moreover, it can allow a large amount of liquid to flow, ensuring the efficiency of devolatilization.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A liquid devolatilization apparatus comprising:
a downcomer assembly comprising a plurality of downcomers (1) arranged vertically and side by side;
the top end of the downcomer (1) is arranged on the tube plate (2);
the liquid uniform distributor (3) is arranged at the top end of the downcomer (1);
the liquid distribution disc (4) is arranged above the tube plate (2) and is arranged at intervals with the tube plate (2), the liquid distribution disc (4) is provided with a plurality of liquid leakage holes, and liquid contained in the liquid distribution disc (4) flows onto the tube plate (2) from the liquid leakage holes, then flows into the downcomer (1) through the liquid distributor (3) and flows downwards along the inner wall of the downcomer (1).
2. The liquid devolatilization apparatus as claimed in claim 1 wherein said weep holes are offset from said liquid distributors (3).
3. The liquid devolatilizer as claimed in claim 1 wherein said downcomer (1) is in sealed connection with said tube sheet (2).
4. The liquid devolatilizer as claimed in claim 1 further comprising distance tubes (5) disposed between said liquid distribution plate (4) and said tube sheet (2).
5. The liquid devolatilizer device as claimed in claim 4 further comprising connecting members (6) extending through said distance tubes (5), said connecting members (6) connecting said tube sheet (2) and said liquid distribution plate (4).
6. The liquid devolatilizer device as claimed in claim 1 further comprising a tank (7), wherein said downcomer elements, said tube sheet (2), said liquid distributors and said liquid distribution tray (4) are all disposed within said tank (7), and wherein a top portion of said tank (7) is provided with a liquid inlet (71), through which liquid may flow into said liquid distribution tray (4) through said liquid inlet (71).
7. The liquid devolatilization apparatus as claimed in claim 6 wherein said inner side wall of said casing (7) is provided with lugs, and said tube sheet (2) is lapped over said lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110977243.0A CN113797593A (en) | 2021-08-24 | 2021-08-24 | Liquid devolatilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110977243.0A CN113797593A (en) | 2021-08-24 | 2021-08-24 | Liquid devolatilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113797593A true CN113797593A (en) | 2021-12-17 |
Family
ID=78894047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110977243.0A Pending CN113797593A (en) | 2021-08-24 | 2021-08-24 | Liquid devolatilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113797593A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031959A (en) * | 2015-08-26 | 2015-11-11 | 浙江森力机械科技股份有限公司 | Three-grade-film-falling distribution heater |
| CN110652738A (en) * | 2019-10-29 | 2020-01-07 | 上海东庚化工技术有限公司 | Sustainable membrane type desorption volatile device that gives heat |
| CN110721487A (en) * | 2019-09-26 | 2020-01-24 | 华东理工大学 | Pipe wall film distributor with half-open window, falling film type evaporation equipment and liquid distribution method |
-
2021
- 2021-08-24 CN CN202110977243.0A patent/CN113797593A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031959A (en) * | 2015-08-26 | 2015-11-11 | 浙江森力机械科技股份有限公司 | Three-grade-film-falling distribution heater |
| CN110721487A (en) * | 2019-09-26 | 2020-01-24 | 华东理工大学 | Pipe wall film distributor with half-open window, falling film type evaporation equipment and liquid distribution method |
| CN110652738A (en) * | 2019-10-29 | 2020-01-07 | 上海东庚化工技术有限公司 | Sustainable membrane type desorption volatile device that gives heat |
Non-Patent Citations (1)
| Title |
|---|
| 祁卓娅等: "《工业节能技术及应用案例》", 机械工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4264538A (en) | Liquid distributor | |
| CN1158124C (en) | Liquid distributor for packed tower | |
| KR100315956B1 (en) | Liquid Dispenser for Filling Column | |
| JP2004141862A (en) | Device in column for technical process | |
| CN113797593A (en) | Liquid devolatilization device | |
| CN102202752A (en) | Downcomer for a gas-liquid contacting device | |
| CN210044882U (en) | Even liquid distribution structure of falling film evaporator feed liquid | |
| US8205863B2 (en) | Distributor for a gas-liquid contacting vessel | |
| JPS5834162B2 (en) | distillation tower | |
| US2339561A (en) | Fractionating column | |
| CN217745781U (en) | Sieve plate tower with small tower plate interval | |
| CN214031751U (en) | Vapour-liquid flash separator suitable for manganese sulfate high temperature crystallization | |
| CN111359577A (en) | Gas-liquid distributor for solid particle or polymer system | |
| CN215901240U (en) | Air inlet distributor | |
| EP2548896B1 (en) | Residual monomer elimination device and polyvinyl alcohol resin production method | |
| CN209885533U (en) | Jet tray | |
| CN101406761A (en) | Self-sealing apparatus for redistributing vapour and liquid | |
| CN208553184U (en) | Packed tower barrel structure and stuffing rectification column | |
| CN203677979U (en) | Graphite distribution collector | |
| CN211988668U (en) | Gas-liquid distributor for solid particle or polymer system | |
| CN102784489A (en) | Gas-liquid mass transfer structure of tower tray of floating valve tower | |
| CN215756539U (en) | Wastewater stripping tower | |
| CN214183127U (en) | Sealing structure of tower tray and tower wall | |
| CN202078838U (en) | Improved gas-liquid distributor | |
| EP3733938B1 (en) | Dispersing apparatus and defoaming apparatus comprising same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211217 |