CN202700135U - Rotary screen tower used for liquid-liquid extraction - Google Patents
Rotary screen tower used for liquid-liquid extraction Download PDFInfo
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- CN202700135U CN202700135U CN 201220359152 CN201220359152U CN202700135U CN 202700135 U CN202700135 U CN 202700135U CN 201220359152 CN201220359152 CN 201220359152 CN 201220359152 U CN201220359152 U CN 201220359152U CN 202700135 U CN202700135 U CN 202700135U
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Abstract
A rotary screen tower used for liquid-liquid extraction comprises an organic phase clarification section, a mixing section, an aqueous phase clarification section, a driving mechanism, a first fixed screen, a second fixed screen and a rotary shaft. The mixing section is placed between the organic phase clarification section and the aqueous phase clarification section, the first fixed screen the is arranged on a joint face of the organic phase clarification section and the mixing section, and the second fixed screen the arranged on a joint face of the mixing section and the aqueous phase clarification section. The driving mechanism is arranged at the top of the organic phase clarification section, one end of the rotary shaft is connected with the driving mechanism, and the other end of the rotary shaft penetrates through the organic phase clarification section and the first fixed screen, is stretched into the inner cavity of the mixing section, and is arranged on a supporting seat arranged at the bottom of the mixing section. The mixing section is composed of at least two tower sections, each tower section is provided with at least one extraction chamber, each extraction chamber is defined by a corresponding tower section outer shell and two annular horizontal baffles in enclosed mode, the annular horizontal baffles are arranged inside the outer shell, a perpendicular baffle and a rotary screen are arranged in each extraction chamber, the perpendicular bafflers are arranged the inner wall of the outer shell, and the rotary screens are arranged on the rotary shaft.
Description
Technical field
The utility model belongs to the liquid-liquid extraction equipment that uses in chemistry or the bioengineering, particularly a kind of liquid-liquid extraction tower.
Background technology
Extraction tower is a kind of important extraction equipment, and wherein vibrating sieve plate tower and rotating disc column have a wide range of applications in fields such as petrochemical industry, hydrometallurgy and chemical industry.Although the disposal ability of vibrating sieve plate tower and rotating disc column is all larger, along with the expansion of modern production scale, its disposal ability remains further to be improved.
Rotating disc column relies on dial rotation, makes liquid be broken into drop in the rotating disk outer, and droplet size is controlled by rotary speed.Extraction two alternate phase contact areas are increased, strengthen two alternate mass transfers, higher rotary speed must be arranged.And under higher rotary speed, cause easily the eddy diffusivity of fluid and the imperfect distribution of two-phase, so that the axial backmixing of turntable extracting tower is serious, limited the raising of this kind tower treating capacity ability.
On the central shaft perforate sieve plate is installed in the vibrating sieve plate Tata, the maximum percent opening of industrial sieve plate is about 40%, has limited the raising of tower disposal ability.CN2682056 discloses the vibrating sieve plate tower that a kind of phosphoric acid by wet process prepares PHOSPHORIC ACID TECH.GRADE and food grade phosphoric acid.The maximum percent opening of the sieve plate of this tower also is about 40%, and the diameter maximum of tower can only be designed into 1500mm, thereby has limited the raising of tower disposal ability.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of rotary screen tower for liquid-liquid extraction is provided, and this kind extraction tower not only disposal ability increases, and mass-transfer efficiency improves, and simple in structure, and operation and maintenance is convenient.
Rotary screen tower for liquid-liquid extraction described in the utility model comprises organic phase settling section, mixing section, water settling section, driving mechanism, the first gravity flow screen, the second gravity flow screen and rotating shaft; Described mixing section is between organic phase settling section and water settling section, described the first gravity flow screen is installed in the interface place of organic phase settling section and mixing section, described the second gravity flow screen is installed in the interface place of mixing section and water settling section, one end of mixing section is connected with the organic phase settling section, and its other end is connected with the water settling section; Described driving mechanism is installed in the top of organic phase settling section, and an end of described rotating shaft is connected with driving mechanism, and its other end passes the organic phase settling section and the first gravity flow screen stretches into the mixing section inner chamber, is installed on the set supporting seat in mixing section bottom; Described mixing section is comprised of two sections tower joints at least, and every section tower joint has an extraction cell at least, and each extraction cell is surrounded with the two annular horizontal baffles that are installed in the described shell by corresponding tower joint shell; Be provided with vertical baffle and trundle screen in each extraction cell, vertical baffle is installed on the inwall of described shell, and trundle screen is installed in the rotating shaft; Be provided with water feed liquor distributor pipe in the described machine phase settling section, be provided with the outlet of water import and organic phase on the shell of organic phase settling section, the water import communicates with water feed liquor distributor pipe; Be provided with organic phase feed liquor distributor pipe in the described water settling section, be provided with water outlet and organic phase import on the shell of water settling section, the organic phase import communicates with organic phase feed liquor distributor pipe.
Rotary screen tower for liquid-liquid extraction described in the utility model, the quantity of extraction cell was determined (design) according to desired disposal ability during the quantity of its mixing section tower joint, every section tower saved.
Rotary screen tower for liquid-liquid extraction described in the utility model, the trundle screen that arranges in its each extraction cell is rectangle plane shape sieve, its length L is less than the interior pore radius of annular horizontal baffle, its quantity is 2～8, each sheet trundle screen is equidistantly installed around rotating shaft, and is installed in identical height.Preferred 20～80 orders of the screen size of described trundle screen.
The vertical baffle that arranges in the rotary screen tower for liquid-liquid extraction described in the utility model, its each extraction cell is 2～8, and each vertical baffle equidistantly is installed on the tower joint outer casing inner wall that forms corresponding extraction cell.
Rotary screen tower for liquid-liquid extraction described in the utility model, the screen cloth of its first gravity flow screen and the second gravity flow screen is the macropore screen cloth, preferred 8～10 orders of screen size.
The utlity model has following beneficial effect:
1, disposal ability is large, compares with rotating disc column with vibrating sieve plate tower, and disposal ability improves 5～30%, and simple in structure, operation and maintenance is easy.
2, in each extraction cell, use trundle screen, greatly increased the contact area of organic phase and water, improved mass-transfer efficiency.
3, can be by changing stirring intensity and trundle screen specification, the easily treating capacity of adjusting tower, lagging storing rate and processing flux.
4, constitute tower body by organic phase settling section, mixing section, water settling section, mixing section is formed by connecting by two sections tower joints at least, thereby is convenient to installation and removal, and easy to maintenance.
5, the stirring intensity of mixing section can be adjusted to according to concrete material properties suitable stirring intensity by driving mechanisms control.
6, the screen cloth of trundle screen is convenient to change, and can select suitable screen cloth specification according to concrete material properties.
7, the gravity flow screen between mixing section and organic phase settling section, mixing section and the water settling section can prevent disturbance, so that organic phase is fully separated with water, has reduced the possibility of liquid flooding.
Description of drawings
Fig. 1 is the structural representation of the rotary screen tower for liquid-liquid extraction described in the utility model;
Fig. 2 is a kind of structural representation of annular horizontal baffle;
Fig. 3 is a kind of scheme of installation of vertical baffle;
Fig. 4 is a kind of structural representation of trundle screen;
Fig. 5 is a kind of scheme of installation of trundle screen in rotating shaft;
Fig. 6 is a kind of structural representation of the first gravity flow screen;
Fig. 7 is a kind of structural representation of the second gravity flow screen;
Fig. 8 is a kind of structural representation of water feed liquor distributor pipe;
Fig. 9 is a kind of structural representation of organic phase feed liquor distributor pipe.
Among the figure, the shell of 1-organic phase settling section, the shell of 2-tower joint, the shell of 3-water settling section, the 4-hanging support, the 5-downflow weir, the 6-top cover, 7-water feed liquor distributor pipe, 8-the second fixed grit, 9-organic phase feed liquor distributor pipe, the 10-trundle screen, the 11-supporting seat, 12-annular horizontal baffle, the 13-vertical baffle, 14-the first fixed grit, the 15-rotating shaft, the import of 16-organic phase, the outlet of 17-organic phase, the import of 18-water, the outlet of 19-water, the 20-discharging hole, 21-level meters mouth, 22-thermometer mouth, the 23-supporter, the 24-frame, the 25-decelerator, the 26-motor, a-organic phase settling section, b-mixing section, c-water settling section, the length of L-trundle screen.
The specific embodiment
Below by embodiment and by reference to the accompanying drawings the structure of the rotary screen tower for liquid-liquid extraction described in the utility model is described further.
In the present embodiment, be used for liquid-liquid extraction the rotary screen tower structure as shown in Figure 1, comprise organic phase settling section a, mixing section b, water settling section c, driving mechanism, the first gravity flow screen 14, the second gravity flow screen 8 and rotating shaft 15.
The main body of described organic phase settling section a is the assembly of cylinder and conic tube, cylinder is positioned on the conic tube, the upper segment of described cylinder is provided with downflow weir 5, the top is coated with top cover 6, inner chamber is equipped with water feed liquor distributor pipe 7, and sidewall has organic phase outlet 17, water import 18 and level meters mouth 21, and described water import 18 communicates with water feed liquor distributor pipe 7, organic phase outlet 17 is higher than water import 18, and level meters mouth 21 is between organic phase outlet 17 and water import 18.The structure of water feed liquor distributor pipe 7 as shown in Figure 8, formed by a supervisor and six arms, described supervisor two ends are separately fixed at the inwall opposite position place of organic phase settling section shell 1, described six arms are installed in supervisor and upward and with supervisor communicate, and are distributed with a plurality of fluid holes on supervisor and each arm.
The main body of described water settling section c is cylinder, its inner chamber upper part is equipped with organic phase feed liquor distributor pipe 9, and its lower sidewall has water outlet 19, and its side wall upper part has organic phase import 16, its bottom has discharging hole 20, and organic phase import 16 communicates with organic phase feed liquor distributor pipe 9.The structure of organic phase feed liquor distributor pipe 9 as shown in Figure 9, formed by a supervisor and five arms, described supervisor two ends are separately fixed at the inwall opposite position place of water settling section shell 3, described five arms are installed in supervisor and upward and with supervisor communicate, and are distributed with a plurality of fluid holes on supervisor and each arm.
Described mixing section b is comprised of two sections tower joints, the main body of described tower joint is cylinder, be provided with level meters mouth 21 and thermometer mouth 22 on the sidewall of epimere tower joint, the outer wall of hypomere tower joint is equipped with hanging support 4, every section tower joint is equipped with two extraction cells, each extraction cell is surrounded by the shell 2 of tower joint and the two annular horizontal baffles 12 that are installed in the described shell, be provided with four vertical baffles 13 and four trundle screens 10 in each extraction cell, the shape of described annular horizontal baffle 12 as shown in Figure 2, the shape of described vertical baffle 13 such as Fig. 1, shown in Figure 3, described trundle screen 10 is rectangle plane shape sieve, its length L is less than the interior pore radius of annular horizontal baffle 12, sieve aperture is 20 orders, such as Fig. 1, shown in Figure 4.
The shape of described the first gravity flow screen 14 and structure are as shown in Figure 6, the shape of described the second gravity flow screen 8 and structure as shown in Figure 7, two gravity flow screens are circular flat sieve, sieve aperture is 8 orders, difference is that the centre of the first gravity flow screen 14 is provided with the hole that rotating shaft is passed through.
Described driving mechanism is made of the frame 24 of motor 26, decelerator 25 and installation motor and decelerator.
The assembling mode of each parts and member: mixing section b is between organic phase settling section a and water settling section c, the first gravity flow screen 14 is installed in the interface place of organic phase settling section a and mixing section b, described the second gravity flow screen 8 is installed in the interface place of mixing section b and water settling section c, and above-mentioned each parts are bolted and are integral; The top of organic phase settling section disposes supporter 23, and the frame 24 of driving mechanism is installed on the supporter 23 at organic phase settling section top; One end of described rotating shaft 15 is connected with the power output shaft of decelerator in the driving mechanism, and its other end passes the organic phase settling section and the first gravity flow screen stretches into the mixing section inner chamber, is installed on the set supporting seat 11 in mixing section bottom; Four trundle screens 10 that arrange in each extraction cell equidistantly (90 degree angle) are installed in the rotating shaft 15, and are installed in identical height, as shown in Figure 5; Four vertical baffles 13 that arrange in each extraction cell equidistantly (90 degree angle) are installed on the tower joint outer casing inner wall that forms corresponding extraction cell, as shown in Figure 3.
The utility model is not limited to above-described embodiment, for example, can design according to different disposal abilities the tower joint of varying number in mixing section, the extraction cell of design varying number in one section tower joint.
Claims (9)
1. rotary screen tower that is used for liquid-liquid extraction, comprise the organic phase settling section, mixing section, water settling section and driving mechanism, described mixing section is between organic phase settling section and water settling section, the one end is connected with the organic phase settling section, its other end is connected with the water settling section, described driving mechanism is installed in the top of organic phase settling section, characterized by further comprising the first gravity flow screen (14), the second gravity flow screen (8) and rotating shaft (15), described the first gravity flow screen (14) is installed in the interface place of organic phase settling section and mixing section, described the second gravity flow screen (8) is installed in the interface place of mixing section and water settling section, one end of described rotating shaft is connected with driving mechanism, its other end passes the organic phase settling section and the first gravity flow screen stretches into the mixing section inner chamber, be installed on the set supporting seat (11) in mixing section bottom, described mixing section is comprised of two sections tower joints at least, every section tower joint has an extraction cell at least, each extraction cell is surrounded by the shell (2) of tower joint and the two annular horizontal baffles (12) that are installed in the described shell, be provided with vertical baffle (13) and trundle screen (10) in each extraction cell, vertical baffle is installed on the inwall of described shell (2), and trundle screen is installed in the rotating shaft (15); Be provided with water feed liquor distributor pipe (7) in the described organic phase settling section, be provided with water import (18) and organic phase outlet (17) on the shell of organic phase settling section (1), water import (18) communicates with water feed liquor distributor pipe; Be provided with organic phase feed liquor distributor pipe (9) in the described water settling section, be provided with water outlet (19) and organic phase import (16) on the shell of water settling section (3), the organic phase import communicates with organic phase feed liquor distributor pipe.
2. described rotary screen tower for liquid-liquid extraction according to claim 1, it is characterized in that the trundle screen (10) that arranges in each extraction cell is rectangle plane shape sieve, its length (L) is less than the interior pore radius of annular horizontal baffle (12), its quantity is 2～8, each sheet trundle screen is equidistantly installed around rotating shaft, and is installed in identical height.
3. described rotary screen tower for liquid-liquid extraction according to claim 1 and 2, the sieve aperture that it is characterized in that described trundle screen (10) is 20～80 orders.
4. described rotary screen tower for liquid-liquid extraction according to claim 1 and 2 is characterized in that the vertical baffle (13) that arranges in each extraction cell is 2～8, and each vertical baffle (13) equidistantly is installed on the tower joint outer casing inner wall that forms corresponding extraction cell.
5. described rotary screen tower for liquid-liquid extraction according to claim 3 is characterized in that the vertical baffle (13) that arranges in each extraction cell is 2～8, and each vertical baffle (13) equidistantly is installed on the tower joint outer casing inner wall that forms corresponding extraction cell.
6. described rotary screen tower for liquid-liquid extraction according to claim 1 and 2 is characterized in that the sieve aperture of the first gravity flow screen (14) and the second gravity flow screen (8) is 8～10 orders.
7. described rotary screen tower for liquid-liquid extraction according to claim 3 is characterized in that the sieve aperture of the first gravity flow screen (14) and the second gravity flow screen (8) is 8～10 orders.
8. described rotary screen tower for liquid-liquid extraction according to claim 4 is characterized in that the sieve aperture of the first gravity flow screen (14) and the second gravity flow screen (8) is 8～10 orders.
9. described rotary screen tower for liquid-liquid extraction according to claim 5 is characterized in that the sieve aperture of the first gravity flow screen (14) and the second gravity flow screen (8) is 8～10 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359152 CN202700135U (en) | 2012-07-24 | 2012-07-24 | Rotary screen tower used for liquid-liquid extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220359152 CN202700135U (en) | 2012-07-24 | 2012-07-24 | Rotary screen tower used for liquid-liquid extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202700135U true CN202700135U (en) | 2013-01-30 |
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ID=47580477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220359152 Withdrawn - After Issue CN202700135U (en) | 2012-07-24 | 2012-07-24 | Rotary screen tower used for liquid-liquid extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202700135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728100A (en) * | 2012-07-24 | 2012-10-17 | 四川晶萃化工科技有限公司 | Rotary screen tower for liquid-liquid extraction |
| CN112299987A (en) * | 2020-11-18 | 2021-02-02 | 山东斯瑞药业有限公司 | Acrylic acid purification dehydrogenation tower |
-
2012
- 2012-07-24 CN CN 201220359152 patent/CN202700135U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728100A (en) * | 2012-07-24 | 2012-10-17 | 四川晶萃化工科技有限公司 | Rotary screen tower for liquid-liquid extraction |
| CN112299987A (en) * | 2020-11-18 | 2021-02-02 | 山东斯瑞药业有限公司 | Acrylic acid purification dehydrogenation tower |
| CN112299987B (en) * | 2020-11-18 | 2022-07-22 | 山东斯瑞药业有限公司 | Acrylic acid purification dehydrogenation tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130130 Effective date of abandoning: 20140416 |
|
| RGAV | Abandon patent right to avoid regrant |