CN202860508U - Multilevel air-lift loop reactor with coaxial variable height multiple guide cylinders - Google Patents
Multilevel air-lift loop reactor with coaxial variable height multiple guide cylinders Download PDFInfo
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- CN202860508U CN202860508U CN 201220533361 CN201220533361U CN202860508U CN 202860508 U CN202860508 U CN 202860508U CN 201220533361 CN201220533361 CN 201220533361 CN 201220533361 U CN201220533361 U CN 201220533361U CN 202860508 U CN202860508 U CN 202860508U
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Abstract
The utility model provides a multilevel air-lift loop reactor with coaxial variable height multiple guide cylinders. The multilevel air-lift loop reactor mainly comprises an outer cylinder (1), a first-level guide cylinder (2), a second-level guide cylinder (3), a third-level guide cylinder (4), a central gas distributor (5), an annular gas distributor (6), a gas-liquid mixed nozzle (7), an upper discharge port (8) and a lower discharge port (9), wherein at least three coaxial variable height guide cylinders are assembled in the outer cylinder (1) of the reactor, the central gas distributor (5) is installed on the bottom of an air-lift central round space, the annular gas distributor (6) is installed on the bottom of an air-lift guide cylinder annular space, the air-liquid mixed nozzle (7) is installed on the lower part of the air-lift guide cylinder annular space, so that the suction force is formed, the air-liquid circulation power is enhanced, and the cross sections of the annular spaces which are formed among a plurality of guide cylinders are not the same. According to the multilevel air-lift loop reactor, the heights of the plurality of guide cylinders are different, so that fluid can form order circulation flowing from the inside to the outside. The multilevel air-lift loop reactor with coaxial variable height multiple guide cylinders provided by the utility model is suitable for chemical reaction with low and high diameter ratios and large capacity.
Description
Technical field
The present invention relates to a kind of multistage Airlift circulating reactor, belong to the fields such as petrochemical industry, environmental project, pharmacy, food.
Background technology
Airlift circulating reactor is to grow up on the basis of strengthening bubbling reactor in recent years.Because it has good heat transfer, mass transfer effect, easily sealing can be carried out solution-air, liquid-liquid, homogeneous phase and heterogeneous reaction between gas-liquid-solid, is suitable as inflammable, explosive, poisonous chemical reactor.
When being low than low spatial or ratio of height to diameter for the application scenario, for improving the scale of reactor, can adopt multistage Airlift circulating reactor.This multi-stage circular flow reactor can be that a plurality of monotubular single-stage Airlift circulating reactors are in series, and also can connect at the inner inter-stage that forms of same reactor urceolus.The mode of a plurality of monotubular single-stage Airlift circulating reactor series connection relates to design, manufacturing, the operation of two reactors, has increased production cost and operation easier.One of mode that forms the inter-stage series connection in same reactor urceolus inside is the vertical series connection of multicell or horizontal series connection, and wherein the energy consumption of the vertical series connection of multicell is larger, and liquid needs pressure-driven in the horizontal series connection of multicell, can only carry out continued operation.Therefore, above-mentioned multi-stage circular flow reactor all has been subject to certain restriction in application.
Summary of the invention
The present invention proposes a kind of multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes.A plurality of guide shells in this multistage Airlift circulating reactor have formed different flow chambers, vertically series connection.The multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes that the present invention proposes is simple in structure, easy operating, have preferably mass-and heat-transfer performance, and can overcome the defective that cost is high, energy consumption is large of above-mentioned multistage Airlift circulating reactor.Because the height of multilevel deflector cylinder is different, is conducive to fluid and forms from the inside to the outside good orderly circulating.
The multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes that the present invention proposes, mainly infiltrate nozzle (7), upper discharge gate (8), lower discharge gate (9) by urceolus (1), one-level guide shell (2), secondary guide shell (3), three grades of guide shells (4), center gas distributor (5), annular gas distributor (6), gas-liquid and form, it is characterized in that: at the inner guide shell that at least three coaxial differing heights are installed of reactor urceolus (1).
In the described multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes, the diameter D3 of secondary guide shell (3) is 1.05~1.2 times of one-level guide shell (2) diameter D1, the diameter D4 of three grades of guide shells (4) is 1.05~1.2 times of secondary guide shell (3) diameter D3, and less than urceolus diameter D2; The height H 3 of secondary guide shell (3) is 1.05~1.2 times of one-level guide shell (2) height H 1, and the height H 4 of three grades of guide shells (4) is 1.05~1.2 times of secondary guide shell (3) height H 3, and less than urceolus height H 2.
In the described multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes, in the bottom, central circular space that air-flow rises center gas distributor (5) is installed, the guide shell annular space bottom of rising at air-flow is equipped with annular gas distributor (6), is beneficial to the gas-liquid even contact; The distance L 1 on edge is 0.01~0.1 times of height H 1 of the most inboard guide shell under center gas distributor (5) and the most inboard guide shell, and the distance L 2 on edge is 0.01~0.1 times of height H 3 of adjacent inboard guide shell under annular gas distributor (6) and the adjacent inboard guide shell.
In the described multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes, in the guide shell annular space middle and lower part that air-flow rises gas-liquid is installed and infiltrates nozzle (7), be beneficial to form suction force, strengthen gas-liquid cycle power; The distance L 3 on edge is 0.1~0.4 times of height H 2 of adjacent inboard guide shell under the lower edge that gas-liquid is infiltrated nozzle (7) and the adjacent inboard guide shell, and the number that gas-liquid is infiltrated nozzle (7) is 4~16.
In the described multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes, the number of guide shell is odd number, and is at least three.Can design according to the scale needs of reactor.
In the described multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes, the sectional area of the annular space that forms between a plurality of guide shells is unequal.Can design according to required cross section gas speed.
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 and Fig. 2 are front view and the top views of the multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes that proposes of the present invention.
Fig. 3 is the multistage Airlift circulating reactor size schematic diagram with coaxial differing heights multiple draft tubes that the present invention proposes.
Among Fig. 1 to Fig. 3,1. urceolus, 2. one-level guide shell, 3. secondary guide shell, 4. three grades of guide shells, 5. center gas distributor, 6. annular gas distributor, 7. gas-liquid is infiltrated nozzle, 8. goes up discharge gate, 9. descends discharge gate.
The specific embodiment
Referring to figs. 1 to Fig. 3, the multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes that the present invention proposes, mainly infiltrate nozzle (7), upper discharge gate (8), lower discharge gate (9) by urceolus (1), one-level guide shell (2), secondary guide shell (3), three grades of guide shells (4), center gas distributor (5), annular gas distributor (6), gas-liquid and form, it is characterized in that: at the inner guide shell that at least three coaxial differing heights are installed of reactor urceolus (1).
Referring to figs. 1 to Fig. 3, the diameter D3 of secondary guide shell (3) is 1.05~1.2 times of one-level guide shell (2) diameter D1, the diameter D4 of three grades of guide shells (4) is 1.05~1.2 times of secondary guide shell (3) diameter D3, and less than urceolus diameter D2; The height H 3 of secondary guide shell (3) is 1.05~1.2 times of one-level guide shell (2) height H 1, and the height H 4 of three grades of guide shells (4) is 1.05~1.2 times of secondary guide shell (3) height H 3, and less than urceolus height H 2.
Referring to figs. 1 to Fig. 3, in the bottom, central circular space that air-flow rises center gas distributor (5) is installed, the guide shell annular space bottom of rising at air-flow is equipped with annular gas distributor (6), is beneficial to the gas-liquid even contact; The distance L 1 on edge is 0.01~0.1 times of height H 1 of the most inboard guide shell under center gas distributor (5) and the most inboard guide shell, and the distance L 2 on edge is 0.01~0.1 times of height H 3 of adjacent inboard guide shell under annular gas distributor (6) and the adjacent inboard guide shell.
Referring to figs. 1 to Fig. 3, in the guide shell annular space middle and lower part that air-flow rises gas-liquid is installed and infiltrates nozzle (7), be beneficial to form suction force, strengthen gas-liquid cycle power; The distance L 3 on edge is 0.1~0.4 times of height H 2 of adjacent inboard guide shell under the lower edge that gas-liquid is infiltrated nozzle (7) and the adjacent inboard guide shell, and the number that gas-liquid is infiltrated nozzle (7) is 4~16.
Referring to figs. 1 to Fig. 3, the number of guide shell is odd number, and is at least three.Can design according to the scale needs of reactor.
Referring to figs. 1 to Fig. 3, the sectional area of the annular space that forms between a plurality of guide shells is unequal.Can design according to required cross section gas speed.
The multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes that the present invention proposes is applicable to the circulation flow reactor of low ratio of height to diameter.
The use procedure of the multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes that the present invention proposes, for example can be: gas-phase reaction material therefrom motive body distributor (5) enters the inner space of circulation flow reactor one-level guide shell (2) and upwards flows with liquid, Shang Yanchu in one-level guide shell (2), part gas overflowing liquid level, part gas flows downward to the annular space that enters between one-level guide shell (2) and the secondary guide shell (3) with liquid rotating, turn to the annular space that enters between secondary guide shell (3) and the three grades of guide shells (4) at the Xia Yanchu of secondary guide shell (3), under the driving of ejector action that annular gas distributor (6) and the gas-liquid of bottom, this space are infiltrated nozzle (7) and density contrast, continue upwards to flow, Shang Yanchu at three grades of guide shells (4), part gas overflowing liquid level, part gas flows downward to the annular space that enters between three grades of guide shells (4) and the urceolus (1) with liquid rotating, enter the bottom of reactor, so circulate.Because the height of multilevel deflector cylinder is different, is conducive to fluid and forms from the inside to the outside good orderly circulating.
The multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes that the present invention proposes is applicable to low ratio of height to diameter, chemical reaction that treating capacity is large.
Claims (6)
1. multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes, mainly infiltrate nozzle (7), upper discharge gate (8), lower discharge gate (9) by urceolus (1), one-level guide shell (2), secondary guide shell (3), three grades of guide shells (4), center gas distributor (5), annular gas distributor (6), gas-liquid and form, it is characterized in that: at the inner guide shell that at least three coaxial differing heights are installed of reactor urceolus (1).
2. the multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes as claimed in claim 1, it is characterized in that: the diameter D3 of secondary guide shell (3) is 1.05~1.2 times of one-level guide shell (2) diameter D1, the diameter D4 of three grades of guide shells (4) is 1.05~1.2 times of secondary guide shell (3) diameter D3, and less than urceolus diameter D2; The height H 3 of secondary guide shell (3) is 1.05~1.2 times of one-level guide shell (2) height H 1, and the height H 4 of three grades of guide shells (4) is 1.05~1.2 times of secondary guide shell (3) height H 3, and less than urceolus height H 2.
3. the multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes as claimed in claim 1, it is characterized in that: in the bottom, central circular space that air-flow rises center gas distributor (5) is installed, the guide shell annular space bottom of rising at air-flow is equipped with annular gas distributor (6), is beneficial to the gas-liquid even contact; The distance L 1 on edge is 0.01~0.1 times of height H 1 of the most inboard guide shell under center gas distributor (5) and the most inboard guide shell, and the distance L 2 on edge is 0.01~0.1 times of height H 3 of adjacent inboard guide shell under annular gas distributor (6) and the adjacent inboard guide shell.
4. the multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes as claimed in claim 1, it is characterized in that: in the guide shell annular space middle and lower part that air-flow rises gas-liquid is installed and infiltrates nozzle (7), be beneficial to form suction force, strengthen gas-liquid cycle power; The distance L 3 on edge is 0.1~0.4 times of height H 2 of adjacent inboard guide shell under the lower edge that gas-liquid is infiltrated nozzle (7) and the adjacent inboard guide shell, and the number that gas-liquid is infiltrated nozzle (7) is 4~16.
5. the multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes as claimed in claim 1, it is characterized in that: the number of guide shell is odd number, and is at least three.
6. the multistage Airlift circulating reactor with coaxial differing heights multiple draft tubes as claimed in claim 1, it is characterized in that: the sectional area of the annular space that forms between a plurality of guide shells is unequal.
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CN 201220533361 CN202860508U (en) | 2012-10-18 | 2012-10-18 | Multilevel air-lift loop reactor with coaxial variable height multiple guide cylinders |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103290210A (en) * | 2013-06-07 | 2013-09-11 | 苏州市金翔钛设备有限公司 | High-efficiency circulating type oxidation tank |
CN103769006A (en) * | 2012-10-18 | 2014-05-07 | 中国石油大学(北京) | Multilevel air-lift loop reactor with coaxial variable-height multiple guide cylinders |
CN107497374A (en) * | 2016-06-14 | 2017-12-22 | 中国石油化工股份有限公司 | A kind of cyclohexane oxidation device and its application method |
NO20210332A1 (en) * | 2021-03-16 | 2022-09-19 | Minox Tech As | Device with variable volume for treatment of gases and liquids |
-
2012
- 2012-10-18 CN CN 201220533361 patent/CN202860508U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103769006A (en) * | 2012-10-18 | 2014-05-07 | 中国石油大学(北京) | Multilevel air-lift loop reactor with coaxial variable-height multiple guide cylinders |
CN103290210A (en) * | 2013-06-07 | 2013-09-11 | 苏州市金翔钛设备有限公司 | High-efficiency circulating type oxidation tank |
CN107497374A (en) * | 2016-06-14 | 2017-12-22 | 中国石油化工股份有限公司 | A kind of cyclohexane oxidation device and its application method |
CN107497374B (en) * | 2016-06-14 | 2021-06-04 | 中国石油化工股份有限公司 | Cyclohexane oxidation reactor and using method thereof |
NO20210332A1 (en) * | 2021-03-16 | 2022-09-19 | Minox Tech As | Device with variable volume for treatment of gases and liquids |
NO347023B1 (en) * | 2021-03-16 | 2023-04-17 | Minox Tech As | Device with variable volume for treatment of gases and liquids |
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Granted publication date: 20130410 Termination date: 20181018 |