CN203002341U - Novel efficient self-suction type stirrer for gas-liquid-solid three-phase mixing - Google Patents
Novel efficient self-suction type stirrer for gas-liquid-solid three-phase mixing Download PDFInfo
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- CN203002341U CN203002341U CN 201220710558 CN201220710558U CN203002341U CN 203002341 U CN203002341 U CN 203002341U CN 201220710558 CN201220710558 CN 201220710558 CN 201220710558 U CN201220710558 U CN 201220710558U CN 203002341 U CN203002341 U CN 203002341U
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Abstract
The utility model discloses a novel efficient self-suction type stirrer for gas-liquid-solid three-phase mixing, comprising a reaction kettle main body; the novel efficient self-suction type stirrer is characterized in that the reaction kettle main body comprises a self-suction type stirring shaft, a self-suction type paddle, a curve propelling paddle and a drive mechanism, wherein the self-suction type stirring shaft is arranged in the reaction kettle main body and is hollow; the self-suction type paddle is arranged on the middle part of the self-suction type stirring shaft; the curve propelling paddle is arranged on the lower part of the self-suction type stirring shaft; and the power output end of the drive mechanism is connected to the self-suction type stirring shaft. The novel efficient self-suction type stirrer disclosed by the utility model is stable, efficient, low in fault rate, bigger in air-suction amount in unit time, more uniform in gas-liquid two-phase distribution in the kettle body, better in gas-liquid mixing effect and capable of greatly increasing the gas-liquid contract area in the unit volume due to the smaller air bubble diameter. Compared with the conventional production process, the novel efficient self-suction type stirrer is capable of reducing waste discharge, more environment-friendly and energy-saving, compact and beautiful in structure, free of a plurality of auxiliary circulating devices, less in investment, simple to operate, capable of effectively saving the dosage of the catalyst, capable of reducing the production cost and more suitable for the process requirements.
Description
Technical field
The utility model relates to a kind of new and effective gas-liquid-solid three-phase and mixes self-priming mixer.
Background technology
Gas-Liquid Dispersion and reaction problem often run in chemical industry and medicine, such as the liquid phase catalytic hydrogenation reaction of nitro-aromatic, Arneel SD, alkene and alkynes, alkylated reaction, carbonylation, oxidation reaction etc.Its common feature is the control that reaction rate is subjected to the gas/liquid mass transfer, and the gas/liquid mass transfer relates to the processes such as gas dispersion, gas circulation and solid catalyst suspension, the problem more complicated that becomes.
Due to the incompatibility of gas-liquid, and the density difference is very large, and in gas-liquid reactor, unreacted gas accumulates in the upper space in reactor, has a strong impact on reaction rate and efficient.Simultaneously, the inhomogeneous speed that has also retrained reaction of solid catalyst suspension.For improving reaction rate, the common mixer of industrial general employing, gas outer circulation, three kinds of modes of the gentle body-internal-circulation of external liquid circulation.
General gas internal-circulation type mixer inspiratory capacity is little, and bubble is excessive can't realize disperse, disperses inhomogeneous mixed system dead angle many, the problem such as technique accommodation is little;
1) common mixer: mixer makes liquid surface form turbulent flow, is in contact with one another with gas, and the two-phase contact area is less, and production efficiency is low, and energy consumption is large; Gas-liquid density difference is very large, and in gas-liquid reactor, unreacted gas accumulates in the upper space in reactor, has a large amount of air accumulations when having a strong impact on the reaction of reaction rate and efficient and can't react on the top of still;
2) the gas outer circulation is that reacting gas is drawn from gas-phase space, gas passes into from reactor bottom after by compressor boost again, under the cooperation of agitator, can obtain larger holding tolerance and contact area, thereby raising reaction rate, its advantage is to obtain gas circulation amount arbitrarily, and shortcoming is to need a large amount of hydrogen recycle units, has increased complexity and the fund input of device;
3) external liquid circulation is with centrifugal pump, reaction liquid to be extracted out from reactor bottom, aspirate reacting gas in the reactor gas-phase space by Venturi tube, fully mix in a Venturi tube and disperse, very tiny bubble be can obtain, Gas-liquid interfacial area and reaction rate increased substantially.The advantage of external liquid circulation formula is that reaction rate is fast, can produce continuously, conducts heat convenient etc., and shortcoming is that energy consumption is large, and is very harsh to the requirement of circulating pump, and investment is large.
The utility model content
The purpose of this utility model is exactly in order to address the above problem, and provides the low and efficiently new and effective gas-liquid-solid three-phase of a kind of cost to mix self-priming mixer.
To achieve these goals, the utility model adopts following technical scheme:
A kind of new and effective gas-liquid-solid three-phase mixes self-priming mixer, has: the reactor body, it is characterized in that, and this reactor body has;
Be installed on the intrinsic self-priming shaft of reactor, it is hollow form;
Self-priming oar, it is located in the middle part of self-priming shaft;
Curve advances oar, and it is located at self-priming shaft bottom;
Driving mechanism, its clutch end is connected in self-priming shaft.
Further, described driving mechanism comprises:
Motor;
Gear reduction unit, it is located between motor and self-priming shaft;
Frequency-conversion control cabinet is provided with controller in it and this controller is connected in motor;
Wherein, described reactor bodies top is equipped with Integral mechanical sealing or Magnetic Coupler.
The gas-liquid inner circulation reactor is Self-Priming Gas-Liquid Reactor, it is one of the core technology of the gas/liquid reactions device of my company exploitation, be a kind of need not be extra gas conveying machinery and voluntarily sucting reaction device upper space gas carry out the reaction unit of gas-liquid contact, when mixing, feed liquid constantly sucks the reacting gas on liquid level by hollow turbine agitator, reach gas-liquid cycle and disperse purpose, simultaneously, the efficient axial-flow oar that is used in combination can with gas and solid catalyst equably disperse in reactor, reach the rapid-action purpose.
Compared with prior art, the beneficial effects of the utility model are:
1, the efficient and failure rate is low of stable equipment operation.
2, in the unit interval, inspiratory capacity is larger.
3, gas-liquid-solid three-phase is more evenly distributed in still, and gas-liquid mixed, solid particle suspension effect are all better.
4, the special structural design of self-priming oar makes bubble diameter less, and in unit volume, the gas-liquid contact area significantly increases.
5, compare traditional production technology and reduce three waste discharge, more environmental protection and energy saving.
6, compact conformation is attractive in appearance, need not a large amount of circulatory aid, and small investment is simple to operate.
7, effectively save catalyst amount, reduce production costs.
8, the special manufacturing process of shaft makes the requirement that can adapt to wider chemical production processes.The stirred tank of capacity: 10L-30000L; Temperature :-10-300 degree; Pressure: 0-12Mpa.
Description of drawings
Fig. 1 is that new and effective gas-liquid-solid three-phase mixes self-priming mixer structure chart.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, a kind of new and effective gas-liquid-solid three-phase mixes self-priming mixer, has: reactor body 6, and this reactor body has; Be installed on the intrinsic self-priming shaft 5 of reactor, it is hollow form; Self-priming oar 7, it is located in the middle part of self-priming shaft; Curve advances oar 8, and it is located at self-priming shaft bottom; Driving mechanism, its clutch end is connected in self-priming shaft.Particularly, described driving mechanism comprises: motor 2; Gear reduction unit 3, it is located between motor and self-priming shaft; Frequency-conversion control cabinet 1 is provided with controller in establishing in it and this this controller is connected in motor, and controller is used for speed and the start and stop of regulating electric machine 2 rotating speeds, and wherein, described reactor body 6 tops are equipped with Integral mechanical sealing (magnetic seal) 4.
Described reactor body has a cylindrical container, and lower shaft cover 9 is installed in the bottom of this cylindrical container, and the lower end of self-priming shaft is installed on the lower shaft cover.
The push-botton operation of frequency-conversion control cabinet 1 comprises: low speed button, high speed button, stop button, emergency stop push button, four buttons shown in figure set gradually according to said sequence.
This practical new operation principle is as follows: mixer is when high-speed cruising, can make large quantity of fluid carry out shuttling movement inside and outside impeller, according to the venturi ejector principle, gas on liquid level throws away impeller by hollow shaft after by the liquid entrainment of high-speed motion, moves continuously gas and constantly is inhaled into the deep layer liquid phase and forms uniform gas-liquid mixed system.Realize the high efficient gas and liquid contact, strengthen mass-transfer progress.Simultaneously, the efficient axial-flow oar that the below is used in combination can with gas and solid catalyst equably disperse in reactor, reach the rapid-action purpose.
The air pocket control procedure is: the mixing arm back side formation negative pressuren zone of a, High Rotation Speed; B, gas are inhaled into negative pressuren zone by the conduit that is connected with gas phase, form air pocket; C, air pocket constantly increase, until broken.
It is a kind of new and effective gas-liquid-solid three-phase vertical stirring device that new and effective gas-liquid-solid three-phase mixes self-priming mixer, is applicable to catalytic hydrogenation, and mixed acid nitrification methylates, fluoridize, and sulfonation, the number of chemical explained hereafter such as air oxidation are used; The liquid-phase hydrogenatin technology extensively replaces traditional reducing process such as iron powder, akali sulphide, hydrazine hydrate, reduces three waste discharge more than 90%, and has improved product yield and quality; Reduction at unsaturated compounds such as alkynes, aromatic hydrocarbons and cyano-containing, nitro, imido grpup, carbonyls is used also more extensive; Product competitiveness is stronger.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvement of carrying out under the prerequisite that does not break away from principle of the present utility model, these improvement also should be considered as protection domain of the present utility model.
Claims (2)
1. a new and effective gas-liquid-solid three-phase mixes self-priming mixer, has: the reactor body, it is characterized in that, and this reactor body has; Be installed on the intrinsic self-priming shaft of reactor, it is hollow form; Self-priming oar, it is located in the middle part of self-priming shaft; Curve advances oar, and it is located at self-priming shaft bottom; Driving mechanism, its clutch end is connected in self-priming shaft.
2. new and effective gas-liquid-solid three-phase as claimed in claim 1 mixes self-priming mixer, it is characterized in that, described driving mechanism comprises: motor; Gear reduction unit, it is located between motor and self-priming shaft; Frequency-conversion control cabinet is provided with controller in establishing in it and this controller is connected in motor; Wherein, described reactor bodies top is equipped with Integral mechanical sealing or Magnetic Coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220710558 CN203002341U (en) | 2012-12-20 | 2012-12-20 | Novel efficient self-suction type stirrer for gas-liquid-solid three-phase mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220710558 CN203002341U (en) | 2012-12-20 | 2012-12-20 | Novel efficient self-suction type stirrer for gas-liquid-solid three-phase mixing |
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| Publication Number | Publication Date |
|---|---|
| CN203002341U true CN203002341U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220710558 Expired - Lifetime CN203002341U (en) | 2012-12-20 | 2012-12-20 | Novel efficient self-suction type stirrer for gas-liquid-solid three-phase mixing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001467A (en) * | 2014-05-01 | 2014-08-27 | 铜陵钱谊化工设备有限责任公司 | Self-control reaction kettle |
| CN104741061A (en) * | 2014-07-09 | 2015-07-01 | 季永东 | Safe type hydrogenation reaction kettle |
| CN107073429A (en) * | 2014-02-10 | 2017-08-18 | 霍尼韦尔国际公司 | Reactor for liquid phase fluorination reaction |
| CN112121708A (en) * | 2019-06-25 | 2020-12-25 | 于军旗 | Self-suction type stirring reaction device |
| CN115845781A (en) * | 2023-03-02 | 2023-03-28 | 徐州市富昌制药机械有限公司 | Reation kettle is used in medicament production |
| CN117205733A (en) * | 2023-08-03 | 2023-12-12 | 南京工业大学 | A method to quickly process steel slag and capture CO2 using micro-interface strengthening technology |
-
2012
- 2012-12-20 CN CN 201220710558 patent/CN203002341U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107073429A (en) * | 2014-02-10 | 2017-08-18 | 霍尼韦尔国际公司 | Reactor for liquid phase fluorination reaction |
| CN104001467A (en) * | 2014-05-01 | 2014-08-27 | 铜陵钱谊化工设备有限责任公司 | Self-control reaction kettle |
| CN104741061A (en) * | 2014-07-09 | 2015-07-01 | 季永东 | Safe type hydrogenation reaction kettle |
| CN112121708A (en) * | 2019-06-25 | 2020-12-25 | 于军旗 | Self-suction type stirring reaction device |
| CN112121708B (en) * | 2019-06-25 | 2022-02-08 | 于军旗 | Self-suction type stirring reaction device |
| CN115845781A (en) * | 2023-03-02 | 2023-03-28 | 徐州市富昌制药机械有限公司 | Reation kettle is used in medicament production |
| CN117205733A (en) * | 2023-08-03 | 2023-12-12 | 南京工业大学 | A method to quickly process steel slag and capture CO2 using micro-interface strengthening technology |
| CN117205733B (en) * | 2023-08-03 | 2024-09-24 | 南京工业大学 | Rapid treatment of steel slag and capture of CO using micro-interface strengthening technique2Is a method of (2) |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |