CN100469709C - Multi-phase dispersant self-suction biochemical reactor - Google Patents
Multi-phase dispersant self-suction biochemical reactor Download PDFInfo
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- CN100469709C CN100469709C CNB2006100113819A CN200610011381A CN100469709C CN 100469709 C CN100469709 C CN 100469709C CN B2006100113819 A CNB2006100113819 A CN B2006100113819A CN 200610011381 A CN200610011381 A CN 200610011381A CN 100469709 C CN100469709 C CN 100469709C
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Abstract
A multiple phases dispersing self-suction biochemical reactor for the biologic desulfurizing of petroleum is composed of a casing with gas inlet and outlet holes on its top cover, a hollow rotary axle in said casing and with a small hole at its middle or upper part, a perforated hollow rotary disc, and a light and heavy liquid phases dispersing unit fixed to middle or lower part of said hollow rotary axle.
Description
Technical field
The present invention relates to gas in chemistry, the biological chemical field, liquid two-phase or gas, liquid, solid three-phase chemical industry operation reactor, particularly a kind of heterogeneous dispersive self-suction biochemical reactor.
Background technology
Biochemical reactor is for biological catalyst (microorganism cells or enzyme) provides good reaction environment to finish the equipment of biocatalytic reaction, often is called fermentor tank.A good biochemical reaction device should have the better fluid mixed performance, and higher mass transfer, rate of heat transfer also should have supporting and reliable detection and control instruments simultaneously.
Along with the development of oil and petrochemical industry, the improvement of exhaust gas emission in oily(waste)water and the oil fuel combustion processes is attracted great attention.Advantages such as cost is low because of having, cost saving, reaction conditions gentleness,, non-secondary pollution little to environmental influence have become one of effective way of curbing environmental pollution to utilize biotechnology to degrade the method for poisonous, harmful organic substance.Such as, the diesel bio catalytic desulfurization technology of rising, with its selectivity height that has, side reaction is few, the reaction conditions gentleness, and facility investment is few, little to the fuel value influence, can remove advantages such as reluctant dibenzothiophene of hydrogenating desulfurization and derivative thereof, become the Clean Fuel Production technology that attracts people's attention gradually, the auxiliary approach that is expected to become traditional hydrodesulfurization process carries out the precision work of sulfurous fuels.
The industrial application of oil biological desulphurization and biological wastewater degradation technique is enlarged, must design the reactor that is applicable to bioprocess.At present research is more mainly contains aeration-agitation still reactor, airlift reactor, fluidized-bed reactor, fixed-bed reactor and membrane reactor, and these reactors respectively have relative merits.It is more abundant that aeration-agitation reactor, churned mechanically effect make that gas mixes with reaction solution, and dissolved oxygen coefficient is higher; Easy to operate, adaptability is strong, and technical parameters such as pH value and temperature are controlled easily.But also there are some shortcomings in this fermentor tank: fermentor tank internal structure more complicated, be not easy to clean up, and cause living contaminants easily; Mechanical stirring needs transmission mechanism, and power consumption is big; Main problem is that shearing force bigger in the mechanically stirred reactor is unfavorable for microorganism growth, and can cause the serious emulsification phenomenon of profit reactive system, makes the oily water separation difficulty, influences the rate of recovery of oil product.
Airlift reactor relies on air flowing to drive fermented liquid and circulates, reactor center is installed a vertical blank pipe (guide shell), and the air inlet jet pipe inserts from the outer tube tapered bottom end, and nozzle is concordant with guide shell, when air is blown into certain flow rate, cause negative pressure in guide shell, on every side solid, liquid are inhaled into the guide shell from the bottom, and quilt is had the gas-entrained of big kinetic energy to the top, return outside the pipe core again, so move in circles, mix, and carry out chemical reaction thereby reach.Do not have moving parts in this reactor, power consumption is few, and relatively simple for structure.But that airlift reactor is applied to is light, when weighing two immiscible liquid phase reactions, general since gently with heavy phase in the liquid phase ratio, quantity is few, density difference is bigger, a part is light in air blowing process can only swim in above the heavy phase mutually, can't realize the two-phase uniform mixing, and reactor inner transmission matter effect is relatively poor, and the light gas-entrained volatilization that very easily is passed into mutually, the influence reaction is carried out.Owing to there is the anaerobic dead angle, influence that fluidic is mobile, mass transfer and microbial growth in the fixed-bed reactor; Fluidized-bed reactor and be used for the electrospray reactor such as the document of biological desulphurization process: Kaufman E N, Harkins J B, Borole A P.Appl.Biochem.Biotech.1998,73,127-144 is described: because intensive emulsion and higher process cost are also brought certain difficulty to industrial application in the reaction process.Therefore the biochemical reactor of design with well blend characteristic become the oil biological desulfurizing technology and realized industrialized an urgent demand.
Summary of the invention
The objective of the invention is to overcome the shortcoming of existing reactor, in order to make the uniform mixing reaction fully in reactor of weight two-phase medium, increase light phase medium and microorganism contact area, thereby provide a kind of simple in structure, device fabrication and energy consumption cost low, low-shearing power, meet the heterogeneous dispersive self-suction biochemical reactor of the industrial application of oily(waste)water biological treating and biological desulfurization process.
The object of the present invention is achieved like this:
Heterogeneous dispersive self-suction biochemical reactor provided by the invention comprises: reactor shell, reactor upper end cover, hollow rotating shaft, hollow rotating disk and light, heavy-fluid phase decollator etc.; It is characterized in that:
One round shape or U type reactor shell (11) at reactor shell (11) upper end cover (1) that is stamped suitable for reading, have air inlet port (17) and production well (8) on the upper end cover; Air inlet port (16) upper end is circular open container (7), and coated with aseptic filter membrane, gas enters reactor after the aseptic filter membrane degerming on it is uncovered; Production well (8) is long tubule, and it topmost also wraps up with aseptic filter membrane.On reactor shell, have light phase thief hole (9) and heavy phase thief hole (10).
Install hollow rotating shaft (2), the hollow rotating disk (3) with holes of end closure in the reactor and be fixed in light, the heavy-fluid phase decollator (5,6) of hollow rotating shaft middle and lower part; An aperture (4) is opened in the middle and upper part of hollow rotating shaft, and hollow rotating shaft links to each other with CD-ROM drive motor, and CD-ROM drive motor drives the hollow rotating shaft rotation; Hollow rotating disk (3) is gone up a plurality of pores of uniform distribution, and hollow rotating disk (3) cavity is connected with the cavity of hollow stir shaft;
Gently, the heavy-fluid decollator that is coupled is the hollow cylinder of both ends open up and down, it is characterized in that: described light, heavy-fluid be coupled decollator concentric on the hollow rotating shaft for being fixed on hollow rotating shaft, be open one, two or more tubule up and down, light phase decollator lower end (13) is upwards crooked, heavy phase decollator upper end (14) is downwards crooked, assurance makes the inlet (12) of light phase decollator tubule be higher than the outlet (14) of heavy phase decollator tubule, and the outlet (13) of light phase decollator tubule also is higher than the inlet (15) of heavy phase decollator tubule; Light phase decollator tubule and heavy phase decollator tubule are successively alternately.
In above-described reactor heating tube is installed, heating tube electrically connects with the thermostat of outside, or settles the chuck of the logical cold and hot water of an external heat exchanging type on the reactor drain pan, and reactor temperature is controlled in the scope that adapts to biological growth and reaction.
The circulation of gas and fluid is divided into three parts in the heterogeneous dispersive self-suction biochemical reactor of the present invention:
When A, work, hollow rotating shaft drives the liquid phase disperser rotation with certain rotating speed under the drive of CD-ROM drive motor, simultaneously produce negative pressure with light decollator mutually is suitable for reading with heavy phase decollator end opening at hollow rotating shaft middle and upper part opening part, realize the self-priming sterile air at hollow rotating shaft middle and upper part opening part, sterile air is thrown out of along the bottom of hollow rotating shaft cavity arrival rotating disk and by pore;
In B, when work,, in light phase decollator generation negative pressure suitable for reading, the light phase decollator sleeve pipe that gently hands down flows downward and arrives discharge port and gently be dispersed in the heavy phase mutually organic.Light phase drop contacts and realizes mass transfer with heavy phase in uphill process.
In C, when work, produce negative pressure at heavy phase decollator end opening, and heavy phase upwards flows along heavy phase decollator sleeve pipe and arrives during discharge port is dispersed in gently heavy phase mutually.Heavy-phase liquid drops in the decline process and the realization mass transfer that gently contacts.
Finish biochemical reaction process by above-mentioned process realization weight two-phase countercurrent flow simultaneously blending dispersion.Fluid reaches when stablizing three circulations and carries out simultaneously in the heterogeneous dispersive self-suction biochemical reactor of the present invention, reaches the effect of uniform mixing and reaction.
Heterogeneous dispersive self-suction biochemical reactor provided by the invention has following advantage:
Heterogeneous dispersive self-suction biochemical reactor provided by the invention has solved the uniform mixing problem of weight two-phase medium in reactor effectively, can effectively avoid emulsion, and little, easy to operate, the easy amplification of this facility investment is (as arriving 100m
3); The work drive motor rotating speed is less demanding, realize the self-priming sterile air by stirring at low speed, do not need other source of the gas supply pressurized air, air compression system and equipment thereof have been saved, the more important thing is also lowly, help the active maintenances of biological substance such as microorganism cells than the shearing force to solution under the slow speed of revolution.This device can be used for intermittently profit operation and profit reaction process continuously.The present invention is applicable to profit reaction process such as biochemical industry, hydrometallurgy, pharmaceutical industry, petrochemical complex, foodstuffs industry.
Further describe the present invention below in conjunction with drawings and Examples:
Description of drawings
Accompanying drawing 1 is: structure of reactor vertical profile synoptic diagram of the present invention
Accompanying drawing 2 is: the structural representation of the light phase decollator of reactor of the present invention
The icon title:
1. upper end cover 2. hollow rotating shafts 3. rotary drums 4. hollow rotating shaft apertures 5. light phase decollators
6. circular uncovered 8. production wells, 9. light phase thief hole 10. heavy phase thief holes of heavy phase decollator 7.
11. shell of reactor 12. light phase decollator inlet 13. light phase decollators export the outlet of 14. heavy phase decollators
16 aseptic filter membranes, 17 air inlet ports 15. light phase decollator enters the mouth
° air
Light phase drop
The heavy phase drop
Embodiment
Embodiment 1:
See also Fig. 1～4, can be used as the heterogeneous dispersive self-suction biochemical reactor of biochemical reaction according to the annexation making one of aforesaid reactor.
Heterogeneous its internal diameter of dispersive self-suction biochemical reactor that present embodiment provides is 74mm, and high 135mm, volume are 500mL.The hollow rotating shaft internal diameter is 6mm, opens an aperture in the upper end, and the aperture is 4mm.Hollow disk diameter is 40mm, and thickness is 20mm, the aperture of 8 4mm of uniform distribution around hollow rotating shaft.The high 54mm of weight phase distribution pipe, caliber is 5mm.Light phase distribution pipe and each 2 of heavy phase distribution pipes are welded on the hollow rotating shaft successively at interval.Shell of reactor is a circular outer cylinder, and the reactor upper end cover that is stamped suitable for reading has air inlet port and production well on the upper end cover, and the air inlet port upper end is circular open container, and production well connects elongated silicone tube.Hollow rotating shaft is connected with the electric mixer motor seal by packing ring, nut and the screw rod on the reactor upper end cover.
Embodiment 2:
Press that embodiment 1 makes, and adorn electric heating tube in the reactor that embodiment 1 has made, heating tube is electrically connected with the thermostat of outside, or settles the chuck of the logical cold and hot water of an external heat exchanging type in shell of reactor lower part, is electrically connected with the thermostat of outside.
Embodiment 3:
Utilization biocatalysis in the heterogeneous dispersive self-suction biochemical reactor of embodiment 1 or embodiment 2 making removes the application of sulphur in the diesel oil.Its step is as follows:
(1) phosphate buffered saline buffer (containing 10g/L glycerine) with 50mL hydrogenated diesel oil and 300mL0.1mol/L joins in the heterogeneous dispersive self-suction biochemical reactor, and add a certain amount of rhodococcus erythropolis (RhodococcuserythropolisLSSE8-1, CGMCC NO.0643) thalline makes bacterium amount concentration reach about 20～40g/L.Circular uncovered and production well is coated with aseptic filter membrane.
(3) this reactor is positioned in 30 ℃ the water-bath, starts CD-ROM drive motor, reaction is carried out.With the common shake flask test under the same terms in contrast.Reactor of the present invention is when beginning to stir, simultaneously produce negative pressure with light decollator mutually is suitable for reading with heavy phase decollator end opening at hollow rotating shaft middle and upper part opening part, realize the self-priming sterile air at hollow rotating shaft middle and upper part opening part, oil phase flows downward along light phase decollator sleeve pipe and arrives discharge port oil phase is dispersed in aqueous phase, water is dispersed in water in the heavy phase along the upwards mobile arrival discharge port of heavy phase decollator sleeve pipe, and these three kinds of circulations make profit mix very soon.
(4) reaction times is 24h, takes a sample from thief hole every 8h.The sulphur content of centrifugal back oil phase in RPA-200 micro-coulometric titration instrument (Jiangsu Jianghuan Analyser Co., Ltd.) the survey diesel oil.The results are shown in Figure 5.
As seen from Figure 5, utilize heterogeneous dispersive self-suction biochemical reactor of the present invention to carry out the diesel bio desulfurization after, the diesel oil sulphur content drops to 82.82 μ g/g from 533.22 μ g/g, desulfurization degree reaches 84.5%, significantly is better than common shake flat experiment.
Claims (4)
1, a kind of heterogeneous dispersive self-suction biochemical reactor comprises reactor shell, reactor upper end cover, hollow rotating shaft, hollow rotating disk and light, heavy-fluid phase decollator; It is characterized in that:
One round shape or U type reactor shell (11) at reactor shell (11) upper end cover (1) that is stamped suitable for reading, have air inlet port (17) and production well (8) on the upper end cover; Air inlet port (17) upper end is circular open container (7), and coated with aseptic filter membrane, gas enters reactor after the aseptic filter membrane degerming on it is uncovered; Production well (8) is long tubule, and it also with the aseptic filter membrane parcel, has light phase thief hole (9) and heavy phase thief hole (10) topmost on reactor shell;
Light, the heavy-fluid of installing hollow rotating shaft (2), the hollow rotating disk (3) with holes of end closure in the reactor and being fixed in the hollow rotating shaft middle and lower part decollator (5,6) that is coupled; Gently, the heavy-fluid decollator that is coupled is concentric with hollow rotating shaft for being fixed on the hollow rotating shaft, two ends are open one, two or more hollow cylinder bodily form tubule up and down.
2, by the described a kind of heterogeneous dispersive self-suction biochemical reactor of claim 1, it is characterized in that: an aperture (4) is opened in the middle and upper part of hollow rotating shaft, and CD-ROM drive motor drives the hollow rotating shaft rotation; Hollow rotating disk (3) is gone up a plurality of pores of uniform distribution, and hollow rotating disk (3) cavity is connected with the cavity of hollow stir shaft.
3, by claim 1,2 described a kind of heterogeneous dispersive self-suction biochemical reactors, it is characterized in that: light phase decollator lower end (13) is upwards crooked, heavy phase decollator upper end (14) is downwards crooked, make the inlet (12) of light phase decollator tubule be higher than the outlet (14) of heavy phase decollator tubule, the outlet (13) of light phase decollator tubule also is higher than the inlet (15) of heavy phase decollator tubule; Light phase decollator tubule and heavy phase decollator tubule are successively alternately.
4, by the described heterogeneous dispersive self-suction biochemical reactor of claim 1, it is characterized in that: heating tube is installed in the reactor, and heating tube electrically connects with the thermostat of outside, or settles the chuck of the logical cold and hot water of an external heat exchanging type on the reactor drain pan.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100113819A CN100469709C (en) | 2006-02-28 | 2006-02-28 | Multi-phase dispersant self-suction biochemical reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100113819A CN100469709C (en) | 2006-02-28 | 2006-02-28 | Multi-phase dispersant self-suction biochemical reactor |
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| CN101028950A CN101028950A (en) | 2007-09-05 |
| CN100469709C true CN100469709C (en) | 2009-03-18 |
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| CN102218279A (en) * | 2010-04-16 | 2011-10-19 | 南亚环氧树脂(昆山)有限公司 | Liquid stirrer for chemical production |
| CN111939779A (en) * | 2020-07-22 | 2020-11-17 | 中北大学 | Supergravity preparation method of W/O/W type multiple emulsion |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86208754U (en) * | 1986-11-03 | 1988-08-24 | 陈顺志 | Self-sucking deep fermenting apparatus |
| CN2204803Y (en) * | 1993-12-26 | 1995-08-09 | 郑州工学院 | Dual circulating aerating lifting fertilizing tank with mixing components |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86208754U (en) * | 1986-11-03 | 1988-08-24 | 陈顺志 | Self-sucking deep fermenting apparatus |
| CN2204803Y (en) * | 1993-12-26 | 1995-08-09 | 郑州工学院 | Dual circulating aerating lifting fertilizing tank with mixing components |
Non-Patent Citations (1)
| Title |
|---|
| 喷射自吸式生化反应器气液传质的研究. 聂法玉等.化学工程，第1987卷第5期. 1987 * |
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