CN102133517A - Liquid continuous impact flow heterogeneous reaction and aerobic fermentation technical equipment - Google Patents
Liquid continuous impact flow heterogeneous reaction and aerobic fermentation technical equipment Download PDFInfo
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- CN102133517A CN102133517A CN 201010111168 CN201010111168A CN102133517A CN 102133517 A CN102133517 A CN 102133517A CN 201010111168 CN201010111168 CN 201010111168 CN 201010111168 A CN201010111168 A CN 201010111168A CN 102133517 A CN102133517 A CN 102133517A
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
- C12M23/08—Flask, bottle or test tube
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/18—Flow directing inserts
- C12M27/24—Draft tube
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
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Abstract
The invention relates to liquid continuous impact flow heterogeneous reaction and aerobic fermentation technical equipment comprising a vertical drum 1 with a pot-shaped or cone-shaped bottom, upper and lower guiding cylinders 2, upper and lower propellers 3 and 4 with opposite spiral directions and a gas distribution ring tube 12 with a porous wall, wherein the center of the bottom of the vertical drum 1 is provided with a discharging tube 6; the upper and lower guiding cylinders 2 are vertically and coaxially installed in a reaction volume region of the drum 1; the upper and lower propellers 3 and 4 with opposite spiral directions are respectively and coaxially installed in the two guiding cylinders 2; and the gas distribution ring tube 12 with the porous wall is installed below the lower guiding cylinder 2 and connected with an air inlet tube 13. The liquid continuous impact flow heterogeneous reaction and aerobic fermentation technical equipment is suitable for various biomass aerobic fermentation and gas-liquid phase and gas-liquid-solid three-phase reaction processes taking liquid as a continuous phase, and has the remarkable advantages of excellent mixing contact among different substances, secondary diffusion of bubble impact flow, increased gas-liquid phase interface area, prolonged gas residence time, very low power consumption, energy saving and the like.
Description
Denomination of invention:
Continuous percussion flow heterogeneous reaction of liquid and oxygen consumption fermentation technique equipment.
Affiliated technical field:
Belong to chemistry and biochemical processes equipment.Be applicable to the fermentation of various living beings oxygen consumptions and be the gas-liquid phase reaction and the gas-liquid-solid phase reaction process of continuous phase with liquid.
Background technology:
In industry such as food, light industry, medicine, many products such as monosodium glutamate, penicillin etc. are arranged, produce by living beings oxygen consumption fermentation process.The oxygen consumption fermentation belongs to the gas-liquid-solid three-phase biochemical reaction process.In addition, in various procedures industry such as chemical industry, petrochemical industry, light industry, medicine, many products are arranged by with liquid being the gas-liquid phase reaction or the gas-liquid-solid phase reaction production of continuous phase.It is the gas heterogeneous reaction process that relates to of continuous phase that the course of reaction of these types all belongs to liquid, have following common feature: (1) reaction takes place on liquid phase or liquid-solid interface basically, and the mixing between condensed phase is that the microcosmic mixing and the liquid phase of liquid phase is significant with mixing the promotion course of reaction of solid phase.(2) gas component of participation reaction has significant impact in the alternate transmission of gas-liquid to process, often becomes the control step.
According to operation principle, the existing device that is used for above-mentioned these type reaction processes comprises oxygen consumption fermentation tank etc., all belongs to bubble stirring reactor (Bobbling stirred tank reactor, note by abridging be BSTR).Although the concrete structure of different reactor has some difference; But two common key elements are arranged: (1) is provided with paddle in reaction vessel, provides primary condition for condensed phase mixes; (2) reaction container bottom feeds gas, passes through the reactant mixture bed with the bubbling form after suitably mode is disperseed.Although generally adopted at present, there is following deficiency in bubble stirring reactor: (1) troubled water especially liquid phase microcosmic troubled water is poor, and reaction efficiency is not high; (2) the gas-liquid area that contacts is little, and transmission speed is unhappy, has limited chemistry or biochemical reaction speed; (3) the paddle power consumption is big, the energy consumption height; (4) time of staying is short in the gas reactor, and gas consumption is bigger than normal.
For overcoming the deficiency of above-mentioned existing apparatus, on project of national nature science fund project research basis, clashing into interaction strong between fluid in the liquid continuous phase percussion flow in opposite directions, significantly promote microcosmic mixing and the high outstanding advantage of energy efficiency to be used for the above-mentioned type course of reaction, research and development the present invention.
Summary of the invention:
The purpose of this invention is to provide a kind of microcosmic mixes, gas-liquid contacts, area is big, power consumption is little, can save energy finish efficiently with liquid be continuous phase gas-liquid mutually and the reaction technology of gas-liquid-solid three-phase chemistry and oxygen consumption sweat equip.
Continuous percussion flow heterogeneous reaction of liquid of the present invention and oxygen consumption fermentation technique equipment, in one, the bottom is the reaction volume district, top remains gas-phase space, there be the pot shape or the upright cylinder 1 of conical bottom of discharge duct 6 in bottom centre, vertical coaxial be installed in cylinder 1 reaction volume district on, following two inwalls are equipped with the guide shell 2 of some vertical baffling baffle plates 5, coaxially be installed in respectively, the hand of spiral is opposite in following two guide shells 2, pass through last from the upper and lower propelling fluid respectively, following guide shell 2 is on the mobile bump of reaction volume district center, following two screws 3 and 4, and be installed in down guide shell 2 belows, the porous wall distribution of gas endless tube 12 that is connected with air inlet pipe 13 is formed.The centre that porous wall distribution of gas endless tube 12 also can flatly be placed on upper and lower two guide shells 2 is among the impingement region ZL; The corresponding air inlet pipe 13 of its same connection.
Compare with the fermentation tank that generally uses at present or other stirring bubbling reactor, the present invention's " continuous percussion flow heterogeneous reaction of liquid and oxygen consumption fermentation technique equipment " has following advantage: (1) percussion flow effectively promotes the mixing contact between the different material, improves the efficient of fermenting organism chemical reaction or other gas-liquid phase reaction, gas-liquid-solid phase reaction process; (2) power is significantly saved in the fluidal texture arrangement of vertical coaxial two stream percussion flows, and installed capacity only is below 1/3rd of existing apparatus on year-on-year basis; (3) in the impingement region percussion flow secondary to disperse gas to increase gas liquid film long-pending, be beneficial to and improve the alternate transmission speed of gas-liquid, promote course of reaction; (4) the percussion flow secondary disperses gas also to follow the fluid circulation because of tiny bubble to improve the mean residence time of gas in reaction vessel and the utilization rate of wherein gas reaction component, thereby can reduce the power consumption of ventilation flow rate, minimizing conveying gas.
Description of drawings:
Fig. 1 is the structural representation of continuous percussion flow heterogeneous reaction of liquid of the present invention and oxygen consumption fermentation technique equipment.
The basic element of character of the present invention comprises upright cylindrical pressure vessel 1, vertical coaxial upper and lower two guide shells 2 and coaxial last screw 3 and the following screw 4 that is installed in respectively in two guide shells 2 that is installed in the container 1, their hand of spiral is opposite, promptly one left-handed, another dextrorotation.In the container 1, the bottom is to ferment or other is the gas-liquid phase reaction of continuous phase or the dischargeable capacity district of gas-liquid-solid phase reaction with liquid, wherein adorns suspended substance or other reactant mixture of fermentation of biomass in liquid; Top remains gas-phase space, makes the usefulness of gas-liquid separation.The inwall of upper and lower two guide shells 2 is respectively adorned the some vertical baffling baffle plates 5 that are uniformly distributed along the circumference.For improving flow efficiency, preventing the dead angle, hemispherical (pot shape) can be made in container 1 bottom, also can do tapered; Its bottom centre connects discharge duct 6.Following guide shell 2 belows are provided with porous wall distribution of gas endless tube 12, and it is connected with air inlet pipe 13.Outside the dischargeable capacity district of reaction vessel heat exchange jacket 9 can be set, be equipped with the heat transferring medium import and export simultaneously and take over 10 and 11.Cylindrical pressure vessel 1 top is provided with arch top cover 6, is equipped with charging pipe 7 and blast pipe 8 on it.
It is among the impingement region ZL that porous wall distribution of gas endless tube 12 also can be placed between two guide shells 2; Be attached thereto the air inlet pipe 13 that connects and also make corresponding mobile.These two component locations move and do not change implementation method of the present invention.
The specific embodiment:
The present invention is used for the fermentation of living beings oxygen consumption or other is the gas-liquid phase reaction or the gas-liquid-solid three-phase chemical reaction of continuous phase with liquid, adopts the batch processing mode operation usually.
During every batch operation, quantitative fermentation materials or other condensed phase reaction mass F reaction vessel 1 of once packing into for the treatment of starts screw subsequently.Two screws 3 and 4 promote fermentation suspended substance or other reaction mass (processing medium) respectively and flow to container 1 middle part through guide shell 2 from the upper and lower, and at this place bump in opposite directions, around striking face, form the impingement region IZ of height turbulence.Open the heat transferring medium import and export and take over 10 and 11, heat transferring medium carries out heat exchange by heat exchange jacket 9 and reactant mixture, makes temperature in the reactor reach and be stabilized in the operating temperature of regulation.Open air compressor or other blower fan (not belonging to the scope of the invention), make reaction gas G pass through air inlet pipe 13, disperse, enter fermentation suspended substance or other condensed phase reactant mixture with bubble form through porous wall distribution of gas endless tube 12.Under the situation under porous wall distribution of gas endless tube 12 is placed on as shown in Figure 1 below the guide shell 2, the bubble that enters fermentation suspended substance or other condensed phase reactant mixture is brought impingement region IZ into by the upwards suspension flow that screw 4 promotes; Under porous wall distribution of gas endless tube 12 was placed on up and down situation between two guide shells 2, the gas that enters by air inlet pipe 13 directly was distributed to impingement region ZL middle part by distribution of gas endless tube 12.In the impingement region from relative motion violent between the stream of different directions group make between stream group with liquid-solid phase between mix effectively and contact; Gas then clashes into fragmentation because of two strands of suspension flows flow in opposite directions, further is dispersed into more tiny bubble, and it is long-pending to increase gas liquid film.Gas-liquid two-phase or the contact of gas-liquid-solid three-phase material good mixing add the long-pending increase of gas liquid film, promote the fermenting organism chemical reaction or other gas-liquid phase or the gas-liquid-solid three-phase chemical reaction that wherein carry out effectively.Behind the bump, ring casing about the fermentation suspension process between guide shell 2 outer walls and container 1 inwall returns the two ends up and down of container 1 respectively, carried by guide shell 2 up and down by screw 3 and 4 respectively again then and flow to container 1 middle part and bump, circulation so repeatedly once more.Tiny bubble has the tendency of the stream line motion of following, after the broken further dispersion of two fluid impacts, the parts of fine minute bubbles are carried in the reaction vessel by suspended substance and circulate: behind the circulation several times in suspended substance or liquid under the higher situation of gas holdup because of the surface tension of liquid effect again and gather to become than air pocket, move upward and leave suspended substance or liquid enters gas-phase space, reaction back gas Ex discharges from reactor head.The long and is to have increased the time of staying of gas in fermentation or reactant mixture, helps improving the utilization rate of gas reaction component.After a period of time of every batch reaction regulation, material draws off by reactor bottom discharge duct 6 as product P, send the back operation to handle.
Claims (2)
1. continuous percussion flow heterogeneous reaction of liquid and oxygen consumption fermentation technique are equipped, it is characterized in that it is by in one, the bottom is the reaction volume district, top remains gas-phase space, there be the pot shape or the upright cylinder of conical bottom (1) of discharge duct 6 in bottom centre, vertical coaxial be installed in cylinder (1) reaction volume district on, following two inwalls are equipped with the guide shell (2) of some vertical baffling baffle plates (5), coaxially be installed in respectively, the hand of spiral is opposite in following two guide shells (2), pass through last from the upper and lower propelling fluid respectively, following guide shell is on the mobile bump of reaction volume district center, following two screws (3) and (4), and be installed in down guide shell (2) below, the porous wall distribution of gas endless tube (12) that is connected with air inlet pipe (13) is formed.
2. by continuous percussion flow heterogeneous reaction of the described liquid of claim 1 and oxygen consumption fermentation technique equipment, it is characterized in that porous wall distribution of gas endless tube (12) is placed on down the below of guide shell (2); Also can be placed on upper and lower two guide shells (2) middle is impingement region (ZL) middle part, and it connects corresponding air inlet pipe (13) equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010111168 CN102133517A (en) | 2010-01-21 | 2010-01-21 | Liquid continuous impact flow heterogeneous reaction and aerobic fermentation technical equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010111168 CN102133517A (en) | 2010-01-21 | 2010-01-21 | Liquid continuous impact flow heterogeneous reaction and aerobic fermentation technical equipment |
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| CN102133517A true CN102133517A (en) | 2011-07-27 |
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| CN 201010111168 Pending CN102133517A (en) | 2010-01-21 | 2010-01-21 | Liquid continuous impact flow heterogeneous reaction and aerobic fermentation technical equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203213A (en) * | 2012-01-16 | 2013-07-17 | 清华大学 | Liquid phase impinging stream reactor with controllable acidity |
| CN113413861A (en) * | 2021-08-25 | 2021-09-21 | 河南科隆新能源股份有限公司 | Lithium ion battery cathode material precursor reaction kettle |
| CN114797726A (en) * | 2022-04-29 | 2022-07-29 | 浙江长城搅拌设备股份有限公司 | Preparation device for precursor of lithium ion battery anode material |
-
2010
- 2010-01-21 CN CN 201010111168 patent/CN102133517A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203213A (en) * | 2012-01-16 | 2013-07-17 | 清华大学 | Liquid phase impinging stream reactor with controllable acidity |
| CN103203213B (en) * | 2012-01-16 | 2014-11-26 | 清华大学 | Liquid phase impinging stream reactor with controllable acidity |
| CN113413861A (en) * | 2021-08-25 | 2021-09-21 | 河南科隆新能源股份有限公司 | Lithium ion battery cathode material precursor reaction kettle |
| CN114797726A (en) * | 2022-04-29 | 2022-07-29 | 浙江长城搅拌设备股份有限公司 | Preparation device for precursor of lithium ion battery anode material |
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Application publication date: 20110727 |