CN203593758U - Efficient bioreactor - Google Patents
Efficient bioreactor Download PDFInfo
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- CN203593758U CN203593758U CN201320848131.6U CN201320848131U CN203593758U CN 203593758 U CN203593758 U CN 203593758U CN 201320848131 U CN201320848131 U CN 201320848131U CN 203593758 U CN203593758 U CN 203593758U
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- fermentor tank
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- biological reactor
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Abstract
The utility model belongs to the technical field of bioreactors, and particularly discloses an efficient bioreactor. A fermentation tank of the efficient bioreactor is filled with magnetic beads or the magnetic beads suspend in the fermentation tank. A negative ion generator is arranged on an air inlet pipeline. The negative ion generator, an oxygen electrode and a pH meter are connected with a general controller. Ventilation operation of the negative ion generator is adjusted by the general controller according to the oxygen electrode and data output by the pH meter. A circulating pipeline is coated with a magnetizer. Fixing cultivation and magnetic field technical science of the efficient bioreactor are combined so that the reaction vitality of cells can be remarkably improved, the efficient bioreactor is applied to a dioscin biological hydrolysis reaction, and compared with a traditional acid hydrolysis reaction, pollution is avoided, cost is low, and energy consumption is low.
Description
Technical field
The utility model relates to bioreactor technology field, is specifically related to a kind of high-efficient biological reactor and dioscin high-performance bio method for hydrolysis or other biological medicine as Penicillium notatum fermentative production penicillin, sweet wormwood cell fermentation production Artemisinin etc.
Background technology
Bio-reactor is the general name of cultivating life cell or tissue or life entity and produce human needs's biologically active substance or the culture device of tissue or individuality in the container that can control culture condition.Have a wide range of applications at aspects such as drinks, biological medicine, foodstuff production, environmental improvements.The control condition of the applied bio-reactor of the mankind has at present: culture medium prescription, dissolved oxygen rate, potential of hydrogen, osmotic potential, temperature, illumination etc.Recent researches finds that there is significant promoter action in magnetic field to the growth metabolism of biomass cells, magnetic field is considered to cell growth and secondary metabolism has significant regulating effect, but in biotechnology, how scientifically to utilize magnetic field to promote the growth metabolism of culturing cell to remain a technical barrier of not separating, especially in macro-organism reactor, use simple externally-applied magnetic field must cause the culturing cell in reactor to be subject to magnetic inhomogeneous; Accept externally-applied magnetic field effect although can realize culturing cell by stirring,, the bio-reactor of cultivating for immobilization cannot be realized this requirement, how got up in magnetic field and immobilization cultivation combination of sciences, be also a difficult problem in biotechnology; In bio-reactor, immobilized cell is cultivated and is increased to greatest extent reaction area and can improve reaction efficiency simultaneously, and how increasing reaction area is also a technical barrier, and the utility model provides this technology.Anion gas can improve cell viability on the one hand, can improve on the other hand the pH value of solution.At present also not by these new discoveries scientifically for equipment and the technology of bio-reactor.The utility model combines immobilization material and permanent magnet, has solved the problem that in immobilization bioreactor, magnetic field utilizes, and has greatly improved the working efficiency of immobilization bioreactor, also for related science research provides new research tool.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of high-efficient biological reactor.
To achieve these goals, the utility model has been taked following technical scheme:
A kind of high-efficient biological reactor, comprise fermentor tank, inlet system, circulating line outside fermentor tank, the outlet pipe at fermentor tank top, the gangway pipeline of fermentor tank bottom, the air outlet at fermentor tank top and the gangway of bottom, described air outlet is in the upper end of outlet pipe, described gangway is in the lower end of gangway pipeline, described inlet system comprises intake ducting, high-pressure pump, inlet mouth sterilizing filter and inlet mouth valve, intake ducting, gangway pipeline, circulating line three be connected, on described circulating line, offer thief hole, thief hole is provided with thief hole valve, the gangway of bottom is provided with gangway valve,
In described circulating line, be provided with oxygen electrode and pH meter, in order to monitor dissolved oxygen rate and the pH value of fermented liquid in circulating line or nutrient solution;
It is characterized in that: the two ends of described circulating line respectively with the outlet pipe at fermentor tank top and the gangway pipeline communication of bottom, the fermented liquid in fermentor tank circulates by circulating line;
In described fermentor tank, be provided with magnetic bead, magnetic bead, or/and top is the funnel-shaped structure that can separate, is convenient to fill and take out in the bottom of described fermentor tank.
On described intake ducting, be provided with anion generator, high-pressure pump, inlet mouth sterilizing filter, anion generator, inlet mouth valve set gradually along the airintake direction of intake ducting, the gas that inlet system passes into can be natural air, also can be artificial high-purity oxygen, also can be artificial nitrogen, specifically use what gas to determine according to different fostering requirements.
Described anion generator can be by passing into negative ion oxygen to promote the growth metabolism of aerobic cell and to regulate fermented liquid potential of hydrogen in the fermented liquid circulating in circulating line, prevent fermented liquid acidifying, or the anion gas that passes into other components regulates the potential of hydrogen of fermented liquid;
Described anion generator, oxygen electrode and pH meter are connected with a master controller, are regulated the ventilation work of anion generator by this master controller according to the data of oxygen electrode and pH meter output.
Described master controller is a microcomputer module, can accept the detection electrical signal that pH meter and oxygen electrode send, and according to the range of signal control high-pressure pump arranging and the power supply of anion generator, thereby the pH value of controlled fermentation liquid and dissolved oxygen rate are in the scope arranging.If the pH value of fermented liquid is lower than the scope arranging, master controller will be opened the power supply of anion generator automatically, this anion generator is started working and will be passed into the negative aeroion of fermentor tank, anion air enters the fermentor tank pH value that can raise, in the time that the pH of fermented liquid value exceedes the scope of setting, master controller disconnects the power supply of anion generator; If the dissolved oxygen rate of fermented liquid is lower than the scope arranging, master controller is opened high-pressure pump automatically, the dissolved oxygen rate of fermented liquid starts to rise, in the time that the dissolved oxygen rate of fermented liquid exceedes the scope of setting, master controller weakens supply current or the voltage of high-pressure pump automatically, high-pressure pump air-blowing speed declines, and the dissolved oxygen rate of fermented liquid also slowly declines, so automated cycle control.
Described high-efficient biological reactor also comprises a gas-heating apparatus being connected with gangway, and this gas-heating apparatus is detachable, and this gas-heating apparatus comprises airheater and gas blower;
Can in fermentor tank, pass into high-temperature gas or organic solvent or sterilizing agent by gangway.
Further, described magnetic bead is filled in fermentor tank from bottom to top or described magnetic bead is suspended in the liquid in fermentor tank;
On described circulating line, be enclosed with magnetizing apparatus, this magnetizing apparatus is the permanent magnet of capable of regulating magneticstrength or the electro-magnet of capable of regulating magneticstrength, and adjustable magneticstrength scope is at 10-1000mT.This magnetizing apparatus prevents precipitation by the water molecules of fermented liquid in circulating line being magnetized to the solubleness of the nutritive ingredient that improves fermented liquid, and magnetized fermented liquid can also Promote cell's growth and metabolic activity.
Further, described magnetic bead has two kinds, and the first is solid magnetic bead, and the second is hollow magnetic bead, and solid magnetic bead is mainly used in immobilized cell and cultivates, and hollow magnetic bead is mainly used in air-lifting suspension and cultivates;
Described solid magnetic bead is bilayer structure, comprises the centre of sphere and the first surrounding layer, and the described centre of sphere is natural magnet or artificial permanent magnet;
Described hollow magnetic bead is three-decker, comprises successively from the inside to surface the vacuum centre of sphere, magnetic core and the second surrounding layer, and described magnetic core is natural magnet or the artificial permanent magnet being wrapped in outside the vacuum centre of sphere;
The material of described the first surrounding layer and the second surrounding layer is organic solvent-resistant and Growth of Biologic Cell and metabolism is not had to inhibiting inert material, for example glass or pottery or stainless steel or tetrafluoroethylene etc.;
The surface of described the first surrounding layer and the second surrounding layer is smooth or with the uneven surface of outstanding structure, and described outstanding structure can be regular, can be also also irregular;
Ganoid magnetic bead is for strong bacterium, plant or the animal cell culture of adherent property, and shaggy magnetic bead is for adherent property weak fungi, bacterium or cell culture of animals.
Described magnetic bead external diameter is generally 0.1-20 centimetre, or described magnetic bead external diameter can customize according to the size of fermentor tank and fostering requirement the magnetic bead of required diameter.
The Surface field intensity of described magnetic bead is generally 1-500mT or more than 500mT, can also customizes magnetic bead according to fostering requirement.
Described magnetic bead can be tightly packed in whole fermentor tank, due to microorganism with unicellularly there is adherent growth characteristic, therefore cell or the growth of mycelia parcel magnetic bead, fermented liquid circulates between the gap between magnetic bead, provide nutrient to cell or mycelia, fermented liquid also can be by the circulating line circulation outside fermentor tank.
The utility model compared with prior art, has the following advantages and beneficial effect:
1, magnetic field and fixation support are combined to formation magnetic bead carrier, greatly improved biological respinse efficiency.
2, utilize magnetizing apparatus magnetization nutrient solution and fermented liquid, improve bacterial strain vigor.
3, utilize negative ion to regulate nutrient solution and fermented liquid potential of hydrogen, negative ion oxygen is provided, improve the hydrolysis vigor of dioscin hydrolysis bacterium.
4, the utility model gets up the immobilization cultivation of bio-reactor and magnetic field technique combination of sciences, can improve significantly the reaction vigor of cell, and be applied in dioscin biological hydrolysis reaction, compared with traditional acid hydrolytic reaction, pollution-free, low cost, less energy-consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-efficient biological reactor of the present utility model.
In figure, 1-fermentor tank; 2-magnetic bead; 3-sieve plate; 4-air outlet valve; 5-air outlet sterilizing filter; 6-thief hole valve; 7-recycle pump; 8-gangway valve; 9-airheater; 10-gas blower; 11-high-pressure pump; 12-inlet mouth sterilizing filter; 13-anion generator; 14-inlet mouth valve; 15-circulating line; 16-magnetizing apparatus; 17-oxygen electrode; 18-pH meter, 21-air outlet, 22-thief hole, 23-gangway, 24-intake ducting, 25-gangway pipeline, 26-outlet pipe.
Fig. 2 is a kind of structural representation of magnetic bead in a kind of high-efficient biological reactor of the present utility model.
The solid magnetic bead of 19-; 19-1: the first surrounding layer; 19-2: the centre of sphere.
Fig. 3 is the another kind of structural representation of magnetic bead in a kind of high-efficient biological reactor of the present utility model.
20-hollow magnetic bead; 20-1: the second surrounding layer; 20-2: magnetic core; 20-3: the vacuum centre of sphere.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment 1:
A kind of high-efficient biological reactor, comprise fermentor tank 1, inlet system, circulating line 15 outside fermentor tank, the outlet pipe 26 at fermentor tank 1 top, the gangway pipeline 25 of fermentor tank 1 bottom, the air outlet 21 at fermentor tank 1 top and the gangway 23 of bottom, described air outlet 21 is in the upper end of outlet pipe, the lower end of 23 gangway, described gangway pipeline 25, described inlet system comprises intake ducting 24, high-pressure pump 11, inlet mouth sterilizing filter 12 and inlet mouth valve 14, intake ducting 24, gangway pipeline 25, circulating line 15 threes be connected, on described circulating line 15, offer thief hole 22, thief hole 22 is provided with thief hole valve 6, the gangway 23 of bottom is provided with gangway valve 8,
In described circulating line 15, be provided with oxygen electrode 17 and pH meter 18, in order to monitor dissolved oxygen rate and the pH value of fermented liquid in circulating line 15 or nutrient solution;
The two ends of described circulating line 15 are communicated with the outlet pipe 26 at fermentor tank top and the gangway pipeline 25 of bottom respectively, and the fermented liquid in fermentor tank 1 circulates by circulating line 15;
In described fermentor tank 1, be provided with magnetic bead 2, magnetic bead 2, or/and top is the funnel-shaped structure that can separate, is convenient to fill and take out in the bottom of described fermentor tank 1.
On described intake ducting 24, be provided with anion generator 13, high-pressure pump 11, inlet mouth sterilizing filter 12, anion generator 13, inlet mouth valve 14 set gradually along the airintake direction of intake ducting 24, the gas that inlet system passes into can be natural air, also can be artificial high-purity oxygen, also can be artificial nitrogen, specifically use what gas to determine according to different fostering requirements.
Described anion generator 13 can be by passing into negative ion oxygen to promote the growth metabolism of aerobic cell and to regulate fermented liquid potential of hydrogen in the fermented liquid of circulation in circulating line 15, prevent fermented liquid acidifying, or the anion gas that passes into other components regulates the potential of hydrogen of fermented liquid;
Described anion generator 13, oxygen electrode 17 and pH meter 18 are connected with a master controller, and the data of being exported according to oxygen electrode 17 and pH meter 18 by this master controller regulate the ventilation work of anion generator 13.
Described master controller is a microcomputer module, can accept the detection electrical signal that pH meter 18 and oxygen electrode 17 send, and according to the range of signal control high-pressure pump 11 arranging and the power supply of anion generator 13, thereby the pH value of controlled fermentation liquid and dissolved oxygen rate are in the scope arranging.If the pH value of fermented liquid is lower than the scope arranging, master controller will be opened the power supply of anion generator 13 automatically, this anion generator 13 is started working and will be passed into the negative aeroion of fermentor tank, anion air enters the fermentor tank 1 pH value that can raise, in the time that the pH of fermented liquid value exceedes the scope of setting, master controller disconnects the power supply of anion generator 13; If the dissolved oxygen rate of fermented liquid is lower than the scope arranging, master controller is opened high-pressure pump 11 automatically, the dissolved oxygen rate of fermented liquid starts to rise, in the time that the dissolved oxygen rate of fermented liquid exceedes the scope of setting, master controller weakens the supply current of high-pressure pump 11 automatically, high-pressure pump 11 air-blowing speed decline, and the dissolved oxygen rate of fermented liquid also slowly declines, so automated cycle control.
Described high-efficient biological reactor also comprises a gas-heating apparatus being connected with gangway 23, and this gas-heating apparatus is detachable, and this gas-heating apparatus comprises airheater 9 and gas blower 10;
Can in fermentor tank 1, pass into high-temperature gas or organic solvent or sterilizing agent by gangway 23.
Further, described magnetic bead 2 is filled in fermentor tank from bottom to top or described magnetic bead is suspended in the liquid in fermentor tank;
On described circulating line 15, be enclosed with magnetizing apparatus 16, this magnetizing apparatus is the permanent magnet of capable of regulating magneticstrength within the scope of 10-1000mT or the electro-magnet of capable of regulating magneticstrength, magnetizing apparatus 16 prevents precipitation by the water molecules of fermented liquid in circulating line 15 being magnetized to the solubleness of the nutritive ingredient that improves fermented liquid, and magnetized fermented liquid can also Promote cell's growth and metabolic activity.
Further, described magnetic bead 2 has two kinds, and the first is solid magnetic bead 19, and the second is hollow magnetic bead 20, and solid magnetic bead 19 is mainly used in immobilized cell and cultivates, and hollow magnetic bead 20 is mainly used in air-lifting suspension and cultivates;
Described solid magnetic bead is bilayer structure, comprises centre of sphere 19-2 and the first surrounding layer 19-1, and the described centre of sphere is natural magnet or artificial permanent magnet;
Described hollow magnetic bead 20 is three-decker, comprises successively from the inside to surface vacuum centre of sphere 20-3, magnetic core 20-2 and the second surrounding layer 20-1, and described magnetic core 20-2 is natural magnet or the artificial permanent magnet being wrapped in outside vacuum centre of sphere 20-3;
The material of described the first surrounding layer 19-1 and the second surrounding layer 20-1 is organic solvent-resistant and Growth of Biologic Cell and metabolism is not had to inhibiting inert material, for example glass or pottery or stainless steel or tetrafluoroethylene etc.;
The surface of described the first surrounding layer 19-1 and the second surrounding layer 20-1 is smooth or with the uneven surface of outstanding structure, and described outstanding structure can be regular, can be also also irregular;
Ganoid magnetic bead 2 is for adherent property strong bacterium, plant or animal cell culture, fungi, bacterium or the cell culture of animals of shaggy magnetic bead 2 a little less than for adherent property.
Described magnetic bead 2 external diameters are generally 0.1-20 centimetre, or described magnetic bead 2 external diameters can customize according to the size of fermentor tank 1 and fostering requirement the magnetic bead of required diameter.
The Surface field intensity of described magnetic bead 2 is that 1-500 milli tesla or 500 is in the least more than teslas, can also be according to the identical magnetic bead of fostering requirement customized surface magneticstrength, in fermentor tank, form homogeneous magnetic field, or the different magnetic bead of customized surface magneticstrength, heterogeneity magnetic field in fermentor tank, formed.
Described magnetic bead 2 can be interior tightly packed at whole fermentor tank 1, due to microorganism with unicellularly there is adherent growth characteristic, therefore cell or the growth of mycelia parcel magnetic bead, fermented liquid circulates between the gap between magnetic bead, provide nutrient to cell or mycelia, fermented liquid also can be by the circulating line circulation outside fermentor tank.
Embodiment 2:
On the basis of the high-efficient biological reactor of embodiment 1, structure is specialized, is carried out the test of dioscin biological hydrolysis:
Be that the interior filling magnetic bead 2 of fermentor tank 1 of 5 liters is high by 1/2 to tank at volume, this tests the shaggy solid magnetic bead 19 that magnetic bead used 2 is tetrafluoroethylene for surrounding layer, the first surrounding layer 19-1 surface uniform distribution thorn-like projection of this solid magnetic bead 19, 0.5 centimetre of the length of projection, magnetic bead external diameter 1.0cm, solid magnetic bead 19 Surface field intensity are 120mT, then gangway 23 is connected with the airheater 9 of gas-heating apparatus, open airheater 9 and gas blower 10 and blast 300 ℃ of warm airs in tank, so sterilization 2 hours, then inject the LB nutrient solution take rhamnosyl as sugared source, and inoculate dioscin hydrolysis bacterial strain (Penicillium dioscin, CCTCC No:M206001) 100 milliliters of level liquid bacterial classifications, then ON cycle pump 7, cultivate according to a conventional method after 10 days, dioscin hydrolysis bacterium is close to magnetic bead and grows and wrap full magnetic bead, then emit nutrient solution, the suspendible that reinjects has the sugar-free Czapeks nutrient solution of dioscin, in nutrient solution, suspendible dioscin content is 50mg/ml, temperature is arranged on 28-30 ℃, dissolved oxygen rate is arranged on 28mg/kg, potential of hydrogen is arranged on pH6.5, ON cycle pump 7, high-pressure pump 11, anion generator 13 and inlet mouth valve 14, start hydrolysis reaction, dioscin is hydrolyzed bacterium and is hydrolyzed to diosgenin, the diosgenin being hydrolyzed is attached on the mycelium on magnetic bead 2 surfaces, during hydrolysis reaction, detect the dioscin content in fermented liquid every sampling in 12 hours, dioscin content in 5 days secondary fermentation liquid no longer declines after reaching 8mg/ml, show that dioscin is hydrolyzed bacterium and fails, now stop hydrolysed ferment, emit fermented liquid, then connect the gas-heating apparatus of fermentor tank 1 bottom, pass into warm air by gangway 23 to fermentor tank 1 dirt settling on magnetic bead 2 is carried out to heat drying, after being dried thoroughly, pass into sherwood oil to fermentor tank 1, extract the diosgenin that hydrolysis produces, then reclaim sherwood oil, obtain diosgenin crude extract, can Reusability after ultrasonic cleaning after magnetic bead 2 takes out.
Also can be at hydrolysed ferment complete and dry after magnetic bead, the magnetic bead of oven dry is taken out to be placed on and in container, directly use Petroleum ether extraction diosgenin.
With not with any pearl with do not carry out the as above hydrolysed ferment of similarity condition with the tetrafluoroethylene pearl of permanent magnet, in contrast, finally extract the diosgenin productive rate that obtains as following table:
Specific embodiment described in this specification sheets is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. a high-efficient biological reactor, comprise fermentor tank, inlet system, circulating line outside fermentor tank, the outlet pipe at fermentor tank top, the gangway pipeline of fermentor tank bottom, the air outlet at fermentor tank top and the gangway of bottom, described air outlet is in the upper end of outlet pipe, described gangway is in the lower end of gangway pipeline, described inlet system comprises intake ducting, high-pressure pump, inlet mouth sterilizing filter and inlet mouth valve, intake ducting, gangway pipeline, circulating line three be connected, on described circulating line, offer thief hole, thief hole is provided with thief hole valve, the gangway of bottom is provided with gangway valve,
In described circulating line, be provided with oxygen electrode and pH meter;
It is characterized in that: the two ends of described circulating line respectively with the outlet pipe at fermentor tank top and the gangway pipeline communication of bottom;
In described fermentor tank, be provided with magnetic bead, the bottom of described fermentor tank is or/and top is the funnel-shaped structure that can separate;
On described intake ducting, be provided with anion generator, high-pressure pump, inlet mouth sterilizing filter, anion generator, inlet mouth valve set gradually along the airintake direction of intake ducting;
On described circulating line, be enclosed with magnetizing apparatus, this magnetizing apparatus is the permanent magnet of capable of regulating magneticstrength or the electro-magnet of capable of regulating magneticstrength.
2. high-efficient biological reactor according to claim 1, it is characterized in that: described anion generator, oxygen electrode and pH meter are connected with a master controller, regulated the ventilation work of anion generator by this master controller according to the data of oxygen electrode and pH meter output.
3. high-efficient biological reactor according to claim 1, it is characterized in that: described high-efficient biological reactor also comprises a gas-heating apparatus being connected with gangway, this gas-heating apparatus is detachable, and this gas-heating apparatus comprises airheater and gas blower.
4. high-efficient biological reactor according to claim 1, is characterized in that: described magnetic bead is filled in fermentor tank from bottom to top or described magnetic bead is suspended in the liquid in fermentor tank.
5. high-efficient biological reactor according to claim 1, is characterized in that: described magnetic bead has two kinds, and the first is solid magnetic bead, and the second is hollow magnetic bead.
6. high-efficient biological reactor according to claim 5, is characterized in that: described solid magnetic bead is bilayer structure, comprises the centre of sphere and the first surrounding layer, and the described centre of sphere is natural magnet or artificial permanent magnet; Described the first surrounding layer material is organic solvent-resistant and Growth of Biologic Cell and metabolism do not had to inhibiting inert material, and the surface of described the first surrounding layer is smooth or with the uneven surface of outstanding structure.
7. high-efficient biological reactor according to claim 5, it is characterized in that: described hollow magnetic bead is three-decker, comprise successively from the inside to surface the vacuum centre of sphere, magnetic core and the second surrounding layer, described magnetic core is natural magnet or the artificial permanent magnet being wrapped in outside the vacuum centre of sphere; Described the second surrounding layer material is organic solvent-resistant and Growth of Biologic Cell and metabolism do not had to inhibiting inert material, and the surface of described the second surrounding layer is smooth or with the uneven surface of outstanding structure.
8. according to arbitrary described high-efficient biological reactor in claim 1-7, it is characterized in that: described magnetic bead external diameter is 0.1-20 centimetre;
The Surface field intensity of described magnetic bead is 1-500mT or more than 500mT.
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| CN104830523A (en) * | 2015-05-15 | 2015-08-12 | 湖北民族学院 | Pollution-free production device for high-quality vegetable oil and method for producing vegetable oil |
| CN104893882A (en) * | 2015-06-17 | 2015-09-09 | 湖北民族学院 | Efficient wine cellaring device and method |
| CN105985907A (en) * | 2015-02-13 | 2016-10-05 | 湖北民族学院 | Critical-phase bioreactor and reaction method |
| CN108456627A (en) * | 2018-06-19 | 2018-08-28 | 汇森生物设备镇江有限公司 | A kind of cell culture medium automatic fermenter with high dispersive sterilizing |
| CN109055210A (en) * | 2018-07-05 | 2018-12-21 | 曾小敏 | The device of inexpensive cell culture |
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2013
- 2013-12-20 CN CN201320848131.6U patent/CN203593758U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105985907A (en) * | 2015-02-13 | 2016-10-05 | 湖北民族学院 | Critical-phase bioreactor and reaction method |
| CN105985907B (en) * | 2015-02-13 | 2019-01-11 | 湖北民族学院 | A kind of critical phase bioreactor and reaction method |
| CN104830523A (en) * | 2015-05-15 | 2015-08-12 | 湖北民族学院 | Pollution-free production device for high-quality vegetable oil and method for producing vegetable oil |
| CN104830523B (en) * | 2015-05-15 | 2018-01-09 | 湖北民族学院 | A kind of No-harmful apple orchard device of high-quality vegetable oil and the method for producing vegetable oil |
| CN104893882A (en) * | 2015-06-17 | 2015-09-09 | 湖北民族学院 | Efficient wine cellaring device and method |
| CN108456627A (en) * | 2018-06-19 | 2018-08-28 | 汇森生物设备镇江有限公司 | A kind of cell culture medium automatic fermenter with high dispersive sterilizing |
| CN108456627B (en) * | 2018-06-19 | 2023-05-09 | 汇森生物设备镇江有限公司 | Full-automatic fermentation tank of cell culture medium with high dispersion sterilization |
| CN109055210A (en) * | 2018-07-05 | 2018-12-21 | 曾小敏 | The device of inexpensive cell culture |
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