CN209322870U - A kind of fermentor and its stirring system improving dissolved oxygen utilization rate - Google Patents
A kind of fermentor and its stirring system improving dissolved oxygen utilization rate Download PDFInfo
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- CN209322870U CN209322870U CN201821507450.XU CN201821507450U CN209322870U CN 209322870 U CN209322870 U CN 209322870U CN 201821507450 U CN201821507450 U CN 201821507450U CN 209322870 U CN209322870 U CN 209322870U
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- agitating device
- stirrer paddle
- hinged joint
- stirring system
- agitating
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Abstract
A kind of fermentor and its stirring system improving dissolved oxygen utilization rate, including fermentation tank and stirring system, the bottom of the fermentation tank is equipped with air sparger, the stirring system includes an agitating shaft, the agitating shaft is installed with the first agitating device, the second agitating device and third agitating device from the bottom to top, and first agitating device includes the stirrer paddle or parabola shaped stirrer paddle that multiple sections are arc；Second agitating device and third agitating device include multiple hinged joint stirrer paddles；The agitating shaft is set to the center of the fermentation tank.The utility model increases the solution rate of oxygen in fermentation liquid by increase, increase residence time of the oxygen in fermentation liquid, improve utilization rate of the oxygen in aerobic fermentation, significantly improve the non-uniform situation of dissolved oxygen in fermentation liquid, more conducively microorganism growth, the metabolism of heat aerobic organisms fermentation, the production technology level of biology aerobic fermentation can be greatly improved, production cost and energy consumption are reduced.
Description
Technical field
The utility model relates to a kind of fermentors and its stirring system for improving dissolved oxygen utilization rate, belong to biological fermentation device
Technical field.
Background technique
With flourishing for bio-technology industries, fermentor is increasingly enlarged, logical to the large size of fermentation industry production
For wind fermentor, oxygen solution rate often becomes the limiting factor of aerobic fermentation process.The size of dissolved oxygen is to tunning
It is formed and yield can all generate different influences, result directly affects the efficiency entirely fermented.If in fermentation production process
It is middle there is anoxic, the normal growth of microorganism will be generated for hypoxgia or dissolved oxygen bad when critical (dissolved oxygen lower than) it is huge
It influences, causes product to decline to a great extent, the serious death that will lead to thallus.
The mode generallyd use at present is usually stronger ventilation amount, improves the method for speed of agitator to reach raising dissolved oxygen
Purpose, but the effect obtained in actual production is not highly desirable, shows as that coefficient of oxygen utilization is lower, energy consumption is high, while accelerating to stir
Stirrer paddle is increased to the shearing force of microorganism, more physical injuries are also produced to microorganism.Show according to data statistics
The half or so of fermentation overall process is accounted for for improving the energy consumed by dissolved oxygen in aerobic fermentation.With constantly making for superior strain
With the mode of the increase dissolved oxygen of these highly energy-consumings has been difficult to meet the requirement and energy-efficient requirement higher and higher to dissolved oxygen rate.
Summary of the invention
To overcome the deficiencies in the prior art described above, the utility model aim is to provide a kind of dissolved oxygen utilization rate that improves
Fermentor and its stirring system.
In order to achieve the above objects and other related objects, technical solution provided by the utility model is: a kind of stirring system,
The stirring system includes an agitating shaft, which is installed with the first agitating device, the second agitating device and the from the bottom to top
Three agitating devices, first agitating device include the stirrer paddle or parabola shaped stirrer paddle that multiple sections are arc；
Second agitating device and third agitating device include multiple hinged joint stirrer paddles.
Preferred technical solution are as follows: first agitating device includes the stirrer paddle or parabolic that six sections are arc
Linear stirrer paddle；Second agitating device and third agitating device include three hinged joint stirrer paddles, and second stirs
The hinged joint stirrer paddle of the hinged joint stirrer paddle of device and the third agitating device right above it is arranged at 60 degree of angles.
Preferred technical solution are as follows: the blade of the hinged joint stirrer paddle is plane or curved surface.
Preferred technical solution are as follows: the hinged joint stirrer paddle is arranged with 20 ~ 60 ° of tilt angle.
In order to achieve the above objects and other related objects, technical solution provided by the utility model is: a kind of raising dissolved oxygen
The bottom of the fermentor of utilization rate, including fermentation tank and stirring system, the fermentation tank is equipped with air sparger, the stirring
System includes an agitating shaft, which is installed with the first agitating device, the second agitating device and third stirring dress from the bottom to top
It sets, first agitating device includes the stirrer paddle or parabola shaped stirrer paddle that multiple sections are arc；Described second
Agitating device and third agitating device include multiple hinged joint stirrer paddles；The agitating shaft is set in the fermentation tank
The heart.
Preferred technical solution are as follows: first agitating device includes the stirrer paddle or parabolic that six sections are arc
Linear stirrer paddle；Second agitating device and third agitating device include three hinged joint stirrer paddles, and second stirs
The hinged joint stirrer paddle of the hinged joint stirrer paddle of device and the third agitating device right above it is arranged at 60 degree of angles.
Preferred technical solution are as follows: the blade of the hinged joint stirrer paddle is plane or curved surface.
Preferred technical solution are as follows: the air sparger includes a coil pipe, and one end of the coil pipe extends to the fermentation
Except tank body, and it is connected to a supply air line；Outlet aperture is evenly distributed on the coil pipe.
Preferred technical solution are as follows: the hinged joint stirrer paddle is arranged with 20 ~ 60 ° of tilt angle.
Since above-mentioned technical proposal is used, the utility model has the advantage, that compared with prior art
The utility model can improve the oxygen in aerobic fermentation liquid in the case where not increasing ventilatory capacity and speed of agitator
Solution rate increases residence time of the oxygen in fermentation liquid, improves the utilization rate of oxygen, significantly improves in fermentation liquid dissolved oxygen not
Uniform situation, more conducively microorganism growth, the metabolism of heat aerobic organisms fermentation, can greatly improve the production of biology aerobic fermentation
Technical level reduces production cost and energy consumption.The system structure is simple, is more suitable for industrialization promotion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the dissolved oxygen effect picture of the utility model.
In the figures above: 1, fermentation tank；2, agitating shaft；3, the first agitating device；4, the second agitating device；5, third is stirred
Mix device；6, air sparger.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Please refer to Fig. 1-2.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to match
The revealed content of specification is closed, so that those skilled in the art understands and reads, being not intended to limit the utility model can
The qualifications of implementation, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, it should all still fall in the utility model institute
The technology contents of announcement obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right",
The term of " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Its relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As shown in Figs. 1-2, a kind of stirring system, the stirring system include an agitating shaft 2, and the agitating shaft is solid from the bottom to top
Equipped with the first agitating device 3, the second agitating device 4 and third agitating device 5, first agitating device includes that multiple sections are
The stirrer paddle of arc or parabola shaped stirrer paddle；Second agitating device and third agitating device include multiple foldings
Leaf stirrer paddle.
Preferred embodiment are as follows: first agitating device includes the stirrer paddle or parabolic that six sections are arc
Linear stirrer paddle；Second agitating device and third agitating device include three hinged joint stirrer paddles, and second stirs
The hinged joint stirrer paddle of the hinged joint stirrer paddle of device and the third agitating device right above it is arranged at 60 degree of angles.
Preferred embodiment are as follows: the blade of the hinged joint stirrer paddle is plane or curved surface.
Preferred embodiment are as follows: the hinged joint stirrer paddle is arranged with 20 ~ 60 ° of tilt angle.To incline in the present embodiment
30 ° of rake angle settings.
Agitating shaft is connect with a motor driven.
A kind of fermentor improving dissolved oxygen utilization rate, including fermentation tank and stirring system, the bottom of the fermentation tank 1 are set
There is an air sparger 6, the stirring system includes an agitating shaft, which is installed with the first agitating device, the from the bottom to top
Two agitating devices and third agitating device, first agitating device include the stirrer paddle or parabolic that multiple sections are arc
Linear stirrer paddle；Second agitating device and third agitating device include multiple hinged joint stirrer paddles；The agitating shaft
Set on the center of the fermentation tank.
Preferred embodiment are as follows: first agitating device includes the stirrer paddle or parabolic that six sections are arc
Linear stirrer paddle；Second agitating device and third agitating device include three hinged joint stirrer paddles, and second stirs
The hinged joint stirrer paddle of the hinged joint stirrer paddle of device and the third agitating device right above it is arranged at 60 degree of angles.
Preferred embodiment are as follows: the blade of the hinged joint stirrer paddle is plane or curved surface.
Preferred embodiment are as follows: be arranged in the present embodiment with 30 ° of tilt angle.
Preferred embodiment are as follows: the air sparger includes a coil pipe, and one end of the coil pipe extends to the fermentation
Except tank body, and it is connected to a supply air line；Outlet aperture is evenly distributed on the coil pipe.
When fermentor is run, filtrated air enters fermentor by air sparger 6, EDS maps on air sparger 6
Air is divided into minute bubbles one by one by aperture.When bubble is by the first agitating device 3 of bottom end, the stirring of the curved leaf of disc type six makes to ferment
Liquid forms vortex and runoff, and bubble is made further to smash to form smaller bubble and be uniformly dispersed around.Smaller bubble because
When buoyancy rises to the second agitating device 4, the stirring of three hinged joint press-down types makes gas-liquid be formed down reflux, has increased oxygen bubbles and has existed
Residence time in fermentation liquid improves the utilization rate of dissolved oxygen.Part has oxygen bubbles to continue to rise to by the second agitating device 4
When third agitating device 5, the stirring of three hinged joint press-down type of third gear further makes gas-liquid be formed down reflux, because of third agitating device
5 and second agitating device 4 be mutually staggered 60 ° of angles, form good complementary relationship, more conducively gas-liquid forms reflux, improves dissolved oxygen
Utilization rate.
The embodiment is only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (9)
1. a kind of stirring system, it is characterised in that: the stirring system includes an agitating shaft, which is installed with from the bottom to top
First agitating device, the second agitating device and third agitating device, first agitating device include that multiple sections are arc
Stirrer paddle or parabola shaped stirrer paddle；Second agitating device and third agitating device include multiple hinged joint stirrings
Blade.
2. stirring system according to claim 1, it is characterised in that: first agitating device includes that six sections are arc
The stirrer paddle of shape or parabola shaped stirrer paddle；Second agitating device and third agitating device include three hinged joints
Stirrer paddle, and the hinged joint stirrer paddle of the second agitating device and its right above third agitating device hinged joint stirrer paddle at
60 degree of angle settings.
3. stirring system according to claim 1, it is characterised in that: the blade of the hinged joint stirrer paddle be plane or
Curved surface.
4. stirring system according to claim 3, it is characterised in that: the hinged joint stirrer paddle is with 20 ~ 60 ° of tilt angle
Setting.
5. a kind of fermentor for improving dissolved oxygen utilization rate, it is characterised in that: including fermentation tank and stirring system, the fermentation tank
Bottom be equipped with air sparger, the stirring system includes an agitating shaft, which is installed with the first stirring from the bottom to top
Device, the second agitating device and third agitating device, first agitating device include the stirrer paddle that multiple sections are arc
Or parabola shaped stirrer paddle；Second agitating device and third agitating device include multiple hinged joint stirrer paddles；Institute
State the center that agitating shaft is set to the fermentation tank.
6. the fermentor according to claim 5 for improving dissolved oxygen utilization rate, it is characterised in that: the first agitating device packet
Include the stirrer paddle or parabola shaped stirrer paddle that six sections are arc；Second agitating device and third agitating device
It include three hinged joint stirrer paddles, and the hinged joint stirrer paddle of the second agitating device and the third agitating device right above it
Hinged joint stirrer paddle is arranged at 60 degree of angles.
7. the fermentor according to claim 5 for improving dissolved oxygen utilization rate, it is characterised in that: the hinged joint stirrer paddle
Blade is plane or curved surface.
8. it is according to claim 7 improve dissolved oxygen utilization rate fermentor, it is characterised in that: the hinged joint stirrer paddle with
20 ~ 60 ° of tilt angle settings.
9. the fermentor according to claim 5 for improving dissolved oxygen utilization rate, it is characterised in that: the air sparger includes
One coil pipe, one end of the coil pipe extend to except the fermentation tank, and are connected to a supply air line；Uniformly divide on the coil pipe
It is furnished with outlet aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821507450.XU CN209322870U (en) | 2018-09-14 | 2018-09-14 | A kind of fermentor and its stirring system improving dissolved oxygen utilization rate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821507450.XU CN209322870U (en) | 2018-09-14 | 2018-09-14 | A kind of fermentor and its stirring system improving dissolved oxygen utilization rate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538413A (en) * | 2020-11-16 | 2021-03-23 | 中国科学院过程工程研究所 | Biological reaction device and biological reaction method |
-
2018
- 2018-09-14 CN CN201821507450.XU patent/CN209322870U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112538413A (en) * | 2020-11-16 | 2021-03-23 | 中国科学院过程工程研究所 | Biological reaction device and biological reaction method |
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