CN205473793U - Little algae continuous culture and smooth bioreaction system who reaps - Google Patents
Little algae continuous culture and smooth bioreaction system who reaps Download PDFInfo
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- CN205473793U CN205473793U CN201620265161.8U CN201620265161U CN205473793U CN 205473793 U CN205473793 U CN 205473793U CN 201620265161 U CN201620265161 U CN 201620265161U CN 205473793 U CN205473793 U CN 205473793U
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- microalgae
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- biological reaction
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Abstract
The utility model discloses a little algae continuous culture and smooth bioreaction system who reaps, it includes tubular photobioreactor, tubular photobioreactor left surface is provided with communicating pipe, installs automatically controlled valve on communicating pipe, the import of communicating pipe with algae liquid holding vessel is linked together, the export of algae liquid holding vessel links to each other with the inlet valve of reaping apparatus, the inside algae machine of scraping that is provided with of reaping apparatus. The problem of the dissolved oxygen too high is solved and can realize automatic continuous culture's tubular photobioreactor to a scale is cultivateed and is reaped that the cost is lower, efficiency is higher little algae reaping apparatus can the little algae of effectual realization is provided.
Description
Technical field
This utility model relates to a kind of optical-biological reaction system, the optical-biological reaction system that a kind of microalgae is cultivated continuously and gathered in.
Background technology
Microalgae can consume carbon dioxide, produces a large amount of oils and fatss by self photosynthesis, and its oil component is similar with oil-produced vegetable in Biodiesel, and its oil production exceeds 10-20 times, is the bioenergy of a kind of great development prospect.Additionally, microalgae is also applied to the fields such as health product, feedstuff, light industry and food.Along with the whole world " greenhouse effect " aggravation, the energy the deficientest, develop microalgae bioenergy will be alleviate these problems important channel.Design and exploitation can maximize the bioreactor of microalgae yield, and gather in its microalgae produced efficiently, it has also become an important component part of Microalgae biotechnology,
At present, the extensive microdisk electrode that domestic and international application is more is mainly based on Closed photobioreactor.Wherein, tubular type bioreactor material price is relatively low, and its unit illuminating area relatively other bioreactors are bigger, and micro algae growth speed faster, is one of bioreactor being best suited for outdoor large-scale culture at present.The oxygen that microalgae photosynthesis produces easily is accumulated and is produced too high dissolved oxygen, and its photosynthesis can be suppressed even to damage frustule.In the tubular type bioreactor that caliber is less, oxygen Accumulation Phenomenon is particularly acute, and under maximum photosynthesis rate, in 1cm caliber, oxygen cumulative percentage per minute is 8-10mg/L, and this can cause dissolved oxygen speed in reactor to reach saturation.Tubular type bioreactor cannot be used for the reason of microalgae large-scale culture and essentially consists in it and can not effectively get rid of dissolved oxygen in algae solution, its length of pipe section is restricted, how to improve algae solution dissolved oxygen in tubular type bioreactor makes it can discharge in time, for increase reactor tube segment length, realize its industrialization cultivate significant.
And for the harvesting of microalgae, currently used centrifugal separation and air supporting partition method operating cost are higher, it is not suitable for gathering on a large scale, and there is the problem that efficiency is too low in simple filtration and sedimentation, the most how finding balance between operating cost and harvesting efficiency, the harvesting to microalgae is significant.
Utility model content
Technical problem to be solved in the utility model is to provide the optical-biological reaction system that a kind of microalgae is cultivated continuously and gathered in; design and a kind of solve the too high problem of dissolved oxygen and the tubular type bioreactor that automatization cultivates continuously can be realized; and provide the microalgae harvesting device that cost is relatively low, efficiency is higher, can effectively realize pilot scale culture and the harvesting of microalgae.
For achieving the above object, the technical scheme that this practicality is used is: the optical-biological reaction system that a kind of microalgae is cultivated continuously and gathered in, it includes tubular type bioreactor, tubular type bioreactor left surface is provided with communicating pipe, electrically-controlled valve was installed on communicating pipe, described communicating pipe is connected with the import of algae solution holding vessel, and the outlet of described algae solution holding vessel is connected with the inlet valve of harvesting device, and described harvesting device is internally provided with scrapes algae machine.
Described tubular type bioreactor uses transparent PVC pipe and different model transparent PVC joint to be spliced, and its monnolithic case is circulation U-tube road.
On described tubular type bioreactor, bottom right side leaves air intlet, and connecting at air intlet is free air pump；Gas outlet and aqueous vapor separating opening it is provided with at the top of tubular type bioreactor.
Being provided with multi-functional inductive probe inside described tubular type bioreactor, described multi-functional inductive probe is popped one's head in by turbidity inductive probe and pressure sensitive and is combined, and is connected by the single-chip microcomputer in master control system with upper electrically-controlled valve and lower electrically-controlled valve.
Described algae solution holding vessel uses stainless steel material to make,
Described harvesting device includes a macropore screen cloth, a number macropore screen cloth is arranged in right container, and left-hand container is connected with right container, and right container is internally provided with No. two macropore screen clothes, the lower floor of No. two macropore screen clothes is provided with little screen mesh, and the bottom of left-hand container is provided with outlet valve.
Described harvesting device also includes that anelectrode and negative electrode, described anelectrode and negative electrode are arranged on bottom right container, and described anelectrode and negative electrode are made by plate shaped graphite.
Described algae machine of scraping includes driving motor, drives and is provided with belt wheel on motor, described belt wheel is provided with rectangular slab.
Described rectangular slab uses safety glass to make, and is 90 ° of layouts with the cross section of driving motor.
A described macropore screen cloth and No. two macropore screen clothes are made up of 32 mesh safety glass, and little screen mesh is made up of 200 mesh nylon.
Advantage of the present utility model with have the beneficial effects that:
1, by using air pump to expose bottom tubular type bioreactor and make algae solution circulate into air, it is to avoid frustule is produced and injures by excessive shearing force, and can effectively provide carbon dioxide needed for microalgae photosynthesis.
2, by the main body of tubular type bioreactor being set to U-shaped circulation pattern, and being placed in top, being both effectively increased the volume of culture of microalgae, having turn avoid reactor tube and bear excessive hydraulic pressure.
3, by using transparent PVC tubing, improve the efficiency of light energy utilization, reduce cost.
4, by arranging some aqueous vapor separating openings, the problem that tubular type bioreactor dissolved oxygen can not get rid of killer tube segment length in time is efficiently solved.
5, the folding of upper and lower electrically-controlled valve is controlled by multi-functional inductive probe with the combination of single-chip microcomputer in master control system, it is achieved that the algae solution of automatization is discharged and culture fluid adds.
6, by arranging a macropore screen cloth, algae solution is carried out coarse filtration, alleviate the pressure of algae solution electrolysis in harvesting device, and No. two macropore screen clothes also reduce the amount of bearing of little screen mesh.
7, carried out the collection of algae solution by electrolysis, achieve efficient harvesting with relatively low cost.
8, carry out striking off of water surface suspension microalgae by scraping algae machine, improve the work efficiency of harvesting device.
9, by arranging little screen mesh, it is ensured that the harvesting completely of microalgae in algae solution.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the optical-biological reaction system overall schematic that a kind of microalgae of this utility model is cultivated continuously and gathered in.
Fig. 2 is the topology view of this utility model tubular type bioreactor.
Fig. 3 is the overall schematic of this utility model algae solution holding vessel.
Fig. 4 is the topology view of this utility model harvesting device.
Fig. 5 is the overall schematic that this utility model scrapes algae machine.
In figure: tubular type bioreactor 1, algae solution holding vessel 2, harvesting device 3, scrape algae machine 4, air intlet 1-1, gas outlet 1-2, aqueous vapor separating opening 1-3, upper electrically-controlled valve 1-4, multi-functional inductive probe 1-5, lower electrically-controlled valve 1-6, inlet valve 3-1, macropore screen cloth 3-2, anelectrode 3-3, negative electrode 3-4, No. two macropore screen cloth 3-5, little screen mesh 3-6, outlet valve 3-7, drive motor 4-1, rectangular slab 4-2.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.
As Figure 1-5, the optical-biological reaction system that a kind of microalgae is cultivated continuously and gathered in, it includes tubular type bioreactor 1, tubular type bioreactor 1 left surface is provided with communicating pipe, electrically-controlled valve 1-4 was installed on communicating pipe, described communicating pipe is connected with the import of algae solution holding vessel 2, and the outlet 2-2 of described algae solution holding vessel 2 is connected with the inlet valve 3-1 of harvesting device 3, and described harvesting device 3 is internally provided with scrapes algae machine 4.
Further, described tubular type bioreactor 1 uses transparent PVC pipe and different model transparent PVC joint to be spliced, and its monnolithic case is circulation U-tube road.
Further, on described tubular type bioreactor 1, bottom right side leaves air intlet 1-1, and at air intlet 1-1, connection is free air pump；Gas outlet 1-2 and aqueous vapor separating opening 1-3 it is provided with at the top of tubular type bioreactor 1.
Further, described tubular type bioreactor 1 is internal is provided with multi-functional inductive probe 1-5, described multi-functional inductive probe 1-5 is popped one's head in by turbidity inductive probe and pressure sensitive and combines, and is connected by the single-chip microcomputer in master control system with upper electrically-controlled valve 1-4 and lower electrically-controlled valve 1-6.
Further, described algae solution holding vessel 2 uses stainless steel material to make,
Further, described harvesting device 3 includes a macropore screen cloth 3-2, a number macropore screen cloth 3-2 is arranged in right container, left-hand container is connected with right container, right container is internally provided with No. two macropore screen cloth 3-5, the lower floor of No. two macropore screen cloth 3-5 is provided with little screen mesh 3-6, and the bottom of left-hand container is provided with outlet valve 3-7.
Further, described harvesting device 3 also includes anelectrode 3-3 and negative electrode 3-4, and described anelectrode 3-3 and negative electrode 3-4 is arranged on bottom right container, and described anelectrode 3-3 and negative electrode 3-4 is made by plate shaped graphite.
Further, described in scrape algae machine 4 and include driving motor 4-1, drive on motor 4-1 and belt wheel be installed, described belt wheel is provided with rectangular slab 4-2.
Further, described rectangular slab 4-2 uses safety glass to make, and is 90 ° of layouts with the cross section of driving motor 4-1.
Further, a described macropore screen cloth 3-2 and No. two macropore screen cloth 3-5 is made up of 32 mesh safety glass, and little screen mesh 3-6 is made up of 200 mesh nylon.
Operation principle of the present utility model is:
Tubular type bioreactor 1 exposes through bottom air import 1-1 by air pump and makes algae solution circulate into air, it is to avoid excessive shearing force produces injury to frustule, and aeration the most effectively supplements carbon dioxide needed for microalgae photosynthesis while providing power.
Cultivate and initially low concentration algae solution is added to tubular type bioreactor 1, treat that algae solution concentration gradually rises to harvesting concentration, the turbidity probe tip of multi-functional inductive probe 1-5 detects turbidity upper limit threshold A1, changed by single-chip microcomputer signal in master control system, in control, electrically-controlled valve 1-4 is opened, and high concentration algae solution enters algae solution holding vessel 2；When algae solution water level is less than multi-functional inductive probe 1-5, its water pressure sensing probe detects hydraulic pressure lower threshold B2, is changed by single-chip microcomputer signal in master control system, and in control, electrically-controlled valve 1-6 is opened, and fresh medium adds；Now turbidity probe tip detects turbidity lower limit A2, is changed by single-chip microcomputer signal in master control system, controls lower electrically-controlled valve and closes；When culture fluid is full of tubular type bioreactor 1, water pressure sensing probe detects hydraulic pressure upper limit threshold B1, is changed by single-chip microcomputer signal in master control system, electrically-controlled valve 1-6 in closedown, and low concentration algae solution continues to start the cycle over operating.The high concentration algae solution achieving automatization is discharged supplementary with fresh medium.
When algae solution holding vessel 2 stores sufficient high concentration algae solution, open the inlet valve 3-1 of coupled harvesting device 3, high concentration algae solution completes coarse filtration through a macropore screen cloth 3-2, residue low concentration algae solution enters water tank on the right side of harvesting device 3, make it start to be electrolysed work with certain electric current density C to anelectrode 3-3 and negative electrode 3-4 energising simultaneously, when water tank opening on the right side of algae solution will not crossed, algae solution flow velocity is controlled according to algae solution electrolytic efficiency regulation upper inlet valve 3-1, algae solution electrolysis can make agglomerating suspension of microalgae flocculation rise, scrape to gathering in water tank on the left of device 3 through scraping algae machine 4, the frond of flocculation filters through No. two macropore screen cloth 3-5, residue extremely low concentration algae solution filters through little screen mesh 3-6, the algae solution gathered in flows out at outlet at bottom valve 3-7.
Above-described embodiment is used for illustrating this utility model; rather than this utility model is limited; in spirit of the present utility model and scope of the claims, any modifications and changes that this utility model is made, both fall within protection domain of the present utility model.
Claims (10)
1. the optical-biological reaction system that a microalgae is cultivated continuously and gathered in, it includes tubular type bioreactor (1), it is characterized in that: tubular type bioreactor (1) left surface is provided with communicating pipe, electrically-controlled valve (1-4) was installed on communicating pipe, described communicating pipe is connected with the import of algae solution holding vessel (2), the outlet (2-2) of described algae solution holding vessel (2) is connected with the inlet valve (3-1) of harvesting device (3), and described harvesting device (3) is internally provided with scrapes algae machine (4).
The optical-biological reaction system that a kind of microalgae the most according to claim 1 is cultivated continuously and gathered in, it is characterized in that: described tubular type bioreactor (1) uses transparent PVC pipe and different model transparent PVC joint to be spliced, its monnolithic case is circulation U-tube road.
The optical-biological reaction system that a kind of microalgae the most according to claim 1 is cultivated continuously and gathered in, it is characterised in that: the upper bottom right side of described tubular type bioreactor (1) leaves air intlet (1-1), and air intlet (1-1) place connects free air pump；Gas outlet (1-2) and aqueous vapor separating opening (1-3) it is provided with at the top of tubular type bioreactor (1).
4. the optical-biological reaction system cultivated continuously according to a kind of microalgae described in claim 1 or 3 and gather in, it is characterized in that: described tubular type bioreactor (1) is internal is provided with multi-functional inductive probe (1-5), described multi-functional inductive probe (1-5) is popped one's head in by turbidity inductive probe and pressure sensitive and is combined, and is connected by the single-chip microcomputer in master control system with upper electrically-controlled valve (1-4) and lower electrically-controlled valve (1-6).
The optical-biological reaction system that a kind of microalgae the most according to claim 4 is cultivated continuously and gathered in, it is characterised in that: described algae solution holding vessel (2) uses stainless steel material to make.
The optical-biological reaction system that a kind of microalgae the most according to claim 1 is cultivated continuously and gathered in, it is characterized in that: described harvesting device (3) includes a macropore screen cloth (3-2), a number macropore screen cloth (3-2) is arranged in right container, left-hand container is connected with right container, right container is internally provided with No. two macropore screen clothes (3-5), the lower floor of No. two macropore screen clothes (3-5) is provided with little screen mesh (3-6), and the bottom of left-hand container is provided with outlet valve (3-7).
The optical-biological reaction system that a kind of microalgae the most according to claim 6 is cultivated continuously and gathered in, it is characterized in that: described harvesting device (3) also includes anelectrode (3-3) and negative electrode (3-4), described anelectrode (3-3) and negative electrode (3-4) are arranged on bottom right container, and described anelectrode (3-3) and negative electrode (3-4) are made by plate shaped graphite.
The optical-biological reaction system that a kind of microalgae the most according to claim 1 is cultivated continuously and gathered in, it is characterized in that: described in scrape algae machine (4) include drive motor (4-1), drive, on motor (4-1), belt wheel is installed, described belt wheel is provided with rectangular slab (4-2).
The optical-biological reaction system that a kind of microalgae the most according to claim 8 is cultivated continuously and gathered in, it is characterised in that: described rectangular slab (4-2) uses safety glass to make, and is 90 ° of layouts with the cross section of driving motor (4-1).
The optical-biological reaction system that a kind of microalgae the most according to claim 6 is cultivated continuously and gathered in, it is characterized in that: a described macropore screen cloth (3-2) and No. two macropore screen clothes (3-5) are made up of 32 mesh safety glass, and little screen mesh (3-6) is made up of 200 mesh nylon.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265161.8U CN205473793U (en) | 2016-04-01 | 2016-04-01 | Little algae continuous culture and smooth bioreaction system who reaps |
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| CN201620265161.8U CN205473793U (en) | 2016-04-01 | 2016-04-01 | Little algae continuous culture and smooth bioreaction system who reaps |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400626A (en) * | 2017-09-19 | 2017-11-28 | 广西大学 | A kind of micro algae culturing device |
| CN107475089A (en) * | 2017-09-19 | 2017-12-15 | 广西大学 | A kind of tidal type photo-biological culture apparatus |
| CN107475090A (en) * | 2017-09-19 | 2017-12-15 | 广西大学 | A kind of new tidal type bioreactor |
-
2016
- 2016-04-01 CN CN201620265161.8U patent/CN205473793U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107400626A (en) * | 2017-09-19 | 2017-11-28 | 广西大学 | A kind of micro algae culturing device |
| CN107475089A (en) * | 2017-09-19 | 2017-12-15 | 广西大学 | A kind of tidal type photo-biological culture apparatus |
| CN107475090A (en) * | 2017-09-19 | 2017-12-15 | 广西大学 | A kind of new tidal type bioreactor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |