CN206451180U - A kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic - Google Patents
A kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic Download PDFInfo
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- CN206451180U CN206451180U CN201720124009.2U CN201720124009U CN206451180U CN 206451180 U CN206451180 U CN 206451180U CN 201720124009 U CN201720124009 U CN 201720124009U CN 206451180 U CN206451180 U CN 206451180U
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- microalgae
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Abstract
The utility model discloses a kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic, including controller, contact angle detection module and the Zeta potential measuring instrument detected to microalgae Zeta potential, and the data processing equipment connected with controller, the input of the controller is terminated with mass air flow sensor, PH detection meters, parameter setting module and timer, the output of the controller is terminated with stirring module, centrifuge module and display, the contact angle detection module includes video camera and the image capture module connected with video camera output end, described image acquisition module connects with controller.The utility model can predict the relation of flotation efficiency and microalgae surface free energy, accurately and reliably predict flotation efficiency of the microalgae under different surfaces free energy, foundation is provided for microalgae high efficiency flotation conditions.
Description
Technical field
The utility model belongs to microalgae flotation technology field, floating more particularly, to a kind of microalgae based on microalgae surface characteristic
Select EFFICIENCY PREDICTION device.
Background technology
Nowadays economy is developed rapidly, and energy demand is continuously increased, and fossil fuel will be unable to meet the normal demand of the mankind,
The fossil for developing sustainable production replaces fuel to turn into the dominant direction that future source of energy develops.Energy microalgae preparing biological diesel oil,
As a kind of emerging Biomass Industry, past 10 years has obtained concern lasting extensively, the research as field of biological energy source
Focus.Algae is as a kind of important renewable resource, with distribution is wide, biomass is big, photosynthetic efficiency is high, adaptive capacity to environment
The outstanding feature such as by force, growth cycle is short, fat content is high and environment-friendly.Algae especially microalgae, which will turn into, provides new
The important biomolecule matter of the energy and new resources.It was found that the cost that flotation link is consumed in microalgae recovery link accounts for whole production
The 20%~30% of cost, oneself turns into the important step of the commercial Application of microalgae for the extensive continuous flotation of low energy consumption high-efficiency economy,
Therefore the new separation method of research and development and technology, reduce flotation cost and energy consumption, improve microalgae product quality micro- to adapt to
The requirement pressure of algae industrialized development is imminent.
In microalgae floatation process, the adhesive capacity of microalgae and bubble is the key for determining microalgae flotation efficiency, and microalgae
Adhesive capacity is determined by its surface free energy.For hydrophilic microalgae, due to being easier and water between bubble and water
Adhere to each other, therefore, directly progress flotation effect is very poor, it is necessary to which adding suitable flotation agent changes its microalgae surface freedom
Can, microalgae is easier and bubble adhesion, obtain higher flotation efficiency.But, there is presently no based on microalgae surface characteristic
Microalgae flotation efficiency prediction meanss, the relation between microalgae surface free energy and flotation efficiency is predicted, thus accurately,
Reliably flotation efficiency of the prediction microalgae under different surfaces free energy provides foundation for microalgae flotation conditions.Therefore one kind is needed
Easy to operate, realization convenience and the good microalgae flotation efficiency prediction meanss based on microalgae surface characteristic of using effect, can be pre-
The relation surveyed between flotation efficiency and microalgae surface free energy, accurately and reliably predicts microalgae under different surfaces free energy
Flotation efficiency, foundation is provided for quick selection high efficiency flotation conditions in microalgae Floatation Industry.
Utility model content
Technical problem to be solved in the utility model is to be based on there is provided one kind for above-mentioned deficiency of the prior art
The microalgae flotation efficiency prediction meanss of microalgae surface characteristic, its simple in construction, reasonable in design, easy to operate and using effect is good,
The relation between flotation efficiency and microalgae surface free energy can be predicted, and accurately and reliably predicts microalgae in different surfaces certainly
By can under flotation efficiency, provide foundation for quick selection high efficiency flotation conditions in microalgae Floatation Industry.
In order to solve the above technical problems, the technical solution adopted in the utility model is：It is a kind of based on microalgae surface characteristic
Microalgae flotation efficiency prediction meanss, it is characterised in that：The contact detected including controller, to microalgae with detection liquid contact angle
Angle detection module and the Zeta potential measuring instrument detected to microalgae Zeta potential, and the data processing connected with controller
Equipment, the input of the controller be terminated with timer, the mass air flow sensor detected in real time to flotation cell flow of aerating air and
The PH detection meters detected to the pH value of microalgae liquid, the output of the controller is terminated with display, microalgae liquid is stirred
The stirring module and the centrifugation module to microalgae liquid progress centrifugal treating mixed, the contact angle detection module include collection microalgae and visited
Survey video camera and the image capture module that connects with video camera output end that liquid determines sample image, described image acquisition module with
Controller connects.
A kind of above-mentioned microalgae flotation efficiency prediction meanss based on microalgae surface characteristic, it is characterised in that：Also include depositing
Reservoir and parameter setting module, the memory and parameter setting module connect with controller.
A kind of above-mentioned microalgae flotation efficiency prediction meanss based on microalgae surface characteristic, it is characterised in that：The data
Processing equipment is computer, and the computer carries out two-way communication by data communication module and controller.
A kind of above-mentioned microalgae flotation efficiency prediction meanss based on microalgae surface characteristic, it is characterised in that：The Zeta
Potential measuring instrument includes the generating device of laser for producing laser and the detection pin for detecting microalgae Zeta potential.
A kind of above-mentioned microalgae flotation efficiency prediction meanss based on microalgae surface characteristic, it is characterised in that：The data
Communication module is RS232 serial communication interfaces circuit or RS485 serial communication interface circuits.
The utility model has advantages below compared with prior art：
1st, the microalgae flotation efficiency prediction meanss used are simple in construction, reasonable in design and input cost is relatively low and installs
It is convenient to lay.
2nd, the microalgae flotation efficiency prediction meanss used are full-featured, by setting contact angle detection module to microalgae and
Detection liquid contact angle is detected, microalgae surface free energy is obtained by data processing equipment, by setting Zeta potential to measure
Instrument is detected to microalgae Zeta potential, and according to microalgae Zeta potential selective flotation agent, by setting PH detection meters, can detect
The pH value of microalgae liquid, by setting centrifugation module to realize the centrifugal treating of microalgae liquid, is easy to the inspection of microalgae and detection liquid contact angle
Survey；By setting stirring module to realize that the stirring of microalgae liquid avoids algae precipitate, by setting mass air flow sensor to the flotation
The flow of aerating air of groove is detected in real time, it is ensured that the flow of aerating air of flotation cell, which is met, to be required, it is ensured that the flotation effect of microalgae；Pass through
Timer is set to ensure that the microalgae detection liquid of camera acquisition setting time determines sample image, it is to avoid detection liquid has just dropped in algae level ground
On shake, be avoided that again detection liquid gravity influence, improve microalgae and detection liquid contact angle detection accuracy.
3rd, the microalgae flotation efficiency prediction meanss used are easy to operate, and detecting liquid to microalgae by video camera determines sample
Image is gathered in real time, is sent to the data processing equipment and is handled by data acquisition module and controller, obtained
Microalgae and detection liquid contact angle, obtain microalgae surface free energy according to microalgae and detection liquid contact angle, are obtained by microalgae flotation
Flotation efficiency, is quick in microalgae Floatation Industry so as to predict the relation between flotation efficiency and microalgae surface free energy
High efficiency flotation conditions are selected to provide foundation.
4th, the microalgae flotation efficiency prediction meanss used, can in real time be examined to the pH value and flow of aerating air of microalgae liquid
Survey, and the time for mixing time, the rotating speed of centrifugal treating and the centrifugal treating for stirring module can in real time be controlled, realized
To the intelligent control of microalgae flotation efficiency prediction meanss, operational requirements are farthest met.
In summary, the utility model is simple in construction, reasonable in design, easy to operate and using effect is good, can predict floating
The relation between efficiency and microalgae surface free energy is selected, flotation of the microalgae under different surfaces free energy is accurately and reliably predicted
Efficiency, foundation is provided for quick selection high efficiency flotation conditions in microalgae Floatation Industry.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-controller；2-mass air flow sensor；3-video camera；
4-image capture module；5-Zeta potential measuring instrument；6-timer；
7-stirring module；8-display；9-memory；
10-parameter setting module；11-centrifugation module；12-data communication module；
13-computer；14-PH detection meters.
Embodiment
As shown in figure 1, the utility model includes controller 1, the contact angle detected to microalgae and detection liquid contact angle
Detection module and the Zeta potential measuring instrument 5 detected to microalgae Zeta potential, and the data processing connected with controller 1
Equipment, the input of the controller 1 is terminated with timer 6, the mass air flow sensor 2 detected in real time to flotation cell flow of aerating air
The PH detections meter 14 detected with the pH value to microalgae liquid, the output of the controller 1 is terminated with being stirred microalgae liquid
Stirring module 7, the centrifugation module 11 and display 8 of centrifugal treating are carried out to microalgae liquid, the contact angle detection module includes
The image capture module 4 that collection microalgae detection liquid determines the video camera 3 of sample image and connected with the output end of video camera 3, it is described
Image capture module 4 connects with controller 1.
In the present embodiment, in addition to memory 9 and parameter setting module 10, the memory 9 and parameter setting module 10
Connect with controller 1.
In the present embodiment, it is characterised in that：The data processing equipment is computer 13, and the computer 13 passes through data
Communication module 12 and controller 1 carry out two-way communication.
In the present embodiment, the Zeta potential measuring instrument 5 includes being used to produce the generating device of laser of laser and for examining
The detection pin of micrometer algae Zeta potential.
In the present embodiment, the data communication module 12 is RS232 serial communication interfaces circuit or RS485 serial communications
Interface circuit.
In the present embodiment, the detection liquid includes deionized water, ethylene glycol and diiodomethane.
The utility model turns when it is implemented, presetting flow of aerating air setting value, centrifugation by parameter setting module 10
Dynamic speed, centrifugal treating time and mixing time, microalgae liquid is washed with deionized twice, then into the microalgae liquid after washing
HCL solution or NaOH solution are added, detects that the pH value of the microalgae liquid after 14 pairs of washings of meter detect in real time and will by PH
Microalgae liquid pH value after the washing detected is sent to controller 1, and the pH value for making the microalgae liquid after washing is 5~10, is treated
Handle microalgae liquid；Pending microalgae liquid is put into the Centrifuge Cup for filling deionized water again, Centrifuge Cup is inserted into centrifugation module 11
Centrifugal treating is carried out, and centrifugation module 11 is met centrifugation velocity of rotation set in advance and centrifugal treating time, is centrifuged
Pending microalgae liquid after processing, is then made algae level ground by pending microalgae liquid, and drop will be detected in system using the syringe
Into algae level ground on, obtain microalgae detection liquid determine sample, when reach timer 6 set time when, video camera 3 to microalgae detect
The image that liquid determines sample is acquired, and the microalgae collected detection liquid measure sample image is passed through into data acquisition module 4
Send to the data processing equipment and handled with controller 1, the data processing equipment obtains microalgae and spy by processing
Survey liquid contact angle, and the microalgae detected and detection liquid contact angle sent to controller 1, and by display 8 to microalgae and
Detection liquid contact angle synchronizes display, by changing the pH value of detection liquid and microalgae liquid, so as to obtain multiple microalgaes and detection
Liquid contact angle, controller 1 sends the multiple microalgaes received and detection liquid contact angle to calculating by data communication module 12
Machine 13, microalgae surface free energy when obtaining the different PH of microalgae liquid is handled by computer 13.
Zeta potential measuring instrument 5 detects to microalgae Zeta potential, and by the microalgae Zeta potential detected send to
Controller 1, while display is synchronized to microalgae Zeta potential by display 8, and according to microalgae Zeta potential selective flotation
Agent cetyl trimethylammonium bromide, by microalgae liquid be put into stirring module 7 be stirred according to mixing time set in advance after
And be put into flotation cell, then HCL solution or NaOH solution are added into the flotation cell, it is described floating by 14 pairs of PH detections meter
The pH value of microalgae liquid in groove is selected detect in real time and send the pH value of microalgae liquid in the flotation cell detected to control
Device 1, the pH value for making microalgae liquid in the flotation cell is 5~10, and flotation agent cetyl three is then added into the flotation cell
Methyl bromide ammonium, adjusts the flotation cell rotation and is stirred the backward flotation cell inflation, pass through 2 pairs of inflations of mass air flow sensor
Flow detect in real time and send the flow of aerating air detected to controller 1, meets the flow of aerating air of the flotation cell
Flow of aerating air setting value, while stirring inflation carries out flotation, flotation efficiency is obtained by the processing of computer 13, by changing
The pH value of microalgae liquid in flotation cell is stated, so as to obtain multiple flotation efficiencies, last computer 13 is by obtained multiple microalgae surfaces
Free energy and multiple flotation efficiencies are handled, and obtain the relation curve between microalgae surface free energy and flotation efficiency and expression
Formula, therefore, it is possible to predict the relation between flotation efficiency and microalgae surface free energy, and accurately and reliably predicts microalgae not
With the flotation efficiency under surface free energy, foundation is provided for quick selection high efficiency flotation conditions in microalgae Floatation Industry.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic, it is characterised in that：Including controller (1), right
Microalgae and the detection liquid contact angle contact angle detection module detected and the Zeta potential detected to microalgae Zeta potential
Measuring instrument (5), and the data processing equipment connected with controller (1), the input of the controller (1) are terminated with timer
(6) the PH inspections that the mass air flow sensor (2), detected in real time to flotation cell flow of aerating air and the pH value to microalgae liquid are detected
Survey meter (14), the output of the controller (1) is terminated with display (8), the stirring module (7) that is stirred to microalgae liquid and right
Microalgae liquid carries out the centrifugation module (11) of centrifugal treating, and the contact angle detection module includes collection microalgae detection liquid and determines sample
The video camera (3) of image and the image capture module (4) connected with video camera (3) output end, described image acquisition module (4) with
Controller (1) connects.
2. according to a kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic described in claim 1, its feature exists
In：Also include memory (9) and parameter setting module (10), the memory (9) and parameter setting module (10) with control
Device (1) connects.
3. according to a kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic described in claim 1 or 2, its feature
It is：The data processing equipment is computer (13), and the computer (13) passes through data communication module (12) and controller
(1) two-way communication is carried out.
4. according to a kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic described in claim 1 or 2, its feature
It is：The Zeta potential measuring instrument (5) is including for producing the generating device of laser of laser and for detecting microalgae Zeta electricity
The detection pin of position.
5. according to a kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic described in claim 1 or 2, its feature
It is：Data communication module (12) is RS232 serial communication interfaces circuit or RS485 serial communication interface circuits.
6. according to a kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic described in claim 1 or 2, its feature
It is：The detection liquid includes deionized water, ethylene glycol and diiodomethane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720124009.2U CN206451180U (en) | 2017-02-10 | 2017-02-10 | A kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic |
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| CN201720124009.2U CN206451180U (en) | 2017-02-10 | 2017-02-10 | A kind of microalgae flotation efficiency prediction meanss based on microalgae surface characteristic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060063A (en) * | 2018-02-09 | 2018-05-22 | 长安大学 | A kind of multi-functional microalgae flotation unit and operating method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060063A (en) * | 2018-02-09 | 2018-05-22 | 长安大学 | A kind of multi-functional microalgae flotation unit and operating method |
| CN108060063B (en) * | 2018-02-09 | 2022-03-04 | 长安大学 | Multifunctional microalgae flotation device and operation method |
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Granted publication date: 20170829 Termination date: 20180210 |
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