CN110396469A - A kind of fixed flue gas CO of microalgae2The device and technique of biodiesel processed - Google Patents

A kind of fixed flue gas CO of microalgae2The device and technique of biodiesel processed Download PDF

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CN110396469A
CN110396469A CN201910793861.2A CN201910793861A CN110396469A CN 110396469 A CN110396469 A CN 110396469A CN 201910793861 A CN201910793861 A CN 201910793861A CN 110396469 A CN110396469 A CN 110396469A
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air
wind
algae
grinding
microalgae
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CN110396469B (en
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司崇殿
宋文路
尹春光
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Jining University
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Jining University
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    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02—Stirrer or mobile mixing elements
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    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/06—Hydrolysis; Cell lysis; Extraction of intracellular or cell wall material
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    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/14—Drying
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/64—Fats; Fatty oils; Ester-type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats
    • C12P7/6436—Fatty acid esters
    • C12P7/649—Biodiesel, i.e. fatty acid alkyl esters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
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Abstract

The invention discloses a kind of fixed flue gas CO of microalgae2The device of biodiesel processed, device include microdisk electrode tank, drying chamber, grinding pot and centrifuge；Microdisk electrode tank is cylindrical；The upper end of microdisk electrode tank is equipped with motor, feed pipe and discharge nozzle, lower end is equipped with appendix；The bottom of microdisk electrode tank is provided with air agitation paddle；The bottom of air agitation paddle offers air inlet, and air inlet is connected with appendix；It is provided with a plurality of air holes on air agitation paddle and multiple stirrer paddles；The axle portion of air agitation paddle raises upward and is fixedly connected with transmission shaft；Transmission shaft is upwardly extended to be fixedly connected with the output shaft of motor；Discharge nozzle is connected with drying chamber, and pump is installed on the pipe shaft of discharge nozzle, end is equipped with nozzle.The present invention can be such that the project of microalgae production biodiesel is applied in industrial production, get rid of adhering rigidly to for laboratory stage, and simple structure, easy to use, do not need the instrument for preparing a large amount of multiplicity, reduce production cost.

Description

A kind of fixed flue gas CO of microalgae2The device and technique of biodiesel processed
Technical field
The present invention relates to a kind of device and technique more particularly to a kind of fixed flue gas CO of microalgae2The device of biodiesel processed And technique.
Background technique
Utilize the fixed CO of microalgae2Characteristic manufacture biodiesel be research relatively broad project field in, but it is most Still laboratory stage is only rested on.Laboratory stage is cumbersome, numerous using instrument, can not be applied in industrial production, Or it is applied to higher cost in industry, it is unfavorable for the development and popularization of project.Secondly, such as paper mill, destructor plant, thermoelectricity A large amount of CO can be often discharged in factory etc.2, to CO in flue gas2Using lower, a level pressure can also be caused to environment by being discharged into atmosphere Power, therefore the CO in flue gas is absorbed using microalgae2It can promote carbon cycle, improve the utilization rate of carbon, mitigate environmental pressure.
Summary of the invention
In order to solve shortcoming present in above-mentioned technology, the present invention provides a kind of fixed flue gas CO of microalgae2System life The device and technique of object diesel oil.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of fixed flue gas CO of microalgae2System biology The device of diesel oil, device include microdisk electrode tank, drying chamber, grinding pot and centrifuge；
Microdisk electrode tank is cylindrical；The upper end of microdisk electrode tank is equipped with motor, feed pipe and discharge nozzle, lower end installation There is appendix；The bottom of microdisk electrode tank is provided with air agitation paddle；The bottom of air agitation paddle offers air inlet, air inlet It is connected with appendix；It is provided with a plurality of air holes on air agitation paddle and multiple stirrer paddles；The axle portion of air agitation paddle to Upper protrusion is simultaneously fixedly connected with transmission shaft；Transmission shaft is upwardly extended to be fixedly connected with the output shaft of motor；
Discharge nozzle is connected with drying chamber, and pump is installed on the pipe shaft of discharge nozzle, end is equipped with nozzle；Drying chamber Upper end is equipped with ventilation duct, and the end of ventilation duct is fixed with blower and heating wire；Air inducing slot is provided on the inner wall of drying chamber；It is dry The lower end of dry tank is connected by unloading wind connector with grinding pot；
It unloads being internally provided with for wind connector and unloads air compartment and collecting chamber, and unload the upside that air compartment is set to collecting chamber；Unload wind It is offered on the side wall of room and multiple unloads air regulator；It unloads and is provided with filter screen on air regulator；It collapses and offers discharging in the lower end of collecting chamber Mouthful；It unloads and is provided with wind deflector between air compartment and collecting chamber；The side of wind deflector is fixed on inner wall, it is another be sloped downwardly, and Baffle outlet is offered in the middle part of wind deflector, the downside of baffle outlet is provided with side baffle；
The lower end of collecting chamber is fixedly connected with grinding pot；Grinding pot be internally provided with grinding roller, bottom surface offers delivery port； Delivery pipe is installed at delivery port；The lower end of delivery pipe is connected with the feeding inlet of centrifuge.
Further, the top of air inducing slot self-desiccation tank extends in the shape of a spiral to bottom.
Further, the upper end for unloading wind connector is connected by upper flange with drying chamber, lower end by lower flange and is ground Grinding jar is connected；The lower end of collecting chamber is provided with solenoid valve and gravity sensor.
Further, grinding pot includes conveyor casing and covers as the cover on conveyor casing, and conveyor casing and cover Between be provided with vertical coaming plate；Conveyer is provided in conveyor casing；Delivery port is located on the conveyor casing of conveyer discharge end；Mill Roller be it is multiple, multiple grinding rollers are arranged side by side in the upper end of conveyer, and the axle portion of multiple grinding rollers is filled with the transmission in vertical coaming plate It sets and is connected.
Further, transmission device includes drive rod and the drive bevel gear that is set on drive rod；Drive bevel gear To be multiple, multiple drive bevel gears and multiple grinding rollers are corresponded, and one is engaged in each drive bevel gear by mantle Gear；Dynamic bevel gear is fixedly connected with grinding roller.
A kind of fixed flue gas CO of microalgae2The technique for applying of the device of biodiesel processed, technique the following steps are included:
A, the time for cultivating microalgae for the first time in microdisk electrode tank is 8 days, and cultivation cycle foreshortens to 4 days later；It period, will The CO being collected into flue gas2It is passed into appendix, makes CO2It can enter in micro algae culturing liquid in the stomata on air agitation paddle It is fixed for microalgae；And under the agitation of air agitation paddle, make CO2Dispersion is more evenly；Starting for the 3rd day for microalgae is being cultivated, The citric acid of 0.1~0.5g/L and the magnesium chloride of 0.01~0.05g/L is added thereto from feed pipe daily；
B, culture was pumped into drying chamber by discharge nozzle using pump by the 4/5 of algae solution volume to the 8th day, and to remaining Remaining 1/5 volume algae solution in add the culture solution of 4/5 volume, continue to cultivate；Blower and heating wire are successively opened, into drying chamber Hot wind is inputted, algae solution is sprayed by nozzle atomization then, algae solution is made to be dried to obtain algae powder in drying chamber；
C, algae powder enters under gravity and wind-force effect unloads wind connector, and in unloading wind connector, unloading air regulator will be most of Wind-force is shed, and falls to algae powder in collecting chamber, and wind deflector can further shed wind-force, and prevents wind-force will be in collecting chamber Algae powder blow afloat；Algae powder enters grinding pot under the effect of gravity；
D, conveyor surface is fallen to above algae powder self-grind tank, while conveyer travels forward, passes through algae powder The grinding broken wall of multiple grinding rollers, and while reaching delivery port, falls in centrifuge from delivery port through delivery pipe；
E, by the feeding inlet of centrifuge be added thereto 10 times of algae powders product extract liquor, extract 1~2h after, start from Scheming is to obtain the liquid phase for having biodiesel
The present invention can be such that the project of microalgae production biodiesel is applied in industrial production, get rid of laboratory stage It adheres rigidly to, and simple structure, it is easy to use, the instrument for preparing a large amount of multiplicity is not needed, production cost is reduced.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of drying chamber.
Fig. 3 is the schematic diagram of the section structure for unloading wind connector.
Fig. 4 is the schematic diagram of internal structure of grinding pot.
Fig. 5 is the bottom view of Fig. 4.
Fig. 6 is the structural schematic diagram of transmission device.
In figure: 1, microdisk electrode tank；2, drying chamber；3, grinding pot；4, centrifuge；5, motor；6, feed pipe；7, it discharges Pipe；8, appendix；9, air agitation paddle；10, stomata；11, stirrer paddle；12, transmission shaft；13, it pumps；14, blower；15, electric heating Silk；16, air inducing slot；17, wind connector is unloaded；18, air regulator is unloaded；19, wind deflector；20, side baffle；21, grinding roller；22, delivery port； 23, delivery pipe；24, conveyor casing；25, coaming plate is found；26, conveyer；27, drive rod；28, drive bevel gear；29, by mantle tooth Wheel.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
The fixed flue gas CO of a kind of microalgae shown in FIG. 12The device of biodiesel processed, device include microdisk electrode tank 1, drying Tank 2, grinding pot 3 and centrifuge 4；The present apparatus is suitable for industrialized production biodiesel, can be shortened with continuous production, processing Manufacturing process reduces the type for using machine, to improve efficiency, reduces production cost.
Microdisk electrode tank is for cultivating microalgae, the fixed CO of microalgae2Preparation biodiesel needs to expend a large amount of microalgae, therefore Microdisk electrode tank can a large amount of, successive batches of culture microalgaes, provide the output of enough raw materials for the manufacture of biodiesel.Microalgae Culture tank 1 is cylindrical；The upper end of microdisk electrode tank is equipped with motor 5, feed pipe 6 and discharge nozzle 7, lower end and is equipped with appendix 8；The bottom of microdisk electrode tank is provided with air agitation paddle 9；The bottom of air agitation paddle offers air inlet, air inlet and gas transmission Pipe is connected；10 and multiple stirrer paddles 11 are provided with a plurality of air holes on air agitation paddle；The axle portion of air agitation paddle is upward Protrusion is simultaneously fixedly connected with transmission shaft 12；Transmission shaft is upwardly extended to be fixedly connected with the output shaft of motor 5；Motor control ventilation is stirred Paddle rotation is mixed, to play the role of stirring algae solution, CO can be made2Diffusion more evenly, allows algae solution and CO2Contact is more Sufficiently, completely, to improve the total quality of algae solution.
Discharge nozzle 7 is connected with drying chamber 2, and drying chamber is used for the moisture evaporation in algae solution, broken convenient for subsequent mechanical Cell wall, and pump 13 is installed on the pipe shaft of discharge nozzle, end is equipped with nozzle, nozzle can by flow by algae solution be atomized spray Out, the algae solution of atomization is easier desiccation；The upper end of drying chamber is equipped with ventilation duct, and the end of ventilation duct is fixed with blower 14 And heating wire 15, blower and heating wire are for blowing out hot wind；As shown in Fig. 2, air inducing slot 16 is provided on the inner wall of drying chamber, by Algae powder after drying is thinner, is readily adhered on the inner wall of drying chamber, powder rate is reduced, therefore air inducing slot is arranged, due to air inducing The top of 16 self-desiccation tank of slot extends in the shape of a spiral to bottom, forms track, the wind a part for promoting script up and down direction to keep straight on It is moved along air inducing slot direction, guides wind into inner wall, the algae powder so as to adhere on inner wall is blown afloat, to reduce adhesive rate, is mentioned High starch yield；The lower end of drying chamber is connected by unloading wind connector 17 with grinding pot 3；
Since the wind wind-force that blower is blown in closed environment is larger, causes air turbulence, grinding is directly connected to by drying chamber Device can then make air-flow upset the algae powder in grinding device, and algae powder is made to blow afloat and cannot grind broken wall, therefore intermediate increase is unloaded Wind connector can lay down most of wind-force, prevent disturbance of the algae powder by air-flow in grinding device.
As shown in figure 3, unloading being internally provided with for wind connector 17 unloads air compartment and collecting chamber, and unloads air compartment and be set to collecting chamber Upside；It unloads to offer on the side wall of air compartment and multiple unloads air regulator 18；It unloads and is provided with filter screen on air regulator；Make the high gas in drying chamber Pressure is mitigated, unloads power, while also being made to unload air regulator and the air circulation of inside and outside can be made without making under the action of filter screen The evolution of algae powder；At the same time, it unloads and is provided with wind deflector 19 between air compartment and collecting chamber；The side of wind deflector is fixed on inner wall It is upper, another to be sloped downwardly, and baffle outlet is offered in the middle part of wind deflector, the downside of baffle outlet is provided with side baffle 20； Wind deflector can stop remaining wind-force, continue that air-flow is prevented to blow afloat the algae powder in collecting chamber.One side wind deflector can stop The wind blow-through of blower is into collecting chamber；Another aspect wind deflector can stop the algae powder in collecting chamber to be flown upward out by airflow influence to receive Collect room, further increase the powder producing rate of device and guarantees being normally carried out for later step.
The upper end for unloading wind connector 17 is connected by upper flange with drying chamber, lower end is connected by lower flange with grinding pot It connects；In a fact Example, the lower end of collecting chamber is provided with solenoid valve and gravity sensor, when algae powder gather 100g or When 500g or 1000g, gravity sensor can open solenoid valve, so that algae powder be made to enter in grinding pot.
It collapses and offers discharge port in the lower end of collecting chamber；The lower end of collecting chamber, which is collapsed, can help to the aggregation of algae powder, make to fall The algae powder entered in grinding pot is more concentrated, convenient for grinding.
The lower end of collecting chamber is fixedly connected with grinding pot；Grinding pot 3 be internally provided with grinding roller 21, bottom surface offers conveying Mouth 22；Delivery pipe 23 is installed at delivery port；The lower end of delivery pipe is connected with the feeding inlet of centrifuge.It is ground in ground tank Algae powder after broken wall can enter in centrifuge via delivery pipe to be extracted and is centrifuged.
Wherein, as shown in Figure 4,5, grinding pot includes conveyor casing 24 and cover as the cover on conveyor casing, and cover is used It is isolated from the outside inside by grinding pot, since the quality of algae powder is small, is easy to be flown up by interference in air flow, it is therefore desirable to which isolation is outer Interference of portion's environment to grinding algae powder.And vertical coaming plate 25 is provided between conveyor casing and cover；It is provided in conveyor casing defeated Send machine 26；Conveyer can drive algae powder to advance to grind by multiple grinding rollers.Delivery port is located at the conveying of conveyer discharge end On casing, when algae powder is run to the conveyer end, it can fall under the effect of gravity, leave conveyer through delivery port.Grinding roller is Multiple, multiple grinding rollers are arranged side by side in the upper end of conveyer, allow algae powder by repeatedly grinding to reach shell-broken effect.
The axle portion of multiple grinding rollers is connected with the transmission device in vertical coaming plate.As shown in fig. 6, transmission device includes transmission Bar 27 and the drive bevel gear 28 being set on drive rod；Drive bevel gear is multiple, multiple drive bevel gears and multiple mills Roller corresponds, and a dynamic bevel gear 29 is engaged in each drive bevel gear；Dynamic bevel gear and grinding roller stationary phase It connects.Drive rod rotates under the control of motor, and drive bevel gear is driven to rotate, the engagement of drive bevel gear and dynamic bevel gear Effect can change rotation direction, to drive the grinding roller mutually fixed with dynamic bevel gear to rotate, to realize grinding algae powder Effect.
A kind of fixed flue gas CO of microalgae2The technique for applying of the device of biodiesel processed, comprising the following steps:
A, the time for cultivating microalgae for the first time in microdisk electrode tank is 8 days, and cultivation cycle later is shorten to 4 days；Period, The CO that will be collected into flue gas2It is passed into appendix, makes CO2Micro algae culturing liquid can be entered in the stomata on air agitation paddle It is middle to be fixed for microalgae；And under the agitation of air agitation paddle, make CO2Dispersion is more evenly；In opening for the 3rd day for culture microalgae Begin, the citric acid of 0.1~0.5g/L and the magnesium chloride of 0.01~0.05g/L is added thereto from feed pipe daily；
B, culture was pumped into drying chamber by discharge nozzle using pump by the 4/5 of algae solution volume to the 8th day, and to remaining Remaining 1/5 volume algae solution in add the culture solution of 4/5 volume, continue to cultivate；Blower and heating wire are successively opened, into drying chamber Hot wind is inputted, algae solution is sprayed by nozzle atomization then, algae solution is made to be dried to obtain algae powder in drying chamber；
C, algae powder enters under gravity and wind-force effect unloads wind connector, and in unloading wind connector, unloading air regulator will be most of Wind-force is shed, and falls to algae powder in collecting chamber, and wind deflector can further shed wind-force, and prevents wind-force will be in collecting chamber Algae powder blow afloat；Algae powder enters grinding pot under the effect of gravity；
D, conveyor surface is fallen to above algae powder self-grind tank, while conveyer travels forward, passes through algae powder The grinding broken wall of multiple grinding rollers, and while reaching delivery port, falls in centrifuge from delivery port through delivery pipe；It is used in the present apparatus Centrifuge be commonplace industrial centrifuge in the prior art, instead of the use of extraction tower, directly in centrifuge It is extracted and is centrifugated, simplify processing step；
E, by the feeding inlet of centrifuge be added thereto 10 times of algae powders product extract liquor, extract 1~2h after, start from Scheming is to obtain the liquid phase for having biodiesel.Wherein, extract liquor can be petroleum ether or other common lipid extract liquors.It will extraction Solid-liquid after taking is centrifuged, and retains liquid phase, is purified according to the prior art through evaporation and is obtained biodiesel.
Frond is needed by growth period, logarithmic phase and stationary phase three phases when due to cultivating for the first time, and uses stabilization The frond when phase carries out the technique of preparation biodiesel, therefore the time cultivated for the first time is longer, due to the algae after first batch Body culture is all that 1/5 microalgae seed liquor adds the mode of 4/5 culture medium, and frond can be allow to enter logarithmic phase and stabilization quickly Phase, therefore the frond culture of later lot is obviously shortened the time.
Secondly, citric acid has the function of improving total lipid content, magnesium ion is the constituent of chloroplaset, can promote second The generation of acyl coenzyme A to promote the synthesis of grease, therefore is being trained to increase the enzyme activity of CoA carboxylase enzyme and desaturase It supports the microalgae stage and adds two kinds of substances to improve the yield of biodiesel.
The present invention has the advantage that compared with prior art are as follows:
The present invention can be such that the project of microalgae production biodiesel is applied in industrial production, get rid of laboratory stage It adheres rigidly to, and simple structure, it is easy to use, the instrument for preparing a large amount of multiplicity is not needed, production cost is reduced.
Above embodiment is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck The variations, modifications, additions or substitutions that the technical staff in domain is made within the scope of technical solution of the present invention, also belong to this hair Bright protection scope.

Claims (6)

1. a kind of fixed flue gas CO of microalgae2The device of biodiesel processed, it is characterised in that: described device includes microdisk electrode tank (1), drying chamber (2), grinding pot (3) and centrifuge (4)；
The microdisk electrode tank (1) is cylindrical；The upper end of microdisk electrode tank is equipped with motor (5), feed pipe (6) and discharge nozzle (7), lower end is equipped with appendix (8)；The bottom of the microdisk electrode tank is provided with air agitation paddle (9)；Air agitation paddle Bottom offers air inlet, and air inlet is connected with appendix；Be provided with a plurality of air holes on the air agitation paddle (10) and Multiple stirrer paddles (11)；The axle portion of the air agitation paddle raises upward and is fixedly connected with transmission shaft (12)；The transmission Axis is upwardly extended to be fixedly connected with the output shaft of motor (5)；
The discharge nozzle (7) is connected with drying chamber (2), and pump (13) is installed on the pipe shaft of discharge nozzle, end is equipped with spray Mouth；The upper end of the drying chamber is equipped with ventilation duct, and the end of ventilation duct is fixed with blower (14) and heating wire (15)；It is described dry Air inducing slot (16) are provided on the inner wall of dry tank；The lower end of the drying chamber is by unloading wind connector (17) and grinding pot (3) phase Connection；
It is described to unload being internally provided with for wind connector (17) and unload air compartment and collecting chamber, and unload the upside that air compartment is set to collecting chamber； It is offered on the side wall for unloading air compartment and multiple unloads air regulator (18)；Described unload is provided with filter screen on air regulator；The collecting chamber It collapses and offers discharge port in lower end；Described unload is provided with wind deflector (19) between air compartment and collecting chamber；The one of the wind deflector Side is fixed on inner wall, it is another be sloped downwardly, and baffle outlet is offered in the middle part of wind deflector, the downside setting of baffle outlet There are side baffle (20)；
The lower end of the collecting chamber is fixedly connected with grinding pot；The grinding pot (3) be internally provided with grinding roller (21), bottom surface is opened Equipped with delivery port (22)；Delivery pipe (23) are installed at the delivery port；The lower end of the delivery pipe and the feeding inlet of centrifuge It is connected.
2. the fixed flue gas CO of microalgae according to claim 12The device of biodiesel processed, it is characterised in that: the air inducing slot (16) top of self-desiccation tank extends in the shape of a spiral to bottom.
3. the fixed flue gas CO of microalgae according to claim 12The device of biodiesel processed, it is characterised in that: described to unload wind company The upper end of connector (17) is connected by upper flange with drying chamber, lower end is connected by lower flange with grinding pot；The collection The lower end of room is provided with solenoid valve and gravity sensor.
4. the fixed flue gas CO of microalgae according to claim 12The device of biodiesel processed, it is characterised in that: the grinding pot Vertical coaming plate is provided with as the cover on conveyor casing, and between conveyor casing and cover including conveyor casing (24) and cover (25)；Conveyer (26) are provided in the conveyor casing；The delivery port is located on the conveyor casing of conveyer discharge end；Institute State grinding roller be it is multiple, multiple grinding rollers are arranged side by side in the upper end of conveyer, and the axle portion of multiple grinding rollers with the biography in vertical coaming plate Dynamic device is connected.
5. the fixed flue gas CO of microalgae according to claim 42The device of biodiesel processed, it is characterised in that: the transmission dress It sets including drive rod (27) and the drive bevel gear (28) being set on drive rod；The drive bevel gear be it is multiple, it is multiple Drive bevel gear and multiple grinding rollers correspond, and a dynamic bevel gear (29) is engaged in each drive bevel gear；Institute Dynamic bevel gear is stated to be fixedly connected with grinding roller.
6. one kind microalgae as described in any one of Claims 1 to 5 fixes flue gas CO2The application work of the device of biodiesel processed Skill, it is characterised in that: the technique the following steps are included:
A, the time for cultivating microalgae for the first time in microdisk electrode tank is 8 days, and cultivation cycle foreshortens to 4 days later；Period, by flue gas In the CO that is collected into2It is passed into appendix, makes CO2It can enter in micro algae culturing liquid in the stomata on air agitation paddle for micro- Algae is fixed；And under the agitation of air agitation paddle, make CO2Dispersion is more evenly；In starting for the 3rd day for culture microalgae, daily The citric acid of 0.1~0.5g/L and the magnesium chloride of 0.01~0.05g/L is added thereto from feed pipe；
B, culture was pumped into drying chamber by discharge nozzle using pump by the 4/5 of algae solution volume to the 8th day, and to remaining 1/5 The culture solution that 4/5 volume is added in the algae solution of volume continues to cultivate；Blower and heating wire are successively opened, is inputted into drying chamber Then algae solution is sprayed by nozzle atomization, algae solution is made to be dried to obtain algae powder in drying chamber by hot wind；
C, algae powder enters under gravity and wind-force effect unloads wind connector, in unloading wind connector, unloads air regulator for most of wind-force It sheds, falls to algae powder in collecting chamber, wind deflector can further shed wind-force, and prevent wind-force by the algae in collecting chamber Powder is blown afloat；Algae powder enters grinding pot under the effect of gravity；
D, conveyor surface is fallen to above algae powder self-grind tank, while conveyer travels forward, makes algae powder by multiple The grinding broken wall of grinding roller, and while reaching delivery port, falls in centrifuge from delivery port through delivery pipe；
E, the extract liquor of 10 times of algae powders product is added thereto by the feeding inlet of centrifuge, after extracting 1~2h, starts centrifuge Obtain the liquid phase for having biodiesel.
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