CN101597564B - Method and system for harvesting microalgae and microalgae harvester - Google Patents

Method and system for harvesting microalgae and microalgae harvester Download PDF

Info

Publication number
CN101597564B
CN101597564B CN2009101375263A CN200910137526A CN101597564B CN 101597564 B CN101597564 B CN 101597564B CN 2009101375263 A CN2009101375263 A CN 2009101375263A CN 200910137526 A CN200910137526 A CN 200910137526A CN 101597564 B CN101597564 B CN 101597564B
Authority
CN
China
Prior art keywords
algae
harvesting
microalgae
culturing device
little
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2009101375263A
Other languages
Chinese (zh)
Other versions
CN101597564A (en
Inventor
张涵
王琳
王垚
陈洪涛
朱振旗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENN Science and Technology Development Co Ltd
Original Assignee
ENN Science and Technology Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ENN Science and Technology Development Co Ltd filed Critical ENN Science and Technology Development Co Ltd
Priority to CN2009101375263A priority Critical patent/CN101597564B/en
Publication of CN101597564A publication Critical patent/CN101597564A/en
Application granted granted Critical
Publication of CN101597564B publication Critical patent/CN101597564B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M33/00Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/14Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus with filters, sieves or membranes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12MAPPARATUS 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
    • C12M21/00Bioreactors or fermenters specially adapted for specific uses
    • C12M21/02Photobioreactors

Abstract

The invention discloses a method and a system for harvesting microalgae and a microalgae harvester, which are used for harvesting the microalgae in a microalgae culture apparatus. The method comprises the following steps that: the microalgae harvester moves along a track arranged on the microalgae culture apparatus which contains microalgae algae solution, and a harvesting device arranged below the microalgae harvester filters and collects the microalgae in the algae solution and enriches the microalgae in a selected area in the microalgae culture apparatus; and a microalgae harvesting vehicle collects the microalgae enriched algae solution in the selected area in the microalgae culture apparatus. The method for harvesting the microalgae can enrich the microalgae in a small area for collection, and only needs to collect the microalgae enriched algae solution in the selected area in the microalgae harvesting device. Because a harvesting system moves slowly without circulating liquid, the working strength is reduced, the energy consumption is reduced, and the working efficiency is improved.

Description

A kind of microalgae harvesting method, system and microalgae harvesting machine
Technical field
The present invention relates to biological technical field, refer to a kind of low cost that the micro algae culturing device cultured microalgae is gathered in the crops, microalgae harvesting method, system and microalgae harvesting machine of robotization of being used for especially.
Background technology
To spreading unchecked in a large number of the little algae of frequent generation and lake of red tide in recent years, and the appearance of cultivating of extensive little algae, make little algae processing, gather in the crops, be processed into the hot issue of present research.Harvesting method commonly used at present has:
(1) filtration method
Australia's application number is that 486999 patented claims disclose a kind of filter method that from little algae suspension-s, reclaims frond.Be specially: before filtration, will help and consider in the agent adding algae suspension-s, high-pressure filteration reclaims to help and considers agent and frond then; Frond is separated with helping the worry agent, and frond gets into next step extraction procedure, helps the worry agent to recycle.
Application number is a disclosed microalgae harvesting method in the WO9828403A1 patented claim; Be specially: after the frustule fragmentation; Saltwater brine does not add flocculation agent by being pumped into micropore filtering film, and the frond enriched material is trapped, and the bittern that sees through film does not contain Serlabo; Therefore, can adopt cascade filtration to adjust salt and carotenoid concentration in the trapped substance.
Filtration method is commonly used, maturing construction method, but because the density of little algae suspension-s is low excessively, needs to consume significant amount of energy and just can the algae liquid pump be gone into filtration unit, realizes the purpose of filtering separation, and cost is too high.
(2) centrifugal separation
Spinning is the mechanical separation method of a kind of forced action type commonly used in the bioseparation.In little algae separates, using at present more is the disk centrifugal separating machine of automatic slag dumping, easy handling, and can non-stop run.
But this separation method equally also need be gone into whizzer with a large amount of algae liquid pumps, and the energy consumption of whizzer almost is the highest in all separating devices.This separation method causes the energy consumption of microalgae harvesting almost to occupy the 1/3-1/2 that little algae is cultivated cost.
(3) chemical flocculation
The Microbial resources company of the U.S. adopts flocculent precipitation enrichment salt algae; Each intensive culture cycle is all used the salts solution of new preparation, when the salt algae is gathered, the intensive culture algae is introduced special use gather in the settling tank; Under suitable stirring, add a certain proportion of flocculation agent, flocculating settling salt algae; Directly reach the conical lower portion vacsorb deposition algae mud of settling tank with absorption tube.
The improvement of another kind of flocculence is used: the algae liquid pump is being gone into air flotation pool, and the adding flocculation agent is little algae flocculation, feeds gas in the air flotation pool bottom then, is that the little algae after the flocculation is surperficial at gas-entrained effect low suspension and algae liquid, is convenient to collect.The air supporting method that this just often says.
Be that flocculence or air supporting method all are common chemical separating methods, in the chemical industry scope that is widely used, but the application in little algae is collected still needs further research again.And flocculence generally need be introduced special-purpose settling tank or air flotation pool, little algae of gathering then with algae liquid.Still have the energy expenditure with pump carrying algae liquid in this process, and the selection of flocculation agent is very crucial, common flocculation agent produces destruction to little algae probably.
(4) flocculation of electric field
Flocculation of electric field is the improvement to common flocculence.Salt frustule its surface in an aqueous medium generally all has faint electronegativity, and these charged particles possibly form electric capacity between two adjacent particles on every side after it is by the liquid film balance that coats.Under the extra electric field effect, this balance is easy to broken, so frustule forms big wadding piece at the carrier surface coalescence, thereby realizes the collection to little algae.
But there is limitation in the use of flocculation of electric field method, not all little algae all exist certain electrically, so this method does not have ubiquity.
(5) new technology such as micro-filtration, ultrafiltration
New technology such as micro-filtration, ultrafiltration is attempting being applied in the microalgae harvesting process in the recent period, but mostly also in the experimental phase, does not temporarily have the possibility of extensive use.
The method that above-mentioned microalgae harvesting generally adopts adopts the mode pump algae liquid, carries out little algae through filtration and collects, and at present, tubular type, biological photosynthetic reactor (micro algae culturing device) such as box also generally adopt the above-mentioned algae liquid that pumps, and filter the method for collecting.Because the little algae algae of cultured microalgae liquid density is all lower; When circulation algae liquid and filter screen are collected little algae; The circulation of a large amount of algae liquid is extracted out by pump, causes workload very big, makes the energy consumption in the results process very big; Cause the fixed cost of microalgae harvesting too high, thereby influenced the reduction of little algae production cost.At present, in both culturing microalgae and production process, exist yield poorly, problem such as cost height, the production cost that it is high, major part is to cause by the microalgae harvesting cost is too high.
And problems such as the applicable surface of above-mentioned employing flocculence is narrow again can not reach problems such as ideal results effect.
Summary of the invention
The embodiment of the invention provides a kind of microalgae harvesting method, system and microalgae harvesting machine, has solved problems such as little algae produces in the prior art, the results cost is too high, power consumption is big.
A kind of microalgae harvesting machine comprises: frame, drive unit, harvesting apparatus and at least one group of wheel;
Said drive unit is installed on the said frame, and being used for provides power to the one group of wheel that links to each other with self;
Said harvesting apparatus is fixedly mounted on the below of said frame, is used for filtering little algae of collecting algae liquid, in the selection area of little algae enrichment in the micro algae culturing device;
Said wheel is fixedly mounted on the below of said frame; Wherein, have at least one group of wheel to link to each other, under the power that said drive unit provides drives, rotate with said drive unit; Rotation through said wheel drives said harvesting apparatus and moves along the track that is provided with on the said micro algae culturing device, realizes in the selection area of the little algae enrichment in the algae liquid in the said micro algae culturing device.
Above-mentioned microalgae harvesting machine of the present invention, said harvesting apparatus comprises: harvesting tool and filtering net;
Said harvesting tool is fixedly mounted on the below of said frame;
Said filtering net is installed on the said harvesting tool, is used for when moving with said harvesting tool, filters the little algae in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device.
Above-mentioned microalgae harvesting machine of the present invention, said drive unit comprises: PWR PLT and transmission mechanism;
Said transmission mechanism is fixedly mounted in the middle cavity of said frame, links to each other with the said PWR PLT of the top that is fixedly mounted on said frame; And the power that said PWR PLT provide sent to the one group of wheel that links to each other with self.
Above-mentioned microalgae harvesting machine of the present invention, said transmission mechanism comprises: belt and two belt wheels;
Said two belt wheels are installed in the middle cavity of said frame, and wherein, a belt wheel is connected with said PWR PLT, another belt wheel and one group of coaxial connection of wheel;
Said belt and said two belt wheels are formed belt gear, drive said wheel and rotate.
Above-mentioned microalgae harvesting machine of the present invention, said transmission mechanism also comprises: worm gear and worm screw;
Said worm gear and worm screw are installed in the middle cavity of frame; Said worm screw is connected with said PWR PLT, and said worm gear is connected with a said belt wheel again, realizes the transmission of power.
Above-mentioned microalgae harvesting machine of the present invention, the shape of said harvesting tool and size are confirmed by the suspended state of said micro algae culturing device shape of cross section and little algae; Specifically comprise:
If little algae suspends and is distributed in the algae liquid, then the size of said harvesting tool is equal to or slightly less than the size of micro algae culturing device xsect, and shape is identical with said xsect;
If little algae floats on algae liquid surface or is sunken to the bottom of algae liquid, then the size of said harvesting tool and shape are confirmed by the shape of cross section in little algae distributed areas height and this altitude range of said micro algae culturing device.
Above-mentioned microalgae harvesting machine of the present invention, flexible material is arranged at said harvesting tool two sides and bottom, is used for when moving with harvesting tool the sidewall and the bottom surface of cleaning micro algae culturing device.
Above-mentioned microalgae harvesting machine of the present invention, the span of the mesh aperture size of said filtering net is 1 μ m~1000 μ m, specifically chooses the filtering net with different mesh apertures according to kind of little algae and/or the size of little algae.
Above-mentioned microalgae harvesting machine of the present invention also comprises:
Guiding parts is installed on the outer wall of said frame front or back, is used to guarantee that said microalgae harvesting machine is along the orbiting that is provided with on the said micro algae culturing device.
A kind of microalgae harvesting system comprises: micro algae culturing device, microalgae harvesting machine and microalgae harvesting vehicle;
Said micro algae culturing device is used to hold the algae liquid that contains little algae, and it is provided with track;
Said microalgae harvesting machine is used for the orbiting that is provided with on the said micro algae culturing device, and the harvesting apparatus through its below is provided with filters little algae of collecting in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device;
Said microalgae harvesting vehicle is used for collecting the little algae enrichment algae liquid in the said micro algae culturing device selection area;
Said microalgae harvesting machine comprises: frame, drive unit, harvesting apparatus and at least one group of wheel;
Said drive unit is installed on the said frame, and being used for provides power to the one group of wheel that links to each other with self;
Said harvesting apparatus is fixedly mounted on the below of said frame, is used for filtering little algae of collecting algae liquid, in the selection area of little algae enrichment in the micro algae culturing device;
Said wheel is fixedly mounted on the below of said frame; Wherein, have at least one group of wheel to link to each other, under the power that said drive unit provides drives, rotate with said drive unit; Rotation through said wheel drives said harvesting apparatus and moves along the track that is provided with on the said micro algae culturing device, realizes in the selection area of the little algae enrichment in the algae liquid in the said micro algae culturing device.
Above-mentioned microalgae harvesting of the present invention system, the said harvesting apparatus that comprises in the said microalgae harvesting machine comprises: harvesting tool and filtering net;
Said harvesting tool is fixedly mounted on the below of said frame;
Said filtering net is installed on the said harvesting tool, is used for when moving with said harvesting tool, filters the little algae in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device.
Above-mentioned microalgae harvesting of the present invention system, the said drive unit that comprises in the said microalgae harvesting machine comprises: PWR PLT and transmission mechanism;
Said transmission mechanism is fixedly mounted in the middle cavity of said frame, links to each other with the said PWR PLT of the top that is fixedly mounted on said frame; And the power that said PWR PLT provide sent to the one group of wheel that links to each other with self.
Above-mentioned microalgae harvesting of the present invention system, said microalgae harvesting machine also comprises:
Guiding parts is installed on the outer wall of said frame front or back, is used to guarantee that said microalgae harvesting machine is along the orbiting that is provided with on the said micro algae culturing device.
In the above-mentioned microalgae harvesting of the present invention system, the shape of said harvesting tool and size are confirmed by the suspended state of said micro algae culturing device shape of cross section and little algae; Specifically comprise:
If little algae suspends and is distributed in the algae liquid, then the size of said harvesting tool is equal to or slightly less than the size of micro algae culturing device xsect, and shape is identical with said xsect;
If little algae floats on algae liquid surface or is sunken to the bottom of algae liquid, then the size of said harvesting tool and shape are confirmed by the shape of cross section in little algae distributed areas height and this altitude range of said micro algae culturing device.
In the above-mentioned microalgae harvesting of the present invention system, flexible material is arranged at the harvesting tool two sides and the bottom of installing on the said microalgae harvesting machine, is used for when moving with harvesting tool the sidewall and the bottom surface of cleaning micro algae culturing device.
In the above-mentioned microalgae harvesting of the present invention system, the span of the mesh aperture size of the filtering net of installing on the said microalgae harvesting machine is 1 μ m~1000 μ m, specifically chooses the filtering net with different mesh apertures according to kind of little algae and/or the size of little algae.
Above-mentioned microalgae harvesting of the present invention system, said microalgae harvesting vehicle comprises: results pump, vehicle-mounted small-sized settling bowl and common car body;
Said results pump is used for the little algae enrichment algae liquid in the said micro algae culturing device selection area is extracted out;
Said vehicle-mounted small-sized settling bowl is used to deposit little algae enrichment algae liquid that said results pump is released;
Said common car body as the carrier of said results pump and vehicle-mounted small-sized settling bowl, moves said results pump and vehicle-mounted small-sized settling bowl between a plurality of said micro algae culturing devices.
Above-mentioned microalgae harvesting of the present invention system also comprises:
The filter dehydration system is used for little algae enrichment algae liquid that said microalgae harvesting vehicle is transported is filtered and processed the algal biscuit after obtaining dewatering.
A kind of microalgae harvesting method comprises:
The microalgae harvesting machine is along being contained with the orbiting that is provided with on the micro algae culturing device of little algae algae liquid, and the harvesting apparatus through install its below filters little algae of collecting in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device; And
Microalgae harvesting vehicle is collected the little algae enrichment algae liquid in the selection area in the said micro algae culturing device;
Said microalgae harvesting machine comprises: frame, drive unit, harvesting apparatus and at least one group of wheel;
Said drive unit is installed on the said frame, and being used for provides power to the one group of wheel that links to each other with self;
Said harvesting apparatus is fixedly mounted on the below of said frame, is used for filtering little algae of collecting algae liquid, in the selection area of little algae enrichment in the micro algae culturing device;
Said wheel is fixedly mounted on the below of said frame; Wherein, have at least one group of wheel to link to each other, under the power that said drive unit provides drives, rotate with said drive unit; Rotation through said wheel drives said harvesting apparatus and moves along the track that is provided with on the said micro algae culturing device, realizes in the selection area of the little algae enrichment in the algae liquid in the said micro algae culturing device.
According to above-mentioned microalgae harvesting method of the present invention, said harvesting apparatus comprises harvesting tool and filtering net, and said harvesting tool is fixedly mounted on the below of said frame; Said filtering net is installed on the said harvesting tool, is used for when moving with said harvesting tool; Filter the little algae in the algae liquid; In the selection area of little algae enrichment in the said micro algae culturing device, the shape of said harvesting tool and size are confirmed by the suspended state of said micro algae culturing device shape of cross section and little algae; Specifically comprise:
If little algae suspends and is distributed in the algae liquid, then the size of said harvesting tool is equal to or slightly less than the size of micro algae culturing device xsect, and shape is identical with said xsect;
If little algae floats on algae liquid surface or is sunken to the bottom of algae liquid, then the size of said harvesting tool and shape are confirmed by the shape of cross section in little algae distributed areas height and this altitude range of said micro algae culturing device.
Above-mentioned microalgae harvesting method of the present invention also comprises:
Be provided with on the said microalgae harvesting machine and guarantee its guiding parts along the orbiting that is provided with on the said micro algae culturing device.
According to above-mentioned microalgae harvesting method of the present invention; Said harvesting apparatus comprises harvesting tool and filtering net, and said harvesting tool is fixedly mounted on the below of said frame, said filtering net; Be installed on the said harvesting tool; Be used for when moving, filter the little algae in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device with said harvesting tool; Said harvesting tool two sides and bottom are installed with flexible material, when moving with harvesting tool, and the sidewall and the bottom surface of cleaning micro algae culturing device.
Above-mentioned microalgae harvesting method of the present invention; Choose filtering net according to kind of little algae and/or the size of little algae with different mesh apertures; Wherein filtering net is fixedly mounted on the harvesting tool in the said harvesting apparatus that said microalgae harvesting machine comprises; Be used for when moving, filter the little algae in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device with said harvesting tool;
The span of the mesh aperture size of said filtering net is 1 μ m~1000 μ m.
According to above-mentioned microalgae harvesting method of the present invention, said microalgae harvesting vehicle is collected the little algae enrichment algae liquid in the selection area in the said micro algae culturing device, specifically comprises:
The results pump of installing on the said microalgae harvesting vehicle is extracted the little algae enrichment algae liquid in the selection area in the said micro algae culturing device out, deposits in the vehicle-mounted small-sized settling bowl of installing to the said microalgae harvesting vehicle.
According to above-mentioned microalgae harvesting method of the present invention, when said micro algae culturing device has when a plurality of, said microalgae harvesting vehicle moves between a plurality of said micro algae culturing devices, collects the little algae enrichment algae liquid in the selection area in each micro algae culturing device.
Above-mentioned microalgae harvesting method of the present invention also comprises:
Little algae enrichment algae liquid that the filter dehydration system transports said microalgae harvesting vehicle filters and processed the algal biscuit after obtaining dewatering.
The microalgae harvesting method that the embodiment of the invention provides, system and microalgae harvesting machine.The microalgae harvesting machine is along being contained with the orbiting that is provided with on the micro algae culturing device of little algae algae liquid, and the harvesting apparatus through install its below filters little algae of collecting in the algae liquid, in the selection area of little algae enrichment in the micro algae culturing device; And microalgae harvesting vehicle is collected the little algae enrichment algae liquid in the selection area in the micro algae culturing device.Above-mentioned microalgae harvesting method can make little algae be enriched in the little zone and collect, and improves this concentration of little algae in algae liquid in zone among a small circle, thus the amount of the algae liquid that need pump when having reduced to collect algae liquid; This method only needs collection to be enriched in the little algae enrichment algae liquid in the selection area in the microalgae harvesting device when the little algae of results, and the algae liquid that need not to circulate has reduced working strength, has reduced energy expenditure, has improved working efficiency.Both can realize staying the algae kind again through the use filtering net with in little algae enrichment to little zone, on one side continuation cultivation breeding.The design of microalgae harvesting vehicle has realized the collection of a group equipment to the little algae enrichment in many places algae liquid, through the mobility of microalgae harvesting vehicle, improves usage ratio of equipment, reduces the disposable input of fixed cost.
Description of drawings
Fig. 1 is the structural representation of microalgae harvesting system in the embodiment of the invention;
Fig. 2 is the structural representation of microalgae harvesting machine and micro algae culturing device in the embodiment of the invention
Fig. 3 is a kind of concrete structure synoptic diagram of microalgae harvesting machine in the embodiment of the invention;
Fig. 4 is the postrotational partial enlarged drawing of Fig. 2 in the embodiment of the invention;
Fig. 5 is the structural representation that worm and gear is installed in the embodiment of the invention;
Fig. 6 is the schema of microalgae harvesting method in the embodiment of the invention.
Embodiment
If ability timely collecting in the process of growth of little algae; The density that can eliminate to a certain extent on the one hand in the micro-algae propagation process suppresses; Keep high-density culture, can alleviate the relaxation phenomenon of light on the other hand, and in good time gathering continuously also helps industriallization to successional requirement.
The microalgae harvesting method that the embodiment of the invention provides, system and microalgae harvesting machine; Pump algae liquid to existing in the prior art, the circulation of a large amount of algae liquid is extracted out and is filtered and causes the big problem that consumes energy, in conjunction with the characteristics of micro algae culturing device; Design matching used with it microalgae harvesting machine; Through using the microalgae harvesting machine, little algae is concentrated in the little zone, concentrate again and filter collection.Reduce the algae liquid that is drawn out of with circulating filtration, thereby reduce energy consumption, reduce cost.
The microalgae harvesting system that the embodiment of the invention provides, as shown in Figure 1, comprising: micro algae culturing device 10, microalgae harvesting machine 20 and microalgae harvesting vehicle 30.Micro algae culturing device 10 is as shown in Figure 2 with microalgae harvesting machine 20 structures, and wherein, microalgae harvesting machine 20 uses in micro algae culturing device 10.
Micro algae culturing device 10 is used to hold the algae liquid that contains little algae, and its upper surface, bottom or other positions are provided with track, and be special, can be parallel orbit.Microalgae harvesting machine 20 can be along the orbiting that is provided with.Micro algae culturing device 10 can be used as the culture vessel of little algae, is used for the cultivation of little algae.Micro algae culturing device 10 can comprise the various devices that are used for little algae cultivation such as photoreactor, breed pond.
Microalgae harvesting machine 20 is used for moving along the parallel orbit of micro algae culturing device 10 upper surfaces, and the harvesting apparatus through its below is provided with filters little algae of collecting in the algae liquid, in the selection area of little algae enrichment in the micro algae culturing device 10.Wherein, selection area can be an end of micro algae culturing device 10, also can be any a bit of zones of micro algae culturing device 10 intermediary.
Special, can be according to the different sizes of width design of micro algae culturing device, the microalgae harvesting machine 20 of width, and according to the size of micro algae culturing device xsect, shape is selected different harvesting tools and filtering net for use.
Microalgae harvesting machine 20; Can in micro algae culturing device 10, move (when selected zone is an end along the track that is provided with on the micro algae culturing device 10; Then be slowly to move to apart from the other end setpoint distance from micro algae culturing device 10 1 ends), thus realize in the selection area of algae liquid enrichment in the micro algae culturing device 10.Special also can arrive in a bit of zone of micro algae culturing device 10 intermediary in enrichment.Promptly obtain to collect again behind little algae algae liquid of high density.
Microalgae harvesting vehicle 30 is used for collecting the little algae enrichment algae liquid in micro algae culturing device 10 selection areas.
Above-mentioned microalgae harvesting system, also comprise: filter dehydration system 40 is used for little algae enrichment algae liquid that microalgae harvesting vehicle 30 is transported is filtered and processed the algal biscuit after obtaining dewatering.
Filter dehydration system 40 mainly comprises belt vacuum filter, some equipment such as algal biscuit retrieving arrangement.Belt vacuum filter is market purchasing, can realize the serialization solid-liquid separation of little algae and liquid.The algal biscuit retrieving arrangement is mainly used in the collection algal biscuit, obtains other little algae material.Being applicable to the belt vacuum filter of microalgae harvesting, is to obtain after being applicable to the filtering micron order filter cloth of little algae installing additional on the basis of common belt vacuum filter; And improve on the original basis, increase vibrations, washing function, effectively prevent little algae obstruction filter cloth.
Filter dehydration system 40 is the places that produce little algal biomass.Little algae enrichment algae liquid of collecting in the microalgae harvesting vehicle is transported to little algae filter dehydration system; Little algae enrichment algae liquid is evenly distributed in the filtering system surface of belt vacuum filter; Rotate crawler belt through motor; Little algae enrichment algae liquid moves with crawler belt and carries out filtering and concentrating, and the algal biscuit after concentrating is scraped to the algal biscuit retrieving arrangement by scraper plate, carries out little algae Products Development again.
Above-mentioned microalgae harvesting machine 20 can comprise: frame, drive unit, harvesting apparatus and at least one group of wheel.Wherein:
Drive unit is installed on the frame, and being used for provides power to the one group of wheel that links to each other with self.
Preferable, drive unit further can comprise: PWR PLT and transmission mechanism; Transmission mechanism is fixedly mounted in the middle cavity of frame, links to each other with the PWR PLT of the top that is fixedly mounted on frame; And the power that PWR PLT provide sent to the one group of wheel that links to each other with self.
Special, drive unit also can only comprise PWR PLT, and dynamic device directly is connected with one group of wheel, and directly drive wheels is rotated.
Harvesting apparatus is fixedly mounted on the below of frame, is used for filtering little algae of collecting algae liquid, in the selection area of little algae enrichment in the micro algae culturing device.
Preferable, harvesting apparatus further can comprise: harvesting tool and filtering net.
Harvesting tool is fixedly mounted on the below of frame.Wherein, the shape of harvesting tool and size are confirmed by the suspended state of micro algae culturing device 10 shape of cross sections and little algae; Specifically comprise:
If little algae suspends and is distributed in the algae liquid, then the size of harvesting tool is equal to or slightly less than the size of micro algae culturing device 10 xsects, and shape is identical with said xsect; When harvesting tool moves in micro algae culturing device, cooperate with the sidewall and the bottom surface of micro algae culturing device 10.
If little algae floats on algae liquid surface or is sunken to the bottom of algae liquid, then the size of harvesting tool and shape are confirmed by the shape of cross section in little algae distributed areas height and this altitude range of said micro algae culturing device.When harvesting tool moves in micro algae culturing device, cooperate with the sidewall of micro algae culturing device 10, or cooperate with sidewall and bottom surface.
Filtering net is installed on the harvesting tool, is used for when moving with harvesting tool, filters the little algae in the algae liquid, in the selection area of little algae enrichment in the micro algae culturing device.
Wheel is fixedly mounted on the below of frame; Wherein, have at least one group of wheel to link to each other, under the power that drive unit provides drives, rotate with drive unit; Rotation through wheel drives harvesting apparatus and moves along the track that is provided with on the micro algae culturing device, realizes in the selection area of the little algae enrichment in the algae liquid in the micro algae culturing device.
Be illustrated in figure 3 as a kind of concrete structure of microalgae harvesting machine, comprise: frame 21, PWR PLT 22, transmission mechanism 23, harvesting tool 24, filtering net 25 and two groups of wheels (26,27).Wherein, Fig. 4 is the part rotation enlarged view of Fig. 3 upper part.Wherein PWR PLT 22 are formed drive units jointly with transmission mechanism 23; Harvesting tool 24 and the filtering net 25 common harvesting apparatus of forming.
PWR PLT 22 are fixedly mounted on the top of frame 21, link to each other with transmission mechanism 23.The mobile power resources that provide for the microalgae harvesting machine.For example PWR PLT can make reducing motor etc.
Transmission mechanism 23 is fixedly mounted in the middle cavity of frame 21, links to each other respectively with one group of wheel 26 with PWR PLT 22; Be used for sending the power that PWR PLT 22 provide to the above-mentioned one group of wheel 26 that links to each other with self.Machine transmission mechanism 23 can be realized energy transformation, the energy output of PWR PLT is converted into the kinetic energy of harvesting tool.
Preferable, transmission mechanism 23 comprises: two belt wheels (231,232) and belt 233.
Two belt wheels (231,232) are installed in the middle cavity of frame 21, and wherein, a belt wheel 231 is connected with PWR PLT 22, another belt wheel 232 and 26 coaxial connections of one group of wheel.
Belt 233 and two belt wheels (231,232) are formed belt gear, drive wheel and rotate.
Preferable, as shown in Figure 5, transmission mechanism 23 further can also comprise: worm gear 234 and worm screw 235.
Worm gear 234 and worm screw 235 are installed in the middle cavity of frame 21; Worm screw 235 is connected with PWR PLT 22, and worm gear 234 is connected with belt wheel 231 again, realizes the transmission of power.Transmit power through worm and gear, can increase moment, further reduce energy consumption.
Need to prove: transmission mechanism 23 can adopt various mechanical transmission mechanisms commonly used, for example, and belt transmission, geartransmission, worm and gear transmission and combination thereof etc.Fig. 3 and Fig. 4 are most preferred embodiment of the present invention, wherein adopt the combination of worm and gear and belt transmission two-stage.Therefore, be appreciated that and only adopt belt transmission also to be fine.
Harvesting tool 24 is fixedly mounted on the below of frame 21, is positioned at the centre of two groups of wheels (26,27); When in micro algae culturing device 10, moving; Concrete shape, size according to the harvesting tool of choosing 24; With little gap is arranged between sidewall and the bottom surface or contact and friction is arranged when mobile, or only with between the sidewall have little gap perhaps to contact and friction arranged when mobile.Filtering net 25 is installed on the harvesting tool 24, and filtering net 25 is the reticulated structure material, and different according to the algae kind of collecting, mesh differs in size.
Harvesting tool 24 can be different according to the shape of micro algae culturing device 10, design or select for use various structure, are that example describes with the rectangle frame just among Fig. 2 and 3.Flexible material is arranged at harvesting tool 24 two sides and bottom, is fixedly connected with harvesting tool 24, is used for when moving with harvesting tool 24 sidewall and the bottom surface of cleaning micro algae culturing device 10.
Choose filtering net according to kind of little algae and/or the size of little algae with different mesh apertures.For example: the optional scope of the mesh aperture size of filtering net 25 comprises 1 μ m~1000 μ m.Preferable, filtering net 25 can adopt from washing frame type filtering net; Simultaneously, when selecting filtering net for use, can consider that not the little algae in will algae liquid is collected fully, can allow residual about 1/3,, be beneficial to the continuity that little algae is cultivated as the algae kind that little algae is cultivated again.
Two groups of wheels (26,27) are fixedly mounted on the rear and front end of the below of frame 21 respectively.Wherein, one group of wheel 26 links to each other with transmission mechanism 23, under the power that transmission mechanism 23 transmits drives, rotates.Another group wheel is a driven wheel, rotates with the rotation of adhesion wheel.Rotation through two groups of wheels (26,27) drive harvesting tool 24 and on filtering net 25 move, in the selection area of the little algae enrichment in the algae liquid in the micro algae culturing device 10.
Special; Above-mentioned microalgae harvesting machine; Also comprise: guiding parts 28, be installed on frame 21 outer walls in (like one group of wheel 26 or 27 among the figure) outside of front or back, be used to guarantee the go up track translational motion that be provided with of microalgae harvesting machine 20 along micro algae culturing device 10.Wherein, the effective width of guiding parts equals the distance between 10 liang of inner side-walls of micro algae culturing device.
Microalgae harvesting vehicle 30 is mainly born transportation, the sedimentation work of little algae enrichment algae liquid, forms through common car body transformation, comprising: results pump, vehicle-mounted small-sized settling bowl and common car body.
The results pump is used for the little algae enrichment algae liquid in the selection area of micro algae culturing device 10 is extracted out.This results pump can be bought from market, is fixed on the car body, can move with car body, with enrichment algae liquid pump to vehicle-mounted settling bowl
Vehicle-mounted small-sized settling bowl is used to deposit little algae enrichment algae liquid that the results pump is released; Vehicle-mounted small-sized settling bowl is that common settling bowl converts, and is fixed on the car body, and the little algae liquid of enrichment is stored and sedimentation temporarily, can realize preliminary solid-liquid separation before being transported to the following process workshop, further saves energy consumption.
Common car body is as the carrier of results pump and vehicle-mounted small-sized settling bowl.Little algae enrichment algae liquid of collecting is transported to dewatering system to be gone out to filter and processed;
Special; Micro algae culturing device 10 can be arranged many covers with microalgae harvesting machine 20; Microalgae harvesting vehicle 30 is gone between a plurality of micro algae culturing devices 10; Through microalgae harvesting vehicle 30 results pump and vehicle-mounted small-sized settling bowl can be moved between a plurality of micro algae culturing devices 10, realize the collection of the little algae enrichment algae liquid in a plurality of micro algae culturing devices 10.
Through the above-mentioned microalgae harvesting system that the embodiment of the invention provides, the method flow that carries out microalgae harvesting is as shown in Figure 6, and performing step is following:
S101: the microalgae harvesting machine is just in the selection area of the little algae enrichment in the algae liquid in the micro algae culturing device.Be specially:
The microalgae harvesting machine is along being contained with the orbiting that is provided with on the micro algae culturing device of little algae algae liquid, and the harvesting apparatus through install microalgae harvesting machine below filters little algae of collecting in the algae liquid, in the selection area of little algae enrichment in the micro algae culturing device.
For example; The microalgae harvesting machine moves (moving process, can allow to-and-fro movement, to-and-fro movement can prevent better that the mesh of filtering net from stopping up) from an end of micro algae culturing device to the other end, can rest on then apart from about the other end 1m or the place of other setpoint distances; To realize little algae enrichment; Algae liquid concentration after the enrichment significantly improves, and reduces about 90% or the workload of preset proportion when making next step collect little algae liquid, pumps algae fluid power consumption thereby reduce greatly.Special, can use baffle plate two portions algae liquid that concentration is different to separate, the shape of baffle plate is selected different shapes for use according to the cross-sectional shape difference of micro algae culturing device.For example the micro algae culturing device of the square-section among Fig. 2 is then selected the rectangle baffle plate for use.
When harvesting tool moves in micro algae culturing device; Concrete shape, size according to the harvesting tool of choosing; With the little running fit of micro algae culturing device sidewall and bottom surface or closely cooperate and friction is arranged when mobile, or only with between the sidewall little gap is arranged or contact and friction arranged when mobile.Special, be installed with flexible material in harvesting tool two sides and bottom, itself and micro algae culturing device sidewall and bottom surface can be closely cooperated, when moving with harvesting tool, the sidewall and the bottom surface of cleaning micro algae culturing device.
Can choose filtering net according to kind of little algae and/or the size of little algae with different mesh apertures; For example: the mesh aperture size of the filtering net that can choose is not waited to 1000 μ m by 1 μ m.
On the microalgae harvesting machine guiding parts is set, to guarantee that the microalgae harvesting machine can be along the orbiting that is provided with on the micro algae culturing device.
S102: microalgae harvesting vehicle is collected the little algae enrichment algae liquid in the selection area in the micro algae culturing device.Specifically comprise:
The results pump of installing on the microalgae harvesting vehicle is extracted the little algae enrichment algae liquid in the selection area in the micro algae culturing device out, deposits in the vehicle-mounted small-sized settling bowl of installing to the microalgae harvesting vehicle.
Special, when micro algae culturing device has when a plurality of, microalgae harvesting vehicle moves between a plurality of said micro algae culturing devices, collects the little algae enrichment algae liquid in the selection area in each micro algae culturing device.
Above-mentioned microalgae harvesting method also comprises:
S103: little algae enrichment algae liquid that microalgae harvesting vehicle will be collected transports to the filter dehydration system.
S104: the algal biscuit after obtaining dewatering filters and processed to the little algae enrichment algae liquid that transports in the filter dehydration system.
The above-mentioned microalgae harvesting method that the embodiment of the invention provides, system and microalgae harvesting machine can be realized robotization, little algae collection cheaply.The microalgae harvesting machine is along being contained with the orbiting that is provided with on the micro algae culturing device of little algae algae liquid; Harvesting apparatus through its below installation; Filter to collect the little algae in the algae liquid, in the selection area of little algae enrichment in the micro algae culturing device, collect through microalgae harvesting vehicle.Above-mentioned microalgae harvesting method can make little algae be enriched in the little zone and collect; Improve the concentration of little algae in this regional among a small circle interior algae liquid greatly; Thereby the amount of the algae liquid that need pump when having reduced to collect algae liquid has avoided the circulation of a large amount of algae liquid to pump and filter collection, has reduced working strength; Reduce energy expenditure, improved harvesting work efficient and speed.Efficiently solve the little algae of big area when cultivating, be subject to pump performance, need a large amount of high-power pumps, could satisfy the difficult problem that the little algae of industriallization produces.
Above-mentioned microalgae harvesting method and system; Can realize full automatic microalgae harvesting operation; The microalgae harvesting machine can move along the wall of micro algae culturing device under the driving of PWR PLT automatically, need not manual work and applies power, has further improved the efficient and the speed of microalgae harvesting; And its microalgae harvesting machine translational speed is slow, and it is also very little to consume energy.
The microalgae harvesting machine is provided with harvesting tool; Through selecting for use with big or small close, the harvesting tool that shape is identical of micro algae culturing device xsect and using filtering net; Both can realize staying the algae kind again with in little algae enrichment to little zone, breeding is cultivated in the continuation that is beneficial to little algae.And,, effectively avoided the mesh obstruction through the flushing certainly of to-and-fro movement realization filtering net through selecting for use from washing frame type filtering net.And can select the filtering net mesh of different sizes for use for different algae kinds,, also can realize in batches, optionally gather in the crops little algae in same micro algae culturing device even when multiple little algae is arranged.
The design of microalgae harvesting vehicle has realized the collection of a group equipment to the little algae enrichment in many places algae liquid, through the mobility of microalgae harvesting vehicle, improves usage ratio of equipment, reduces the disposable input of fixed cost.
Compare the filtration of introducing in the technical background, the method for spinning can save energy about 85%, greatly reduces production cost; Compare harvesting methods such as flocculation, air supporting, this method need not to introduce extra chemical substance, can not threaten algae grows; Compare the flocculation of electric field method, this method has generally suitable and operability, to different little algaes, only needs the model of change filtering net, and adjustment filtering net aperture size can realize the collection to little algae of various kinds.
The above; Be merely the preferable embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field variation that can expect easily, replaces or is applied to other similar devices in the technical scope that the present invention discloses, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.

Claims (26)

1. a microalgae harvesting machine is characterized in that, comprising: frame, drive unit, harvesting apparatus and at least one group of wheel;
Said drive unit is installed on the said frame, and being used for provides power to the one group of wheel that links to each other with self;
Said harvesting apparatus is fixedly mounted on the below of said frame, is used for filtering little algae of collecting algae liquid, in the selection area of little algae enrichment in the micro algae culturing device;
Said wheel is fixedly mounted on the below of said frame; Wherein, have at least one group of wheel to link to each other, under the power that said drive unit provides drives, rotate with said drive unit; Rotation through said wheel drives said harvesting apparatus and moves along the track that is provided with on the said micro algae culturing device, realizes in the selection area of the little algae enrichment in the algae liquid in the said micro algae culturing device.
2. microalgae harvesting machine as claimed in claim 1 is characterized in that, said harvesting apparatus comprises: harvesting tool and filtering net;
Said harvesting tool is fixedly mounted on the below of said frame;
Said filtering net is installed on the said harvesting tool, is used for when moving with said harvesting tool, filters the little algae in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device.
3. microalgae harvesting machine as claimed in claim 2 is characterized in that, said drive unit comprises: PWR PLT and transmission mechanism;
Said transmission mechanism is fixedly mounted in the middle cavity of said frame, links to each other with the said PWR PLT of the top that is fixedly mounted on said frame; And the power that said PWR PLT provide sent to the one group of wheel that links to each other with self.
4. microalgae harvesting machine as claimed in claim 3 is characterized in that, said transmission mechanism comprises: belt and two belt wheels;
Said two belt wheels are installed in the middle cavity of said frame, and wherein, a belt wheel is connected with said PWR PLT, another belt wheel and one group of coaxial connection of wheel;
Said belt and said two belt wheels are formed belt gear, drive said wheel and rotate.
5. microalgae harvesting machine as claimed in claim 4 is characterized in that, said transmission mechanism also comprises: worm gear and worm screw;
Said worm gear and worm screw are installed in the middle cavity of frame; Said worm screw is connected with said PWR PLT, and said worm gear is connected with a said belt wheel again, realizes the transmission of power.
6. like the arbitrary described microalgae harvesting machine of claim 2-5, it is characterized in that the shape of said harvesting tool and size are confirmed by the suspended state of said micro algae culturing device shape of cross section and little algae; Specifically comprise:
If little algae suspends and is distributed in the algae liquid, then the size of said harvesting tool is equal to or slightly less than the size of micro algae culturing device xsect, and shape is identical with said xsect;
If little algae floats on algae liquid surface or is sunken to the bottom of algae liquid, then the size of said harvesting tool and shape are confirmed by the shape of cross section in little algae distributed areas height and this altitude range of said micro algae culturing device.
7. microalgae harvesting machine as claimed in claim 6 is characterized in that flexible material is arranged at said harvesting tool two sides and bottom, is used for when moving with harvesting tool the sidewall and the bottom surface of cleaning micro algae culturing device.
8. microalgae harvesting machine as claimed in claim 7 is characterized in that, the span of the mesh aperture size of said filtering net is 1 μ m~1000 μ m, specifically chooses the filtering net with different mesh apertures according to kind of little algae and/or the size of little algae.
9. like the arbitrary described microalgae harvesting machine of claim 1-5, it is characterized in that, also comprise:
Guiding parts is installed on the outer wall of said frame front or back, is used to guarantee that said microalgae harvesting machine is along the orbiting that is provided with on the said micro algae culturing device.
10. a microalgae harvesting system is characterized in that, comprising: micro algae culturing device, microalgae harvesting machine and microalgae harvesting vehicle;
Said micro algae culturing device is used to hold the algae liquid that contains little algae, and it is provided with track;
Said microalgae harvesting machine is used for the orbiting that is provided with on the said micro algae culturing device, and the harvesting apparatus through its below is provided with filters little algae of collecting in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device;
Said microalgae harvesting vehicle is used for collecting the little algae enrichment algae liquid in the said micro algae culturing device selection area;
Said microalgae harvesting machine comprises: frame, drive unit, harvesting apparatus and at least one group of wheel;
Said drive unit is installed on the said frame, and being used for provides power to the one group of wheel that links to each other with self;
Said harvesting apparatus is fixedly mounted on the below of said frame, is used for filtering little algae of collecting algae liquid, in the selection area of little algae enrichment in the micro algae culturing device;
Said wheel is fixedly mounted on the below of said frame; Wherein, have at least one group of wheel to link to each other, under the power that said drive unit provides drives, rotate with said drive unit; Rotation through said wheel drives said harvesting apparatus and moves along the track that is provided with on the said micro algae culturing device, realizes in the selection area of the little algae enrichment in the algae liquid in the said micro algae culturing device.
11. microalgae harvesting as claimed in claim 10 system is characterized in that the said harvesting apparatus that comprises in the said microalgae harvesting machine comprises: harvesting tool and filtering net;
Said harvesting tool is fixedly mounted on the below of said frame;
Said filtering net is installed on the said harvesting tool, is used for when moving with said harvesting tool, filters the little algae in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device.
12. microalgae harvesting as claimed in claim 11 system is characterized in that the said drive unit that comprises in the said microalgae harvesting machine comprises: PWR PLT and transmission mechanism;
Said transmission mechanism is fixedly mounted in the middle cavity of said frame, links to each other with the said PWR PLT of the top that is fixedly mounted on said frame; And the power that said PWR PLT provide sent to the one group of wheel that links to each other with self.
13. system as claimed in claim 12 is characterized in that, said microalgae harvesting machine also comprises:
Guiding parts is installed on the outer wall of said frame front or back, is used to guarantee that said microalgae harvesting machine is along the orbiting that is provided with on the said micro algae culturing device.
14. system as claimed in claim 11 is characterized in that, the shape of said harvesting tool and size are confirmed by the suspended state of said micro algae culturing device shape of cross section and little algae; Specifically comprise:
If little algae suspends and is distributed in the algae liquid, then the size of said harvesting tool is equal to or slightly less than the size of micro algae culturing device xsect, and shape is identical with said xsect;
If little algae floats on algae liquid surface or is sunken to the bottom of algae liquid, then the size of said harvesting tool and shape are confirmed by the shape of cross section in little algae distributed areas height and this altitude range of said micro algae culturing device.
15. system as claimed in claim 14 is characterized in that, flexible material is arranged at the harvesting tool two sides and the bottom of installing on the said microalgae harvesting machine, is used for when moving with harvesting tool the sidewall and the bottom surface of cleaning micro algae culturing device.
16. microalgae harvesting as claimed in claim 11 system; It is characterized in that; The span of the mesh aperture size of the filtering net of installing on the said microalgae harvesting machine is 1 μ m~1000 μ m, specifically chooses the filtering net with different mesh apertures according to kind of little algae and/or the size of little algae.
17. like the arbitrary described microalgae harvesting of claim 10-16 system, it is characterized in that said microalgae harvesting vehicle comprises: results pump, vehicle-mounted small-sized settling bowl and common car body;
Said results pump is used for the little algae enrichment algae liquid in the said micro algae culturing device selection area is extracted out;
Said vehicle-mounted small-sized settling bowl is used to deposit little algae enrichment algae liquid that said results pump is released;
Said common car body as the carrier of said results pump and vehicle-mounted small-sized settling bowl, moves said results pump and vehicle-mounted small-sized settling bowl between a plurality of said micro algae culturing devices.
18. microalgae harvesting as claimed in claim 17 system is characterized in that, also comprises:
The filter dehydration system is used for little algae enrichment algae liquid that said microalgae harvesting vehicle is transported is filtered and processed the algal biscuit after obtaining dewatering.
19. a microalgae harvesting method is characterized in that, comprising:
The microalgae harvesting machine is along being contained with the orbiting that is provided with on the micro algae culturing device of little algae algae liquid, and the harvesting apparatus through install its below filters little algae of collecting in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device; And
Microalgae harvesting vehicle is collected the little algae enrichment algae liquid in the selection area in the said micro algae culturing device;
Said microalgae harvesting machine comprises: frame, drive unit, harvesting apparatus and at least one group of wheel;
Said drive unit is installed on the said frame, and being used for provides power to the one group of wheel that links to each other with self;
Said harvesting apparatus is fixedly mounted on the below of said frame, is used for filtering little algae of collecting algae liquid, in the selection area of little algae enrichment in the micro algae culturing device;
Said wheel is fixedly mounted on the below of said frame; Wherein, have at least one group of wheel to link to each other, under the power that said drive unit provides drives, rotate with said drive unit; Rotation through said wheel drives said harvesting apparatus and moves along the track that is provided with on the said micro algae culturing device, realizes in the selection area of the little algae enrichment in the algae liquid in the said micro algae culturing device.
20. method as claimed in claim 19 is characterized in that, said harvesting apparatus comprises harvesting tool and filtering net; Said harvesting tool is fixedly mounted on the below of said frame; Said filtering net is installed on the said harvesting tool, is used for when moving with said harvesting tool; Filter the little algae in the algae liquid; In the selection area of little algae enrichment in the said micro algae culturing device, the shape of said harvesting tool and size are confirmed by the suspended state of said micro algae culturing device shape of cross section and little algae; Specifically comprise:
If little algae suspends and is distributed in the algae liquid, then the size of said harvesting tool is equal to or slightly less than the size of micro algae culturing device xsect, and shape is identical with said xsect;
If little algae floats on algae liquid surface or is sunken to the bottom of algae liquid, then the size of said harvesting tool and shape are confirmed by the shape of cross section in little algae distributed areas height and this altitude range of said micro algae culturing device.
21. method as claimed in claim 19 is characterized in that, also comprises:
Be provided with on the said microalgae harvesting machine and guarantee its guiding parts along the orbiting that is provided with on the said micro algae culturing device.
22. method as claimed in claim 21 is characterized in that, said harvesting apparatus comprises harvesting tool and filtering net; Said harvesting tool is fixedly mounted on the below of said frame; Said filtering net is installed on the said harvesting tool, is used for when moving with said harvesting tool; Filter the little algae in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device; Said harvesting tool two sides and bottom are installed with flexible material, when moving with harvesting tool, and the sidewall and the bottom surface of cleaning micro algae culturing device.
23. method as claimed in claim 22; It is characterized in that; Choose the filtering net with different mesh apertures according to kind of little algae and/or the size of little algae, wherein filtering net is fixedly mounted on the harvesting tool in the said harvesting apparatus that said microalgae harvesting machine comprises, is used for when moving with said harvesting tool; Filter the little algae in the algae liquid, in the selection area of little algae enrichment in the said micro algae culturing device;
The span of the mesh aperture size of said filtering net is 1 μ m~1000 μ m.
24. method as claimed in claim 19 is characterized in that, said microalgae harvesting vehicle is collected the little algae enrichment algae liquid in the selection area in the said micro algae culturing device, specifically comprises:
The results pump of installing on the said microalgae harvesting vehicle is extracted the little algae enrichment algae liquid in the selection area in the said micro algae culturing device out, deposits in the vehicle-mounted small-sized settling bowl of installing to the said microalgae harvesting vehicle.
25. method as claimed in claim 24 is characterized in that, when said micro algae culturing device has when a plurality of, said microalgae harvesting vehicle moves between a plurality of said micro algae culturing devices, collects the little algae enrichment algae liquid in the selection area in each micro algae culturing device.
26. like the arbitrary described method of claim 19-25, it is characterized in that, also comprise:
Little algae enrichment algae liquid that the filter dehydration system transports said microalgae harvesting vehicle filters and processed the algal biscuit after obtaining dewatering.
CN2009101375263A 2009-04-28 2009-04-28 Method and system for harvesting microalgae and microalgae harvester Active CN101597564B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101375263A CN101597564B (en) 2009-04-28 2009-04-28 Method and system for harvesting microalgae and microalgae harvester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101375263A CN101597564B (en) 2009-04-28 2009-04-28 Method and system for harvesting microalgae and microalgae harvester

Publications (2)

Publication Number Publication Date
CN101597564A CN101597564A (en) 2009-12-09
CN101597564B true CN101597564B (en) 2012-02-22

Family

ID=41419163

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009101375263A Active CN101597564B (en) 2009-04-28 2009-04-28 Method and system for harvesting microalgae and microalgae harvester

Country Status (1)

Country Link
CN (1) CN101597564B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101735948B (en) * 2010-01-11 2012-07-04 新奥科技发展有限公司 Method and device for cultivating microalgae
CN102234613B (en) * 2010-04-20 2013-03-27 中国科学院过程工程研究所 Electric flocculation device for industrialized microalgae separation and collection
CN102373149B (en) * 2010-08-24 2014-12-24 新奥科技发展有限公司 Photobioreactor, its preparation method, photo-biological culture system and method
CN103409321A (en) * 2013-07-26 2013-11-27 清华大学 Microalgae suspension-adhesion mixed culture and separated harvesting method based on suspended carrier
CN103820318B (en) * 2014-03-04 2015-11-25 新奥科技发展有限公司 Photo bio cultivation apparatus
CN103820319B (en) * 2014-03-04 2015-11-25 新奥科技发展有限公司 Photo bio culture apparatus
CN103937710A (en) * 2014-04-03 2014-07-23 广东美瑞科海洋生物科技有限公司 Large industrial production method of microbial biomass
CN105018329A (en) * 2014-04-15 2015-11-04 东营大振生物科技有限公司 Spirulina harvest equipment
IL232567A (en) 2014-05-12 2017-05-29 Avraham Caesar Worm harvesting apparatus
CN106367351B (en) * 2015-07-23 2021-07-09 中国石油化工股份有限公司 Microalgae collecting method and application thereof
DE102016200872A1 (en) * 2016-01-22 2017-07-27 BSH Hausgeräte GmbH Device for producing a foodstuff

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1563357A (en) * 2004-04-15 2005-01-12 孙建明 Equipmiment for collecting liquid of aquatic breeding microalgae
CN1597922A (en) * 2004-09-06 2005-03-23 昆明理工大学 Process and apparatus for enriching aquatic micro algae

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1563357A (en) * 2004-04-15 2005-01-12 孙建明 Equipmiment for collecting liquid of aquatic breeding microalgae
CN1597922A (en) * 2004-09-06 2005-03-23 昆明理工大学 Process and apparatus for enriching aquatic micro algae

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Lee Yuan-Kun.microalgal mass culture systems and methods:their limitation and potential.《Journal of Applied Phycology》.2001,第13卷307-315. *
曹健等.微藻的研究进展.《广州食品工业科技》.1996,第12卷(第4期),5-8,23. *

Also Published As

Publication number Publication date
CN101597564A (en) 2009-12-09

Similar Documents

Publication Publication Date Title
CN101597564B (en) Method and system for harvesting microalgae and microalgae harvester
CN112772538B (en) Shrimp pond rotary filtering, concentrating and pollution discharging device and method
CN105393959A (en) Totally-enclosed high density small water body automatic intelligent aquatic product culture system
CN113519438A (en) Low-energy-consumption high-efficiency in-situ air-lift type circulating water purification culture system
CN109603292B (en) A high-efficient sedimentation tank for plant waste water treatment
CN112080406A (en) Stem cell separation device
CN102696340A (en) Microalgae harvesting and dewatering method and device
CN111039458B (en) Ecological prosthetic devices in plateau lake fishery waters
CN216890484U (en) Fishery circulating water treatment system
CN210406741U (en) No physics filters collector
CN214735235U (en) Zero release resource recovery clean system is bred in batch production
CN211445123U (en) Air-float sewage treatment machine for sewage treatment
CN103966079A (en) Microalgae integration device and method
CN206728921U (en) Integrated water culture circulation system
CN108823073B (en) Harvesting device and harvesting method for microalgae cells
CN111592179A (en) Intelligent sewage purification equipment
CN217438159U (en) Microalgae culture coupling system for microalgae biomembrane and membrane raceway pond
CN212669266U (en) Novel air flotation machine equipment capable of performing solid-liquid separation treatment on sewage
CN203866302U (en) Device for collecting microbe biomass cultivated in industrialized culture pond
CN210150815U (en) Sewage circulating culture device for microalgae collection
CN220609509U (en) Wastewater treatment tank
CN217148895U (en) High salt effluent treatment plant based on microorganism
CN215836601U (en) Fish tank microfiltration system
CN212246477U (en) Sewage land treatment strengthens preprocessing device
CN218232037U (en) Circulating water filtering integrated equipment for fishpond

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant