CN103361259B - A kind of thin layer cultivation polygenerations systeme - Google Patents
A kind of thin layer cultivation polygenerations systeme Download PDFInfo
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Abstract
The present invention relates to a kind of thin layer cultivation polygenerations systeme, described polygenerations systeme comprises thin layer cultivating system and Greenhouse System; Described thin layer cultivating system comprises cultivation apparatus and the recycle system, and described cultivation apparatus comprises bottom surface and corresponding support frame; Described cultivation apparatus and the recycle system are that closed loop is connected; Described Greenhouse System is positioned at below cultivation apparatus.The present invention using thin layer cultivating system support frame as Greenhouse System main structure body, thin layer cultivating system is combined with Greenhouse System, while carrying out both culturing microalgae, carry out animals and plants cultivation, achieve the three-dimensional in soil, recycling, for the developing ecology energy, the ecological agriculture open new model.
Description
Technical field
The present invention relates to a kind of thin layer cultivation polygenerations systeme.
Background technology
Photosynthetic microorganism/vegetable cell can utilize the inorganics of sun power, water and the simple form such as mineral substance synthesis of organic substance and hydrogen, oxygen, methane.Micro-algae is a class individual small photosynthetic autotrophs/type of supporting of holding concurrently, unicellular/simple multicellular organism, has the features such as widely distributed, of a great variety, photosynthetic efficiency is high, fast growth, strong adaptability.
Mass-producing, high yielding culture are the bottlenecks restricting micro-algae industrialized development, and the exploitation of low cost, efficient cultivating system is the key that micro-algae large-scale is produced.Present stage cubic light bio-reactor still ubiquity that cost is high, the not easily problem such as amplification, current numerous enterprises still continues to continue to use traditional " raceway pond " and carries out micro-algae large-scale cultivation.Tradition raceway pond mostly is oval or circular shallow pond, in pond, to be generally 15 ~ 30cm dark for algae liquid, by cylinder shape stirring rake, Keep agitation (Borowitzka is carried out to algae liquid, 1999), thus realize circulating of whole pond algae liquid, to make frustule and each nutrition distribution in algae liquid homogeneous, and increase frustule and see light rate.But the cultured output of application raceway pond is always not ideal enough.Its major cause is: on the one hand, and in pond, the algae liquid degree of depth is large, and namely sunlight decay to zero after taking in liquid level several centimetres, and only skin layer frustule visible ray, carries out photosynthesis; On the other hand, algae hydraulic hybrid type power only provides by stirring rake, makes the mixedness of algae liquid in the vertical direction poor, and cells of superficial layer is shown in that light is superfluous, growth is suppressed, and bottom cell is shown in that light is not enough, growth is restricted.In addition, the cultivation final concentration of application raceway pond also undesirable (only about 0.5g/L, US5981271), causes the last handling process treatment capacities such as collections, dehydration greatly, and then adds the cost of final algae product.
Space between the discloseder cultivating system cultivation face of prior art and ground is not utilized, space and resource utilization low; In most cultivating system, the liquid layer degree of depth is large; And make cultivation face mainly with mechanically resistant material, not only the weight of mechanically resistant material self can have higher requirements to the intensity of supporting structure, and requires also higher to the manufacture of supporting structure and setting accuracy, engineering cost and difficulty higher.
More existing cultivating system minimum units are formed by least two cultivation faces, and it is also inessential, and because two cultivation face tilt directions in minimum unit are contrary when outdoor utility, be in the light mutually in the cultivation face in minimum unit and between adjacent cells of causing.In addition, also there is the problems such as applicability difference (utilization rate of carbon dioxide low, cannot tackle adverse weather to ensure product quality, without temperature control measure), algae liquid vertical direction undermixing, energy derive be single in some cultivating system.
Summary of the invention
Object of the present invention be first to solve in prior art exist space availability ratio low (space between cultivation face and ground is not utilized), be difficult to realize Poly-generation, the liquid layer degree of depth is large, vertical direction mixing is poor, etc. problem, a kind of thin layer cultivation polygenerations systeme is proposed.
Be in the light mutually in the cultivation face between unit and adjacent cells that to the present invention also aims to solve in prior art in the system that exists, the cultivation of mechanically resistant material in the face of the intensity of support frame and manufacturing accuracy require high, engineering cost and difficulty high, without temperature control facility, without quality assurance facility, CO
2gas supply mode efficiency is low, short mixed weak effect, the technical problems such as energy derive is single.
It is high that the present invention proposes a kind of space availability ratio, can Poly-generation, and structure is simple, with low cost, can suitable temperature control, can ensure algae quality product to a certain extent, CO
2the low cost thin layer cultivation polygenerations systeme that utilization ratio is high.
For reaching this object, the present invention by the following technical solutions:
A kind of thin layer cultivation polygenerations systeme, described polygenerations systeme comprises thin layer cultivating system and Greenhouse System; Described thin layer cultivating system comprises cultivation apparatus and the recycle system, and described cultivation apparatus comprises bottom surface and corresponding support frame; Described cultivation apparatus and the recycle system are that closed loop is connected; Described Greenhouse System is positioned at below cultivation apparatus.
Following as the preferred technical scheme of the present invention, but not as the restriction of technical scheme provided by the invention, by the following technical programs, better can reach and realize technical purpose of the present invention and beneficial effect.
Preferably, on the basis of technical scheme provided by the invention, the liquid layer degree of depth on described bottom surface is less than 10cm; The described liquid layer degree of depth is preferably less than 5cm, is preferably less than 3cm further, is more preferably less than 2cm, be more preferably less than 1cm further, most preferably 4 ~ 8mm.
Preferably, on the basis of technical scheme provided by the invention, described thin layer cultivating system includes a bottom surface.
Preferably, on the basis of technical scheme provided by the invention, above the bottom surface of described thin layer cultivating system, also epiphragma is set; Preferably, described bottom surface and epiphragma form and dismountablely close/semiclosed chamber; Preferably, epiphragma can put down through transmission mechanism or pack up; Preferably, described epiphragma is light-transmissive film, further preferred anti-infrared film or high light-transmissive film.
Preferably, on the basis of technical scheme provided by the invention, described anti-infrared film is infrared generating film.
Preferably, on the basis of technical scheme provided by the invention, described bottom surface is flexible face; Described flexible face is covered in the upper surface of support frame, is fixedly connected with support frame, forms cultivation apparatus.
Preferably, on the basis of technical scheme provided by the invention, be yield zone in the middle part of described bottom surface; In each edge, described bottom surface, at least parallel with algae liquid flow direction two edges, higher than yield zone, form overflow weir; The angle of described overflow weir and yield zone is preferably 90 degree.
Preferably, on the basis of technical scheme provided by the invention, described bottom surface is that level or tool certain slope are placed; The described gradient is preferably less than 10 degree, is preferably less than 5 degree further, is most preferably less than 2 degree.
Preferably, on the basis of technical scheme provided by the invention, above bottom surface or its, add short mixed structure.
Preferably, on the basis of technical scheme provided by the invention, what directly contact with bottom surface in described support frame is the first supporting beam, and described first supporting beam placing direction is perpendicular to the algae liquid flow direction on bottom surface.
Preferably, on the basis of technical scheme provided by the invention, in each edge of described support frame, at least parallel with algae liquid flow direction two edges are higher than other parts in supporting structure.
Preferably, on the basis of technical scheme provided by the invention, described support frame is skeletal structure, and it makes whole model by single-material, or is made up of multimode, single/multiple material splicing assembling.
Preferably, on the basis of technical scheme provided by the invention, in described support frame, add slope conditioning and tension-adjusting gear.
Preferably, on the basis of technical scheme provided by the invention, described bottom surface is provided with tonifying Qi groove; Described tonifying Qi groove is preferably placed at middle and upper part, bottom surface or middle part.
Preferably, on the basis of technical scheme provided by the invention, the described recycle system comprises conduit, lifting gear, surge tank and liquid distributor; Described conduit extends to the origin or beginning of algae liquid flow direction from the end of algae liquid flow direction bottom surface; Described liquid distributor is connected with catheter tip, is positioned at the origin or beginning of algae liquid flow direction.
Preferably, on the basis of technical scheme provided by the invention, described lifting gear is pump.
Preferably, on the basis of technical scheme provided by the invention, described surge tank or conduit are provided with temperature regulating device and collection device.
Preferably, on the basis of technical scheme provided by the invention, described lifting gear is impeller pump, submersible pump or gas-liquid mixing pump, and described surge tank is connected in series with conduit; Or described lifting gear is gas-liquid mixing pump, described surge tank and conduit also connect.
Preferably, on the basis of technical scheme provided by the invention, described Greenhouse System take bottom surface as top, is its architecture basics with support frame, is accompanied by greenhouse films material and forms greenhouse.
Preferably, on the basis of technical scheme provided by the invention, described surge tank is arranged in greenhouse.
Compared with prior art scheme, the present invention has following beneficial effect:
Technical scheme provided by the invention is using thin layer cultivating system support frame as Greenhouse System main structure body, thin layer cultivating system is combined with Greenhouse System, make use of the space below thin layer cultivating system cultivation face, while carrying out both culturing microalgae, animals and plants cultivation can be carried out in Greenhouse System, achieve the three-dimensional in soil, recycling, achieve Poly-generation, for the developing ecology energy, the ecological agriculture open new model.
In addition, in preferred technical scheme provided by the invention: bottom surface selects flexible face not only can guarantee prior art function, himself quality relative inflexibility material is general comparatively light simultaneously, thus reduces the requirement of strength to supporting.And flexible membrane requires relatively lower to support frame structure and construction precision, if along on liquid flow direction, the supporting beam height of different positions is slightly different with design height, be not then construed as limiting flexible face laying.In addition the first supporting beam is laid along the direction vertical with algae liquid flow direction, and when supporting beam construction height is slightly different with design height, algae liquid will present " waterfall stream " and be more conducive to mixing in flexible face.
The top layer frustule that the defects such as the liquid layer degree of depth in traditional cultivating system is large, vertical direction mixing difference that overcome described thin layer cultivating system cause is shown in that light is superfluous, bottom frustule is shown in the deficiencies such as light is not enough, cultivation final concentration is low, effectively improves each frustule in unit volume algae liquid and sees that light probability, light utilising efficiency are high.
Described cultivating system structure is simple, be easy to construction, can be built on the ground, half on the ground, underground, natural land, mountain region, hills etc. can be utilized as supporting structure, according to physical features construction cultivation unit, there is larger application potential and cost degradation space.
Described cultivating system includes a bottom surface, bottom surface can be put down, can bent, can be arbitrary shape, can placed horizontally also tiltable settle (general orientation is basically identical), avoid in cultivation unit and cultivate the problem that between unit, be in the light mutually in cultivation face.
There is in Greenhouse System light filling/illumination and temperature control facility, and kill two birds with one stone, algae liquid light filling, temperature control in thin-layer system can be embodied as simultaneously, be plant light compensation in Greenhouse System/animal illumination, temperature control, be beneficial to the cultivation that becomes more meticulous.
Bottom surface is established tonifying Qi groove, for frustule growth supplements nutrition (particularly carbon source), avoid the carbon source restriction in long cultivation face, high-density breeding process.In microalga cultivation process, carbon source is except directly filling into gaseous state, can also CO
2dissolved air water form fills into, CO in dissolved air water
2separate out with micro-bubble form under normal temperature, normal pressure and fully contact with algae liquid, thus improve CO
2utilising efficiency.
There are multiple temperature control facility/means (infrared epiphragma of setting up defences is lowered the temperature, or surge tank concentrates temperature control or conduit temperature control, or by spraying in greenhouse/heating thin-layer system cooling/heat up), make this system can range of application wider, be beneficial to the cultivation that becomes more meticulous.
Epiphragma structure effectively can avoid adverse weather (as strong wind, the sandstorm) impact on micro algae growth, and then improves algae product quality.
Utilize gas-liquid mixing pump to realize Liquid transfer and gas-liquid fully mixes simultaneously, improve mixing efficiency, simplified system.Bottom surface or its above add short mixed structure, be beneficial to algae liquid mixing diametrically in thin layer, to improve light utilising efficiency further.Add slope conditioning and tension-adjusting gear in support frame, the adjustment of the bottom surface gradient and surperficial Zhang Du can be realized.
Nutritive substance (gaseous state, liquid state, solid-state) fills into from optional position the recycle system and cultivation face by feeding-system.
System running kinetic energy can be provided by the device such as windmill, waterwheel, to utilize residing regional nature/renewable/discarded energy, reduces Nonrenewable energy resources consumption.
Accompanying drawing explanation
Fig. 1 is thin layer of the present invention cultivation polygenerations systeme one-piece construction schematic diagram;
Fig. 2 is thin layer of the present invention cultivation polygenerations systeme internal structure schematic diagram;
Fig. 3 is thin layer cultivation polygenerations systeme structural representation described in the embodiment of the present invention 1;
Fig. 4 is thin layer cultivation polygenerations systeme structural representation described in the embodiment of the present invention 2.
In figure: 1-bottom surface; 2-epiphragma; 3-support frame; 3-1-first supporting beam; The longitudinal bearing beam of 3-2-; 3-3-gate supports; 4-tonifying Qi groove; 5-greenhouse; The short mixed structure of 6-; 7-surge tank; 8-lifting gear; 10-conduit; 11-liquid distributor.
The present invention is described in more detail below.But following example is only simple and easy example of the present invention, and do not represent or limit the scope of the present invention, protection scope of the present invention is as the criterion with claims.
Embodiment
For better the present invention being described, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
As depicted in figs. 1 and 2, a kind of thin layer cultivation polygenerations systeme, described polygenerations systeme comprises thin layer cultivating system and Greenhouse System; Described thin layer cultivating system comprises cultivation apparatus and the recycle system, and described cultivation apparatus comprises bottom surface 1 and corresponding support frame 3; Described cultivation apparatus and the recycle system are that closed loop is connected; Described Greenhouse System is positioned at below cultivation apparatus.
Thin layer cultivating system combines with Greenhouse System by the present invention, and the underlying space that make use of thin layer cultivating system bottom surface builds Greenhouse System, and carries out animals and plants cultivation wherein, improves space availability ratio.Greenhouse System while to animals and plants illumination/light filling in greenhouse, through the algae liquid light filling flowed above to it in bottom surface.Nutritive substance is filled in whole cultivation system by the recycle system.
The liquid layer degree of depth on described bottom surface 1 is less than 10cm; The described liquid layer degree of depth is preferably less than 5cm, is preferably less than 3cm further, is more preferably less than 2cm, be more preferably less than 1cm further, most preferably 4 ~ 8mm.
Described thin layer cultivating system includes a bottom surface 1, and structure is simple, avoids and is mutually in the light in same unit.
Above the bottom surface 1 of thin layer cultivating system of the present invention, epiphragma 2 is also set.Described bottom surface 1 and epiphragma 2 form dismountable close/semiclosed chamber.Described epiphragma 2 is light-transmissive film, further preferred anti-infrared film; Described anti-infrared film is preferably infrared generating film.Anti-infrared film can effectively intercept the infrared rays causing intensification, makes to can be used for photosynthetic visible ray and enters and be radiated on cultivation face, be beneficial to and cultivate in megathermal climate region.Or described epiphragma 2 is preferably high light transmissive material, has sand-proof, insulation effect, be applicable to dust storm weather and area that sooner or later temperature difference is larger or early spring/season in late fall.Epiphragma 2 according to the requirement of concrete cultivation situation, can put down through transmission mechanism or pack up.When bottom surface 1 is transparent material, can utilize the illumination in greenhouse, cooling and heating equipment indirectly for the algae liquid of flowing on bottom surface 1 carries out light filling, cooling and insulation.
Described bottom surface 1 is flexible face; Described flexible face is covered in the upper surface of support frame 3, is fixedly connected with support frame 3, forms cultivation apparatus.Bottom surface 1 can be put down, can be bent, can be arbitrary shape (as stepped, wavy, circular, arbitrary polygon etc., being not limited thereto), its smooth surface or be provided with and urge to mix structure.A certain slope tiltably-mounted (general orientation is basically identical) placed horizontally also can be had in bottom surface 1, and preferred angled is settled.The described gradient is preferably less than 10 degree, is preferably less than 5 degree further, is most preferably less than 2 degree.
Be yield zone in the middle part of described bottom surface 1, flow for algae liquid; In each edge, described bottom surface 1, at least parallel with algae liquid flow direction two edges, higher than yield zone, form overflow weir, to maintain the thickness of algae liquid in flexible face, and can prevent flow rate control from not going out along the algae hydrorrhea of flexible face flowing at that time.The angle of the shape of bottom surface 1, the height of overflow weir, overflow weir and yield zone is determined by support frame 3.The angle of described overflow weir and yield zone is preferably 90 degree.
Described flexible face material is the material of nontoxicity, seawater corrosion resistance, preferred film or cloth-like impervious material, further preferred canopy film, building film, geomembrane, tarpaulin, tarpaulin or oilcloth; Described canopy film is selected from PVC, PE, EVA, PEP or its composite membrane.Typical but non-limiting example comprises: PVC, PEP, building film, tarpaulin, the composite membrane of EVA and PE, tarpaulin, oilcloth, the composite membrane of PVC and PEP, and geomembrane etc. all can be used for implementing the present invention.
Surface, bottom surface 1 of the present invention or its above add short mixed structure 6, thus make algae liquid along in the flow process of bottom surface 1, in thin layer, form turbulent flow, be beneficial to algae liquid mixing diametrically in thin layer, to improve light utilising efficiency further." short mixed structure " of the present invention mean bottom surface or above arrange and can promote the structure that algae liquid mixes.Other structures that can strengthen algae liquid mixing in thin layer that those skilled in the art can obtain all can be used for the present invention.
That directly contact with bottom surface 1 in described support frame 3 is the first supporting beam 3-1, described first supporting beam 3-1 placing direction is perpendicular to the algae liquid flow direction on bottom surface 1, make bottom surface overall flat or in slightly stepped, make the evenly flowing or in " waterfall stream " gently of algae liquid.Wherein, bottom surface of the present invention is preferably the structure formation of overall flat, but due in construction process, is difficult to ensure the completely smooth of bottom surface.Such as the first supporting beam 3-1 lays due to the mode taken perpendicular to algae liquid flow direction, may occur that the gate because spacing is far away supports the difference of settling height, the local gradient is caused to be different from the phenomenon of the overall gradient, the i.e. bottom surface form of the present invention's so-called " slightly stepped ", this form also can realize the object of the invention.In addition, present invention employs flexible face, the present invention all can be implemented in the smooth or slight stair-stepping bottom surface of formation, and be not strict to the requirement of civil engineering, applicability is strong.
In each edge of described support frame 3, at least parallel with algae liquid flow direction two edges are higher than other parts in supporting structure, and namely it is approximate matrix along algae liquid flow direction vertical section.Described support frame 3 is skeletal structure, and it makes whole model by single-material, or is made up of multimode, single/multiple material splicing assembling.
Described support frame 3 is made up of natural materials or synthetic materials.Described natural materials is selected from metal, soil, brick, stone, wood or bamboo; Described synthetic materials is selected from plastics, concrete or plastic-steel.The typical but non-limiting example of described support frame 3 material comprises: metal, brick, stone, plastics, concrete, bamboo, plastic-steel, soil etc., all can be used for implementing the present invention.
Slope conditioning and tension-adjusting gear is added in described support frame 3.The described flexible face gradient realizes regulating by slope conditioning, and surperficial Zhang Du realizes regulating by tension-adjusting gear.
Described bottom surface 1 is provided with tonifying Qi groove 4; Described tonifying Qi groove 4 is preferably placed at middle and upper part, bottom surface 1 or middle part.Bottom surface 1 is set the object of tonifying Qi groove 4 be as on bottom surface 1 flowing algae liquid supplementary carbon source.In microalga cultivation process, carbon source can CO
2the form of dissolved air water or liquid/solid carbon compound fills into.
The described recycle system comprises conduit 10, lifting gear 8, surge tank 7 and liquid distributor 11; Described conduit 10 extends to the origin or beginning of algae liquid flow direction from the end of algae liquid flow direction bottom surface 1; Described liquid distributor 11 is connected with conduit 10 end, is positioned at the origin or beginning of algae liquid flow direction;
Described lifting gear 8 is pump.The algae liquid flowing to one end, bottom surface 1 is delivered to bottom surface 1 the other end by conduit 10 under the effect of lifting gear 8, makes algae liquid be lamelliform, flows uniformly, so move in circles along bottom surface 1.Described surge tank 7 or conduit 10 are provided with temperature regulating device and collection device.
In the present invention, surge tank 7 can be used as algae liquid and gas (containing CO
2component) the temporary reservoir place of the place that mixes or algae liquid (according to processing requirement, also can blast containing CO as during storage place sometimes
2the gas of component), select the kind of pump according to this.
Described lifting gear 8 is impeller pump, submersible pump or gas-liquid mixing pump.The present invention utilizes gas-liquid mixing pump to carry out Liquid transfer and gas-liquid fully mixes.
When surge tank as algae liquid and gas (containing CO
2component) or dissolved air water (containing CO
2component) or the mixing place of nutritive substance time, described lifting gear 8 is impeller pump, submersible pump or gas-liquid mixing pump preferably, and described surge tank 7 is connected in series with conduit 10.Now, main road valve cuts out, and the bypass valve be connected with surge tank 7 is opened (surge tank 7 opening or communicate with the external world), containing CO
2the gas of component or containing CO
2the dissolved air water of component maybe can promote that the nutritive medium of micro algae growth passes in surge tank 7, preferably contacts with algae liquid in surge tank 7 by after micropore sparger bottom surge tank 7 again, and what formed like this contains CO
2the even microbubble of component can contact more fully with algae liquid, is beneficial to CO
2or nutritive substance fully mixes with algae liquid.
When the temporary reservoir place of surge tank as algae liquid, described lifting gear 8 is for gas-liquid mixing pump is to realize Liquid transfer and gas-liquid fully mixes simultaneously, and now, surge tank 7 is with conduit 10 and connect, main road valve is opened, and the bypass valve be connected with surge tank 7 is closed (now containing CO
2the gas of component fully mixes with algae liquid through pump, to provide micro algae growth desired nutritional material).
When night or adverse weather, also main road valve can cut out, the bypass valve be connected with surge tank 7 is opened, and makes algae liquid stored in surge tank 7, can pass into gas (preferably containing CO according to breeding technique demand in surge tank 7
2the gas of component).Now surge tank 7 is the place storing algae liquid, and surge tank 7 can be arranged in outer or greenhouse, greenhouse 5 under bottom surface 1, is preferably disposed in greenhouse 5, also can be equipped with corresponding temperature regulating device, collection device, realize algae liquid respectively and concentrate temperature control and frustule to collect.
Conduit 10 material of the present invention is preferably the material of seawater corrosion resistance, and more preferably plastics or lining mould metal.The preferred PVC of described plastics.
Described conduit 10 can be provided with temperature regulating device, collection device.
Nutritive substance (gaseous state, liquid state, solid-state) fills into except mode except above-mentioned, also adds on other positions of the recycle system (as conduit 10) or bottom surface 1 by feeding-system.Described Greenhouse System for top, is its architecture basics with support frame 3 with bottom surface 1, is accompanied by greenhouse films material and forms greenhouse 5.The animals and plants cultivation auxiliary facilities such as greenhouse 5 in-built lighting, heating, spray.These auxiliary facilities not only can be used for animals and plants cultivation in greenhouse, also can be used for the light filling of thin-layer system, heating, cooling, thus micro-algae of trickling on bottom surface 1 is better grown.
The running kinetic energy of described polygenerations systeme provides by windmill or waterwheel, to utilize residing regional nature/renewable energy source, reduces Nonrenewable energy resources consumption.
Embodiment 1
As shown in Figure 3, in the present embodiment, bottom surface 1 is made up of EVA canopy film, to be attached on the first supporting beam 3-1 and to tighten formation cultivation apparatus.Bottom surface 1 is rectangle, overall length 50 meters, wide 10 meters.Be obliquely installed along support frame 3, its high-end distance 3 meters, ground, low side are apart from 2 meters, ground.First supporting beam 3-1 lays (namely laterally lay, vertical with algae liquid flow direction), spacing 0.5 meter along bottom surface 1 minor face, and longitudinal bearing beam 3-2 is positioned under the first supporting beam 3-1, lay (i.e. longitudinal laying, parallel with algae liquid flow direction), spacing 2.5 meters along bottom surface 1 long side direction; Bottommost establishes gate to support 3-3, spacing 10 meters.Gate supports outside 3-3 and is accompanied by EVA canopy film (bottom surface), and being formed with bottom surface 1 is the Greenhouse System pushed up, and is provided with the facilities such as spray, light filling and heating in system.Epiphragma 2 is also made up of EVA canopy film, apart from 10.2 meters, bottom surface, forms dismountable closed cavities with bottom surface 1.When physical environment temperature is temperature required lower than micro algae growth, double membrane structure achieves good heat insulation function, in addition heating in greenhouse 5, suitable micro algae growth temperature (25 DEG C) can be ensured, in night greenhouse 5, light compensating lamp can be opened, while by plant light compensation (or providing illumination to animal) foster in greenhouse 5, light is irradiated to the algae liquid flowed in bottom surface through bottom surface, thus realizes the lasting cultivation of micro-algae at night.In addition, double membrane structure also has good effect resisting in the adverse weathers such as dust storm.On the cultivation face of maintenance, liquid layer thickness is about 6mm.Take impeller pump as power input device, main road valve cuts out, and the bypass valve be connected with surge tank is opened, CO
2with gas mixture (the wherein CO of air
2concentration is 5%) be that mixed gas passes in surge tank, for micro algae growth provides carbon source by the microporous aeration device of 0.2mm via aperture.When algae liquid concentration (for chlorella) reaches about 25g/L, collect in algae liquid and after 1/2 frustule, fill into nutrient solution continuation cultivation.In breeding process, initially to cultivate volume and nutrient solution consists of basis, regularly add the nutritive element such as water and N, P.
In this system, according to breeding technique demand, if night or cold or hot weather stopping cultivation, algae liquid can be centrally stored in surge tank 7 and (fill or do not fill containing CO
2the gas of component), surge tank 7 is built in greenhouse 5 (more excellent), concentrates temperature control.In addition, in normal breeding process, also can, by temperature control facility additional on conduit 10, algae liquid be made to realize temperature control in the process flowing through conduit 10.
In addition, can design features (short mixed structure 6) on bottom surface 1 in this system, to promote that the algae liquid flowed fully mixes thereon.Epiphragma 2 can be designed to free-standing pattern, opens wide according to breeding technique demand or operational requirements in good time.
The present embodiment will be bottom surface with flexible membrane, have the thin layer cultivating system of epiphragma structure and combine with Greenhouse System, can overcome/alleviate the space availability ratio existed in prior art low, the cultivation of mechanically resistant material in the face of the intensity of supporting structure and manufacturing accuracy require high, engineering cost and difficulty high, without temperature control facility, without quality assurance facility, CO
2gas supply mode efficiency is low, is in the light mutually in two cultivation faces, short mixed weak effect, the technical problems such as energy derive is single, be a kind of space availability ratio high, can Poly-generation, structure is simple, with low cost, can suitable temperature control, algae quality product can be ensured to a certain extent, CO
2the low cost thin layer cultivation polygenerations systeme that utilization ratio is high.
Embodiment 2
As shown in Figure 4, in the present embodiment, bottom surface 1 is made up of EVA canopy film, be rectangle, overall length 100 meters, wide 20 meters.In the middle part of bottom surface 1, (50 meters of) establishes the dark 10cm of tonifying Qi groove 4(), establish micropore blowdown pipe in tonifying Qi groove 4, continue to pass into containing CO
2the gas of component, the longitudinal bearing beam 3-2 in tonifying Qi groove 4 place disconnects.Bottom surface 1 is high-end apart from 3.5 meters, ground, and low side is apart from 2 meters, ground.Take gas-liquid mixing pump as power input device, main road valve is opened, and the bypass valve be connected with surge tank 7 is closed, CO
2with gas mixture (the wherein CO of air
2concentration is 3%) fully contact in gas-liquid mixing pump place with algae liquid, for micro algae growth provides carbon source.Epiphragma 2 is made up of anti-infrared film.On cultivation face, liquid layer thickness is about 8mm.All the other are with embodiment 1.
In the present embodiment, epiphragma 2 is made up of anti-infrared mould material, stops that infrared light enters, realize cooling while meeting illumination needed for micro algae growth; In the middle part of bottom surface 1, establish tonifying Qi groove 4, pass into containing CO
2the gas of component, for the algae liquid in flowing supplements the required carbon source of growth.All the other and embodiment 1 are together.
Applicant states, the present invention illustrates detailed construction feature of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed construction feature, does not namely mean that the present invention must rely on above-mentioned detailed construction feature and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the increase of accessory, the concrete way choice etc. of parts selected by the present invention, all drops within protection scope of the present invention and open scope.
Claims (24)
1. a thin layer cultivation polygenerations systeme, it is characterized in that, described polygenerations systeme comprises thin layer cultivating system and Greenhouse System; Described thin layer cultivating system comprises cultivation apparatus and the recycle system, and described cultivation apparatus comprises bottom surface (1) and corresponding support frame (3); Described cultivation apparatus and the recycle system are that closed loop is connected; Described Greenhouse System is positioned at below cultivation apparatus;
Described bottom surface (1) is flexible face; Described flexible face is covered in the upper surface of support frame (3), is fixedly connected with support frame (3), forms cultivation apparatus;
Described support frame adds tension-adjusting gear in (3), and the surperficial Zhang Du of described flexible face realizes regulating by tension-adjusting gear;
The liquid layer degree of depth on described bottom surface (1) is less than 1cm;
Middle part, described bottom surface (1) is yield zone; In described bottom surface (1) each edge, at least parallel with algae liquid flow direction two edges, higher than yield zone, form overflow weir;
In each edge of described support frame (3), at least parallel with algae liquid flow direction two edges are higher than other parts in support frame (3);
Described Greenhouse System for top with bottom surface (1), with support frame (3) for its architecture basics, is accompanied by greenhouse films material and forms greenhouse (5).
2. polygenerations systeme as claimed in claim 1, is characterized in that, the described liquid layer degree of depth 4 ~ 8mm.
3. polygenerations systeme as claimed in claim 1, is characterized in that, the top, bottom surface (1) of described thin layer cultivating system also arranges epiphragma (2).
4. polygenerations systeme as claimed in claim 3, is characterized in that, described bottom surface (1) and epiphragma (2) form dismountable closed/semiclosed chamber.
5. polygenerations systeme as claimed in claim 3, it is characterized in that, epiphragma (2) can put down through transmission mechanism or pack up.
6. polygenerations systeme as claimed in claim 3, it is characterized in that, described epiphragma (2) is light-transmissive film.
7. polygenerations systeme as claimed in claim 6, it is characterized in that, described epiphragma (2) is anti-infrared film or high light-transmissive film.
8. polygenerations systeme as claimed in claim 7, it is characterized in that, described anti-infrared film is infrared generating film.
9. polygenerations systeme as claimed in claim 1, it is characterized in that, the angle of described overflow weir and yield zone is 90 degree.
10. polygenerations systeme as claimed in claim 1, is characterized in that, described bottom surface (1) in level or tool certain slope place.
11. polygenerations systemes as claimed in claim 10, it is characterized in that, the described gradient is less than 10 degree.
12. polygenerations systemes as claimed in claim 11, it is characterized in that, the described gradient is less than 5 degree.
13. polygenerations systemes as claimed in claim 12, it is characterized in that, the described gradient is less than 2 degree.
14. polygenerations systemes as claimed in claim 1, is characterized in that, add short mixed structure (6) above bottom surface (1) surface or its.
15. polygenerations systemes as claimed in claim 1, it is characterized in that, that directly contact with bottom surface (1) in described support frame (3) is the first supporting beam (3-1), and described first supporting beam (3-1) placing direction is perpendicular to the algae liquid flow direction on bottom surface (1).
16. polygenerations systemes as claimed in claim 1, it is characterized in that, described support frame (3) is skeletal structure, and it makes whole model by single-material, or is made up of multimode, single/multiple material splicing assembling.
17. polygenerations systemes as claimed in claim 1, it is characterized in that, described support frame adds slope conditioning in (3).
18. polygenerations systemes as claimed in claim 1, it is characterized in that, described bottom surface (1) is provided with tonifying Qi groove (4).
19. polygenerations systemes as claimed in claim 18, is characterized in that, described tonifying Qi groove (4) is positioned at (1) middle and upper part, bottom surface or middle part.
20. polygenerations systemes as claimed in claim 1, is characterized in that, the described recycle system comprises conduit (10), lifting gear (8), surge tank (7) and liquid distributor (11); Described conduit (10) extends to the origin or beginning of algae liquid flow direction from the end of algae liquid flow direction bottom surface (1); Described liquid distributor (11) is connected with conduit (10) end, is positioned at the origin or beginning of algae liquid flow direction.
21. polygenerations systemes as claimed in claim 20, it is characterized in that, described lifting gear (8) is pump.
22. polygenerations systemes as claimed in claim 20, is characterized in that, described surge tank (7) or conduit (10) are provided with temperature regulating device and collection device.
23. polygenerations systemes as claimed in claim 20, is characterized in that, described lifting gear (8) is impeller pump, submersible pump or gas-liquid mixing pump, described surge tank (7) is connected in series with conduit (10); Or described lifting gear (8) is gas-liquid mixing pump, described surge tank (7) and conduit (10) also connect.
24. polygenerations systemes as claimed in claim 20, it is characterized in that, described surge tank (7) is arranged in greenhouse (5).
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| CN201310327098.7A CN103361259B (en) | 2013-07-30 | 2013-07-30 | A kind of thin layer cultivation polygenerations systeme |
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| CN201310327098.7A CN103361259B (en) | 2013-07-30 | 2013-07-30 | A kind of thin layer cultivation polygenerations systeme |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101870950B (en) * | 2009-04-24 | 2013-09-04 | 中国石油化工股份有限公司 | Device for culturing microalgae |
| US8658420B2 (en) * | 2009-09-15 | 2014-02-25 | Bayer Materialscience Llc | Photobioreactor for algae growth |
| CN103038332A (en) * | 2010-05-12 | 2013-04-10 | 美国科乐生物能源有限公司 | Cultivation of photosynthetic organisms |
| CN102408980B (en) * | 2010-09-20 | 2016-03-09 | 新奥科技发展有限公司 | Bioreactor |
| CN202246642U (en) * | 2011-08-29 | 2012-05-30 | 暨南大学 | Coupling type photobiological reactor system |
| CN202635280U (en) * | 2012-03-31 | 2013-01-02 | 莫塔赫德·索赫尔 | Integrated tank-optical bioreactor |
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