Deposit system is dried in the harvesting of sealed microalgae greenTechnical field
The present invention relates to algae production recovery arrangement field more particularly to a kind of sealed microalgae efficient green recovery systems.
Background technique
In the prior art, the method for microalgae mainly has: being exposed to the sun after natural drainage, chemical precipitation, coagulation wadding, centrifugationSeparation and gravity filtration etc., the major defect of these collecting methods are that time-consuming, energy consumption is high and complex process, are only used forIndustrial extensive harvesting is not easy to small-scale economical application.
Summary of the invention
It is harvested the technical problem to be solved in the present invention is to provide a kind of sealed microalgae green and dries deposit system, realize microalgae certainlyDynamicization, modularization harvest on a small scale.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: a kind of harvesting of sealed microalgae green, which is dried, depositsSystem, including inlet tube and harvesting case；
Gravity filtration area, tension filtering area, the area Hong Cun and heat source are provided in harvesting case, inlet tube is for conveying algae solutionTo gravity filtration area, gravity filtration area is connected to tension filtering area；
Tension filtering area is provided with the first filter screen and the filler under the first filter screen, the inclination of the first filter screen；
The conveyer belt for being provided at least two rollers below tension filtering area and being wrapped on roller, the setting of conveyer belt lower sectionThere are the first heat-conducting plate and harvesting roller, harvest roller and conveyer belt is tangent, the first heat-conducting plate and conveyer belt are passed close to heatSend band；
It is provided with the area Hong Cun below harvesting roller, the second heat-conducting plate is provided in the area Hong Cun；
Heat source heats the first heat-conducting plate and the second heat-conducting plate.
Algae solution reaches tension filtering area through gravity filtration area, and wherein moisture is gradually absorbed by hydrophilic filler, sticky algae solutionConveyer belt is flowed to along the first filter screen and is uniformly made thinner in transmission belt surface, and carries out natural evaporation, the first heat-conducting plate pairMicroalgae thin layer on conveyer belt through natural evaporation is thermally dried, so that microalgae lamina shrink is dry and cracked；Dry and cracked microalgae thin layerIt reaches and is cleaned and removed conveyer belt at harvesting roller, fall into the area Hong Cun, realize microalgae recovery.
Further, the gravity filtration area includes profundal zone and phytal zone, and the bottom of profundal zone is provided with the second filteringNet and eventually by pipeline connection to micro-algae culture pond；Phytal zone is provided with algae solution channel and is connected to tension filtering area；Into weightThe algae solution of power filtering area is assembled in profundal zone first, and lesser microalgae and water penetrate the second filter screen under the effect of gravity and is back toMicro-algae culture pond, biggish microalgae is trapped in gravity filtration area and constantly accumulation diffuses to phytal zone, the algae solution through phytal zoneChannel reaches tension filtering area.
In order to increase the drainage capacity of tension filtering area, the tension filtering area is provided with the first pipeline, and the first pipeline is stretchedEnter to filler, the air near tension filtering area is pumped into inside filler by the first pipeline, and air is for dredging inside fillerHole, and destroy the first strainer on algae solution surface tension.
Further, the heat source is semiconductor chilling plate, and the first heat-conducting plate and the are heated in the hot end of semiconductor chilling plateTwo heat-conducting plates.
Further, it further includes the second pipeline that deposit system is dried in harvesting；Condensing zone, semiconductor chilling plate are provided in harvesting caseCold end be located in condensing zone；Second pipeline passes through conveyer belt peripheral region and condensing zone, and the cold end of semiconductor chilling plate condensesGas in second pipeline；Second pipeline is on the inside of conveyer belt and other damp-heat air positions are provided with air inlet.First is thermally conductivePlate and the damp-heat air of the second heat-conducting plate evaporation enter the microalgae thin layer on the second pipeline heating conveyer belt, then to reach temperature lowerCondensing zone, vapor is condensed into water, and condensed water is stored in condensing zone by draining branch, is discharged in due course.
Further, the second pipeline extends at harvesting roller and condensed cold dry air is sprayed to harvesting cylinder and nearby passesSend band, the microalgae on conveyer belt be heated it is dry and cracked, harvesting roller at by cold dry air fast cooling, microalgae thin slice is furtherShrink it is dry and cracked, convenient for being removed from conveyer belt.
Further, the roller is made or outsourcing water-absorbent material of water suction material.
Further, the conveyer belt is made of porous materials, such as all kinds of material strainers, cloth.
Further, it further includes microalgae enrichment pond and water pump (such as gas bubble pump) that deposit system is dried in harvesting, and microalgae is enriched with Chi YuweiSimultaneously third filter screen is arranged in connectivity part in algae culture pond connection, and water pump continues for the algae solution in both culturing microalgae to be pumped into microalgae enrichmentPond, third filter screen assembles biggish microalgae in microalgae enrichment pond, convenient for harvesting；Lesser microalgae and moisture are through theThree filter screens return to micro-algae culture pond.The algae solution that inlet tube is pumped into gravity filtration area is enriched with pond from microalgae.
Further, the area Hong Cun is provided with the first temperature controller, and the first temperature controller monitoring area Hong Cun temperature simultaneously controls heat sourceThe degree of heat, harvesting case is interior to be arranged the second temperature controller, and the second temperature controller monitors the first thermally conductive plate temperature and controls the fever of heat sourceDegree.
The utility model has the advantages that (1) sealed microalgae green recovery system of the invention utilizes multiple filtering areas and roller and transmissionWith the closed harvesting for realizing microalgae, recovery process is without adding other substances and not having an impact to algae pond and environment, entirelySystem has good automation characteristic and flexibility, is very suitable to small-scale modularization microalgae recovery scene and uses.(2) this hairTension filtering area is arranged in bright sealed microalgae green recovery system, using inclination strainer and hydrophilic filler and internal aerationSurface tension of the algae solution on strainer is effectively abolished in synergy, quickly filters out the moisture in algae solution layer, as far as possible the reduction later periodThe amount of moisture that need to be evaporated.(3) sealed microalgae green recovery system of the invention uses porous type conveyer belt and water suction roller, intoOne step reduces the moisture in microalgae thin layer.(4) sealed microalgae green recovery system of the invention is recycled using active airSystem will harvest rapidly the steam evaporated in case and take away and condense discharge, accelerate evaporation process by condensation process.(5) this hairThe heat and condensation that bright sealed microalgae green recovery system uses semiconductor chilling plate to be included by the damp-heat air of evaporationEnergy efficiency and evaporation efficiency is substantially improved to heating, drying microalgae thin layer in heat.
Detailed description of the invention
Fig. 1 is that deposit system structural schematic diagram is dried in the harvesting of 1 sealed microalgae green of embodiment.
Fig. 2 is the structural schematic diagram that case is harvested in embodiment 1.
Fig. 3 is the A enlarged drawing of Fig. 2.
Fig. 4 is the structural schematic diagram (another visual angle) that case is harvested in embodiment 1.
Wherein: 1, inlet tube；2, microalgae is enriched with pond；3, gas bubble pump is recycled；4, micro-algae culture pond；5, third filter screen；6,Gravity filtration area；601, profundal zone；602, phytal zone；6021, algae solution channel；7, tension filtering area；8, the area Hong Cun；9, it condensesArea；10, the second pipeline；11, the second filter screen；12, the first filter screen；13, filler；14, the first pipeline；15, roller；16, it passesSend band；17, the first heat-conducting plate；18, roller is harvested；19, the second heat-conducting plate；20, the first temperature controller.
Specific embodiment
Invention is further described in detail With reference to embodiment.
Embodiment 1
As shown in Figure 1, it includes inlet tube 1, harvesting case, microalgae that deposit system is dried in the sealed microalgae green harvesting of the present embodimentIt is enriched with pond 2 and circulation gas bubble pump 3；
In order to facilitate observation, the box plate of harvesting box top and front surface is concealed in Fig. 1,2 and 4；
Microalgae enrichment pond 2 is connected to micro-algae culture pond 4 and third filter screen 5 is arranged in connectivity part, and circulation gas bubble pump 3 continuesAlgae solution in both culturing microalgae is pumped into microalgae enrichment pond 2, third filter screen 5 makes biggish microalgae be enriched with 2 cohesion of pond in microalgaeCollection；
It is provided with gravity filtration area 6, tension filtering area 7, the area Hong Cun 8, condensing zone 9 and semiconductor chilling plate in harvesting case,The algae solution that microalgae is enriched in pond 2 is delivered to gravity filtration area 6 by inlet tube 1；As shown in Fig. 2, gravity filtration area 6 includes profundal zone601 and phytal zone 602 (profundal zone 601 is in right phytal zone 602 on a left side in Fig. 2), the bottom of profundal zone 601 is provided with the second filteringNet 11 and eventually by pipeline connection to micro-algae culture pond 4；Phytal zone 602 is provided with algae solution channel 6021 and is connected to tension filteringArea 7；
Tension filtering area 7 is provided with the first filter screen 12, filler 13 and the first pipeline under the first filter screen 1214, the first filter screen 12 inclination, the first pipeline 14 stretches to inside filler 13, and the first pipeline 14 will be near tension filtering area 7Clammy air is pumped into inside filler 13；
It is arranged below tension filtering area 7 there are three roller 15 and the conveyer belt 16 being wrapped on roller 15, roller 15 is by inhalingWater material is made or outsourcing water-absorbent material, and conveyer belt 16 is made of porous materials, and is provided with the first heat-conducting plate 17 below, theTwo temperature controllers and harvesting roller 18, harvest roller 18 and conveyer belt 16 is tangent (specifically as shown in Figure 3), the first heat-conducting plate 17 and biographySend band 16 in parallel close to so as to heated belt 16；
It is provided with the area Hong Cun 8 below harvesting roller 18, the second heat-conducting plate 19 and temperature controller 20 are provided in the area Hong Cun 8；
Heat the first heat-conducting plate 17 and the second heat-conducting plate 19 in the hot end of semiconductor chilling plate；The cold end position of semiconductor chilling plateIn in condensing zone 9；Second pipeline 10 is by 16 lower zone of conveyer belt, condensing zone 9 and extends at harvesting roller 18, the second pipeRoad 10 is provided with air inlet below tension filtering area 7 and on the inside of conveyer belt 16, and the second pipeline 10 sprays condensed airTo conveyer belt 16, the second pipeline 10 has the liquid level of draining branch insertion condensing zone 9 or less in condensing zone 9.
The workflow that deposit system is dried in the harvesting of the present embodiment sealed microalgae green is:
(1) algae solution is pumped into the gravity filtration area 6 of harvesting case by inlet tube 1 from microalgae enrichment pond 2, and lesser microalgae and water are saturatingIt crosses the second filter screen 11 to be then refluxed for micro-algae culture pond 4, biggish microalgae is trapped in gravity filtration area 6 and constantly accumulation is expandedIt is dissipated to phytal zone 602, the algae solution channel 6021 through phytal zone 602 reaches tension filtering area 7；
(2) moisture in tension filtering area 7, algae solution is drained by the absorption of hydrophilic filler 13, and the first pipeline 14 is by tension mistakeAir near filter area 7 is pumped into inside filler 13, and is overflowed from 12 surface of the first filter screen, further abolishes algae solution in the first mistakeThe surface tension that 12 surface of strainer is formed, the sticky algae solution after concentration flow to conveyer belt 16 along the first filter screen 12 and are passingThe surface of band 16 is sent uniformly to make thinner；
(3) the microalgae thin layer uniformly made thinner on perforated conveyor belt 16 is by further absorbing water therein at water suction rollerPoint, and slowly moved with conveyer belt, absorb ambient heat, natural evaporation；
The microalgae thin layer that (4) first 17 pairs of heat-conducting plates pass through is thermally dried, the rapid dehydration of microalgae, is shunk dry and cracked；
(5) dry and cracked microalgae, which reaches to be cleaned at harvesting roller 18 and remove conveyer belt 16, falls into the area Hong Cun 8, in the area Hong Cun8, by the further baking dehydration of the second heat-conducting plate 19, realize microalgae recovery.
The second pipeline 10 in the present embodiment realizes gas circulation in harvesting case, and the second pipeline 10 extracts tension filtering area7 and conveyer belt 16 near wet air, to accelerate its evaporation, and in condensing zone 9 vapor is condensed into water again and depositedStorage is in condensing zone 9, while the second pipeline 10 will spray on conveyer belt 16 at harvesting roller 18 by condensed cold dry airThe dry and cracked microalgae thin layer of dehydration after heated, accelerates it to shrink dry and cracked process, removes from conveyer belt 16 convenient for it.
Although embodiments of the present invention are illustrated in specification, these embodiments are intended only as prompting,It should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present inventionIt should be included within the scope of the present invention.