CN203474790U - Production device for carrying out purifying treatment on livestock and poultry breeding wastewater by utilizing microalgae - Google Patents
Production device for carrying out purifying treatment on livestock and poultry breeding wastewater by utilizing microalgae Download PDFInfo
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- CN203474790U CN203474790U CN201320579264.8U CN201320579264U CN203474790U CN 203474790 U CN203474790 U CN 203474790U CN 201320579264 U CN201320579264 U CN 201320579264U CN 203474790 U CN203474790 U CN 203474790U
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Abstract
The utility model relates to a production device for carrying out purifying treatment on livestock and poultry breeding wastewater by utilizing microalgae on a large scale. The system comprises a livestock and poultry breeding pretreatment system, a greenhouse system, a photobioreactor system, an alga liquid concentration on-line detection system, a collection system, a water circulation system, a temperature control system and a lighting system. The production device disclosed by the utility model greatly reduces the production cost of microalgae culture by culturing the microalgae by utilizing wastewater generated by large-scale livestock and poultry breeding after the wastewater is blended, reduces the indexes of the wastewater by taking nitrogen and phosphorus which are contained in waste liquor as nutrient substances used for culturing the microalgae, can be used for purifying the sewage and enhances the water quality.
Description
Technical field
The utility model relates to a kind of micro-algae and purifies livestock breeding wastewater device.
Background technology
Energy dilemma and water resources crisis are two large crises of 21 century facing mankind, are the subject matter of restriction human development.Therefore; exploiting economy, efficient, reproducible novel energy are the active demands of countries in the world, micro-algae due to food crop competitions soil, oleaginousness is high, photosynthetic efficiency is high, environmental compatibility is strong, can large-scale and the effect with carbon capture be considered to the optimum feed stock of production biofuel.At present, the Main Bottleneck that micro-algae bioenergy technology faces is to obtain on a large scale biomass resource high cost.Therefore the production cost that, how to reduce micro-algae biofuel is a problem demanding prompt solution.At present, the method for the micro-algae of scale operation mainly contains open culturing pool and airtight bioreactor.Yet open pool cultivated condition changes greatly, and has serious pollution, cannot realize the cultivation of continous-stable, does not generally reach the object of high-density breeding.Therefore need to provide a kind of can reduce micro-algae biological production cost, can realize the system of high-density both culturing microalgae again simultaneously.
Summary of the invention
The utility model improves the problems referred to above, and the technical problems to be solved in the utility model is a kind of system that reduces the useless water purification livestock breeding wastewater of production cost while purifying aquaculture of cultivating micro-algae of design.
Specific embodiments of the present utility model is: a kind of micro-algae purifies livestock breeding wastewater device, comprise natural pond liquid pool, algae liquid mixing pit, bioreactor, liquid storage tank, clean water basin for clear water after the collecting tank of flocculation treatment algae liquid and collection and treatment, described natural pond liquid pool is connected through natural pond liquid Guan Yuzao liquid mixing pit, described bioreactor comprises frame, in described frame, be provided with several longitudinally stacked flat-plate reactors, the flat-plate reactor bottom of described lowest layer flat-plate reactor top is provided with the upflow tube that allows liquid be flowed out to lower floor's flat-plate reactor by upper panel formula reactor, described lowest layer flat-plate reactor bottom upflow tube is connected with liquid storage tank, liquid storage tank is also provided with the liquid returning tube that leads to the superiors' flat-plate reactor, described liquid returning tube is provided with back liquid pump, described algae liquid mixing pit is provided with the tubing being connected with the superiors flat-plate reactors, described every layer of flat-plate reactor is provided with the drain pipe being connected with collecting tank, described drain pipe is provided with fluid switch, described collecting tank was connected with clean water basin through communicating pipe.
Further, described flat-plate reactor bottom is provided with aeration tube, and described aeration tube is connected with the air pump of gas is provided through pneumatic tube, and described pneumatic tube is provided with the air valve of controlling gas flow rate.
Further, described frame below is provided with wheel, and described frame is provided with the brace table of placing flat-plate reactor, and the every interlayer of described flat-plate reactor is every 40～60cm, and bottom one deck is 40～60 cm overhead.
Further, described tubing is provided with flowrate control valve and infusion pump, in described bioreactor, is provided with temperature sensor, and described liquid returning tube is provided with flow indicator.
Further, be provided with sampler, detector in described flat-plate reactor, described sampler, detector are connected with computer through Controlling System.
Further, described bioreactor is placed in being covered with in the greenhouse of light transmission film.
Further, in described greenhouse, be provided with fluorescent lamp and thermopair warming instrument.
Compared with prior art, the utlity model has following beneficial effect: the utility model utilizes multi-tiered plate reactor and liquid returning tube to form culturing liquid circulation, the natural pond liquid of livestock breeding wastewater after methane-generating pit fermentation is as the nutrient solution of both culturing microalgae, saved the cost in microalga cultivation process, micro-algae is in breeding process, can carry out further denitrogenation dephosphorizing to natural pond liquid, shorten production technique, reduce the indices in the liquid of natural pond, purifying water body water quality, natural pond liquid indices is reached can emission standard, protection of the environment, breeding wastewater is reuse after treatment, save breeding water.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
in figure: 1-natural pond liquid pool, 2-algae liquid mixing pit, 3-optical-biological reaction, 4-liquid storage tank, 5-collecting tank, 6-clean water basin, 7-flat-plate reactor, 8-aeration tube, 9-wheel, 11-natural pond liquid pipe, 21-tubing, 211-flowrate control valve, 212-infusion pump, 31-frame, 32-upflow tube, 33-temperature sensor, 34-flow indicator, 41-liquid returning tube, 411-returns liquid pump, 51-drain pipe, 511-fluid switch, 52-communicating pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, a kind of micro-algae purifies livestock breeding wastewater device, comprise natural pond liquid pool 1, algae liquid mixing pit 2, bioreactor 3, liquid storage tank 4, clean water basin 6 for clear water after the collecting tank 5 of flocculation treatment algae liquid and collection and treatment, described natural pond liquid pool 1 is connected with algae liquid mixing pit 2 through natural pond liquid pipe 11, described bioreactor 3 comprises frame 31, in described frame 31, be provided with several longitudinally stacked flat-plate reactors 7, flat-plate reactor 7 bottoms of described lowest layer flat-plate reactor 7 tops are provided with the upflow tube 32 that allows liquid be flowed out to lower floor's flat-plate reactor by upper panel formula reactor, described lowest layer flat-plate reactor 7 bottom upflow tubes are connected with liquid storage tank 4, liquid storage tank 4 is also provided with the liquid returning tube 41 that leads to the superiors' flat-plate reactor, described liquid returning tube 41 is provided with back liquid pump 411, described algae liquid mixing pit 2 is provided with the tubing 21 being connected with the superiors flat-plate reactors, described every layer of flat-plate reactor 7 is provided with the drain pipe 51 being connected with collecting tank 5, described drain pipe 51 is provided with fluid switch 511, described collecting tank 5 was connected with clean water basin 6 through communicating pipe 52.
Described flat-plate reactor 7 bottoms are provided with aeration tube 71, and described aeration tube 8 is connected with the air pump 82 of gas is provided through pneumatic tube 81, and described pneumatic tube 81 is provided with the air valve of controlling gas flow rate.
pre-treatment:
This step object is to fully utilize foster duck waste water resource, first by livestock breeding wastewater process methane-generating pit fermentative processing, the collecting methane that fermentation is produced, generate electricity or as fuel (can be used for the required temperature of supply cultivating microalgae winter), natural pond liquid after fermentation adopts sand filtration or other forms to filter, remove macrobead foreign material wherein, enter natural pond liquid pool 1, as the nutrient solution of both culturing microalgae.
algae liquid mixes:
Natural pond liquid pool 1 carries natural pond liquid to algae liquid mixing pit 2, and the algae liquid preparation method in algae liquid mixing pit 2 is as follows:
Micro-algae algae kind is inoculated in the Erlenmeyer flask that nutrient solution is housed, is positioned on shaking table and cultivates, 22～25 ℃ of culture temperature, intensity of illumination 4000-4500 lux, illumination and dark time cycle are 12h:12h, shaking speed 120 r/min, the OD of algae liquid in Erlenmeyer flask
680while reaching 0.6-0.7, obtained the algae liquid after expanding species is cultivated; Algae liquid after expanding species is transferred to and is equipped with in the Erlenmeyer flask of processing rear natural pond liquid, and volume ratio is about 3:7,22～25 ℃ of culture temperature, and intensity of illumination 4000-4500lux, illumination and dark time cycle are 12h:12h, the OD of algae liquid in Erlenmeyer flask
680while reaching 1.2-1.3, the algae liquid after being tamed, is transferred to the algae liquid after domestication in bioreactor and cultivates afterwards.
Wherein in every liter of nutrient solution used containing 1,250 mg KNO
3, 1,250 mg KH
2pO
4, 1,000 mg MgSO
47H
2o, 500 mg EDTA, 114.2 mg H
3bO
3, 111 mg CaCl
22H
2o, 49.8 mg FeSO
47H
2o, 88.2 mg ZnSO
47H
2o, 14.2 mg MnCl
24H2O, 15.7 mg CuSO
45H
2o and 4.9 mg Co (NO
3)
26H
2o.
purify:
Described bioreactor 3 comprises frame 31, in described frame 31, be provided with several longitudinally stacked flat-plate reactors 7, flat-plate reactor 7 bottoms of described lowest layer flat-plate reactor 7 tops are provided with the upflow tube 32 that allows liquid be flowed out to lower floor's flat-plate reactor by upper panel formula reactor, described lowest layer flat-plate reactor 7 bottom upflow tubes are connected with liquid storage tank 4, liquid storage tank 4 is also provided with the liquid returning tube 41 that leads to the superiors' flat-plate reactor, described liquid returning tube 41 is provided with back liquid pump 411, to realize circularly purifying.Described algae liquid mixing pit 2 is provided with the tubing 21 being connected with the superiors flat-plate reactors, and tubing 21 is provided with flowrate control valve 211 and infusion pump 212, makes to breed in algae liquid lead-in light bio-reactor that density is lower.
Flat-plate reactor 7 adopts transparent glass or plastics to make, and width is generally no more than 2 m, is highly no more than 0.5 m, and length can be determined as required.Frame is provided with the brace table of placing flat-plate reactor, flat-plate reactor 7 can adopt multilayered structure, saves space, and every layer of flat-plate reactor 7 installed a upflow tube 32, the upflow tube 32 of the flat-plate reactor 7 of adjacent two layers staggers mutually, is convenient to culturing liquid circulation.In this illustration shows, 5 layers of bioreactors 3 minutes, it is 8 m, 1.2 m, 0.15 m that every layer of actual cultivation is of a size of length and width high.Frame below is provided with the movement that wheel 9 facilitates bioreactor 3, and the every interlayer of flat-plate reactor 7 is every 40～60cm, and bottom one deck is 40～60 cm overhead.
monitoring and control:
In described bioreactor 3, be provided with temperature sensor 33, to judge that the whether suitable algal grown of temperature carries out light filling or shading work, described liquid returning tube is provided with flow indicator 34 and controls out flow velocity with judgement fluid switch 511.In described flat-plate reactor 7, be also provided with sampler, detector, described sampler, detector are connected with computer through Controlling System, realize remote automation operation.
collect:
In bioreactor 3, the side of every layer of flat-plate reactor 7 is provided with the drain pipe 51 and the drain pipe 51 that are connected with collecting tank 5 and is provided with fluid switch 511, is provided with the OD that detector can be used for detecting algae liquid in flat-plate reactor 7
680(optical density value of algae), works as OD
680reach 3.0 when above, fluid switch 511 is opened automatically, and algae liquid flows in collecting tank 5, and when OD680 drops to 1.2, fluid switch 511 switches cut out, and utilizes afterwards infusion pump 212 to supplement natural pond liquid.
Collecting tank 5 is placed with organic floculant can carry out flocculation concentration processing to the algae liquid in collecting tank 5, upper strata algae liquid can be back to further cultivation in bioreactor, lower floor's concentrated solution is sent in whizzer, under the condition of 5000-6000 r/min, carry out centrifugally, liquid is thrown out of whizzer, through entering communicating pipe 52 in clean water basin 6, and micro-algae is stayed in whizzer, afterwards the micro-algae in whizzer is taken out, at 100-110 ℃, dry, obtain micro-algae for production of biodiesel.
install:
Bioreactor 3 can be placed in being covered with in the Nei， greenhouse, greenhouse of light transmission film and be provided with fluorescent lamp and thermopair warming instrument.In greenhouse, adopt the strong film of printing opacity to hide, the film design of both sides, greenhouse becomes liftable pattern, is beneficial to greenhouse ventilation, controls temperature.The large I of Greenhouse System adjusts accordingly according to actual landform, has built the greenhouse of the high 10m* 5m* respectively of length and width 4 m in this example.When natural lighting is insufficient, with fluorescent lamp, carries out illumination and supplement.Thermopair warming instrument is installed in described greenhouse, so that the temperature in Greenhouse System is monitored to regulation and control, controls the interior temperature of Greenhouse System 25 ℃ of left and right.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (7)
1. a micro-algae purifies livestock breeding wastewater device, it is characterized in that, comprise natural pond liquid pool, algae liquid mixing pit, bioreactor, liquid storage tank, clean water basin for clear water after the collecting tank of flocculation treatment algae liquid and collection and treatment, described natural pond liquid pool is connected through natural pond liquid Guan Yuzao liquid mixing pit, described bioreactor comprises frame, in described frame, be provided with several longitudinally stacked flat-plate reactors, the flat-plate reactor bottom of described lowest layer flat-plate reactor top is provided with the upflow tube that allows liquid be flowed out to lower floor's flat-plate reactor by upper panel formula reactor, described lowest layer flat-plate reactor bottom upflow tube is connected with liquid storage tank, liquid storage tank is also provided with the liquid returning tube that leads to the superiors' flat-plate reactor, described liquid returning tube is provided with back liquid pump, described algae liquid mixing pit is provided with the tubing being connected with the superiors flat-plate reactors, described every layer of flat-plate reactor is provided with the drain pipe being connected with collecting tank, described drain pipe is provided with fluid switch, described collecting tank was connected with clean water basin through communicating pipe.
2. a kind of micro-algae according to claim 1 purifies livestock breeding wastewater device, it is characterized in that, described flat-plate reactor bottom is provided with aeration tube, and described aeration tube is connected with the air pump of gas is provided through pneumatic tube, and described pneumatic tube is provided with the air valve of controlling gas flow rate.
3. a kind of micro-algae according to claim 1 purifies livestock breeding wastewater device, it is characterized in that, described frame below is provided with wheel, described frame is provided with the brace table of placing flat-plate reactor, the every interlayer of described flat-plate reactor is every 40～60cm, and bottom one deck is 40～60 cm overhead.
4. a kind of micro-algae according to claim 1 purifies livestock breeding wastewater device, it is characterized in that, described tubing is provided with flowrate control valve and infusion pump, in described bioreactor, is provided with temperature sensor, and described liquid returning tube is provided with flow indicator.
5. a kind of micro-algae according to claim 1 purifies livestock breeding wastewater device, it is characterized in that, in described flat-plate reactor, be provided with sampler, detector, described sampler, detector are connected with computer through Controlling System.
6. a kind of micro-algae according to claim 1 purifies livestock breeding wastewater device, it is characterized in that, described bioreactor is placed in being covered with in the greenhouse of light transmission film.
7. a kind of micro-algae according to claim 6 purifies livestock breeding wastewater device, it is characterized in that, is provided with fluorescent lamp and thermopair warming instrument in described greenhouse.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320579264.8U CN203474790U (en) | 2013-09-18 | 2013-09-18 | Production device for carrying out purifying treatment on livestock and poultry breeding wastewater by utilizing microalgae |
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| CN201320579264.8U CN203474790U (en) | 2013-09-18 | 2013-09-18 | Production device for carrying out purifying treatment on livestock and poultry breeding wastewater by utilizing microalgae |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451091A (en) * | 2013-09-18 | 2013-12-18 | 福州大学 | Device for purifying livestock and poultry breeding wastewater by microalgae and method thereof |
| CN105794706A (en) * | 2014-12-31 | 2016-07-27 | 付顺林 | Ecological-type closed-water-recycling aquaculture system |
| CN106422751A (en) * | 2016-10-11 | 2017-02-22 | 厦门大学 | Microalgae multilayer tower-type denitrification carbon sequestration device and microalgae culture method |
| CN110143670A (en) * | 2019-03-15 | 2019-08-20 | 河北经贸大学 | A kind of microalgae HC-2 processing milk cattle cultivating waste plant and method |
-
2013
- 2013-09-18 CN CN201320579264.8U patent/CN203474790U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451091A (en) * | 2013-09-18 | 2013-12-18 | 福州大学 | Device for purifying livestock and poultry breeding wastewater by microalgae and method thereof |
| CN103451091B (en) * | 2013-09-18 | 2015-07-01 | 福州大学 | Device for purifying livestock and poultry breeding wastewater by microalgae and method thereof |
| CN105794706A (en) * | 2014-12-31 | 2016-07-27 | 付顺林 | Ecological-type closed-water-recycling aquaculture system |
| CN106422751A (en) * | 2016-10-11 | 2017-02-22 | 厦门大学 | Microalgae multilayer tower-type denitrification carbon sequestration device and microalgae culture method |
| CN110143670A (en) * | 2019-03-15 | 2019-08-20 | 河北经贸大学 | A kind of microalgae HC-2 processing milk cattle cultivating waste plant and method |
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