CN207079126U - The denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry - Google Patents
The denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry Download PDFInfo
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- CN207079126U CN207079126U CN201720599235.6U CN201720599235U CN207079126U CN 207079126 U CN207079126 U CN 207079126U CN 201720599235 U CN201720599235 U CN 201720599235U CN 207079126 U CN207079126 U CN 207079126U
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- biogas slurry
- microalgae
- processing system
- algae
- denitrogenation dephosphorizing
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Abstract
The utility model discloses the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry, including the biogas slurry treatment unit (1), both culturing microalgae unit (2) and the algae that are sequentially connected collect machining cell (3)；The biogas slurry treatment unit (1) includes biogas slurry installation for fermenting (11), the first biogas slurry filter (12), heavy metal flocculation plant (13) and the second biogas slurry filter (14) being sequentially connected；The both culturing microalgae unit (2) includes the nutrient solution preparation facilities (21) and micro-algae propagation device (22) being sequentially connected；The microalgae that the algae collects machining cell (3) and includes being sequentially connected obtains processing unit (plant) (31) and the 3rd biogas slurry filter (32).The utility model is pre-processed using heavy metal flocculation plant and filter assemblies to fermentation biogas slurry, again by nutrient solution preparation facilities optimization microalgae living environment, ensure that microalgae can utilize nutriment growth and breeding in biogas slurry, biogas slurry recycling is realized while biogas slurry is purified.
Description
Technical field
It the utility model is related to biogas slurry treatment technology and microdisk electrode technical field, more particularly to microalgae recycling fermentation biogas
The denitrogenation dephosphorizing processing system of liquid.
Background technology
With the fast development of scale animal and poultry cultivation industry, biogas engineering construction produces substantial amounts of anaerobic fermentation product, natural pond
Liquid pollution problem increasingly highlights.Methane-generating pit continuously discharges the biogas slurry of enormous amount, and complicated component is various, contains heavy metal, antibiosis
The harmful components such as element and hormone, can be caused greatly to rural drinking water safety, soil, agricultural product, air quality and human settlement
Threaten.But the low C/N ratios of anaerobic fermentation water outlet, content of beary metal height constrain the follow-up biological advanced treating of biogas slurry.Thus, visit
It is extremely urgent to seek biogas slurry further treatment technique that is effective, simple and having economy.
Microalgae has the characteristics that ecologicaI distribution is wide, be easy to culture and the speed of growth is fast.In process of production, microalgae can be realized
Production of energy, purification of waste water and C02The height joint of emission reduction, its production efficiency is high and does not strive water with striving with crops, can not only
Improve environment, can also obtain the environment increment energy and other high value added products, therefore, microalgae is considered as potential substitution
Oil turns into the biomass resource of production and transport fuel.
Biogas slurry is product of the breeding wastewater after anaerobic fermentation, rich in the necessary nitrogen of micro algae growth, phosphorus, potassium, copper, iron,
The elements such as zinc.The problems such as being demanded perfection urgently for biogas slurry complicated component, processing hardly possible and biogas slurry culture microalgae bioreactor with improving,
The utilization of resources and its denitrification dephosphorization technique of research and development cultivation biogas slurry pretreating process and biogas slurry pilot scale culture microalgae, will cultivate natural pond
Liquid processing and the production of biodiesel technology of algae are coupled, and are optimized microalgae bioreactor, are realized biogas slurry recycling, for solution
Certainly Pollution from livestock and poultry problem and Resources for construction economizing type, environmentally friendly new rural village provide good a technology and engineering
Example, there is universal dissemination to the processing of China's Pollution from livestock and poultry.
Utility model content
Technical problem to be solved in the utility model is：A kind of denitrogenation using microalgae recycling fermentation biogas slurry is provided to remove
Phosphorus processing system, the system can solve the problems, such as that industrial large-scale farming microalgae cost is high, to micro- while biogas slurry is purified
Algae production biodiesel serves certain facilitation.
Technical scheme used by the utility model：The denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry, this is
The biogas slurry treatment unit (1), both culturing microalgae unit (2) and algae that system includes being sequentially connected collect machining cell (3)；The biogas slurry
Processing unit (1) includes biogas slurry installation for fermenting (11), the first biogas slurry filter (12), the heavy metal flocculation plant being sequentially connected
And the second biogas slurry filter (14) (13)；The both culturing microalgae unit (2) includes the nutrient solution preparation facilities being sequentially connected
And micro-algae propagation device (22) (21)；The microalgae that the algae collects machining cell (3) and includes being sequentially connected obtains processing unit (plant)
And the 3rd biogas slurry filter (32) (31).
Preferably, the second biogas slurry filter (14) is connected with the nutrient solution preparation facilities (21).
Preferably, the micro-algae propagation device (22) obtains processing unit (plant) (31) with the microalgae and is connected.
Preferably, it is provided with return duct between the nutrient solution preparation facilities (21) and the 3rd biogas slurry filter (32)
Road (4).
Preferably, it is equipped with agitating device inside the biogas slurry installation for fermenting (11) and the heavy metal flocculation plant (13)
(6)。
Preferably, the biogas slurry installation for fermenting (11) is provided with passage (111) and biogas slurry entrance (112).
Preferably, it is provided with flow control meter between the nutrient solution preparation facilities (21) and the micro-algae propagation device (22)
(23)。
Preferably, the micro-algae propagation device (22) and the microalgae are provided with water pump between obtaining processing unit (plant) (31)
(33)。
Preferably, lighting device (221) and aerator (222) are provided with inside the micro-algae propagation device (22).
Preferably, the biogas slurry installation for fermenting (11), the heavy metal flocculation plant (13), the nutrient solution preparation facilities
(21) and the micro-algae propagation device (22) is equipped with draining valve (100).
Compared with prior art, the beneficial effects of the utility model are：The utility model by set biogas slurry treatment unit,
Both culturing microalgae unit and algae collect machining cell, realize the purification of biogas slurry and the coupling of microalgae oil-producing two systems, both gram
The limitation of the biodiesel technology phase separation of existing cultivation biogas slurry technology and algae has been taken, waste water can be become again as resource,
Biodiesel is produced while waste water is purified, realizes biogas slurry recycling；Specifically, microalgae using ferment biogas slurry it
Before, fermentation biogas slurry is pre-processed using heavy metal flocculation plant and filter assemblies, beneficial to the growth and breeding of microalgae, then passed through
Nutrient solution preparation facilities and micro-algae propagation installation optimization microalgae living environment, it is ensured that microalgae can be carried out using nutriment in biogas slurry
Growth and breeding, on the one hand, using the absorption during micro algae growth to nutriment in biogas slurry and then purify biogas slurry, the opposing party
Face, microalgae accumulate grease in vivo using the nutriment of absorption again, and biogas slurry recycling profit is realized while biogas slurry is purified
With；In addition, biogas slurry outlet is also connected by reflux line with nutrient solution preparation facilities, microalgae can be made repeatedly to utilize the battalion in biogas slurry
Foster material is bred, and realizes circularly purifying water quality and Cyclic culture microalgae.
Brief description of the drawings
Fig. 1 is the structural representation of the denitrogenation dephosphorizing processing system of the utility model microalgae recycling fermentation biogas slurry.
Embodiment
The technical solution of the utility model is further illustrated with reference to specific embodiment.
As shown in figure 1, the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry, the system include the natural pond being sequentially connected
Liquid processing unit (1), both culturing microalgae unit (2) and algae collect machining cell (3)；The biogas slurry treatment unit (1) include according to
The biogas slurry installation for fermenting (11) of secondary connection, the first biogas slurry filter (12), heavy metal flocculation plant (13) and the second biogas slurry mistake
Filter device (14)；The both culturing microalgae unit (2) includes the nutrient solution preparation facilities (21) and micro-algae propagation device being sequentially connected
(22)；The microalgae that the algae collects machining cell (3) and includes being sequentially connected obtains processing unit (plant) (31) and the filtering of the 3rd biogas slurry
Device (32).
In the technical solution of the utility model, the second biogas slurry filter (14) and the nutrient solution preparation facilities
(21) connect, the micro-algae propagation device (22) obtains processing unit (plant) (31) with the microalgae and is connected, and the nutrient solution prepares dress
Put and reflux line (4) is provided between (21) and the 3rd biogas slurry filter (32).
In the technical solution of the utility model, the biogas slurry installation for fermenting (11) and the heavy metal flocculation plant (13)
Inside is equipped with agitating device (6), and the biogas slurry installation for fermenting (11) is provided with passage (111) and biogas slurry entrance (112), described
Flow control meter (23), the micro-algae propagation dress are provided between nutrient solution preparation facilities (21) and the micro-algae propagation device (22)
Put and water pump (33) is provided between (22) and microalgae acquisition processing unit (plant) (31), is provided with inside the micro-algae propagation device (22)
Lighting device (221) and aerator (222), it is the biogas slurry installation for fermenting (11), the heavy metal flocculation plant (13), described
Nutrient solution preparation facilities (21) and the micro-algae propagation device (22) are equipped with draining valve (100).
For Tthe utility model system in specific works, fermentation biogas slurry enters biogas slurry installation for fermenting (11) from entrance (112), enters
One step carries out anaerobic and aerobic fermentation and stirred by agitating device (6) to accelerate the broken and macromolecular substances molten of particulate matter
Solution.The fermentation biogas slurry of biogas slurry installation for fermenting (11) outflow by the first biogas slurry filter (12) remove undissolvable solid and
Enter heavy metal flocculation plant (13) after microorganism, metal flocculant is added in heavy metal flocculation plant (13) and removes fermentation biogas
Heavy metal in liquid, the agitating device (6) in heavy metal flocculation plant (13) improve the removal efficiency of heavy metal.Then, natural pond
Liquid stream reclaims the heavy metal in flocculant and biogas slurry, gone through the second biogas slurry filter (14), the second biogas slurry filter (14)
After removing heavy metals, biogas slurry flows into nutrient solution preparation facilities (21), can carry out pH regulation in nutrient solution preparation facilities (21) or add
The breeding demand for adding other nutriments to make it meet microalgae.Microalgae flows into microalgae after nutrient solution preparation facilities (21) culture
Equipment for breeding (22), the culture of microalgae is carried out in (22), wherein lighting device (221) provides illumination, and aerator (222) is even
It is continuous to be passed through air.Processing unit (plant) (31) is obtained by microalgae collect microalgae after microdisk electrode maturation, then by the 3rd biogas slurry mistake
Filter the further microalgae collected in aqueous phase of device (32).Due to the nutrient such as N, P, K containing higher concentration in fermentation biogas slurry,
By microalgae once using the utilization for realizing resource can not be maximized, so backflow can be passed through after filter (32)
Pipeline (4) is back to nutrient solution preparation facilities (21) cultivating microalgae again, and the purification of biogas slurry had both been realized after repeatedly utilizing
The utilization of resource is realized again.Most discharged afterwards through drainage pipeline (5).
In the utility model, air enters quickening aerobic fermentation speed by passage (111) can also discharge biogas slurry hair
Gas caused by ferment device (11).
Draining valve (100) is acquisition biogas slurry installation for fermenting (11), heavy metal flocculation plant (13), nutrient solution preparation facilities
(21) and needed for micro-algae propagation device (22) water sample.
Fermentation biogas liquid stream in flow control meter (23) control nutrient solution preparation facilities (21) enters micro-algae propagation device (22)
Flow.
Algae solution in micro-algae propagation device (22) is transported to microalgae and obtained in processing unit (plant) (31) by water pump (33).
Embodiment 1
During specific implementation, the filter sizes of the biogas slurry filter are arranged to 0.45 micron.The biogas slurry installation for fermenting
Volume be 50 tons, the volume of the heavy metal flocculation plant is 8 tons, the volume of the nutrient solution preparation facilities is 6 tons, described
The volume of micro-algae propagation device is 50 tons and the pipeline flow can 4 ton days.
The detailed process of the present embodiment progress is described below in detail.
As shown in figure 1, exemplified by entering the biogas slurry 3-4 tons of the biogas slurry installation for fermenting (11) daily, the particle in biogas slurry
The solids such as thing be stirred in the biogas slurry installation for fermenting (11) device (6) stirring it is broken after, more tiny solid is further molten
Solution, its nutrient can be discharged into biogas slurry, and air is entered in biogas slurry installation for fermenting (11) by passage (111), can be accelerated
Aerobic fermentation speed；
Biogas slurry is after biogas slurry installation for fermenting (11) and the filtering of the first biogas slurry filter (12), due to the first biogas slurry mistake
A diameter of 0.45 micron of the filter membrane of device (12) is filtered, so the solid and microorganism in biogas slurry can not pass through filter membrane, it is impossible to pass through
The solid matter of filter membrane can discharge after Biochemical method.Enter heavy metal flocculation plant (13) through the aqueous phase of filter membrane,
The heavy metal added in heavy metal flocculation plant (13) in heavy metal flocculant removal fermentation biogas slurry, eliminates follow-up micro-algae propagation
When heavy metal to the inhibitory action of microalgae, the stirring of the agitating device (6) in heavy metal flocculation plant (13) serves quickening wadding
Solidifying agent and the reaction of heavy metal and the effect for the removal efficiency for improving heavy metal.Fermentation biogas slurry passes through heavy metal flocculation plant (13)
After processing, after being filtered by the second biogas slurry filter (14), aqueous phase, which is flowed into the nutrient solution preparation facilities (21), to be turned into
Nutrient solution needed for micro-algae propagation growth, its flow is 3 ton days, it is impossible to is filtered through the flocculant of filter membrane by the second biogas slurry
Device (14) recycling.PH is adjusted in the nutrient solution preparation facilities (21) or adds other required materials；
Nutrient solution in the nutrient solution preparation facilities (21) enters the micro-algae propagation device (22) by pipeline, is micro-
Algae propagation provide nutriment, its flow be 3 ton days, by lighting device (221) adjust micro algae growth needed for intensity of illumination with
Light To Dark Ratio, aeration time and flow are adjusted by aerator (222), promote micro algae growth.
Ripe microalgae and nutrient solution is pumped into the microalgae from the micro-algae propagation device (22) by pipeline and obtains processing
Device (31), its flow are 3 ton days, and the nutrient solution that the microalgae is obtained in processing unit (plant) (31) passes through the 3rd biogas slurry again
Filter (32), a diameter of 0.45 micron of filter membrane, the nutrient solution of transmission flow back to the nutrient solution preparation facilities by pipeline
(21), biogas slurry is made to obtain recycled for multiple times.Impervious microalgae collects processing and utilization.Biogas slurry reaches after recycled for multiple times
Discharged after to required water quality requirement by drainage pipeline (5).
The microalgae of processing unit (plant) (31) collection is obtained by the microalgae, by a series of dehydration, dries, extract and adds
Work operates, and the useful component extracted in microalgae grease and biomass is used, production biodiesel, feed, alcohol etc..
The core of the present embodiment, which is heavy metal flocculation plant and micro-algae propagation device being united, carries out algae
Cultivation, the growth of high concentration Heavy Metals on Algae have very big inhibitory action, after the processing of heavy metal flocculation plant, reduce
The inhibitory action of follow-up Heavy Metals on Algae growth, promotes the growth of microalgae.Nitrogen, phosphorus, potassium needed for algal grown breeding etc.
Nutrient arises directly from the fermentation biogas slurry after filtering, and fermentation biogas slurry can be with recycled for multiple times.Cultivate obtained algae
Biomass is after extraction, available for preparing the raw material of industry.Biogas slurry money is realized while ensureing to ferment biogas slurry advanced treating
Sourceization utilizes.
For those skilled in the art, technical scheme that can be as described above and design, make other each
Kind is corresponding to be changed and deforms, and all these change and deformed the guarantor that should all belong to the utility model claims
Within the scope of shield.
Claims (10)
- The denitrogenation dephosphorizing processing system of biogas slurry 1. microalgae recycling is fermented, it is characterised in that：The system includes the natural pond being sequentially connected Liquid processing unit (1), both culturing microalgae unit (2) and algae collect machining cell (3)；The biogas slurry treatment unit (1) include according to The biogas slurry installation for fermenting (11) of secondary connection, the first biogas slurry filter (12), heavy metal flocculation plant (13) and the second biogas slurry mistake Filter device (14)；The both culturing microalgae unit (2) includes the nutrient solution preparation facilities (21) and micro-algae propagation device being sequentially connected (22)；The microalgae that the algae collects machining cell (3) and includes being sequentially connected obtains processing unit (plant) (31) and the filtering of the 3rd biogas slurry Device (32).
- 2. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：It is described Second biogas slurry filter (14) is connected with the nutrient solution preparation facilities (21).
- 3. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：It is described Micro-algae propagation device (22) obtains processing unit (plant) (31) with the microalgae and is connected.
- 4. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：It is described Reflux line (4) is provided between nutrient solution preparation facilities (21) and the 3rd biogas slurry filter (32).
- 5. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：It is described Agitating device (6) is equipped with inside biogas slurry installation for fermenting (11) and the heavy metal flocculation plant (13).
- 6. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：It is described Biogas slurry installation for fermenting (11) is provided with passage (111) and biogas slurry entrance (112).
- 7. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：It is described Flow control meter (23) is provided between nutrient solution preparation facilities (21) and the micro-algae propagation device (22).
- 8. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：It is described Micro-algae propagation device (22) and the microalgae are provided with water pump (33) between obtaining processing unit (plant) (31).
- 9. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：It is described Lighting device (221) and aerator (222) are provided with inside micro-algae propagation device (22).
- 10. the denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry according to claim 1, it is characterised in that：Institute It is numerous to state biogas slurry installation for fermenting (11), the heavy metal flocculation plant (13), the nutrient solution preparation facilities (21) and the microalgae Grow device (22) and be equipped with draining valve (100).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720599235.6U CN207079126U (en) | 2017-05-26 | 2017-05-26 | The denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720599235.6U CN207079126U (en) | 2017-05-26 | 2017-05-26 | The denitrogenation dephosphorizing processing system of microalgae recycling fermentation biogas slurry |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381930A (en) * | 2017-05-26 | 2017-11-24 | 广东工业大学 | Denitrification dephosphorization system of the heavy metal flocculation joint energy microalgae to biogas slurry of fermenting |
| CN109928508A (en) * | 2019-04-25 | 2019-06-25 | 宁波大学 | A method of biogas slurry containing metal is handled using Dan Xingzao biomembrane adhere-wall culture |
| CN110128181A (en) * | 2019-06-14 | 2019-08-16 | 武汉益锦祥生物环保有限公司 | A kind of production method and process units of the phycomycete fertilizer based on biogas slurry |
| CN113044977A (en) * | 2021-03-24 | 2021-06-29 | 重庆大学 | Two-stage microorganism treatment method for antibiotic-containing pig raising wastewater |
-
2017
- 2017-05-26 CN CN201720599235.6U patent/CN207079126U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381930A (en) * | 2017-05-26 | 2017-11-24 | 广东工业大学 | Denitrification dephosphorization system of the heavy metal flocculation joint energy microalgae to biogas slurry of fermenting |
| CN109928508A (en) * | 2019-04-25 | 2019-06-25 | 宁波大学 | A method of biogas slurry containing metal is handled using Dan Xingzao biomembrane adhere-wall culture |
| CN110128181A (en) * | 2019-06-14 | 2019-08-16 | 武汉益锦祥生物环保有限公司 | A kind of production method and process units of the phycomycete fertilizer based on biogas slurry |
| CN113044977A (en) * | 2021-03-24 | 2021-06-29 | 重庆大学 | Two-stage microorganism treatment method for antibiotic-containing pig raising wastewater |
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