CN104787892A - Closed ecological treatment system for microalgae wastewater in nano biological membrane - Google Patents
Closed ecological treatment system for microalgae wastewater in nano biological membrane Download PDFInfo
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Abstract
The invention discloses a closed ecological treatment system for microalgae wastewater in a nano biological membrane. The closed ecological treatment system comprises a closed microalgae culture system, a microalgae separator, a first-stage microalgae collector, a circulating pump, a first valve, a second-stage microalgae collector, an exhaust port, a second valve and an aeration tank, wherein the closed microalgae culture system is an elliptical ring encircled by the nano biological membrane and is positioned in the aeration tank, one end of the closed microalgae culture system is connected with the microalgae separator through the first valve, and the other end of the closed microalgae culture system is connected with the circulating pump through the second valve; the microalgae separator is a double-pipeline mechanism, a first pipeline is connected with the first-stage microalgae collector below the microalgae separator, and a second pipeline is connected with the exhaust port; the lower end of the first-stage microalgae collector is thicker than the upper end and is connected with the second-stage microalgae collector; the upper end of the first-stage microalgae collector is connected with the closed microalgae culture system through the circulating pump and the second valve. The closed ecological treatment system for the microalgae wastewater in the nano biological membrane is simple in structure and easy to implement, wastewater can be purified in the whole process, the breeding and the growth of diatoms in an ecological water system are promoted, and new biomass energy is formed.
Description
Technical field: the present invention relates to a kind of sewage micro-algae biomembrane purification system, especially a kind of with in aeration tank, by micro-algae, by organic by nano biological membranous system in sewage, under photosynthetic condition, complete organic matter degradation and microdisk electrode dirt, the algae of output utilizes again as biomass energy, whole process can realize biogas and pyrolysis gas recycling, belongs to field of environmental technology.
Background technology: Organic Chemical Plant and organic additive factory are in occupation of consequence in petrochemical enterprise, and its product is chemical reagent, chemical industry intermediates mainly, or the monomer producing synthetic materials, indispensable on petrochemicals chain.This kind of high-concentration organic chemical-industrial sewage water quality is complicated, pollutant kind is many, the COD content of sewage is high (majority can reach several thousand to tens0000), pH value change greatly, and intermittently discharged, change of water quality is large, and be difficult to directly adopt independent materialization or biochemical technology process, this high-concentration organic chemical-industrial sewage is mixed in oil refining sewerage always and handles together or process in the mode of concentrated outward transport by petroleum chemical enterprise.
Summary of the invention: for the shortcoming of above-mentioned prior art, the invention provides and a kind ofly can process micro-algae sewage ecological treatment system in airtight nano biological film that organic chemical industry sewage can cultivate again micro-algae.
For achieving the above object, the technical solution used in the present invention is: micro-algae sewage ecological treatment system in airtight nano biological film, comprises airtight microalgae culture system, micro-algae separator, micro-algae one-level collector, recycle pump, the first valve, micro-algae secondary collector, venting port, the second valve, aeration tank.Airtight microalgae culture system is the elliptical ring that nano biological film surrounds, and it is in aeration tank, and its one end connects micro-algae separator by the first valve, and the other end is connected with recycle pump by the second valve.Micro-algae separator is dual circuit mechanism, and its pipeline one connects micro-algae one-level collector below, and pipeline two connects with venting port.The lower end of micro-algae one-level collector is thicker than upper end, and its lower end is connected with micro-algae secondary collector.The upper end of micro-algae one-level collector is connected with airtight microalgae culture system with the second valve by recycle pump.
Structure of the present invention is simple, is easy to realize, and whole process implementation the dirty water decontamination handles promotes again the Growth and Reproduction of diatom in water ecosystem, forms new biomass energy.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
As shown in Figure 1: micro-algae sewage ecological treatment system in airtight nano biological film, airtight microalgae culture system 2, micro-algae separator 3, micro-algae one-level collector 4, recycle pump 5, first valve 9, micro-algae secondary collector 7, venting port 8, second valve 6, aeration tank 10 is comprised.Airtight microalgae culture system 2 is the elliptical ring that nano biological film 1 surrounds, and it is in aeration tank 10, and its one end connects micro-algae separator 3 by the first valve 9, and the other end is connected with recycle pump 5 by the second valve 6.Micro-algae separator 3 is dual circuit mechanism, and its pipeline one connects micro-algae one-level collector 4 below, and pipeline two connects with venting port 8.The lower end of micro-algae one-level collector 4 is thicker than upper end, and its lower end is connected with micro-algae secondary collector 7.The upper end of micro-algae one-level collector 4 is connected with airtight microalgae culture system 2 with the second valve 6 by recycle pump 5.
Each component function:
1, nano biological film: a kind of microbial film of nano molecular structure, can allow the organic matter in water body and carbonic acid gas enter in airtight microalgae culture system, and microalgae can not film out.
2, airtight microalgae culture system: the system of carrying out microdisk electrode in nano biological film.
3, micro-algae separator: micro-algae separator is dual circuit mechanism, its pipeline together below the link of micro-algae one-level collector, pipeline two is with venting port link, and object gets rid of the oxygen being adsorbed on micro-algae surface of micro-algae output in culturing process.
4, micro-algae one-level collector: it is thick that micro-algae one-level collector presents lower body, upper body straight tube designs, and object realizes micro-algae to present inrichment below, and micro-algae of high density exists micro-algae one-level collector bottom.
5, recycle pump: micro-algae lower for the concentration on micro-algae one-level collector top is pumped into back in airtight microalgae culture system as micro-algae " seed ".
6, the second valve: the micro-algae controlling the concentration on micro-algae one-level collector top lower is flowed back in airtight microalgae culture system under the help of recycle pump again as micro-algae " seed ".
7, micro-algae secondary collector: the collection device that micro-algae is final, by twice enrichment, obtains the micro-algae of high density;
8, venting port: the device being adsorbed on the oxygen on micro-algae surface getting rid of micro-algae output in culturing process;
9, the first valve: control, when algal grown is ripe, when quantity is more, to allow cultured algae liquid flow into the valve of micro-algae separator.
10, aeration tank: the reaction tank of sewage aerobic process.
Workflow:
1, in aeration tank 10, in airtight microalgae culture system 2, microdisk electrode is carried out, the organic matter in aeration tank 10 and utilized the carbon dioxide of institute's output to enter airtight microalgae culture system 2 by nano biological film 1 by microorganism after aeration by nano biological film 1;
2, under the effect of illumination, complete photosynthesis, micro-algae absorbs and enters organic matter in the sewage of airtight microalgae culture system 2 and carbon dioxide by nano biological film 1, completes algal grown;
3, when algal grown is ripe, when quantity is more, open the first valve 9, allow cultured algae liquid flow into micro-algae separator 3;
4, micro-algae separator 3 is dual circuit mechanism, its pipeline together below micro-algae one-level collector 4 link, pipeline two links with venting port 8, and object gets rid of the oxygen being adsorbed on micro-algae surface of micro-algae output in culturing process;
5, to present lower body thick for micro-algae one-level collector 4, upper body straight tube design, object realizes micro-algae to present inrichment below, and micro-algae of high density exists micro-algae one-level collector 4 bottom, micro-algae after enrichment enters micro-algae secondary collector 7 and carries out secondary enrichment, is convenient to the micro-algae of results high density;
6, micro-algae that the concentration on micro-algae one-level collector 4 top is lower, is again flowed back in airtight microalgae culture system 2 by unlatching second valve 6 as micro-algae " seed " under the help of recycle pump 5, and in the airtight nano biological film of a beginning new round, micro-algae sewage is cultivated.
Claims (1)
1. micro-algae sewage ecological treatment system in airtight nano biological film, is characterized in that: comprise airtight microalgae culture system, micro-algae separator, micro-algae one-level collector, recycle pump, the first valve, micro-algae secondary collector, venting port, the second valve, aeration tank; Airtight microalgae culture system is the elliptical ring that nano biological film surrounds, it is in aeration tank, its one end connects micro-algae separator by the first valve, the other end is connected with recycle pump by the second valve, micro-algae separator is dual circuit mechanism, its pipeline one connects micro-algae one-level collector below, pipeline two connects with venting port, the lower end of micro-algae one-level collector is thicker than upper end, its lower end is connected with micro-algae secondary collector, and the upper end of micro-algae one-level collector is connected with airtight microalgae culture system with the second valve by recycle pump.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800722A (en) * | 2021-10-09 | 2021-12-17 | 沈阳航空航天大学 | Method for co-producing methane-bio-oil by coupling domestic sewage anaerobic digestion with microalgae culture |
| CN114100361A (en) * | 2021-11-03 | 2022-03-01 | 中国科学院武汉岩土力学研究所 | Aeration tank CO of sewage treatment plant2Trapping and utilizing system |
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2015
- 2015-03-27 CN CN201510140461.3A patent/CN104787892B/en not_active Expired - Fee Related
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| JPH06133757A (en) * | 1992-10-26 | 1994-05-17 | Mitsubishi Heavy Ind Ltd | Device for photosynthetic reaction of fine alga |
| CN101767893A (en) * | 2010-02-11 | 2010-07-07 | 清华大学 | Device and method for coupling producing biological oil by utilizing microalgae to deeply treating wastewater |
| KR20140027793A (en) * | 2012-08-27 | 2014-03-07 | 한국과학기술연구원 | Apparatus and method for cultivating micro-algae with anaerobic digestion vessel and membrane bio-reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113800722A (en) * | 2021-10-09 | 2021-12-17 | 沈阳航空航天大学 | Method for co-producing methane-bio-oil by coupling domestic sewage anaerobic digestion with microalgae culture |
| CN114100361A (en) * | 2021-11-03 | 2022-03-01 | 中国科学院武汉岩土力学研究所 | Aeration tank CO of sewage treatment plant2Trapping and utilizing system |
| CN114100361B (en) * | 2021-11-03 | 2022-09-23 | 中国科学院武汉岩土力学研究所 | Sewage treatment plant aeration tank CO 2 Trapping and utilizing system |
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