CN206736233U - A kind of photo-biological membrane reactor - Google Patents
A kind of photo-biological membrane reactor Download PDFInfo
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- CN206736233U CN206736233U CN201720365588.XU CN201720365588U CN206736233U CN 206736233 U CN206736233 U CN 206736233U CN 201720365588 U CN201720365588 U CN 201720365588U CN 206736233 U CN206736233 U CN 206736233U
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Abstract
A kind of photo-biological membrane reactor, the photo-biological membrane reactor include optical-biological reaction system, air distribution system and column air-dissolving air-float harvesting system.The reactor can realize microalgae deep purifying sewage.The membrane material of vertical hanging can utilize vertical space well；Membrane module is greatly improved gas-liquid mass transfer efficiency；The specific arrangement mode of curtain type film assembly farthest reduces the scattering loss of light, avoids energy loss, ensures that the microalgae efficient absorption on luminous energy envelope utilizes, realizes frustule light homogeneity；Microalgae can realize microalgae low cost green harvesting by simple and mechanical receipts scraping operation on film.Suspension microalgae can realize that the green air-dissolving air-float of low cost harvests by column air-dissolving air-float harvesting system, while can be by CO2Molten airway dysfunction is integrated into recovering device, and CO is realized by air distribution system and column air-dissolving air-float harvesting system in culture period2Enrichment incubation microalgae.
Description
Technical field
The utility model belongs to sewage treatment area, and in particular to a kind of photo-biological membrane reactor.
Background technology
Traditional wastewater processing is only handled sewage as a kind of discarded object, pollutant, and conventional processes, which exist, stops
Stay the problems such as time is long, treatment effeciency is low, power consumption is big and CO2 emissions are big.
Microalgae purification sewage has absolute advantage：Microalgae is simple in construction, and photosynthetic efficiency is high, and cultivation cycle is short；Microalgae has
There are the nutrients such as N, P in absorption, consumption water body environment and adsorb the function of heavy metal element；The photosynthesis of microalgae needs
Consume substantial amounts of CO2If by the CO of power plant emission2For the large-scale cultivation of microalgae, the emission reduction of greenhouse gases can be achieved
Deng.But purifying the harvest of microalgae after sewage turns into one of bottleneck problem, at present the main method of microalgae harvesting have filtering, centrifugation and
Flocculation etc..Filtration method production efficiency is very low, film easily blocks, regenerate or updates cost great number, and centrifugal process equipment cost is high, energy consumption
Greatly, large-scale application is not suitable for.
Membrane reactor is to add various fillers in the reactor so that attached growth of microorganisms makes it be formd on filler
The structure similar to film that one layer of biology is formed, such reactor are referred to as biofilm reactor.Biomembrance process has operation
Stabilization, stronger capacity of resisting impact load, more economical and energy saving, without sludge bulking problem the advantages that, have in sewage disposal
Very big potentiality.If utilize microalgae film process sewage, it is possible to achieve inexpensive mechanical harvesting microalgae.The microalgae to be suspended in liquid
Air supporting harvesting method can be used to realize low cost green harvesting, while can be by CO2Molten airway dysfunction is integrated into recovering device,
Culture period realizes CO2Enrichment incubation microalgae.
To realize utilization of wastewater resource and CO2Biological high-efficiency fix, solve the problems, such as microalgae individual it is small harvest it is difficult,
The utility model devises one kind and realizes that waste water advanced purifying, high-efficiency carbon dioxide are fixed and microalgae is inexpensive using microalgae technology
The photo-biological membrane reactor of harvesting.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of photo-biological membrane reactor.
The utility model is achieved through the following technical solutions.
A kind of photo-biological membrane reactor described in the utility model includes the floating harvest system of air distribution system (A), the molten gas-gas of column
System (B) and optical-biological reaction system (C).
The optical-biological reaction system (C) includes upper flume (13), membrane material suspension holdfast (21), lower flume (17), latent
Water pump (18), timer (19), membrane material (16), plant growth Led light sources (14) and machinery, which are received, scrapes microalgae device (15).Lower water
Groove (17) is connected by immersible pump (18) and pipeline with upper flume (13), timer (19) control immersible pump (18) work, upper water
Groove (13) bottom is provided with ostium excurrens (20), ostium excurrens (20) above membrane material (16), membrane material (16) vertical hanging in
On membrane material suspension holdfast (21).Plant growth Led light sources (14) provide illumination, and machinery receipts, which scrape microalgae device (15), can carry out machine
Tool is received and scrapes microalgae.Its course of work is：Liquid reaches upper flume (13) by immersible pump (18) in lower flume (17), then from going out
Water aperture (20) reaches membrane material (16), flows into lower flume (17), forms circulation, timer (19) control immersible pump (18) work
Make.Not only graywater nutrient carries out heterotrophic growth but also using plant growth Led light sources (14) and CO microalgae2Carry out from health
It is long, good growth is realized, microalgae can be scraped microalgae device (15) by machinery receipts and be realized with simple and mechanical receipts scraping operation most on caudacoria
Microalgae low cost green harvesting.
Membrane material (16) material is grid plastics, gauze+dividing plate, cotton, glass fabric, standard cotton cloth etc..
The air distribution system (A) includes air compressor (1), CO2Steel cylinder (2), gas flowmeter one (3), gas flow
Count two (4), distribution tank (5) and gas flow meter three (7).Air compressor (1), CO2Steel cylinder (2) respectively with distribution tank (5) phase
Even, distribution tank (5) is connected to the molten gas-gas of column by pipeline and floats harvesting system (B), gas flowmeter one (3), gas flowmeter
Two (4), gas flowmeter three (7) control gas flow.Its course of work is：By by air compressor (1), CO2Steel cylinder (2)
It is connected respectively with distribution tank (5), CO is controlled with gas flowmeter one (3)2Flow, gas flowmeter two (4) control air stream
Amount, obtains certain density CO2Mixed gas is simultaneously stored in distribution tank (5), and CO is controlled with gas flowmeter three (7)2Gaseous mixture
The flow of body, and be passed through the molten gas-gas of the column and float in harvesting system (B), efficiently it is dissolved in nutrient solution by microbubble plate (8)
In.
The molten gas-gas of column, which floats harvesting system (B), includes the floating harvest of water inlet (9), delivery port (6), the molten gas-gas of column
Device (10), microbubble plate (8).Microbubble plate (8) is placed in the bottom that the molten gas-gas of column floats harvesting apparatus (10), device upside
Left end is water inlet (9), and downside left end is delivery port (6), the upper and lower side of the device right-hand member upper water with optical-biological reaction system respectively
Groove (13), lower flume (17) are connected, and control current, bottom of device and distribution system with valve one (11) and valve two (12) respectively
The distribution tank (5) of system is connected.Culture period can realize CO2Nutrient solution efficiently is dissolved in, the CO of abundance is provided for microalgae photosynthesis2,
Harvest time can realize the green air-dissolving air-float harvesting microalgae biomass of low cost.
A kind of application of the photo-biological membrane reactor described in the utility model in sewage disposal, carbon sequestration and microalgae recovery,
According to the following steps：
A) sewage is injected into the molten gas-gas of column by water inlet (9) and floats harvesting apparatus (10), by 25%~30% inoculum concentration
Access microalgae.
B) plant growth Led light sources (14) are opened, open valve two (12), immersible pump is started by timer (19)
(18) sewage of microalgae, is vaccinated with to upper flume (13) conveying, sewage reaches film by the ostium excurrens (20) of upper flume (13)
Material (16), membrane material (16) absorb moisture, and microalgae is attached on membrane material (16), and the specific arrangement mode of membrane material (16) is most
The scattering loss of plant growth Led light sources (14) is reduced to big degree, ensures the microalgae efficient absorption profit on coating material (16)
With.
C) start air distribution system and the molten gas-gas of column floats harvesting system (B), culture period opens nutrient solution CO daily2Molten gas
For a period of time, harvest time opens the green harvesting microalgae function of air-dissolving air-float low cost to function.
D) harvest time, scrape microalgae device (15) by machinery receipts and realize that microalgae low cost green is adopted with simple and mechanical operation
Receive.
E) processing terminates, and the sewage treated from delivery port (6) discharge, water inlet (9) refills sewage, and utilizes film
The microalgae remained on material (16) is as seed.
The photo-biological membrane reactor operation signal period is 5~8 days, and the diving pump operation time is 20min, rest
Time is 60min, the culture period CO2The molten airway dysfunction opening time is daily 2~3 times, every time 5~20min, CO2Concentration is
2%~10%.
The utility model has the advantage of：
(1) both graywater nutrient carries out heterotrophic growth to microalgae, realizes waste water advanced purifying；Again using plant growth
The specific arrangement mode of Led light sources progress autophyting growth, Led light sources and curtain type film assembly farthest reduces the scattering damage of light
Consumption, energy loss is avoided, ensure that the microalgae efficient absorption on luminous energy envelope utilizes, solve the problems, such as the culture optical attenuation that suspends, realize
Frustule light homogeneity.
(2) membrane material vertical hanging, can utilize vertical space well, and microalgae can scrape behaviour by simple and mechanical receipts on film
Realize microalgae low cost green harvesting.Membrane module is greatly improved gas-liquid mass transfer efficiency and is advantageous in photosynthesis
Dissolved oxygen desorbs in time.
(3) air distribution system and the molten gas-gas of column, which float harvesting system, can ensure Xie Jiafu CO in the training period2Mode, interval
Property is by CO2Mixing air is passed through the molten gas-gas of pillar and floats harvesting system, is realized under high water pressure condition and greatly improves CO2In waste water
Dissolubility and help the efficient carbon sequestration of microalgae；Harvest time, air is passed through pillar gas-gas and floats harvesting system, microalgae small volume, pole
The microbubble escaped in microbubble plate is liable to stick to, then the molten gas-gas of column is floating to be received because bubble buoyancy effect microalgae is enriched in
The surface of system is obtained, realizes the microalgae biomass in the floating harvest suspension of the molten gas-gas of low cost green.
Brief description of the drawings
Fig. 1 is photo-biological membrane reactor front view of the present utility model.Wherein, 1 it is air compressor, 2 is CO2Steel cylinder, 3
For gas flowmeter one, 4 be gas flowmeter two, 5 be distribution tank, 6 be delivery port, 7 be that gas flowmeter three, 8 is microbubble
Plate, 9 be water inlet, 10 be that the molten gas-gas of column floats harvesting apparatus, 11 is that valve one, 12 is that valve two, 13 is upper flume, 14 is
Plant growth Led light sources, 15 be machinery receive scrape microalgae device, 16 be membrane material, 17 be lower flume, 18 be immersible pump, 19 be fixed
When device.A is air distribution system, B is that the molten gas-gas of column floats harvesting system, C is optical-biological reaction system.
Fig. 2 is the top view of the optical-biological reaction system (C) of photo-biological membrane reactor, represents point of membrane material and Led lamps
Cloth situation.14 it is plant growth Led light sources, 20 be ostium excurrens, 21 is membrane material suspension holdfast.
Fig. 3 is micro algae growth situation map on different membrane materials.22 be grid plastics, and 23 be gauze+dividing plate, and 24 be cotton,
25 glass fabrics, 26 be standard cotton cloth.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment.
Device described in the present embodiment includes air distribution system A, the molten gas-gas of column floats harvesting system B and optical-biological reaction system
Unite C.
The optical-biological reaction system C includes upper flume 13, membrane material suspension holdfast 21, lower flume 17, immersible pump 18, fixed
When device 19, membrane material 16, plant growth Led light sources 14 and machinery receive scrape microalgae device 15.Lower flume 17 by immersible pump 18 and
Pipeline is connected with upper flume 13, and timer 19 controls immersible pump 18 to work, and the bottom of upper flume 13 is provided with ostium excurrens 20, and water outlet is small
Hole 20 is above membrane material 16, and the vertical hanging of membrane material 16 is on membrane material suspension holdfast 21.Plant growth Led light sources 14 provide
Illumination, machinery receive scrape microalgae device 15 can carry out machinery receive scrape microalgae.Its course of work is：Liquid passes through diving in lower flume 17
Pump 18 reaches upper flume 13, then reaches membrane material 16 from ostium excurrens 20, flows into lower flume 17, forms circulation, timer 19
Control immersible pump 18 works.Not only graywater nutrient carries out heterotrophic growth but also using the He of plant growth Led light sources 14 microalgae
CO2Autophyting growth is carried out, realizes good growth, microalgae can scrape microalgae device 15 with simple and mechanical receipts by machinery receipts most on caudacoria
Scraping operation realizes microalgae low cost green harvesting.
The material of membrane material 16 is grid plastics, gauze+dividing plate, cotton, glass fabric, standard cotton cloth etc..
The air distribution system A includes air compressor 1, CO2Steel cylinder 2, gas flowmeter 1, gas flowmeter 24, match somebody with somebody
The and gas flow meter 37 of gas tank 5.Air compressor 1, CO2Steel cylinder 2 is connected with distribution tank 5 respectively, and distribution tank 5 is connected by pipeline
It is connected to the molten gas-gas of column and floats harvesting system B, gas flowmeter 1, gas flowmeter 24, gas flowmeter 37 controls gas
Flow.Its course of work is：By by air compressor 1, CO2Steel cylinder 2 is connected with distribution tank 5 respectively, uses gas flowmeter
One 3 control CO2Flow, gas flowmeter 24 control air mass flow, obtain certain density CO2Mixed gas is simultaneously stored in distribution
In tank 5, CO is controlled with gas flowmeter 372The flow of mixed gas, and be passed through the molten gas-gas of the column and float harvesting system B
In, efficiently it is dissolved in by microbubble plate 8 in nutrient solution.
The molten gas-gas of column, which floats harvesting system B, includes the floating harvesting apparatus of water inlet 9, delivery port 6, the molten gas-gas of column
10th, microbubble plate 8.Microbubble plate 8 is placed in the bottom that the molten gas-gas of column floats harvesting apparatus 10, and left end is water inlet on the upside of device
9, downside left end is delivery port 6, the upper and lower side of device the right-hand member upper flume 13 with optical-biological reaction system, the phase of lower flume 17 respectively
UNICOM, control current with valve 1 and valve 2 12 respectively, the distribution tank 5 of bottom of device and air distribution system is connected.Culture
Phase can realize CO2Nutrient solution efficiently is dissolved in, the CO of abundance is provided for microalgae photosynthesis2, harvest time can be realized inexpensive green molten
Gas air supporting harvesting microalgae biomass.
Application of the utility model in Wastewater from Pig Farm processing.
Wastewater from Pig Farm is injected into the molten gas-gas of column by water inlet 9 and floats harvesting apparatus 10, is accessed by 25% inoculum concentration small
Ball algae；Plant growth Led light sources 14 are opened, open valve 2 12, immersible pump 18 are started by timer 19, into upper flume 13
Conveying is vaccinated with the sewage of microalgae, and sewage reaches membrane material 16 by the ostium excurrens 20 of upper flume, and membrane material absorbs moisture, micro-
Algae is attached on membrane material, and the specific arrangement mode of membrane material farthest reduces the scattering loss of plant growth Led light sources,
Ensure that the microalgae efficient absorption on envelope utilizes, dive under water pump work 20min, rest 60min；Start air distribution system A and column is molten
Gas-gas floats harvesting system B, opens nutrient solution CO daily within the 1st~4 day2Molten airway dysfunction 2 times, each 10min so that 5%CO2Borrow
Microbubble plate 8 is helped efficiently to be dissolved in nutrient solution.Terminate culture within 5th day, microalgae device 15 is scraped with simple and mechanical behaviour by machinery receipts
Microalgae low cost green harvesting is realized, harvesting microalgae concentration is up to 5.65 ± 0.49g/L；Open air supporting low cost green harvest
Microalgae function, harvest the microalgae biomass in suspension；Clear water, COD, total phosphorus, total nitrogen, ammonia nitrogen are discharged from delivery port 6
Clearance refills sewage respectively up to 95.67%, 64.40%, 69.55% and 91.24%, using being remained on membrane material 16
Microalgae enter next process cycle as seed.
Claims (2)
- A kind of 1. photo-biological membrane reactor, it is characterized in that floating harvesting system (B) and light including air distribution system (A), the molten gas-gas of column Bio-reaction system (C)；The optical-biological reaction system (C) includes upper flume (13), membrane material suspension holdfast (21), lower flume (17), immersible pump (18), timer (19), membrane material (16), plant growth Led light sources (14) and machinery, which are received, scrapes microalgae device (15)；Lower flume (17) it is connected by immersible pump (18) and pipeline with upper flume (13), timer (19) control immersible pump (18) work, upper flume (13) bottom is provided with ostium excurrens (20), and ostium excurrens (20) is above membrane material (16), and membrane material (16) vertical hanging is in film On material suspension holdfast (21)；Plant growth Led light sources (14) provide illumination, and machinery receipts, which scrape microalgae device (15), can carry out machinery Receipts scrape microalgae；The air distribution system (A) includes air compressor (1), CO2Steel cylinder (2), gas flowmeter one (3), gas flowmeter two (4), distribution tank (5) and gas flow meter three (7)；Air compressor (1), CO2Steel cylinder (2) is connected with distribution tank (5) respectively, matches somebody with somebody Gas tank (5) is connected to the molten gas-gas of column by pipeline and floats harvesting system (B), gas flowmeter one (3), gas flowmeter two (4), gas flowmeter three (7) control gas flow；The molten gas-gas of column, which floats harvesting system (B), includes the floating harvesting apparatus of water inlet (9), delivery port (6), the molten gas-gas of column (10), microbubble plate (8)；Microbubble plate (8) is placed in the bottom that the molten gas-gas of column floats harvesting apparatus (10), device upside left end For water inlet (9), downside left end is delivery port (6), the upper and lower side of the device right-hand member upper flume with optical-biological reaction system respectively (13), lower flume (17) is connected, and controls current, bottom of device and air distribution system with valve one (11) and valve two (12) respectively Distribution tank (5) be connected.
- A kind of 2. photo-biological membrane reactor according to claim 1, it is characterized in that the membrane material (16) material is grid Plastics, gauze+dividing plate, cotton, glass fabric or standard cotton cloth.
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| CN201720365588.XU CN206736233U (en) | 2017-04-10 | 2017-04-10 | A kind of photo-biological membrane reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012072A (en) * | 2017-04-10 | 2017-08-04 | 南昌大学 | A kind of photo-biological membrane reactor and the application in sewage disposal, carbon sequestration and microalgae recovery |
| CN109879443A (en) * | 2019-04-16 | 2019-06-14 | 西北农林科技大学 | A kind of facultative microalgae photobiological reactor sewage purification system and method |
| CN110317711A (en) * | 2019-07-11 | 2019-10-11 | 湖北盛齐安生物科技股份有限公司 | The equipment induced cell apoptosis and its method for promoting cell to discharge vesica |
| CN113512489A (en) * | 2021-07-08 | 2021-10-19 | 南京农业大学 | Flash illumination type microalgae biofilm reactor and microalgae culture method |
-
2017
- 2017-04-10 CN CN201720365588.XU patent/CN206736233U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012072A (en) * | 2017-04-10 | 2017-08-04 | 南昌大学 | A kind of photo-biological membrane reactor and the application in sewage disposal, carbon sequestration and microalgae recovery |
| CN107012072B (en) * | 2017-04-10 | 2023-10-31 | 南昌大学 | Optical biomembrane reactor and application thereof in sewage treatment, carbon fixation and microalgae collection |
| CN109879443A (en) * | 2019-04-16 | 2019-06-14 | 西北农林科技大学 | A kind of facultative microalgae photobiological reactor sewage purification system and method |
| CN110317711A (en) * | 2019-07-11 | 2019-10-11 | 湖北盛齐安生物科技股份有限公司 | The equipment induced cell apoptosis and its method for promoting cell to discharge vesica |
| CN113512489A (en) * | 2021-07-08 | 2021-10-19 | 南京农业大学 | Flash illumination type microalgae biofilm reactor and microalgae culture method |
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Granted publication date: 20171212 Termination date: 20180410 |