CN107475090B - A kind of tidal type bioreactor - Google Patents
A kind of tidal type bioreactor Download PDFInfo
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- CN107475090B CN107475090B CN201710852942.6A CN201710852942A CN107475090B CN 107475090 B CN107475090 B CN 107475090B CN 201710852942 A CN201710852942 A CN 201710852942A CN 107475090 B CN107475090 B CN 107475090B
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Abstract
The invention discloses a kind of tidal type bioreactors, belong to microdisk electrode technical field.Including wastewater fermentation unit, fermentation is stirred to the waste water collected in cavity inside it, obtains micro algae culturing liquid;Culture solution cycling element, including culture solution circular chamber collect the culture solution in its closed culture solution circular chamber;Microdisk electrode unit, including microdisk electrode room, microdisk electrode room bottom surface level height is not less than culture solution circular chamber top level elevation, interior to be equipped with several spaced apart filter clothes;Linker is equipped between the bottom of microdisk electrode room and the bottom of culture solution circular chamber;And gas collection unit, including air pump and gas tank, gas tank are collected wastewater fermentation process generates in wastewater fermentation unit mixed gas by air pump and are stored;Air pump is respectively communicated with the top of microdisk electrode room and microdisk electrode room, and gas tank is connected to microdisk electrode room bottom.The present invention realizes the integration of algae culture, collection and wastewater fermentation by tide simulation.
Description
Technical field
The present invention relates to microdisk electrode technical field, especially a kind of tidal type bioreactor.
Background technique
Microalgae is photosynthetic autotrophs biology, is widely distributed in tellurian fresh water, ocean and various soil, has growth
Rapidly, photosynthetic efficiency is high, adaptable and the features such as pass through vegetative propagation.Microalgae can be using luminous energy, CO2, organic in waste water
The substances such as carbon, ammonia nitrogen, organic phosphorus are carbon source, nitrogen source and phosphorus source, and adsorb heavy metal purification waste water;Also it can absorb in atmosphere
The gases such as CO2 generate O2 and purify air as own metabolism carbon source;Contain a variety of high added value biological active matters in microalgae simultaneously
Matter, such as polyunsaturated fatty acid, algal polysaccharides, algocyan, astaxanthin, carrotene have antibiotic, anti-cardiovascular disease
Medical values and the healthcare functions such as disease, strengthen immunity, antitumor, anti-radiation, anti-mutation and anti-AIDS, to human diseases
It prevents, treats and healthcare function.Microalgae is as industries such as feed, medical treatment, bioengineering, food, light industry, bio-fuels
Important source material, industrialization production are more paid attention to by people with utilization.
Micro-algae large-scale culture is an important factor for restricting microalgae industrialized development.Microalgae can be with sewage and industrial waste gas
Processing combines, and high assignments substance is synthesized while handling sewage and industrial waste gas, reduces toxigenic capacity.Culture microalgae at present
Bioreactor such as column, tubulose, flat, compound, bionical tower, film pocket type, optical fiber type etc., Neng Gouli
The reactor for carrying out microdisk electrode and harvest with breeding wastewater, city domestic sewage and industrial wastewater is also seldom, and the present invention will give up
Culture medium of the water by fermentation as microalgae, CO2 in ferment produced biogas and air as carbon source, purification waste water, absorption CO2 it is same
When, O2 is generated, and harvest the biomass of algae.
Authorization Notice No. is that the patent of invention of CN105018336A discloses a kind of photo-biological using waste water culture microalgae
Reactor, the reactor are tank body, divide upper layer and lower layer, and lower layer is used for the fermentation of waste water, and biogas residue is excluded from bottom after fermentation, biogas slurry
Algae is cultivated on boosted pump spray to the filter cloth of algae apposition growth, produced CO2, the collecting methane total algae into gas tank of fermenting
It absorbs.The reactor using after wastewater fermentation fermentation liquid and CO2 as the culture medium of microalgae and carbon source, realize wastewater fermentation
With the integration of microdisk electrode, the toxigenic capacity of microalgae is reduced, microalgae is made to make full use of the nutrient in waste water.
Authorization Notice No. is that the patent of invention of CN103922548A discloses a kind of high oily microalgae of utilization sanitary wastewater culture
Bioreactor, which is made of hydrolysis acidification pool, secondary settling tank I, secondary settling tank II, microalgae culture pool, and waste water passes through water
Solution acidification pool enhances its biodegradability, completes muddy water 4 into secondary settling tank and separates, in microalgae culture pool, passes through the continuously side of culture
High oily microalgae is turned out in the optimization of formula and condition of culture.
Authorization Notice No. is that the patent of invention of CN105462807A discloses a kind of assorted formula tubulation bioreactor of gas, should
Reactor includes reactor body, aerating system and optional parameter detecting and control system, reactor body include two with
Upper transparent vertical pipe placed side by side realizes the agitation of algae and the mixing of CO2 gas by gas lift, and hydrodynamic shear is small,
Gas Liquid Mass Transfer Coefficient is high, and the tubulation being disposed vertically improves specific surface area of illumination etc. feature.
Currently, research direction is mainly the lotus root of the cultural method and different Waste types and different microalgae type of probing into microalgae
It closes, for how to realize the integrated production of waste liquid fermentation with microdisk electrode, recycling, concern is less, therefore, it is necessary to propose one
The novel tidal type bioreactor of kind produces to realize that waste liquid ferments with microdisk electrode integration, is produced into reduce
This, purifies waste water.
Summary of the invention
Goal of the invention of the invention is, in view of the above-mentioned problems, providing a kind of tidal type bioreactor, passes through simulation tide
Nighttide realizes the integration of algae culture, collection and wastewater fermentation, while having saved microdisk electrode cost, purifies water and empty
Gas, while harvesting a large amount of algal biomass.
In order to achieve the above objectives, the technical scheme adopted by the invention is that:
A kind of tidal type bioreactor, including
Wastewater fermentation unit is stirred fermentation to the waste water collected in cavity inside it, obtains micro algae culturing liquid;
The culture solution is collected and is recycled in its closed culture solution by culture solution cycling element, including culture solution circular chamber
In room;
Microdisk electrode unit, including microdisk electrode room, microdisk electrode room bottom surface level height are followed not less than culture solution
Ring casing top level elevation is equipped with several spaced apart filter clothes in microdisk electrode room;The bottom of the microdisk electrode room and training
Linker is equipped between the bottom of nutrient solution circular chamber;And
Gas collection unit, including air pump and gas tank, the gas tank collect wastewater fermentation mistake in wastewater fermentation unit by air pump
The mixed gas of journey generation is simultaneously stored;The air pump is respectively communicated with the top of microdisk electrode room and microdisk electrode room, described
Gas tank is connected to microdisk electrode room bottom;
Wherein, the culture solution cycling element is pressurizeed by the air pump of gas collection unit and gives culture solution in it by linker
Enter to microdisk electrode unit, the air pump work stopping;The mixed gas of collection is sent into microalgae by the gas tank of gas collection unit simultaneously
Unit is cultivated, culture solution so recycles several weeks by self weight through linker reflux culture solution circulating tank in microdisk electrode unit
Phase.
In above-mentioned apparatus, wastewater fermentation unit is stirred continuously, institute of fermenting for carrying out the fermentation of waste water in fermentation process
CO2, the biogas of generation import gas tank storage, for used in algal grown;Produced biogas slurry makes culture solution import culture solution circulation list
Member, culture solution cycling element pressurize by air pump, and culture solution is pressed into microdisk electrode room by linker, is submerged appended by microalgae
Filter cloth;Later, air pump supplies culture solution circular chamber and closes, and air valve is opened in culture solution circular chamber, in microdisk electrode room
Culture solution due to gravity, flow slowly into circular chamber, complete a tide process, loop back and forth like this, tide simulation,
Realize the adhesion type culture of microalgae.
Preferably, the wastewater fermentation unit and culture solution cycling element are an integral structure, and wastewater fermentation unit position
Above culture solution cycling element, and microdisk electrode unit horizontal height be higher than culture solution cycling element, wastewater fermentation unit and
Culture solution cycling element frame structure is mixed mud structure.This sample device can satisfy various scales and construction needs.
Preferably, the wastewater fermentation unit includes wastewater fermentation tank, is equipped with blender in wastewater fermentation tank;The culture
Liquid cycling element includes culture solution circulating tank, and the inner cavity of culture solution circulating tank constitutes the culture solution circular chamber;The microalgae training
Feeding unit includes microdisk electrode tank, and the inner cavity of microdisk electrode tank constitutes the microdisk electrode room;The wastewater fermentation tank connection peace
Upper end is recycled mounted in culture solution;Catheter is equipped between the wastewater fermentation tank and culture solution circulating tank;The microdisk electrode
Tank level height is higher than the culture solution circulating tank, passes through company between the culture solution circulation pot bottom and microdisk electrode pot bottom
Logical device connection.
Above-mentioned wastewater fermentation tank, culture solution circulating tank material be light screening material, can for PVC, shading plastics, aluminium alloy,
Stainless steel etc..Earlier fermentation is better homogeneous fermentation, the stirring of agitating paddle uniform speed slow, later period stopping stirring in wastewater fermentation tank
It standing, produced biogas residue is precipitated to wastewater fermentation pot bottom after fermentation, and it is spare in the produced gas importing gas tank that ferments, for algal grown
Used, produced biogas slurry imports culture solution circulating tank for micro algae growth.
Preferably, the wastewater fermentation tank is equipped with filtration system, and the filtration system includes leading slag pipe, peristaltic pump, natural pond
Slag collecting tank and return pipe, described slag pipe one end of leading are located at bottom in wastewater fermentation tank, and the other end is located on the outside of wastewater fermentation tank
And connect peristaltic pump;Filter device is equipped in the biogas residue collecting tank, biogas residue collecting tank one end connects the water outlet of peristaltic pump, separately
One end is connected to the inlet of wastewater fermentation tank by return pipe.Produced biogas residue of fermenting is passed through by precipitating in wastewater fermentation pot bottom
Peristaltic pump exclusion is crossed, the biogas residue of discharge is filtered through filter device, and gained filtrate enters inlet by return pipe gravity flow, and biogas residue is returned
Receipts do bio-fertilizer raw material.
It preferably, further include heat conductive rod, described heat conductive rod one end is located at the bottom in wastewater fermentation tank, and the other end is located at training
In nutrient solution circulating tank.Fermentation institute's heat production can be directed into the culture solution in circular chamber by Heat Conduction Material, for micro algae growth.
Preferably, the heat conductive rod is a kind of or several by Heat Conduction Material copper, aluminium, silica gel piece, graphene or honeycomb pass graphite
Kind combination is made.
Preferably, wastewater fermentation tank lower end in tapered setting and is embedded at the top of culture solution circulating tank;It is described to lead
Liquid pipe is located at the tapered lower end that wastewater fermentation tank one end is higher than the wastewater fermentation tank, and the other end is located at culture solution circulating tank
Interior middle part;It is equipped with filter device in the catheter, is from top to bottom followed successively by fine fack, sponge, active carbon, sea in filter device
Tender fine fack.Filter device can also have the membrane structure of pore structure for fine fack, sponge, polyethylene filter membrane, active carbon etc.
Or the combination of adsorbent material.The produced biogas slurry of wastewater fermentation tank imports circular chamber by catheter by filter device in catheter
For micro algae growth, filter device can filter suspended particulate and impurity in biogas slurry, obtain preferable culture solution.
Preferably, one end that the linker is located at culture solution circulating tank is higher than culture solution and recycles pot bottom, the culture
Liquid recycles pot bottom and is equipped with water outlet.Culture solution circulation pot bottom can deposit microalgae residue, and linker is located at culture solution circulating tank
One end be higher than its bottom can be recycled to avoid microalgae residue, influence micro algae growth in microdisk electrode tank.
Preferably, for the air pump by being connected at the top of air inlet pipe and culture solution circulating tank, air pump passes through gas-guide tube and waste water
Connection at the top of fermentor, air pump are connected to by escape pipe with microdisk electrode pot bottom;Gas is equipped at the top of the culture solution circulating tank
Valve.The gases such as CO2 caused by fermenting first are collected into gas tank, then are imported into microdisk electrode room by air pump;Wherein, it ferments
Generated gas main component is CO2 and methane, and after microalgae has absorbed CO2, remaining gas is discharged through exhaust outlet.
Preferably, it is equipped with the microdisk electrode pedestal being arranged along center axis thereof in the microdisk electrode tank and is arranged in microalgae
The filter cloth on pedestal is cultivated, microdisk electrode pedestal bottom end is mounted on bottom in microdisk electrode tank, and and microalgae by bracket
Gap is formed on bottom in culture tank;The linker connect one end with microdisk electrode tank and is located at below microdisk electrode pedestal bottom end,
And floatable hollow piston is placed in linker;The microdisk electrode pedestal is equipped with glass-vacuum tube, glass along center axis thereof
Fluorescent lamp is equipped in glass vacuum tube, interval setting is used for the aluminium alloy iron sheet of shading between glass-vacuum tube and fluorescent lamp.
Due to the adoption of the above technical scheme, the invention has the following advantages:
1. the present invention can be divided into three parts, wastewater fermentation is carried out in wastewater fermentation unit, obtains carbon dioxide and methane gas
Body is stored in gas tank by gas-guide tube and provides carbon source to microalgae, and fermentation liquid is used as the culture medium of algal grown, produced natural pond of fermenting
Slag is excluded by peristaltic pump, is back to inlet through return pipe by filtrate obtained by filter device, biogas residue recycling is used as bio-fertilizer
Raw material, the produced heat that ferments by Heat Conduction Material be used for culture medium opposite heated at constant temperature, realized by tide simulation micro-
The infiltration and growth of frustule, wastewater fermentation and microdisk electrode and collection are combined, while purifying waste water
Culture and harvest have the algae of high assignments bioactive substance, and absorb CO2 and release oxygen, have purified air, effectively
Reduce the toxigenic capacity during micro algae growth.
2. the present invention is provided with linker between microdisk electrode room and culture solution circular chamber, pressurizes and be connected to by air pump
Device effect realizes the tidal type variation of culture medium, and shearing force is more much smaller than fountain, guarantees the adhesion type growth of algae;It is built-in
The annular design of shading aluminium alloy iron sheet, makes algae constantly by area pellucida and dark space, increase light dark ratio on the outside of light source;It can be in room
Outer culture, daytime utilize sunlight, at night can using built-in light source and fermentation institute's quantity of heat production heat, realize whole day decline algae training
It supports, improves the growth rate of algae.
3. the present invention realize in microdisk electrode using interval supplement and mix supplement fermentation liquid by the way of, solve hair
The problem of zymotic fluid middle and high concentration ammonia inhibition micro algae growth has been saved than generally with the diluted method of water purification a large amount of Clean-
Water.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is microdisk electrode pedestal design schematic diagram of the present invention.
Fig. 3 is multifunctional axial schematic diagram of the present invention.
In attached drawing, 1- blender, 2- wastewater fermentation tank, 3- culture solution circulating tank, 4- microdisk electrode tank, 5- air valve, 6- into
Liquid mouth, 7- lead slag pipe, 8- peristaltic pump, 9- biogas residue collecting tank, 10- filter device, 11- return pipe, 12- heat conductive rod, 13- drain
Pipe, 14- gas tank, 15- air pump, 16- air inlet pipe, 17- water outlet, 18- linker, 19- escape pipe, 20- microdisk electrode pedestal,
The big pedestal of 21-, the big bearing of 22-, 23- scraper with holes, 24- filter cloth, 25- elastic helix steel disc, the small pedestal of 26-, the small bearing of 27-,
28- collection algae slot, 29- aluminium alloy iron sheet, 30- fluorescent lamp, 31- bracket, 32- hollow piston, 34- gas-guide tube, 35- multifunctional axial,
36- glass-vacuum tube.
Specific embodiment
The invention discloses a kind of tidal type bioreactors, including
Wastewater fermentation unit is stirred fermentation to the waste water collected in cavity inside it, obtains micro algae culturing liquid;
The culture solution is collected and is recycled in its closed culture solution by culture solution cycling element, including culture solution circular chamber
In room;
Microdisk electrode unit, including microdisk electrode room, microdisk electrode room bottom surface level height are followed not less than culture solution
Ring casing top level elevation is equipped with several spaced apart filter clothes 24 in microdisk electrode room;The bottom of the microdisk electrode room with
Linker 18 is equipped between the bottom of culture solution circular chamber;And
Gas collection unit, including air pump 15 and gas tank 14, the gas tank 14 are collected in wastewater fermentation unit by air pump 15 and are given up
The mixed gas of water by fermentation process generation is simultaneously stored;The air pump 15 is respectively communicated with microdisk electrode room and microdisk electrode room
Top, the gas tank 14 are connected to microdisk electrode room bottom;
Wherein, culture solution in it is passed through linker by the pressurization of air pump 15 of gas collection unit by the culture solution cycling element
18 are sent to microdisk electrode unit, and the work of air pump 15 stops;The gas tank 14 of gas collection unit is by the mixed gas of collection simultaneously
It is sent into microdisk electrode unit, culture solution is by being self-possessed through the reflux culture solution circulating tank 3 of linker 18, so in microdisk electrode unit
Recycle several periods.
In above-mentioned apparatus, wastewater fermentation unit is stirred continuously, institute of fermenting for carrying out the fermentation of waste water in fermentation process
CO2, the biogas of generation import gas tank 14 and store, for used in algal grown;Produced biogas slurry makes culture solution import culture solution circulation
Unit, culture solution cycling element pressurize by air pump 15, and culture solution is pressed into microdisk electrode room by linker 18, is submerged micro-
Filter cloth 24 accompanying by algae;Later, air pump 15 supplies culture solution circular chamber and closes, and air valve 5 is opened in culture solution circular chamber, micro-
Culture solution in algae culturing room is flowed slowly into circular chamber due to gravity, is completed a tide process, is so recycled past
Multiple, tide simulation realizes the adhesion type culture of microalgae.
It is further illustrated below in conjunction with specific implementation of the attached drawing to invention.
As shown in Figure 1-3, wastewater fermentation unit and culture solution cycling element are an integral structure.Wastewater fermentation unit includes
Wastewater fermentation tank 2, wastewater fermentation tank 2 is interior to be equipped with blender 1.Culture solution cycling element includes culture solution circulating tank 3, and culture solution follows
The inner cavity of ring tank 3 constitutes culture solution circular chamber.Microdisk electrode unit includes microdisk electrode tank 4, and the inner cavity of microdisk electrode tank 4 is constituted
Microdisk electrode room.The connection of wastewater fermentation tank 2 is mounted on 3 top of culture solution circulating tank;Wastewater fermentation tank 2 and culture solution circulating tank 3
Between be equipped with catheter 13.4 level height of microdisk electrode tank is higher than culture solution circulating tank 3,3 bottom of culture solution circulating tank and microalgae
It is connected between 4 bottom of culture tank by linker 18.Above-mentioned wastewater fermentation tank 2, culture solution circulating tank 3 material be stainless steel hide
Luminescent material can also be certainly PVC, shading plastics, aluminium alloy etc..2 lower end of wastewater fermentation tank is in tapered setting and is embedded in training
3 top of nutrient solution circulating tank;Catheter 13 is located at the tapered lower end that 2 one end of wastewater fermentation tank is higher than wastewater fermentation tank 2, another
End is located at middle part in culture solution circulating tank 3.It is equipped with filter device 10 in catheter 13, is from top to bottom followed successively by filter device 10
Fine fack, sponge, active carbon, sponge and fine fack.Filter device 10 can also be fine fack, sponge, polyethylene filter membrane, active carbon
Deng the combination of membrane structure or adsorbent material with pore structure.The produced biogas slurry of wastewater fermentation tank 2 is by filtering in catheter 13
Device 10 imports circular chamber for micro algae growth by catheter 13, filter device 10 can filter suspended particulate in biogas slurry and
Impurity obtains preferable culture solution.Air pump 15 at the top of air inlet pipe 16 and culture solution circulating tank 3 by being connected to, and air pump 15 is by leading
It is connected at the top of tracheae 34 and wastewater fermentation tank 2, air pump 15 is connected to by escape pipe 19 with 4 bottom of microdisk electrode tank;Culture solution follows
Air valve 5 is equipped at the top of ring tank 3.The gases such as CO2 caused by fermenting first are collected into gas tank 14, then are imported by air pump 15 micro-
In algae culturing room;Wherein, ferment caused by gas main component be CO2 and methane, it is remaining after microalgae has absorbed CO2
Gas is discharged through exhaust outlet.Wherein, wastewater fermentation tank 2 and 3 cavity volume ratio of culture solution circulating tank can be 1:3, can also be 1:
It is selected on demand in 1-1:5.
Wastewater fermentation tank 2 is equipped with filtration system, and filtration system includes leading slag pipe 7, peristaltic pump 8, biogas residue collecting tank 9 and returning
Flow tube 11 leads 7 one end of slag pipe and is located at bottom in wastewater fermentation tank 2, and the other end is located at 2 outside of wastewater fermentation tank and connects peristaltic pump
8;Filter device 10 is equipped in biogas residue collecting tank 9,9 one end of biogas residue collecting tank connects the water outlet 17 of peristaltic pump 8, and the other end passes through
The inlet 6 of the connection wastewater fermentation tank 2 of return pipe 11.Produced biogas residue of fermenting is by precipitating, in 2 bottom of wastewater fermentation tank by compacted
Dynamic pump 8 excludes, and the biogas residue of discharge is filtered through filter device 10, and gained filtrate enters inlet 6, biogas residue by the gravity flow of return pipe 11
Bio-fertilizer raw material is done in recycling.
It further include heat conductive rod 12,12 one end of heat conductive rod is located at the bottom in wastewater fermentation tank 2, and the other end is followed positioned at culture solution
In ring tank 3.Heat conductive rod 12 is copper, can also it is a kind of by Heat Conduction Material copper, aluminium, silica gel piece, graphene or honeycomb pass graphite or
Several combinations are made.Fermentation institute's heat production can be directed into the culture solution in circular chamber by Heat Conduction Material, for micro algae growth.
Here, the microdisk electrode pedestal 20 being arranged along center axis thereof is equipped in microdisk electrode tank 4 to train with setting in microalgae
Support the filter cloth 24 on pedestal 20,20 bottom end of microdisk electrode pedestal is mounted on bottom in microdisk electrode tank 4 by bracket 31, and with it is micro-
Gap is formed on bottom in algae culture tank 4.Linker 18 connect one end with microdisk electrode tank 4 and is located under 20 bottom end of microdisk electrode pedestal
Side, and floatable hollow piston 32 is placed in linker 18.Microdisk electrode pedestal 20 is equipped with glass evacuated along center axis thereof
Pipe, glass-vacuum tube is interior to be equipped with fluorescent lamp 30, and interval setting is used for the aluminium alloy of shading between glass-vacuum tube and fluorescent lamp 30
Iron sheet 29.
One end that linker 18 is located at culture solution circulating tank 3 is higher than 3 bottom of culture solution circulating tank, 3 bottom of culture solution circulating tank
Portion is equipped with water outlet 17.3 bottom of culture solution circulating tank can deposit microalgae residue, and linker 18 is located at the one of culture solution circulating tank 3
End, which is higher than its bottom, to be recycled to avoid microalgae residue, and micro algae growth in microdisk electrode tank 4 is influenced.
The present invention utilizes the course of work of waste water wastewater fermentation culture microalgae are as follows:
It ferments firstly, waste water is flowed into wastewater fermentation tank 2 by inlet 6, earlier fermentation blender 1 is pressed clockwise with one
Constant speed degree is slowly stirred, homogeneous fermentation liquid, accelerates course of fermentation, and fermentation later period blender 1 stops stirring, precipitated, fermented
The gases such as produced CO2 are imported in gas tank 14 by gas-guide tube 34 and are stored, and are used for micro algae growth.Produced biogas residue ferment by precipitating
To 2 bottom of shape wastewater fermentation tank, slag pipe 7 is led by peristaltic pump 5 and is extracted out, into biogas residue collecting tank 9, is filled using filtering therein
It sets biogas slurry caused by 10 filterings and enters inlet 6 by the gravity flow of return pipe 11, prevent a small amount of biogas slurry contained in extraction biogas residue
Environment is polluted, biogas residue recycles the raw material as bio-fertilizer.Air valve 5 is opened in culture solution circulating tank 3, and produced biogas slurry of fermenting is by containing
The catheter 13 of filter device 10 flows into culture solution circulating tank 3, utilizes for tidal type microalgae culture system.Ferment institute's quantity of heat production
It is imported into through Heat Conduction Material 12 in the marsh liquid culture medium of culture solution circulating tank 3, one time fermentation process terminates, and and then carries out next
Secondary fermentation, loops back and forth like this.
After biogas slurry (or being culture solution) enters culture solution circulating tank 3,3 air valve 5 of culture solution circulating tank is closed, microdisk electrode room
Air valve 5 open, air pump 15 is started to work pressurization, and air is directed into the upper end of culture solution circulating tank 3 by air inlet pipe 16, is given
Culture medium is pressed into microdisk electrode tank 4 by system pressurization by linker 18.When the culture solution in culture solution circulating tank 3 is complete
After portion is pressed into microdisk electrode tank 4, the air valve on air pump 15 is opened, and the pressure in air pump 15 remains unchanged, and air pump 15 stops
Energy is saved in work;The air valve 5 of culture solution circulating tank 3 opens exhaust decompression, and the culture solution in microdisk electrode tank 4 is due to gravity
It can be flowed slowly into culture solution circulating tank 3 by linker 18, after the culture solution of microdisk electrode tank 4 slowly flows out, complete one
Secondary complete tidal type circulation;3 air valve 5 of culture solution circulating tank is closed later, and the air valve on air pump 15 is opened, and continues to pressurize, weight
The multiple above process, realizes the tidal type culture of microalgae.
After linker 18 is slowly pressed into microdisk electrode tank 4, hollow piston 32 is jacked up simultaneously biogas slurry culture solution by hydraulic pressure
Rise with the rising of liquid level, microdisk electrode tank 4 starts feed liquor, and the liquid level of culture solution passes through on the gap of A-frame 31
It rises, the liquid level of rising gradually submerges the filter cloth 24 being located on microdisk electrode pedestal 20, for the micro algae growth being attached on filter cloth 24.
Outside is rotated as driving pedestal by motor driven by the big pedestal 21 that big bearing 22 forms, and passes through outer elastic spiral
Steel disc 25 drives filter cloth 24, and then inside is driven to be rotated by the small pedestal 26 that small bearing 27 forms, and makes microdisk electrode tank 4 in the external world
Sunlight is in uniform light under light source or internal light source radiation situation, promotes the growth of microalgae.Later, in microdisk electrode tank 4
During liquid level gradually decreases, the hollow piston 32 inside bracket 31 can be gradually reduced with the decline of liquid level, finally be sealed,
It avoids blasting the biogas containing CO2 in gas tank 14 and culture solution circulating tank 3 is entered by linker 18.Entire tidal type cyclic process
In, the biogas containing CO2 collected in gas tank 14 continues to enter microdisk electrode tank 4 from escape pipe 19, provides carbon source for micro algae growth.
After tidal type training method recycles several periods, the culture solution in microdisk electrode tank 4 is all back to culture solution
Circulating tank 3, the air valve 5 in culture solution circulating tank 3 on air pump is continuously off, and small pedestal 26 starts to brake and slowly stop operating,
The lid of the collection algae slot 28 with cover of the circular ring type of underface is synchronous to be opened, and filter cloth 24 brakes generated stretching through too small pedestal 26
By the pull-out of elastic helix steel disc 25, filter cloth 24 is slowly pulled in by the gap of scraper 23 with holes and rotates package in for effect
On the small pedestal 26 in side, and 24 two sides of filter cloth for passing through 23 gap of scraper with holes grow into certain thickness microalgae by two-sided on gap
Scraper scrapes, and the microalgae scraped is fallen into due to gravity in the collection algae slot 28 with cover of the circular ring type of underface, and passes through microalgae
The algae mouthful 33 that goes out of culturing room bottom end is collected, and the automation harvesting of microalgae is completed.After the completion of harvesting, collect the cover closing of algae slot 28,
Small bearing axis stops braking, the traction masterpiece that big bearing axis on the outside is driven by filter cloth and elastic helix steel disc 25 is shunk
Under, small bearing axis accelerates rotation, and 24 slow release of filter cloth that will be wrapped up on the outside of it, until without angular speed between two pedestals
Difference rotates synchronously, and filter cloth 24 returns to original position and continues next step tidal type microdisk electrode, completes microalgae harvesting.This
When, the air valve 5 in culture solution circulating tank 3 on air pump is persistently opened, and air pump starts to pressurize, and tidal type system continues cycling through work.
After the water quality of entire tidal type microalgae culture system work to fermentation waste water reaches Effluent criteria, culture solution circulating tank
The water outlet 17 of 3 side wall bottom ends is opened, and lasting water outlet is after the fermentation liquid whole outflow of water quality reaching standard in system, wastewater fermentation
The fermentation liquid that fermentation is completed is imported into culture solution circulating tank 3 by the catheter 13 in room, and tidal type microalgae culture system continues
Cycle operation carries out next stage microdisk electrode.
During microdisk electrode, the temperature of optimum growth is 30-35 DEG C, shines in summer ambient light and temperature is higher
When, on the one hand can be by tidal type liquid circulation the characteristics of, the exclusive segment air when 4 liquid level of microdisk electrode tank rises increases
Add surface evaporation, simultaneously because tidal type liquid circulation, the high surface area filter cloth after liquid level reduction, under semi-dry conditions
On disseminated a large amount of moisture, under illumination condition largely evaporation exclude air valve 5, increase air motion, take away a large amount of heat,
Cool down for the culture of microalgae;Another aspect culture solution is after entering culture solution circulating tank 3, since 3 periphery of culture solution circulating tank is adopted
With light screening material, the direct irradiation of sunlight is avoided to a certain extent, and temperature is relatively stable, also, heat extra in culture solution
Heat can be also directed into fermenting cellar by amount by the heat-transfer device in culture solution circulating tank 3, promote the fermentation of fermenting cellar mid-early stage
Go on smoothly;Under the conditions of stronger exterior light is shone, weak light transmission or opaqueness due to filter cloth are right during rotation
Strong light is diluted, and direct projection situation photoinhibition caused by micro algae growth is reduced.
Under autumn and winter dim light, unglazed and cryogenic conditions, built-in light source work, the filter cloth of unique deviation type, which is arranged, to be increased
The area of light direct projection under low light condition, improves intensity of illumination;Under the conditions of temperature is lower, culture solution is flowing into culture
Institute's heat production of fermenting when liquid circulating tank 3, in fermenting cellar can be imported heat in culture solution by Heat Conduction Material 12, and pass through tide
Heat in culture solution is conducted in the microalgae cell on filter cloth by the circulation of formula culture systems, provides one relatively surely for microalgae
Fixed external growth environment accelerates the growth and breeding of microalgae.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (10)
1. a kind of tidal type bioreactor, it is characterised in that: including
Wastewater fermentation unit is stirred fermentation to the waste water collected in cavity inside it, obtains micro algae culturing liquid;
Culture solution cycling element, including culture solution circular chamber collect the culture solution in its culture solution circular chamber;
Microdisk electrode unit, including microdisk electrode room, microdisk electrode room bottom surface level height are not less than culture solution circular chamber
Top level elevation is equipped with several spaced apart filter clothes in microdisk electrode room;The bottom of the microdisk electrode room and culture solution
Linker is equipped between the bottom of circular chamber;And
Gas collection unit, including air pump and gas tank, the gas tank are collected wastewater fermentation process in wastewater fermentation unit by air pump and are produced
Raw mixed gas is simultaneously stored;The air pump is respectively communicated with the top of microdisk electrode room and microdisk electrode room, the gas tank
It is connected to microdisk electrode room bottom;
Wherein, the culture solution cycling element is pressurizeed by the air pump of gas collection unit and is sent to culture solution in it by linker
Microdisk electrode unit, the air pump work stop;The mixed gas of collection is sent into microdisk electrode by the gas tank of gas collection unit simultaneously
Unit, culture solution is flowed back culture solution cycling element by self weight through linker in microdisk electrode unit, so recycles several periods.
2. a kind of tidal type bioreactor according to claim 1, it is characterised in that: the wastewater fermentation unit and
Culture solution cycling element is an integral structure, and wastewater fermentation unit is located above culture solution cycling element, and microdisk electrode list
First level height is higher than culture solution cycling element, and wastewater fermentation unit and culture solution cycling element frame structure are mixed mud knot
Structure.
3. a kind of tidal type bioreactor according to claim 1, it is characterised in that: the wastewater fermentation unit packet
Wastewater fermentation tank is included, is equipped with blender in wastewater fermentation tank;The culture solution cycling element includes culture solution circulating tank, culture solution
The inner cavity of circulating tank constitutes the culture solution circular chamber;The microdisk electrode unit includes microdisk electrode tank, microdisk electrode tank
Inner cavity constitutes the microdisk electrode room;The wastewater fermentation tank connection is mounted on culture solution circulation upper end;The wastewater fermentation
Catheter is equipped between tank and culture solution circulating tank;The microdisk electrode tank level height is higher than the culture solution circulating tank, institute
It states and is connected between culture solution circulation pot bottom and microdisk electrode pot bottom by linker.
4. a kind of tidal type bioreactor according to claim 3, it is characterised in that: it is set on the wastewater fermentation tank
There is filtration system, the filtration system includes leading slag pipe, peristaltic pump, biogas residue collecting tank and return pipe, described to lead slag pipe one end position
In bottom in wastewater fermentation tank, the other end is located on the outside of wastewater fermentation tank and connects peristaltic pump;It is equipped in the biogas residue collecting tank
Filter device, biogas residue collecting tank one end connect peristaltic pump water outlet, the other end by return pipe connection wastewater fermentation tank into
Liquid mouth.
5. a kind of tidal type bioreactor according to claim 3, it is characterised in that: it further include heat conductive rod, it is described
Heat conductive rod one end is located at the bottom in wastewater fermentation tank, and the other end is located in culture solution circulating tank.
6. a kind of tidal type bioreactor according to claim 5, it is characterised in that: the heat conductive rod is by heat conduction material
Material copper, aluminium, silica gel piece, graphene or honeycomb pass graphite one or more combination are made.
7. a kind of tidal type bioreactor according to claim 3, it is characterised in that: wastewater fermentation tank lower end
Portion is in tapered setting and is embedded at the top of culture solution circulating tank;The catheter is located at wastewater fermentation tank one end higher than the waste water
The tapered lower end of fermentor, the other end are located at middle part in culture solution circulating tank;Filter device, mistake are equipped in the catheter
Fine fack, sponge, active carbon, sponge and fine fack are from top to bottom followed successively by filter device.
8. a kind of tidal type bioreactor according to claim 3, it is characterised in that: the linker is located at culture
One end of liquid circulating tank is higher than culture solution and recycles pot bottom, and the culture solution circulation pot bottom is equipped with water outlet.
9. a kind of tidal type bioreactor according to claim 3, it is characterised in that: the air pump passes through air inlet pipe
Be connected at the top of culture solution circulating tank, air pump is connected to by gas-guide tube with wastewater fermentation tank top, air pump pass through escape pipe with it is micro-
Algae cultivates pot bottom connection;Air valve is equipped at the top of the culture solution circulating tank.
10. a kind of tidal type bioreactor according to claim 3, it is characterised in that: in the microdisk electrode tank
Equipped with along the microdisk electrode pedestal and the filter cloth being arranged on microdisk electrode pedestal that center axis thereof is arranged, the microdisk electrode axis
Frame bottom end is mounted on bottom in microdisk electrode tank by bracket, and forms gap with bottom in microdisk electrode tank;The linker
It connect one end with microdisk electrode tank to be located at below microdisk electrode pedestal bottom end, and places floatable hollow piston in linker;
The microdisk electrode pedestal is equipped with glass-vacuum tube along center axis thereof, is equipped with fluorescent lamp, glass-vacuum tube in glass-vacuum tube
Interval setting is used for the aluminium alloy iron sheet of shading between fluorescent lamp.
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CN101838606B (en) * | 2009-12-30 | 2013-01-02 | 同济大学 | Airlift loop bioreactor through microalgae photoautotrophic-photoheterotrophic coupling for carbon emission reduction in sewage treatment |
CN104560637A (en) * | 2015-01-06 | 2015-04-29 | 南昌大学 | Rotatable film-forming type microalgae photosynthetic reactor |
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