CN102286367B - Photo-fermentation anaerobic fluidized bed hydrogen production reactor - Google Patents
Photo-fermentation anaerobic fluidized bed hydrogen production reactor Download PDFInfo
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- CN102286367B CN102286367B CN 201110210638 CN201110210638A CN102286367B CN 102286367 B CN102286367 B CN 102286367B CN 201110210638 CN201110210638 CN 201110210638 CN 201110210638 A CN201110210638 A CN 201110210638A CN 102286367 B CN102286367 B CN 102286367B
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/02—Photobioreactors
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- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C12M25/00—Means for supporting, enclosing or fixing the microorganisms, e.g. immunocoatings
- C12M25/16—Particles; Beads; Granular material; Encapsulation
- C12M25/20—Fluidized bed
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- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
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- C12M31/00—Means for providing, directing, scattering or concentrating light
- C12M31/02—Means for providing, directing, scattering or concentrating light located outside the reactor
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- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/22—Settling tanks; Sedimentation by gravity
Abstract
The invention discloses a photo-fermentation anaerobic fluidized bed hydrogen production reactor and relates to an anaerobic fluidized bed hydrogen production reactor. The invention aims to solve the problems of susceptibility to losing biomass and low utilization of light energy of the conventional photo-fermentation hydrogen production reactor. In the reactor, one end of a return tube is inserted into the main body of the reactor from the upper cover of the main body of the reactor, and the other end of the return tube is communicated with a water inlet tube; the connecting point of the return tube and the water inlet tube is between a water inlet pump and the main body of the reactor; a return pump is mounted on the return tube; an active carbon fiber absorbing carrier is filled in the main body of the reactor; one end of a settling area single tube is mounted on the middle side wall of the main body of the reactor, and the other end of the setting area single tube is communicated with a supernate outlet tube; the setting area single tube is arranged in an inclined manner; the connected end of the settling area single tube and the main body of the reactor are pressed against the connected end of the setting area single tube and the supernate outlet tube; and an outlet pump is mounted on the supernate outlet tube. The reactor is used in photo-fermentation anaerobic fluidized bed hydrogen production.
Description
Technical field
The present invention relates to a kind of anaerobic fluidized bed product hydrogen reactor, be specifically related to a kind of smooth anaerobic fermentation fluidized-bed and produce hydrogen reactor, belong to the ferment for hydrogen production technical field.
Background technology
The energy is the important foundation resource of human social development.Development, the sharp increase of world population and improving constantly of living standards of the people along with world economy, the world energy sources demand continues to increase, cause thus contention to Energy resources to be growing more intense, environmental pollution increases the weight of strengthens with environmental protection pressure, force countries in the world government and scientist to be devoted to seek alternative fossil energy, i.e. environmentally safe or oligosaprobic novel reproducible clean energy.Bio-hydrogen production technology is as the green energy resource production technology of a kind of low cost, less energy-consumption, can be in conjunction with treatment of Organic Wastewater and clean energy production and receive much concern.The contradiction that the bio-hydrogen production technology reaction conditions is gentle, energy consumption is low, can properly settle energy and environment.Wherein the light fermentation and hydrogen production can carry out at normal temperatures and pressures, and the theoretical hydrogen rate of producing is high; It is faster than little algae to produce hydrogen speed, and capacity usage ratio is higher than dark fermenting bacteria, transformation efficiency is high; Absorption region to solar spectrum is wide.The light fermenting bacteria produces hydrogen and wastewater treatment, energy recovery and sun power utilization etc. organically can be combined, the organic pollutant of not only having degraded, administered environmental pollution and made changing rejected material to useful resource, energy, be considered to one of most promising green Hydrogen Energy source, have broad application prospects, extremely both at home and abroad investigator's concern.
The Main Function of light ferment for hydrogen production reactor is to provide growth the required environment such as illumination, temperature and potential of hydrogen for the light fermenting bacteria, both at home and abroad the researchist has designed the light ferment for hydrogen production reactor of different structure form through studying for many years according to the light fermenting bacteria to the requirement of growth conditions, so that hydrogen generation efficiency has obtained large increase.But still there is the problem that biomass runs off easily, the efficiency of light energy utilization is low in the light ferment for hydrogen production reactor that uses at present, and the method for there is no satisfies the needs of suitability for industrialized production.Become the key that promotes the technical development of light ferment for hydrogen production so develop efficient anaerobism light ferment for hydrogen production reactor.
Summary of the invention
The objective of the invention is easily to run off and the low problem of the efficiency of light energy utilization for the biomass that solves existing smooth ferment for hydrogen production reactor existence, and then provide a kind of smooth anaerobic fermentation fluidized-bed to produce hydrogen reactor.
Technical scheme of the present invention is: light anaerobic fermentation fluidized-bed produces hydrogen reactor and comprises into water tank, intake pump, reactor body, gas meter, water inlet pipe, gas outlet pipe and two groups of illumination systems, reactor body each side be furnished with one group of illumination system, the bottom of reactor body is communicated with the water inlet tank by water inlet pipe, intake pump is installed on the water inlet pipe, cover on the reactor body gas outlet pipe is installed, gas meter is installed on the gas outlet pipe;
Light anaerobic fermentation fluidized-bed produces hydrogen reactor and also comprises the activated carbon fiber absorption carrier, reflux pump, the settling region single tube, go out water pump, return line and supernatant liquor outlet pipe, one end of described return line is inserted into reactor body inside by covering on the reactor body, the other end of return line is communicated with water inlet pipe, the tie point of return line and water inlet pipe is between intake pump and reactor body, described reflux pump is installed on the return line, described activated carbon fiber absorption carrier is filled in the inside of reactor body, one end of settling region single tube is installed on the middle part sidewall of reactor body, the other end of settling region single tube is communicated with the supernatant liquor outlet pipe, the settling region single tube is obliquely installed, the coupling end of settling region single tube and reactor body is lower than the coupling end of settling region single tube and supernatant liquor outlet pipe, goes out water pump and is installed on the supernatant liquor outlet pipe.
The present invention compared with prior art has following beneficial effect: 1, the present invention is used for light fermenting bacteria immobilization product hydrogen with activated carbon fiber (ACF) carrier, improved the biological volume of holding that light anaerobic fermentation fluidized-bed produces hydrogen reactor, avoided the bacterial classification loss, the biomass of high density realizes producing efficiently the hydrogen performance.2, the present invention is in fluidized state with the activated carbon fiber carrier in reactor body, so that each the light fermenting bacteria that is adsorbed on the fine carrier granule of activated carbon can both receive illumination and then produce hydrogen, reduce to greatest extent the light-shading effect between the carrier granule, improved the efficiency of light energy utilization.3, hydrogen yield of the present invention reaches 2.26molH
2/ mol acetic acid, high yield hydrogen speed reaches 25.8mlH
2/ L/h.
Description of drawings
Fig. 1 is the one-piece construction front view that smooth anaerobic fermentation fluidized-bed of the present invention produces hydrogen reactor, and Fig. 2 is that the present invention passes through the product hydrogen efficacy curve figure of smooth anaerobic fermentation fluidized-bed product hydrogen reactor of the present invention (among the figure take sodium acetate as substrate
The expression hydrogen yield,
The expression hydrogen-producing speed).
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, the light anaerobic fermentation fluidized-bed of present embodiment produces hydrogen reactor and comprises into water tank 1, intake pump 2, reactor body 3, gas meter 7, water inlet pipe 10, gas outlet pipe 12 and two groups of illumination systems 6, reactor body 3 each side be furnished with one group of illumination system 6, the bottom of reactor body 3 is communicated with water inlet tank 1 by water inlet pipe 10, intake pump 2 is installed on the water inlet pipe 10, cover on the reactor body 3 gas outlet pipe 12 is installed, gas meter 7 is installed on the gas outlet pipe 12;
Light anaerobic fermentation fluidized-bed produces hydrogen reactor and also comprises activated carbon fiber absorption carrier 4, reflux pump 5, settling region single tube 8, go out water pump 9, return line 11 and supernatant liquor outlet pipe 13, one end of described return line 11 is inserted into reactor body 3 inside by covering on the reactor body 3, the other end of return line 11 is communicated with water inlet pipe 10, the tie point of return line 11 and water inlet pipe 10 is between intake pump 2 and reactor body 3, described reflux pump 5 is installed on the return line 11, described activated carbon fiber absorption carrier 4 is filled in the inside of reactor body 3, one end of settling region single tube 8 is installed on the middle part sidewall of reactor body 3, the other end of settling region single tube 8 is communicated with supernatant liquor outlet pipe 13, settling region single tube 8 is obliquely installed, the coupling end of settling region single tube 8 and reactor body 3 is lower than the coupling end of settling region single tube 8 and supernatant liquor outlet pipe 13, goes out water pump 9 and is installed on the supernatant liquor outlet pipe 13.
Embodiment two: in conjunction with Fig. 1 present embodiment is described, the carbon fiber specific surface area of the activated carbon fiber absorption carrier 4 of present embodiment is 1500m
2/ g, pore radius is
Total hole volume 705 ± 15 * 10
-3Ml/g, chopped filament length degree is 0.1mm.So arrange, the light fermenting bacteria is attracted on the outside surface of carbon fiber, so that the light fermenting bacteria can more effectively be accepted illumination, when light transmition is surperficial to activated carbon fiber, the light fermenting bacteria that luminous energy is attracted to the carrier outside surface fully absorbs, therefore, the more effective efficiency of light energy utilization that improved.Other composition is identical with embodiment one with annexation.
Embodiment three: in conjunction with Fig. 1 present embodiment is described, it is the reflux pump of 150ml/min that the reflux pump 5 of present embodiment adopts flow velocity.So arrange, making carrier is the suspension fluidized state, has good mass transfer condition, and microorganism easily fully contacts with waste water, and so that be adsorbed on each light fermenting bacteria of carrier surface and can both receive illumination and produce hydrogen, effectively raise the optical energy utilization efficiency of light fermentation and hydrogen production reactor.Other composition is identical with embodiment one or two with annexation.
Embodiment four: in conjunction with Fig. 1 present embodiment is described, the illumination system 6 of present embodiment adopts the incandescent light lighting system, and average intensity is regulated to 4000lx.So arrange, can effectively provide sufficient luminous energy for light fermentation and hydrogen production process.Other composition and annexation and embodiment one, two or three identical.
Embodiment five: in conjunction with Fig. 1 present embodiment is described, the sharp angle α that forms between the axis 8-1 of the settling region single tube 8 of present embodiment and the sea line is 70 degree.So arrange, settling region single tube 8 is not subjected to the impact of reactor body 3 fluidised forms, is in quiet heavy state, the effectively sedimentation under action of gravity of activated carbon fiber absorption carrier particle, and in the Returning reactor main body 3, effluent quality is good.Other composition and annexation and embodiment one, two, three or four identical.
Embodiment: present embodiment is described in conjunction with Fig. 1 and Fig. 2, present embodiment produces hydrogen take sodium acetate as substratum, light anaerobic fermentation fluidized-bed produces hydrogen reactor and comprises into water tank 1, intake pump 2, reactor body 3, gas meter 7, water inlet pipe 10, gas outlet pipe 12 and two groups of illumination systems 6, reactor body 3 each side be furnished with one group of illumination system 6, the bottom of reactor body 3 is communicated with water inlet tank 1 by water inlet pipe 10, intake pump 2 is installed on the water inlet pipe 10, cover on the reactor body 3 gas outlet pipe 12 is installed, gas meter 7 is installed on the gas outlet pipe 12; Light anaerobic fermentation fluidized-bed produces hydrogen reactor and also comprises activated carbon fiber absorption carrier 4, reflux pump 5, settling region single tube 8, go out water pump 9, return line 11 and supernatant liquor outlet pipe 13, one end of described return line 11 is inserted into reactor body 3 inside by covering on the reactor body 3, the other end of return line 11 is communicated with water inlet pipe 10, the tie point of return line 11 and water inlet pipe 10 is between intake pump 2 and reactor body 3, described reflux pump 5 is installed on the return line 11, described activated carbon fiber absorption carrier 4 is filled in the inside of reactor body 3, one end of settling region single tube 8 is installed on the middle part sidewall of reactor body 3, the other end of settling region single tube 8 is communicated with supernatant liquor outlet pipe 13, settling region single tube 8 is obliquely installed, the coupling end of settling region single tube 8 and reactor body 3 is lower than the coupling end of settling region single tube 8 and supernatant liquor outlet pipe 13, go out water pump 9 and be installed on the supernatant liquor outlet pipe 13, the carbon fiber specific surface area of activated carbon fiber absorption carrier 4 is 1500m
2/ g, pore radius is
Total hole volume 705 ± 15 * 10
-3Ml/g, chopped filament length degree is 0.1mm, and it is the reflux pump of 150ml/min that reflux pump 5 adopts flow velocity, and illumination system 6 adopts the incandescent light lighting system, and average intensity is regulated to 4000lx, and the sharp angle α that forms between the axis 8-1 of settling region single tube 8 and the sea line is 70 degree.Culture medium of sodium acetate in the water inlet tank 1 is continuously pumped in the reactor body 3 by intake pump 2, activated carbon fiber carrier 4 in the reactor body 3 is in fluidized state under the effect of reflux pump 5, the surface adsorption of activated carbon fiber carrier 4 a large amount of light fermenting bacterias, under the condition that luminous energy is provided of illumination system 6, degraded is organic, produce hydrogen, hydrogen is got rid of reactor through gas outlet pipe 12, after the reaction, reaction solution is in settling region single tube 8 interior precipitations, activated carbon fiber absorption carrier 4 is Returning reactor under action of gravity, and supernatant liquor is got rid of reactor through going out water pump 9.The highest hydrogen yield of present embodiment is 2.26molH
2/ mol acetic acid, the highest hydrogen-producing speed are 25.8mlH
2/ L/h.
Claims (5)
1. a light anaerobic fermentation fluidized-bed produces hydrogen reactor, it comprises into water tank (1), intake pump (2), reactor body (3), gas meter (7), water inlet pipe (10), gas outlet pipe (12) and two groups of illumination systems (6), reactor body (3) each side be furnished with one group of illumination system (6), the bottom of reactor body (3) is communicated with water inlet tank (1) by water inlet pipe (10), intake pump (2) is installed on the water inlet pipe (10), cover on the reactor body (3) gas outlet pipe (12) is installed, gas meter (7) is installed on the gas outlet pipe (12);
It is characterized in that: light anaerobic fermentation fluidized-bed produces hydrogen reactor and also comprises activated carbon fiber absorption carrier (4), reflux pump (5), settling region single tube (8), go out water pump (9), return line (11) and supernatant liquor outlet pipe (13), one end of described return line (11) is inserted into reactor body (3) inside by covering on the reactor body (3), the other end of return line (11) is communicated with water inlet pipe (10), the tie point of return line (11) and water inlet pipe (10) is between intake pump (2) and reactor body (3), described reflux pump (5) is installed on the return line (11), described activated carbon fiber absorption carrier (4) is filled in the inside of reactor body (3), one end of settling region single tube (8) is installed on the middle part sidewall of reactor body (3), the other end of settling region single tube (8) is communicated with supernatant liquor outlet pipe (13), settling region single tube (8) is obliquely installed, the coupling end of settling region single tube (8) and reactor body (3) is lower than the coupling end of settling region single tube (8) and supernatant liquor outlet pipe (13), goes out water pump (9) and is installed on the supernatant liquor outlet pipe (13).
2. smooth anaerobic fermentation fluidized-bed according to claim 1 produces hydrogen reactor, and it is characterized in that: the carbon fiber specific surface area of activated carbon fiber absorption carrier (4) is 1500m
2/ g, pore radius is
Total hole volume 705 ± 15 * 10
-3Ml/g, chopped filament length degree is 0.1mm.
3. smooth anaerobic fermentation fluidized-bed according to claim 2 produces hydrogen reactor, it is characterized in that: it is the reflux pump of 150ml/min that reflux pump (5) adopts flow velocity.
4. smooth anaerobic fermentation fluidized-bed according to claim 3 produces hydrogen reactor, it is characterized in that: illumination system (6) adopts the incandescent light lighting system, and average intensity is regulated to 4000lx.
5. smooth anaerobic fermentation fluidized-bed according to claim 4 produces hydrogen reactor, it is characterized in that: the acute angle (α) that forms between the axis (8-1) of settling region single tube (8) and the sea line is 70 degree.
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| WO2014130357A1 (en) * | 2013-02-19 | 2014-08-28 | Heliae Development, Llc | Bioreactor array and methods of combinatorial testing |
| CN103275864A (en) * | 2013-06-14 | 2013-09-04 | 哈尔滨工业大学 | Light fermentation hydrogen production reactor |
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| CN2627002Y (en) * | 2003-05-29 | 2004-07-21 | 哈尔滨工业大学 | Biological hydrogen production expansion bed by highly performance fermentation method |
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| JPH08191683A (en) * | 1995-01-17 | 1996-07-30 | Ebara Corp | Method for producing hydrogen by microorganism and device therefor |
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| CN2627002Y (en) * | 2003-05-29 | 2004-07-21 | 哈尔滨工业大学 | Biological hydrogen production expansion bed by highly performance fermentation method |
| CN101312795A (en) * | 2005-11-22 | 2008-11-26 | 札幌啤酒株式会社 | Hydrogen fermentor and method of producing hydrogen |
| CN101007682A (en) * | 2007-01-19 | 2007-08-01 | 哈尔滨工业大学 | Hydrogen making apparatus using high concentrated organic wastewater and its hydrogen making method |
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