CN105543079A - Tower-type photosynthetic-bacterium continuous hydrogen-production reaction system and hydrogen production method thereof - Google Patents
Tower-type photosynthetic-bacterium continuous hydrogen-production reaction system and hydrogen production method thereof Download PDFInfo
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- C12M31/00—Means for providing, directing, scattering or concentrating light
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- C12P3/00—Preparation of elements or inorganic compounds except carbon dioxide
Abstract
The invention discloses a tower-type photosynthetic-bacterium continuous hydrogen-production reaction system and a hydrogen production method thereof. The tower-type photosynthetic-bacterium continuous hydrogen-production reaction system and the hydrogen production method thereof are used for solving the problems in the prior art that the illuminance attenuation is too great, the temperature difference is large, hydrogen production processing conditions are inaccurate and the hydrogen production efficiency is low due to the fact that the volume of a hydrogen production reactor is large. The system comprises a feeding tank, a feeding pump, a plurality of hollow-plate-type hydrogen production reactors, supporting columns, an LED (Light Emitting Diode) lamp band, a gas-liquid separation tank, a gas storage tank and a waste liquid collecting tank. The invention relates to the technical field of biomass photosynthetic hydrogen production, the system is reasonable in design and is easy and feasible, and the internal illuminance and temperature of the hydrogen production reactors can be kept in line with experiment required values, so that the accuracy of hydrogen production processing conditions and the efficiency of hydrogen production are improved.
Description
Technical field
The present invention relates to the technical field of biomass photosynthetic-hydrogen-production, be specifically related to a kind of tower photosynthetic bacterium and produce H-H reaction system continuously and produce hydrogen methods.
Background technology
The energy is the prime mover of industrialization high speed development, is central factor and the strategic resource of supporting social economy's fast development.Along with the rapid growth of social resources demand, on the earth, available Nonrenewable resources are fewer and feweri, environment also worse and worse, thus develop the new energy ease up separate environmental pollution become social problem in the urgent need to address instantly.Hydrogen Energy because its energy density is high, safety and environmental protection, be convenient to transport, many characteristics such as renewable, be described as " following energy ".
Current China's hydrogen manufacturing market is almost monopolized by the hydrogen manufacturing of fossil oil physico-chemical processes and water electrolysis method hydrogen manufacturing, and biological hydrogen production is still in the starting stage.The research of biological hydrogen production focuses mostly in raw materials pretreatment, high-efficiency strain enrichment, produces hydrogen optimization of process conditions and produce the aspect such as design of hydrogen reactor.Illumination in hydrogen production with photosynthetic bacteria reaction solution along with transmission distance increase relaxation phenomenon obvious; in reaction solution, temperature also can be increasing with Setup Experiments temperature contrast along with the increase of hydrogen production bioreactor; which limits the popularization of production with photosynthetic bacteria hydrogen production device, and then seriously constrain the large-scale development of photosynthetic-hydrogen-production.
Summary of the invention
For the deficiencies in the prior art, the present invention aims to provide a kind of tower photosynthetic bacterium and produces H-H reaction system continuously and produce hydrogen methods, by adopting the board-like product hydrogen reactor of multiple hollow, and the reaction solution that biomass straw enzymolysis solution and photosynthetic bacterium are mixed to form flow circuit successively from bottom to top, the hydrogen produced in every layer of product hydrogen reactor is made to drive reaction solution flowing, concentration, homogeneous temperature in each product hydrogen reactor; And each product hydrogen reactor all configures means of illumination, be responsible for the illumination of the product hydrogen in each product hydrogen reactor, avoid illumination in hydrogen production with photosynthetic bacteria reaction solution along with transmission distance increases the obvious problem of relaxation phenomenon.
To achieve these goals, the present invention adopts following technical scheme:
A kind of tower photosynthetic bacterium produces H-H reaction system continuously, comprises the board-like product hydrogen reactor of hollow of multiple printing opacity; All product hydrogen reactors are vertically corresponding in turn to arrangement in tower-like; Be connected by center tube between every two adjacent product hydrogen reactors, the top of center tube is communicated in the bottom centre position of the product hydrogen reactor being positioned at top, and end is then communicated in the top center of the product hydrogen reactor being positioned at below; The end face of each product hydrogen reactor is provided with means of illumination; Be communicated at least one fresh feed pump bottom the product hydrogen reactor being positioned at the lowest layer, described fresh feed pump is then communicated at least one material feeding box; The top being positioned at the product hydrogen reactor of most top layer is communicated at least one gas-liquid separating box, and the top of described gas-liquid separating box is communicated at least one expansion box, and the side of gas-liquid separating box is then communicated in waste liquid collecting box.
Further, it is a series of concentric(al) circles LED in the center of circle that the means of illumination set by each product hydrogen reactor end face includes with center tube.
Further, described LED is equidistant concentric arrays.
Further, the bottom surface of described product hydrogen reactor is circular flat, the inclined-plane that end face then increases gradually for ecto-entad.
Further, described product hydrogen reactor is made primarily of synthetic glass.
Further, described fresh feed pump is constant flow pump.
Further, also comprise at least two pillar stiffeners, each product hydrogen reactor is all connected to described pillar stiffener.
The product hydrogen methods utilizing above-mentioned tower photosynthetic bacterium to produce H-H reaction system continuously comprises the steps:
S1 adds photosynthetic bacterium and biomass straw enzymolysis solution by a certain percentage in material feeding box, is mixed to get reaction solution, then switches on power, then fresh feed pump and LED are opened; Biomass straw enzymolysis solution is the supernatant liquor obtained after utilizing cellulase that biomass straw is carried out enzymolysis, wherein containing reducing sugar;
First reaction solution in S2 material feeding box enters the product hydrogen reactor being positioned at the lowest layer under the effect of fresh feed pump, and flow from the bottom up and be full of each product hydrogen reactor, the photosynthetic bacterium in each product hydrogen reactor in reaction solution utilizes biomass straw enzymolysis solution to carry out photosynthetic hydrogen production under the illumination effect of the LED set by corresponding product hydrogen reactor;
The hydrogen produced in each product hydrogen reactor of S3 is under buoyancy, from lateral intermediate flow, and from lower to upper part flowing, upper strata reaction solution ecto-entad motion in band movable property hydrogen reactor, lower floor's reaction solution moves from inside to outside, thus realizes producing reaction solution oneself stirring in hydrogen reactor;
S4 each produce the hydrogen produced in hydrogen reactor and under buoyancy, produce hydrogen reactor through each from bottom to top and enter in gas-liquid separating box, and enter expansion box through gas-liquid separating box; Reaction solution also under the effect of fresh feed pump after through entering into gas-liquid separating box by the product hydrogen reactor being positioned at most top layer, and flow into waste liquid collecting box from gas-liquid separating box side.
Further, the photosynthetic bacterium that step S1 adds, for inoculating with the photosynthetic bacterium in logarithmic phase later stage, with 30% bacterial load and 70% growth medium, intensity of illumination be 3000lx, temperature carries out cultivating under being 30 DEG C of conditions and obtains.
Further, in step S1, described fresh feed pump adopts constant flow pump, by adjusting the flow velocity of fresh feed pump, the Hydraulic retention time of system is made to be 30-36h, make constantly to supplement the photosynthetic bacterium being in vegetative period, discharge the photosynthetic bacterium of decline, guarantee to produce photosynthetic bacterium in hydrogen reactor and keep best physiological status.
Beneficial effect of the present invention is:
1, adopt the board-like product hydrogen reactor of multiple hollow and hierarchal arrangement from top to bottom, each product hydrogen reactor carries out independently producing hydrogen, makes while maintaining hydrogen output, avoids the problem of the internal temperature existing for large-scale product hydrogen reactor, illuminance inequality;
2, by setting and the connection of material feeding box, fresh feed pump, product hydrogen reactor and gas-liquid separating box, waste liquid collecting box etc., realize producing hydrogen continuously;
3, for each product hydrogen reactor all configures a means of illumination, illumination is avoided in large-scale product hydrogen reactor in hydrogen production with photosynthetic bacteria reaction solution along with transmission distance increases the obvious problem of relaxation phenomenon;
4, being designed to by means of illumination further take center tube as a series of concentric(al) circles LED in the center of circle, makes to produce hydrogen reactor bilateral illumination, and lighting is even;
5, hydrogen ecto-entad under buoyancy, float from bottom to top, drive reaction solution ecto-entad motion in upper strata in the board-like product hydrogen reactor of hollow, lower floor's reaction solution moves from inside to outside, thus realize producing reaction solution oneself stirring in hydrogen reactor, photosynthetic bacterium and biomass straw enzymolysis solution are fully mixed, ensure that in plate-type reactor, reacting liquid temperature is even, concentration is consistent, facilitates biomass straw enzymolysis solution and fully contacts with photosynthetic bacterium; Meanwhile, improve reaction efficiency, agitator is not set, reduce energy consumption;
6, by adopting constant flow pump as fresh feed pump further, make it possible to, by adjustment constant flow pump flow velocity, make device Hydraulic retention time be 30-36h, constantly supplement the photosynthetic bacterium being in vegetative period, discharge the photosynthetic bacterium of decline, guarantee that in reactor, photosynthetic bacterium keeps best physiological status;
7, the distance of producing hydrogen reactor central position and the external world is shortened, increase and produce hydrogen reactor surface-area, accelerate heat trnasfer, thus make product hydrogen reactor internal temperature better and outside temperature be consistent, guarantee to produce temperature in hydrogen reactor consistent with experimental design value, improve experiment tolerance range;
8, structure is simple, easy to operate, and adaptability to raw material is strong, can be used for feces of livestock and poultry, agricultural crop straw, industrial and agricultural wastewater the like waste resource utilization recycling.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the embodiment of the present invention;
Fig. 2 is the plan structure schematic diagram of the product hydrogen reactor in Fig. 1;
Fig. 3 is the front schematic cross-section of the product hydrogen reactor in Fig. 1.
Embodiment
Below with reference to accompanying drawing, the invention will be further described, it should be noted that, the present embodiment, premised on the technical program, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to the present embodiment.
As Figure 1-3, a kind of tower photosynthetic bacterium produces H-H reaction system continuously, comprises the board-like product hydrogen reactor of hollow of multiple printing opacity, in the present embodiment, adopts four board-like product hydrogen reactors of hollow.All product hydrogen reactors are vertically corresponding in turn to arrangement in tower-like, be followed successively by the first product hydrogen reactor 7, second from lower to upper and produce hydrogen reactor 6, tertiary industry hydrogen reactor 5 and the 4th product hydrogen reactor 4 in Fig. 1.
Be connected by center tube 13 between every two adjacent product hydrogen reactors, the top of center tube 13 is communicated in the bottom centre position of the product hydrogen reactor being positioned at top, and end is then communicated in the top center of the product hydrogen reactor being positioned at below.
The end face of each product hydrogen reactor is provided with means of illumination 3.
Preferably, a series of concentric(al) circles LED that it is the center of circle that the means of illumination 3 set by each product hydrogen reactor end face comprises with center tube 13.Further, as a kind of preferred version, LED arranges in equidistant concentrically ringed mode.
In the present embodiment, as shown in Figure 2 and Figure 3, described LED comprises inner side LED 33 and outside LED 32, and diameter is respectively 125mm and 250mm, can continue as required to increase LED, and arrange with diameter 375mm, 500mm equal diameter.In addition, interior outside LED 33 and 32 can be supported by fulcrum 31, and is electrically connected by LED transmission line 8.
Be positioned at first of the lowest layer to produce bottom hydrogen reactor 7 and be communicated in fresh feed pump 10 by tubing, described fresh feed pump 10 then by pipeline communication in material feeding box 11.Be positioned at top that the 4th of most top layer produces hydrogen reactor 4 by pipeline communication in gas-liquid separating box 2, the top of described gas-liquid separating box 2 is communicated in expansion box 1 by pneumatic tube, the side of gas-liquid separating box 2 then by pipeline communication in waste liquid collecting box 12.
As a kind of embodiment, producing hydrogen reactor brim height is 100mm, produces the spacing having 10mm between hydrogen reactor.And center tube height is 120mm, diameter is 40mm.
Preferably, the bottom surface of described product hydrogen reactor is circular flat, the inclined-plane that end face then increases gradually for ecto-entad.As a kind of embodiment, the diameter of described circular flat is set to 1000mm.
Preferably, described product hydrogen reactor is made primarily of synthetic glass.
Preferably, the side of described gas-liquid separating box 2 is then by the top of pipeline communication in described waste liquid collecting box 12.
Preferably, described fresh feed pump 10 is constant flow pump.
Preferably, also comprise pillar stiffener 9, each product hydrogen reactor is all connected to described pillar stiffener 9.
The product hydrogen methods utilizing above-mentioned tower photosynthetic bacterium to produce hydrogen reactor continuously comprises the steps:
S1 adds photosynthetic bacterium and biomass straw enzymolysis solution by a certain percentage in material feeding box, is mixed to get reaction solution, then switches on power, then fresh feed pump and LED are opened; Biomass straw enzymolysis solution is the supernatant liquor obtained after the straw utilization cellulase of biomass is carried out enzymolysis, wherein containing reducing sugar.Mierocrystalline cellulose in stalk and hemicellulose can be converted into reducing sugar by biomass straw under the effect of cellulase, and photosynthetic bacterium, under the illumination effect of LED, can utilize reducing sugar to carry out photosynthetic hydrogen production.
First reaction solution in S2 material feeding box enters the product hydrogen reactor being positioned at the lowest layer under the effect of fresh feed pump, and flow from the bottom up and be full of each product hydrogen reactor, the photosynthetic bacterium in each product hydrogen reactor in reaction solution utilizes the reducing sugar in biomass straw enzymolysis solution to carry out photosynthetic hydrogen production under the illumination effect of the LED set by corresponding product hydrogen reactor;
The hydrogen produced in each product hydrogen reactor of S3 is under buoyancy, from lateral intermediate flow, and from lower to upper part flowing, upper strata reaction solution ecto-entad motion in band movable property hydrogen reactor, lower floor's reaction solution moves from inside to outside, thus realizes producing reaction solution oneself stirring in hydrogen reactor;
S4 each produce the hydrogen produced in hydrogen reactor and under buoyancy, produce hydrogen reactor through each from bottom to top and enter in gas-liquid separating box, and enter expansion box through gas-liquid separating box; Reaction solution also under the effect of fresh feed pump after through entering into gas-liquid separating box by the product hydrogen reactor being positioned at most top layer, and flow to waste liquid collecting box from gas-liquid separating box side.
Further, the photosynthetic bacterium that step S1 adds, for inoculating with the photosynthetic bacterium in logarithmic phase later stage, with 30% bacterial load and 70% growth medium, intensity of illumination be 3000lx, temperature carries out cultivating under being 30 DEG C of conditions and obtains.
In the present embodiment, the HAU-M1 photosynthetic hydrogen production bacterium that the field that photosynthetic bacterium adopts the Ministry of Agriculture of Agricultural University Of He'nan renewable energy source novel material and equipment major test room to provide is tamed and come, through qualification, this bacterial classification is by Crimson rhodospirillum (Rhodospirillumrubrum) 27%, capsula Rhodopseudomonas (R.capsulata) 25%, Rhodopseudomonas palustris (R.pulastris) 28%, hydrogenlike silicon ion (Rhodobactersphaeroides) 9%, Rhodobacter capsulatus (Rhodobactercapsulatus) 11% etc.
Further, in step S1, described fresh feed pump adopts constant flow pump, by adjusting the flow velocity of fresh feed pump, the Hydraulic retention time of system is made to be 30-36h, make constantly to supplement the photosynthetic bacterium being in vegetative period, discharge the photosynthetic bacterium of decline, guarantee to produce photosynthetic bacterium in hydrogen reactor and keep best physiological status.
For a person skilled in the art, according to above technical scheme and design, various corresponding change and distortion can be made, and all these change and distortion all should be included within the protection domain of the claims in the present invention.
Claims (10)
1. tower photosynthetic bacterium produces a H-H reaction system continuously, it is characterized in that: the board-like product hydrogen reactor of hollow comprising multiple printing opacity; All product hydrogen reactors are vertically corresponding in turn to arrangement in tower-like; Be connected by center tube between every two adjacent product hydrogen reactors, the top of center tube is communicated in the bottom centre position of the product hydrogen reactor being positioned at top, and end is then communicated in the top center of the product hydrogen reactor being positioned at below; The end face of each product hydrogen reactor is provided with means of illumination; Be communicated at least one fresh feed pump bottom the product hydrogen reactor being positioned at the lowest layer, described fresh feed pump is then communicated at least one material feeding box; The top being positioned at the product hydrogen reactor of most top layer is communicated at least one gas-liquid separating box, and the top of described gas-liquid separating box is communicated at least one expansion box, and the side of gas-liquid separating box is then communicated in waste liquid collecting box.
2. tower photosynthetic bacterium according to claim 1 produces H-H reaction system continuously, it is characterized in that, it is a series of concentric(al) circles LED in the center of circle that the means of illumination set by each product hydrogen reactor end face includes with center tube.
3. tower photosynthetic bacterium according to claim 2 produces H-H reaction system continuously, it is characterized in that, described LED is equidistant concentric arrays.
4. tower photosynthetic bacterium according to claim 1 produces H-H reaction system continuously, it is characterized in that, the bottom surface of described product hydrogen reactor is circular flat, the inclined-plane that end face then increases gradually for ecto-entad.
5. tower photosynthetic bacterium according to claim 1 produces H-H reaction system continuously, it is characterized in that, described product hydrogen reactor is made primarily of synthetic glass.
6. tower photosynthetic bacterium according to claim 1 produces H-H reaction system continuously, it is characterized in that, described fresh feed pump is constant flow pump.
7. tower photosynthetic bacterium according to claim 1 produces H-H reaction system continuously, it is characterized in that, also comprises at least two pillar stiffeners, and each product hydrogen reactor is all connected to described pillar stiffener.
8. utilize the tower photosynthetic bacterium described in above-mentioned arbitrary claim to produce the product hydrogen methods of H-H reaction system continuously, it is characterized in that, comprise the steps:
S1 adds photosynthetic bacterium and biomass straw enzymolysis solution by a certain percentage in material feeding box, is mixed to get reaction solution, then switches on power, then fresh feed pump and LED are opened; Biomass straw enzymolysis solution is the supernatant liquor obtained after utilizing cellulase that biomass straw is carried out enzymolysis, wherein containing reducing sugar;
First reaction solution in S2 material feeding box enters the product hydrogen reactor being positioned at the lowest layer under the effect of fresh feed pump, and flow from the bottom up and be full of each product hydrogen reactor, the photosynthetic bacterium in each product hydrogen reactor in reaction solution utilizes the reducing sugar in biomass straw enzymolysis solution to carry out photosynthetic hydrogen production under the illumination effect of the LED set by corresponding product hydrogen reactor;
The hydrogen produced in each product hydrogen reactor of S3 is under buoyancy, from lateral intermediate flow, and from lower to upper part flowing, upper strata reaction solution ecto-entad motion in band movable property hydrogen reactor, lower floor's reaction solution moves from inside to outside, thus realizes producing reaction solution oneself stirring in hydrogen reactor;
S4 each produce the hydrogen produced in hydrogen reactor and under buoyancy, produce hydrogen reactor through each from bottom to top and enter in gas-liquid separating box, and enter expansion box through gas-liquid separating box; Reaction solution also under the effect of fresh feed pump after through entering into gas-liquid separating box by the product hydrogen reactor being positioned at most top layer, and flow into waste liquid collecting box from gas-liquid separating box side.
9. product hydrogen methods according to claim 8, it is characterized in that, the photosynthetic bacterium that step S1 adds, for inoculating with the photosynthetic bacterium in logarithmic phase later stage, with 30% bacterial load and 70% growth medium, intensity of illumination be 3000lx, temperature carries out cultivating under being 30 DEG C of conditions and obtains.
10. product hydrogen methods according to claim 8, it is characterized in that, in step S1, described fresh feed pump adopts constant flow pump, by adjusting the flow velocity of fresh feed pump, the Hydraulic retention time making system is 30-36h, makes constantly to supplement the photosynthetic bacterium being in vegetative period, discharge the photosynthetic bacterium of decline, guarantee to produce photosynthetic bacterium in hydrogen reactor and keep best physiological status.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108179100A (en) * | 2018-03-26 | 2018-06-19 | 尹康康 | A kind of photosynthetic bacteria screening and culturing method |
| CN108410723A (en) * | 2018-03-26 | 2018-08-17 | 尹康康 | A kind of photosynthetic bacteria culture systems |
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| CN101538587A (en) * | 2009-03-23 | 2009-09-23 | 河南农业大学 | Method for continuously producing hydrogen with photosynthetic bacteria and apparatus thereof |
| CN102304468A (en) * | 2011-08-12 | 2012-01-04 | 河南农业大学 | Device for enhancing hydrogen production activity of photosynthetic bacteria |
| CN103627626A (en) * | 2013-11-05 | 2014-03-12 | 河南农业大学 | Novel optical channel photosynthetic biological hydrogen production device |
| WO2015193214A1 (en) * | 2014-06-16 | 2015-12-23 | Bayer Technology Services Gmbh | Reaction chamber for a chemical reactor, and chemical reactor constructed therefrom |
| CN205241702U (en) * | 2015-12-25 | 2016-05-18 | 河南农业大学 | H -H reaction system is produced in succession to tower photosynthetic bacteria |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101538587A (en) * | 2009-03-23 | 2009-09-23 | 河南农业大学 | Method for continuously producing hydrogen with photosynthetic bacteria and apparatus thereof |
| CN102304468A (en) * | 2011-08-12 | 2012-01-04 | 河南农业大学 | Device for enhancing hydrogen production activity of photosynthetic bacteria |
| CN103627626A (en) * | 2013-11-05 | 2014-03-12 | 河南农业大学 | Novel optical channel photosynthetic biological hydrogen production device |
| WO2015193214A1 (en) * | 2014-06-16 | 2015-12-23 | Bayer Technology Services Gmbh | Reaction chamber for a chemical reactor, and chemical reactor constructed therefrom |
| CN205241702U (en) * | 2015-12-25 | 2016-05-18 | 河南农业大学 | H -H reaction system is produced in succession to tower photosynthetic bacteria |
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| CN108179100A (en) * | 2018-03-26 | 2018-06-19 | 尹康康 | A kind of photosynthetic bacteria screening and culturing method |
| CN108410723A (en) * | 2018-03-26 | 2018-08-17 | 尹康康 | A kind of photosynthetic bacteria culture systems |
| CN108179100B (en) * | 2018-03-26 | 2021-06-08 | 山东百沃生物科技有限公司 | Photosynthetic bacteria screening and culturing method |
| CN108410723B (en) * | 2018-03-26 | 2021-08-13 | 上海持美生物环保科技有限公司 | Photosynthetic bacteria culture system |
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