CN108929843B - Biomass photosynthetic bacteria hydrogen production device - Google Patents
Biomass photosynthetic bacteria hydrogen production device Download PDFInfo
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- CN108929843B CN108929843B CN201810810942.4A CN201810810942A CN108929843B CN 108929843 B CN108929843 B CN 108929843B CN 201810810942 A CN201810810942 A CN 201810810942A CN 108929843 B CN108929843 B CN 108929843B
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 57
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 57
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 230000000243 photosynthetic effect Effects 0.000 title claims abstract description 37
- 241000894006 Bacteria Species 0.000 title claims abstract description 36
- 239000002028 Biomass Substances 0.000 title claims abstract description 27
- 238000005286 illumination Methods 0.000 claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 239000013307 optical fiber Substances 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 238000003756 stirring Methods 0.000 claims description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 13
- 238000010248 power generation Methods 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
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- 238000005516 engineering process Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
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- 239000002994 raw material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 150000002431 hydrogen Chemical class 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- 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
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- 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
- C12M31/00—Means for providing, directing, scattering or concentrating light
- C12M31/10—Means for providing, directing, scattering or concentrating light by light emitting elements located inside the reactor, e.g. LED or OLED
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
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- Organic Chemistry (AREA)
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- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Sustainable Development (AREA)
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- Biomedical Technology (AREA)
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- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention relates to a biomass photosynthetic bacteria hydrogen production device, and belongs to the technical field of new energy. The biomass photosynthetic bacteria hydrogen production device comprises a spherical reactor and an illumination mechanism, wherein the spherical reactor comprises a container body and a rubber plug, the container body is provided with a reaction cavity and a container opening, and the rubber plug is arranged at the container opening and seals the reaction cavity; the illumination mechanism comprises an optical fiber machine, a first support, optical fibers and point light sources, wherein the first support is fixed to a rubber plug and is spirally arranged in the reaction cavity, the optical fibers are arranged along the first support, and a plurality of point light sources are distributed on the optical fibers of the two first supports at intervals. The optical fibers are used for arranging the plurality of point light sources in the reaction cavity and spirally distributing light, so that each position in the reaction cavity is fully illuminated as much as possible, the influence of light permeability on different parts of the reaction liquid is avoided to the greatest extent, the light sources are dispersed in the reactor, the requirement of uniform light distribution can be met, the light saturation effect caused by light distribution of a single lighting surface can be reduced, and the hydrogen production efficiency is effectively improved.
Description
Technical Field
The invention belongs to the technical field of new energy, and particularly relates to a biomass photosynthetic bacteria hydrogen production device.
Background
The increasing depletion of fossil energy and the environmental pollution problems associated with its use have forced the development of new clean renewable energy sources to meet the needs of future economic and social developments. Hydrogen energy is recognized as the main energy carrier form in the future because of high energy density, pollution-free combustion and various utilization forms. The development modes of 'hydrogen economy' and 'hydrogen society' taking hydrogen energy use as cores are the longing of people to future energy use technologies. The current hydrogen energy production mode based on fossil energy has serious environmental pollution and high energy consumption, and the dependence on fossil energy also has to be towards the end point along with the exhaustion of fossil energy. Biological hydrogen production is a process of releasing hydrogen by utilizing the metabolism of microorganisms, and has mild hydrogen production conditions, environmental friendliness and rich raw material sources, and is considered as a main alternative form of future hydrogen energy production. In various biological hydrogen production technologies, common hydrogen production modes include photosynthetic hydrogen production and anaerobic fermentation hydrogen production, and from the aspect of hydrogen production capacity, the hydrogen production efficiency of photosynthetic bacteria is far higher than that of anaerobic fermentation hydrogen production, and anaerobic hydrogen production bacteria cannot thoroughly utilize fermentation substrates to cause accumulation of organic acid, inhibit reaction, and cause environmental hazard due to incomplete utilization of raw materials; the photosynthetic bacteria hydrogen production can also utilize various organic acids and organic wastes to produce hydrogen, so that the dual purposes of hydrogen energy production and waste treatment are realized, and the problems of hot research on hydrogen production technology are solved.
In the prior art, due to the limitation of the reaction vessel, the light intensity received by photosynthetic bacteria in the reaction vessel is different, thereby influencing the hydrogen production efficiency.
Disclosure of Invention
In view of the above, an object of the embodiments of the present invention is to provide a biomass photosynthetic bacteria hydrogen production device, in which a plurality of point light sources are disposed in a reaction chamber through optical fibers and light is spirally distributed, so that each position in the reaction chamber is fully illuminated as much as possible, the influence of light permeability on different positions of a reaction solution is avoided to the greatest extent, the light sources are dispersed in the reactor, so that the requirement of uniform light distribution can be achieved, the light saturation effect caused by light distribution on a single light collecting surface can be reduced, and the hydrogen production efficiency is effectively improved.
Embodiments of the present invention are implemented as follows:
The embodiment of the invention provides a biomass photosynthetic bacteria hydrogen production device, which comprises a spherical reactor and an illumination mechanism, wherein the spherical reactor comprises a container body and a rubber plug, the container body is provided with a reaction cavity and a container opening, the rubber plug is arranged at the container opening and seals the reaction cavity, and the rubber plug is provided with an air outlet pipe communicated with the reaction cavity; the illumination mechanism comprises an optical fiber machine, a first support, optical fibers and point light sources, wherein the number of the first supports is two, the first supports are fixed on the rubber plug and spirally arranged in the reaction cavity, the optical fibers are arranged along the first supports, and the optical fibers of the two first supports are uniformly distributed with a plurality of point light sources at intervals.
As an alternative to the above embodiment, the biomass photosynthetic bacteria hydrogen production device further includes a stirring system, where the stirring system includes a second bracket, a housing, a motor, a transmission mechanism, and a stirrer, and both the housing and the motor are fixed on the second bracket; the transmission mechanism is fixed on the housing and comprises a first driven gear, a duplex gear, a second driven gear, a gear ring and three planetary gears, wherein the first driven gear is rotatably fixed on the housing and is in transmission fit with the motor, the first driven gear and the second driven gear are in transmission fit through the duplex gear, the duplex gear is rotatably fixed on the housing, the three planetary gears are meshed in the gear ring, and the gear ring and the three planetary gears are rotatably fixed on the housing; the stirrer comprises a fixed seat, a guide piece, a stirring rod and stirring blades, wherein the fixed seat is annular and is fixedly connected with the housing, a guide blind hole is formed in the inner surface of the fixed seat, the guide piece comprises a guide rod and a guide block, one end of the guide rod is fixedly connected with the guide block, the guide block is crescent and bends towards one side far away from the guide rod, and the guide rod is rotatably embedded in the guide blind hole; the stirring rod is provided with a lifting chute and transmission teeth, the lifting chute comprises a lifting chute and a descending chute, the rotation directions of the lifting chute and the rotation directions of the descending chute are opposite and are intersected, the top end of the lifting chute is communicated with the top end of the descending chute and is in smooth transition to form a top steering section, the bottom end of the lifting chute is communicated with the bottom end of the descending chute and is in smooth transition to form a bottom steering section, the circumferential surface of the stirring rod is provided with a plurality of transmission teeth, the transmission teeth extend along the axial direction of the stirring rod and are meshed with three planet gears, a gear groove is formed between every two adjacent transmission teeth, the depth of the gear groove is smaller than that of the lifting chute, and the stirring blades are arranged at one end of the stirring rod; the top of container body is provided with two annular baffle rings, two baffle rings set up with one heart, two form the water seal groove between the baffle rings, the open end of housing set up in the water seal groove, the open end of housing is provided with a plurality of breach, the height of breach is less than the top height of water seal groove, first driven gear is fixed in the outer wall of housing stretches into from the breach in the housing, duplicate gear the second driven gear the ring gear with the planet wheel all is located inside the housing, the outlet duct runs through the housing.
As an alternative to the above embodiment, the stirring system further includes a power generation mechanism connected to the storage battery, and a storage battery connected to the motor and configured to supply power to the motor, the power generation mechanism includes a third bracket, a solar panel, and a positioning tracker, the solar panel is obliquely disposed on the third bracket, and the positioning tracker is fixed on the solar panel; the positioning tracker comprises a controller, illumination intensity detectors, a light filter and an adjusting hydraulic cylinder, wherein the illumination intensity detectors are multiple in number and are respectively used for detecting illumination intensity, the controller can receive the illumination intensity detected by the illumination intensity detectors, the light filter comprises a plurality of filtering monomers, each filtering monomer comprises a base and a steel tube, the base is parallel to the solar panel, the steel tubes are arranged on the base, each steel tube is internally provided with one illumination intensity detector, and the filtering monomers are distributed in a rectangular array and are partially different in inclination angle; the adjusting hydraulic cylinder comprises a first hydraulic cylinder and a second hydraulic cylinder, the solar panel is rotatably connected with the third bracket through steering ball dumplings, the first hydraulic cylinder, the second hydraulic cylinder and the steering ball dumplings are distributed in a triangular shape, when the first hydraulic cylinder stretches out and draws back or the second hydraulic cylinder stretches out and draws back, the steering ball dumplings rotate and can adjust the inclination angle of the solar panel relative to the horizontal plane, and the controller respectively adjusts the lengths of the first hydraulic cylinder and the second hydraulic cylinder according to the illumination intensity values detected by the illumination intensity detectors.
As an alternative to the above embodiment, the plurality of filtering units are divided into a reference unit and twenty-four auxiliary units and form a 5*5 rectangular array, the reference unit is located at the center of the rectangular array, the reference unit includes a first base and a first steel pipe, and the first steel pipe is perpendicular to the first base; the auxiliary unit comprises a second base, a second steel pipe and an angle adjuster, one end of the second steel pipe is hinged with the second base, the second base comprises two first bottom plates and two second bottom plates, the first bottom plates are provided with stepped holes, the two first bottom plates are attached and enclose to form a first through hole with an embedded groove on the circumferential surface, the second bottom plates are round, the two second bottom plates are attached and the edge of the second bottom plates are embedded in the embedded groove, the second bottom plates can rotate relative to the first bottom plates, the second bottom plates are provided with second through holes with gradually reduced diameters, and the second through holes Kong Wei of the second bottom plates form ball-shaped dumpling holes; the angle adjuster comprises an adjusting sleeve, an adjusting rod, an adjusting spring, an adjusting ball and an adjusting nut, wherein the adjusting sleeve is slidably sleeved on the second steel pipe, one end of the adjusting rod is hinged to the adjusting sleeve, a limiting ring is arranged in the middle of the adjusting rod, the adjusting ball is rotatably arranged in a ball dumpling hole and forms a ball dumpling mechanism, the adjusting ball is provided with a third through hole, the adjusting rod is slidably arranged in the third through hole in a penetrating mode, the adjusting spring is sleeved on the adjusting rod, two ends of the adjusting spring are respectively abutted to the limiting ring and the adjusting ball, the adjusting nut is in threaded engagement with the adjusting rod and abutted to the adjusting ball, and the adjusting nut and the adjusting spring are respectively located on two sides of the adjusting ball.
As an alternative of the foregoing embodiment, the second base further includes at least one positioning member, where the positioning member includes a positioning tube, a positioning spring, and a positioning block, one of the first bottom plates is provided with a positioning hole, the positioning hole is communicated with the embedded groove, the positioning tube is fixed in the positioning hole, the positioning spring and the positioning block are both disposed in the positioning tube, and the positioning spring abuts against an inner surface of the positioning tube and the positioning block respectively and compresses the positioning block on one of the second bottom plates, so that the second bottom plate is fixed relative to the first bottom plate.
As an alternative to the above embodiments, the positioning tube is threadably engaged with the positioning hole.
As an alternative of the foregoing embodiment, the positioning tube includes a tube body and a tube cover, the tube body is hollow and has two open ends, the tube cover is disposed at one end of the tube body and seals one end of the tube body, the tube cover is in threaded engagement with an inner surface of the tube body, so that a position of the tube cover in the tube body is adjustable, and two ends of the positioning spring are respectively abutted to the tube cover and the positioning block.
As an alternative to the foregoing embodiment, a line between the first hydraulic cylinder and the steering ball dumpling is a first reference line, and a line between the second hydraulic cylinder and the steering ball dumpling is a second reference line, where the first reference line and the second reference line are perpendicular to and intersect with the steering ball dumpling.
As an alternative to the foregoing embodiment, one of the first base plates is provided with a plurality of first scales, the plurality of first scales are distributed in a ring shape with an axis of the second base plate as a center, and the second base plate is provided with second scales, and the second scales are disposed on an edge of the second base plate and are located on the first reference line or the second reference line.
As an alternative scheme of the above embodiment, the biomass photosynthetic bacteria hydrogen production device further includes a constant temperature system, the constant temperature system includes a solar water heater and a constant temperature water tank, the solar water heater is communicated with the constant temperature water tank, the container body includes an inner wall and an outer wall, the outer wall is disposed on the outer side of the inner wall, a constant temperature cavity is formed between the outer wall and the inner wall, a water inlet and a water outlet are disposed on the outer wall, the water inlet and the water outlet are all communicated with the constant temperature cavity, the water inlet is disposed at the bottom end of the outer wall, the water outlet is disposed at the top end of the outer wall, the water inlet is communicated with the constant temperature water tank, and the water outlet is communicated with the solar water heater.
The beneficial effects of the invention are as follows:
According to the biomass photosynthetic bacteria hydrogen production device provided by the invention, the plurality of point light sources are arranged in the reaction cavity through the optical fibers and the light is spirally distributed, so that each position in the reaction cavity is fully illuminated as much as possible, the influence of light permeability on different parts of reaction liquid is avoided to the greatest extent, the light sources are dispersed in the reactor, the requirement of uniform light distribution can be met, the light saturation effect caused by light distribution of a single lighting surface can be reduced, and the hydrogen production efficiency is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the several views of the drawings. The drawings are not intended to be drawn to scale, with emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 shows a schematic structural diagram of a biomass photosynthetic bacteria hydrogen production device provided by a first embodiment of the present invention;
FIG. 2 shows a cross-sectional view of a spherical reactor;
FIG. 3 shows a schematic structural diagram of a biomass photosynthetic bacteria hydrogen production device provided by a second embodiment of the present invention;
FIG. 4 shows a cross-sectional view of a spherical reactor;
FIG. 5 shows an enlarged partial schematic view of FIG. 4;
FIG. 6 shows a schematic structural view of the holder;
fig. 7 shows a schematic structural view of the guide;
FIG. 8 shows a schematic structural view of a stirring rod and stirring vanes;
FIG. 9 shows the expanded schematic of FIG. 8;
FIG. 10 shows a schematic diagram of the cooperation of the controller, the light intensity detector and the adjustment cylinder;
FIG. 11 shows a schematic view of the structure of a light filter;
FIG. 12 is a schematic diagram showing the positional relationship of the adjustment cylinder and the steering ball dumpling;
FIG. 13 shows a cross-sectional view of FIG. 10;
Fig. 14 shows a schematic structural view of the auxiliary unit;
FIG. 15 shows a cross-sectional view of FIG. 14;
FIG. 16 shows a schematic structural view of a positioning member;
FIG. 17 is a schematic diagram showing one of the positional relationships of the light rays and the light ray filters;
fig. 18 shows another positional relationship between light and light filter.
Reference numerals:
10-a biomass photosynthetic bacteria hydrogen production device;
11-a spherical reactor; 12-an illumination mechanism; 13-a constant temperature system; 14-a stirring system;
110-a container body; 111-rubber plugs; 112-reaction chamber; 113-an outlet pipe; 114-a water inlet; 115-water outlet; 116-constant temperature cavity;
120-optical fiber machine; 121-a first rack; 122-point light sources;
130-a solar water heater; 131-a constant temperature water tank;
140-a second bracket; 141-a housing; 142-motor; 143-a transmission mechanism; 144-stirrer; 150-a first driven gear; 151-duplex gear; 152-a second driven gear; 153-ring gear; 154-planet wheels; 156-fixing seat; 157-guides; 158-stirring rod; 159-stirring blade; 161-guiding rod; 162-guide block; 163-lifting chute; 164-drive teeth; 167-a baffle ring; 168-a water seal groove; 169-notch; 171-a power generation mechanism; 172-a battery; 173-a third rack; 174-solar panel; 175-a positioning tracker; 177-controller; 178-illumination intensity detector; 179-a light filter; 180-adjusting a hydraulic cylinder; 181-filtering the monomer; 182-a first hydraulic cylinder; 183-second hydraulic cylinder; 184-steering ball dumplings; 186-reference cell; 187-an auxiliary unit; 188-a first base; 189-first steel pipe; 190-a second base; 191-a second steel pipe; 192-angle adjuster; 194-a first floor; 195-a second floor; 196-embedding grooves; 197-adjusting the sleeve; 198-adjusting the rod; 199-adjusting the spring; 200-adjusting ball; 201-adjusting a nut; 202-limiting rings; 206-positioning piece; 207-positioning a tube; 208-positioning a spring; 209-positioning blocks; 210-a tube body; 211-tube cap; 215-a first scale; 216-second scale.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Referring to fig. 1, a first embodiment of the present invention provides a biomass photosynthetic bacteria hydrogen production device 10, where the biomass photosynthetic bacteria hydrogen production device 10 is used for producing hydrogen by photosynthetic bacteria, and the solution required for hydrogen production can be referred to the prior art and will not be described herein. The specific structure of the biomass photosynthetic bacteria hydrogen production device 10 is as follows:
the biomass photosynthetic bacteria hydrogen production device 10 comprises a spherical reactor 11, an illumination mechanism 12 and a constant temperature system 13.
The spherical reactor 11 can be made of glass, has light transmittance, and can directly irradiate the interior of the spherical reactor 11 through sunlight under the condition of good illumination, so that sufficient illumination is provided for photosynthetic bacteria in the spherical reactor. Referring to fig. 2, the spherical reactor 11 includes a container body 110 and a rubber stopper 111, the container body 110 is provided with a reaction chamber 112 and a container opening, the rubber stopper 111 is disposed at the container opening and seals the reaction chamber 112, and an air outlet pipe 113 communicating with the reaction chamber 112 is disposed on the rubber stopper 111.
The reaction chamber 112 contains the reaction solution and the photosynthetic bacteria, the reaction chamber 112 is closed, the photosynthetic bacteria work in a closed environment, the influence of the external environment is reduced, and the hydrogen can be discharged through the gas outlet pipe 113.
The illumination mechanism 12 includes a fiber optic machine 120, a first support 121, optical fibers, and a point light source 122.
The optical fiber machine 120 may refer to the prior art, and may provide different spectra, the number of the first supports 121 is two, the first supports 121 are fixed on the rubber plug 111 and spirally disposed in the reaction chamber 112, in this embodiment, one of the supports is located inside the other support.
The optical fiber is disposed along the first support 121, and the plastic (polymer) optical fiber is mainly used for transmission of visible rays due to large light attenuation loss and poor fidelity, and thus is also called an "illumination optical fiber". The end-light optical fiber mainly concentrates light rays to propagate in an axial direction, and light loss along the path is less, so that the end-light optical fiber is used for long-distance light ray transmission. The end light optical fiber widely applied to engineering illumination at present comprises a single-core optical fiber and a multi-core optical fiber, and for the photosynthetic hydrogen production reactor, as the reactor has a complex structure and is internally required to realize multi-point light distribution, the single-core optical fiber cannot realize the illumination requirement in the axial direction, and meanwhile, the single-core optical fiber cannot realize the bending requirement of the optical fiber in the reactor. Therefore, under the same luminous flux condition, the multi-core optical fiber can be used for intercepting in different axial directions, so that the point light source 122 is arranged in length and the bending requirement of the reactor can be realized.
A plurality of point light sources 122 are distributed on the optical fibers of the two first brackets 121 at intervals. The 75-core multi-core plastic polymer optical fiber is used as a sunlight transmission channel, and the arrangement of the point light sources 122 along the way is realized through sectional shearing. In order to meet the illumination intensity requirement of the point light sources 122, 10-core optical fibers are used as a group of point light sources 122 for shearing and fixing during light splitting, and the distance between the point light sources 122 is kept to be 10cm. And a sodium glass tube with better light transmission performance is used as an isolating light distribution device to form a light distribution channel of the reactor. The size of the glass cloth light pipe is determined to be phi 20 multiplied by 720mm according to the size of the optical fiber and the distribution condition of the light source along the optical fiber.
The sodium glass tube may be used as the first bracket 121 directly, or may be provided independently of the first bracket 121 and fixed to the first bracket 121.
In addition, the constant temperature system 13 includes a solar water heater 130 and a constant temperature water tank 131, and the solar water heater 130 communicates with the constant temperature water tank 131.
The container body 110 comprises an inner wall and an outer wall, the outer wall is arranged on the outer side of the inner wall, a constant temperature cavity 116 is formed between the outer wall and the inner wall, a water inlet 114 and a water outlet 115 are arranged on the outer wall, the water inlet 114 and the water outlet 115 are communicated with the constant temperature cavity 116, the water inlet 114 is arranged at the bottom end of the outer wall, the water outlet 115 is arranged at the top end of the outer wall, the water inlet 114 is communicated with a constant temperature water tank 131, and the water outlet 115 is communicated with the solar water heater 130.
Through the combined action of the solar water heater 130 and the constant temperature water tank 131, the temperature of the liquid in the constant temperature cavity 116 is maintained in a proper range, so that the constant temperature in the reaction cavity 112 is ensured, the continuous and stable operation of photosynthetic bacteria is facilitated, and the hydrogen production efficiency is improved.
Second embodiment
Referring to fig. 3, a second embodiment of the present invention provides a biomass photosynthetic bacteria hydrogen production device 10, where the biomass photosynthetic bacteria hydrogen production device 10 further includes a stirring system 14, the stirring system 14 is configured to stir a reaction solution in a reaction chamber 112, so that different parts of the reaction solution change positions at any time, and can be contacted with sufficient illumination, so that the influence of light permeability on different parts of the reaction solution is avoided to the greatest extent.
The specific structure of the stirring system 14 is as follows: referring to fig. 4 and 5, the stirring system 14 includes a second bracket 140, a housing 141, a motor 142, a transmission mechanism 143, a stirrer 144, a power generation mechanism 171 and a battery 172
Specifically, the second bracket 140 is a frame structure, the casing 141 and the motor 142 are both fixed on the second bracket 140, the casing 141 is a cylinder with one end open, and the open end of the casing 141 is provided with a plurality of notches 169.
The transmission mechanism 143 is fixed on the housing 141, and the specific structure of the transmission mechanism 143 is as follows: the transmission 143 includes a first driven gear 150, a duplex gear 151, a second driven gear 152, a ring gear 153, and three planetary gears 154.
The first driven gear 150 is rotatably fixed to the housing 141 and is in driving engagement with the motor 142, where "rotatably fixed to" means that the rotating shaft of the first driven gear 150 is fixed to the housing 141, and the gear portion of the first driven gear 150 may rotate relative to the rotating shaft, the motor 142 may drive the first driven gear 150 to rotate through a driving belt, the first driven gear 150 and the second driven gear 152 are in driving engagement through a duplex gear 151, the duplex gear 151 is rotatably fixed to the housing 141, three planetary gears 154 are meshed with the inside of the ring gear 153, and both the ring gear 153 and the three planetary gears 154 are rotatably fixed to the housing 141.
The specific structure of the stirrer 144 is: stirrer 144 includes a fixed seat 156, a guide 157, a stirring rod 158, and stirring blades 159.
Referring to fig. 6, the fixing seat 156 is annular and is fixedly connected with the housing 141, the inner surface of the fixing seat 156 is provided with a guide blind hole, referring to fig. 7, the guide member 157 comprises a guide rod 161 and a guide block 162, one end of the guide rod 161 is fixedly connected with the guide block 162, the guide block 162 is crescent and is bent towards one side far away from the guide rod 161, and the guide rod 161 is rotatably embedded in the guide blind hole.
Referring to fig. 8 and 9, the stirring rod 158 is provided with a lifting chute 163 and a driving gear 164.
The lifting chute 163 comprises a lifting chute and a descending chute, the rotation directions of the lifting chute and the descending chute are opposite and are intersected, the top end of the lifting chute is communicated with the top end of the descending chute and is smoothly transited to form a top turning section, and the bottom end of the lifting chute is communicated with the bottom end of the descending chute and is smoothly transited to form a bottom turning section.
Be provided with a plurality of driving teeth 164 on the global of puddler 158, the axial extension of driving teeth 164 along puddler 158 just meshes with three planet wheel 154, and ring gear 153, puddler 158 and three planet wheel 154 cooperation form planetary gear mechanism, form the gear groove between two adjacent driving teeth 164, and the degree of depth of gear groove is less than the degree of depth of lift spout 163, and stirring leaf 159 sets up in the one end of puddler 158.
When the stirring rod 158 rotates, the stirring rod can rotate and move up and down, so that the reaction liquids with different heights in the reaction cavity 112 are stirred, and the stirring is more uniform and sufficient.
With continued reference to fig. 4, the top of the container body 110 is provided with two annular baffle rings 167, the two baffle rings 167 are concentrically arranged, a water seal groove 168 is formed between the two baffle rings 167, the opening end of the housing 141 is disposed in the water seal groove 168, the height of the notch 169 is smaller than the top height of the water seal groove 168, the first driven gear 150 is fixed on the outer wall of the housing 141 and extends into the housing 141 from the notch 169, the duplex gear 151, the second driven gear 152, the gear ring 153 and the planet gears 154 are all disposed in the housing 141, and the air outlet pipe 113 penetrates through the housing 141.
Through the water seal, can be with reaction space and external isolation, avoid external environment's interference to can not influence rabbling mechanism's normal work.
The transmission mechanism 143 and the agitator 144 are fixed to the housing 141, and can be carried out together when it is necessary to attach and detach the spherical reactor 11, thereby saving time and labor.
The operating principle of the transmission 143: the motor 142 drives the first driven gear 150 to rotate, the first driven gear 150 drives the double gear 151 to rotate, the double gear 151 drives the second driven gear 152 to rotate, the second driven gear 152 drives the planet gears 154 to rotate, and the planet gears 154 and the gear ring 153 drive the stirring rod 158 to rotate.
The power generation mechanism 171 is connected with the storage battery 172, the storage battery 172 is connected with the motor 142 and is used for providing power to the motor 142, the power generation mechanism 171 comprises a third bracket 173, a solar panel 174 and a positioning tracker 175, the solar panel 174 is obliquely arranged on the third bracket 173, and the positioning tracker 175 is fixed on the solar panel 174.
The power generation mechanism 171 absorbs solar energy and is used to charge the battery 172, and the battery 172 is used to store electric energy and supply power to the motor 142.
The third stand 173 is for supporting a solar panel 174 and a positioning tracker 175, the solar panel 174 being for absorbing solar energy.
The positioning tracker 175 is used for tracking the irradiation angle of sunlight and controlling the inclination angle of the solar panel 174, and specifically, referring to fig. 10 and 11, the positioning tracker 175 includes a controller 177, an illumination intensity detector 178, a light filter 179, and an adjusting hydraulic cylinder 180.
The number of the illumination intensity detectors 178 is plural and each is used for detecting illumination intensity, and the illumination intensity detectors 178 may refer to the prior art, or may employ a photoresistor, a photosensor, or the like.
The controller 177 can receive the illumination intensity detected by the illumination intensity detector 178, compare the illumination intensities detected by different illumination intensity detectors 178, and adjust the solar panel 174 according to preset data, so that the sunlight is directly irradiated, and solar energy is utilized to a greater extent.
The light filter 179 is mainly used for shielding the illumination intensity detector 178 to make the light sensor different from different angles, and specifically, the light filter 179 includes a plurality of filtering units 181.
The filtering monomers 181 comprise bases and steel pipes, the bases are parallel to the solar panels 174, the steel pipes are arranged on the bases, an illumination intensity detector 178 is arranged in each steel pipe, and the filtering monomers 181 are distributed in a rectangular array and the inclination angles of the partial steel pipes are different.
The illumination intensity detected by the illumination intensity detector 178 is maximum when the sunlight is parallel to the steel pipe, and the illumination intensity detected by the illumination intensity detector 178 is small when the sunlight is not parallel to the steel pipe.
Referring to fig. 12, the adjusting hydraulic cylinder 180 includes a first hydraulic cylinder 182 and a second hydraulic cylinder 183, and the solar panel 174 is rotatably connected to the third bracket 173 through a steering ball dumpling 184, where the first hydraulic cylinder 182, the second hydraulic cylinder 183 and the steering ball dumpling 184 are distributed in a triangle shape.
When the first hydraulic cylinder 182 stretches or the second hydraulic cylinder 183 stretches, the steering ball dumpling 184 rotates and can adjust the inclination angle of the solar panel 174 relative to the horizontal plane, and the controller 177 respectively adjusts the lengths of the first hydraulic cylinder 182 and the second hydraulic cylinder 183 according to the illumination intensity values detected by the illumination intensity detectors 178.
In this embodiment, referring to fig. 11 and 13, the plurality of filtering units 181 are divided into a reference unit 186 and twenty-four auxiliary units 187, and a rectangular array is formed 5*5, and the reference unit 186 is located at the center of the rectangular array.
The reference unit 186 includes a first base 188 and a first steel pipe 189, the first steel pipe 189 being perpendicular to the first base 188.
Referring to fig. 14, the auxiliary unit 187 includes a second base 190, a second steel pipe 191, and an angle adjuster 192.
Referring to fig. 15, one end of a second steel tube 191 is hinged to a second base 190, the second base 190 includes two first bottom plates 194 and two second bottom plates 195, the first bottom plates 194 are provided with stepped holes, the two first bottom plates 194 are attached to each other and enclose a first through hole with an embedded groove 196 on a circumferential surface, the second bottom plates 195 are circular, the two second bottom plates 195 are attached to each other and are embedded in the embedded groove 196 at edges, the second bottom plates 195 can rotate relative to the first bottom plates 194, second through holes with gradually reduced diameters are formed in the second bottom plates 195, and the second through holes of the two second bottom plates 195 enclose a dumpling hole.
Referring to fig. 15, the angle adjuster 192 includes an adjustment sleeve 197, an adjustment lever 198, an adjustment spring 199, an adjustment ball 200, and an adjustment nut 201.
The second steel pipe 191 is located to the slidable cover of adjusting sleeve 197, the one end and the adjusting sleeve 197 of adjusting lever 198 are articulated, the middle part of adjusting lever 198 is provided with spacing ring 202, adjusting ball 200 rotatable setting is downthehole and formation ball dumpling mechanism of ball dumpling, adjusting ball 200 is provided with the third through-hole, adjusting lever 198 slidable wears to locate in the third through-hole, adjusting spring 199 cover is located adjusting lever 198 and adjusting spring 199's both ends butt respectively in spacing ring 202 and adjusting ball 200, adjusting nut 201 and adjusting lever 198 screw thread meshing and support adjusting ball 200, adjusting nut 201 and adjusting spring 199 are located adjusting ball 200's both sides respectively.
The process of angle adjustment of solar panel 174:
Referring to fig. 17 and 18, five steel pipes are A, B, C, D, E from left to right, wherein C is a first steel pipe 189, a, B, D, E is a second steel pipe 191.
Referring to fig. 15, when the light is parallel to C, it is ideal that the light is perpendicular to the solar panel 174.
Referring to fig. 16, when the light is parallel to B, the light directly enters the interior of B, the light intensity detected by the light intensity detector 178 in the interior of B is greater than the light intensity detected by the light intensity detectors 178 in other steel pipes, and the information is transmitted to the controller 177, the controller 177 compares the light intensities detected by the different light intensity detectors 178, determines that the light intensity detected by the light intensity detector 178 in the interior of B is maximum, that is, the light is not perpendicular to the solar panel 174, and then controls the first hydraulic cylinder 182 or the second hydraulic cylinder 183 to operate so that the left end rises and the right end falls (relatively speaking) until the light intensity detected by the light intensity detector 178 in the interior of B is maximum, that is, the light is perpendicular to the solar panel 174, that is, the state of fig. 17.
For different steel pipes, refer to the working principle.
As an alternative to the above embodiment, the second base 190 further includes at least one positioning member 206, where the positioning member 206 includes a positioning tube 207, a positioning spring 208, and a positioning block 209, where one of the first bottom plates 194 is provided with a positioning hole, the positioning hole communicates with the embedded groove 196, and the positioning tube 207 is fixed in the positioning hole, and in this embodiment, the positioning tube 207 is in threaded engagement with the positioning hole, and of course, in other embodiments, it is also possible that the positioning tube 207 is completely fixed with the positioning hole by welding or the like, the threaded engagement is convenient for detachment and installation, and the position in the positioning tube 207 can be adjusted, so as to adjust the pressure between the positioning block 209 and the second bottom plate 195 (described later).
Positioning springs 208 and positioning blocks 209 are disposed within positioning tube 207, and positioning springs 208 respectively bear against the inner surface of positioning tube 207 and positioning blocks 209 and compress positioning blocks 209 against one of second base plates 195 to fix second base plate 195 relative to first base plate 194.
The positioning tube 207 comprises a tube body 210 and a tube cover 211, wherein the tube body 210 is hollow, two ends of the tube body 210 are open, the tube cover 211 is arranged at one end of the tube body 210 and seals one end of the tube body 210, the tube cover 211 is in threaded engagement with the inner surface of the tube body 210, so that the position of the tube cover 211 in the tube body 210 can be adjusted, and two ends of the positioning spring 208 are respectively abutted against the tube cover 211 and the positioning block 209.
The connection between the first hydraulic cylinder 182 and the steering ball dumpling 184 is a first reference line, the connection between the second hydraulic cylinder 183 and the steering ball dumpling 184 is a second reference line, and the first reference line and the second reference line are perpendicular and intersect at the steering ball dumpling 184.
For more convenient positioning, a plurality of first scales 215 are arranged on one first bottom plate 194, the plurality of first scales 215 are distributed in a ring shape by taking the axis of the second bottom plate 195 as the center, a second scale 216 is arranged on the second bottom plate 195, and the second scale 216 is arranged on the edge of the second bottom plate 195 and is positioned on a first reference line or a second reference line.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The biomass photosynthetic bacteria hydrogen production device is characterized by comprising a spherical reactor and an illumination mechanism, wherein the spherical reactor comprises a container body and a rubber plug, the container body is provided with a reaction cavity and a container opening, the rubber plug is arranged at the container opening and seals the reaction cavity, and the rubber plug is provided with an air outlet pipe communicated with the reaction cavity; the illumination mechanism comprises an optical fiber machine, a first support, optical fibers and point light sources, wherein the number of the first supports is two, the first supports are fixed on the rubber plug and are spirally arranged in the reaction cavity, the optical fibers are arranged along the first supports, and the optical fibers of the two first supports are respectively provided with a plurality of point light sources at intervals;
The biomass photosynthetic bacteria hydrogen production device further comprises a stirring system, wherein the stirring system comprises a second bracket, a housing, a motor, a transmission mechanism and a stirrer, and the housing and the motor are both fixed on the second bracket; the transmission mechanism is fixed on the housing and comprises a first driven gear, a duplex gear, a second driven gear, a gear ring and three planetary gears, wherein the first driven gear is rotatably fixed on the housing and is in transmission fit with the motor, the first driven gear and the second driven gear are in transmission fit through the duplex gear, the duplex gear is rotatably fixed on the housing, the three planetary gears are meshed in the gear ring, and the gear ring and the three planetary gears are rotatably fixed on the housing; the stirrer comprises a fixed seat, a guide piece, a stirring rod and stirring blades, wherein the fixed seat is annular and is fixedly connected with the housing, a guide blind hole is formed in the inner surface of the fixed seat, the guide piece comprises a guide rod and a guide block, one end of the guide rod is fixedly connected with the guide block, the guide block is crescent and bends towards one side far away from the guide rod, and the guide rod is rotatably embedded in the guide blind hole; the stirring rod is provided with a lifting chute and transmission teeth, the lifting chute comprises a lifting chute and a descending chute, the rotation directions of the lifting chute and the rotation directions of the descending chute are opposite and are intersected, the top end of the lifting chute is communicated with the top end of the descending chute and is in smooth transition to form a top steering section, the bottom end of the lifting chute is communicated with the bottom end of the descending chute and is in smooth transition to form a bottom steering section, the circumferential surface of the stirring rod is provided with a plurality of transmission teeth, the transmission teeth extend along the axial direction of the stirring rod and are meshed with three planet gears, a gear groove is formed between every two adjacent transmission teeth, the depth of the gear groove is smaller than that of the lifting chute, and the stirring blades are arranged at one end of the stirring rod; the top of the container body is provided with two annular baffle rings, the two baffle rings are concentrically arranged, a water seal groove is formed between the two baffle rings, the opening end of the housing is arranged in the water seal groove, the opening end of the housing is provided with a plurality of notches, the height of the notch is smaller than the top end of the water seal groove, the first driven gear is fixed on the outer wall of the housing and extends into the housing from the notch, the duplicate gear, the second driven gear, the gear ring and the planet gears are all positioned in the housing, and the air outlet pipe penetrates through the housing;
The stirring system further comprises a power generation mechanism and a storage battery, the power generation mechanism is connected with the storage battery, the storage battery is connected with the motor and is used for providing power for the motor, the power generation mechanism comprises a third bracket, a solar panel and a positioning tracker, the solar panel is obliquely arranged on the third bracket, and the positioning tracker is fixed on the solar panel; the positioning tracker comprises a controller, illumination intensity detectors, a light filter and an adjusting hydraulic cylinder, wherein the illumination intensity detectors are multiple in number and are respectively used for detecting illumination intensity, the controller can receive the illumination intensity detected by the illumination intensity detectors, the light filter comprises a plurality of filtering monomers, each filtering monomer comprises a base and a steel tube, the base is parallel to the solar panel, the steel tubes are arranged on the base, each steel tube is internally provided with one illumination intensity detector, and the filtering monomers are distributed in a rectangular array and are partially different in inclination angle; the adjusting hydraulic cylinder comprises a first hydraulic cylinder and a second hydraulic cylinder, the solar panel is rotatably connected with the third bracket through steering ball dumplings, the first hydraulic cylinder, the second hydraulic cylinder and the steering ball dumplings are distributed in a triangle shape, when the first hydraulic cylinder stretches or the second hydraulic cylinder stretches, the steering ball dumplings rotate and can adjust the inclination angle of the solar panel relative to the horizontal plane, and the controller respectively adjusts the lengths of the first hydraulic cylinder and the second hydraulic cylinder according to the illumination intensity values detected by the illumination intensity detectors;
The biomass photosynthetic bacteria hydrogen production device further comprises a constant temperature system, the constant temperature system comprises a solar water heater and a constant temperature water tank, the solar water heater is communicated with the constant temperature water tank, the container body comprises an inner layer wall and an outer layer wall, the outer layer wall is arranged on the outer side of the inner layer wall, a constant temperature cavity is formed between the outer layer wall and the inner layer wall, a water inlet and a water outlet are formed in the outer layer wall, the water inlet and the water outlet are both communicated with the constant temperature cavity, the water inlet is formed in the bottom end of the outer layer wall, the water outlet is formed in the top end of the outer layer wall, the water inlet is communicated with the constant temperature water tank, and the water outlet is communicated with the solar water heater;
The filtering units are divided into a reference unit and twenty-four auxiliary units and form a 5*5 rectangular array, the reference unit is positioned at the center of the rectangular array, the reference unit comprises a first base and a first steel pipe, and the first steel pipe is perpendicular to the first base; the auxiliary unit comprises a second base, a second steel pipe and an angle adjuster, one end of the second steel pipe is hinged with the second base, the second base comprises two first bottom plates and two second bottom plates, the first bottom plates are provided with stepped holes, the two first bottom plates are attached and enclose to form a first through hole with an embedded groove on the circumferential surface, the second bottom plates are round, the two second bottom plates are attached and the edge of the second bottom plates are embedded in the embedded groove, the second bottom plates can rotate relative to the first bottom plates, the second bottom plates are provided with second through holes with gradually reduced diameters, and the second through holes Kong Wei of the second bottom plates form ball-shaped dumpling holes; the angle adjuster comprises an adjusting sleeve, an adjusting rod, an adjusting spring, an adjusting ball and an adjusting nut, wherein the adjusting sleeve is slidably sleeved on the second steel pipe, one end of the adjusting rod is hinged to the adjusting sleeve, a limiting ring is arranged in the middle of the adjusting rod, the adjusting ball is rotatably arranged in a ball dumpling hole and forms a ball dumpling mechanism, the adjusting ball is provided with a third through hole, the adjusting rod is slidably arranged in the third through hole in a penetrating mode, the adjusting spring is sleeved on the adjusting rod, two ends of the adjusting spring are respectively abutted to the limiting ring and the adjusting ball, the adjusting nut is in threaded engagement with the adjusting rod and abutted to the adjusting ball, and the adjusting nut and the adjusting spring are respectively located on two sides of the adjusting ball.
2. The biomass photosynthetic bacteria hydrogen production device of claim 1, wherein the second base further comprises at least one positioning piece, the positioning piece comprises a positioning tube, a positioning spring and a positioning block, one of the positioning pieces is provided with a positioning hole on the first bottom plate, the positioning hole is communicated with the embedded groove, the positioning tube is fixed in the positioning hole, the positioning spring and the positioning block are both arranged in the positioning tube, and the positioning spring respectively abuts against the inner surface of the positioning tube and the positioning block and presses the positioning block to one of the second bottom plates so as to fix the second bottom plates relative to the first bottom plates.
3. The biomass photosynthetic bacteria hydrogen production plant of claim 2, wherein the positioning tube is threadably engaged with the positioning hole.
4. The biomass photosynthetic bacteria hydrogen production device according to claim 3, wherein the positioning tube comprises a tube body and a tube cover, the tube body is hollow and is provided with openings at two ends, the tube cover is arranged at one end of the tube body and seals one end of the tube body, the tube cover is in threaded engagement with the inner surface of the tube body so that the position of the tube cover in the tube body can be adjusted, and two ends of the positioning spring are respectively abutted to the tube cover and the positioning block.
5. The biomass photosynthetic bacteria hydrogen plant of claim 4, wherein a line between the first hydraulic cylinder and the turning ball dumpling is a first reference line, a line between the second hydraulic cylinder and the turning ball dumpling is a second reference line, and the first reference line and the second reference line are perpendicular and intersect at the turning ball dumpling.
6. The biomass photosynthetic bacteria hydrogen production device of claim 5, wherein one of the first base plates is provided with a plurality of first scales, the plurality of first scales are distributed in a ring shape with the axis of the second base plate as the center, the second base plate is provided with a second scale, and the second scale is arranged on the edge of the second base plate and is located on the first reference line or the second reference line.
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