CN102766569A - Natural kinetic energy biogas production synthetic storage - Google Patents
Natural kinetic energy biogas production synthetic storage Download PDFInfo
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- CN102766569A CN102766569A CN2011101204411A CN201110120441A CN102766569A CN 102766569 A CN102766569 A CN 102766569A CN 2011101204411 A CN2011101204411 A CN 2011101204411A CN 201110120441 A CN201110120441 A CN 201110120441A CN 102766569 A CN102766569 A CN 102766569A
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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
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
- C12M41/22—Heat exchange systems, e.g. heat jackets or outer envelopes in contact with the bioreactor walls
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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
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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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
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/34—Internal compartments or partitions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention provides a natural kinetic energy biogas production synthetic storage and is characterized in that the storage body is a regular hexagonal prismatic shape and can be designed into several layers and each layer is divided into 6 isopyknic anaerobic digesters; the middle portion of the storage body is a regular hexagonal prism space and used as an elevator channel for moving up and down; each anaerobic digester has a side chamber and each anaerobic digester is provided with an insulation and warming structure which is arranged at the bottom and on the four walls of each anaerobic digester and is a sealed space layer; upper and lower surfaces of the space are connected through the walls; the whole storage body is provided with the insulation structure wherever it contacts with air; and a pipeline system is arranged in each side chamber and used for feeding, discharging and heat supply and is also provided with a spiral propeller. By the utilization of the space geometric structure of the storage, advantages for growth and propagation of flora are fully performed. By the mechanical and automatic production flow, biogas output and production efficiency are greatly raised. The storage can be suitable for large-scale production. The energy is environmentally friendly, is low-priced and is renewable. By the use of the energy, nuclear disaster can be prevented from being brought to mankind.
Description
One, technical field:
The present invention designs the synthetic storehouse of a kind of natural kinetic energy biogas production.
Two, background technology
According to Jinyang light engineering of Central Plains peasant press-agricultural synthesis technology series " biogas construction with utilize 300 ask "; New forms of energy book series " biogas practical technique guide " with reference to the publication of Henan science tech publishing house; Through long term studies and exploration, the production technology of this energy is reformed and innovation.On existing production technology basis, the content that develops skill impels biogas output and quality to improve greatly.Moreover, also can reduce greenhouse gas emission, purify air, improve and the protection environment.
Three, content
The purpose of this invention:
The object of the invention is to provide a kind of natural kinetic energy biogas production to synthesize the storehouse, gives full play to the required favourable condition of flora growth and breeding to reach.Mechanize, the automatic production flow process has improved biogas output and production efficiency greatly.Be produced on a large scale.Thereby promote the fast development of social productive forces, increase the wealth of society.And this energy environment protection, inexpensive, renewable, also can prevent the disaster that the nuclear power crisis brings to the mankind.
The technical scheme in the synthetic storehouse of the natural kinetic energy biogas production that this invention provides:
Natural kinetic energy biogas production provided by the invention is synthesized the storehouse, it is characterized in that the storehouse body is taked positive hexagonal prism shape, can establish several layers.Every layer is divided into 6 isopyknic trapezoidal cubes digestion anaerobic devices.The storehouse body is inner, is positive six prismatic spaces, is the last lower channel that elevator is installed.The digestion anaerobic device is outside, and each digestion anaerobic device all has an ear chamber.Whole storehouse body, all exposed parts and air and contact position, ground all are provided with the lagging material insulation.
This storehouse not only can be designed to positive hexagonal prism shape, also can be designed to cylinder, other prisms; Terrace with edge, round platform, pyramid; Circular cone, spheroid, spheroid etc. and by moulding such as mutual combination, the frame mode of these solids; And, bring into play same or analogous effect with same or analogous method, principle production biogas.
Each digestion anaerobic device all is designed with insulation, heats structure.It is in the bottom of each digestion anaerobic device that this insulation heats structure, and top and wall all design the space layer of a relative closure.The centre of upper and lower two faces in this space has many bodies of wall to be connected.Except that the digestion anaerobic device of the superiors, this digestion anaerobic device top promptly is the bottom of a digestion anaerobic device on it, and red-hot gas directly feeds this space layer.
In six ear chambers, two relative ear chambers possess identical function.Be respectively that feeding pipeline system, discharge conduit system, hot duct system are installed.And on the digestion anaerobism wall of each ear chamber, be designed with spiral pushing device, assist to promote pendular ring stream in natural pond in the digestion anaerobic device.
The double-deck bottom surface of each digestion anaerobic device all is designed to funnel-shaped depression shape, in order to natural drainage.Center design hopper outlet, external discharge conduit system drains.
The subsurface on the double-deck device top of each digestion anaerobic device all is designed with annular, the linear pattern corridor of sealing, outstanding being connected on its roof downwards.The design sealing chamber is adhered in external wall one side in this airtight corridor, and power-equipment is installed, the natural pond liquid cyclic motion below stirring.On the wall of another side, offer sealing gap,, also can do him in addition and use so that open downward observation natural pond liquid.
Arc drainage line can reduce the kinetic energy that is produced when letting out down, and the surging force of letting out down weakens.In order to avoid damage.
Illustrated feeding pipeline system can reduce the resistance to feed liquid, increases the flow velocity of feed.
Inside and outside the body of whole storehouse, all exposed parts and air and ground touching position all will be provided with the lagging material insulation.
The prospectus in the synthetic storehouse of natural kinetic energy biogas production:
1. the storehouse body is taked positive hexagonal prism shape.The storehouse body is built with Steel Concrete and to be formed.Several layers can be set, about about 3.5 meters to 20 meters of every floor height.Form by six trapezoidal shape cubess for every layer, claim the digestion anaerobic device.Each digestion anaerobic device all is the unit of an independent sealing.The gas of the producing purification tower of flowing through after by the collection of gas production pipeline is purified.
The storehouse body is inner, is positive six a prismatic space, 2 meters of the length of sides.This space is provided with the gas production tubing system, and the elevator up/down perforation is installed.
The lowest layer in storehouse is put the space of the lowest layer of lower section in depth, and is high 2 to 3 meters.Up and down during elevator, with the Vomitory in the external world, idle place is as bank as staff in the storehouse for this layer one side, but also its is used.All the other in depth still are the integral part of digestion anaerobic device direct production biogas in the lower section.
The storehouse body also can adopt other space multistory geometries, and the space multistory moulding that is combined each other by these single solids.Every layer also can be designed to a digestion anaerobic device, also can merge to be designed to 2 or 3 or other shapes.The storehouse body is except that positive six prisms, and its structure can adopt cylinder, circular cone, and round platform, prism, pyramid, terrace with edge, spheroid, spheroid etc., and make up each other and the spatial modelling that forms by these solids.Its inside and outside structure, shape, principle, function, effect, facility, working methods etc. are prismatic same or similar with positive six.
2. synthetic storehouse is outside, and each digestion anaerobic device all has the ear chamber of a balcony shape, and area needs to confirm with trampling factually.The interior installation about the elevator.This balcony is called the ear chamber.The function of each ear chamber is different, also has points of resemblance.Their effect mainly is the sampling check, is provided with to observe sky, and the installation and transportation pipeline, HPP, and hermatic door is set.Sealing when hermatic door is produced, the personnel of need get into internal overhaul, open during the cleaning waste residue.HPP is the power producer of liquid supply in natural pond in the digestion anaerobic device.HPP pump case, pump line, impeller, blade are generally best with flexible, also the available iron goods.The aspect that contacts with natural pond liquid is wrapped up in the best with acid and alkali-resistance plastics envelope, should constantly check during use, changes again after the damage.
Indoor subsequent use through body of wall installation spiral propeller in each digestion anaerobic device at ear, quantity and position are definite according to concrete needs.When not required the wall circular hole is sealed.Promote the circulation of natural pond liquid in the pond, improve output.
3. each digests the metope at place, the inner six rib spaces of anaerobic device, and top is provided with vision slit, sampling test hole, gas production hole etc.Each is adopted the ring-type gas production pipeline that the hole, natural pond all is equipped with arm and this layer and links to each other.This arm is equipped with valve.This metope also is provided with hermatic door, closes during production, and residue in the cleaner, or open during work such as maintenance, installation.This door is claimed digestion anaerobic device back door, and a relative face wall has a sealing Qianmen.Two of front and back are opened airiness, printing opacity, convenient working simultaneously.
See through this metope, as required, it is subsequent use in the digestion anaerobic device, also can spiral propeller to be installed, and number of locations is decided according to concrete needs.When not required, the wall circular hole is sealed.Echo mutually with the use of the indoor spiral propeller of opposite ear, strengthen natural pond pendular ring stream, improve output.
4. if need work such as single digestion anaerobic device keeps in repair be drained natural pond liquid in the pond by drainage line earlier.Open digestion anaerobic device front and back door then, let surplus natural pond disperse.After the people gets into, recrement is sent into place, waste pipe road junction, discharge outside the storehouse by Excretory system with the hand propelled suction dredger.After washing cleaning in the pond, can carry out operation.During deslagging, personnel can bear the oxygen cylinder operation.
5. for increasing body temperature in the storehouse, in each digestion anaerobic device bottom and top a space layer is arranged, clear height is 0.2 to 0.3 meter in the layer.For the natural pond liquid in the digestion anaerobic device replenishes temperature, temperature in the pond is remained in 46 ℃ to the 60 ℃ scopes.In order to make quick heating in the pond, this spatial two aspects up and down is thin as far as possible.For increasing bearing capacity, a plurality of tie-beam bodies of the middle uniform distribution of two aspects become one upper and lower surface up and down, common evenly bearing load.
This thermal insulation layer is set to totally-enclosed space layer, in have many beam bodies crisscross, up and down two aspects fuse, thereby have strengthened the pressure that upper liquid is born in the bottom.This internal space is divided into several little spaces by crisscross beam body.Some circular holes are reserved in this beam body bottom and subsurface contact position, make each spatial air-flow, and quench liquid is interconnected, and flows.
During use heating installation is directly fed this space layer, for natural pond liquid heats.The digestion anaerobic device is installed taphole outward, is connected with interior space heating installation.Because the bottom surface is a depression shape, the taphole of bottom surface is in addition in the bottommost setting.Scatterer need be installed like this, both reduce production costs, and heat better effects if, faster.
In this manner, at the wall of digestion anaerobic device, also available concrete casting builds up the clip space stratiform, connects two walls with crisscross beam body in the middle of the clip space layer, to strengthen compressive property.Each beam body is provided with many circular holes, and its isolated many space is connected, so that heating installation feeds, improves the temperature of natural pond liquid rapidly.The space interlayer of this interlayer and bottom is provided with many communicating apertures, so that heating installation is ganged up each other, simultaneously, quench liquid also can regularly be discharged through the outage of bottom interlayer.
The relative two sides external wall of anaerobic device, the inside one deck is thinner, and outside one deck is thicker.Its benefit is the storehouse temperature that can increase sharply, and is prone to heating; And increase the firm of storehouse body.The inside relative two double-deck walls, but thin and thick is even.Because it is all there is liquid pressure on both sides, thinner as far as possible.
Because molecular diameter of methane is also littler than the slit that general coagulation figure makes up between the husky ash, is carrying out storehouse body design-build, collection and confinement of gases, sealing is extremely important during storage.
6. the pond end face of each digestion anaerobic device links to each other downwards with end face, is provided with 1 to 1.8 meter high, the Steel Concrete walkway of 0.5 to 1 meter wide sealing, and be connected with the ear chamber through exterior wall, promptly become the ring seal corridor that is hanging.And as required, be attached to outside the wall of sealing corridor,, the sealing chamber that some install motor or hydraulicefficiency plant be set, be advisable, be used to install stirrer, stir pendular ring stream in natural pond in the pond, increase biogas output only can lay machinery at different sites with pond inner top connecting place.
This passage is connected with each sealing chamber of laying stirrer, so that maintenance.
There is a relatively large sealing chamber at the excretory pore place of lowest part in the middle of end face, interior installation discharge conduit, and opening-closing valve, and the stirrer that stirs this pond liquid is installed.And open a small sircle hole at the top, be used to discharge thermal insulation layer quench liquid at the bottom of the pond, and on-off control is installed above that.The walkway also links to each other with this chamber.Waste firedamp liquid is through discharge conduit in the digestion anaerobic device, during natural drainage difficulty, can remove barriers through the suction machine at floor outlet place.
The walkway has a plurality of outlets to communicate with the external world, so that indoor air flow is unimpeded.In case of necessity, some biogas of in walkway air blast dilution road, revealing are so that make personnel's job safety altogether.
7. the metal products of each tubing system inside and outside wall and each pipe fitting, all and liquid contact position, natural pond all will be sealed and wrap up in the acid and alkali-resistance plastics.
The feed pipe system design is different with the discharge conduit system design, and the feed pipe design is for reducing resistance, strengthening the feed liquid flow velocity; The discharge conduit system design in order to increase resistance, reduces downward excretory kinetic energy, lets out surging force under slowing down.
8. in order to keep the body temperature in synthetic storehouse, inside and outside the body of whole storehouse, all exposed parts and air synapsis all will be provided with the lagging material insulation, prevent that the storehouse intimate heat is too lost, reduce natural pond liquid temp in the digestion anaerobic device, cause the underproduction.
Subterranean part is goed deep in the storehouse, and skin can't wrap up insulation, has only thermal insulation layer is installed internally, and the waterproof layer sealing is set then, can not make natural pond liquid infiltrate thermal insulation layer.
9. in this storehouse body, natural pond liquid temp Monitoring systems can be set, the imagine infra-red Monitoring systems.
This invents beneficial effect:
Natural kinetic energy biogas production is synthesized the storehouse, is application space solid geometry structure, some subsidiary conditions in addition; Give full play to and produce the required favourable condition of natural pond flora growth and breeding; And mechanize, the automatic production flow process has improved biogas output and efficient greatly; Get rid of of the dependence of traditional biogas production, and can unrestrictedly produce on a large scale objective environment.
For improving the biogas utilization rate, reduce environmental pollution, heat energy is produced in marsh gas power generation capable of using.And can prevent the disaster that the nuclear power crisis brings to the mankind.
This energy is renewable, and is efficient, and high yield is energy-conservation, cleaning, environmental protection, low cost.Compare with other energy: nuclear power is dangerous, the refuse source of pollution of attaching most importance to, and cost is high; The sun power function is little, and occupation of land is many, and limitation is strong, and the life-span is short, and cost is high; Wind energy has the region limitation, and it is big to take up room, and is prone to hinder flying bird, and function is low; Coal, petroleum pollution are serious, and non-renewable.The exploitation coal is dangerous strong, and cost is high, and destroys crustal structure and arable land.Place it in underground, safe and reliable, in case in the future bigger use is arranged and exhaustion.
This storehouse can continue the clean energy that provides enough for northern, central and west regions.For desalinizing seawater, Dong Shuixi send, desert, and improving industrial and agricultural production provides clean energy.
Four. description of drawings
1. Fig. 1 synthesizes the storehouse outside drawing.Wherein 3. representative digests the anaerobic device position.2. six faces in storehouse are synthesized in representative, the position, ear chamber that connects up and down.1. working spacess such as elevator are installed.
2. Fig. 2 synthesizes the internal structure synoptic diagram in storehouse.4. storehouse body internal space passage wherein.
3. Fig. 3 synthesizes the feeder system synoptic diagram in storehouse.The 5. indoor escape way of ear wherein; 6. feed liquid small transfer line; 7. bulk supply pipeline; 2. ear chamber.
4. Fig. 4 drains figure.It wherein 2. is the ear chamber; 5. the indoor escape way of ear; 6. drain small transfer line; 7. drain main pipe line; 8. escape orifice.
5. Fig. 5, heats structural representation at the insulation of digestion anaerobic device.It wherein 6. is the heat supply small transfer line; 7. represent every layer of heating main pipe line that is placed in the ear chamber; 9. the position is heated in representative.
6. Fig. 6, Fig. 7, feeding pipeline system organigram.7.,
be the feed main pipe line wherein 6. be the feed bye-pass; 10. be opening-closing valve.
7. Fig. 8 discharge conduit synoptic diagram.6. arm wherein; 10. switch-valve;
main pipe line.
8. Fig. 9, opening-closing valve.
9. Figure 10 digests anaerobic device D structure synoptic diagram.Wherein
seals external door;
insulation, thermosphere;
subsequent use hole;
sampling, observation, input actives hole;
pipe laying system hole;
subsequent use hole.
10. Figure 11 digests anaerobic device D structure synoptic diagram.
thermal insulation layer taphole wherein;
vision slit of sampling;
adopts the biogas hole;
closing door;
pool wall.
11. Figure 12, gas production tubing system organigram.Wherein
annular gas production pipeline is adopted the natural pond pipeline with the digestion anaerobic device is connected; 10. pipeline and methane-generating pit valve;
main gas production pipeline;
annular gas production pipeline;
annular gas production pipeline is communicated with the place with main gas production pipeline.
12. Figure 13, digestion anaerobic device top structure synoptic diagram.Wherein
is excretory pore;
thermal insulation layer quench liquid release aperture;
sealing chamber;
seals the corridor;
double-layer heat insulation device top; The double-deck locular wall of
digestion anaerobic device.
13. Figure 14, the indoor sealing of digestion anaerobic device corridor floor map.Wherein outdoor passage is led in
indoor sealing corridor.
Five, embodiment
Natural kinetic energy biogas production is synthesized the storehouse Production Flow Chart
1. with fibrous materials such as agricultural crop straws, pulverize.The raw material of pulverizing is carried out the stack retting pre-treatment.
Raw material stack retting pre-treatment after the pulverizing, northern temperature is low, should adopt the mode stack retting of hole heap.Concrete grammar: at first stalk hand hay cutter is grown up about 3 centimetres, track tramping and pile about 30 cm thicks, sprinkle 2% liming clear liquor and also add 10% liquid dung.The method shop is 3 to 4 layers like this, and the good back of heap covers with plastics film, and stack retting just can be done fermentation raw material about 15 days.
South temperature is high, directly the stalk stack retting is got final product on the ground with aforesaid method.
With the pretreated stalk of stack retting, add ight soil such as a certain amount of purified horse, ox, sheep, further stack retting.Summer, stack retting was 3 to 5 days; Spring and autumn, stack retting was about 1 week, and winter is with reference to the indoor stack retting of heating of above-mentioned condition.Make the stack retting material temperature be elevated to 40 to 50 degree, after color becomes Vandyke brown, add certain natural pond liquid and water, process fraction, send into digestion through tubing system and digest in the anaerobic device.
Feed liquid is through each digestion anaerobic device pipeline sagging from the top, in the input digestion anaerobic device.What install in the pond is the plastic cement pipe of acid and alkali-resistance, and this pipe upper top and outside feed pipe interlink, and the bottom flows to feed liquid.This feed-pipe makes things convenient for personnel to advance pond cleaning recrement to be advisable near the ear chamber on one side.Funnel-form is built up, about 1 to 2.5 meter of its cup depth in bottom at each digestion anaerobic device.The building bearing beam can be used curved beam, crisscross load-bearing, or with the crisscross load-bearing of straight and inclined beam.Lowest part begins to rehearse and lets out circular hole, external discharge conduit under the hole.A selfclosing gate valve is installed in circular hole and discharge conduit contact position in the bottom surface, controls this system, can feed liquid be discharged in this digestion anaerobic device automatically.2. be to represent the ear chamber, different tubing systems are placed in the inside.Wherein feed liquid system pipeline is settled in two Room, and the Excretory system pipeline is installed in two Room, and the heating system pipeline is laid in two Room.Also lay simultaneously other mechanical means.
In each digestion anaerobic device bottom, a space layer is arranged, relative closure, interior clear height is about 0.2 to 0.3 meter.The centre of these upper and lower surfaces, space has many bodies of wall to be connected, and bears the pressure of bottom jointly.Heating system is placed in every layer of two ear chamber wherein.
Need explanation, Fig. 5 is not only feed, and excretory piping system synoptic diagram also is the heating pipeline synoptic diagram of Fig. 4.
On the metope of the indoor digestion anaerobic device of ear, have the spiral propeller hole is installed, advance, discharge liquid hole, sealing external door etc.How many circular hole sizes be decided according to the actual requirements with.
Metope is provided with the sealing inside door, sampling vision slit, gas production hole etc.Its size and how many individual can settings according to actual needs.The gas production hole is connected with pipeline and gas production tubing system, and is provided with opening-closing valve.
Tubing system places the six prismatic spaces, inside in synthetic storehouse, ring pipe has switch-valve to open with digestion anaerobic device contact position, this figure be about two-layer digestion anaerobic device.The biogas that is produced in the digestion anaerobic device is collected utilization through this pipeline.
Each digestion anaerobic device all will carry out strict seal, in case biogas, natural pond liquid leak.About spiral organ is installed, its sealing principle can carry out with reference to submarine water screw sealing method.Waste pipes etc. and the sealing that digests the anaerobic device contact site are also wanted strict.Otherwise biogas, natural pond liquid can leak.
2. start and produced about one month, per 5 to 10 days, all will in the storehouse, replenish fresh feed.Additional principle generally is what what are mended, and remains the useful volume in the digestion anaerobic device.Generally speaking, turnover amount accounts for 5% of the total useful volume of Chi.
3. input inoculum.Throw in and generally press: inoculum: raw material: water=1: 2: 5.This is the ratio of digestion anaerobic device when just having started.
Methane fermentating microorganism all is from nature.And the core microbe colony of biogas fermentation is the methane flora, and all possess anaerobic condition and contain organic place and all can find.Mainly contain: methane-generating pit, the lake, the marsh, pond bottom is among the plash; Among animal excrement and the enteron aisle thereof; The slaughterhouse, brewery, the bean product field is among the cloaca mud such as non-staple food processing factory and among the artificial anaerobic digestion device.
4. raw material gets in the digestion anaerobic device, seals each ventilating pit.To digest unnecessary air residual in the anaerobic device then and discharge, and make each digestion anaerobic device be in anaerobic state with vacuum fan.Favourable flora breeding improves biogas output.Because methanogen is a kind of Anaerobic Bacteria, in the vital movements such as their growth, growth, breeding, metabolism, do not need oxygen.Airborne oxygen can make its vital movement be suppressed, even dead.
5. in the synthetic storehouse generally biogas fermentative liquid concentration be 6% to 8% to be advisable.Leavening temperature can be mediated in the digestion anaerobic device.Generally take thermophilic fermentation,, temperature can transfer in 46 ℃ to the 60 ℃ scopes.In 10 ℃ to 60 ℃ scopes, general temperature is high more, and microbial activities is vigorous more, produces the natural pond and measures high more.
6. each digests in anaerobic device in the storehouse, and suitable potential of hydrogen arranged.The growth of biogas micropopulation, breeding requires the potential of hydrogen of fermentation raw material to keep neutral, or the mikrobe meta-alkalescence.Peracid is crossed alkali all can influence the natural pond amount of producing.Mensuration shows, but the pH value is 6 to 8 o'clock equal aerogenesis, and the pH value is that 6.5 to 7.5 o'clock product natural pond amounts are the highest.
If organic acid accumulates in a large number, fermented feed liquid is the phenomenon of meta-acid too.At this moment, can extract the part feed liquid out, add the equivalent inoculum, organic acid is converted into methane.Perhaps add an amount of plant ash clear liquor or lime clear liquor through pipeline, in and organic acid, make potential of hydrogen recover normal.Test potential of hydrogen in the routine work, can natural pond liquid in the device be taken out check through the liquid outlet of anaerobic device exterior setting.
7. in each the digestion anaerobic device in the synthetic storehouse, but accelerated fermentation processes promotes the material of organic substance decomposition and raising output to be referred to as additive, or claims catalyzer.The kind of additive is more, comprises some enzymes, inorganic salts, organism and other inorganicss etc.For example, add a certain amount of cellulase, proteolytic enzyme, black molds etc. can play the effect that acceleransstoff decomposes.Add micro-potassium, sodium, calcium, magnesium elements, can increase the activity of organized enzyme, strengthen enzymatic reaction.Add a small amount of active carbon powder, urea can improve carbon, nitrogen content, or feeding hydrogen can improve methane content etc.One of concrete grammar: two acid and alkali-resistance plastics hemisphere are tightened through spiral form a table tennis globular ball, its size determines according to practical situation.Urea is packed in the ball.Mould sphere and open the aperture of more than 30 pin thickness, in order to slow release.
8. for the timing that digests natural pond liquid in the anaerobic device circulates, this storehouse is with the use that cooperatively interacts of two kinds of methods.One of which through the stirring of top seal indoor machine, impels the extensive circulation of natural pond liquid in the device; Its two, stir through ear chamber spiral propeller, can strengthen natural pond pendular ring stream.Be single with or and usefulness, definite according to actual needs.
Facts have proved that suitable agitating method and intensity can make fermentation raw material be evenly distributed, the enhancing mikrobe contacts with raw material, makes it to obtain the chance increase of nutritive substance, increased activity, and growth and breeding is vigorous, thereby improves the natural pond amount of producing.Stir and to smash crust again, improve utilization ratio of raw materials and effciency of energy transfer, and favourable bubble discharges.After adopting the stirring measure, mean yield can improve more than 30%.
9. calculate according to methane-generating pit device surface low amount in the actual life that the output of employing digestion anaerobic device should be about 1.5 to 3 cubic metres of/cubic metre skies.
10. above a kind of mode of just making natural pond liquid also can use other modes, raw material to make.
The use of natural pond slag
The natural pond slag has multiple use, mainly can be used for culturing various fishery products, and earthworm, loach, yellow eel and other also can be used for producing green organic manure, supply the growth of vegetable melon and fruit and other farm crop to use.
Claims (8)
1. natural kinetic energy biogas production is synthesized the storehouse, and it is characterized in that: the storehouse body is taked positive hexagonal prism shape, can establish several layers.Every layer is divided into 6 isopyknic trapezoidal cubes digestion anaerobic devices.The storehouse body is inner, is positive six prismatic spaces, is the last lower channel that elevator is installed.The digestion anaerobic device is outside, and each digestion anaerobic device all has an ear chamber.Whole storehouse body, all exposed parts and air and contact position, ground all are provided with the lagging material insulation.
This storehouse not only can be designed to positive hexagonal prism shape, also can be designed to cylinder, other prisms; Terrace with edge, round platform, pyramid; Circular cone, spheroid, spheroid etc. and by moulding such as mutual combination, the frame mode of these solids; And use same or analogous method, principle is produced biogas, brings into play same or analogous effect.
2. natural kinetic energy biogas production according to claim 1 is synthesized the storehouse, it is characterized in that: each digestion anaerobic device all is designed with insulation, heats structure.It is in the bottom of each digestion anaerobic device that this insulation heats structure, and top and wall all design the space layer of a relative closure.In the middle of upper and lower two faces in this space, there are many bodies of wall to link to each other.Except that the digestion anaerobic device of the superiors, this digestion anaerobic device top promptly is the bottom of a digestion anaerobic device on it, and red-hot gas directly feeds this space layer.
3. natural kinetic energy biogas production according to claim 1 is synthesized the storehouse, it is characterized in that: in six ear chambers, two relative ear chambers possess identical function.Be respectively that feeding pipeline system, discharge conduit system, hot duct system are installed.And on the digestion anaerobism wall of each ear chamber, be designed with spiral pushing device, assist to promote pendular ring stream in natural pond in the digestion anaerobic device.
4. digestion anaerobic device according to claim 2, the double-deck bottom surface of each digestion anaerobic device all is designed to funnel-shaped depression shape, in order to natural drainage.Center design hopper outlet, external discharge conduit system drains.
5. digestion anaerobic device according to claim 2, the subsurface on the double-deck device top of each digestion anaerobic device all is designed with annular, the linear pattern corridor of sealing, outstanding being connected on its roof downwards.The design sealing chamber is adhered in external wall one side in this airtight corridor, and power-equipment is installed, the natural pond liquid cyclic motion below stirring.On the wall of another side, offer sealing gap,, also can do him in addition and use so that open downward observation natural pond liquid.
6. digestion anaerobic device according to claim 3, arc drainage line can reduce the kinetic energy that is produced when letting out down, and the surging force of letting out down weakens.In order to avoid damage.
7. digestion anaerobic device according to claim 3, illustrated feeding pipeline system can reduce the resistance to feed liquid, increases the flow velocity of feed.
8. arbitrary said according to claim 1-7, it is characterized in that: inside and outside the body of whole storehouse, all exposed parts and air and ground touching position all will be provided with the lagging material insulation.
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| CN201301317Y (en) * | 2008-10-20 | 2009-09-02 | 刘凤琴 | Commercial middle/high-temperature constant-running high-efficiency buried marsh gas tank |
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| CN201581073U (en) * | 2009-12-16 | 2010-09-15 | 济南润旺生物科技有限公司 | Full-automatic two-step multi-stage fermentation methane tank |
| CN202175672U (en) * | 2010-07-07 | 2012-03-28 | 朱永彪 | Digestion anaerobic tower |
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| WO1982000299A1 (en) * | 1980-07-11 | 1982-02-04 | Widmer P | Plant for the production of fuel gas by anaerobic fermentation of organic materials |
| CN201314129Y (en) * | 2007-12-28 | 2009-09-23 | 刘铁伍 | Building design of super-huge innovative marsh gas tank |
| CN201301317Y (en) * | 2008-10-20 | 2009-09-02 | 刘凤琴 | Commercial middle/high-temperature constant-running high-efficiency buried marsh gas tank |
| CN201581073U (en) * | 2009-12-16 | 2010-09-15 | 济南润旺生物科技有限公司 | Full-automatic two-step multi-stage fermentation methane tank |
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