CN109609351A - Small-sized rubbish from cooking bionethanation system - Google Patents
Small-sized rubbish from cooking bionethanation system Download PDFInfo
- Publication number
- CN109609351A CN109609351A CN201811597424.5A CN201811597424A CN109609351A CN 109609351 A CN109609351 A CN 109609351A CN 201811597424 A CN201811597424 A CN 201811597424A CN 109609351 A CN109609351 A CN 109609351A
- Authority
- CN
- China
- Prior art keywords
- biogas
- pressure
- reaction kettle
- cooking
- rubbish
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
-
- 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
- C12M41/48—Automatic or computerized control
-
- 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
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/02—Means for pre-treatment of biological substances by mechanical forces; Stirring; Trituration; Comminuting
-
- 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
- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
- C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Sustainable Development (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a kind of small-sized rubbish from cooking bionethanation system, belongs to technical field of biological fermentation.The small-sized rubbish from cooking bionethanation system includes sequentially connected feed preparation unit, S type water sealing (sealing water) pipe, storage device, inlet control valve, biogas generating device, methane purifying device and biogas storage device, anaerobic fermentation, which is collected into, from rubbish from cooking generates biogas, it is stored to marsh gas purifying, it arrives and finally conveys to user again, it realizes overall process operation with closed ring, can effectively realize recycling, the harmless treatment of rubbish from cooking.The small-sized rubbish from cooking bionethanation system overall process realizes automation control, securely and reliably has stronger applicability without artificial excessive intervention.
Description
Technical field
The invention belongs to technical field of biological fermentation, and in particular to a kind of small-sized rubbish from cooking bionethanation system.
Background technique
With the increasingly raising of people's material and cultural life, house refuse especially rubbish from cooking is largely generated.This
A little rubbishes from cooking, which are such as not added, to be dealt carefully with, and will be brought many problems, is such as bred fly parasitosis bacterium, distribute stench peculiar smell, or even meeting
Cause secondary pollution.Currently, for rubbish from cooking mainstream processing mode be dehydration after it is buried, this processing mode does not have not only
Rubbish from cooking is effectively utilized, and is easy to cause underground water pollution.
The recycling of rubbish from cooking, harmless treatment become the main flow direction studied now.Biofermentation produces biogas
It cooperates with resolution organic materials to prepare the technology of biogas under anaerobic environment using micropopulation, is widely used in cities and towns and agriculture
Village plays a crucial role in terms of using energy source and environmental protection.Rubbish from cooking is big, widespread as a kind of yield
Organic domestic waste, can produce the raw material of biogas as biofermentation, and reasonable utilization rubbish from cooking can not only be effectively reduced
Pollution of the rubbish from cooking to environment, and the energy can be provided for production and living, create benefit.
But every household all generates rubbish from cooking, these rubbishes from cooking have a very wide distribution, and generate for discontinuity, no
Supply that can be continual and steady produces.It is usually all to mix rubbish from cooking and since the rubbish from cooking amount that family family generates is relatively fewer
It is thrown away together with other house refuses, is less useful for the resource utilization of rubbish from cooking in this way.And in rubbish from cooking collection storage
In the process, fly worm is bred, is emitted bad smell, the disadvantage using rubbish from cooking production process of methane is become.How kitchen is effectively realized
Remaining garbage as resource, harmless treatment are still the project for being worth that great effort is spent to remove research and probe.
Summary of the invention
In view of this, the present invention provide it is a kind of can effectively store rubbish from cooking, prevent fly worm from breeding and peculiar smell diffusion, it is real
Existing rubbish from cooking is innoxious and recycling, intermittent small-sized rubbish from cooking bionethanation system.
The technical solution adopted by the present invention to solve the technical problems is: a kind of small-sized rubbish from cooking bionethanation system, including
Sequentially connected feed preparation unit, S type water sealing (sealing water) pipe, storage device, inlet control valve, biogas generating device, biogas
Purification device and biogas storage device；
The feed preparation unit includes feeding warehouse, feeding warehouse lid and horizontal shaft type crusher, and the feeding warehouse is in infundibulate,
Lower end offers charging bin discharge port external, and for the feeding warehouse lid removable cover together in the feeding warehouse upper end, the horizontal shaft type is broken
Machine is set in the middle part of the feeding warehouse, to be crushed bulk rubbish from cooking；
Described S type water sealing (sealing water) pipe one end is connected to the charging bin discharge port external, and the other end is connected to the storage device, to prevent
Only the stink in the storage device overflows；
The storage device is connected to the biogas generating device by the inlet control valve, and the storage fills
It installs and is equipped with negative pressure pump and fluid level controller, the negative pressure pump provides negative pressure, to aspirate the kitchen being broken in the feeding warehouse
Remaining rubbish, the fluid level controller and the inlet control valve communicate.
The biogas generating device includes reaction kettle, binder sieve plate, biogas residue sieve plate, and straight-tube shape is arranged in the reaction kettle upper end
Reaction kettle feed inlet, reaction kettle feed inlet upper end are connected to the inlet control valve, and the binder sieve plate includes handle, work
Dynamic set and cone screen plate, the movable sleeve are located on the inside of the reaction kettle feed inlet, and bottom end is lower than under the reaction kettle feed inlet
End, and with the reaction kettle feed inlet clearance fit, handle setting is in the movable set upper side, the work is manually operated
Dynamic set upper and lower displacement, the cone screen plate upper end is fixedly connected on the movable sleeve lower end, and lower end fits in the reaction kettle
Inner wall, the upper lift handle, the movable sleeve drives the cone screen plate to move up, to disturb reaction mass；The biogas residue sieve plate
Below the binder sieve plate, it is obliquely installed, and periphery is bonded with the reaction kettle inner wall, to collect biogas residue.
The reaction kettle top is provided with the extraction of the biogas with valve mouth, lower part biogas residue outlet of the setting with valve and natural pond
Liquid outlet, the biogas residue outlet minimum point are connected to the biogas residue sieve plate minimum point, and the biogas slurry outlet is set to institute
It states below biogas residue sieve plate minimum point, and far from the biogas residue outlet.
Preferably, the feed preparation unit further includes water sprayer tube, and the water spray pipe ring cloth is in the feeding warehouse
Upper inside wall, and several spray heads are evenly arranged with, the spray head is towards the feeding warehouse inner wall, to rinse the feeding warehouse.
Preferably, the biogas generating device further includes biogas slurry reflux pump and biogas slurry reflux manifold, the biogas slurry reflux pump
Entrance is connected to the biogas slurry outlet, and biogas slurry reflux manifold one end is connected to the biogas slurry reflux pump discharge, the other end
It is connected to the reaction kettle feed inlet, by the biogas slurry circulating reflux of the reactor bottom to the reaction kettle top.
Preferably, backflow distributor is set in the reaction kettle feed inlet, and the backflow distributor includes distributor supervisor
And several distributor branch pipes being evenly arranged on the distributor supervisor, the distributor supervisor extend through the movable sleeve
And reaction kettle feed inlet, and it is connected to the biogas slurry reflux one end of manifold far from the biogas slurry reflux pump, the distributor branch
Several spray orifices are opened up on pipe, with the biogas slurry of uniform sprinkling reflux, the movable sleeve and distributor supervisor intersection open up item
Shape hole, the strip-shaped hole are responsible for perpendicular to the distributor, so that the movable sleeve can move up and down.
Preferably, the biogas generating device further includes that reaction kettle heater and temperature-controlling module, the reaction kettle add
Hot device is surrounded in the middle part of the reaction kettle outer wall, and to provide heat source to the reaction kettle, the temperature-controlling module includes temperature
Detector and temperature controller, the temperature monitor is set to the reaction kettle middle inside, to detect reactor temperature,
The temperature monitor and the temperature controller communicate, and the temperature controller reacts kettle heater communication with described, with control
Reactor temperature processed.
Preferably, the biogas generating device further includes tee T slag scraper, and the tee T slag scraper includes vertically setting
That sets scrapes slag telescopic rod and pull rod, and wedge block, the reaction kettle and the biogas residue sieve plate is arranged in the slag telescopic rod both ends of scraping
The upper limit setting annular groove of engaging portion, the wedge block engage with the annular groove, and the pull rod is scraped far from described
One end of slag telescopic rod extends through the reaction kettle side wall, and handle is arranged, and the pull rod and the reaction kettle side wall are clamped,
Pull the handle, it is described scrape slag telescopic rod and be bonded the biogas residue sieve plate moved to the minimum point of the biogas residue sieve plate so that institute
The biogas residue stated on biogas residue sieve plate is discharged from the biogas residue outlet.
Preferably, methane purifying device bottom end feed inlet is connected to the biogas extraction mouth, the connection of top discharge port
In the biogas storage device, the methane purifying device lower part is liquid phase scrubbing layer, and top is solid phase absorbed layer, the biogas
The biogas that generating device generates is entered by methane purifying device bottom end feed inlet, successively through the liquid phase scrubbing layer and described
Solid phase absorbed layer removes H2S、CO2And H2Enter the biogas storage device after O.
Preferably, the biogas storage device includes that storage air bag and storage gas tank, the storage air bag entrance are connected to
The top discharge port of the methane purifying device, and the first check (non-return) valve is set, the storage gas tank entrance is connected to the storage
Air bag outlet, and the second check (non-return) valve is set, the biogas storage device further includes pressure control assembly, the pressure control assembly
Including pressure detecting instrument, pressure controller and relief valve, the pressure detecting instrument is set on the storage air bag, to detect
The pressure of storage air bag is stated, the relief valve is set in the connecting tube of the storage air bag and the storage gas tank, the pressure
Tension gauge and the pressure controller communicate, and the pressure controller and the relief valve communicate, so that the storage air bag
Interior biogas leaks into the storage gas tank.
Preferably, the small-sized rubbish from cooking bionethanation system further includes biogas output pressure regulating device, and the biogas is defeated
Pressure-regulating device includes pressure regulating mechanism and output pressure controller out, and described pressure regulating mechanism one end is connected to described
The output end of biogas storage device, the output pressure controller are connected to depositing far from the biogas for the pressure regulating mechanism
One end of the output end of storage device, the output pressure controller and the pressure regulating mechanism communicate, with pre- to user's output
The biogas of constant-pressure.
Preferably, the pressure regulating mechanism includes the pressure-applying unit and pressure relief assembly of parallel connection setting；The pressurization
Component includes charged air induction valve and frequency conversion biogas compressor, and the frequency conversion biogas compressor entrance connects the charged air induction valve,
And outlet is connected to the output pressure controller, described plus output pressure controller and the frequency conversion biogas compressor and described
Charged air induction valve communication, to provide a user High-pressure Marsh Gas；The pressure relief assembly include pressure reducing air inlet valve and decompression Venturi tube,
The decompression Venturi tube undergauge end connects the pressure reducing air inlet valve, and expanding end connects the output pressure controller, described
Output pressure controller and the pressure reducing air inlet valve communicate, to provide a user low pressure marsh gas.
As shown from the above technical solution, the present invention provides a kind of small-sized rubbish from cooking bionethanation systems, the beneficial effect is that:
By the feed preparation unit, the S type water sealing (sealing water) pipe and the storage device, the receipts at initial stage are carried out to rubbish from cooking
Collection and pretreatment, since the storage device seals, effectively prevent the growth of fly worm so that rubbish from cooking is taken care of the pence
And peculiar smell diffusion.The binder sieve plate and the biogas residue sieve plate is arranged in the biogas generating device, prevents rubbish from cooking from floating, no
Anaerobic fermentation can be participated in completely, while can suitably disturb the process of anaerobic fermentation, improve anaerobic fermentation efficiency.The biogas hair
Generating apparatus is additionally provided with the reflux pump and the reflux manifold and the reaction kettle heater, so that the biogas occurs
Anaerobic fermentation in device is more efficient, while being suitable for carrying out the preparation of biogas under Various Seasonal, varying environment.It is described small-sized
Rubbish from cooking bionethanation system overall process automatically controls, and reduces the influence of anthropic factor, improves the essential safety of whole system
Property.The small-sized rubbish from cooking bionethanation system further comprises the biogas output pressure regulating device, according to different user pair
In the demand of biogas pressure, the biogas of different pressures is exported, meets the needs of different user, further increases the suitable of whole system
The property used.The small-sized rubbish from cooking bionethanation system is collected into anaerobic fermentation from rubbish from cooking and generates biogas, stores to marsh gas purifying,
It arrives again and finally conveys the recycling that can effectively realize rubbish from cooking to user, realization overall process operation with closed ring, innoxious place
Reason.
Detailed description of the invention
Fig. 1 is the flow diagram of the small-sized rubbish from cooking bionethanation system.
Fig. 2 is the structural schematic diagram of the biogas generating device.
Fig. 3 is the schematic diagram of biogas generating device side elevational cross-section shown in Fig. 2.
Fig. 4 is the schematic diagram of the temperature-controlling module.
Fig. 5 is the structural schematic diagram of the biogas storage device.
Fig. 6 is the schematic diagram of the pressure control assembly.
Fig. 7 is the biogas output pressure regulating device structural schematic diagram.
In figure: small-sized rubbish from cooking bionethanation system 1, feed preparation unit 10, feeding warehouse 110, charging bin discharge port external
101, feeding warehouse lid 120, horizontal shaft type crusher 130, water sprayer tube 140, spray head 141, high water tank 150, S type water sealing (sealing water) pipe
20, storage device 30, negative pressure pump 310, fluid level controller 320, inlet control valve 40, biogas generating device 50, reaction kettle
510, reaction kettle feed inlet 511, biogas extraction mouth 512, biogas residue outlet 513, biogas slurry outlet 514, annular groove 515, pressure
Material screen plate 520, handle 521, movable sleeve 522, cone screen plate 523, biogas residue sieve plate 530, biogas slurry reflux pump 540, biogas slurry return pipe
Remittance 550, backflow distributor 560, distributor supervisor 561, distributor branch pipes 562, reaction kettle heater 570, temperature-controlling module
580, temperature monitor 581, temperature controller 582, tee T slag scraper 590, scrape slag telescopic rod 591, wedge block 5911, draw
Bar 592, handle 5921, methane purifying device 60, liquid phase scrubbing layer 610, solid phase absorbed layer 620, biogas storage device 70, gas storage
Capsule 710, the first check (non-return) valve 711, pressure plare 712, storage gas tank 720, the second check (non-return) valve 721, pressure control assembly 730, pressure
Detector 731, pressure controller 732, relief valve 733, biogas output pressure regulating device 80, pressure regulating mechanism 810, pressurization
Component 811, charged air induction valve 8111, frequency conversion biogas compressor 8112, pressure relief assembly 812, output pressure controller 820, decompression
Intake valve 8121, decompression Venturi tube 8122.
Specific embodiment
Below in conjunction with attached drawing of the invention, the technical solution of the embodiment of the present invention is further described in detail.
Fig. 1, Fig. 2 are please referred to, in a preferred embodiment, a kind of small-sized rubbish from cooking bionethanation system 1, including be sequentially connected
Feed preparation unit 10, S type water sealing (sealing water) pipe 20, storage device 30, negative pressure pump 310, fluid level controller 320, charging control
Valve 40, biogas generating device 50, methane purifying device 60 and biogas storage device 70 processed, each device closed loop connect, described in formation
Small-sized rubbish from cooking bionethanation system 1 realizes from being collected into anaerobic fermentation, the whole process supervision from marsh gas purifying to biogas storage,
Realize rubbish from cooking resource utilization, harmless treatment.
The feed preparation unit 10 includes feeding warehouse 110, feeding warehouse lid 120 and horizontal shaft type crusher 130, described
Feeding warehouse 110 be in infundibulate, lower end offer charging bin discharge port external 101,120 removable cover of feeding warehouse lid together in it is described into
110 upper end of feed bin, the horizontal shaft type crusher 130 is set to 110 middle part of feeding warehouse, to be crushed bulk rubbish from cooking.Zero
It dissipates the rubbish from cooking generated to collect first in the feeding warehouse 110, the feeding warehouse 110 can regard interim rubbish as at this time
Rubbish bucket, lid close the feeding warehouse lid 120, prevent emission of bad smell and breed fly worm, start the horizontal shaft type crusher 130, will
The scattered rubbish from cooking collected in the feeding warehouse 110 is broken, until the average grain diameter of rubbish from cooking is less than 1cm, for anaerobism
Fermentation process goes on smoothly offer basis.
Described 20 one end of S type water sealing (sealing water) pipe is connected to the charging bin discharge port external 101, and the other end is connected to the storage
Device 30, to prevent the stink in the storage device 30 from overflowing.
The storage device 30 is connected to the biogas generating device 50 by the inlet control valve 40, and described
Storage device 30 is provided with negative pressure pump 310 and fluid level controller 320, and the negative pressure pump 310 provides negative pressure, to aspirate
The rubbish from cooking being broken in feeding warehouse 110 is stated, the fluid level controller 320 is communicated with the inlet control valve 40.It is described into
After the broken completion of rubbish from cooking in feed bin 110, starts the negative pressure pump 310, extracted to the storage device 30 negative
Pressure, so that the rubbish from cooking in the feeding warehouse 110 enters storage device 30 by the S type water sealing (sealing water) pipe 20 and stores.
The stickum that rubbish from cooking contains often is bonded on the inner wall of the feeding warehouse 110, at the same time, described
S type water sealing (sealing water) pipe 20 is also required to water to seal, and prevents the peculiar smell that rubbish from cooking hydrolysis generates in the storage device 30.Therefore
And the feed preparation unit 10 further includes water sprayer tube 140, the 140 ring cloth of water sprayer tube is on the feeding warehouse 110
Portion's inner wall, and several spray heads 141 are evenly arranged with, the spray head 141 is towards 110 inner wall of feeding warehouse, described in rinsing
110 inner wall of feeding warehouse.Water rinses 110 inner wall of feeding warehouse by the water sprayer tube 140, while in the S type water sealing (sealing water) pipe
Water seal is formed in 20, and be added the storage device 30 water can initial hydrolysis rubbish from cooking, further prevent food waste rubbish
Rubbish everfermentation in the storage device 30.Further, the rubbish from cooking stored in the storage device 30 can
Its quality of first successive step, especially adjusts its pH value and nitrogen and phosphorus content, is based on this problem, the feed preparation unit 10 is also
Including high water tank 150, the high water tank 150 is located at 110 top of feeding warehouse, and lower end outlet is connected to the water spray
Shower pipe 140, the high water tank 150 can temporarily collect washing sewage or swill, this part water not only alternative above-mentioned flushing institute
The water of the water seal of the water and the S type water sealing (sealing water) pipe 20 of 110 inner wall of feeding warehouse is stated, and can be in the storage device 30
Rubbish from cooking supplements nitrogen P elements, while having recycled part household sanitary sewage, reduces sanitary sewage and arranges to municipal administration pipe
The amount of net.
The biogas generating device 50 includes reaction kettle 510, binder sieve plate 520 and biogas residue sieve plate 530, the reaction kettle
Straight-tube shape reaction kettle feed inlet 511 is arranged in 510 upper ends, and 511 upper end of reaction kettle feed inlet is connected to the inlet control valve
40, the binder sieve plate 520 includes handle 521, movable sleeve 522 and cone screen plate 523, and the movable sleeve 522 is located at described anti-
Answer the inside of kettle feed inlet 511, bottom end is lower than 511 lower end of reaction kettle feed inlet, and with 511 gap of reaction kettle feed inlet
Cooperation, the handle 521 setting are described 522 upper and lower displacement of movable sleeve is manually operated in 522 upper end of movable sleeve
523 upper end of cone screen plate is fixedly connected on 522 lower end of movable sleeve, and lower end fits in 510 inner wall of reaction kettle, upper lift
The handle 521, the movable sleeve 522 drives the cone screen plate 523 to move up, to disturb reaction mass；The biogas residue sieve plate
530 are located at 520 lower section of binder sieve plate, are obliquely installed, and periphery is bonded with 510 inner wall of reaction kettle, to collect biogas residue.
When the amount of the rubbish from cooking stored in the storage device 30 reaches predetermined value, the fluid level controller
320 detect scheduled level value, and transmission communication signal gives the inlet control valve 40, controls the inlet control valve 40 and opens
It opens, all the enter reaction kettle 510 of the rubbish from cooking stored in the storage device 30 carries out anaerobic fermentation production natural pond
Gas.When the liquid level of the storage device 30 is down to zero-bit, the inlet control valve 40 is closed.It is mentioned in the reaction kettle 510
The preceding anaerobic fermentation inoculum that predetermined amount is added, the anaerobic fermentation inoculum are selected from sediment of pond, anaerobic activated sludge, biogas
At least one of bottom of pond mud, old methane-generating pit biogas residue or old biogas digested liquor of biogas generating pit.In anaerobic fermentation reaction process, periodically by described
Handle 521 is lifted the binder sieve plate 520, on the one hand disturbs the material in the reaction kettle 510, on the other hand, makes to float on liquid
The rubbish from cooking of lightweight on face comes into full contact with reaction mass, the further efficiency and rubbish from cooking for improving anaerobic fermentation
Utilization rate.The biogas residue generated in reaction process is collected lower with the biogas residue sieve plate 530 by the biogas residue sieve plate 530
End.
510 top of reaction kettle is provided with the extraction mouth 512 of the biogas with valve, to produce natural pond caused by anaerobic fermentation
Gas；The biogas residue outlet 513 with valve is arranged in lower part, and the biogas residue of anaerobic fermentation process generation is discharged, the biogas residue of discharge is consolidated
Processing is made compost in useless processing；And biogas slurry outlet 514, extra biogas slurry is discharged.513 minimum point of biogas residue outlet connects
It is connected to 530 minimum point of biogas residue sieve plate, the biogas slurry outlet 514 is set to below 530 minimum point of biogas residue sieve plate, and
Far from the biogas residue outlet 513.
To guarantee that the material in the reaction kettle 510 sufficiently disturbs, but also the biogas slurry of 510 bottom of the reaction kettle is followed
Ring comes into full contact with reaction mass, improves anaerobic fermentation efficiency, continuing with reference to Fig. 1, Fig. 2, in another preferred embodiment, and institute
Stating biogas generating device 50 further includes that biogas slurry reflux pump 540 and biogas slurry reflux manifold 550,540 entrance of biogas slurry reflux pump connect
It is connected to the biogas slurry outlet 514, the biogas slurry reflux 550 one end of manifold is connected to the biogas slurry reflux pump 540 and exports, another
End is connected to the reaction kettle feed inlet 511, by the biogas slurry circulating reflux of 510 bottom of reaction kettle to the reaction kettle
510 tops.
Further, backflow distributor 560 is set in the reaction kettle feed inlet 511, the backflow distributor 560 includes
Distributor supervisor 561 and several distributor branch pipes 562 being evenly arranged on the distributor supervisor 561, the distributor master
Pipe 561 extends through the movable sleeve 522 and reaction kettle feed inlet 511, and is connected to the biogas slurry reflux manifold 550 far from institute
One end of biogas slurry reflux pump 540 is stated, opens up several spray orifices in the distributor branch pipes 562, with the biogas slurry of uniform sprinkling reflux, institute
It states movable sleeve 522 and the distributor is responsible for 561 intersections and opens up strip-shaped hole, the strip-shaped hole is responsible for perpendicular to the distributor
561, so that the movable sleeve 522 can move up and down.
In the present embodiment, in anaerobic fermentation process, due to the filtration of the biogas residue sieve plate 530, in the reaction
510 bottom of kettle can generate the preferable biogas slurry of part mass, this part biogas slurry is drained by the way that described 540 a part of biogas slurry reflux pump is outer
Municipal sewage pipe network, remainder is then back to 510 top of reaction kettle by biogas slurry reflux manifold 550, to improve
Anaerobic fermentation efficiency.Further, to be uniformly distributed the biogas slurry of reflux, and less impact force is generated, setting is described to return
Flow distributor 560.
Requirement of the anaerobic fermentation process to temperature is more harsh, and 15 DEG C under normal circumstances~35 DEG C are more appropriate temperature.
And in winter in the north, environment temperature is lower, and anaerobic fermentation activity is lower, and anaerobic fermentation is inefficient.Another embodiment
In, the biogas generating device 50 further includes reaction kettle heater 570 and temperature-controlling module 580, to adjust the reaction kettle
The temperature parameter of interior material improves anaerobic fermentation reaction rate.The reaction kettle heater 570 is surrounded on the reaction kettle 510
In the middle part of outer wall, to provide heat source to the reaction kettle 510, the temperature-controlling module 580 includes temperature monitor 581 and temperature
Controller 582, the temperature monitor 581 is set to 510 middle inside of reaction kettle, to detect temperature in reaction kettle 510,
The temperature monitor 581 is communicated with the temperature controller 582, and the temperature controller 582 reacts kettle heater with described
570 communications, to control temperature in reaction kettle 510.
Please refer to Fig. 4, the working principle of the temperature-controlling module 580 are as follows: the temperature monitor 581 detects described
510 interior reaction temperature T1 of reaction kettle, and the temperature T1 that will test is transferred to the temperature controller 582, the temperature control
Instrument 582 is by the temperature T1 compared with preset reaction temperature T0, and if T1 is lower than T0, then the temperature controller 582 transmits
Open signal gives the reaction kettle heater 570, and the reaction kettle heater 570 works, and heats up to the reaction kettle 510, until
Temperature T1 is equal to T0.
Fig. 3 is please referred to, the biogas residue generated in rubbish from cooking anaerobic fermentation process is often attached to described since its viscosity is larger
On biogas residue sieve plate 530, so that the biogas residue sieve plate 530 blocks, the process of anaerobic fermentation is influenced.Another embodiment
In, the biogas generating device 50 further includes tee T slag scraper 590, and the tee T slag scraper 590 includes vertically disposed
Scrape slag telescopic rod 591 and pull rod 592, it is described to scrape 591 both ends of slag telescopic rod setting wedge block 5911, the reaction kettle 510 with
The upper limit setting annular groove 515 of 530 engaging portion of biogas residue sieve plate, the wedge block 5911 and the annular groove
515 engagings, the pull rod 592 extends through 510 side wall of reaction kettle far from described one end for scraping slag telescopic rod 591, and sets
Handle 5921 is set, the pull rod 592 is clamped with 510 side wall of reaction kettle, pulls the handle 5921, described to scrape slag telescopic rod
The 591 fitting biogas residue sieve plates 530 are moved to the minimum point of the biogas residue sieve plate 530, so that the natural pond on the biogas residue sieve plate 530
Slag is discharged from the biogas residue outlet 513, and in the process, the slag telescopic rod 591 of scraping is under the action of wedge block 5911
Elongation, so that the entire surface movement scraped slag telescopic rod 591 and be bonded the biogas residue sieve plate 530, reaches and preferably scrape slag effect.
Biogas caused by rubbish from cooking anaerobic fermentation contains H2S、CO2And H2The foreign gases such as O influence the biogas
Quality, or even prevent generated biogas from normally being used, H2There is also biggish security risks for the leakage of S gas.
Please referring to Fig. 1, in a preferred embodiment, the 60 bottom end feed inlet of methane purifying device is connected to the biogas extraction mouth 512,
It is introduced into the methane purifying device 60 and is purified with the biogas for generating anaerobic fermentation, remove H2S、CO2And H2O.Top goes out
Material mouth is connected to the biogas storage device 70, and 60 lower part of methane purifying device is liquid phase scrubbing layer 610, and top is solid phase
Absorbed layer 620, the biogas that the biogas generating device generates are entered by the 60 bottom end feed inlet of methane purifying device, are successively passed through
The liquid phase scrubbing layer 610 and the solid phase absorbed layer 620 remove H2S、CO2And H2Enter the biogas storage device 70 after O.
Preferably, the liquid phase scrubbing layer 610 is dilute alkaline soln, preferably 2%~10% soda lye, to remove H2S and big
Part CO2, at least one layer of the solid phase absorbed layer 620, it is filled with calcium oxide solid, to absorb remaining CO2And H2O, preferably
Ground, the solid phase absorbed layer 620 are two layers, are successively filled with calcium oxide solid and anhydrous silica gel or anhydrous cupric sulfate respectively,
Further to absorb H contained in biogas2O, by the biogas of purification, H2S、CO2And H2The content of O reaches requirement
Afterwards, storing for future use into the storage device 70.
During rubbish from cooking anaerobic fermentation, the requirement for system pressure is more harsh, it is generally the case that system
Pressure maintains normal pressure or micro-positive pressure, still, as the air pressure in biogas storage device 70 increases, the pressure in the reaction kettle
Also can be with raising, and then react on entire anaerobic fermentation process.Please refer to Fig. 5, Fig. 6, it is described in another embodiment
Biogas storage device 70 includes that storage air bag 710 and storage gas tank 720,710 entrance of storage air bag are connected to the biogas
The top discharge port of purification device 60, and the first check (non-return) valve 711 is set, to prevent the biogas collected in the air storage bag 710 anti-
String, 720 entrance of storage gas tank are connected to the storage air bag 710 and export, and the second check (non-return) valve 721 is arranged, to prevent
The biogas collected in storage gas tank 720 is stated to play a reversed role.The biogas storage device 70 further includes pressure control assembly 730, institute
Stating pressure control assembly 730 includes pressure detecting instrument 731, pressure controller 732 and relief valve 733, the pressure detecting instrument 731
It is set on the storage air bag 710, to detect the pressure of the storage air bag 710, the relief valve 733 is set to described deposit
In the connecting tube of air storage bag 710 and the storage gas tank 720, the pressure detecting instrument 731 and the pressure controller 732 are logical
News, the pressure controller 732 are communicated with the relief valve 733, so that the biogas in the storage air bag 710 leaks into described deposit
Air accumulator 720.The pressure detecting instrument 731 detects the pressure P1 in the air storage bag 710, and is transferred to the pressure control
Instrument 732, the pressure controller 732 by pressure P1 compared with presetting pressure P0, when P1 be greater than P0, the pressure controller
The 732 control relief valves 733 are opened, and the biogas in the air storage bag 710 is discharged into the storage gas tank 720.Into one
Step ground, to enable the biogas in the air storage bag 710 to be discharged into the storage gas tank 720, sets on the air storage bag 710
Pressure plare 712 is set, the biogas in the air storage bag 710 is pressed into the storage gas tank 720, the pressure plare 712 and institute
The communication of pressure controller 732 is stated, is worked with controlling the pressure plare 712 by the pressure controller 732.
The biogas stored in the storage gas tank 720 finally wants user oriented to use, but in use, different
User is different for the pressure demand of biogas, needs higher biogas pressure if for cooker, to maintain preferable burning shape
State provides the more combustion heat, illuminates for biogas lamp, then needs lower pressure, while reaching optimal illuminating effect,
It improves the safety of use.Fig. 7 is please referred to, in a preferred embodiment, the small-sized rubbish from cooking bionethanation system 1 further includes
Biogas output pressure regulating device 80, the biogas output pressure regulating device 80 include that pressure regulating mechanism 810 and output are pressed
Power controller 820, described 810 one end of pressure regulating mechanism are connected to the output end of the biogas storage device 70, the output
Pressure controller 820 is connected to one end of the output end far from the biogas storage device 70 of the pressure regulating mechanism 810,
The output pressure controller 820 is communicated with the pressure regulating mechanism 810, to export the biogas of predetermined pressure to user.Institute
It states output pressure controller 820 and exports scheduled user's pressure, and control the pressure regulating mechanism 810 and act, adjust output
To the biogas pressure of user.
Preferably, the pressure regulating mechanism 810 includes the pressure-applying unit 811 and pressure relief assembly of parallel connection setting
812；The pressure-applying unit 811 includes charged air induction valve 8111 and frequency conversion biogas compressor 8112, the frequency conversion biogas compressor
8112 entrances connect the charged air induction valve 8111, and outlet is connected to the output pressure controller 820, the output pressure
Controller 820 and the frequency conversion biogas compressor 8112 and the charged air induction valve 8111 communicate, to provide a user high pressure methane
Gas；The pressure relief assembly 812 includes that pressure reducing air inlet valve 8121 and decompression Venturi tube 8122, the decompression Venturi tube 8122 contract
Diameter end connects the pressure reducing air inlet valve 8121, and expanding end connects the output pressure controller 820, the output pressure control
Instrument 820 and the pressure reducing air inlet valve 8121 communicate, to provide a user low pressure marsh gas.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and wants according to right of the present invention
Made equivalent variations is sought, is still belonged to the scope covered by the invention.
Claims (10)
1. a kind of small-sized rubbish from cooking bionethanation system, which is characterized in that including sequentially connected feed preparation unit, S type water
Tube sealing, storage device, inlet control valve, biogas generating device, methane purifying device and biogas storage device；
The feed preparation unit includes feeding warehouse, feeding warehouse lid and horizontal shaft type crusher, and the feeding warehouse is in infundibulate,
Lower end offers charging bin discharge port external, and for the feeding warehouse lid removable cover together in the feeding warehouse upper end, the horizontal shaft type is broken
Machine is set in the middle part of the feeding warehouse, to be crushed bulk rubbish from cooking；
Described S type water sealing (sealing water) pipe one end is connected to the charging bin discharge port external, and the other end is connected to the storage device, to prevent
Only the stink in the storage device overflows；
The storage device is connected to the biogas generating device by the inlet control valve, and the storage fills
It installs and is equipped with negative pressure pump and fluid level controller, the negative pressure pump provides negative pressure, to aspirate the kitchen being broken in the feeding warehouse
Remaining rubbish, the fluid level controller and the inlet control valve communicate.
The biogas generating device includes reaction kettle, binder sieve plate, biogas residue sieve plate, and the reaction kettle upper end setting straight-tube shape reacts
Kettle feed inlet, reaction kettle feed inlet upper end are connected to the inlet control valve, and the binder sieve plate includes handle, movable sleeve
And cone screen plate, the movable sleeve are located on the inside of the reaction kettle feed inlet, bottom end is lower than reaction kettle feed inlet lower end, and
With the reaction kettle feed inlet clearance fit, the handle setting is in the movable set upper side, the movable sleeve is manually operated
Upper and lower displacement, the cone screen plate upper end is fixedly connected on the movable sleeve lower end, and lower end fits in the reaction kettle inner wall,
The upper lift handle, the movable sleeve drives the cone screen plate to move up, to disturb reaction mass；The biogas residue sieve plate is located at institute
It states below binder sieve plate, is obliquely installed, and periphery is bonded with the reaction kettle inner wall, to collect biogas residue.
The reaction kettle top is provided with the extraction of the biogas with valve mouth, lower part biogas residue outlet of the setting with valve and biogas slurry row
Outlet, the biogas residue outlet minimum point are connected to the biogas residue sieve plate minimum point, and the biogas slurry outlet is set to the natural pond
Below slag sieve plate minimum point, and far from the biogas residue outlet.
2. small-sized rubbish from cooking bionethanation system as described in claim 1, which is characterized in that the feed preparation unit also wraps
Water sprayer tube is included, the water spray pipe ring cloth is evenly arranged with several spray heads in the feeding warehouse upper inside wall, the spray head
Towards the feeding warehouse inner wall, to rinse the feeding warehouse.
3. small-sized rubbish from cooking bionethanation system as described in claim 1, which is characterized in that the biogas generating device further includes
Biogas slurry reflux pump and biogas slurry reflux manifold, the biogas slurry reflux pump intake are connected to the biogas slurry outlet, the biogas slurry reflux
Manifold one end is connected to the biogas slurry reflux pump discharge, and the other end is connected to the reaction kettle feed inlet, by the reaction kettle
The biogas slurry circulating reflux of bottom is to the reaction kettle top.
4. small-sized rubbish from cooking bionethanation system as claimed in claim 3, which is characterized in that setting in the reaction kettle feed inlet
Backflow distributor, the backflow distributor include distributor supervisor and several distributions being evenly arranged on the distributor supervisor
Device branch pipe, the distributor supervisor extends through the movable sleeve and reaction kettle feed inlet, and is connected to the biogas slurry return pipe
It converges one end far from the biogas slurry reflux pump, opens up several spray orifices in the distributor branch pipes, with the biogas slurry of uniform sprinkling reflux,
The movable sleeve and distributor supervisor intersection open up strip-shaped hole, and the strip-shaped hole is responsible for perpendicular to the distributor, with
The movable sleeve is set to move up and down.
5. small-sized rubbish from cooking bionethanation system as claimed in claim 3, which is characterized in that the biogas generating device further includes
Kettle heater and temperature-controlling module are reacted, the reaction kettle heater is surrounded on the reaction kettle outer wall middle part, with to described
Reaction kettle provides heat source, and the temperature-controlling module includes temperature monitor and temperature controller, the temperature monitor setting
In the reaction kettle middle inside, to detect reactor temperature, the temperature monitor and the temperature controller are communicated, institute
It states temperature controller and reacts kettle heater communication with described, to control reactor temperature.
6. small-sized rubbish from cooking bionethanation system as described in claim 1, which is characterized in that the biogas generating device further includes
Tee T slag scraper, the tee T slag scraper include it is vertically disposed scrape slag telescopic rod and pull rod, it is described to scrape slag telescopic rod two
The upper limit setting annular groove of end setting wedge block, the reaction kettle and biogas residue sieve plate engaging portion, the wedge shape are sliding
Block engages with the annular groove, and the pull rod extends through the reaction kettle side wall far from described one end for scraping slag telescopic rod,
And setting handle, the pull rod and the reaction kettle side wall are clamped, and pull the handle, the slag telescopic rod of scraping is bonded the natural pond
Slag sieve plate is moved to the minimum point of the biogas residue sieve plate, so that the biogas residue on the biogas residue sieve plate is arranged from the biogas residue outlet
Out.
7. small-sized rubbish from cooking bionethanation system as described in claim 1, which is characterized in that the methane purifying device bottom end into
Material mouth is connected to biogas extraction mouth, and top discharge port is connected to the biogas storage device, under the methane purifying device
Portion is liquid phase scrubbing layer, and top is solid phase absorbed layer, and the biogas that the biogas generating device generates is by the methane purifying device
Lower end enters, and successively through the liquid phase scrubbing layer and the solid phase absorbed layer, enters the biogas after removing H2S, CO2 and H2O
Storage device.
8. small-sized rubbish from cooking bionethanation system as described in claim 1, which is characterized in that the biogas storage device includes depositing
Air storage bag and storage gas tank, the storage air bag entrance are connected to the top discharge port of the methane purifying device, and are arranged the
One check (non-return) valve, the storage gas tank entrance is connected to the storage air bag outlet, and the second check (non-return) valve, the biogas is arranged
Storage device further includes pressure control assembly, and the pressure control assembly includes pressure detecting instrument, pressure controller and relief valve,
The pressure detecting instrument is set on the storage air bag, and to detect the pressure of the storage air bag, the relief valve is set to
In the connecting tube of the storage air bag and the storage gas tank, the pressure detecting instrument and the pressure controller are communicated, described
Pressure controller and the relief valve communicate, so that the biogas in the storage air bag leaks into the storage gas tank.
9. the small-sized rubbish from cooking bionethanation system as described in any one of claim 1~8, which is characterized in that further include natural pond
Gas output pressure regulating device, the biogas output pressure regulating device include pressure regulating mechanism and output pressure controller,
Described pressure regulating mechanism one end is connected to the output end of the biogas storage device, and the output pressure controller is connected to institute
State one end of the output end far from the biogas storage device of pressure regulating mechanism, the output pressure controller and the pressure
Power regulating mechanism communication, to export the biogas of predetermined pressure to user.
10. small-sized rubbish from cooking bionethanation system as claimed in claim 9, which is characterized in that the pressure regulating mechanism includes
The pressure-applying unit and pressure relief assembly of parallel connection setting；
The pressure-applying unit includes charged air induction valve and frequency conversion biogas compressor, described in the frequency conversion biogas compressor entrance connection
Charged air induction valve, and outlet is connected to the output pressure controller, described plus output pressure controller and the frequency conversion biogas
Compressor and charged air induction valve communication, to provide a user High-pressure Marsh Gas；
The pressure relief assembly includes pressure reducing air inlet valve and decompression Venturi tube, is subtracted described in the decompression Venturi tube undergauge end connection
It is pressed into air valve, and expanding end connects the output pressure controller, the output pressure controller and the pressure reducing air inlet valve are logical
News, to provide a user low pressure marsh gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811597424.5A CN109609351A (en) | 2018-12-26 | 2018-12-26 | Small-sized rubbish from cooking bionethanation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811597424.5A CN109609351A (en) | 2018-12-26 | 2018-12-26 | Small-sized rubbish from cooking bionethanation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109609351A true CN109609351A (en) | 2019-04-12 |
Family
ID=66011599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811597424.5A Pending CN109609351A (en) | 2018-12-26 | 2018-12-26 | Small-sized rubbish from cooking bionethanation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109609351A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111088087A (en) * | 2019-12-30 | 2020-05-01 | 广东瓦格耐电力科技有限公司 | Biogas pretreatment device for biogas generator set |
-
2018
- 2018-12-26 CN CN201811597424.5A patent/CN109609351A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111088087A (en) * | 2019-12-30 | 2020-05-01 | 广东瓦格耐电力科技有限公司 | Biogas pretreatment device for biogas generator set |
| CN111088087B (en) * | 2019-12-30 | 2021-07-20 | 广东瓦格耐电力科技有限公司 | Biogas pretreatment device for biogas generator set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108641936B (en) | Integral two-phase anaerobic dry fermentation reactor based on rumen bionic principle | |
| CN104261907B (en) | The dry type anaerobic treatment method of rubbish from cooking | |
| CN106222074A (en) | The dynamic anaerobic fermentation equipment of continuous way wet-and-dry two-stage | |
| CN103865781B (en) | Domestic refuse and farm crop straw organism dry fermentation treatment unit | |
| CN104016556A (en) | Large-size waste recycling system | |
| CN101812400A (en) | Vertical dry-process anaerobic fermentation device | |
| CN101812401B (en) | Device for producing biogas by two-phase three-section anaerobic digestion of high solids of perishable organic wastes | |
| CN205576158U (en) | Two stage of solid -liquid anaerobic fermentation device | |
| CN109609351A (en) | Small-sized rubbish from cooking bionethanation system | |
| CN206244783U (en) | A kind of van-type anaerobic ferment devices | |
| CN114196511A (en) | Sequencing batch type domestic garbage anaerobic dry fermentation device and method | |
| CN108410715B (en) | High-solid methane production system for wood fiber raw material and process method thereof | |
| CN107881091A (en) | A kind of closed type temperature controlled pipeline organic waste of intelligence, sewage natural pond gas generating system | |
| CN206651180U (en) | A kind of ecological pig farm | |
| CN202022828U (en) | Sludge washing system and biological treatment system thereof | |
| CN101974410B (en) | Five-stage anaerobic methane reactor | |
| CN101220333A (en) | Sludge gas technique of city dejecta | |
| CN208649316U (en) | A kind of lignocellulose raw material high solid methane phase system | |
| CN101654688B (en) | Device for efficiently producing marsh gas | |
| CN210936405U (en) | Environment-friendly intelligent organic garbage disposal system | |
| CN105948244A (en) | Multifunctional domestic sewage purification system and use method thereof | |
| CN206814478U (en) | A kind of unpowered automatic stirring and the methane production device for being recycled feed liquid | |
| CN206692654U (en) | A kind of anaerobic fermentation system | |
| CN207685071U (en) | A kind of Multi-functional excrement sewage treatment combination fixture | |
| CN207143249U (en) | A kind of pigsty marsh gas fermentation pool with filtering function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190412 |
|
| WD01 | Invention patent application deemed withdrawn after publication |