CN107858272B - Biogas fermentation tank - Google Patents

Biogas fermentation tank Download PDF

Info

Publication number
CN107858272B
CN107858272B CN201711272469.0A CN201711272469A CN107858272B CN 107858272 B CN107858272 B CN 107858272B CN 201711272469 A CN201711272469 A CN 201711272469A CN 107858272 B CN107858272 B CN 107858272B
Authority
CN
China
Prior art keywords
tank
tank body
pipe
fermentation tank
fermentation
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.)
Active
Application number
CN201711272469.0A
Other languages
Chinese (zh)
Other versions
CN107858272A (en
Inventor
梁燕燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ren Dong
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201711272469.0A priority Critical patent/CN107858272B/en
Publication of CN107858272A publication Critical patent/CN107858272A/en
Application granted granted Critical
Publication of CN107858272B publication Critical patent/CN107858272B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • C12M23/00—Constructional details, e.g. recesses, hinges
    • C12M23/36—Means for collection or storage of gas; Gas holders
    • 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
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02—Stirrer or mobile mixing elements
    • 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
    • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
    • C12M29/18—External loop; Means for reintroduction of fermented biomass or liquid percolate
    • 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
    • C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
    • C12M33/10—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by centrifugation ; Cyclones
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Clinical Laboratory Science (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
  • Fertilizers (AREA)

Abstract

The invention discloses a biogas fermentation tank, which comprises: the fermentation tank comprises a fermentation tank body and a fermentation tank cover, wherein the fermentation tank body comprises a tank cover, a tank body and a tank bottom which are integrally formed, a feeding channel is arranged on one side of the tank cover, a discharge hole is formed in the tank bottom, and a movable partition plate is arranged at the bottom of the tank body; the cyclone separator is arranged above the outside of the fermentation tank body, an air inlet of the cyclone separator is communicated with the other side of the tank cover through an air inlet pipe, and an air outlet of the cyclone separator is communicated with the tank bottom through an air outlet pipe; the carbonization component is arranged at the upper part of the tank body and comprises a plurality of burners which are arranged on the inner wall of the tank body at intervals along the circumferential direction of the tank body, a spray pipe which is annular is horizontally arranged below the burners, one end of the spray pipe is closed, and the other end of the spray pipe penetrates through the tank body and is communicated with an external water inlet pipe; and the spray heads are arranged on the spray pipe at intervals. The invention has the advantages of high fermentation speed, clean marsh gas, high yield and the like.

Description

Biogas fermentation tank
Technical Field
The invention relates to the field of fermentation equipment. More particularly, the present invention relates to a biogas fermenter.
Background
Biogas is a combustible gas produced by various organic substances through the fermentation of microorganisms under the conditions of air isolation (reduction conditions) and proper temperature and pH value. Biogas is a secondary energy source and is a renewable energy source. The existing biogas fermentation is to directly put organic substances and water into a fermentation tank for closed fermentation, a scum layer, an upper clear liquid layer, an active layer and a sediment layer are formed from the top to the bottom of biogas slurry in the fermentation process, and the existence of the scum layer can seriously influence the yield of the biogas.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a biogas fermentation tank which has no scum layer in the fermentation process, fast fermentation and high biogas yield.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a biogas fermenter comprising:
the fermentation tank comprises a fermentation tank body and a fermentation tank bottom, wherein the fermentation tank body comprises a tank cover, a tank body and a tank bottom which are integrally formed, the tank cover and the tank bottom are both hemispherical towards an opening of the tank body, a feeding channel which is obliquely arranged is arranged on one side of the tank cover, a discharging hole is formed in the bottom of the tank bottom, a movable partition plate is arranged at the bottom of the tank body and is a circular sieve plate which is arranged to be in contact with the inner wall of the tank body, two ends of the movable partition plate are respectively connected with an inner wall bearing of the tank body, and a rotating handle fixedly connected with the movable partition plate is further arranged outside one end of the movable partition plate so that the movable partition plate can rotate under the action of the rotating handle;
the cyclone separator is arranged above the outside of the fermentation tank body, an air inlet of the cyclone separator is communicated with the other side of the tank cover through an air inlet pipe, and an air outlet of the cyclone separator is communicated with the tank bottom through an air outlet pipe;
the carbonization assembly is arranged at the upper part of the tank body and comprises a plurality of burners which are arranged on the inner wall of the tank body at intervals along the circumferential direction of the tank body and are positioned in the same horizontal plane, a spray pipe is annular and is horizontally arranged below the burners, one end of the spray pipe is closed, and the other end of the spray pipe penetrates out of the tank body to be communicated with an external water inlet pipe; a plurality of spray heads which are arranged on the spray pipe at intervals, and the nozzle of any spray head is arranged in a downward inclination way;
the stirring assembly is arranged inside the fermentation tank body and comprises a stirring shaft which is vertically arranged along the central axis of the fermentation tank body, the upper end of the stirring shaft penetrates out of the tank cover and is driven by a motor to rotate, and the lower end of the stirring shaft extends downwards to the position of the movable partition plate; a plurality of stirring vanes which are arranged on the stirring shaft below the plurality of nozzles at intervals, and two adjacent stirring vanes are arranged perpendicular to each other,
and the controller is arranged outside the fermentation tank body and is electrically connected with the cyclone separator and the motor.
Preferably, any stirring blade of the biogas fermentation tank comprises a support shaft which is horizontally and fixedly arranged on the stirring shaft, and two ends of the support shaft are provided with flexible scrapers which are abutted against the inner wall of the tank body; the two first stirring rods are symmetrically arranged in the middle of the supporting shaft along the stirring shaft, any one first stirring rod is a porous trapezoidal plate and is vertically arranged, and the upper bottom of the first stirring rod is fixedly connected with the stirring shaft; two sets of second puddlers, its edge the (mixing) shaft symmetry sets up the flexible scraper blade with between the first puddler, arbitrary a set of second puddler includes a plurality of second puddlers, its equal vertical setting, and with first puddler is located the coplanar, just the length from inside to outside of a plurality of second puddlers reduces in proper order.
Preferably, the biogas fermentation tank further comprises a heat insulation layer which is arranged outside the fermentation tank body and is in close contact with the outer wall of the fermentation tank body.
Preferably, the biogas fermentation tank further comprises a circulating spray assembly, which comprises a circulating feed pipe, one end of which is communicated with the lower part of the tank bottom, and the other end of which is communicated with an inlet of a circulating pump; and one end of the circulating discharge pipe is communicated with an outlet of the circulating pump, the other end of the circulating discharge pipe is communicated with the spray pipe through a three-way valve, and the circulating pump and the three-way valve are electrically connected with the controller.
Preferably, the biogas fermentation tank further comprises a temperature control assembly arranged inside the tank bottom, the temperature control assembly comprises an electric heating pipe arranged at the lower part of the tank bottom, and a temperature sensor arranged at the upper part of the tank bottom, wherein the electric heating pipe and the temperature sensor are electrically connected with the controller.
Preferably, the biogas fermentation tank further comprises a gas storage component which is arranged outside the fermentation tank body and comprises a gas storage tank; and one end of the air storage pipe is communicated with the air storage tank, the other end of the air storage pipe is communicated with the air outlet pipe through a three-way one-way valve, and the three-way one-way valve is electrically connected with the controller.
Preferably, the biogas fermentation tank is provided with a bacteria throwing port at the upper part of the tank bottom, and a bacteria throwing port sealing door is hinged on the bacteria throwing port.
Preferably, the biogas fermentation tank, last articulated feed inlet airtight door that has of feedstock channel, last articulated discharge gate airtight door that has of discharge gate, feedstock channel's below be equipped with the blow vent on the cover, be equipped with the breather valve on it.
Preferably, in the biogas fermentation tank, the plurality of burners is 14 burners.
The invention at least comprises the following beneficial effects:
firstly, the carbonization component is arranged to carbonize the surface part of the organic matter to form a porous structure, so that the action area of microorganisms is effectively enlarged, and the fermentation speed is high; by arranging the cyclone separator, the waste gas pollution can be reduced, the heat in the carbonization process of organic matters can be recovered, a heat source is provided for a substrate at the initial stage of fermentation, the growth, the propagation and the metabolism of microorganisms are promoted, and the fermentation is accelerated; through the arrangement of the movable partition plate and the stirring assembly, the supernatant in the fermentation process flows into the tank bottom, no scum layer is generated, and the yield of the biogas is high;
secondly, the first stirring rod and the flexible scraper are arranged on the stirring blades, so that the stirring efficiency of the middle part and the edge of the tank body can be improved, the generation of a stirring low-efficiency area is avoided, and the stirring effect is good;
thirdly, the liquid containing bacteria at the bottom of the tank can enter the fermentation substrate again through the spray head by arranging the circulating feeding pipe, so that the fermentation speed is improved;
fourthly, the temperature control assembly is arranged, so that the temperature in the tank bottom can be controlled in a proper range, on one hand, the growth, the propagation and the metabolism of microorganisms in the bacteria-containing liquid at the tank bottom can be promoted, on the other hand, a heat source can be provided for a fermentation substrate, and the fermentation of the substrate is accelerated;
fifthly, by arranging the gas storage component, clean methane can be guided into the gas storage tank for storage after the methane generated by the fermentation tank is separated by the cyclone separator, so that impurities in the methane are prevented from damaging a gas valve of the gas storage tank, and the service life of the gas storage tank is greatly prolonged;
sixthly, the biogas fermentation tank disclosed by the invention has the advantages that no scum is generated in the fermentation process, the fermentation speed is high, the biogas is clean, and the yield is high.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a main structural diagram according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and the accompanying drawings so that those skilled in the art can practice the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the present invention provides a biogas fermentation tank, comprising:
the fermentation tank comprises a fermentation tank body, and comprises a tank cover 11, a tank body 12 and a tank bottom 13 which are integrally formed, wherein the tank cover 11 and the tank bottom 13 are both hemispherical and open towards the tank body 12, a feeding channel 14 which is obliquely arranged is arranged on one side of the tank cover 11, a discharge hole 15 is arranged at the bottom of the tank bottom 13, a movable partition plate 16 is arranged at the bottom of the tank body 12, the movable partition plate 16 is a circular sieve plate and is arranged to be in contact with the inner wall of the tank body 12, two ends of the movable partition plate 16 are respectively connected with the inner wall of the tank body 12 through bearings, and a rotating handle 17 fixedly connected with the movable partition plate 16 is further arranged outside one end of the movable partition plate 16, so that the movable partition plate 16 rotates under the action of the rotating handle 17;
the cyclone separator 2 is arranged above the outside of the fermentation tank body, an air inlet of the cyclone separator 2 is communicated with the other side of the tank cover 11 through an air inlet pipe 21, and an air outlet of the cyclone separator 2 is communicated with the tank bottom 13 through an air outlet pipe 22;
the carbonization assembly is arranged at the upper part of the tank body 12 and comprises a plurality of burners 31 which are arranged on the inner wall of the tank body 12 at intervals along the circumferential direction of the tank body 12 and are positioned in the same horizontal plane, a spray pipe 32 which is annular is horizontally arranged below the plurality of burners 31, one end of the spray pipe 32 is closed, and the other end of the spray pipe penetrates out of the tank body 12 and is communicated with an external water inlet pipe 34; a plurality of shower heads 33 which are arranged on the shower pipe 32 at intervals, and the nozzles of any shower head 33 are arranged in a downward inclined manner;
the stirring assembly is arranged inside the fermentation tank body and comprises a stirring shaft 41 which is vertically arranged along the central axis of the fermentation tank body, the upper end of the stirring shaft 41 penetrates through the tank cover 11 and is driven by a motor 42 to rotate, and the lower end of the stirring shaft 41 downwards extends to the position of the movable partition plate 16; a plurality of stirring vanes which are provided on the stirring shaft 41 at intervals below the plurality of shower heads 33, and adjacent two stirring vanes are provided perpendicularly to each other, and,
a controller (not shown) provided outside the fermenter body, the controller being electrically connected to the cyclone 2 and the motor 42.
By arranging the carbonization component, the surface part of the organic matter is carbonized to form a porous structure, so that the action area of microorganisms is effectively enlarged, and the fermentation speed is high; by arranging the cyclone separator, the waste gas pollution can be reduced, the heat in the carbonization process of organic matters can be recovered, a heat source is provided for a substrate at the initial stage of fermentation, the growth, the propagation and the metabolism of microorganisms are promoted, and the fermentation is accelerated; through the arrangement of the movable partition plate and the stirring assembly, the supernatant in the fermentation process flows into the tank bottom, no scum layer is generated, and the yield of the biogas is high.
In another technical solution, any stirring blade of the biogas fermentation tank comprises a support shaft 431 which is horizontally and fixedly arranged on the stirring shaft 42, and two ends of the support shaft 431 are provided with flexible scrapers 432 which are abutted against the inner wall of the tank body 12; the two first stirring rods 433 are symmetrically arranged in the middle of the supporting shaft 431 along the stirring shaft 41, any one of the first stirring rods 433 is a porous trapezoidal plate which is vertically arranged, and the upper bottom of the porous trapezoidal plate is fixedly connected with the stirring shaft 41; two sets of second puddlers 434, it is along (mixing) shaft 41 symmetry sets up flexible scraper blade 432 with between first puddler 433, and arbitrary a set of second puddler 434 includes a plurality of second puddlers 434, and its equal vertical setting, and with first puddler 433 is located the coplanar, just the length of a plurality of second puddlers 434 reduces from inside to outside in proper order. Through set up first puddler and flexible scraper blade on stirring vane, can improve the stirring efficiency at jar body middle part and edge, avoid stirring the production in low efficiency district, stirring effect is good.
In another embodiment, the biogas fermentation tank further comprises an insulating layer (not shown) disposed outside the fermentation tank body and in close contact with the outer wall of the fermentation tank body. Through setting up the heat preservation, can avoid the internal heat of jar to scatter and disappear.
In another technical scheme, the biogas fermentation tank further comprises a circulating spray assembly, which comprises a circulating feed pipe 51, one end of which is communicated with the lower part of the tank bottom 13, and the other end of which is communicated with an inlet of a circulating pump 52; and a circulation discharge pipe 53 having one end connected to an outlet of the circulation pump 52 and the other end connected to the shower pipe 32 via a three-way valve 54, the other end of the three-way valve being connected to a water inlet pipe, wherein the circulation pump 52 and the three-way valve 54 are both electrically connected to the controller. By arranging the circulating feeding pipe, the liquid containing bacteria at the bottom of the tank can enter the fermentation substrate again through the spray head, so that the fermentation speed is improved.
In another technical solution, the biogas fermentation tank further comprises a temperature control assembly, which is arranged inside the tank bottom 13, and comprises an electric heating pipe 61, which is arranged at the lower part of the tank bottom 13, and a temperature sensor 62, which is arranged at the upper part of the tank bottom 13, wherein the electric heating pipe 61 and the temperature sensor 62 are both electrically connected with the controller. Through setting up the control by temperature change subassembly, can be with the temperature control in the tank bottoms at suitable scope, can promote the growth of the microorganism in the fungus-containing liquid at the tank bottoms on the one hand and breed and metabolism, on the other hand can provide the heat source for the fermentation substrate for the substrate fermentation accelerates.
In another technical scheme, the biogas fermentation tank further comprises a gas storage component, which is arranged outside the fermentation tank body and comprises a gas storage tank 71; and one end of the air storage pipe 72 is communicated with the air storage tank 71, and the other end of the air storage pipe is communicated with the air outlet pipe 22 through a three-way one-way valve 73, wherein the three-way one-way valve 73 is electrically connected with the controller. Through the arrangement of the gas storage assembly, clean methane can be guided into the gas storage tank for storage after being separated by the cyclone separator, impurities in the methane are prevented from damaging the gas valve of the gas storage tank, and the service life of the gas storage tank is greatly prolonged.
In another technical scheme, the upper part of the tank bottom of the biogas fermentation tank is provided with a bacteria throwing port 8, and a bacteria throwing port sealing door (not shown) is hinged on the bacteria throwing port. Through setting up and throwing the fungus mouth, fermentation earlier stage can put into the tank bottoms culture in advance with the fungus liquid, promotes microorganism multiplication, and in the fermentation process, can be according to the fermentation situation, put into the bacterial to improve fermentation efficiency.
In another technical scheme, the biogas fermentation tank is provided with a feed inlet airtight door (not shown) hinged on the feed channel 14, a discharge outlet airtight door (not shown) hinged on the discharge outlet 15, and a vent hole is arranged on the tank cover below the feed channel and provided with a vent valve.
In another embodiment, the plurality of burners 31 is 14 burners in the biogas fermentation tank.
The working process of the invention is as follows: 1. putting the bacterial liquid into the tank bottom from the bacteria feeding port, and closing the bacteria feeding port sealing door; 2. opening a feed inlet sealing door, a vent valve, a burner, a three-way valve and a cyclone separator, communicating a water inlet pipe with a spray pipe, simultaneously throwing an organic substrate into the tank body from a feed channel, carbonizing the surface part of the organic substrate under the action of water mist of the burner and a spray head, introducing clean hot air into the tank bottom after waste gas generated by combustion passes through the cyclone separator, and heating bacterial liquid to promote the activation and proliferation of the bacterial liquid; 3. when the organic substrate is added to the spray head, closing the feed inlet airtight door, the vent valve, the burner and the cyclone separator, opening the circulating pump and the motor, communicating the circulating discharge pipe with the spray pipe, pumping the bacterial liquid at the bottom of the tank into the tank body through the spray head, realizing the circulation of the bacterial liquid, and continuously stirring the organic substrate in the fermentation process; 4. when the biogas starts to be generated, the cyclone separator is opened, the gas outlet pipe is communicated with the gas storage pipe, and clean biogas is introduced into the gas storage tank; 5. after fermentation is finished, the circulating pump, the three-way valve, the motor, the cyclone separator and the three-way one-way valve are closed, the gas storage tank is removed, the discharge port sealing door is opened, biogas slurry is collected, then the rotating handle is rotated, the movable partition plate is inclined, and biogas residues are collected.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (6)

1. Biogas fermentation tank, its characterized in that includes:
the fermentation tank comprises a fermentation tank body and a fermentation tank bottom, wherein the fermentation tank body comprises a tank cover, a tank body and a tank bottom which are integrally formed, the tank cover and the tank bottom are both hemispherical towards an opening of the tank body, a feeding channel which is obliquely arranged is arranged on one side of the tank cover, a discharging hole is formed in the bottom of the tank bottom, a movable partition plate is arranged at the bottom of the tank body and is a circular sieve plate which is arranged to be in contact with the inner wall of the tank body, two ends of the movable partition plate are respectively connected with an inner wall bearing of the tank body, and a rotating handle fixedly connected with the movable partition plate is further arranged outside one end of the movable partition plate so that the movable partition plate can rotate under the action of the rotating handle;
the cyclone separator is arranged above the outside of the fermentation tank body, an air inlet of the cyclone separator is communicated with the other side of the tank cover through an air inlet pipe, and an air outlet of the cyclone separator is communicated with the tank bottom through an air outlet pipe;
the carbonization assembly is arranged at the upper part of the tank body and comprises a plurality of burners which are arranged on the inner wall of the tank body at intervals along the circumferential direction of the tank body and are positioned in the same horizontal plane, a spray pipe is annular and is horizontally arranged below the burners, one end of the spray pipe is closed, and the other end of the spray pipe penetrates out of the tank body to be communicated with an external water inlet pipe; a plurality of spray heads which are arranged on the spray pipe at intervals, and the nozzle of any spray head is arranged in a downward inclination way;
the stirring assembly is arranged inside the fermentation tank body and comprises a stirring shaft which is vertically arranged along the central axis of the fermentation tank body, the upper end of the stirring shaft penetrates out of the tank cover and is driven by a motor to rotate, and the lower end of the stirring shaft extends downwards to the position of the movable partition plate; a plurality of stirring vanes which are arranged on the stirring shaft below the plurality of nozzles at intervals, and two adjacent stirring vanes are arranged perpendicular to each other,
the controller is arranged outside the fermentation tank body and is electrically connected with the cyclone separator and the motor;
the circulating spraying assembly comprises a circulating feeding pipe, one end of the circulating feeding pipe is communicated with the lower part of the tank bottom, and the other end of the circulating feeding pipe is communicated with an inlet of a circulating pump; one end of the circulating discharge pipe is communicated with an outlet of the circulating pump, and the other end of the circulating discharge pipe is communicated with the spraying pipe through a three-way valve, wherein the circulating pump and the three-way valve are both electrically connected with the controller;
a fungus feeding port is formed in the upper part of the tank bottom, and a fungus feeding port sealing door is hinged to the fungus feeding port;
the plurality of burners is 14 burners.
2. The biogas fermentation tank of claim 1, wherein any one of the stirring blades comprises a support shaft horizontally fixed on the stirring shaft, and flexible scrapers abutting against the inner wall of the tank body are arranged at two ends of the support shaft; the two first stirring rods are symmetrically arranged in the middle of the supporting shaft along the stirring shaft, any one first stirring rod is a porous trapezoidal plate and is vertically arranged, and the upper bottom of the first stirring rod is fixedly connected with the stirring shaft; two sets of second puddlers, its edge the (mixing) shaft symmetry sets up the flexible scraper blade with between the first puddler, arbitrary a set of second puddler includes a plurality of second puddlers, its equal vertical setting, and with first puddler is located the coplanar, just the length from inside to outside of a plurality of second puddlers reduces in proper order.
3. The biogas fermentation tank of claim 1, further comprising an insulation layer disposed outside the fermentation tank body and in close contact with an outer wall of the fermentation tank body.
4. The biogas fermentation tank of claim 1, further comprising a temperature control assembly disposed inside the tank bottom, comprising an electric heating pipe disposed at a lower portion of the tank bottom, and a temperature sensor disposed at an upper portion of the tank bottom, wherein the electric heating pipe and the temperature sensor are electrically connected to the controller.
5. The biogas fermentation tank of claim 1, further comprising a gas storage assembly, disposed outside the fermentation tank body, comprising a gas storage tank; and one end of the air storage pipe is communicated with the air storage tank, the other end of the air storage pipe is communicated with the air outlet pipe through a three-way one-way valve, and the three-way one-way valve is electrically connected with the controller.
6. The biogas fermentation tank of claim 1, wherein the feeding channel is hinged with a feeding port sealing door, the discharging port is hinged with a discharging port sealing door, the tank cover below the feeding channel is provided with a vent, and a vent valve is arranged on the tank cover.
CN201711272469.0A 2017-12-06 2017-12-06 Biogas fermentation tank Active CN107858272B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711272469.0A CN107858272B (en) 2017-12-06 2017-12-06 Biogas fermentation tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711272469.0A CN107858272B (en) 2017-12-06 2017-12-06 Biogas fermentation tank

Publications (2)

Publication Number Publication Date
CN107858272A CN107858272A (en) 2018-03-30
CN107858272B true CN107858272B (en) 2021-10-15

Family

ID=61705071

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711272469.0A Active CN107858272B (en) 2017-12-06 2017-12-06 Biogas fermentation tank

Country Status (1)

Country Link
CN (1) CN107858272B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108220136B (en) * 2018-04-16 2019-06-11 杭州赫贝科技有限公司 A kind of agitating type biogas fermentor
CN108485955A (en) * 2018-06-12 2018-09-04 赤峰中元晟华生物燃气项目建设有限责任公司 A kind of biogas engineering homogeneous agitator tank
CN112175801A (en) * 2019-07-01 2021-01-05 北京创臻环境技术有限公司 Uniform gas supply and heat circulation system
CN113373027B (en) * 2021-07-07 2024-01-30 农业农村部规划设计研究院 External rotation continuous anaerobic dry fermentation equipment and fermentation method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009020598A1 (en) * 2009-05-08 2010-11-11 Natcon7 Gmbh Operating a biogas plant having a fermentation tank, which is led for maintaining a continuous fermentation process of moving fresh substrate such as slurry, comprises making a first quantity by mixing liquid substrate
CN202022915U (en) * 2011-02-17 2011-11-02 余兆丰 Fermentation tank special for microorganism duplex cultivation
CN205008380U (en) * 2015-09-30 2016-02-03 南京中医药大学 Continuous type anaerobic pyrolysis and carbonization machine
CN107287098A (en) * 2017-05-27 2017-10-24 郑卓 The fermentation tank that a kind of inside stirs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009020598A1 (en) * 2009-05-08 2010-11-11 Natcon7 Gmbh Operating a biogas plant having a fermentation tank, which is led for maintaining a continuous fermentation process of moving fresh substrate such as slurry, comprises making a first quantity by mixing liquid substrate
CN202022915U (en) * 2011-02-17 2011-11-02 余兆丰 Fermentation tank special for microorganism duplex cultivation
CN205008380U (en) * 2015-09-30 2016-02-03 南京中医药大学 Continuous type anaerobic pyrolysis and carbonization machine
CN107287098A (en) * 2017-05-27 2017-10-24 郑卓 The fermentation tank that a kind of inside stirs

Also Published As

Publication number Publication date
CN107858272A (en) 2018-03-30

Similar Documents

Publication Publication Date Title
CN107858272B (en) Biogas fermentation tank
US10676407B2 (en) Inclined reactor of bottom gas-inlet type for aerobic fermentation and method for aerobic fermentation
CN107827508B (en) Organic fertilizer fermentation device
CN102839119B (en) Solid state fermentation cylinder and solid state fermentation method
CN203923189U (en) A kind of solid-state fermentation tank
CN202124625U (en) Multifunctional biological solid fermentation tank
CN101955883A (en) Multifunctional biological solid fermentation tank
CN205382099U (en) Fermentation cylinder is inflated to large -scale heating from rotating intermediate layer
CN100402473C (en) Organic waste pretreatment device of permanent base at space
CN210419798U (en) Organic fertilizer fermentation device convenient to operate
CN107935653A (en) A kind of organic liquid fertilizer zymotechnique and fermentation system
CN108359588B (en) Photosynthetic culture fermentation tank
CN214167914U (en) Fermentation tank for biological new energy
CN107916221B (en) Anaerobic fermentation device
CN111454087B (en) Air bag type composting device utilizing solar energy to raise temperature and composting method thereof
CN105624033A (en) Organic refuse dry anaerobic digestion device
CN211035643U (en) Stable and rapid anaerobic fermentation device for breeding manure
CN113174314B (en) Straw and excrement mixed anaerobic fermentation reactor and biogas fermentation process thereof
CN201873685U (en) Multifunctional biological solid fermentation tank
CN111944666B (en) Heat energy collecting and circulating energy supply device and method in straw biomass fermentation process
CN107488578A (en) The simultaneous saccharification and fermentation production hydrogen reactor and its experimental method recycled equipped with enzyme
CN209797970U (en) dark fermentation anaerobic hydrogen production reactor
CN204689992U (en) A kind of anti-crusting marsh gas tank
CN210237605U (en) Energy-saving fermentation tank
CN204211745U (en) A kind of microbial culture liquid fermentor tank of highly effective

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20210909

Address after: No.755, Liyuan North Road, Haishu District, Ningbo City, Zhejiang Province

Applicant after: Ren Dong

Address before: No.28 Xuegong street, Lianzhou Town, Hepu County, Beihai City, Guangxi Zhuang Autonomous Region 536100

Applicant before: Liang Yanyan

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant