CN108179103A - A kind of bicyclic two-phase integrated anaerobic reactor of nesting - Google Patents
A kind of bicyclic two-phase integrated anaerobic reactor of nesting Download PDFInfo
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- CN108179103A CN108179103A CN201810052413.2A CN201810052413A CN108179103A CN 108179103 A CN108179103 A CN 108179103A CN 201810052413 A CN201810052413 A CN 201810052413A CN 108179103 A CN108179103 A CN 108179103A
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- 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
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- C12M23/02—Form or structure of the vessel
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Abstract
The present invention relates to a kind of bicyclic two-phase integrated anaerobic reactor of nesting, which includes the anaerobic digestor using internal and external double-circular nesting type structure, and the inner ring of anaerobic digestor is as hydrolysis acidification phase, and outer shroud is as methanogenic phase.The bicyclic two-phase integrated anaerobic reactor of nesting of one kind of the present invention, by using the anaerobic digestor with internal and external double-circular nesting type structure, for inner ring as hydrolysis acidification phase, outer shroud is methanogenic phase, realizes same inside reactor split-phase, alleviate anaerobic digestion of kitchen wastes influence of the volatilization acid accumulation for system stability in the process, system stability is improved, improves organic loading and volume gas producing efficiency, it is compact-sized, reactor floor space is saved, while improves operational efficiency.The bicyclic two-phase integrated anaerobic reactor of nesting of one kind of the present invention, structure is relatively easy, and operation and maintenance are convenient, high degree of automation, can be widely applied to the two-phase anaerobic digestion processing of kitchen garbage.
Description
Technical field
The invention belongs to biomass garbage processing technology field more particularly to a kind of bicyclic two-phase integrated anaerobism of nesting are anti-
Answer device.
Background technology
Anaerobic digestion techniques can realize harmless treatment and the recycling of biomass garbage, it is considered to be application is most
Extensive and most promising biomass garbage treatment technology.High organic loading, environmental condition fluctuation, inhibitory substance etc. have can
Anaerobic system can be caused to be acidified, the main reason is that generation and the unbalanced depletion of volatile fatty acid (VFA)：Acidogenic bactria generation
Short for the time, growth rate is fast, can largely generate organic acid, and methanogen generation time is long, and multiplication rate is slow, and consumption has
Machine acid ability is limited.When the acid of generation can not be converted into methane by methanogen by environmental factor fluctuation, it just will appear and wave
Turn sour accumulation the phenomenon that.And high concentration volatile acid has methanogen stronger inhibiting effect, and pH value can be caused to decline, to production
Methane backeria causes more serious inhibition, aggravates acid accumulation, so as to form vicious circle, eventually leads to system crash.
Kitchen garbage increases sharply as typical biomass garbage a kind of in domestic waste, yield, needs to apply
Anaerobic digestion techniques are handled.But anaerobic digestion of kitchen wastes easily leads to the accumulation of volatile fatty acid, leads to methane phase
Bacterium activity is suppressed, and system is difficult to stable and high effective operation；The accumulation of even a large amount of volatile acids can lead to pH value rapid decrease, finally
Lead to system crash.
To solve the problems, such as acid accumulation and sour inhibition, there is more researcher to propose two-phase anaerobic digestion technique, i.e., by dividing
From production acid phase and methanogenic phase, the most suitable growth environment is provided respectively for two quasi-microorganism floras, so as to improve detesting for whole system
Oxygen digestive efficiency.In general, two-phase anaerobic digestion technique has more superior micro- life than traditional homogenous anaerobic digestion process
Object is metabolized and growth conditions, processing capacity and gas deliverability are all accordingly improved.But existing two-phase anaerobic reactor
There are anaerobic reactors to take up a large area, and service life is short, high energy consumption, and cost of investment is high, and system operatio is more complicated with safeguarding, can
It is poor by property, the shortcomings such as gas producing efficiency is low.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of bicyclic two-phase integrated anaerobic reactor of nesting, will produce
It is sour to be mutually integrated in same reactor with two kinds of different reactors of methanogenic phase, the split-phase of same inside reactor is realized, is made
Production acid with methanogen floras can have suitable metabolism and growth conditions, have it is compact-sized, floor space is small, organic loading
High, the advantages that volume gas producing efficiency is high.
To achieve the above object, the present invention takes following technical scheme：A kind of bicyclic two-phase integrated anaerobic reaction of nesting
Device, which is characterized in that the reactor includes the anaerobic digestor using internal and external double-circular nesting type structure, the anaerobic digestor
Inner ring is as hydrolysis acidification phase, and the outer shroud of the anaerobic digestor is as methanogenic phase.
The anaerobic digestor includes tank body, is fixed in the tank body and the tank body is separated into the inner ring
Inner and outer ring demarcation strip with outer shroud, heating coil and stirring system on the tank skin being arranged in the tank body；The tank body
Lower part and top inlet port and outlet port are set respectively, the feed inlet is connected with the inner ring, the discharge port and institute
Outer shroud is stated to be connected；The top and bottom of the tank body set collecting methane mouth and evacuation port respectively；The stirring system includes
It is arranged on central shaft type blender at the top of the tank body and is arranged on the diving mixer of the tank interior.
It is additionally provided with the probe tube of multiple and different length at the top of the tank body, the lower end of the probe tube is immersed in described
Liquid level in tank body is hereinafter, set pH value measuring device and temperature measuring equipment in the probe tube.
Observation panel is additionally provided at the top of the tank body.
The outer shroud and the diameter ratio of the inner ring are 2.5:1, the design residence time of the inner ring is 4 days, described outer
The design residence time of ring is 21 days；Temperature is maintained at 35 DEG C~39 DEG C in the anaerobic digestor.
It further includes for temporarily storing the feed tank of charging kitchen garbage, for kitchen garbage to be pumped into the anaerobic digestion
The feed pump of tank, for keep in the biogas residue and biogas liquid to discharge after anaerobic digestion biogas residue-biogas liquid pool, be connected with the heating coil
Heating water tank and electric control cabinet；The feed tank is connected with the feed inlet of the anaerobic digestor；The biogas residue natural pond
Liquid pool is connected with the discharge port of the anaerobic digestor；The electric control cabinet is to the anaerobic digestor, feed tank, charging
Pump, heating water tank carry out automatically controlling.
Further include pedestal, the anaerobic digestor, feed tank, feed pump, biogas residue-biogas liquid pool, heating water tank and electrical control
Cabinet centralized arrangement is on the pedestal.
Further include operating platform and climbing handrail.
The present invention has the following advantages due to taking above technical scheme：1st, the bicyclic nested two-phase of one kind of the invention
Integral anaerobic reactor, by using the anaerobic digestor with internal and external double-circular nesting type structure, inner ring is as hydrolysis acidification
Phase, outer shroud are methanogenic phase, realize same inside reactor split-phase, alleviate volatile acid during anaerobic digestion of kitchen wastes
The influence for system stability is accumulated, system stability is improved, improves organic loading and volume gas producing efficiency, structure are tight
It gathers, saves reactor floor space, while improve operational efficiency.2nd, the bicyclic two-phase integrated anaerobism of nesting of one kind of the invention
Reactor, structure is relatively easy, and operation and maintenance are convenient, and high degree of automation, the two-phase that can be widely applied to kitchen garbage is detested
Oxygen digestion process.
Description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the vertical view of the present invention；
Fig. 3 is the structure diagram of anaerobic digestor of the present invention.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As depicted in figs. 1 and 2, the bicyclic two-phase integrated anaerobic reactor of nesting of one kind provided by the invention, including detesting
Oxygen digester 1, feed tank 2, feed pump 3, biogas residue-biogas liquid pool 4, heating water tank 5 and electrical control cabinet 6.Wherein, anaerobic digestor 1
Using internal and external double-circular nesting type structure, for inner ring as hydrolysis acidification phase, outer shroud is methanogenic phase；Feed tank 2 is for temporarily storage
Feed kitchen garbage；For feed pump 3 for that will be pumped into anaerobic digestor 1 by pretreated kitchen garbage, feed pump 3 is spiral shell
Bar pumps；Biogas residue-biogas liquid pool 4 is used to keep in the biogas residue and biogas liquid to discharge after anaerobic digestion；Heating water tank 5 is used for heat hot water, passes through heat
The cycle of water realizes that 1 inside of anaerobic digestor is heated；Electrical control cabinet 6 by PLC program, to reactor, realize automatically by each component
Control greatly reduces the difficulty of reactor operation, control.
In above-described embodiment, pedestal 7 made of iron, anaerobic digestor 1, feed tank 2, feed pump 3, biogas residue-biogas liquid pool are further included
4th, heating water tank 5 and 6 centralized arrangement of electrical control cabinet realize integrated, the standardization of equipment on pedestal 7.
In above-described embodiment, operating platform 8 and climbing handrail are additionally provided with, facilitates observation and overhaul of the equipments.
In above-described embodiment, as shown in figure 3, anaerobic digestor 1 includes tank body 11, inner and outer ring demarcation strip 12, heating coil
13rd, feed inlet 14, discharge port 15, collecting methane mouth 16, evacuation port 17 and stirring system 18；Inner and outer ring demarcation strip 12 is fixedly installed
Inner ring 111 and outer shroud 112 are separated into tank body 11, and by tank body 11, inside and outside 111 are used as hydrolysis acidification phase, and outer shroud 112 is production
Methane phase；Heating coil 13 is arranged on the tank skin in tank body 11, and is connected with heating water tank 5；Feed inlet 14 and discharge port
15 are separately positioned on the lower part and top of tank body 11, and feed inlet 14 is connected with inner ring 111, discharge port 15 and 112 phase of outer shroud
Connection；Collecting methane mouth 16 is arranged on the top of tank body 11；Evacuation port 17 is arranged on the bottom of tank body 11, for emptying and clearly
Slag；Stirring system 18 includes being arranged on traditional central shaft type blender 181 at 11 top of tank body and be arranged on inside tank body 11
Diving mixer 182, central shaft type blender 181 is used for the stirring of inner ring 111, and diving mixer 182 is for outer shroud 112
Plug-flow stirs.
In above-described embodiment, the top of tank body 11 is additionally provided with the probe tube 19 of different length, inner ring 111 and outer shroud 112
At each three, the lower end of probe tube 19 is immersed in below the liquid level in tank body 11；PH meter and thermometer are placed in probe tube 19, is used for
Monitor the pH value and temperature in anaerobic reaction-pot 1.
In above-described embodiment, the top of tank body 11 is additionally provided with observation panel 113.
In above-described embodiment, the diameter ratio of outer shroud 112 and inner ring 111 is 2.5:1, the design residence time of inner ring 111 is 4
My god, the design residence time of outer shroud 112 is 21 days；Temperature is maintained at 35 DEG C~39 DEG C in anaerobic digestor 1.
In above-described embodiment, the tank body 11 of anaerobic reactor 1 is whole to be made of 316 stainless steel materials, is had preferable
Corrosion-resistant, high temperature resistance resists external damage and keeps beautiful；The tank skin internal layer of tank body 11 is additionally provided with thermal insulation material, uses
It scatters and disappears in reducing heat, to keep constant temperature in tank body 11.
The bicyclic two-phase integrated anaerobic reactor of nesting of one kind of the present invention when in use, feeds kitchen garbage and passes through first
Self- lift is poured into feed tank 2, is then pumped into the inner ring 111 of anaerobic digestor 1 by feed pump 3；Heating water tank 5 with
Heating coil 13 in anaerobic digestor 1 is connected, and realizes that 1 inside of anaerobic digestor is heated by the cycle of hot water；111 object of inner ring
Material is entered in outer shroud 112 by the 12 top overflow of inner and outer ring demarcation strip by the hydrolysis acidification of 4-5 days, continues to produce first
Alkane reacts；It is reacted by the methane phase in more than 20 days, discharging mixed liquor the going out by 11 top of tank body utilized by abundant anaerobic digestion
It is temporary that material mouth 15 is expelled to biogas residue-biogas liquid pool 4.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, installation position and its connection mode etc.
It can all be varied from, every equivalents carried out on the basis of technical solution of the present invention and improvement should not arrange
In addition in protection scope of the present invention.
Claims (10)
1. a kind of bicyclic two-phase integrated anaerobic reactor of nesting, which is characterized in that the reactor includes embedding using internal and external double-circular
The anaerobic digestor of nested structure, the inner ring of the anaerobic digestor is as hydrolysis acidification phase, the outer shroud of the anaerobic digestor
As methanogenic phase.
2. a kind of bicyclic two-phase integrated anaerobic reactor of nesting as described in claim 1, which is characterized in that the anaerobism disappears
Change the inner and outer ring separation that tank includes tank body, is fixed in the tank body and the tank body is separated into the inner ring and outer rings
Plate, heating coil and stirring system on the tank skin being arranged in the tank body；The lower part and top of the tank body are set respectively
Inlet port and outlet port are put, the feed inlet is connected with the inner ring, and the discharge port is connected with the outer shroud；The tank
The top and bottom of body set collecting methane mouth and evacuation port respectively；The stirring system includes being arranged at the top of the tank body
Central shaft type blender and the diving mixer for being arranged on the tank interior.
3. a kind of bicyclic two-phase integrated anaerobic reactor of nesting as claimed in claim 2, which is characterized in that the tank body
Top is additionally provided with the probe tube of multiple and different length, the lower end of the probe tube be immersed in the liquid level in the tank body hereinafter,
Setting pH value measuring device and temperature measuring equipment in the probe tube.
A kind of 4. bicyclic two-phase integrated anaerobic reactor of nesting as claimed in claim 2 or claim 3, which is characterized in that the tank
Observation panel is additionally provided at the top of body.
5. the bicyclic two-phase integrated anaerobic reactor of nesting of one kind as described in claims 1 or 2 or 3, which is characterized in that described
Outer shroud and the diameter ratio of the inner ring are 2.5:1, the design residence time of the inner ring is 4 days, and the design of the outer shroud stops
Time is 21 days；Temperature is maintained at 35 DEG C~39 DEG C in the anaerobic digestor.
6. the as claimed in claim 4 a kind of bicyclic two-phase integrated anaerobic reactor of nesting, which is characterized in that the outer shroud and
The diameter ratio of the inner ring is 2.5:1, design residence time of the inner ring is 4 days, and the design residence time of the outer shroud is
21 days；Temperature is maintained at 35 DEG C~39 DEG C in the anaerobic digestor.
7. Claims 2 or 3 or or the bicyclic two-phase integrated anaerobic reactor of nesting of one kind as described in 6, which is characterized in that and also
Feed tank including being used to temporarily store charging kitchen garbage, the charging for kitchen garbage to be pumped into the anaerobic digestor
Pump, the biogas residue-biogas liquid pool for keeping in the biogas residue and biogas liquid to discharge after anaerobic digestion, the heating water that is connected with the heating coil
Case and electric control cabinet；The feed tank is connected with the feed inlet of the anaerobic digestor；The biogas residue-biogas liquid pool and institute
The discharge port for stating anaerobic digestor is connected；The electric control cabinet is to the anaerobic digestor, feed tank, feed pump, heating
Water tank carries out automatically controlling.
8. a kind of bicyclic two-phase integrated anaerobic reactor of nesting as claimed in claim 5, which is characterized in that further include and be used for
Temporarily storage charging kitchen garbage feed tank, for kitchen garbage is pumped into the anaerobic digestor feed pump, for temporary
Deposit biogas residue-biogas liquid pool, the heating water tank being connected with the heating coil and the electric appliance of the biogas residue and biogas liquid to discharge after anaerobic digestion
Switch board；The feed tank is connected with the feed inlet of the anaerobic digestor；The biogas residue-biogas liquid pool and the anaerobic digestion
The discharge port of tank is connected；The electric control cabinet carries out certainly the anaerobic digestor, feed tank, feed pump, heating water tank
Dynamic control.
9. a kind of bicyclic two-phase integrated anaerobic reactor of nesting as claimed in claim 7, which is characterized in that further include bottom
Seat, the anaerobic digestor, feed tank, feed pump, biogas residue-biogas liquid pool, heating water tank and electrical control cabinet centralized arrangement are described
On pedestal.
10. a kind of bicyclic two-phase integrated anaerobic reactor of nesting as claimed in claim 7, which is characterized in that further include behaviour
Make platform and climbing handrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810052413.2A CN108179103A (en) | 2018-01-19 | 2018-01-19 | A kind of bicyclic two-phase integrated anaerobic reactor of nesting |
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| CN201810052413.2A CN108179103A (en) | 2018-01-19 | 2018-01-19 | A kind of bicyclic two-phase integrated anaerobic reactor of nesting |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109517730A (en) * | 2018-12-29 | 2019-03-26 | 启迪桑德环境资源股份有限公司 | A kind of half dry type diphasic anaerobic fermentor |
| CN111320276A (en) * | 2020-04-10 | 2020-06-23 | 河南省力华全环保科技有限公司 | High-concentration organic wastewater and nitrogen and phosphorus removal intelligent treatment system and treatment method thereof |
| CN112226337A (en) * | 2020-09-01 | 2021-01-15 | 北控十方(山东)环保能源集团有限公司 | Double-ring anaerobic reaction tank for treating kitchen and kitchen garbage |
| CN112680326A (en) * | 2021-01-29 | 2021-04-20 | 同济大学 | Method and system for improving yield and purity of anaerobic methane of organic solid waste |
| CN114956322A (en) * | 2022-06-13 | 2022-08-30 | 上海环境工程设计研究院有限公司 | Efficient wet anaerobic reactor for treating kitchen waste slurry and control method thereof |
| CN116731820A (en) * | 2023-06-08 | 2023-09-12 | 中国铁工投资建设集团有限公司 | Organic solid waste loop-ring two-phase anaerobic fermentation system and fermentation device |
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| CN116731820A (en) * | 2023-06-08 | 2023-09-12 | 中国铁工投资建设集团有限公司 | Organic solid waste loop-ring two-phase anaerobic fermentation system and fermentation device |
| CN116731820B (en) * | 2023-06-08 | 2024-02-09 | 中国铁工投资建设集团有限公司 | Organic solid waste loop-ring two-phase anaerobic fermentation system and fermentation device |
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